10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

☒      ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

For the fiscal year ended December 31, 2020

☐         TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from            to

Commission file number 001-36157

ESSENT GROUP LTD.

(Exact name of registrant as specified in its charter)

Bermuda	Not Applicable
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

Clarendon House

2 Church Street

Hamilton HM11, Bermuda

(Address of principal executive offices and zip code)

(441) 297-9901

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares, $0.015 par value	ESNT	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒    No ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐    No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒    No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232-405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files.) Yes ☒    No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

    If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.                                            ☐ 

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of

the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C.

7262(b)) by the registered public accounting firm that prepared or issued its audit report.             ☒ 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐    No ☒

As of June 30, 2020, the last business day of the registrant's most recently completed second fiscal quarter, the aggregate market value of common shares held by non-affiliates of the registrant was approximately $3,976,558,799 (based upon the last reported sales price on The New York Stock Exchange on such date).

The number of the registrant's common shares outstanding as of February 19, 2021 was 112,840,615.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant's proxy statement for the 2021 Annual General Meeting of Shareholders are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Such Proxy Statement will be filed with the Securities and Exchange Commission within 120 days of the registrant's fiscal year ended December 31, 2020.

TABLE OF CONTENTS

		Page
	PART I
ITEM 1.	BUSINESS	1
ITEM 1A.	RISK FACTORS	29
ITEM 1B.	UNRESOLVED STAFF COMMENTS	51
ITEM 2.	PROPERTIES	51
ITEM 3.	LEGAL PROCEEDINGS	51
ITEM 4.	MINE SAFETY DISCLOSURES	51
	PART II
ITEM 5.	MARKET FOR THE COMPANY'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES	52
ITEM 6.	SELECTED FINANCIAL DATA	53
ITEM 7.	MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	55
ITEM 7A.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	79
ITEM 8.	FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA	80
ITEM 9.	CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE	122
ITEM 9A.	CONTROLS AND PROCEDURES	122
ITEM 9B.	OTHER INFORMATION	122
	PART III
ITEM 10.	DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE	123
ITEM 11.	EXECUTIVE COMPENSATION	123
ITEM 12.	SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS	123
ITEM 13.	CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE	123
ITEM 14.	PRINCIPAL ACCOUNTING FEES AND SERVICES	124
	PART IV
ITEM 15.	EXHIBITS, FINANCIAL STATEMENT SCHEDULES	124
ITEM 16.	FORM 10-K SUMMARY	125
SIGNATURES		126

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K, or Annual Report, includes forward-looking statements pursuant to the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements relate to expectations, beliefs, projections, future plans and strategies, anticipated events or trends and similar expressions concerning matters that are not historical facts or present facts or conditions, such as statements regarding our future financial condition or results of operations, our prospects and strategies for future growth, the introduction of new products and services, and the implementation of our marketing and branding strategies. In many cases, you can identify forward-looking statements by terms such as "may," "will," "should," "expects," "plans," "anticipates," "believes," "estimates," "predicts," "potential" or the negative of these terms or other comparable terminology.

The forward-looking statements contained in this Annual Report reflect our views as of the date of this Annual Report about future events and are subject to risks, uncertainties, assumptions and changes in circumstances that may cause events or our actual activities or results to differ significantly from those expressed in any forward-looking statement. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future events, results, actions, levels of activity, performance or achievements. A number of important factors could cause actual results to differ materially from those indicated by the forward-looking statements, including, but not limited to, those factors described in Part I, Item 1A "Risk Factors" and in Part II, Item 7 "Management's Discussion and Analysis of Financial Condition and Results of Operations."

Readers are urged to consider these factors carefully in evaluating the forward-looking statements and are cautioned not to place undue reliance on these forward-looking statements. All of the forward-looking statements we have included in this Annual Report are based on information available to us on the date of this Annual Report. We undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as otherwise required by law.

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RISK FACTOR SUMMARY

Investing in our securities involves a high degree of risk and uncertainties. Below is a summary of the material risk factors associated with an investment in our securities. You should read this summary together with the more detailed description of each risk factor that immediately follows this summary. However, the risk factors described herein are not all of the risks we may face. Other risks not presently known to us or that we currently believe are immaterial may materially affect our business if they occur. Moreover, new risks emerge from time to time. Further, our business may also be affected by additional factors that apply to all companies operating in the U.S. and globally, which have not been included. In addition to this summary and the more detailed description of the risk factors, you should carefully consider other sections of this annual report on Form 10-K, which may include additional factors that could adversely affect our business, prior to investing in our securities.

Risks Related to the COVID-19 Pandemic

•The extent to which the COVID-19 pandemic continues to materially adversely affect our business, results of operations, financial condition and liquidity will depend on numerous evolving factors and future developments that we are not able to predict.

Risks Related to the Operation of Our Business

•Competition. Intense competition among private mortgage insurers could result in competitors reducing pricing, loosening their underwriting guidelines or relaxing their risk management practices, which could, in turn, improve their competitive position in the industry and negatively impact our level of NIW.

•Importance of Significant Customers. Maintaining our business relationships and business volumes with our largest lending customers remains critical to the success of our business.

•Alternatives to Private Mortgage Insurance. The use of alternatives to private mortgage insurance, including government-supported mortgage insurance programs as well as home purchase or refinancing alternatives that do not use any form of mortgage insurance, could reduce or eliminate the demand for our product.

•Reduction in Volume of Low Down Payment Mortgage Originations. Changes in interest rates, alternatives to private mortgage insurance, and changes in tax laws relating to the deductibility of mortgage interest, among other factors, could negatively impact the origination volume of low down payment mortgages requiring private mortgage insurance.

•Claims and Loss Reserve Estimates. An increase in the number or size of claims, compared to what we anticipate, could adversely affect our results of operations or financial conditions. We establish reserves using estimated claim rates and claim amounts in estimating the ultimate loss. Because our reserving method does not account for the impact of future losses that could occur from loans that are not yet delinquent, our obligation for ultimate losses that we expect to occur under our policies in force at any period end is generally not reflected in our financial statements.

•Deteriorating Economic Conditions. A deterioration in macroeconomic conditions generally increases the likelihood that borrowers will lack sufficient income to pay their mortgages and otherwise likely negatively affects the value of homes, increasing the risk to us of a claim from a mortgage default.

•Inadequate Premium Levels. Our mortgage insurance premium rates may not be adequate to cover future losses.

•Investment Portfolio. Changing market conditions could materially impact the future valuation of securities in our investment portfolio.

•Financial Strength Ratings. A downgrade in our financial strength ratings could adversely affect us in many ways, including requiring us to reduce our premiums in order to remain competitive, impacting our ability to obtain reinsurance, and limiting our access to the capital markets.

•IT and Cybersecurity. If our information technology systems were to fail or become outmoded, we may experience a significant disruption in our operations. Breaches in our information technology security could result in the loss or misuse of this information, which could, in turn, result in potential regulatory actions or litigation,

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•Reinsurance. Due to market conditions or otherwise, reinsurance may not be available to us in amounts that we consider to be sufficient or at rates that we consider to be acceptable.

Risks Related to Regulation and Litigation

•GSE Reform. Legislative or regulatory actions or decisions to change the role of the GSEs in the U.S. housing market generally, or changes to the charters of the GSEs with regard to the use of credit enhancements generally and private mortgage insurance specifically, could reduce our revenues or adversely affect our profitability and returns.

•GSE Eligibility. Changes in the business practices of the GSEs, including actions or decisions to decrease or discontinue the use of mortgage insurance or changes in the GSEs' eligibility requirements for mortgage insurers, could reduce our revenues or adversely affect our profitability and returns.

•QM and QRM Rules. Changes in the definitions of "Qualified Mortgage" or "Qualified Residential Mortgage" could reduce the size of the mortgage origination market or create incentives to use government mortgage insurance programs over, or other alternatives to, private mortgage insurance.

•Basel III. Implementation of the Basel III Capital Accord may discourage the use of private mortgage insurance.

•Regulation. Our insurance and reinsurance subsidiaries are subject to broad government regulation in each of the jurisdictions in which they are licensed or authorized to do business, including regarding trade and claim practices, accounting methods, premium rates, marketing practices, advertising, policy forms, and capital adequacy.

•Litigation. The mortgage insurance industry faces litigation risk in the ordinary course of operations, including the risk of class action lawsuits and administrative enforcement by Federal and state agencies.

Risks Related to Taxes and Our Corporate Structure

•Foreign Operations. We and our non-U.S. subsidiaries may become subject to U.S. Federal income and branch profits taxation.

•Tax-Related Matters. Holders of 10% or more of our common shares may be subject to U.S. income taxation under the "controlled foreign corporation" rules. U.S. Persons who hold our shares may be subject to U.S. income taxation at ordinary income rates on their proportionate share of our "related party insurance income". U.S. Persons who dispose of our shares may be subject to U.S. Federal income taxation at the rates applicable to dividends on a portion of such disposition. U.S. Persons who hold our shares will be subject to adverse tax consequences if we are considered to be a "passive foreign investment company" ("PFIC"). U.S. tax-exempt organizations who own our shares may recognize unrelated business taxable income. Proposed U.S. tax legislation could have an adverse impact on us or holders of our common shares.

•Bermuda Holding Company. As a Bermuda exempted company, the rights of holders of our common shares are governed by our memorandum of association and bye-laws and Bermuda law, which may differ from the rights of shareholders of companies incorporated in other jurisdictions. We have the option, but not the obligation, under our bye-laws and subject to Bermuda law to require a shareholder to sell to us at fair market value the minimum number of common shares which is necessary to avoid or cure any adverse tax consequences or materially adverse legal or regulatory treatment to us as reasonably determined by our board. There are regulatory limitations on the ownership and transfer of our common shares imposed by the Bermuda Monetary Authority and the Pennsylvania Insurance Department. U.S. persons who own our shares may have more difficulty in protecting their interests than U.S. persons who are shareholders of a U.S. corporation.

•Dividend Restrictions. Dividend income to Essent Group Ltd. from its insurance subsidiaries may be restricted by applicable state and Bermuda insurance laws.

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Unless the context otherwise indicates or requires, the terms "we," "our," "us," "Essent," and the "Company," as used in this Annual Report, refer to Essent Group Ltd. and its directly and indirectly owned subsidiaries, including our primary operating subsidiaries, Essent Guaranty, Inc. and Essent Reinsurance Ltd., as a combined entity, except where otherwise stated or where it is clear that the terms mean only Essent Group Ltd. exclusive of its subsidiaries.

PART I

ITEM 1.    BUSINESS

Overview

We are an established and growing private mortgage insurance company. Private mortgage insurance plays a critical role in the U.S. housing finance system. Essent and other private mortgage insurers provide credit protection to lenders and mortgage investors by covering a portion of the unpaid principal balance of a mortgage and certain related expenses in the event of a default. In doing so, we provide private capital to mitigate mortgage credit risk, allowing lenders to make additional mortgage financing available to prospective homeowners.

Private mortgage insurance helps extend affordable home ownership by facilitating the sale of low down payment loans into the secondary market. The GSEs, which are U.S. Federal government-sponsored enterprises, purchase residential mortgages from banks and other lenders and guaranty mortgage-backed securities that are offered to investors in the secondary mortgage market. The GSEs are restricted by their charters from purchasing or guaranteeing low down payment loans, defined as loans with less than a 20% down payment, that are not covered by certain credit protections. Private mortgage insurance satisfies the GSEs' credit protection requirements for low down payment loans, supporting a robust secondary mortgage market in the United States.

Our primary U.S. mortgage insurance subsidiary, Essent Guaranty, Inc., which we refer to as "Essent Guaranty," received its certificate of authority from the Pennsylvania Insurance Department in July 2009. We subsequently acquired our mortgage insurance platform from a former private mortgage insurance industry participant and, in 2010, became the first private mortgage insurer to be approved since 1995 by Fannie Mae and Freddie Mac, which we refer to collectively as the GSEs. We are licensed to write coverage in all 50 states and the District of Columbia.

For the years ended December 31, 2020, 2019 and 2018, we generated new insurance written, or NIW, of approximately $107.9 billion, $63.6 billion and $47.5 billion, respectively. As of December 31, 2020, we had approximately $198.9 billion of insurance in force. Our top ten customers represented approximately 35.8%, 42.8% and 43.5% of our NIW on a flow basis for the years ended December 31, 2020, 2019 and 2018, respectively. The financial strength ratings of Essent Guaranty are A3 with a stable outlook by Moody's Investors Service ("Moody's"), BBB+ with a negative outlook by S&P Global Ratings ("S&P") and A (Excellent) with a stable outlook by A.M. Best.

We also offer mortgage-related insurance and reinsurance through our wholly-owned Bermuda-based subsidiary, Essent Reinsurance Ltd., which we refer to as "Essent Re." As of December 31, 2020, Essent Re provided insurance or reinsurance relating to GSE risk share and other reinsurance transactions covering approximately $1.4 billion of risk. Essent Re also reinsures 25% of Essent Guaranty, Inc.'s NIW under a quota share reinsurance agreement. The financial strength ratings of Essent Re are BBB+ with a negative outlook by S&P and A (Excellent) with a stable outlook by A.M. Best.

Our holding company is domiciled in Bermuda and our U.S. insurance business is headquartered in Radnor, Pennsylvania. We operate additional underwriting and service centers in Winston-Salem, North Carolina and Irvine, California. We have a highly experienced, talented team of 381 employees as of December 31, 2020.

The COVID-19 pandemic had a material impact on our 2020 financial results. While uncertain, the future impact of the COVID-19 pandemic on our business, results of operations, financial condition and liquidity may also be material. Under forbearance plans announced by the GSEs and implemented by their servicers, eligible homeowners who are adversely impacted by COVID-19 are permitted to temporarily reduce or suspend their mortgage payments for up to 12 months. Over 90% of mortgage loans insured by us are federally backed by the GSEs. Because a mortgage loan in forbearance is considered delinquent, we will provide loss reserves as loans in forbearance are reported to us as delinquent once the borrower has missed two consecutive payments. However, we believe providing borrowers time to recover from the adverse financial impact of the COVID-19 event may allow some families to be able to remain in their homes and avoid foreclosure. For borrowers that have the ability to begin to pay their mortgage at the end of the forbearance period, we expect that mortgage servicers will work with them to modify their loans at which time the mortgage will be removed from delinquency status.

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The COVID-19 pandemic also had a significant impact on our human capital management in 2020. A majority of our workforce worked remotely beginning in the first quarter. We reopened several of our office locations in September 2020 on a fully volunteer basis to provide our employees an in office option. We support a healthy work environment by implementing new Health Safety policies and practices including temperature scanning, face masks requirements, staggered shifts, upgraded cleaning practices, social distancing requirements and contact tracing. We did not furlough or conduct any employee layoffs due to the pandemic during the year.

For more information on how COVID-19 has, and may continue to, impact us, our employees and our results of operations, see "—Human Capital Management", "Risk Factors—Risks Related to the COVID-19 Pandemic", and "Management's Discussion and Analysis of Financial Condition and Results of Operations—Overview—COVID-19".

Our Industry

U.S. Mortgage Market

The U.S. residential mortgage market is one of the largest in the world, with over $11.5 trillion of debt outstanding as of September 30, 2020, and includes a range of private and government-sponsored participants. Private industry participants include mortgage banks, mortgage brokers, commercial, regional and investment banks, savings institutions, credit unions, REITs, mortgage insurers and other financial institutions. Public participants include government agencies such as the Federal Housing Administration, or FHA, the Veterans Administration, or VA, the U.S. Department of Agriculture Rural Development program and the Government National Mortgage Association, or Ginnie Mae, as well as government-sponsored enterprises such as Fannie Mae and Freddie Mac. The overall U.S. residential mortgage market encompasses both primary and secondary markets. The primary market consists of lenders originating home loans to borrowers, and includes loans made to support home purchases, which are referred to as purchase originations, and loans made to refinance existing mortgages, which are referred to as refinancing originations. The secondary market includes institutions buying and selling mortgages in the form of whole loans or securitized assets, such as mortgage-backed securities.

GSEs

The GSEs are the largest participants in the secondary mortgage market, buying residential mortgages from banks and other primary lenders as part of their government mandate to provide liquidity and stability in the U.S. housing finance system. According to the Federal Reserve, the GSEs held or guaranteed approximately $5.3 trillion, or 45.8%, of total U.S. residential mortgage debt outstanding as of September 30, 2020. Their charters generally prohibit the GSEs from purchasing a low down payment loan unless that loan is insured by a GSE-approved mortgage insurer, the mortgage seller retains at least a 10% participation in the loan or the seller agrees to repurchase or replace the loan in the event of a default. Historically, private mortgage insurance has been the preferred method utilized to meet this GSE charter requirement. As a result, the private mortgage insurance industry in the United States is driven in large part by the business practices and mortgage insurance requirements of the GSEs.

Mortgage Insurance

Mortgage insurance plays a critical role in the U.S. residential mortgage market by facilitating secondary market sales and by providing lenders and investors a means to diversify their exposures and mitigate mortgage credit risk. Mortgage insurance is provided by both private companies, such as Essent, and government agencies, such as the FHA and the VA. From 2001 through 2020, an average of 25.5% of total annual mortgage origination volume utilized mortgage insurance.

Mortgage insurance industry volumes are influenced by total mortgage originations, and the mix between purchase and refinancing originations. Historically, mortgage insurance utilization has been meaningfully higher in purchase originations compared to refinancing originations. In 2020, total U.S. residential mortgage origination volume was estimated at $3.57 trillion, comprised of $1.42 trillion of purchase originations and $2.15 trillion of refinancing originations. The significant increase in the mortgage market in 2020 over the prior year was driven in large part by historically low interest rates resulting from the COVID-19 pandemic and related economic conditions.

The following graph provides detail on trends in total residential mortgage originations and the breakdown of the market between purchase and refinancing volume.

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Residential Purchase vs. Refinancing Mortgage Originations ($ in billions)

_______________________________________________________________________________

Source:    Mortgage Bankers Association

The charts below detail the relative share of the insured mortgage market covered by public and private participants, and historical NIW trends in the mortgage insurance market and private mortgage insurance penetration rates, which represents private mortgage insurance NIW to total U.S. residential mortgage origination volume. As depicted below, the severe economic and housing market dislocation experienced as a result of the 2007-2008 financial crisis had a profound impact on our industry. Incumbent insurers experienced record high claims activity and sustained significant financial losses, resulting in depleted capital positions. The private mortgage insurance industry, however, has more than doubled its share of the total insured market since 2009, leading to higher private mortgage insurance penetration of the total mortgage origination market. In 2020, private mortgage insurance increased to an estimated 46% of the total insured market and covered 17% of the total mortgage origination volume.

Relative Share of Private and Public Mortgage Insurance

_______________________________________________________________________________

Source:    Inside Mortgage Finance

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Private mortgage insurance NIW ($ in billions)

_______________________________________________________________________________

Source:    Inside Mortgage Finance, except for total originations for the purpose of calculating private mortgage insurance penetration, which is based on Mortgage Bankers Association. For 2011 through 2020, private mortgage insurance penetration includes private mortgage insurance NIW originated under the Home Affordable Refinancing Program, or "HARP".

Competition

The private mortgage insurance industry is highly competitive. Private mortgage insurers generally compete on the basis of pricing, customer relationships, underwriting guidelines, terms and conditions, financial strength, reputation, the strength of management and field organizations, the effective use of technology, and innovation in the delivery and servicing of insurance products. The private mortgage insurance industry currently consists of six active private mortgage insurers: Essent Guaranty, Arch Mortgage Insurance Company, Genworth Financial, Inc., Mortgage Guaranty Insurance Corporation, National Mortgage Insurance Corporation and Radian Guaranty Inc.

We and other private mortgage insurers compete directly with Federal and state governmental and quasi-governmental agencies that provide mortgage insurance, principally, the FHA and, to a lesser degree, the VA. We and other private mortgage insurers also face limited competition from state-sponsored mortgage insurance funds in several states, including California and New York. From time to time, other state legislatures and agencies consider expanding the authority of their state governments to insure residential mortgages.

Our industry also competes with products designed to eliminate the need for private mortgage insurance, such as "piggyback loans," which combine a first lien loan with a second lien in order to meet the 80% loan-to-value threshold required for sale to the GSEs without certain credit protections. In addition, we compete with investors willing to hold credit risk on their own balance sheets without credit enhancement and, in some markets, with alternative forms of credit enhancement such as structured finance products and derivatives.

Our Products and Services

Mortgage Insurance

In general, there are two principal types of private mortgage insurance, primary and pool.

Primary Mortgage Insurance

Primary mortgage insurance provides protection on individual loans at specified coverage percentages. Primary mortgage insurance is typically offered to customers on individual loans at the time of origination on a flow (i.e., loan-by-loan) basis, but can also be written in bulk transactions (in which each loan in a portfolio of loans is insured in a single transaction). A substantial majority of our policies are primary mortgage insurance.

Customers that purchase our primary mortgage insurance select a specific coverage level for each insured loan. To be eligible for purchase by a GSE, a low down payment loan must comply with the coverage percentages established by that GSE. For loans not sold to the GSEs, the customer determines its desired coverage percentage. Generally, our risk across all policies written is approximately 25% of the underlying primary insurance in force, but may vary from policy to policy between 6% and 35% coverage.

We file our premium rates with the insurance departments of the 50 states and the District of Columbia as required. Premium rates cannot be changed after the issuance of coverage and premiums applicable to an individual loan are based on a

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broad spectrum of risk variables including coverage percentages, loan-to-value, or LTV, loan and property attributes, and borrower risk characteristics. See "Management's Discussion and Analysis of Financial Condition and Results of Operations—Factors Affecting Our Results of Operations—Net Premiums Written and Earned" and "—Key Performance Indicators—Average Net Premium Rate."

Premium payments for primary mortgage insurance coverage are typically made by the borrower. Mortgage insurance paid directly by the borrower is referred to as borrower-paid mortgage insurance, or "BPMI." If the borrower is not required to pay the premium, then the premium is paid by the lender, who may recover the premium through an increase in the note rate on the mortgage or higher origination fees. Loans for which premiums are paid by the lender are referred to as lender-paid mortgage insurance, or "LPMI." In either case, the payment of premium to us generally is the legal responsibility of the insured.

Premiums are generally calculated as a percentage of the original principal balance and may be paid as follows:

•monthly, where premiums are collected on a monthly basis over the life of the policy;

•in a single payment, where the entire premium is paid upfront at the time the mortgage loan is originated;

•annually, where premiums are paid in advance for the subsequent 12 months; or

•on a "split" basis, where an initial premium is paid upfront along with subsequent monthly payments.

As of December 31, 2020, substantially all of our policies are monthly or single premium policies.

In general, we may not terminate mortgage insurance coverage except in the event there is non-payment of premiums or certain material violations of our mortgage insurance policies. The insured may cancel mortgage insurance coverage at any time at their option or upon mortgage repayment. GSE guidelines generally provide that a borrower meeting certain conditions may require the mortgage servicer to cancel mortgage insurance coverage upon the borrower's request when the principal balance of the loan is 80% or less of the property's current value. The Homeowners Protection Act of 1998, or HOPA, also requires the automatic termination of BPMI on most loans when the LTV ratio, based upon the original property value and amortized loan balance, reaches 78%, and provides for cancellation of BPMI upon a borrower's request when the LTV ratio, based on the current value of the property, reaches 80%, upon satisfaction of the conditions set forth in HOPA. See "—Regulation—Federal Mortgage—Related Laws and Regulations—Homeowners Protection Act of 1988" below. In addition, some states impose their own mortgage insurance notice and cancellation requirements on mortgage loan servicers.

The GSEs have implemented certain guidelines that may provide more flexibility to certain borrowers to cancel mortgage insurance than is required for such loans under HOPA. For example, borrowers may request termination of mortgage insurance based on the current value of the property if certain loan-to-value and seasoning requirements are met and the borrower has an acceptable payment history. For loans seasoned between two and five years, the loan-to-value ratio must be 75% or less, and for loans seasoned more than five years, the loan-to-value ratio must be 80% or less. If the borrower has made substantial improvements to the property, the GSEs allow for cancellation once the loan-to-value ratio reaches 80% or less with no minimum seasoning requirement. In addition, GSE servicing guidelines currently require servicers to cancel BPMI on second homes with a 78% loan-to-value ratio, whereas HOPA applies to principal residences and excludes second homes.

Pool Insurance

Pool insurance is typically used to provide additional credit enhancement for certain secondary market and other mortgage transactions. Pool insurance generally covers the excess of the loss on a defaulted mortgage loan that exceeds the claim payment under the primary coverage, if such loan has primary coverage, as well as the total loss on a defaulted mortgage loan that did not have primary coverage. Pool insurance may have a stated aggregate loss limit for a pool of loans and may also have a deductible under which no losses are paid by the insurer until losses on the pool of loans exceed the deductible. In another variation, generally referred to as modified pool insurance, policies are structured to include an exposure limit for each individual loan as well as an aggregate loss limit or a deductible for the entire pool.

Master Policy

We issue a master policy to each customer approved as a counterparty by our risk department before accepting their applications for insurance. The master policy, along with its related endorsements and certificates, sets forth the general terms and conditions of our mortgage insurance coverage, including loan eligibility requirements, coverage terms, policy administration, premium payment obligations, exclusions or reductions in coverage, conditions precedent to payment of a claim, claim payment requirements, subrogation and other matters attendant to our coverage.

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Mortgage insurance master policies generally protect mortgage insurers from the risk of material misrepresentations and fraud in the origination of an insured loan by establishing the right to rescind coverage in such event. Pursuant to the current minimum standards for mortgage insurer master policies enacted by the GSEs and the Federal Housing Finance Agency, or FHFA, which we refer to as the "Rescission Relief Principles," we implemented a new master policy effective March 1, 2020. Consistent with the Rescission Relief Principles, our current master policy provides rescission relief for loans that (i) remain current up to 36 months after origination, have not experienced more than two late payments of 30 days or more, and have never been 60 days late, or (ii) are current after 60 payments, and otherwise permits the provision of rescission relief concurrent with independent validation of representations, including validation by use of duly approved automated tools. Our current master policy also reserves rescission rights with respect to fraud committed by any party in connection with the origination or closing of a loan or application for mortgage insurance (provided, however, that the exclusion for fraud by borrowers may be sunset after the borrower has made 12 timely payments) and certain patterns of fraud or data inaccuracies and permits us to offer certain alternatives to rescission. See "Risk Factors—Risks Relating to the Operation of Our Business—Changes in the business practices of the GSEs, including actions or decisions to decrease or discontinue the use of mortgage insurance or changes in the GSEs' eligibility requirements for mortgage insurers, could reduce our revenues or adversely affect our profitability and returns" elsewhere in this Annual Report and "—Regulation—Direct U.S. Regulation—GSE Qualified Mortgage Insurer Requirements" below.

Contract Underwriting

In addition to offering mortgage insurance, we provide contract underwriting services on a limited basis. As a part of these services, we assess whether data provided by the customer relating to a mortgage application complies with the customer's loan underwriting guidelines. These services are provided for loans that require private mortgage insurance, as well as for loans that do not require private mortgage insurance. Under the terms of our contract underwriting agreements with customers and subject to contractual limitations on liability, we agree to indemnify the customer against losses incurred in the event that we make an underwriting error which materially restricts or impairs the saleability of a loan, results in a material reduction in the value of a loan or results in the customer being required to repurchase a loan. The indemnification may be in the form of monetary or other remedies, subject to per loan and annual limitations. See "Risk Factors—Risks Relating to the Operation of Our Business—We face risks associated with our contract underwriting business."

Bermuda-Based Insurance and Reinsurance

We offer mortgage-related insurance and reinsurance through Essent Re, a Class 3A insurance company licensed pursuant to Section 4 of the Bermuda Insurance Act 1978. Essent Re provides insurance or reinsurance relating to the GSE risk share and other reinsurance transactions. Essent Re also reinsures 25% of Essent Guaranty's NIW under a quota share reinsurance agreement. Essent Re also provides underwriting consulting services to third-party reinsurers through its wholly-owned subsidiary, Essent Agency (Bermuda) Ltd. 

Our Mortgage Insurance Portfolio

All of our policies in force were written since May 2010. The following data presents information on our primary mortgage insurance portfolio for policies written by Essent Guaranty.

Insurance in Force by Policy Year

The following table sets forth our insurance in force, or IIF, as of December 31, 2020, by year of policy origination. IIF refers to the unpaid principal balance of mortgage loans that we insure.

($ in thousands)	$		%
2020	$	102,123,354	51.3	%
2019	38,688,532		19.5
2018	18,677,363		9.4
2017	16,268,294		8.2
2016	11,314,546		5.7
2015 and prior	11,810,263		5.9
	$	198,882,352	100.0	%

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Portfolio Characteristics

The following tables reflect our IIF and risk in force, or RIF, amounts by borrower credit scores at origination, LTV at origination, and IIF by loan type and amortization, each as of December 31, 2020 and 2019. RIF refers to the product of the coverage percentage applied to the unpaid principal balance of mortgage loans that we insure.

Portfolio by Credit Score

	December 31,
IIF by FICO score ($ in thousands)	2020				2019
>=760	$	82,452,139	41.5	%	$	68,123,523	41.5	%
740-759	34,538,761		17.3		27,886,603		17.0
720-739	29,599,646		14.9		24,069,139		14.7
700-719	23,807,982		12.0		19,183,219		11.7
680-699	15,538,235		7.8		13,713,164		8.4
<=679	12,945,589		6.5		11,030,205		6.7
Total	$	198,882,352	100.0	%	$	164,005,853	100.0	%

	December 31,
Gross RIF (1) by FICO score ($ in thousands)	2020				2019
>=760	$	20,336,799	41.0	%	$	17,082,683	41.3	%
740-759	8,682,265		17.5		7,056,654		17.0
720-739	7,504,065		15.1		6,150,334		14.9
700-719	5,970,851		12.1		4,873,597		11.8
680-699	3,887,059		7.9		3,491,755		8.4
<=679	3,184,111		6.4		2,747,927		6.6
Total	$	49,565,150	100.0	%	$	41,402,950	100.0	%

_______________________________________________________________________________

(1)Gross RIF includes risk ceded under third-party reinsurance.

Portfolio by LTV

	December 31,
IIF by LTV ($ in thousands)	2020				2019
85.00% and below	$	27,308,296	13.7	%	$	17,128,008	10.5	%
85.01% to 90.00%	58,606,394		29.5		46,771,386		28.5
90.01% to 95.00%	86,169,485		43.3		76,611,494		46.7
95.01% and above	26,798,177		13.5		23,494,965		14.3
Total	$	198,882,352	100.0	%	$	164,005,853	100.0	%

	December 31,
Gross RIF (1) by LTV ($ in thousands)	2020				2019
85.00% and below	$	3,142,034	6.3	%	$	1,977,361	4.8	%
85.01% to 90.00%	14,061,553		28.4		11,249,383		27.2
90.01% to 95.00%	24,895,471		50.2		21,981,598		53.1
95.01% and above	7,466,092		15.1		6,194,608		14.9
Total	$	49,565,150	100.0	%	$	41,402,950	100.0	%

_______________________________________________________________________________

(1)Gross RIF includes risk ceded under third-party reinsurance.

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Portfolio by Loan Amortization Period

	December 31,
IIF by Loan Amortization Period ($ in thousands)	2020				2019
FRM 30 years and higher	$	187,704,000	94.4	%	$	154,905,519	94.5	%
FRM 20-25 years	4,365,585		2.2		2,854,560		1.7
FRM 15 years	4,776,068		2.4		3,300,715		2.0
ARM 5 years and higher	2,036,699		1.0		2,945,059		1.8
Total	$	198,882,352	100.0	%	$	164,005,853	100.0	%

Portfolio by Geography

Our in force portfolio is geographically diverse. As of December 31, 2020, only three states accounted for greater than 5% of our portfolio and no single metropolitan statistical area accounted for greater than 3% of our portfolio, as measured by either IIF or Gross RIF. The following tables provide detail of the IIF and Gross RIF in our top ten most concentrated states and our top ten most concentrated U.S. metropolitan statistical areas as of December 31, 2020 and 2019.

Top Ten States

	December 31,
	2020		2019
IIF by State
CA	12.0	%	10.0	%
TX	9.7		8.6
FL	8.7		7.9
CO	4.1		3.7
WA	3.8		4.4
AZ	3.6		3.3
IL	3.4		3.7
NJ	3.3		3.6
VA	3.1		3.2
MD	3.0		2.8
All Others	45.3		48.8
Total	100.0	%	100.0	%

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	December 31,
	2020		2019
Gross RIF by State
CA	11.8	%	9.8	%
TX	10.0		8.9
FL	9.0		8.0
CO	4.1		3.6
WA	3.8		4.4
AZ	3.5		3.2
IL	3.3		3.5
NJ	3.2		3.6
GA	3.1		3.3
VA	3.1		3.1
All Others	45.1		48.6
Total	100.0	%	100.0	%

Top Ten Metropolitan Statistical Areas

	December 31,
	2020		2019
IIF by Metropolitan Statistical Area
Phoenix-Mesa-Chandler, AZ	3.0	%	2.7	%
Houston-The Woodlands-Sugar Land, TX	2.8		2.4
Denver-Aurora-Lakewood, CO	2.6		2.3
Washington-Arlington-Alexandria, DC-VA-MD-WV	2.6		2.5
Dallas-Plano-Irving, TX	2.3		2.0
Los Angeles-Long Beach-Glendale, CA	2.3		2.0
Chicago-Naperville-Evanston, IL	2.3		2.5
Atlanta-Sandy Springs-Alpharetta, GA	2.2		2.4
Riverside-San Bernardino-Ontario, CA	2.1		1.6
Minneapolis-St. Paul-Bloomington, MN-WI	2.0		2.3
All Others	75.8		77.3
Total	100.0	%	100.0	%

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	December 31,
	2020		2019
Gross RIF by Metropolitan Statistical Area
Phoenix-Mesa-Chandler, AZ	3.0	%	2.7	%
Houston-The Woodlands-Sugar Land, TX	2.9		2.5
Denver-Aurora-Lakewood, CO	2.6		2.3
Washington-Arlington-Alexandria, DC-VA-MD-WV	2.5		2.5
Dallas-Plano-Irving, TX	2.4		2.0
Atlanta-Sandy Springs-Alpharetta, GA	2.3		2.4
Los Angeles-Long Beach-Glendale, CA	2.2		2.0
Chicago-Naperville-Evanston, IL	2.2		2.3
Riverside-San Bernardino-Ontario, CA	2.2		1.6
Minneapolis-St. Paul-Bloomington, MN-WI	1.9		2.3
All Others	75.8		77.4
Total	100.0	%	100.0	%

Customers

Our customers consist of originators of residential mortgage loans, such as regulated depository institutions, mortgage banks, credit unions and other lenders. We classify our customers into two broad categories and target our marketing efforts based on the customer's operating model and whether decisions to select a mortgage insurance provider are made centrally, or at the field or customer branch level:

•Centralized—Centralized customers make decisions regarding the placement and allocation of mortgage insurance among their approved private mortgage insurers at the corporate level. Generally, these customers consist of the larger, national mortgage originators which originate loans across multiple states, but there are several regional and mid-size lenders which use this method as well.

•Decentralized—Decentralized customers make mortgage insurance purchasing decisions at the field or branch level. These customers generally are more prevalent with regional and mid-size lenders which originate mortgages in a smaller geographic footprint, but are also seen, on a limited basis, among some national lenders.

We seek to maintain strong institutional relationships with all our customers. We provide them with ongoing risk, sales, training, service and product development support. We maintain regular and ongoing dialogue with our customers to develop an in-depth understanding of their strategies and needs, to share market perspectives and industry best practices, and to offer tailored solutions and training where necessary on a local level.

Our top ten customers generated 35.8% of our NIW on a flow basis during the year ended December 31, 2020, compared to 42.8% and 43.5% for the years ended December 31, 2019 and 2018, respectively. For the year ended December 31, 2020, no customer exceeded 10% of our consolidated revenue. The loss of any of our larger customers could have a material adverse impact on us and our business. See "Risk Factors—Risks Relating to the Operation of Our Business—Our revenues, profitability and returns would decline if we lose a significant customer."

Sales and Marketing

Our sales and marketing efforts are designed to help us establish and maintain in-depth, quality customer relationships. We organize our sales and marketing efforts based on our centralized and decentralized customer segmentation, giving additional consideration to a customer's geographic location and whether its lending footprint is national or regional in nature.

We emphasize a collaborative approach with our customers that includes a number of educational offerings and joint product development and marketing initiatives:

•Regular Portfolio and Risk Management Reviews.  We conduct periodic insured mortgage portfolio reviews with customers, including detailed loan performance metrics.

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•Joint Product Development and Marketing Initiatives.  We emphasize the development of specialized products and programs that provide increased opportunities for customers and address targeted segments of the market. We recognize the value in developing new products collaboratively with our customers. We also work closely with customers to understand their strategic priorities and business objectives while identifying opportunities that will enhance and complement the customers' marketing activities.

•Customer Service, Support and Trainings.  We have an experienced and knowledgeable customer services team that strives to provide premier service to our customers. We dedicate service representatives to our customers so they can establish relationships with their customer peers and become thoroughly familiar with unique customer systems, processes and service needs. We have developed mortgage industry training courses that are offered to our customers as a value added service. We have an experienced team that maintains the course materials so that they are relevant and current and who facilitate training sessions for our customers.

We have an experienced team of national and regional account managers strategically deployed nationwide that markets our mortgage insurance products and support services.

We assign national account managers to each of the national lenders, providing a point of communication between us and the customer's senior management team. These professionals are responsible for the development and execution of sales and marketing strategies aimed at growing customer volumes and ensuring each customer's needs are understood and helping them to pursue their strategies. The national account managers also coordinate the direct communication of customers with our underwriting and risk management groups to provide a continual flow of information between the organizations.

We also have regional account managers and dedicated support staff operating in defined geographic regions. Our regional account managers play a similar role to our national account managers with respect to customer relationship management, education and customer training, serving as our primary point of contact for small and mid-sized regional lenders operating in a given territory. Regional account managers also support our national account team by assisting with our efforts to directly market and service the branch locations of certain national lenders.

We support our national and regional sales force, and improve their effectiveness in acquiring new customers, by raising our brand awareness through advertising and marketing campaigns, website enhancements, electronic communication strategies and sponsorship of industry and educational events.

We continue to build our sales force by hiring qualified mortgage professionals who generally have well-established relationships with industry-leading lenders and significant experience in both mortgage insurance and mortgage lending. Our approach is reflected in and supported by our compensation structure, pursuant to which we have successfully implemented a non-commission-based structure that includes an equity ownership program, which we believe aligns their efforts with our long-term corporate objectives, including providing better customer service and better risk selection.

Information Technology and Cybersecurity

We have a highly automated business that relies on information technology. We accept insurance applications through electronic submission and issue electronic insurance approvals. In order to facilitate this process, we establish direct connections to the origination and servicing systems of our customers and servicers, which may require a significant upfront investment. We also provide our customers secure access to our web-based mortgage insurance ordering and servicing systems to facilitate transactions.

We continue to upgrade and enhance our systems and technology, including:

•investing in new customer-facing technology that enables our customers to transact business faster and easier, whether over an internet browser or through direct system-to-system interfacing with our customers' loan origination and servicing systems;

•integrating our platform with third-party technology providers used by our customers in their loan origination process and for ordering mortgage insurance;

•supporting a business rules engine that automatically enforces our eligibility guidelines and pricing rules at the time the mortgage insurance application is submitted; and

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•implementing advanced business process management software that focuses on improving our underwriting productivity and that may also be used to improve our quality assurance and loss management functions.

We believe that our technology, together with our information technology team, greatly enhances our operating efficiency and creates competitive advantages. Our team is experienced in large-scale project delivery, including mortgage insurance administration systems and the development of web-enabled servicing capabilities. Technology costs are managed by standardizing our technology infrastructure, consolidating application systems, managing project execution risks and using contract employees as needed.

As for all institutions involved in financial services, information security represents a significant operational risk. To mitigate this risk, Essent has developed and manages comprehensive information security program dedicated to protecting data entrusted to us by our clients as well as our own proprietary corporate information. Essent’s approach is a considered a defense-in-depth strategy, with multiple tiers of security controls and monitoring. Essent has developed our security program using National Institute of Standards and Technology Cybersecurity Framework (the “NIST”) as our benchmark to manage cybersecurity-related risks. Based on NIST, we have designed our security services, including but not limited to, Application Security, Vulnerability Management and Data Protection, Threat Detection and Incident Response. We test our programs effectiveness and readiness through table top exercises, regular external and internal penetration testing, “Red Team” testing and other means to ensure our program is effectively meeting our program goals as designed.

Our commitment to our information security program extends across the organization. We have an information security committee comprised of cross-departmental company executives and IT leaders to ensure that we maintain strong governance mechanisms and to ensure compliance with our security policies and procedures. Additionally, our board of directors, led by the board’s technology, innovation and operations committee, actively oversees our information security program, with Essent's management providing that committee with regular updates and reporting on our IT strategy, including information security strategies and initiatives, event preparedness and incremental improvement efforts. Although our information security program is designed to attempt to prevent, detect and respond to unauthorized use or disclosure of confidential information, including non-public personal information, there can be no assurance that such use or disclosure will not occur. See “Risk Factors—Risks Relating to the Operation of Our Business—The security of our information technology systems may be compromised and confidential information, including non-public personal information that we maintain, could be improperly disclosed."

Underwriting

We have established underwriting guidelines that we believe protect our balance sheet and result in the insurance of high quality business. Most applications for mortgage insurance are submitted to us electronically, and we rely upon the lender's representations and warranties that the data submitted is true and correct when making our insurance decision. Our underwriting guidelines incorporate credit eligibility requirements that, among other things, restrict our coverage to mortgages that meet our requirements with respect to borrower FICO scores, maximum debt-to-income levels, maximum LTV ratios and documentation requirements. Our underwriting guidelines also limit the coverage we provide for mortgages made with certain high risk features, including those for cash-out refinance, second homes or investment properties.

We regularly seek to enhance our underwriting guidelines through extensive data gathering, detailed loan level risk analysis, and assessments of trends in key macroeconomic factors such as housing prices, interest rates and employment. We utilize proprietary models that enable us to assess individual loan risks with a high degree of granularity and set pricing for our policies within a risk-adjusted return framework. See "—Risk Management" below. We have adopted a balanced underwriting approach, which considers our risk analysis, return objectives and market factors.

At present, our underwriting guidelines are broadly consistent with those of the GSEs. Many of our customers use the GSEs' automated loan underwriting systems, Desktop Underwriter® and Loan Prospector®, for making credit determinations. We accept the underwriting decisions made by the GSEs' underwriting systems, subject to certain additional limitations and requirements. We monitor the GSEs for updates to these systems, and may engage in a deeper review for the more substantive releases. Our reviews may result in the maintenance or implementation of additional eligibility requirements. In addition, the performance results of loans scored via automated underwriting systems are monitored within our portfolio management protocols.

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Our primary mortgage insurance policies are issued through one of two programs:

•Delegated Underwriting.  We delegate to eligible customers the ability to underwrite the loans based on agreed-upon underwriting guidelines. To perform delegated underwriting, customers must be approved by our risk management group. See "—Risk Management—Loan Life Cycle Risk Management" below. Some customers prefer to assume underwriting responsibilities because it is more efficient within their loan origination process. Because this delegated underwriting is performed by third parties, we regularly perform quality assurance reviews on a sample of delegated loans to assess compliance with our guidelines. As of December 31, 2020, approximately 66% of our insurance in force had been originated on a delegated basis, compared to 62% as of December 31, 2019. See "Risk Factors—Risks Relating to the Operation of Our Business—Our delegated underwriting program may subject our mortgage insurance business to unanticipated claims."

•Non-Delegated Underwriting.  Customers who choose not to participate in, or do not qualify for, our delegated underwriting program submit loan files to us so that we may reach a decision as to whether we will insure the loan. In addition, customers participating in our delegated underwriting program may choose not to use their delegated authority, and instead may submit loans for our independent underwriting. Some customers prefer our non-delegated program because we assume underwriting responsibility and will not rescind coverage if we make an underwriting error, subject to the terms of our master policy. We seek to ensure that our employees properly underwrite our loans through quality assurance sampling, loan performance monitoring and training. As of December 31, 2020, approximately 34% of our insurance in force had been originated on a non-delegated basis, compared to 38% as of December 31, 2019.

We maintain primary underwriting centers in Radnor, Pennsylvania, Winston-Salem, North Carolina and Irvine, California. We believe that the geographical distribution of our underwriting staff allows us to make underwriting determinations across different time zones and to best serve customers across the United States. Although our employees conduct the substantial majority of our non-delegated underwriting, we engage underwriters on an outsourced basis from time to time in order to provide temporary underwriting capacity.

Risk Management

We have established risk management controls throughout our organization and have a risk management framework that we believe reduces the volatility of our financial results and capital position. The risk committee of our board of directors has formal oversight responsibility for the risks associated with our business and is supported by a management risk committee, chaired by our Chief Risk Officer, comprised of senior members of our executive management team.

We believe that our risk management framework encompasses all of the major risks we face, including our mortgage insurance portfolio, investment risk, liquidity risk and regulatory compliance risk, among others. The majority of our risk analysis is directed toward the risks embedded in our mortgage insurance portfolio. As such, we have established a risk management approach that analyzes the risk across the full life cycle of a mortgage, into what we term the "loan life cycle."

Loan Life Cycle Risk Management

We generally break down the loan life cycle risk management process into three components:

•Customer qualification—customer review and approval process;

•Policy acquisition—loan underwriting, valuation and risk approval; and

•Portfolio management—loan performance and lender monitoring with continuous oversight through the settlement of a claim.

Customer qualification involves a process in which we diligence a potential customer's financial resources, operational practices, management experience and track record of originating quality mortgages prior to formalizing a customer relationship. We leverage the experience of our management team to pre-screen lenders prior to formally engaging and performing a lender qualification review. Once engaged, our counterparty risk management team conducts a lender qualification review with oversight from the management risk committee. Approved lenders are subject to clear parameters regarding underwriting delegation status, credit guideline requirements and variances and collateral thresholds and volume mix expectations for loan diversification.

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The policy acquisition process involves the establishment of underwriting guidelines, pricing schedules and aggregate risk limits. See "—Underwriting" above. These guidelines and schedules are coded in our credit risk rule engine which is utilized to screen each loan underwritten, and are constructed to ensure prudent risk acquisition with adequate return on capital. These guidelines and schedules are maintained and periodically reviewed by our risk management team and adjusted to reflect the most current risk assessment based on ongoing experience in the insurance portfolio as well as industry loan quality trends.

The portfolio management process involves two main functions, quality assurance, or QA, reviews, and a comprehensive surveillance protocol, in order to provide customers timely feedback that fosters high quality loan production. Through our QA process, we review a statistically significant sample of individual mortgages from our customers to ensure that the loans accepted through our underwriting process meet our pre-determined eligibility and underwriting criteria. The QA process allows us to identify trends in lender underwriting and origination practices, as well as to back-test underlying reasons for delinquencies, defaults and claims within our portfolio. The information gathered from the QA process is incorporated into our policy acquisition function and is intended to prevent continued aggregation of underperforming risks. Our surveillance protocol maintains oversight over customer and vendor activities, industry dynamics, production trends and portfolio performance. The portfolio management process also involves loss mitigation aimed to reduce both frequency and severity of non-performing risk. See "—Defaults and Claims" below.

Modeling and Analytics

Our risk management professionals are supported by substantial data analysis and sophisticated risk models. We have a dedicated modeling and analytics team which is responsible for delivering actionable models, tools, analysis and reporting to inform our credit underwriting and pricing decisions. The team analyzes mortgage, financial, economic and housing data to develop proprietary behavioral models that help us assess credit, prepayment and loss severity trends and collateral valuation models to help inform business decisions. Performance and profitability are evaluated across customers and products to identify the emergence of potential weaknesses and adverse risks. Geographic housing market analysis also is utilized in establishing market restrictions for certain products and segments. We utilize an economic capital framework to evaluate risk-adjusted returns. We also perform stress tests on our portfolio to analyze how our book of business may perform under adverse scenarios. We believe that our economic capital framework and stress testing analysis helps to inform our optimal capitalization targets, allowing us to prudently manage and protect our balance sheet.

Reinsurance

We proactively manage our risk exposure and capital in part through the use of third-party reinsurance arrangements. Since 2018, we have entered into several types of reinsurance arrangements:

•fully collateralized excess of loss reinsurance coverage on mortgage insurance policies that we have already issued with special purpose insurers funding such reinsurance obligations through the issuance of mortgage insurance-linked notes;

•excess of loss reinsurance arrangements with third party reinsurers on mortgage insurance policies that we have already issued; and

•quota share reinsurance arrangements in which third party reinsurers agree to prospectively reinsure a pro rata portion of the risk on policies that we write.

We believe that our reinsurance programs offer us a number of benefits, including:

•hedging against adverse losses in times of stress and mitigation of portfolio risk and volatility through the housing and economic cycle;

•providing capital relief under the various state insurance risk to capital framework, rating agency capital requirements and GSE PMIERs available asset requirements;

•providing a diversified source of capital to support and grow our business; and

•enhancing our counterparty strength and improving the sustainability of our franchise.

For additional information regarding our third-party reinsurance programs, see Note 5 to our consolidated financial statements entitled "Reinsurance" included elsewhere in this Annual Report.

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Defaults and Claims

Defaults

The default and claim cycle for a mortgage insurance policy begins with receipt of a default notice from the servicer. We consider a loan to be in default when we are notified by the servicer that the borrower has missed at least two consecutive monthly payments. Defaults may occur for a variety of reasons including death or illness, divorce or other family problems, unemployment, changes in economic conditions, declines in property values that cause the outstanding mortgage amount to exceed the value of a home or other events.

We expect servicers to make timely collection efforts on borrowers who have defaulted, and to attempt to restore the defaulted mortgage, and our mortgage insurance coverage, to current status. If the servicer cannot restore a borrower to current status, the servicer may be able to offer the borrower a forbearance or loan modification alternatives. Where these alternatives cannot cure the default, the servicer is responsible for pursuing remedies for the default, including foreclosure or acceptable foreclosure alternatives, certain of which, such as short sales and deeds in lieu of foreclosure, require our prior approval under the terms of our master policy. We have delegated certain authority to the GSEs and their servicers to exercise some of these alternatives. Among other requirements, servicers operate under protocols established by the GSEs. See "Risk Factors—Risks Relating to the Operation of Our Business—If servicers fail to adhere to appropriate servicing standards or experience disruptions to their businesses, our losses could unexpectedly increase."

The following table shows the number of primary insured loans and the percentage of loans insured by us that are in default as of December 31, 2020 and 2019:

Number of Loans in Default and Default Rate

	December 31,
	2020		2019
Number of policies in force	799,893		702,925
Loans in default	31,469		5,947
Percentage of loans in default	3.93	%	0.85	%

Loan Defaults by Originating Year

	December 31, 2020					December 31, 2019
Originating Year	Loans in Default	Percentage of policies written in period		Defaulted RIF (in thousands)		Loans in Default	Percentage of policies written in period		Defaulted RIF (in thousands)
2010 - 2014	1,985	0.7	%	106,380		888	0.3	%	46,989
2015	1,615	1.4		91,288		669	0.6		36,362
2016	3,154	2.2		188,240		948	0.7		51,304
2017	5,614	3.0		307,133		1,623	0.9		81,398
2018	6,903	3.6		414,691		1,398	0.7		76,955
2019	9,230	4.0		666,756		421	0.2		26,902
2020	2,968	0.8		234,117		N/A	N/A		N/A
Total	31,469			$	2,008,605	5,947			$	319,910

We have experienced a relatively low level of defaults to date. This is due, in part, to the weighted average life of our mortgage insurance portfolio being 19.0 months as of December 31, 2020, whereas the peak default period for insured mortgage loans has historically been three to six years after loan origination. As a result, we do expect default levels to increase as our portfolio seasons. We believe that in recent years the underwriting practices in the industry have improved substantially and that the quality of mortgage loans originated has been high. Consequently, we expect that the default rate and losses on the business we have underwritten to date will be favorable in comparison to the default rate and losses historically experienced by mortgage insurers. Due to business restrictions, stay-at-home orders and travel restrictions initially implemented in March 2020 as a result of COVID-19, unemployment in the United States increased significantly in the second quarter of 2020 and remained elevated at December 31, 2020. As unemployment is one of the most common reasons for borrowers to default on their

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mortgage, the increase in unemployment has increased the number of delinquencies on the mortgages we insure, and has the potential to increase claim frequencies on defaults. As of December 31, 2020, insured loans in default totaled 31,469 and included 28,922 defaults classified as COVID-19 defaults. For borrowers that have the ability to begin to pay their mortgage at the end of the forbearance period, we expect that mortgage servicers will work with them to modify their loans at which time the mortgage will be removed from delinquency status. We believe that the forbearance process could have a favorable effect on the frequency of claims that we ultimately pay. Based on the forbearance programs in place and the credit characteristics of the COVID-19 defaulted loans, we expect the ultimate number of COVID-19-related defaults that result in claims will be less than our historical default-to-claim experience.

Claims

Defaulted mortgages that are not cured turn into claims. The insured customer must acquire title to the property before submitting a claim. The time in which a customer may acquire title to a property through foreclosure varies, depending on the state in which the property is located. Historically, on average, mortgage insurers do not receive a request for claim payment until approximately 18 months following a default on a first-lien mortgage. This time lag has increased in recent years as the industry has experienced a slowdown in foreclosures (and, consequently, a slowdown in claims submitted to mortgage insurers) largely due to foreclosure moratoriums imposed by various government entities and lenders and increased scrutiny within the mortgage servicing industry on the foreclosure process.

Upon review and determination that a claim is valid, we generally have the following three settlement options:

•Percentage option—determined by multiplying the claim amount by the applicable coverage percentage, with the customer retaining title to the property. The claim amount is defined in the master policy as consisting of the unpaid loan principal, plus past due interest, subject to a defined maximum, and certain expenses associated with the default;

•Third-party sale option—pay the amount of the claim required to make the customer whole, commonly referred to as the "actual loss amount" (not to exceed our maximum liability as outlined under the percentage option), following an approved sale; or

•Acquisition option—pay the full claim amount and acquire title to the property.

We believe there are opportunities to mitigate losses between the time a loan defaults and the ultimate loss we may experience. Because of the small number of defaults and filed claims in our insurance portfolio to date, our opportunities to pursue these activities have been limited. However, we expect both defaulted loan counts and claim filings to increase as our portfolio grows and matures, expanding the potential benefit from these loss mitigation activities. Our loss mitigation and claims area is led by seasoned personnel supported by default tracking and claims processing capabilities within our integrated platform. Our loss mitigation staff is also actively engaged with our servicers and the GSEs with regard to appropriate servicing and loss mitigation practices.

Investment Portfolio

Our investment portfolio, including cash, comprises the largest single component of our balance sheet, representing 91.4% of our total assets at December 31, 2020. Our primary objectives with respect to our investment portfolio are to preserve capital, generate investment income and maintain sufficient liquidity to cover operating expenses and pay future insurance claims. As of December 31, 2020, predominantly all of our investment securities were rated investment-grade.

We have adopted and our board of directors has approved an investment policy that defines specific limits for asset sectors, single issuer, credit rating, asset duration, industry and geographic concentration and eligible and ineligible investments. Our senior management is responsible for the execution of our investment strategy and compliance with the adopted investment policy, and review of investment performance and strategy with the investment committee of the board of directors on a quarterly basis.

Our current strategy for the investment portfolio is focused primarily on the following: selecting fixed income securities; maintaining sufficient liquidity to meet expected and unexpected financial obligations; mitigating interest rate risk through management of asset durations; continuously monitoring investment quality; and limiting investments in assets that are highly correlated to the residential mortgage market.

We engage external asset managers to assist with the trading, investment research, investment due diligence and portfolio allocation within the guidelines that we have set. Approximately 86.2% of our investments available for sale were managed by

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external managers as of December 31, 2020. Assets not managed by external managers include securities on deposit with state regulatory agencies in connection with the insurance licenses and bonds issued by the U.S. Treasury and U.S. government agencies. To date, we have not used any derivatives to hedge any investment or business risks that we are currently assuming. We measure investment performance against market benchmarks on both total return and return volatility dimensions.

See "Management's Discussion and Analysis of Financial Condition and Results of Operations—Financial Condition—Investments" for information regarding the performance of our investment portfolio.

Regulation

Direct U.S. Regulation

We are subject to comprehensive, detailed regulation by Federal regulators and state insurance departments. State regulations are principally designed for the protection of the public and our insured policyholders, rather than for the benefit of investors. Although their scope varies, state insurance laws generally grant broad supervisory powers to agencies or to officials to examine insurance companies and to enforce rules or to exercise discretion affecting almost every significant aspect of the insurance business.

GSE Qualified Mortgage Insurer Requirements

Pursuant to their charters, Fannie Mae and Freddie Mac purchase or guaranty low down payment loans insured by entities that they determine to be qualified mortgage insurance companies. Our primary insurance subsidiary, Essent Guaranty, Inc., is currently approved by both Fannie Mae and Freddie Mac as a mortgage insurer.

The FHFA, as the conservator of the GSEs since 2008, has the authority to establish the priorities of the GSEs and to control and direct their operations. The FHFA has established a strategic plan for the GSEs, including the development by the GSEs of aligned counterparty risk management standards for mortgage insurers that include uniform master policy and eligibility requirements. See "—Our Products and Services—Mortgage Insurance—Master Policy" above.

Effective December 31, 2015, Fannie Mae and Freddie Mac, at the direction of the FHFA, implemented new coordinated Private Mortgage Insurer Eligibility Requirements, which we refer to as the "PMIERs." The PMIERs represent the standards by which private mortgage insurers are eligible to provide mortgage insurance on loans owned or guaranteed by Fannie Mae and Freddie Mac. The PMIERs include financial strength requirements incorporating a risk-based framework that require approved insurers to have a sufficient level of liquid assets (which may be offset in part by third-party reinsurance obtained by private mortgage insurers on terms set forth in the PMIERs) from which to pay claims. The PMIERs also include enhanced operational performance expectations and define remedial actions that apply should an approved insurer fail to comply with these requirements. A revised PMIERs framework, which we refer to as "PMIERs 2.0," became effective on March 31, 2019. As of December 31, 2020, Essent Guaranty, our GSE-approved mortgage insurance company, was in compliance with PMIERs 2.0.

State Insurance Regulation

Our U.S. insurance subsidiaries are required by the insurance regulatory authority of its state of domicile, and the insurance regulatory authority of each other jurisdiction in which they are licensed to transact business, to make various filings with those insurance regulatory authorities and with the National Association of Insurance Commissioners, or NAIC, including quarterly and annual financial statements prepared in accordance with statutory accounting principles. We are licensed to write mortgage insurance in all 50 states and the District of Columbia. Most states also regulate transactions between insurance companies and their affiliates and have restrictions on transactions that have the effect of inducing lenders to place business with the insurer. For a description of limits on dividends payable to Essent Group Ltd. from our insurance subsidiaries, see "Management's Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources" and Note 11 to our consolidated financial statements entitled "Dividends Restrictions" included elsewhere in this Annual Report.

In general, state regulation of our insurance business relates to:

•licenses to transact business;

•producer licensing;

•approval of policy forms;

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•approval of premium rates;

•limits on insurable loans;

•quarterly, annual and other reports on our financial condition;

•the basis upon which assets and liabilities must be stated;

•requirements regarding contingency reserves;

•minimum capital levels and adequacy ratios;

•credit for reinsurance;

•limitations on the types of investment instruments which may be held in our investment portfolio;

•special deposits of securities;

•limits on dividends payable;

•advertising compliance;

•establishment of reserves;

•claims handling;

•cybersecurity;

•hazardous financial condition; and

•enterprise risk management.

Mortgage insurance premium rates are regulated to protect policyholders against the adverse effects of excessive, inadequate or unfairly discriminatory rates and to encourage competition in the insurance marketplace. Any increase in premium rates must be actuarially justified, generally on the basis of the insurer's loss experience, expenses and future trend analysis. The general mortgage default experience may also be considered. Premium rates are subject to review and approval by state regulators, except in states where such approval has been exempted by statute or regulation. See "Management's Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources" for information about regulations governing our capital adequacy, information about our current capital and our expectations regarding our future capital position.

The insurance holding company laws and regulations of Pennsylvania, the state in which our U.S. insurance subsidiaries are domiciled, regulate, among other things, certain transactions between Essent Group Ltd., our insurance subsidiaries and other parties affiliated with us and certain transactions involving our common shares, including transactions that constitute a change of control of Essent Group Ltd. and, consequently, a change of control of our insurance subsidiaries. Specifically, these laws and regulations require that, before a person can acquire direct or indirect control of an insurer domiciled in the state, prior written approval must be obtained from the Pennsylvania Insurance Department. The Pennsylvania Insurance Department is required to consider various factors, including the financial strength of the acquirer, the integrity and management experience of the acquirer's board of directors and executive officers, and the acquirer's plans for the future operations of the reinsurer or insurer. Pursuant to applicable laws and regulations, "control" over an insurer is generally presumed to exist if any person, directly or indirectly, owns, controls, holds the power to vote or holds proxies representing, 10% or more of the voting securities of that reinsurer or insurer. Indirect ownership includes ownership of our common shares.

State insurance law, and not Federal bankruptcy law, would apply to any insolvency or financially hazardous condition of our U.S. insurance subsidiaries.

The NAIC has established a Mortgage Guaranty Insurance Working Group, which we refer to as the "MGIWG," to determine and make recommendations to the NAIC's Financial Condition Committee regarding what, if any, changes to the

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Mortgage Guaranty Insurance Model Act are deemed necessary to the solvency regulation of mortgage guaranty insurers, including, but not limited to, revisions to Statement of Statutory Accounting Principles (SSAP) No. 58 - Mortgage Guaranty Insurance. In December 2019, the MGIWG released for public comment a draft revised Model Act and a proposed risk-based mortgage guaranty capital model.

Statutory Accounting

The preparation of financial statements in conformity with state-regulated statutory accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities. It also requires disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the period. Actual results could differ from those estimates.

We are required to establish statutory accounting contingency loss reserves in an amount equal to 50% of our net earned premiums. These amounts generally cannot be withdrawn for a period of 10 years, except as permitted by applicable insurance law and regulations. With regulatory approval, a mortgage guaranty insurance company may make early withdrawals from the contingency reserve when incurred losses exceed 35% of net premiums earned in a calendar year. For further information, see Note 16 to our consolidated financial statements entitled "Statutory Accounting" included elsewhere in this Annual Report.

Federal Mortgage-Related Laws and Regulations

Certain Federal laws directly or indirectly affect private mortgage insurers. Private mortgage insurers are impacted indirectly by Federal laws and regulations affecting mortgage originators and lenders, purchasers of mortgage loans, such as the GSEs, and governmental insurers such as the FHA and the VA. For example, changes in Federal housing laws and regulation or other laws and regulations that affect the demand for private mortgage insurance may have a material adverse effect on us. In addition, mortgage origination and servicing transactions are subject to compliance with various Federal and state laws, including the Real Estate Settlement Procedures Act, or RESPA, the Equal Credit Opportunity Act, the Fair Housing Act, the Truth In Lending Act, or TILA, the Homeowners Protection Act of 1998, or HOPA, and the Fair Credit Reporting Act of 1970. Among other things, these laws and their implementing regulations prohibit payments for referrals of settlement service business, require fairness and non-discrimination in granting or facilitating the granting of credit, govern the circumstances under which companies may obtain and use consumer credit information, and provide for other consumer protections.

Dodd-Frank Act

The Dodd-Frank Act Wall Street Reform and Consumer Protection Act of 2010, which we refer to as the Dodd-Frank Act, amended certain provisions of TILA and RESPA that may have a significant impact on our business prospects. The Consumer Financial Protection Bureau, or CFPB, a Federal agency created by the Dodd-Frank Act, is charged with implementation and enforcement of these provisions.

Qualified Mortgage Regulations—Ability To Repay Requirements

The CFPB regulates the offering and provision of consumer financial products and services under Federal law, including residential mortgages, and is authorized to issue regulations governing a loan originator's determination that, at the time a loan is originated, the consumer has a reasonable ability to repay the loan. The Dodd-Frank Act provides for a statutory presumption that a borrower will have the ability to repay a loan if the loan has characteristics satisfying the qualified mortgage, or QM, definition. Creditors who violate the ability-to-repay, or ATR, standard can be liable for all interest and fees paid by the borrower as well as actual and statutory damages. Furthermore, the borrower may assert this as a defense by recoupment or set off without regard to any statute of limitation in any foreclosure action initiated by or on behalf of the creditor, assignee or any holder of the mortgage.

Pursuant to the CFPB's announced final rule regarding QMs, which we refer to as the QM Rule, a loan is deemed to be a QM if it meets certain specified requirements, including if:

•the term of the mortgage is less than or equal to 30 years;

•there is no negative amortization, interest only or balloon features;

•the lender properly documents the loan in accordance with the requirements;

•the total "points and fees" do not exceed certain thresholds, generally 3%; and

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•the total debt-to-income ratio does not exceed 43%.

The QM Rule provides a "safe harbor" for QM loans with annual percentage rates, or APRs, below the threshold of 150 basis points over the Average Prime Offer Rate, or APOR, and a "rebuttable presumption" for QM loans with an APR above that threshold.

The Dodd-Frank Act separately granted statutory authority to HUD (for FHA-insured loans), the VA (for VA-guaranteed loans) and certain other government agency insurance programs have developed their own definitions of a qualified mortgage in consultation with the CFPB. Under both the FHA's and the VA's QM standards, certain loans which would not qualify as QM loans in the conventional market would still be deemed to be QM loans if insured or guaranteed by FHA or VA. As a result, lenders may favor the use of FHA or VA insurance to achieve the legal protections of making a QM loan through these agencies, even if the same loan could be made at the same or lower cost to the borrower using private mortgage insurance, which could adversely impact our business. To the extent that the other government agencies adopt their own definitions of a QM which are more favorable to lenders and mortgage holders than those applicable to the market in which we operate, our business may be adversely affected.

In October 2020, the CFPB announced a final rule that would implement a currently temporary second category under the QM Rule providing for more flexible underwriting requirements (the "GSE Patch"). To qualify under the GSE Patch, a mortgage must meet the general product feature requirements and be eligible to be purchased or guaranteed by either of the GSEs (while they remain under FHFA conservatorship), the FHA, the VA, and the U.S. Department of Agriculture Rural Development program.

On February 23, 2021, the CFPB announced that, in light of the economic dislocations resulting from the COVID-19 pandemic, it intends to issue a proposed rule to delay the implementation of the final QM Rule and the GSE Patch.

We expect that most lenders will continue to be reluctant to make non-QM loans because they will not be entitled to the presumption against civil liability under the Dodd-Frank Act, and mortgage investors may be reluctant to purchase mortgages or mortgage-backed securities that are not QMs due to potential assignee liability for such loans. As a result, we believe that the QM regulations have a direct impact on establishing a subset of borrowers who can meet the regulatory standards and directly affect the willingness of lenders and mortgage investors to extend mortgage credit and therefore the size of the residential mortgage market. See "Risk Factors—Risks Relating to Regulation and Litigation—Our business prospects and operating results could be adversely impacted if, and to the extent that, the Consumer Financial Protection Bureau's ("CFPB") final rule defining a qualified mortgage ("QM") reduces the size of the origination market or creates incentives to use government mortgage insurance programs."

Qualified Residential Mortgage Regulations—Risk Retention Requirements

The Dodd-Frank Act generally requires an issuer of an asset-backed security or a person who organizes and initiates an asset-backed transaction (a "securitizer") to retain at least 5% of the risk associated with securitized mortgage loans, although in some cases the retained risk may be allocated between the securitizer and the mortgage originator. This risk retention requirement does not apply to a mortgage loan that is a "qualified residential mortgage," or a "QRM," or that is insured or guaranteed by the FHA or other specified Federal agencies.

The QRM regulations align the definition of a QRM loan with that of a QM loan. If, however, the QRM definition is changed (or the QM definition is amended) in a manner that is unfavorable to us, such as to give no consideration to mortgage insurance in computing LTV or to require a large down payment for a loan to qualify as a QRM, the attractiveness of originating and securitizing loans with lower down payments may be reduced, which may adversely affect the future demand for mortgage insurance. See "Risk Factors—Risks Relating to Regulation and Litigation—The amount of insurance we write could be adversely affected by the Dodd-Frank Act's risk retention requirements and the definition of Qualified Residential Mortgage ("QRM")."

Mortgage Servicing Rules

The Dodd-Frank Act amended and expanded upon mortgage servicing requirements under TILA and RESPA, Regulation Z (promulgated pursuant to TILA) and Regulation X (promulgated pursuant to RESPA) subsequently amended to conform these regulations accordingly. Included within these rules are new or enhanced requirements for handling escrow accounts, responding to borrower assertions of error and inquiries from borrower, special handling of loans that are in default, and loss mitigation in the event of borrower default. A provision of the required loss mitigation procedures prohibits the loan

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holder or servicer from commencing foreclosure until 120 days after the borrower's delinquency. Complying with the new rules could cause the servicing of mortgage loans to become more burdensome and costly than it had been prior to the implementation of these rules. As to servicing of mortgage loans covered by our insurance policies, these rules could contribute to delays in realization upon collateral and have an adverse impact on resolution of claims.

Homeowners Protection Act of 1998

The Homeowners Protection Act of 1998, or HOPA, provides for the automatic termination, or cancellation upon a borrower's request, of private mortgage insurance upon satisfaction of certain conditions. HOPA requires that lenders give borrowers certain notices with regard to the automatic termination or cancellation of mortgage insurance. These provisions apply to borrower-paid mortgage insurance for purchase money, refinance and construction loans secured by the borrower's principal dwelling. FHA and VA loans are not covered by HOPA. Under HOPA, automatic termination of mortgage insurance would generally occur when the mortgage is first scheduled to reach an LTV of 78% of the home's original value, assuming that the borrower is current on the required mortgage payments. A borrower who has a "good payment history," as defined by HOPA, may generally request cancellation of mortgage insurance when the LTV is first scheduled to reach 80% of the home's original value or when actual payments reduce the loan balance to 80% of the home's original value, whichever occurs earlier. If mortgage insurance coverage is not cancelled at the borrower's request or by the automatic termination provision, the mortgage servicer must terminate mortgage insurance coverage by the first day of the month following the date that is the midpoint of the loan's amortization, assuming the borrower is current on the required mortgage payments.

The GSEs have implemented certain guidelines that may provide more flexibility to certain borrowers to cancel BPMI than is otherwise required for such loans under HOPA. See "—Our Products and Services—Mortgage Insurance—Primary Mortgage Insurance" above.

Real Estate Settlement Procedures Act of 1974

Mortgage insurance generally may be considered to be a "settlement service" for purposes of RESPA under applicable regulations. Subject to limited exceptions, RESPA prohibits persons from giving or accepting anything of value in connection with the referral of a settlement service. RESPA authorizes the CFPB, the U.S. Department of Justice, state attorneys general and state insurance commissioners to bring civil enforcement actions, and also provides for criminal penalties and private rights of action. In the past, a number of lawsuits have challenged the actions of private mortgage insurers under RESPA, alleging that the insurers have violated the referral fee prohibition by entering into captive reinsurance arrangements or providing products or services to mortgage lenders at improperly reduced prices in return for the referral of mortgage insurance, including the provision of contract underwriting services. In addition to these private lawsuits, other private mortgage insurance companies have received "Civil Investigative Demands" from, and entered into consent orders with, the CFPB as part of its investigation to determine whether mortgage lenders and mortgage insurance providers engaged in acts or practices in connection with their captive mortgage insurance arrangements in violation of the RESPA, the Consumer Financial Protection Act and the Dodd-Frank Act. The CFPB’s ruling in its enforcement order against PHH Corporation for alleged RESPA violations stemming from captive mortgage insurance arrangements was overturned on appeal by a panel of the U.S. Court of Appeals for the D.C. Circuit, a decision affirmed in January 2018 by the D.C. Circuit en banc. Although we did not participate in the practices that were the subject of the CFPB consent orders or the PHH case, the private mortgage insurance industry and our insurance subsidiaries are subject to substantial Federal and state regulation. Increased Federal or state regulatory scrutiny could lead to new legal precedents, new regulations or new practices, or regulatory actions or investigations, which could adversely affect our financial condition and operating results.

SAFE Act (Mortgage Loan Originator Licensing)

The SAFE Act requires mortgage loan originators to be licensed and/or registered with the Nationwide Mortgage Licensing System and Registry, or the NMLS. The NMLS is a database established by the Conference of State Bank Supervisors and the American Association of Residential Mortgage Regulators. Among other things, the database was established to support the licensing of mortgage loan originators by each state. As part of this licensing and registration process, loan originators who are employees of institutions other than depository institutions or certain of their subsidiaries that are regulated by a Federal banking agency, must generally be licensed under the SAFE Act guidelines enacted by each state in which they engage in loan originator activities and registered with the NMLS. The SAFE Act generally prohibits employees of a depository institution (including certain of their subsidiaries that are regulated by a Federal banking agency) from originating residential mortgage loans without first registering with the NMLS and maintaining that registration. Certain of our underwriters are licensed pursuant to the SAFE Act.

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Privacy and Information Security

The Gramm-Leach-Bliley Act of 1999, or GLB, imposes privacy requirements on financial institutions, including obligations to protect and safeguard consumers' nonpublic personal information and records, and limitations on the re-use of such information. Federal regulatory agencies have issued the Interagency Guidelines Establishing Information Security Standards, or "Security Guidelines," and interagency regulations regarding financial privacy, or "Privacy Rule," implementing sections of GLB. The Security Guidelines establish standards relating to administrative, technical, and physical safeguards to ensure the security, confidentiality, integrity, and the proper disposal of consumer information. The Privacy Rule limits a financial institution's disclosure of nonpublic personal information to unaffiliated third parties unless certain notice requirements are met and the consumer does not elect to prevent or "opt out" of the disclosure. The Privacy Rule also requires that privacy notices provided to customers and consumers describe the financial institutions' policies and practices to protect the confidentiality and security of the information. With respect to our business, GLB is enforced by the U.S. Federal Trade Commission, or FTC, and state insurance regulators. Many states have enacted legislation implementing GLB and establishing information security regulation. Many states have enacted privacy and data security laws which impose compliance obligations beyond GLB, including obligations to protect social security numbers and provide notification in the event that a security breach results in a reasonable belief that unauthorized persons may have obtained access to consumer nonpublic information.

The New York Department of Financial Services, or NYDFS, has adopted a Cybersecurity Regulation that applies to all individuals and entities licensed by the NYDFS, pursuant to which licensees must file for exemption or submit an annual compliance certification. Several other jurisdictions in which we operate have enacted similar laws.

On January 1, 2020, the California Consumer Privacy Act, which we refer to as the "CCPA", became effective. The CCPA applies to any company that does business in California and meets certain threshold requirements. The CCPA creates a new privacy framework for covered businesses that collect, sell or disclose "personal information" of California consumers. The CCPA defines “personal information” broadly within five new categories of data privacy rights: the right to (1) know what personal information is being collected about them, whether their personal information is sold or disclosed and to whom; (2) access a copy of their personal information; (3) delete their personal information from business servers and service providers, unless it is necessary to maintain the information under enumerated exceptions; (4) opt out of the sale of their personal information to third parties; and (5) have equal access and service if they exercise their rights. The CCPA provides a limited private right of action for data breaches in non-encrypted or non-redacted form, including statutory or actual damages, and public enforcement by the California Attorney General for other violations. It is reasonably possible that the CCPA will prompt other state and federal regulators to move forward with new privacy regulations that could impact the businesses of us or our customers.

Fair Credit Reporting Act

The Fair Credit Reporting Act of 1970, as amended, or FCRA, imposes restrictions on the permissible use of credit report information. FCRA has been interpreted by some FTC staff and Federal courts to require mortgage insurance companies to provide "adverse action" notices to consumers in the event an application for mortgage insurance is declined or offered at less than the best available rate for the loan program applied for on the basis of a review of the consumer's credit. We provide such notices as required. Although we have not been involved, there has been class action litigation over these FCRA adverse action notices involving the mortgage insurance industry, including court-approved settlements.

Housing Finance Reform

Presently, the Federal government plays a dominant role in the U.S. housing finance system through the involvement of the GSEs and the FHA, VA and Ginnie Mae. There is broad policy consensus toward the need for private capital to play a larger role and government credit risk to be reduced. However, to date there has been a lack of consensus with regard to the specific changes necessary to return a larger role for private capital and how small the eventual role of government should become. Since the GSEs were placed into conservatorship in September 2008, there have been a wide ranging set of GSE and secondary market reform advocacy proposals put forward, including nearly complete privatization and elimination of the role of the GSEs, recapitalization of the GSEs and a number of alternatives that combine a Federal role with private capital, some of which eliminate the GSEs and others of which envision an ongoing role for the GSEs. Since 2011, a number of comprehensive GSE/secondary market legislative reform bills have also been introduced or discussed in the U.S. Congress, differing with regard to the future role of the GSEs, the overall structure of the secondary market and the role of the Federal government within the mortgage market. In addition, the size, complexity and centrality of the GSEs to the current housing finance system and the importance of housing to the economy make the transition to any new housing finance system difficult.

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On January 14, 2021, FHFA and the Treasury Department announced amendments to the preferred stock purchase agreements under which the Treasury Department acquired preferred equity in the GSEs in 2008. The amendments will allow each of the GSEs to continue to retain earnings for the foreseeable future, until they satisfy the requirements of the capital framework implemented for the GSEs in 2020 needed to exit conservatorship.

Any changes to the charters or statutory authorities of the GSEs would require Congressional action to implement. Congress, however, has not enacted any legislation to date. We believe that the continuing conservatorship of the GSEs by the FHFA makes it likely that the U.S. Congress will eventually address the role and purpose of the GSEs in the U.S. housing market and potentially legislate structural and other changes to the GSEs and the functioning of the secondary mortgage market. New Federal legislation could reduce the level of private mortgage insurance coverage used by the GSEs as credit enhancement, eliminate the requirement altogether or otherwise alter or eliminate the role of the GSEs, and thereby materially affect our ability to compete, demand for our products and the profitability of our business.

There can be no assurance that other Federal laws and regulations affecting these institutions and entities will not change, or that new legislation or regulations will not be adopted that will adversely affect the private mortgage insurance industry. See "Risk Factors—Risks Relating to Regulation and Litigation—Legislative or regulatory actions or decisions to change the role of the GSEs in the U.S. housing market generally, or changes to the charters of the GSEs with regard to the use of credit enhancements generally and private mortgage insurance specifically, could reduce our revenues or adversely affect our profitability and returns" and "—Changes in the business practices of the GSEs, including actions or decisions to decrease or discontinue the use of mortgage insurance or changes in the GSEs' eligibility requirements for mortgage insurers, could reduce our revenues or adversely affect our profitability and returns."

FHA Reform

We compete with the single-family mortgage insurance programs of the FHA, which is part of HUD. The most recent FHA report to Congress dated November 13, 2020 on the financial status of the FHA Mutual Mortgage Insurance Fund, or MMIF, showed the capital reserve ratio of the MMIF at 6.10%, above the Congressionally mandated required minimum level of 2%.

Federal Insurance Office

On December 9, 2013, the U.S. Department of the Treasury's Federal Insurance Office released a report entitled "How to Modernize and Improve the System of Insurance Regulation in the United States." This report, which was mandated by Title V of the Dodd-Frank Act, states that that mortgage insurance is "interconnected with other aspects of the federal housing finance system" and will be "an important component of any reform package as an alternative way to place private capital in front of any taxpayer risk." Given this role, the report recommends "national solvency and business practice standards" for mortgage insurers to ensure "confidence in the solvency and performance of housing finance." To the extent any such Federal oversight or standards as may be established exceed the current standards and oversight represented by the overlay of FHFA and GSE-driven eligibility requirements and the direct prudential and solvency regulatory and supervisory oversight of state insurance commissioners, it may adversely affect the results of our business operations.

Basel III

In 1988, the Basel Committee on Banking Supervision, which we refer to as the "Basel Committee," developed the Basel Capital Accord, which we refer to as "Basel I," which set out international benchmarks for assessing banks' capital adequacy requirements. In 2005, the Basel Committee issued Basel II, which, among other things, governs the capital treatment of mortgage insurance purchased and held on balance sheet by banks in respect of their origination and securitization activities. In July 2013, the Federal Reserve Board, the Office of the Comptroller of the Currency and the Federal Deposit Insurance Corporation approved publication of the Basel III Rules, which govern almost all U.S. banking organizations regardless of size or business model. The Basel III Rules revise and enhance the Federal banking agencies' general risk-based capital, advanced approaches and leverage rules. The Basel III Rules became effective on January 1, 2014, with a mandatory compliance date of January 1, 2015 for banking organizations other than advanced approaches banking organizations that are not savings and loan holding companies. On January 1, 2014, most banking organizations became required to begin a multi-year transition period to the full implementation of the new capital framework. The effective date and compliance period, and the beginning of the transitional period, was January 1, 2014 for advanced approaches banking organizations that are not savings and loan holding companies.

The Federal banking agencies' proposed rule to implement Basel III in the United States would have made extensive changes to the capital requirements for residential mortgages. In addition, the proposed rule would have eliminated existing

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capital recognition for certain low down payment mortgages if covered by mortgage insurance. After consideration of extensive comments with regard to the proposed capital rules for residential mortgages, the Federal banking agencies revised the Basel III Rules to retain the treatment for residential mortgage exposures under the general risk-based capital rules and the treatment of mortgage insurance. Consistent with such rules, the Basel III Rules assign a 50% or 100% risk weight to loans secured by one-to-four-family residential properties. Generally, residential mortgage exposures secured by a first lien on a one-to-four family residential property that are prudently underwritten and that are performing according to their original terms receive a 50% risk weighting. All other one-to-four family residential mortgage loans are assigned a 100% risk weight. The Basel III Rules continue to afford FHA-insured loans a lower risk weighting than low down payment loans insured with private mortgage insurance, and Ginnie Mae mortgage-backed securities are afforded a lower risk weighting than Fannie Mae and Freddie Mac mortgage-backed securities.

If implementation of the Basel III Rules increases the capital requirements of banking organizations with respect to the residential mortgages we insure, it could adversely affect the size of the portfolio lending market, which in turn would reduce the demand for our mortgage insurance. If the Federal banking agencies revise the Basel III Rules to reduce or eliminate the capital benefit banks receive from insuring low down payment loans with private mortgage insurance, or if our bank customers believe that such adverse changes may occur at some time in the future, our current and future business may be adversely affected. In addition, with regard to the separate Basel III Rules applicable to general credit risk mitigation for banking exposures, insurance companies engaged predominantly in the business of providing credit protection, such as private mortgage insurance companies, are not eligible guarantors, which could affect our business prospects. In addition, the Federal banking agencies established liquidity coverage ratio requirements in 2014 that require that certain “high quality liquid assets” be held against a total net cash outflow amount, which includes a bank’s potential outflow amounts based on loan commitments.

See "Risk Factors—Risks Relating to Regulation and Litigation—The implementation of the Basel III Capital Accord, or other changes to our customers' capital requirements, may discourage the use of mortgage insurance."

Bermuda Insurance Regulation

The Insurance Act 1978 of Bermuda and related regulations, as amended, or the Insurance Act, regulates the insurance business of our Bermuda-based reinsurance subsidiary, Essent Reinsurance Ltd., and provides that no person may carry on any insurance business in or from within Bermuda unless registered as an insurer under the Insurance Act by the Bermuda Monetary Authority, or the BMA. In deciding whether to grant registration, the BMA has broad discretion to act as it thinks fit in the public interest. The BMA is required by the Insurance Act to determine whether the applicant is a fit and proper body to be engaged in the insurance business and, in particular, whether it has, or has available to it, adequate knowledge and expertise to operate an insurance business. In addition, the BMA is required by the Insurance Act to determine whether a person who proposes to control 10%, 20%, 33% or 50% (as applicable) of the voting powers of a Bermuda-registered insurer or its parent company is a fit and proper person to exercise such degree of control.

The continued registration of an applicant as an insurer is subject to the applicant complying with the terms of its registration and such other conditions as the BMA may impose from time to time. The Insurance Act also grants to the BMA powers to supervise, investigate and intervene in the affairs of insurance companies.

The Insurance Act imposes on Bermuda insurance companies solvency and liquidity standards as well as auditing and reporting requirements. Certain significant aspects of the Bermuda insurance regulatory framework are set forth below.

Classification of Insurers

The Insurance Act distinguishes between insurers carrying on long-term business, insurers carrying on special purpose business and insurers carrying on general business. There are six classifications of insurers carrying on general business (Classes 1, 2, 3, 3A, 3B, and 4) with Class 1 insurers subject to the lightest regulation and Class 4 insurers subject to the strictest regulation.

Essent Reinsurance Ltd., which is incorporated in Bermuda to carry on general insurance and reinsurance business, is registered as a Class 3A insurer in Bermuda and is regulated as such under the Insurance Act. We are not, however, licensed in Bermuda to carry on long-term business. Long-term business broadly includes life insurance and disability insurance with terms in excess of five years. General business broadly includes all types of insurance that is not long-term business.

Cancellation of Insurer's Registration

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An insurer's registration may be cancelled by the BMA on certain grounds specified in the Insurance Act. Failure of the insurer to comply with its obligations under the Insurance Act, or if the BMA believes that the insurer has not been carrying on business in accordance with sound insurance principles, would be such grounds.

Principal Representative

An insurer is required to maintain a principal office in Bermuda and to appoint and maintain a principal representative in Bermuda. For the purpose of the Insurance Act, Essent Reinsurance Ltd.'s principal representative is Artex Risk Solutions and its principal office for these purposes is the offices of Artex. Without a reason acceptable to the BMA, an insurer may not terminate the appointment of its principal representative, and the principal representative may not cease to act as such, unless 30 days' notice in writing to the BMA is given of the intention to do so. It is the duty of the principal representative to forthwith notify the BMA where the principal representative believes there is a likelihood of the insurer (for which the principal representative acts) becoming insolvent or that a reportable "event" has, to the principal representative's knowledge, occurred or is believed to have occurred. Examples of such a reportable "event" include failure by the insurer to comply substantially with a condition imposed upon the insurer by the BMA relating to a solvency margin or a liquidity or other ratio. Within 14 days of such notification to the BMA, the principal representative must furnish the BMA with a written report setting out all the particulars of the case that are available to the principal representative.

Independent Approved Auditor

A Class 3A insurer must appoint an independent auditor who will annually audit and report on the insurer's financial statements prepared under generally accepted accounting principles or international financial reporting standards, statutory financial statements and statutory financial returns each of which are required to be filed annually with the BMA. The auditor must be approved by the BMA as the independent auditor of the insurer. If the insurer fails to appoint an approved auditor or at any time fails to fill a vacancy for such auditor, the BMA may appoint an approved auditor for the insurer and shall fix the remuneration to be paid to the approved auditor within 14 days, if not agreed sooner by the insurer and the auditor.

Loss Reserve Specialist

A Class 3A insurer is required to submit an opinion of its approved loss reserve specialist with its statutory financial return in respect of its losses and loss expenses provisions. The loss reserve specialist will normally be a qualified casualty actuary and must be approved by the BMA.

Annual Financial Statements

A Class 3A insurer is required to prepare annual GAAP financial statements and statutory financial statements. The Insurance Act prescribes rules for the preparation and substance of statutory financial statements (which include, in statutory form, a balance sheet, income statement, a statement of capital and surplus, and notes thereto). The statutory financial statements include detailed information and analysis regarding premiums, claims, reinsurance and investments of the insurer. An insurer is required to file with the BMA the annual GAAP financial statements and statutory financial statements within four months from the end of the relevant financial year (unless specifically extended). The statutory financial statements do not form part of the public records maintained by the BMA but the GAAP financial statements are available for public inspection.

Annual Statutory Financial Return

An insurer is required to file with the BMA a statutory financial return no later than four months after its financial year end (unless specifically extended). The statutory financial return includes, among other matters, a report of the approved independent auditor on the statutory financial statements of the insurer, a general business solvency certificate, the statutory financial statements themselves and the opinion of the loss reserve specialist. The principal representative and at least two directors of the insurer must sign the solvency certificate. The directors are required to certify whether the minimum solvency margin has been met, and the independent approved auditor is required to state whether in its opinion it was reasonable for the directors to so certify. Where an insurer's accounts have been audited for any purpose other than compliance with the Insurance Act, a statement to that effect must be filed with the statutory financial return. The statutory financial return is not available for public inspection.

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Minimum Solvency Margin, Enhanced Capital Requirement and Restrictions on Dividends and Distributions

A Class 3A insurer must maintain at all times a solvency margin and an enhanced capital requirement in accordance with the provisions of the Insurance Act. Each year the insurer is required to file with the BMA a capital and solvency return within four months of its relevant financial year end (unless specifically extended). The prescribed form of capital and solvency return comprises the insurer's Bermuda Solvency Capital Requirement model, a schedule of fixed income investments by rating categories, a schedule of net loss and loss expense provisions by line of business, a schedule of premiums written by line of business, a schedule of risk management and a schedule of fixed income securities.

The Insurance Act mandates certain actions and filings with the BMA if a Class 3A insurer fails to meet and/or maintain its enhanced capital requirement or solvency margin including the filing of a written report detailing the circumstances giving rise to the failure and the manner and time within which the insurer intends to rectify the failure. A Class 3A insurer is prohibited from declaring or paying a dividend if in breach of its enhanced capital requirement, solvency margin or minimum liquidity ratio or if the declaration or payment of such dividend would cause such a breach. Where an insurer fails to meet its solvency margin or minimum liquidity ratio on the last day of any financial year, it is prohibited from declaring or paying any dividends during the next financial year without the approval of the BMA. Class 3A insurers must obtain the BMA's prior approval for a reduction by 15% or more of the total statutory capital as set forth in its previous year's financial statements. These restrictions on declaring or paying dividends and distributions under the Insurance Act are in addition to those under the Companies Act which apply to all Bermuda companies.

Minimum Liquidity Ratio

The Insurance Act provides a minimum liquidity ratio for general business. An insurer engaged in general business is required to maintain the value of its relevant assets at not less than 75% of the amount of its relevant liabilities. Relevant assets include cash and time deposits, quoted investments, unquoted bonds and debentures, first liens on real estate, investment income due and accrued, accounts and premiums receivable and reinsurance balances receivable.

There are certain categories of assets which, unless specifically permitted by the BMA, do not automatically qualify as relevant assets, such as unquoted equity securities, investments in and advances to affiliates and real estate and collateral loans.

The relevant liabilities are total general business insurance reserves and total other liabilities less deferred income tax and sundry liabilities (by interpretation, those not specifically defined).

Supervision, Investigation and Intervention

The BMA may appoint an inspector with powers to investigate the affairs of an insurer if the BMA believes that an investigation is required in the interests of the insurer's policyholders or potential policyholders. In order to verify or supplement information otherwise provided to the inspector, the BMA may direct an insurer to produce documents or information relating to matters connected with its business.

An inspector may examine on oath any past or present officer, employee or insurance manager of the insurer under investigation in relation to its business and apply to the court in Bermuda for an order that other persons may also be examined on any matter relevant to the investigation. It shall be the duty of any insurer in relation to whose affairs an inspector has been appointed and of any past or present officer, employee or insurance manager of such insurer, to produce to the inspector on request all books, records and documents relating to the insurer under investigation which are in its or his custody or control and otherwise to give to the inspector all assistance in connection with the investigation which it or he is reasonably able to give.

If it appears to the BMA that there is a risk of an insurer becoming insolvent, or that it is in breach of the Insurance Act or any conditions imposed upon its registration, the BMA may, among other things, direct the insurer (1) not to take on any new insurance business, (2) not to vary any insurance contract if the effect would be to increase its liabilities, (3) not to make certain investments, (4) to realize certain investments, (5) to maintain or transfer to the custody of a specified bank, certain assets, (6) not to declare or pay any dividends or other distributions or to restrict the making of such payments, (7) to limit its premium income, (8) not to enter into any specified transaction with any specified persons or persons of a specified class, (9) to provide such written particulars relating to the financial circumstances of the insurer as the BMA thinks fit, (10) to obtain the opinion of a loss reserve specialist and to submit it to the BMA and (11) to remove a controller or officer.

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Disclosure of Information

In addition to powers under the Insurance Act to investigate the affairs of an insurer, the BMA may require certain information from an insurer (or certain other persons) to be produced to the BMA. Further, the BMA has been given powers to assist other regulatory authorities, including foreign insurance regulatory authorities, with their investigations involving insurance and reinsurance companies in Bermuda but subject to restrictions. For example, the BMA must be satisfied that the assistance being requested is in connection with the discharge of regulatory responsibilities of the foreign regulatory authority. Further, the BMA must consider whether cooperation is in the public interest. The grounds for disclosure are limited and the Insurance Act provides for sanctions for breach of the statutory duty of confidentiality.

Human Capital Management

We believe that attracting, developing and retaining quality employees is imperative to a successful and sustainable business model. We make significant investments in our employees, providing a wide range of continuing education opportunities to support their professional growth and success.

As of December 31, 2020, we had 381 employees, including 375 employees based in our Radnor, PA, Winston-Salem, NC, Irvine, CA locations or remotely throughout the United States, and 6 employees located in Hamilton, Bermuda. None of our employees are represented by a labor union and we consider our employee relations to be good. We also periodically engage contractors who provide services to us on a temporary basis.

We believe that our “do the right thing” culture has enabled us to average our approximately 95% retention rate over the past 10 years. We design compelling job opportunities, aligned with our mission, in a fast-paced, results-driven work environment. The process through which we recruit employees has an impact on the quality, diversity and timing of filling positions. Open positions may be filled internally through our internal posting process or externally through a combination of broadly available Internet job boards as well as college placement services, trade journals, newspapers and professional recruiting firms.

Employee engagement begins at the time of hire by paying a fair and livable wage and providing medical, dental, vision, prescription, life and long- and short-term disability coverage to full-time employees. We contribute generously to the retirement savings plans of our U.S.-based employees, with an immediately vested non-discretionary matching contribution to our 401(k) plan in an amount equal to 100% of up to the first 5% of an employee’s eligible compensation. We so strongly believe that all employees should make good decisions, do the right thing and act like owners that we have made all employees owners through a share grant program. As of December 31, 2020, over 90% of our current workforce have been granted awards for equity shares in our company.

We offer varied employee training, development, mentorship and leadership opportunities and encourage our employees to continue to develop in their careers. We provide compliance and job-related training to all newly hired employees, as well as annual compliance training, to ensure their ongoing success. We also provide many opportunities throughout the year to participate in sales, underwriting, risk management and other related training, as well as education around how to stay connected virtually and have held numerous classes around video conferencing options. We also have a tuition reimbursement program and offer certifications and professional training opportunities, including MBA certifications, Nationwide Multistate Licensing System & Registry (NMLS) continuing education for underwriters and other professional training in areas including but not limited to cybersecurity, risk, accountancy, actuarial sciences, human resources, underwriting, information technology, appraisals, marketing and project management.

We value honest and timely feedback. We use a third-party firm to periodically conduct anonymous employee-wide engagement surveys, as well as targeted “pulse” surveys, to identify areas of strength and opportunities for improvement and to ensure continued engagement and retention of our employees. Our most recent such survey had a 97% participation rate.

We believe a diverse and inclusive workforce provides for a broad array of viewpoints, talents and skills and assists in building a sustainable future, and we are focused on cultivating a diverse and inclusive culture where our employees can freely bring diverse perspectives and varied experiences to work. We seek to hire and retain highly talented employees and empower them to create value for our shareholders. In our employee recruitment and selection process and operation of our business, we adhere to equal employment opportunity policies and encourage the participation of our employees in training programs that will enhance their effectiveness in the performance of their duties. As of December 31, 2020, approximately 66% of our workforce was comprised of women and minorities.

The COVID-19 pandemic had a significant impact on our human capital management in 2020. A majority of our

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workforce worked remotely beginning in the first quarter. We reopened several of our office locations in September 2020 on a fully volunteer basis to provide our employees an in office option. We support a healthy work environment by implementing new Health Safety policies and practices including temperature scanning, face masks requirements, staggered shifts, upgraded cleaning practices, social distancing requirements and contact tracing. We did not furlough or conduct any employee layoffs due to the pandemic during the year.

For additional information, please see the section titled “Social Issues and Human Capital” in our 2020 Proxy Statement.

Corporate Structure

Essent Group Ltd. was organized as a limited liability company under the laws of Bermuda on July 1, 2008. Our registered office is located at Clarendon House, 2 Church Street, Hamilton HM11, Bermuda and our telephone number is (441) 297-9901. Our corporate website address is www.essentgroup.com. The information contained on, or accessible through, our corporate website does not constitute part of this Annual Report.

Our primary mortgage insurance operations are conducted through Essent Guaranty, Inc., a Pennsylvania-domiciled insurer which is a monoline insurance company licensed in all 50 states and the District of Columbia. We also have a wholly-owned Bermuda-domiciled reinsurer, Essent Reinsurance Ltd., which has a Class 3A insurance license issued by the Bermuda Monetary Authority.

Available Information

We file annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K and other information with the SEC. The SEC maintains an Internet web site that contains reports, proxy and information statements and other information regarding issuers, including us, that file electronically with the SEC. The address of that site is http://www.sec.gov. Our annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K and other information filed by us with the SEC are available, without charge, on our Internet web site, http://www.essentgroup.com, as soon as reasonably practicable after they are filed electronically with the SEC. Copies are also available, without charge, by writing to Secretary, Essent Group Ltd., Clarendon House, 2 Church Street, Hamilton HM11, Bermuda. The information on our website is not a part of this Annual Report on Form 10-K.

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ITEM 1A.    RISK FACTORS

Our current business and future results may be affected by a number of risks and uncertainties, including those described below. The risks and uncertainties described below are not the only risks and uncertainties we face. Additional risks and uncertainties not currently known to us or that we currently deem immaterial also may impair our business operations. If any of the following risks actually occur, our business, results of operations and financial condition could suffer. The risks discussed below also include forward-looking statements and our actual results may differ substantially from those discussed in these forward-looking statements.

Risks Relating to the COVID-19 Pandemic

The COVID-19 pandemic had a material impact on our 2020 financial results. While uncertain, the future impact of the COVID-19 pandemic on our business, results of operations, financial condition and liquidity may also be material. The extent to which the pandemic will continue to materially adversely affect our business, results of operations, financial condition and liquidity will depend on numerous evolving factors and future developments that we are not able to predict, including the duration and severity of the pandemic and the impact of virus mutations; the nature, extent and effectiveness of containment measures; the speed and effectiveness of U.S. vaccination efforts, the extent and duration of the effect on the economy, unemployment, consumer confidence and consumer and business spending; and the impact of government initiatives and actions taken by Fannie Mae and Freddie Mac (including implementation of mortgage forbearance and modification programs) to mitigate the economic harm caused by COVID-19.

Since the outbreak of the pandemic, there have been a number of governmental and GSE efforts to implement programs designed to assist individuals and businesses impacted by the virus. On March 27, 2020, the Coronavirus Aid, Relief and Economic Security Act, referred to as the CARES Act, was signed into law. The CARES Act provides financial assistance for businesses and individuals and targeted regulatory relief for financial institutions. Among many other things, the CARES Act suspends foreclosures and evictions for at least 60 days from March 18, 2020, on mortgages purchased or securitized by the GSEs, which moratorium has been extended by the GSEs through at least March 31, 2021 and may be further extended. In addition, the CARES Act provided for a requirement to offer payment forbearance on federally-backed mortgages to borrowers experiencing a hardship during the COVID-19 emergency. Forbearance under the CARES Act allows for a mortgage payment to be suspended for up to 360 days due to hardship caused by COVID-19. The CARES Act also provides for enhanced unemployment benefits and direct aid to individuals, among other things.

In addition, on December 27, 2020, the Consolidated Appropriations Act was signed into law, which contains a nearly $900 billion COVID-19 aid package, including cash payments to individuals, enhanced federal unemployment benefits and additional support for the paycheck protection program enacted under the CARES Act. In addition, the U.S. federal government, by executive order or legislation, may implement additional relief measures, including foreclosure relief measures, from time to time. Many U.S. states have also implemented similar measures relating to forbearance relief and foreclosure or eviction moratoria.

Fannie Mae and Freddie Mac, the primary purchasers of mortgages we insure, have adopted relief measures consistent with the CARES Act to assist borrowers impacted by COVID-19. Under forbearance plans announced by the GSEs and implemented by their servicers, eligible homeowners who are adversely impacted by COVID-19 are permitted to temporarily reduce or suspend their mortgage payments for up to 15 months for borrowers entering forbearance before the end of February 2021. The GSEs have announced that, at the end of the forbearance plan, the homeowner may not be required to pay back their reduced or suspended mortgage payments in one lump sum, but may be eligible for a number of different options offered by their mortgage servicer, including repayment plans, resuming normal payments or lowering the monthly loan payment through a modification. However, there can be no assurances that homeowners will be able to remain current on their mortgages once the forbearance period ends, and a significant percentage could ultimately default and result in a mortgage insurance claim despite the GSE and other programs. Moreover, the expiration or discontinuation of any governmental or GSE forbearance or foreclosure relief program could further exacerbate the financial condition of borrowers on loans we insure or economic conditions generally, which could have a material adverse effect our financial condition, results of operations or liquidity.

The COVID-19 pandemic and containment measures have contributed to, among other things:

•The risk that policy losses and loss adjustment expenses we ultimately incur as a result of COVID-19 and the related economic impact may be substantially different than the loss reserves established on our financial statements at the end of each period. In accordance with industry practice and statutory accounting rules applicable to mortgage guaranty insurance companies, we establish loss reserves only for loans reported to us in default, including forbearance-related defaults. These reserves are established using estimated claim rates and claim amounts in estimating the ultimate loss, which estimates are subject to significant uncertainty given the unprecedented nature and magnitude of the COVID-19

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pandemic. In addition, because our reserving method does not account for the impact of future losses that could occur from loans that are not yet delinquent, our obligation for ultimate losses that we expect to occur under our policies in force at any period end is not reflected in our financial statements, except in the case where a premium deficiency exists.

•A deterioration in the ability and willingness of homeowners to continue to make mortgage payments on loans that we insure, which could result in an increase in the amount of insurance regulatory and PMIERs capital we are required to hold for delinquent loans, including forbearance-related delinquencies, as well as an increase in claims ultimately made with respect to such mortgage loans. Mortgage delinquencies are typically affected by a variety of borrower-specific factors, such as job loss, illness, death and divorce, and macroeconomic factors, such as rising unemployment, market deterioration and home price depreciation, many of which are likely exacerbated by the COVID-19 pandemic.

•Changes to the PMIERs and related guidance from the GSEs, which have been amended as a result of the pandemic and may be subject to future amendment, such as extending disaster related capital charges to all loans in pandemic-related forbearance programs and other amendments that include restrictions on our mortgage insurance business, operations and capital position.

•Decreases in overall policy persistency and an increased level of mortgage loan refinancings, driven by historically low mortgage rates as a result of U.S. monetary policy following COVID-19 and other reasons, which could reduce the profitability of our insurance portfolio.

•Adverse impacts on capital, credit and reinsurance market conditions, which may limit our ability to acquire reinsurance or access traditional financing methods. Such adverse impacts may increase our cost of capital and affect our ability to meet liquidity needs.

•An increased strain on our risk management policies generally, including, but not limited to, the effectiveness and accuracy of our models, given the lack of data inputs and comparable precedent.

•An increased risk to the value of our investments and other assets, which has the potential to result in impairment charges.

•Adverse impacts on our daily business operations and our employees’ ability to perform necessary business functions, including as a result of illness or as a result of restrictions on movement.

•Adverse impacts on our costs structure, including the need for increased staffing in certain segments of our business, increased spending on our business continuity efforts, such as technology, and readiness efforts for returning to our offices, which may in turn limit our ability to make investments in other areas.

•An increased risk of an information or cyber-security incident, fraud, a failure to maintain the uninterrupted operation of our information systems or a failure in the effectiveness of our anti-money laundering and other compliance programs due to, among other things, an increase in remote work.

The above impacts of the COVID-19 pandemic and containment measures are likely to continue and in some cases, may worsen. The pandemic and containment measures may cause us to modify our strategic plans and business practices, and we may take further actions that we determine are in the best interests of our employees, customers and business partners. As a result of the above risks, COVID-19 could materially and adversely impact our business, results of operations, financial position and liquidity.

Risks Relating to the Operation of Our Business

Intense competition within the private mortgage insurance industry could result in the loss of customers, lower premiums, wider credit guidelines and other changes which could lower our revenues or raise our costs.

The private mortgage insurance industry is intensely competitive, with six private mortgage insurers currently approved and eligible to write business for the GSEs. We compete with other private mortgage insurers on the basis of pricing, terms and conditions, underwriting guidelines, loss mitigation practices, financial strength, reputation, customer relationships, service and other factors. One or more private mortgage insurers may seek increased market share from government-supported insurance programs, such as those sponsored by the FHA, or from other private mortgage insurers by reducing pricing, loosening their underwriting guidelines or relaxing their risk management practices, which could, in turn, improve their competitive position in

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the industry and negatively impact our level of new insurance written, or NIW. A decline in industry NIW might result in increased competition as certain private mortgage insurance companies may seek to maintain their NIW levels within a smaller market. In addition, the perceived increase in the credit quality of loans that currently are being insured, the relative financial strength of the existing mortgage insurance companies and the possibility of the private mortgage insurance market acquiring a greater share of the overall mortgage insurance market may encourage new entrants into the private mortgage insurance industry, which could further increase competition in our business.

Our revenues, profitability and returns would decline if we lose a significant customer.

Our mortgage insurance business depends on our relationships with our largest lending customers. Our top ten customers generated 35.8% of our NIW during year ended December 31, 2020, compared to 42.8% and 43.5% for the years ended December 31, 2019 and 2018, respectively. For the year ended December 31, 2020, no customer represented more than 10% of our consolidated revenues. Maintaining our business relationships and business volumes with our largest lending customers remains critical to the success of our business.

Our master policies do not, and by law cannot, require our customers to do business with us. Under the terms of our master policy, our customers, or the parties they designate to service the loans we insure, have the unilateral right to cancel our insurance coverage at any time for any loan that we insure. Upon cancellation of coverage, subject to the type of coverage, we may be required to refund unearned premiums, if any.

In addition, adverse macroeconomic conditions could subject customers to serious financial constraints that may jeopardize the viability of their business plans or their access to additional capital, forcing them to consider alternatives such as bankruptcy or consolidation with others in the industry. Other factors, such as rising interest rates, which could reduce mortgage origination volumes generally, rising costs associated with regulatory compliance and the relative cost of capital, may also result in consolidation among our customers. In the event our customers consolidate, they may revisit their relationships with individual private mortgage insurers, such as us, which could result in a loss of customers or a reduction in our business. The loss of business from a significant customer could have a material adverse effect on the amount of new business we are able to write, and consequently, our revenue, and we can provide no assurance that any loss of business from a significant customer would be replaced from other new or existing lending customers.

The amount of insurance we may be able to write could be adversely affected if lenders and investors select alternatives to private mortgage insurance.

We compete for business with alternatives to private mortgage insurance, consisting primarily of government-supported mortgage insurance programs as well as home purchase or refinancing alternatives that do not use any form of mortgage insurance.

Government-supported mortgage insurance programs include, but are not limited to federal mortgage insurance programs, including those offered by the FHA and VA, and state-supported mortgage insurance funds, including, but not limited to, those funds supported by the states of California and New York.

Alternatives to mortgage insurance include, but are not limited to:

•lenders and other investors holding mortgages in their portfolios and self-insuring;

•investors using other risk mitigation techniques in conjunction with reduced levels of private mortgage insurance coverage, or accepting credit risk without credit enhancement;

•mortgage sellers retaining at least a 10% participation in a loan or mortgage sellers agreeing to repurchase or replace a loan upon an event of default; and

•lenders originating mortgages using "piggyback structures" which avoid private mortgage insurance, such as a first mortgage with an 80% loan-to-value ratio and a second mortgage with a 10%, 15% or 20% loan-to-value ratio (referred to as 80-10-10, 80-15-5 or 80-20 loans, respectively) rather than a first mortgage with a 90%, 95% or 100% loan-to-value ratio that has private mortgage insurance.

Any of these alternatives to private mortgage insurance could reduce or eliminate the demand for our product, cause us to lose business or limit our ability to attract the business that we would prefer to insure. Government-supported mortgage insurance programs are not subject to the same capital requirements, risk tolerance or business objectives that we and other

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private mortgage insurance companies are, and therefore, generally have greater financial flexibility in setting their pricing, guidelines and capacity, which could put us at a competitive disadvantage. In addition, loans insured under FHA and other Federal government-supported mortgage insurance programs are eligible for securitization in Ginnie Mae securities, which may be viewed by investors as more desirable than Fannie Mae and Freddie Mac securities due to the explicit backing of Ginnie Mae securities by the full faith and credit of the U.S. Federal government.

Consequently, if the FHA or other government-supported mortgage insurance programs maintain or increase their share of the mortgage insurance market, our business could be affected. Factors that could cause the FHA or other government-supported mortgage insurance programs to maintain or increase their share of the mortgage insurance market include:

•a reduction in the premiums charged for government mortgage insurance or a loosening of underwriting guidelines;

•past and potential future capital constraints in the private mortgage insurance industry;

•increases in premium rates or tightening of underwriting guidelines by private mortgage insurers based on past loan performance or other risk concerns;

•increased levels of loss mitigation activity by private mortgage insurers on older vintage portfolios when compared to the more limited loss mitigation activities of government insurance programs;

•imposition of additional loan level delivery fees by the GSEs on loans that require mortgage insurance;

•increases in GSE guaranty fees and the difference in the spread between Fannie Mae mortgage-backed securities and Ginnie Mae mortgage-backed securities;

•the perceived operational ease of using government insurance compared to the products of private mortgage insurers;

•differences in the enforcement of program requirements by the FHA relative to the enforcement of policy terms by private entities;

•the implementation of new or the amendment of current regulations under the Dodd-Frank Act (particularly with respect to the Qualified Mortgage and Qualified Residential Mortgage rules) and the Basel III Rules, which may be more favorable to the FHA than to private mortgage insurers (see "Risks Related to Regulation and Litigation—Our business prospects and operating results could be adversely impacted if, and to the extent that, the Consumer Financial Protection Bureau's ("CFPB") final rule defining a qualified mortgage ("QM") reduces the size of the origination market or creates incentives to use government mortgage insurance programs", "Risks Related to Regulation and Litigation—The amount of insurance we write could be adversely affected by the implementation of the Dodd-Frank Act's risk retention requirements and the definition of Qualified Residential Mortgage ("QRM")" and "Risks Related to Regulation and Litigation—The implementation of the Basel III Capital Accord, or other changes to our customers' capital requirements, may discourage the use of mortgage insurance"); and

•increases in FHA loan limits above GSE loan limits.

Further, at the direction of the FHFA, the GSEs continue to expand their credit risk sharing programs. These programs have included the use of structured finance vehicles and off-shore reinsurance. The growth of these programs and the perception that some of these risk-sharing structures have beneficial features in comparison to private mortgage insurance (e.g. lower costs, reduced counterparty risk due to collateral on hand or more diversified insurance exposures) may create increased competition for mortgage insurance going forward on loans traditionally sold to the GSEs with private mortgage insurance. As part of their expanded risk sharing programs, the GSEs have also developed pilot programs to directly place mortgage insurance rather than have lenders place the mortgage insurance with private mortgage insurers. No assurances can be given that these practices may not be expanded to cover more loans traditionally insured by lenders with private mortgage insurance prior to sale to the GSEs, which could impact our business.

In addition, in the event that a government-supported mortgage insurance program in one of our markets reduces prices significantly or alters the terms and conditions of its mortgage insurance or other credit enhancement products in furtherance of political, social or other goals rather than a profit motive, we may be unable to compete in that market effectively, which could have an adverse effect on our business, financial condition and operating results.

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If the volume of low down payment home mortgage originations declines, the amount of insurance that we write could decline, which would reduce our revenues.

Our ability to write new business depends, among other things, on the origination volume of low down payment mortgages that require mortgage insurance. Factors that affect the volume of low down payment mortgage originations include:

•the level of home mortgage interest rates and the deductibility of mortgage interest and mortgage insurance for income tax purposes;

•the health of the domestic economy as well as conditions in regional and local economies;

•housing affordability;

•population trends, including the rate of household formation;

•the rate of home price appreciation, which in times of significant refinancing can affect whether refinance loans have loan-to-value ratios that require private mortgage insurance;

•government housing policies encouraging loans to borrowers that may need low down payment financing, such as first-time homebuyers;

•the extent to which the guaranty fees, loan-level price adjustments, credit underwriting guidelines and other business terms provided by the GSEs affect lenders' willingness to extend credit for low down payment mortgages;

•requirements for ability-to-pay determinations prior to extending credit as discussed below;

•restrictions on mortgage credit due to more stringent underwriting standards and the risk retention requirements for securitized mortgage loans affecting lenders as discussed below; and

•changes in the credit standards, premiums or other terms of obtaining FHA, VA or USDA insurance, which competes directly with private mortgage insurance.

If the volume of low down payment loan originations declines, then our ability to write new policies may suffer, and our revenue and results of operations may be negatively impacted.

We expect our claims to increase as our portfolio matures.

We believe that, based upon our experience and industry data, claims incidence for mortgage insurance is generally highest in the third through sixth years after loan origination. Although the claims experience on new insurance written by us since we began to write coverage in 2010 has been relatively favorable to date, we expect incurred losses and claims to increase as a greater amount of this book of insurance reaches its anticipated period of highest claim frequency. As a result of the significant decrease in our persistency rate in 2020 largely resulting from historically low interest rates precipitated by the economic impacts of the COVID-19 pandemic, approximately 70% of our aggregate insurance in force as of December 31, 2020 corresponds to policies we have written since January 1, 2019. The actual default rate and the average reserve per default that we experience as our portfolio matures is difficult to predict and is dependent on the specific characteristics of our current in-force book (including the credit score of the borrower, the loan-to-value ratio of the mortgage, geographic concentrations, etc.), as well as the profile of new business we write in the future. In addition, the default rate and the average reserve per default will be affected by future macroeconomic factors such as housing prices, interest rates and employment. Incurred losses and claims could be further increased in the future in the event of general economic weakness or decreases in housing values. An increase in the number or size of claims, compared to what we anticipate, could adversely affect our results of operations or financial conditions.

Because we establish loss reserves only upon a loan default rather than based on estimates of our ultimate losses on risk in force, losses may have a disproportionate adverse effect on our earnings in certain periods.

In accordance with industry practice and statutory accounting rules applicable to mortgage guaranty insurance companies, we establish loss reserves only for loans in default. Reserves are established for reported insurance losses and loss adjustment expenses based on when notices of default on insured mortgage loans are received. Reserves are also established for estimated losses incurred in connection with defaults that have not yet been reported. We establish reserves using estimated claim rates

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and claim amounts in estimating the ultimate loss. Because our reserving method does not account for the impact of future losses that could occur from loans that are not yet delinquent, our obligation for ultimate losses that we expect to occur under our policies in force at any period end is not reflected in our financial statements, except in the case where a premium deficiency exists. As a result, future losses may have a material impact on future results as defaults occur.

A downturn in the U.S. economy, a decline in the value of borrowers' homes from their value at the time their loans close and natural disasters, acts of terrorism or other catastrophic events may result in more homeowners defaulting and could increase our losses.

Losses result from events that reduce a borrower's ability to continue to make mortgage payments, such as increasing unemployment and whether the home of a borrower who defaults on his or her mortgage can be sold for an amount that will cover unpaid principal and interest and the expenses of the sale. In general, favorable economic conditions reduce the likelihood that borrowers will lack sufficient income to pay their mortgages and also favorably affect the value of homes, thereby reducing and in some cases even eliminating a loss from a mortgage default. Deterioration in economic conditions generally increases the likelihood that borrowers will not have sufficient income to pay their mortgages and can also adversely affect housing values, which in turn can decrease the willingness of borrowers with sufficient resources to make mortgage payments when the mortgage balance exceeds the value of the home. Housing values may decline even absent deterioration in economic conditions due to declines in demand for homes, which may result from changes in buyers' perceptions of the potential for future appreciation, restrictions on mortgage credit due to more stringent underwriting standards, liquidity issues affecting lenders or other factors, such as the phase-out of the mortgage interest deduction, reductions or elimination in the deductibility of mortgage insurance premiums or changes in the tax treatment of residential property. If our loss projections are inaccurate, our loss payments could materially exceed our expectations resulting in an adverse effect on our financial position and operating results. If economic conditions, such as employment and home prices, are less favorable than we expect, our premiums and underwriting standards may prove inadequate to shield us from a material increase in losses. In addition, natural disasters, such as hurricanes and floods, and acts of terrorism or other catastrophic events could result in increased claims against policies that we have written due to the impact that such events may have on the employment and income of borrowers and the value of affected homes, resulting in defaults on and claims under our policies. We cannot assure you that any strategies we may employ to mitigate the impact on us of such events, including limitations under our master policy on the payment of claims in certain circumstances where a property is damaged, the dispersal of our risk by geography and the potential use of third-party reinsurance structures, will be successful.

If interest rates decline, house prices appreciate or mortgage insurance cancellation requirements change, the length of time that our policies remain in force could decline and cause a decline in our revenue.

Generally, in each year, most of our premiums are from insurance that has been written in prior years. As a result, the length of time insurance remains in force, which is also generally referred to as persistency, is a significant determinant of our revenues. A lower level of persistency could reduce our future revenues. Our annual persistency rate was 60.1%, 77.5% and 84.9% at December 31, 2020, 2019 and 2018, respectively. The factors affecting the persistency of our insurance portfolio include:

•the level of current mortgage interest rates compared to the mortgage interest rates on the insurance in force, which affects the incentives of borrowers we have insured to refinance;

•the amount of equity in a home, as homeowners with more equity in their homes can generally more readily move to a new residence or refinance their existing mortgage;

•the rate at which homeowners sell their existing homes and move to new locations, generally referred to as housing turnover, with more rapid economic growth and stronger job markets tending to increase housing turnover;

•the mortgage insurance cancellation policies of mortgage investors along with the current values of the homes underlying the mortgages in the insurance in force; and

•the cancellation of borrower-paid mortgage insurance mandated by law based on the amortization schedule of the loan, which generally occurs sooner the lower the note rate of the insured loan.

Although interest rates are currently at historic lows primarily as a result of the economic impact of the COVID-19 pandemic, if interest rates rise, persistency is likely to increase, which may extend the average life of our insured portfolio and result in higher levels of future claims as more loans remain outstanding.

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The premiums we charge may not be adequate to compensate us for our liabilities for losses and, as a result, any inadequacy could materially affect our financial condition and results of operations.

Our mortgage insurance premium rates may not be adequate to cover future losses. We set premiums at the time a policy is issued based on a number of factors, including our expectations regarding likely mortgage performance over the expected life of the coverage as well as competition from other private mortgage insurers, government programs and other products. These expectations may prove to be incorrect. Generally, we cannot cancel mortgage insurance coverage or adjust renewal premiums during the life of a mortgage insurance policy. As a result, higher than anticipated claims generally cannot be offset by premium increases on policies in force or mitigated by our non-renewal or cancellation of insurance coverage. The premiums we charge, and the associated investment income, may not be adequate to compensate us for the risks and costs associated with the insurance coverage provided to customers. Should we wish to increase our premium rates, any such change would be prospectively applied to new policies written, and the changes would be subject to approval by state regulatory agencies, which may delay or limit our ability to increase our premium rates.

Our success depends, in part, on our ability to manage risks in our investment portfolio.

Our investment portfolio consists predominantly of investment-grade debt obligations. Our investments are subject to fluctuations in value as a result of broad changes in market conditions as well as risks inherent in particular securities. Changing market conditions could materially impact the future valuation of securities in our investment portfolio, which may cause us to impair, in the future, some portion of the value of those securities and which could have a significant adverse effect on our liquidity, financial condition and operating results.

Income from our investment portfolio is a source of cash flow to support our operations and make claim payments. If we, or our investment advisors, improperly structure our investments to meet those future liabilities or we have unexpected losses, including losses resulting from the forced liquidation of investments before their maturity, we may be unable to meet those obligations. Our investments and investment policies are subject to state insurance laws, which results in our portfolio being predominantly limited to highly rated fixed income securities. If interest rates rise above the rates on our fixed income securities, the market value of our investment portfolio would decrease. Any significant decrease in the value of our investment portfolio would adversely impact our financial condition.

In addition, compared to historical averages, interest rates and investment yields on highly rated investments have generally been low during the period in which we purchased the securities in our portfolio, which limits the investment income we can generate. We depend on our investments as a source of revenue, and a prolonged period of low investment yields would have an adverse impact on our revenues and could adversely affect our operating results.

We may be forced to change our investments or investment policies depending upon regulatory, economic and market conditions, and our existing or anticipated financial condition and operating requirements, including the tax position, of our business. Our investment objectives may not be achieved. Although our portfolio consists predominantly of investment-grade fixed income securities and complies with applicable regulatory requirements, the success of our investment activity and the value of our portfolio is affected by general economic conditions, which may adversely affect the markets for credit and interest-rate-sensitive securities, including the extent and timing of investor participation in these markets and the level and volatility of interest rates.

Because loss reserve estimates are subject to uncertainties and are based on assumptions that may be volatile, ultimate losses may be substantially different than our loss reserves.

We establish reserves using estimated claim rates and claim amounts in estimating the ultimate loss on delinquent loans. The estimated claim rates and claim amounts represent our best estimates of what we will actually pay on the loans in default as of the reserve date. Our master policy provides us the right to rescind or deny claims under certain circumstances. Our reserve calculations do not currently include any estimate for claim rescissions, but we may be required to do so at some later time to ensure that our reserves meet the requirements of accounting principles generally accepted in the United States.

The establishment of loss reserves is subject to inherent uncertainty and requires judgment by management. Our estimates of claim rates and claim sizes will be strongly influenced by prevailing economic conditions, such as current rates or trends in unemployment, housing price appreciation and/or interest rates, and our best judgments as to the future values or trends of these macroeconomic factors. If prevailing economic conditions deteriorate suddenly and/or unexpectedly, our estimates of loss reserves could be materially understated, which may adversely impact our financial condition and operating results. Changes to our estimates could result in a material impact to our results of operations, even in a stable economic environment, and there can be no assurance that actual claims paid by us will not be substantially different than our loss reserves.

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A downgrade in our financial strength ratings may adversely affect the amount of business that we write.

Financial strength ratings, which various ratings organizations publish as a measure of an insurance company's ability to meet contractholder and policyholder obligations, are important to maintain confidence in our products and our competitive position. A downgrade in our financial strength ratings, or the announced potential for a downgrade, could have an adverse effect on our financial condition and results of operations in many ways, including: (i) increased scrutiny of us and our financial condition by our customers, potentially resulting in a decrease in the amount of new insurance policies that we write; (ii) requiring us to reduce the premiums that we charge for mortgage insurance in order to remain competitive; and (iii) adversely affecting our ability to obtain reinsurance or to obtain reasonable pricing on reinsurance. A ratings downgrade could also increase our cost of capital and limit our access to the capital markets.

In addition, if the GSEs renew their historical focus on financial strength or other third-party credit ratings as components of their eligibility requirements for private mortgage insurers and do not set such requirements at a level that we can satisfy, or if as a result of a downgrade we would no longer comply with such rating requirements, our revenues and results of operations would be materially adversely affected. See "—Changes in the business practices of the GSEs, including actions or decisions to decrease or discontinue the use of mortgage insurance or changes in the GSEs' eligibility requirements for mortgage insurers, could reduce our revenues or adversely affect our profitability and returns" and "Business—Regulation—Direct U.S. Regulation—GSE Qualified Mortgage Insurer Requirements."

If servicers fail to adhere to appropriate servicing standards or experience disruptions to their businesses, our losses could unexpectedly increase.

We depend on reliable, consistent third-party servicing of the loans that we insure. Among other things, our mortgage insurance policies require our policyholders and their servicers to timely submit premium and monthly insurance in force and default reports and utilize commercially reasonable efforts to limit and mitigate loss when a loan is in default. If one or more servicers were to experience adverse effects to its business, such servicers could experience delays in their reporting and premium payment requirements. Without reliable, consistent third-party servicing, our insurance subsidiaries may be unable to correctly record new loans as they are underwritten, receive and process payments on insured loans and/or properly recognize and establish loss reserves on loans when a default exists or occurs but is not reported to us. In addition, if these servicers fail to limit and mitigate losses when appropriate, our losses may unexpectedly increase. Significant failures by large servicers or disruptions in the servicing of mortgage loans covered by our insurance policies would adversely impact our business, financial condition and operating results.

Furthermore, we have delegated to the GSEs, who have in turn delegated to most of their servicers, authority to accept modifications, short sales and deeds-in-lieu of foreclosure on loans we insure. Servicers are required to operate under protocols established by the GSEs in accepting these loss mitigation alternatives. We are dependent upon servicers in making these decisions and mitigating our exposure to losses. In some cases, loss mitigation decisions favorable to the GSEs may not be favorable to us, and may increase the incidence of paid claims. Inappropriate delegation protocols or failure of servicers to service in accordance with the protocols may increase the magnitude of our losses and have an adverse effect on our business, financial condition and operating results. Our delegation of loss mitigation decisions to the GSEs is subject to cancellation but exercise of our cancellation rights may have an adverse impact on our relationship with the GSEs and lenders.

Our delegated underwriting program may subject our mortgage insurance business to unanticipated claims.

In our mortgage insurance business, we enter into agreements with our customers that commit us to insure loans made by them using pre-established underwriting guidelines. Once we accept a customer into our delegated underwriting program, we generally insure a loan originated by that customer without re-confirming the customer followed our specified underwriting guidelines. Under this program, a customer could commit us to insure a material number of loans with unacceptable risk profiles before we discover the problem and terminate that customer's delegated underwriting authority or pursue other rights that may be available to us, such as our rights to rescind coverage or deny claims, which rights are limited by the terms of our master policy.

We face risks associated with our contract underwriting business.

We provide contract underwriting services for certain of our customers, including on loans for which we are not providing mortgage insurance. For substantially all of the existing loans that were originated through our contract underwriting services, we have agreed that if we make a material error in providing these services and the error leads to a loss for the

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customer, the customer may, subject to certain conditions and limitations, claim a remedy. Accordingly, we have assumed some risk in connection with providing these services. We also face regulatory and litigation risk in providing these services.

Our information technology systems may become outmoded, be temporarily interrupted or fail thereby causing us to fail to meet our customers' demands.

Our business is highly dependent on the effective operation of our information technology systems, which are vulnerable to damage or interruption from power outages, computer and telecommunications failures, computer viruses, cyber-attacks, security breaches, catastrophic events and errors in usage. Although we have disaster recovery and business continuity plans in place, we may not be able to adequately execute these plans in a timely fashion. Additionally, we may not satisfy our customers' requirements if we fail to invest sufficient resources in, or otherwise are unable to maintain and upgrade our information technology systems. Because we rely on our information technology systems for many critical functions, including connecting with our customers, if such systems were to fail or become outmoded, we may experience a significant disruption in our operations and in the business we receive, which could negatively affect our operating results, financial condition and profitability.

The security of our information technology systems may be compromised and confidential information, including non-public personal information that we maintain, could be improperly disclosed.

Our information technology systems may be vulnerable to physical or electronic intrusions, computer viruses or other attacks. As part of our business, we maintain large amounts of confidential information, including non-public personal information on consumers and our employees. Breaches in security could result in the loss or misuse of this information, which could, in turn, result in potential regulatory actions or litigation, including material claims for damages, interruption to our operations, damage to our reputation or otherwise have a material adverse effect on our business, financial condition and operating results. Although we believe that we have appropriate information security policies and systems in place in order to prevent unauthorized use or disclosure of confidential information, including non-public personal information, there can be no assurance that such use or disclosure will not occur.

We may not be able to collect all amounts due to us from reinsurers and reinsurance coverage may not be available to us in the future at commercially reasonable rates or at all.

We have ceded to third-party reinsurers and special purpose reinsurers funded through the issuance of insurance-linked notes certain risk that we have insured in order to limit our maximum net loss arising in periods of elevated claims as well as to claim reinsurance credit and capital relief under insurance laws applicable to us and the regulations of the GSEs. Although the reinsurers to which we have ceded such risk are liable to us to the extent of the ceded insurance, we remain liable as the direct insurer on all risks so reinsured. As a result, our reinsurance arrangements do not fully eliminate our obligation to pay claims, and we have assumed credit risk with respect to our ability to recover amounts due from our reinsurers. We may not be able to collect all amounts due to us from reinsurers, which could have a material adverse effect on our results of operations or financial condition. The availability and cost of reinsurance are subject to prevailing market conditions that are beyond our control. For example, reinsurance may be more difficult or costly to obtain following an economic downturn that results in a significant negative impact on the U.S. housing market. No assurances can be made that reinsurance will remain continuously available to us in amounts that we consider sufficient and at rates that we consider acceptable, which would cause us to increase the amount of risk we retain, reduce the amount of business we write or look for alternatives to reinsurance. If investors are unwilling to purchase, or to purchase at a reasonable price, insurance-linked notes that fund the type of special purpose reinsurers with which we have entered into reinsurance transactions, we may not be able to obtain reinsurance on business that we write in the future at a level consistent with the reinsurance we have obtained on our current business. This, in turn, could have a material adverse effect on our financial condition or results of operations.

Risks Relating to Regulation and Litigation

Legislative or regulatory actions or decisions to change the role of the GSEs in the U.S. housing market generally, or changes to the charters of the GSEs with regard to the use of credit enhancements generally and private mortgage insurance specifically, could reduce our revenues or adversely affect our profitability and returns.

The Department of the Treasury and the FHFA placed the GSEs into conservatorship in September 2008, putting regulatory and operational control of the GSEs under the auspices of the FHFA. Although we believe the FHFA's conservatorship was intended to be temporary, the GSEs have remained in conservatorship for over 12 years. During that time, there have been a wide-ranging set of GSE and secondary market reform advocacy proposals put forward, including nearly complete privatization of the mortgage market and elimination of the role of the GSEs, recapitalization of the GSEs and a set of

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alternatives that would combine a Federal role with private capital, some of which eliminate the GSEs and others which envision an ongoing role for the GSEs.

It remains unclear whether any of these legislative or regulatory reforms will be enacted or implemented. Any changes to the charters or statutory authorities of the GSEs would require Congressional action to implement. Passage and timing of any GSE reform legislation or incremental change is uncertain and could change through the legislative process, which could take time, making the actual impact on us difficult to predict. As a result of the uncertainty regarding resolution of the conservatorship of the GSEs and the proper structure of any new secondary mortgage market, as well as the Federal government's increased role within the housing market since the start of the recent financial crisis, we cannot predict how or when the role of the GSEs may change. In addition, the size, complexity and centrality of the GSEs to the current housing finance system and the importance of housing to the nation's economy make the transition to any new housing finance system difficult and present risks to market participants, including to us.

The charters of the GSEs currently require certain credit enhancement for low down payment mortgage loans in order for such loans to be eligible for purchase or guarantee by the GSEs, and lenders historically have relied on mortgage insurance to a significant degree in order to satisfy these credit enhancement requirements. Because the overwhelming majority of our current and expected future business is the provision of mortgage insurance on loans sold to the GSEs, if the charters of the GSEs are amended to change or eliminate the acceptability of private mortgage insurance in their purchasing practices, then our volume of new business and our revenue may decline significantly.

Changes to the statutory requirements of the FHFA's conservatorship of the GSEs, the elimination of the GSEs or the replacement of the GSEs with any successor entities or structures, or changes to the GSE charters would require Federal legislative action, which makes predicting the timing or substance of such changes difficult. As a result, it is uncertain what role the GSEs, the FHFA, the government and private capital, including private mortgage insurance, will play in the U.S. housing finance system in the future or the impact and timing of any such changes on the market and our business.

Changes in the business practices of the GSEs, including actions or decisions to decrease or discontinue the use of mortgage insurance or changes in the GSEs' eligibility requirements for mortgage insurers, could reduce our revenues or adversely affect our profitability and returns.

Changes in the business practices of the GSEs, which can be implemented by the GSEs at the FHFA's direction, could negatively impact our operating results and financial performance, including changes to:

•the level of coverage when private mortgage insurance is used to satisfy the GSEs' charter requirements on low down payment mortgages;

•the overall level of guaranty fees or the amount of loan level delivery fees that the GSEs assess on loans that require mortgage insurance;

•the GSEs' influence in the mortgage lender's selection of the mortgage insurer providing coverage and, if so, any transactions that are related to that selection;

•the underwriting standards that determine what loans are eligible for purchase by the GSEs, which can affect the volume and quality of the risk insured by the mortgage insurer;

•the terms on which mortgage insurance coverage can be cancelled before reaching the cancellation thresholds established by law;

•programs established by the GSEs intended to avoid or mitigate loss on insured mortgages and the circumstances in which mortgage servicers must implement such programs;

•the extent to which the GSEs establish requirements for mortgage insurers' rescission practices or rescission settlement practices with lenders;

•the size of loans that are eligible for purchase or guaranty by the GSEs, which if reduced or otherwise limited may reduce the overall level of business and the number of low down payment loans with mortgage insurance that the GSEs purchase or guaranty; and

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•requirements for a mortgage insurer to become and remain an approved eligible insurer for the GSEs, including, among other items, minimum capital adequacy targets, the credit received against such capital requirements for reinsurance, and the terms that the GSEs require to be included in mortgage insurance master policies for loans that they purchase or guaranty.

Effective for insurance applications received after October 1, 2014, the GSEs, in coordination with the FHFA, instituted minimum standards for mortgage insurer master policies, including standards relating to rescission rights. Pursuant to revised rules adopted by the GSEs for rescission relief, we implemented a new master policy effective March 1, 2020. The new master policy could result in us paying more claims than required under our prior master policy or could otherwise increase our operating costs. The imposition of standardized master policies may also make it more difficult for us to distinguish ourselves from our competitors on the basis of coverage terms. See "Business—Our Products and Services—Mortgage Insurance—Master Policy" above.

Fannie Mae and Freddie Mac, at the direction of the FHFA, implemented new coordinated Private Mortgage Insurer Eligibility Requirements, which we refer to as the "PMIERs," beginning in 2016. The PMIERs represent the standards by which private mortgage insurers are eligible to provide mortgage insurance on loans owned or guaranteed by Fannie Mae and Freddie Mac. The PMIERs include financial strength requirements incorporating a risk-based framework that require approved insurers to have a sufficient level of liquid assets from which to pay claims. The PMIERs also include enhanced operational performance expectations and define remedial actions that apply should an approved insurer fail to comply with these requirements. Revised PMIERs, which we refer to as "PMIERs 2.0," became effective on March 31, 2019. Future revisions to these eligibility requirements could negatively impact our ability to write mortgage insurance at our current levels, generate the returns we anticipate from our business or otherwise participate in the private mortgage insurance market at all. See "Business—Regulation—Direct U.S. Regulation—GSE Qualified Mortgage Insurer Requirements" above.

Our business prospects and operating results could be adversely impacted if, and to the extent that, the Consumer Financial Protection Bureau's ("CFPB") final rule defining a qualified mortgage ("QM") reduces the size of the origination market or creates incentives to use government mortgage insurance programs.

The Dodd-Frank Act established the CFPB to regulate the offering and provision of consumer financial products and services under Federal law, including residential mortgages, and generally requires creditors to make a reasonable, good faith determination of a consumer's ability-to-repay any consumer credit transaction secured by a dwelling prior to effecting such transaction. The CFPB is authorized to issue the regulations governing a good faith determination; the Dodd-Frank Act, however, provides a statutory presumption of eligibility of loans that satisfy the QM definition. The CFPB's final rule defining what constitutes a QM, which we refer to as the "QM Rule," a loan is deemed to be a QM if, among other factors:

•the term of the loan is less than or equal to 30 years;

•there are no negative amortization, interest only or balloon features;

•the lender properly documents the loan in accordance with the requirements;

•the total "points and fees" do not exceed certain thresholds, generally 3% of the total loan amount; and

•the total debt-to-income ratio of the borrower does not exceed 43%.

The QM Rule provides a "safe harbor" for QM loans with annual percentage rates, or APRs, below the threshold of 150 basis points over the Average Prime Offer Rate, or APOR, and a "rebuttable presumption" for QM loans with an APR above that threshold.

The Dodd-Frank Act separately granted statutory authority to HUD (for FHA-insured loans), the VA (for VA-guaranteed loans) and certain other government agency insurance programs to develop their own definitions of a qualified mortgage in consultation with CFPB. Under both the FHA's and the VA's QM standards, certain loans which would not qualify as QM loans in the conventional market would still be deemed to be QM loans if insured or guaranteed by FHA or VA. As a result, lenders may favor the use of FHA or VA insurance to achieve the legal protections of a making a QM loan through these agencies, even if the same loan could be made at the same or lower cost to the borrower using private mortgage insurance, which could adversely impact our business. To the extent that the other government agencies adopt their own definitions of a QM which are more favorable to lenders and mortgage holders than those applicable to the market in which we operate, our business may be adversely affected.

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In October 2020, the CFPB announced a final rule that would implement a previously temporary second category under the QM Rule, which we refer to as the "GSE Patch", for loans to be either (i) purchased or guaranteed by the GSEs while they are in conservatorship, which represents the overwhelming majority of our business, or (ii) insured by the FHA, the VA, the Department of Agriculture or the Rural Housing Service. The second category still requires that loans satisfy certain criteria, including the requirement that the loans are fully amortizing, have terms of 30 years or less and have points and fees representing 3% or less of the total loan amount.

On February 23, 2021, the CFPB announced that, in light of the economic dislocations resulting from the COVID-19 pandemic, it intends to issue a proposed rule to delay the implementation of the final QM Rule and the GSE Patch.

Failure to comply with the ability-to-repay requirement exposes a lender to substantial potential liability. As a result, we believe that the QM regulations may cause changes in the lending standards and origination practices of our customers. Under the QM Rule, mortgage insurance premiums that are payable by the consumer at or prior to consummation of the loan may be included in the calculation of points and fees, including our borrower-paid single premium products. To the extent the use of private mortgage insurance causes a loan not to meet the definition of a QM, the volume of loans originated with mortgage insurance may decline or cause a change in the mix of premium plans and therefore our profitability.

The amount of insurance we write could be adversely affected by the Dodd-Frank Act's risk retention requirements and the definition of Qualified Residential Mortgage ("QRM").

The Dodd-Frank Act requires an originator or issuer to retain a specified percentage of the credit risk exposure on securitized mortgages that do not meet the definition of QRM. As required by the Dodd-Frank Act, the Office of the Comptroller of the Currency, the Federal Reserve Board, the Federal Deposit Insurance Commission, the Federal Housing Finance Agency, the Securities and Exchange Commission and the Department of Housing and Urban Development adopted in 2015 a joint final rule implementing the Qualified Residential Mortgage, or QRM, which aligns the definition of a QRM loan with that of a QM loan. If, however, the QRM definition is changed (or if the QM definition is amended) in a manner that is unfavorable to us, such as to give no consideration to mortgage insurance in computing LTV or to require a large down payment for a loan to qualify as a QRM, the attractiveness of originating and securitizing loans with lower down payments may be reduced, which may adversely affect the future demand for mortgage insurance.

The implementation of the Basel III Capital Accord, or other changes to our customers' capital requirements, may discourage the use of mortgage insurance.

In 1988, the Basel Committee on Banking Supervision, which we refer to as the "Basel Committee," developed the Basel Capital Accord, which we refer to as "Basel I," which set out international benchmarks for assessing banks' capital adequacy requirements. In 2005, the Basel Committee issued an update to Basel I, which we refer to as "Basel II," which, among other things, governs the capital treatment of mortgage insurance purchased and held on balance sheet by banks in respect of their origination and securitization activities. In July 2013, the Federal Reserve Board, the Office of the Comptroller of the Currency and the Federal Deposit Insurance Corporation approved publication of final regulatory capital rules, which we refer to as the "Basel III Rules," which govern almost all U.S. banking organizations regardless of size or business model. The Basel III Rules revise and enhance the Federal banking agencies' general risk-based capital, advanced approaches and leverage rules. The Basel III Rules became effective on January 1, 2014, with a mandatory compliance date of January 1, 2015 for banking organizations other than advanced approaches banking organizations that are not savings and loans holding companies. On January 1, 2014, most banking organizations became required to begin a multi-year transition period to the full implementation of the new capital framework.

The Federal banking agencies' previously proposed Basel III rule would have made extensive changes to the capital requirements for residential mortgages, including eliminating capital recognition for certain low down payment mortgages covered by mortgage insurance. The Federal banking agencies decided to retain in the Basel III Rules the treatment for residential mortgage exposures that is currently set forth in the general risk-based capital rules and the treatment of mortgage insurance. In addition, with regard to the separate Basel III Rules applicable to general credit risk mitigation for banking exposures, insurance companies engaged predominantly in the business of providing credit protection, such as private mortgage insurance companies, are not eligible guarantors.

If implementation of the Basel III Rules increases the capital requirements of banking organizations with respect to the residential mortgages we insure, it could adversely affect the size of the portfolio lending market, which in turn would reduce the demand for our mortgage insurance. If the Federal banking agencies revise the Basel III Rules to reduce or eliminate the capital benefit banks receive from insuring low down payment loans with private mortgage insurance, or if our bank customers believe that such adverse changes may occur at some time in the future, our current and future business may be adversely

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affected. Furthermore, if mortgage insurance companies do not meet the requirements to be an eligible guarantor for purposes of general credit mitigation, our future business prospects may be adversely affected.

Our operating insurance and reinsurance subsidiaries are subject to regulation in various jurisdictions, and material changes in the regulation of their operations could adversely affect us.

Our insurance and reinsurance subsidiaries are subject to government regulation in each of the jurisdictions in which they are licensed or authorized to do business. Governmental agencies have broad administrative power to regulate many aspects of the insurance business, which may include trade and claim practices, accounting methods, premium rates, marketing practices, advertising, policy forms, and capital adequacy. These agencies are concerned primarily with the protection of policyholders rather than shareholders. Moreover, insurance laws and regulations, among other things:

•establish solvency requirements, including minimum reserves and capital and surplus requirements;

•determine the credit that we receive for reinsurance arrangements into which we enter;

•limit the amount of dividends, tax distributions, intercompany loans and other payments our insurance subsidiaries can make without prior regulatory approval; and

•impose restrictions on the amount and type of investments we may hold.

The NAIC examines existing state insurance laws and regulations in the United States. During 2012, the NAIC established a Mortgage Guaranty Insurance Working Group, which we refer to as the "MGIWG," to determine and make recommendations to the NAIC's Financial Condition Committee including, but not limited to, revisions to Statement of Statutory Accounting Principles (SSAP) No. 58 - Mortgage Guaranty Insurance. In December 2019, the MGIWG released a draft revised Mortgage Guaranty Insurance Model Act and proposed a risk-based mortgage guaranty capital model. If the NAIC were to adopt a revised Mortgage Guaranty Insurance Model Act as proposed, it may result in state legislatures enacting and implementing the revised provisions. We cannot predict the effect that any NAIC recommendations or proposed or future legislation or rule-making in the United States or elsewhere may have on our financial condition or operations.

If our Bermuda principal operating subsidiary becomes subject to insurance statutes and regulations in jurisdictions other than Bermuda or if there is a change in Bermuda law or regulations or the application of Bermuda law or regulations, there could be a significant and negative impact on our business.

Our primary reinsurance subsidiary, Essent Reinsurance Ltd., is a registered Bermuda Class 3A insurer pursuant to Section 4 of the Insurance Act 1978. As such, it is subject to regulation and supervision in Bermuda and is not licensed or admitted to do business in any jurisdiction except Bermuda. Generally, Bermuda insurance statutes and regulations applicable to Essent Reinsurance Ltd. are less restrictive than those that would be applicable if they were governed by the laws of any state in the United States. We do not presently intend for Essent Reinsurance Ltd. to be admitted to do business in the United States, the U.K. or any jurisdiction other than Bermuda. However, recent scrutiny of the insurance and reinsurance industry in the United States and other countries could subject Essent Reinsurance Ltd. to additional regulation in the future that may make it unprofitable or illegal to operate a reinsurance business through our Bermuda subsidiary. We cannot assure you that insurance regulators in the United States, the U.K. or elsewhere will not review the activities of Essent Reinsurance Ltd. or its subsidiaries or agents and assert that Essent Reinsurance Ltd. is subject to such jurisdiction's licensing requirements. If in the future Essent Reinsurance Ltd. becomes subject to any insurance laws of the United States or any state thereof or of any other jurisdiction, we cannot assure you that Essent Reinsurance Ltd. would be in compliance with such laws or that complying with such laws would not have a significant and negative effect on our business.

The process of obtaining licenses is very time consuming and costly, and Essent Reinsurance Ltd. may not be able to become licensed in jurisdictions other than Bermuda should we choose to do so. The modification of the conduct of our business that would result if we were required or chose to become licensed in certain jurisdictions could significantly and negatively affect our financial condition and results of operations. In addition, our inability to comply with insurance statutes and regulations could significantly and adversely affect our financial condition and results of operations by limiting our ability to conduct business as well as subject us to penalties and fines.

Because Essent Reinsurance Ltd. is a Bermuda company, it is subject to changes in Bermuda law and regulation that may have an adverse impact on our operations, including through the imposition of tax liability or increased regulatory supervision. Bermuda insurance statutes and the regulations, and policies of the BMA, require Essent Reinsurance Ltd. to, among other things:

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•maintain a minimum level of capital and surplus;

•maintain an enhanced capital requirement, general business solvency margins and a minimum liquidity ratio;

•restrict dividends and distributions;

•obtain prior approval regarding the ownership and transfer of shares;

•maintain a principal office and appoint and maintain a principal representative in Bermuda;

•file annual financial statements, an annual statutory financial return and an annual capital and solvency return; and

•allow for the performance of certain periodic examinations of Essent Reinsurance Ltd. and its financial condition.

These statutes and regulations may restrict Essent Reinsurance Ltd.'s ability to write insurance and reinsurance policies, distribute funds and pursue its investment strategy. In addition, Essent Reinsurance Ltd. is exposed to any changes in the political environment in Bermuda. The Bermuda insurance and reinsurance regulatory framework recently has become subject to increased scrutiny in many jurisdictions, including the U.K. As a result of the delay in implementation of Solvency II Directive 2009/138/EC ("Solvency II"), it is unclear when the European Commission will make a final decision on whether or not it will recognize the solvency regime in Bermuda to be equivalent to that laid down in Solvency II. While we cannot predict the future impact on our operations of changes in the laws and regulation to which we are or may become subject, any such changes could have a material adverse effect on our business, financial condition and results of operations.

The mortgage insurance industry is, and as a participant in that industry we are, subject to litigation and regulatory risk generally.

The mortgage insurance industry faces litigation risk in the ordinary course of operations, including the risk of class action lawsuits and administrative enforcement by Federal and state agencies. Consumers are bringing a growing number of lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers have been involved in class action litigation alleging violations of Section 8 of the Real Estate Settlement Procedures Act of 1974, or RESPA, and the Fair Credit Reporting Act, or FCRA. Section 8 of RESPA generally precludes mortgage insurers from paying referral fees to mortgage lenders for the referral of mortgage insurance business. This limitation also can prohibit providing services or products to mortgage lenders free of charge, charging fees for services that are lower than their reasonable or fair market value and paying fees for services that mortgage lenders provide that are higher than their reasonable or fair market value, in exchange for the referral of mortgage insurance business services. Violations of the referral fee limitations of RESPA may be enforced by the CFPB, HUD, the Department of Justice, state attorneys general and state insurance commissioners, as well as by private litigants in class actions. In the past, a number of lawsuits have challenged the actions of private mortgage insurers under RESPA, alleging that the insurers have violated the referral fee prohibition by entering into captive reinsurance arrangements or providing products or services to mortgage lenders at improperly reduced prices in return for the referral of mortgage insurance, including the provision of contract underwriting services. In addition to these private lawsuits, other private mortgage insurance companies have received civil investigative demands from, and entered into consent orders with, the CFPB as part of its investigation to determine whether mortgage lenders and mortgage insurance providers engaged in acts or practices in connection with their captive mortgage insurance arrangements in violation of RESPA, the Consumer Financial Protection Act and the Dodd-Frank Act. The CFPB’s ruling in its enforcement order against PHH Corporation for alleged RESPA violations stemming from captive mortgage insurance arrangements was overturned on appeal by a panel of the U.S. Court of Appeals for the D.C. Circuit, a decision affirmed in January 2018 by the D.C. Circuit en banc. Although we did not participate in the practices that were the subject of the CFPB consent orders or the PHH case, the private mortgage insurance industry and our insurance subsidiaries are subject to substantial Federal and state regulation. Increased Federal or state regulatory scrutiny could lead to new legal precedents, new regulations or new practices, or regulatory actions or investigations, which could adversely affect our financial condition and operating results.

Risks Relating to Taxes and Our Corporate Structure

We and our non-U.S. subsidiaries may become subject to U.S. Federal income and branch profits taxation.

Essent Group Ltd. and Essent Reinsurance Ltd. intend to operate their business in a manner that will not cause them to be treated as engaged in a trade or business in the United States and, thus, will not be required to pay U.S. Federal income and branch profits taxes (other than U.S. excise taxes on insurance and reinsurance premium and withholding taxes on certain U.S.

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source investment income, and dividends paid from U.S. subsidiaries) on their income. However, because there is uncertainty as to the activities which constitute being engaged in a trade or business in the United States, there can be no assurances that the U.S. Internal Revenue Service (the "IRS") will not contend successfully that Essent Group Ltd. or its non-U.S. subsidiaries are engaged in a trade or business in the United States. In addition, Section 845 of the Internal Revenue Code of 1986, as amended (the "Code"), was amended in 2004 to permit the IRS to reallocate, recharacterize or adjust items of income, deduction or certain other items related to a reinsurance contract between related parties to reflect the proper "amount, source or character" for each item (in contrast to prior law, which only covered "source and character"). Any U.S. Federal income and branch profits taxes levied upon earnings from our Bermuda operations could materially adversely affect our shareholders' equity and earnings.

Holders of 10% or more of our common shares may be subject to U.S. income taxation under the "controlled foreign corporation" ("CFC") rules.

The Tax Cuts and Jobs Act of 2017 (“TCJA”) contains substantial law changes to the CFC rules, and such changes could impact our shareholders under certain circumstances summarized below.

If you are a "10% U.S. Shareholder" (defined to be a "U.S. Person" (as defined below) who owns (directly, or indirectly through non-U.S. entities or "constructively," as defined below) at least 10% of the total combined value or voting power of all classes of stock) of a non-U.S. corporation that is a CFC at any time during a taxable year and you own shares in such non-U.S. corporation directly or indirectly through non-U.S. entities on the last day of the non-U.S. corporation's taxable year on which it is a CFC, you must include in your gross income for U.S. Federal income tax purposes your pro rata share of the CFC's "subpart F income," even if the subpart F income is not distributed. Also, due to attribution rule changes contained in TCJA, the Company believes that, based upon ownership of its U.S. subsidiaries, its foreign reinsurer (Essent Reinsurance Ltd.) will be deemed a CFC. Accordingly, any shareholder who becomes a “10% U.S. Shareholder” at any time during the calendar year, by either vote or value will be subject to a "Subpart F income" inclusion on a per share per day basis. Subpart F income of a non-U.S. insurance corporation typically includes "foreign personal holding company income" (such as interest, dividends and other types of passive income), as well as insurance and reinsurance income (including underwriting and investment income).

For purposes of this discussion, the term "U.S. Person" means: (i) an individual citizen or resident of the United States, (ii) a partnership or corporation, created in or organized under the laws of the United States, or organized under the laws of any political subdivision thereof, (iii) an estate the income of which is subject to U.S. Federal income taxation regardless of its source, (iv) a trust if either (x) a court within the United States is able to exercise primary supervision over the administration of such trust and one or more U.S. Persons have the authority to control all substantial decisions of such trust or (y) the trust has a valid election in effect to be treated as a U.S. Person for U.S. Federal income tax purposes; or (v) any other person or entity that is treated for U.S. Federal income tax purposes as if it were one of the foregoing.

U.S. Persons who hold our shares may be subject to U.S. income taxation at ordinary income rates on their proportionate share of our "related party insurance income" ("RPII").

If the RPII (determined on a gross basis) of Essent Reinsurance Ltd. were to equal or exceed 20% of Essent Reinsurance Ltd.'s gross insurance income in any taxable year and direct or indirect policyholders (and persons related to those policyholders) own directly or indirectly through entities 20% or more of the voting power or value of the Company, then a U.S. Person who owns any shares of Essent Reinsurance Ltd. (directly or indirectly through non-U.S. entities) on the last day of the taxable year on which it is an RPII CFC would be required to include in its income for U.S. Federal income tax purposes such person's pro rata share of Essent Reinsurance Ltd.'s RPII for the entire taxable year, determined as if such RPII were distributed proportionately only to U.S. Persons at that date regardless of whether such income is distributed, in which case your investment could be materially adversely affected. In addition, any RPII that is includible in the income of a U.S. tax-exempt organization may be treated as unrelated business taxable income. The amount of RPII earned by a non-U.S. insurance subsidiary (generally, premium and related investment income from the indirect or direct insurance or reinsurance of any direct or indirect U.S. holder of shares or any person related to such holder) will depend on a number of factors, including the identity of persons directly or indirectly insured or reinsured by the company. We do not expect gross RPII of Essent Reinsurance Ltd. to equal or exceed 20% of its gross insurance income in any taxable year for the foreseeable future, but we cannot be certain that this will be the case because some of the factors which determine the extent of RPII may be beyond our control.

U.S. Persons who dispose of our shares may be subject to U.S. Federal income taxation at the rates applicable to dividends on a portion of such disposition.

Section 1248 of the Code in conjunction with the RPII rules provides that if a U.S. Person disposes of shares in a non-U.S. corporation that earns insurance income in which U.S. Persons own 25% or more of the shares (even if the amount of gross RPII is less than 20% of the corporation's gross insurance income or the ownership of its shares by direct or indirect policyholders and related persons is less than the 20% threshold), any gain from the disposition will generally be treated as a

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dividend to the extent of the holder's share of the corporation's undistributed earnings and profits that were accumulated during the period that the holder owned the shares (whether or not such earnings and profits are attributable to RPII). In addition, such a holder will be required to comply with certain reporting requirements, regardless of the amount of shares owned by the holder. These RPII rules should not apply to dispositions of our shares because the Company will not itself be directly engaged in the insurance business. The RPII provisions, however, have never been interpreted by the courts or the U.S. Treasury in final regulations, and regulations interpreting the RPII provisions of the Code exist only in proposed form. It is not certain whether these regulations will be adopted in their proposed form or what changes or clarifications might ultimately be made thereto or whether any such changes, as well as any interpretation or application of the RPII rules by the IRS, the courts, or otherwise, might have retroactive effect. The U.S. Treasury has authority to impose, among other things, additional reporting requirements with respect to RPII. Accordingly, the meaning of the RPII provisions and the application thereof to us is uncertain.

U.S. Persons who hold our shares will be subject to adverse tax consequences if we are considered to be a passive foreign investment company ("PFIC") for U.S. Federal income tax purposes.

The TCJA contains substantial law changes to the PFIC rules, and such changes could impact our shareholders under certain circumstances summarized below.

Due to changes to the PFIC rules contained in the TCJA, we believe that Essent Reinsurance Ltd. is a PFIC, and any U.S. Person directly owning shares in Essent Reinsurance Ltd. could be subject to adverse tax consequences. However, as 100% of the shares of Essent Reinsurance Ltd. are owned by Essent Group Ltd., based upon the current relative value of its U.S. subsidiaries vs. foreign subsidiaries, management believes that Essent Group Ltd. is not currently a PFIC. However, in the event that future business circumstances (i.e. relative value changes) and/or tax law changes occur, Essent Group Ltd. may be considered a PFIC. Management has operated, and intends to continue to operate, in a manner such as to avoid Essent Group Ltd. being deemed a PFIC based upon relative value of its subsidiaries; however, there can be no guaranty that management will be successful in the future. If Essent Group Ltd. is considered a PFIC, then any U.S. Person who owns any of our shares could be subject to adverse tax consequences, including becoming subject to a greater tax liability than might otherwise apply and to tax on amounts in advance of when tax would otherwise be imposed, in which case your investment could be materially adversely affected. In addition, if Essent Group Ltd. were considered a PFIC, upon the death of any U.S. individual owning shares, such individual's heirs or estate would not be entitled to a "step-up" in the basis of the shares that might otherwise be available under U.S. Federal income tax laws.

We believe that Essent Group Ltd. is not, has not been, and currently does not expect to become, a PFIC for U.S. Federal income tax purposes. New PFIC regulations have been recently made final; however, such regulations do not materially impact the manner in which Essent Group Ltd. conducts its PFIC testing, nor the outcome of such testing. These new final regulations are generally effective for tax years of US shareholders beginning on or after January 1, 2022. In addition to the final regulations, newly proposed PFIC regulations were issued, which among other provisions, would limit the amount of assets of a U.S. insurance subsidiary, which are deemed allowable in the overall PFIC asset test of a foreign holding company. We cannot predict the likelihood of finalization of the newly proposed PFIC regulations or the ultimate scope, nature, and impact of such regulations. There can be no assurance that such new regulations when adopted will not adversely impact Essent Group Ltd.'s PFIC status or U.S. Persons owning Essent Group Ltd. shares. If Essent Group Ltd. were considered a PFIC, it would have material adverse tax consequences for an investor that is subject to U.S. Federal income taxation.

U.S. tax-exempt organizations who own our shares may recognize unrelated business taxable income.

A U.S. tax-exempt organization may recognize unrelated business taxable income if a portion of the insurance income of any of our non-U.S. insurance subsidiaries is allocated to the organization, which generally would be the case if the tax-exempt shareholder is a 10% U.S. Shareholder or if there is RPII, and certain exceptions do not apply, and the tax-exempt organization owns any of our shares. Although we do not believe that any U.S. Persons should be allocated such insurance income, we cannot be certain that this will be the case. U.S. tax-exempt investors are advised to consult their own tax advisors.

There is the potential foreign bank account reporting and reporting of "Specified Foreign Financial Assets."

U.S. Persons holding our common shares should consider their possible obligation to file a FinCEN Form 114, Report of Foreign Bank and Financial Accounts with respect to their shares. Additionally, such U.S. and non-U.S. persons should consider their possible obligations to annually report certain information with respect to us with their U.S. Federal income tax returns. Shareholders should consult their tax advisors with respect to these or any other reporting requirement which may apply with respect to their ownership of our common shares.

Reduced tax rates for qualified dividend income may not be available in the future.

We believe that the dividends paid on the common shares should qualify as "qualified dividend income" if, as is intended, our common shares remain listed on a national securities exchange and we are not a PFIC. Qualified dividend income received

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by non-corporate U.S. Persons is generally eligible for long-term capital gain rates. There has been proposed legislation before the U.S. Senate and House of Representatives that would exclude shareholders of certain foreign corporations from this advantageous tax treatment. If such legislation were to become law, non-corporate U.S. Persons would no longer qualify for the reduced tax rate on the dividends paid by us.

Proposed U.S. tax legislation could have an adverse impact on us or holders of our common shares.

It is possible that legislation could be introduced and enacted by the current Congress or future Congresses that could have an adverse impact on us or holders of our common shares. It is also possible that Treasury Regulations, and/or IRS administrative rulings could be written under the TCJA that could have an adverse impact on the Company or the holders of our common shares. We cannot be certain if, when or in what form such Treasury Regulations or IRS administrative pronouncements may be provided and whether such guidance will have a retroactive effect, and/or a negative impact upon an investor subject to U.S. taxation.

The TCJA contains provisions intended to eliminate certain perceived tax advantages of companies (including insurance companies) that have legal domiciles outside the United States but have certain affiliate transactions, U.S. connections, and/or United States persons investing in such companies. For example, the TCJA includes a base erosion anti-abuse tax or “BEAT” that could make certain levels of affiliate reinsurance between United States and non-U.S. members of our group economically unfeasible. Although we are not currently impacted by BEAT, there can be no assurance that changes to future taxable income calculations or future changes to BEAT will not have a negative impact on us. Further, it is possible that other legislation could be introduced and enacted by the current Congress or future Congresses that could adversely impact us.

Our holding company structure and certain regulatory and other constraints, including adverse business performance, could negatively impact our liquidity and potentially require us to raise more capital.

Essent Group Ltd. serves as the holding company for our insurance and other subsidiaries and does not have any significant operations of its own. As a result, its principal source of funds is income from our investment portfolio, dividends and other distributions from our insurance and other subsidiaries, including permitted payments under our expense-sharing arrangements, and funds that may be raised from time to time in the capital markets. Our dividend income is limited to upstream dividend payments from our insurance and other subsidiaries, which may be restricted by applicable state insurance laws. Under Pennsylvania law, our insurance subsidiaries may pay ordinary dividends without prior approval of the Pennsylvania Insurance Commissioner (the "Commissioner"), but are not permitted to pay extraordinary dividends without the prior approval of the Commissioner. An extraordinary dividend is a dividend or distribution which, together with other dividends and distributions made within the preceding 12 months, exceeds the greater of (i) 10% of our surplus as shown in our last annual statement on file with the Commissioner, or (ii) our net income for the period covered by such statement, but shall not include pro rata distributions of any class of our own securities. Moreover, under Pennsylvania law, dividends and other distributions may only be paid out of unassigned surplus unless approved by the Commissioner. Our primary operating subsidiary, Essent Guaranty, Inc., had unassigned surplus of approximately $343.6 million as of December 31, 2020. In addition, Essent Guaranty of PA, Inc. had unassigned surplus of approximately $15.4 million as of December 31, 2020. For further information, see Note 11 to our consolidated financial statements entitled "Dividends Restrictions" included elsewhere in this Annual Report.

Our ability to pay dividends is dependent on our receipt of dividends and other funds from our subsidiaries.

Essent Group Ltd. is a holding company. As a result, our ability to pay dividends on our common shares in the future will depend on the earnings and cash flows of our operating subsidiaries and the ability of those subsidiaries to pay dividends or to advance or repay funds to it. This ability is subject to general economic, financial, competitive, regulatory and other factors beyond our control. Furthermore, our subsidiaries are restricted by state insurance laws and regulations from declaring dividends to us. Our subsidiaries are also restricted by state insurance laws and regulations from declaring dividends to us. See "Risks Related to Taxes and Our Corporate Structure—Our holding company structure and certain regulatory and other constraints, including adverse business performance, could negatively impact our liquidity and potentially require us to raise more capital." Accordingly, our operating subsidiaries may not be able to pay dividends up to Essent Group Ltd. in the future, which could prevent us from paying dividends on our common shares.

Holders of our shares may have difficulty effecting service of process on us or enforcing judgments against us in the United States.

We are a Bermuda exempted company. As a result, the rights of holders of our common shares are governed by Bermuda law and our memorandum of association and bye-laws. The rights of shareholders under Bermuda law may differ from the rights of shareholders of companies incorporated in other jurisdictions. Certain of our directors are not residents of the United

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States, and a substantial portion of our assets are owned by subsidiaries domiciled outside the United States. As a result, it may be difficult for investors to effect service of process on those persons in the United States or to enforce in the United States judgments obtained in U.S. courts against us or those persons based on the civil liability provisions of the U.S. securities laws. It is doubtful whether courts in Bermuda will enforce judgments obtained in other jurisdictions, including the United States, against us or our directors or officers under the securities laws of those jurisdictions or entertain actions in Bermuda against us or our directors or officers under the securities laws of other jurisdictions.

We may repurchase a shareholder's common shares without the shareholder's consent.

Under our bye-laws and subject to Bermuda law, we have the option, but not the obligation, to require a shareholder to sell to us at fair market value the minimum number of common shares which is necessary to avoid or cure any adverse tax consequences or materially adverse legal or regulatory treatment to us, our subsidiaries or our shareholders if our board of directors reasonably determines, in good faith, that failure to exercise our option would result in such adverse consequences or treatment.

Provisions in our bye-laws may reduce or increase the voting rights of our shares.

In general, and except as provided under our bye-laws and as provided below, our shareholders have one vote for each common share held by them and are entitled to vote, on a non-cumulative basis, at all meetings of shareholders. However, if, and so long as, the shares of a shareholder are treated as "controlled shares" (as determined pursuant to sections 957 and 958 of the Code) of any U.S. Person that owns shares directly or indirectly through non-U.S. entities) and such controlled shares constitute 9.5% or more of the votes conferred by our issued shares, the voting rights with respect to the controlled shares owned by such U.S. Person will be limited, in the aggregate, to a voting power of less than 9.5%, under a formula specified in our bye-laws. The formula is applied repeatedly until the voting power of all 9.5% U.S. Shareholders has been reduced to less than 9.5%. In addition, our board of directors may limit a shareholder's voting rights when it deems it appropriate to do so to (i) avoid the existence of any 9.5% U.S. Shareholder; and (ii) avoid certain material adverse legal or regulatory consequences to us, any of our subsidiaries or any direct or indirect shareholder or its affiliates. The amount of any reduction of votes that occurs by operation of the above limitations will generally be reallocated proportionately among our other shareholders whose shares were not "controlled shares" of the 9.5% U.S. Shareholder so long as such reallocation does not cause any person to become a 9.5% U.S. Shareholder.

Under these provisions, certain shareholders may have their voting rights limited, while other shareholders may have voting rights in excess of one vote per share. Moreover, these provisions could have the effect of reducing the votes of certain shareholders who would not otherwise be subject to the 9.5% limitation by virtue of their direct share ownership.

We are authorized under our bye-laws to request information from any shareholder for the purpose of determining whether a shareholder's voting rights are to be reallocated under the bye-laws. If any holder fails to respond to this request or submits incomplete or inaccurate information, we may, in our sole discretion, eliminate the shareholder's voting rights.

There are regulatory limitations on the ownership and transfer of our common shares.

Common shares may be offered or sold in Bermuda only in compliance with the provisions of the Companies Act and the Bermuda Investment Business Act 2003, which regulates the sale of securities in Bermuda. In addition, the BMA must approve all issues and transfers of shares of a Bermuda exempted company. However, the BMA has pursuant to its statement of June 1, 2005 given its general permission under the Exchange Control Act 1972 (and related regulations) for the issue and free transfer of our common shares to and among persons who are non-residents of Bermuda for exchange control purposes as long as the shares are listed on an appointed stock exchange, which includes the New York Stock Exchange. This general permission would cease to apply if the Company were to cease to be so listed. We have obtained consent under the Bermuda Exchange Control Act 1972 (and its related regulations) from the BMA for the issue and transfer of our common shares to and between residents and non-residents of Bermuda for exchange control purposes provided our common shares remain listed on an appointed stock exchange, which includes the NYSE. Bermuda insurance law requires that any person who becomes a holder of at least 10%, 20%, 33% or 50% of the common shares of an insurance or reinsurance company or its parent company must notify the BMA in writing within 45 days of becoming such a holder or 30 days from the date they have knowledge of having such a holding, whichever is later. The BMA may, by written notice, object to a person holding 10%, 20%, 33% or 50% of our common shares if it appears to the BMA that the person is not fit and proper to be such a holder. The BMA may require the holder to reduce their shareholding in us and may direct, among other things, that the voting rights attaching to their shares shall not be exercisable. A person that does not comply with such a notice or direction from the BMA will be guilty of an offense.

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The insurance holding company laws and regulations of the Commonwealth of Pennsylvania, the state in which our insurance subsidiaries are domiciled, require that, before a person can acquire direct or indirect control of an insurer domiciled in the state, prior written approval must be obtained from the Pennsylvania Insurance Department. The state insurance regulators are required to consider various factors, including the financial strength of the acquirer, the integrity and management experience of the acquirer's board of directors and executive officers, and the acquirer's plans for the future operations of the reinsurer or insurer. Pursuant to applicable laws and regulations, "control" over an insurer is generally presumed to exist if any person, directly or indirectly, owns, controls, holds the power to vote or holds proxies representing, 10% or more of the voting securities of that reinsurer or insurer. Indirect ownership includes ownership of our common shares.

Except in connection with the settlement of trades or transactions entered into through the facilities of the NYSE, our board of directors may generally require any shareholder or any person proposing to acquire our shares to provide the information required under our bye-laws. If any such shareholder or proposed acquirer does not provide such information, or if the board of directors has reason to believe that any certification or other information provided pursuant to any such request is inaccurate or incomplete, the board of directors may decline to register any transfer or to effect any issuance or purchase of shares to which such request is related. Although these restrictions on transfer will not interfere with the settlement of trades on the NYSE, we may decline to register transfers in accordance with our bye-laws and board of directors resolutions after a settlement has taken place.

U.S. persons who own our shares may have more difficulty in protecting their interests than U.S. persons who are shareholders of a U.S. corporation.

The Bermuda Companies Act 1981 (the "Companies Act"), which applies to us, differs in certain material respects from laws generally applicable to U.S. corporations and their shareholders. Set forth below is a summary of certain significant provisions of the Companies Act and our bye-laws which differ in certain respects from provisions of Delaware corporate law. Because the following statements are summaries, they do not discuss all aspects of Bermuda law that may be relevant to us and our shareholders.

Interested Directors:    Bermuda law provides that if a director has an interest in a material contract or proposed material contract with us or any of our subsidiaries or has a material interest in any person that is a party to such a contract, the director must disclose the nature of that interest at the first opportunity either at a meeting of directors or in writing to the board. Under Delaware law such transaction would not be voidable if:

•the material facts as to such interested director's relationship or interests were disclosed or were known to the board of directors and the board of directors had in good faith authorized the transaction by the affirmative vote of a majority of the disinterested directors;

•such material facts were disclosed or were known to the shareholders entitled to vote on such transaction and the transaction were specifically approved in good faith by vote of the majority of shares entitled to vote thereon; or

•the transaction was fair as to the corporation as of the time it was authorized, approved or ratified. Under Delaware law, the interested director could be held liable for a transaction in which the director derived an improper personal benefit.

Business Combinations with Large Shareholders or Affiliates.    As a Bermuda company, we may enter into business combinations with our large shareholders or affiliates, including mergers, asset sales and other transactions in which a large shareholder or affiliate receives, or could receive, a financial benefit that is greater than that received, or to be received, by other shareholders, without obtaining prior approval from our board of directors or from our shareholders. If we were a Delaware company, we would need prior approval from our board of directors or a supermajority of our shareholders to enter into a business combination with an interested shareholder for a period of three years from the time the person became an interested shareholder, unless we opted out of the relevant Delaware statute. Our bye-laws also include a provision restricting business combinations with interested shareholders consistent with the corresponding Delaware statute.

Shareholders' Suits.    The rights of shareholders under Bermuda law are not as extensive as the rights of shareholders in many U.S. jurisdictions. Class actions and derivative actions are generally not available to shareholders under the laws of Bermuda. However, the Bermuda courts ordinarily would be expected to follow English case law precedent, which would permit a shareholder to commence an action in the name of the company to remedy a wrong done to the company where an act is alleged to be beyond the corporate power of the company, is illegal or would result in the violation of our memorandum of association or bye-laws. Furthermore, a court would consider acts that are alleged to constitute a fraud against the minority shareholders or where an act requires the approval of a greater percentage of our shareholders than actually approved it. The

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prevailing party in such an action generally would be able to recover a portion of attorneys' fees incurred in connection with such action. Our bye-laws provide that shareholders waive all claims or rights of action that they might have, individually or in the right of the company, against any director or officer for any act or failure to act in the performance of such director's or officer's duties, except with respect to any fraud or dishonesty of such director or officer. Class actions and derivative actions generally are available to shareholders under Delaware law for, among other things, breach of fiduciary duty, corporate waste and actions not taken in accordance with applicable law. In such actions, the court has discretion to permit the winning party to recover attorneys' fees incurred in connection with such action.

Indemnification of Directors.    We may indemnify our directors or officers or any person appointed to any committee by the board of directors acting in their capacity as such in relation to any of our affairs for any loss arising or liability attaching to them by virtue of any rule of law in respect of any negligence, default, breach of duty or breach of trust of which such person may be guilty in relation to the company other than in respect of his own fraud or dishonesty. Under Delaware law, a corporation may indemnify a director or officer of the corporation against expenses (including attorneys' fees), judgments, fines and amounts paid in settlement actually and reasonably incurred in defense of an action, suit or proceeding by reason of such position if such director or officer acted in good faith and in a manner he or she reasonably believed to be in or not be opposed to the best interests of the corporation and, with respect to any criminal action or proceeding, such director or officer had no reasonable cause to believe his or her conduct was unlawful.

General Risk Factors

We rely on our senior management team and our business could be harmed if we are unable to retain qualified personnel.

Our success depends, in part, on the skills, working relationships and continued services of our senior management team. We have employment agreements with each of our senior executives. The departure of any of our key executives could adversely affect the conduct of our business. In such an event, we would be required to obtain other personnel to manage and operate our business, and there can be no assurance that we would be able to employ a suitable replacement for the departing individual, or that a replacement could be hired on terms that are favorable to us. Volatility or lack of performance in our share price may affect our ability to retain our key personnel or attract replacements should key personnel depart.

We may need additional capital to fund our operations or expand our business, and if we are unable to obtain sufficient financing or such financing is obtained on adverse terms, we may not be able to operate or expand our business as planned, which could negatively affect our results of operations and future growth.

We may require incremental capital to support our growth and comply with regulatory requirements. To the extent that we require capital in the future, we may need to obtain financing from the capital markets or other third-party sources of financing. We may also seek to reinsure part of our risk in force with third-party reinsurers in order to obtain reinsurance credit and capital relief under insurance laws applicable to us and the regulations of the GSEs. Potential investors, lenders or reinsurers may be unable to provide us with financing or reinsurance that is attractive to us. Our access to such financing will depend, in part, on:

•general market conditions;

•the market's perception of our growth potential;

•our debt levels, if any;

•our expected results of operations;

•our cash flow;

•the availability of capital to third-party reinsurers to reinsurer our risks; and

•the market price of our common shares.

Our principal capital demands include funds for (i) the expansion of our business, (ii) the payment of certain corporate operating expenses, (iii) capital support for our subsidiaries, and (iv) Federal, state and local taxes. We may need to provide additional capital support to our insurance subsidiaries if required pursuant to insurance laws and regulations or by the GSEs. If we were unable to meet our obligations, our insurance subsidiaries could lose GSE approval or be required to cease writing business in one or more states, which would adversely impact our business, financial condition and operating results.

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We are exposed to risks relating to LIBOR and other benchmark rates.

Regulators, law enforcement agencies, or the ICE Benchmark Association (the current administrator of LIBOR) may take actions resulting in changes to the way LIBOR is determined, the discontinuance of reliance on LIBOR as a benchmark rate or the establishment of alternative reference rates. The U.K. Financial Conduct Authority has announced that it intends to stop persuading or compelling banks to submit LIBOR rates after 2021. The Federal Reserve Bank of New York has begun publishing a Secured Overnight Funding Rate (“SOFR”), which is intended to replace U.S. dollar LIBOR, and central banks in several other jurisdictions have also announced plans for alternative reference rates for other currencies. At this time, we cannot predict how markets will respond to these new rates, and we cannot predict the effect of any changes to or discontinuation of LIBOR on new or existing financial instruments to which we have exposure. Any changes to or discontinuation of LIBOR may have an adverse effect on the reinsurance premium rates we are required to pay in connection with our “Radnor Re” insurance-linked notes transactions, which are tied to LIBOR, or other assets or liabilities whose value is tied to LIBOR or to a LIBOR alternative, including floating rate bonds we hold in our investment portfolio. Furthermore, changes to or the discontinuation of LIBOR may impact other aspects of our business, including products, pricing, and models.

Our success will depend on our ability to maintain and enhance effective operating procedures and internal controls.

Operational risk and losses can result from, among other things, fraud, errors, failure to document transactions properly or to obtain proper internal authorization, failure to comply with regulatory requirements, information technology failures, failure to appropriately transition new hires or external events. We continue to enhance our operating procedures and internal controls to effectively support our business and our regulatory and reporting requirements. Our management does not expect that our disclosure controls or our internal controls will prevent all potential errors and fraud. A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. As a result of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the company have been detected. These inherent limitations include the realities that judgments in decision making can be faulty, and that breakdowns can occur because of simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons or by collusion of two or more people. The design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions; over time, controls may become inadequate because of changes in conditions, or the degree of compliance with the policies or procedures may deteriorate. As a result of the inherent limitations in a cost-effective control system, misstatement due to error or fraud may occur and not be detected. Accordingly, our disclosure controls and procedures are designed to provide reasonable, not absolute, assurance that the disclosure controls and procedures are met. Any ineffectiveness in our controls or procedures could have a material adverse effect on our business.

We have a risk management framework designed to assess and monitor our risks. However, there can be no assurance that we can effectively review and monitor all risks or that all of our employees will operate within our risk management framework, nor can there can be any assurance that our risk management framework will result in accurately identifying all risks and accurately limiting our exposures based on our assessments. Moreover, risk management is expected to be a new and important focus of regulatory examinations of companies under supervision. There can be no assurance that our risk management framework and documentation will meet the expectations of such regulators.

Our share price may be volatile or may decline regardless of operating performance.

The market price of our common shares may fluctuate significantly in the future. Some of the factors that could negatively affect the market price of our common shares include:

•actual or anticipated variations in our quarterly operating results;

•changes in our earnings estimates or publication of research reports about us or the real estate industry;

•changes in market valuations of similar companies;

•any indebtedness we incur in the future;

•changes in credit markets and interest rates;

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•changes in government policies, laws and regulations;

•changes impacting Fannie Mae, Freddie Mac or Ginnie Mae;

•additions to or departures of our key management personnel;

•actions by shareholders;

•speculation in the press or investment community;

•strategic actions by us or our competitors;

•changes in our credit ratings;

•the availability of third-party reinsurance for the insurance coverage that we write;

•general market and economic conditions;

•our failure to meet, or the lowering of, our earnings estimates or those of any securities analysts; and

•price and volume fluctuations in the stock market generally.

The stock markets have experienced extreme volatility in recent years that has been unrelated to the operating performance of particular companies. These broad market fluctuations may adversely affect the trading price of our common shares. In the past, securities class action litigation has often been instituted against companies following periods of volatility in their stock price. This type of litigation, even if it does not result in liability for us, could result in substantial costs to us and divert management's attention and resources.

Future sales of shares by existing shareholders could cause our share price to decline.

Sales of substantial amounts of our common shares in the public market, or the perception that these sales could occur, could cause the market price of our common shares to decline. As of February 19, 2021, we had 112,840,615 outstanding common shares. In the future, we may issue additional common shares or other equity or debt securities convertible into common shares in connection with a financing, acquisition, and litigation settlement or employee arrangement or otherwise. Any of these issuances could result in substantial dilution to our existing shareholders and could cause the trading price of our common shares to decline.

If securities or industry analysts do not publish research or publish misleading or unfavorable research about our business, our share price and trading volume could decline.

The trading market for our common shares depends in part on the research and reports that securities or industry analysts publish about us or our business. If one or more of these analysts downgrades our shares or publishes misleading or unfavorable research about our business, our share price would likely decline. If one or more of these analysts ceases coverage of our Company or fails to publish reports on us regularly, demand for our shares could decrease, which could cause our share price or trading volume to decline.

Future offerings of debt or equity securities, which may rank senior to our common shares, may restrict our operating flexibility and adversely affect the market price of our common shares.

If we decide to issue debt securities in the future, it is likely that they will be governed by an indenture or other instrument containing covenants restricting our operating flexibility. Additionally, any equity securities or convertible or exchangeable securities that we issue in the future may have rights, preferences and privileges more favorable than those of our common shares and may adversely affect the market price of our common shares. Any such debt or preference equity securities will rank senior to our common shares and will also have priority with respect to any distributions upon a liquidation, dissolution or similar event, which could result in the loss of all or a portion of your investment. Our decision to issue such securities will depend on market conditions and other factors beyond our control, and we cannot predict or estimate the amount, timing or nature of our future offerings.

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ITEM 1B.    UNRESOLVED STAFF COMMENTS

Not applicable.

ITEM 2.    PROPERTIES

We lease office facilities in Radnor, Pennsylvania and additional offices in Winston-Salem, North Carolina, and Irvine, California for our U.S. operations headquarters, and we lease office facilities in Bermuda for our Bermuda-based reinsurance company. We believe our current facilities are adequate for our current needs and that suitable additional space will be available as and when needed.

ITEM 3.    LEGAL PROCEEDINGS

We are not currently subject to any material legal proceedings.

ITEM 4.    MINE SAFETY DISCLOSURES

Not applicable.

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PART II

ITEM 5.    MARKET FOR THE COMPANY'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Our common shares trade on the New York Stock Exchange (NYSE) under the symbol "ESNT." As of February 19, 2021, we had approximately 11 holders of record of our common shares.

We have paid a quarterly dividend since September 2019. A dividend of $0.16 per share was declared and paid for each quarter in 2020 as well as for the first quarter of 2021. We presently expect to continue to declare a comparable regular quarterly dividend on our common stock in the future. For information on Essent Group's ability to pay dividends, see Item 7 "Management's Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources."

Performance Graph

The following performance graph compares, for the period from October 31, 2013 (the date our common shares commenced trading on the NYSE) through December 31, 2020, the cumulative total shareholder return of an investment in (i) our common shares, (ii) the S&P 500 and (iii) a composite peer group selected by us consisting of Arch Capital Group Ltd., Genworth Financial, Inc., MGIC Investment Corporation, NMI Holdings, Inc. and Radian Group Inc. We selected the members of this peer group because each is a direct competitor of ours in the private mortgage insurance industry.

The graph assumes an initial investment of $100 and the reinvestment of dividends, if any. Such returns are based on historical results and are not intended to suggest future performance.

	10/31/2013	12/31/2013		12/31/2014		12/31/2015		12/31/2016		12/31/2017		12/31/2018		12/31/2019		12/31/2020
S&P 500	$100.00	$	105.23	$	117.21	$	116.36	$	127.46	$	152.21	$	142.71	$	183.93	$	213.83
Peer Index	$100.00	$	100.90	$	101.24	$	133.32	$	166.77	$	173.37	$	152.23	$	262.00	$	224.15
ESNT	$100.00	$	114.57	$	122.43	$	104.24	$	154.14	$	206.76	$	162.76	$	254.50	$	228.16

The performance graph and related information shall not be deemed "soliciting material" or to be "filed" with the Securities and Exchange Commission for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, or otherwise subject to the liabilities under that Section, and shall not be deemed to be incorporated by reference into any future filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that we specifically incorporate it by reference into such filing.

Issuer Purchase of Equity Securities

We did not repurchase any of our common shares during the fourth quarter of 2020.

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ITEM 6.    SELECTED FINANCIAL DATA

	Year Ended December 31,
Summary of Operations (In thousands, except per share amounts)	2020		2019		2018		2017		2016
Revenues:
Net premiums written	$	834,113	$	760,845	$	685,287	$	570,186	$	441,278
Decrease (increase) in unearned premiums	28,451		16,580		(35,795)		(40,056)		(18,571)
Net premiums earned	862,564		777,425		649,492		530,130		422,707
Net investment income	80,087		83,542		64,091		40,226		27,890
Realized investment gains, net	2,697		3,229		1,318		2,015		1,934
Other income	9,806		3,371		4,452		4,140		5,727
Total revenues	955,154		867,567		719,353		576,511		458,258
Losses and expenses:
Provision for losses and LAE	301,293		32,986		11,575		27,232		15,525
Other underwriting and operating expenses	154,691		165,369		150,900		145,533		130,425
Interest expense	9,074		10,151		10,179		5,178		426
Total losses and expenses	465,058		208,506		172,654		177,943		146,376
Income before income taxes	490,096		659,061		546,699		398,568		311,882
Income tax expense	77,055		103,348		79,336		18,821		89,276
Net income	$	413,041	$	555,713	$	467,363	$	379,747	$	222,606
Earnings per share (EPS):
Basic	$	3.89	$	5.68	$	4.80	$	4.07	$	2.45
Diluted	$	3.88	$	5.66	$	4.77	$	3.99	$	2.41
Weighted average shares outstanding:
Basic	106,098		97,762		97,403		93,330		90,913
Diluted	106,376		98,227		97,974		95,211		92,245
Dividends declared per common share	$	0.64	$	0.30	$	—	$	—	$	—

	December 31,
Balance sheet data ($ in thousands)	2020		2019		2018		2017		2016
Total investments	$	4,654,277	$	3,429,620	$	2,791,018	$	2,305,565	$	1,615,102
Cash	102,830		71,350		64,946		43,524		27,531
Total assets	5,202,724		3,873,425		3,149,971		2,674,368		1,882,998
Reserve for losses and LAE	374,941		69,362		49,464		46,850		28,142
Unearned premium reserve	250,436		278,887		295,467		259,672		219,616
Credit facility borrowings	321,720		224,237		223,664		248,591		100,000
Total stockholders' equity	$	3,862,633	$	2,984,845	$	2,365,717	$	1,940,436	$	1,343,773

	December 31,
Selected additional data ($ in thousands)	2020			2019			2018			2017			2016
New insurance written(1)	$	107,944,065		$	63,569,183		$	47,508,525		$	43,858,322		$	34,949,319
Loss ratio(2)	34.9		%	4.2		%	1.8		%	5.1		%	3.7		%
Expense ratio(3)	17.9			21.3			23.2			27.5			30.9
Combined ratio	52.9		%	25.5		%	25.0		%	32.6		%	34.5		%
Return on average equity	12.1		%	20.8		%	21.7		%	23.1		%	18.1		%

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	December 31,
Insurance portfolio ($ in thousands)	2020			2019			2018			2017			2016
Insurance in force	$	198,882,352		$	164,005,853		$	137,720,786		$	110,461,950		$	83,265,522
Risk in force	$	41,339,262		$	38,947,857		$	33,892,869		$	27,443,985		$	20,627,317
Policies in force	799,893			702,925			608,135			496,477			375,898
Loans in default	31,469			5,947			4,024			4,783			1,757
Percentage of loans in default	3.93		%	0.85		%	0.66		%	0.96		%	0.47		%
Insurance company capital ($ in thousands)
U.S. Mortgage Insurance Subsidiaries
Combined statutory capital(4)	$	2,659,161		$	2,335,828		$	1,886,929		$	1,528,869		$	1,144,279
Risk-to-capital ratios:
Essent Guaranty, Inc.	11.5:1			13.1:1			14.4:1			14.7:1			15.3:1
Essent Guaranty of PA, Inc.	1.7:1			2.9:1			4.2:1			5.4:1			6.8:1
Combined(5)	11.1:1			12.6:1			13.9:1			14.2:1			14.7:1
Essent Reinsurance Ltd.
Stockholder's equity (GAAP basis)	$	1,101,003		$	939,360		$	798,612		$	662,819		$	401,273
Net risk in force(6)	$	12,892,300		$	10,314,942		$	8,265,763		$	6,299,437		$	4,181,737

_______________________________________________________________________________

(1)New insurance written ("NIW") includes NIW on a flow basis (in which loans are insured in individual, loan-by-loan transactions) and bulk insurance that we write (in which each loan in a portfolio of loans is insured in a single transaction).

(2)Loss ratio is calculated by dividing the provision for losses and loss adjustment expenses ("LAE") by net premiums earned.

(3)Expense ratio is calculated by dividing other underwriting and operating expenses by net premiums earned.

(4)Combined statutory capital equals the sum of statutory capital of Essent Guaranty, Inc. plus Essent Guaranty of PA, Inc., after eliminating the impact of intercompany transactions. Statutory capital is computed based on accounting practices prescribed or permitted by the Pennsylvania Insurance Department and the National Association of Insurance Commissioners Accounting Practices and Procedures Manual.

(5)Combined risk-to-capital ratio equals the sum of net risk in force of Essent Guaranty, Inc. and Essent Guaranty of PA, Inc. divided by combined statutory capital.

(6)Net risk in force represents total risk in force, net of reinsurance ceded and net of exposures on policies for which loss reserves have been established.

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ITEM 7.    Management's Discussion and Analysis of Financial Condition and Results of Operations

        The following discussion should be read in conjunction with the "Selected Financial Data" and our financial statements and related notes thereto included elsewhere in this report. In addition to historical information, this discussion contains forward-looking statements that involve risks, uncertainties and assumptions that could cause actual results to differ materially from management’s expectations. Factors that could cause such differences are discussed in the sections entitled "Special Note Regarding Forward-Looking Statements" and "Risk Factors." We are not undertaking any obligation to update any forward-looking statements or other statements we may make in the following discussion or elsewhere in this document even though these statements may be affected by events or circumstances occurring after the forward-looking statements or other statements were made.

Overview

We are an established and growing private mortgage insurance company. Essent Guaranty, Inc., our wholly-owned insurance subsidiary which we refer to as "Essent Guaranty," is licensed to write coverage in all 50 states and the District of Columbia. The financial strength ratings of Essent Guaranty are A3 with a stable outlook by Moody's Investors Service ("Moody's"), BBB+ with a negative outlook by S&P Global Ratings ("S&P") and A (Excellent) with a stable outlook by A.M. Best.

Our holding company is domiciled in Bermuda and our U.S. insurance business is headquartered in Radnor, Pennsylvania. We operate additional underwriting and service centers in Winston-Salem, North Carolina and Irvine, California. We have a highly experienced, talented team with 381 employees as of December 31, 2020. For the years ended December 31, 2020, 2019 and 2018, we generated new insurance written, or NIW, of approximately $107.9 billion, $63.6 billion and $47.5 billion, respectively. As of December 31, 2020, we had approximately $198.9 billion of insurance in force. Our top ten customers represented approximately 35.8%, 42.8% and 43.5% of our NIW on a flow basis for the years ended December 31, 2020, 2019 and 2018, respectively.

We also offer mortgage-related insurance and reinsurance through our wholly-owned Bermuda-based subsidiary, Essent Reinsurance Ltd., which we refer to as "Essent Re." As of December 31, 2020, Essent Re provided insurance or reinsurance relating to GSE risk share and other reinsurance transactions covering approximately $1.4 billion of risk. Essent Re also reinsures 25% of Essent Guaranty's NIW under a quota share reinsurance agreement. The financial strength ratings of Essent Re are BBB+ with a negative outlook by S&P and A (Excellent) with a stable outlook by A.M. Best.

COVID-19

The novel coronavirus disease 2019 ("COVID-19") was first identified in December 2019 in Wuhan, China. On March 11, 2020 the outbreak had spread such that it was declared to be a pandemic by the World Health Organization (“WHO”). Within a week of the WHO's declaration, most major economies had announced significant and increasing restrictions on the movement and interaction of people. By the end of March 2020, it was estimated that a quarter of the world’s population was under some form of lockdown or stay-at-home order. Most state governments in the United States implemented some form of travel and/or business restrictions to slow the spread of COVID-19. Due to business restrictions, stay-at-home orders and travel restrictions initially implemented in March 2020, unemployment in the United States increased significantly in the second quarter of 2020 and remained elevated at December 31, 2020. As unemployment is one of the most common reasons for borrowers to default on their mortgage, the increase in unemployment has increased the number of delinquencies and has the potential to increase claim frequencies on the mortgages we insure.

In response to the impact of COVID-19, the federal government has implemented unprecedented measures to assist borrowers in avoiding foreclosures and allow families to remain in their homes. Most notably, under the Coronavirus Aid, Relief, and Economic Security Act ("CARES Act"), consumers with federally backed mortgages were granted two financial protections: (1) a temporary moratorium on foreclosures, and (2) mortgage forbearance, either in the form of a lower monthly payment or temporarily suspending payments. Under the new law, borrowers have the right to request forbearance for up to 360 days due to hardship caused by COVID-19. We believe that these measures will likely increase the overall duration of the default resolution process and reduce the number of defaults that result in claims compared to our historical default-to-claim experience. However, the increase in the default resolution process may result in increases in claim severities for loans that proceed to claim.

Over 90% of loans insured by Essent are federally backed by Fannie Mae or Freddie Mac. As a mortgage loan in forbearance is considered delinquent, we will provide loss reserves as loans in forbearance are reported to us as delinquent once the borrower has missed two consecutive payments. However, we believe providing borrowers time to recover from the adverse

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financial impact of the COVID-19 event may allow some families to be able to remain in their homes and avoid foreclosure. For borrowers that have the ability to begin to pay their mortgage at the end of the forbearance period, we expect that mortgage servicers will work with them to modify their loans at which time the mortgage will be removed from delinquency status.

Essent has had a Pandemic Plan in place as part of its comprehensive Business Continuity Program for a number of years and invoked the Pandemic Plan in light of the COVID-19 event. A majority of our workforce has been working remotely since March 16, 2020. Through the use of technology, our national and regional account managers and customer service team have been in contact with our policyholders and their servicers, and we have made several COVID-19-related announcements which have been posted on our mortgage insurance website.

As of March 31, 2020, COVID-19 had not had a significant impact on our financial position or results of operations. Beginning in April 2020 through December 2020, we experienced an increase in the number and percentage of mortgage loans we insure that were reported to have missed at least two consecutive payments of principal and interest as a result of COVID-19, which has resulted in an increase in our provision for losses in the year ended December 31, 2020. The impact on our reserves in future periods will be dependent upon the amount of delinquent notices received from loan servicers and our expectations for the amount of ultimate losses on these delinquencies. As noted in “— Liquidity and Capital Resources,” Essent had substantial liquidity and had Available Assets in excess of Minimum Required Assets under PMIERs 2.0 as of December 31, 2020. In order to maintain continuous MI coverage, mortgage servicers are required to advance MI premiums to us even if borrowers are in a forbearance plan. Future increases in defaults may result in an increase in our provisions for loss and loss adjustment expenses compared to prior periods, reduced profit commission under our quota share reinsurance agreement with a panel of third-party reinsurers (the "QSR Agreement") and an increase in our Minimum Required Assets.

Legislative and Regulatory Developments

Our results are significantly impacted by, and our future success may be affected by, legislative and regulatory developments affecting the housing finance industry. Key regulatory and legislative developments that may affect us include:

Housing Finance, GSE Reform and GSE Qualified Mortgage Insurer Requirements

Because a substantial majority of our current and expected future business is the provision of mortgage insurance on loans sold to the GSEs, changes to the business practices of the GSEs or any regulation relating to the GSEs may impact our business and our results of operations. The Federal Housing Finance Agency ("FHFA") is the regulator and conservator of the GSEs with authority to control and direct their operations. The FHFA has directed, and is likely to continue to direct, changes to the business operations of the GSEs in ways that affect the mortgage insurance industry.

It is likely that Federal legislation will be necessary to resolve the conservatorship of the GSEs, and such legislation could materially affect the role and charter of the GSEs and the operation of the housing finance system. In 2011, the U.S. Department of the Treasury recommended options for winding down the GSEs and using a combination of Federal housing policy changes to contract the government's footprint in housing finance and restore a larger role for private capital. Since 2011, members of Congress have introduced several bills intended to reform the secondary market and the role of the GSEs, although no comprehensive housing finance or GSE reform legislation has been enacted to date.

Any changes to the charters or statutory authorities of the GSEs would require Congressional action to implement. Congress, however, has not enacted any legislation to date. See "Business—Regulation—Federal Mortgage-Related Laws and Regulations—Housing Finance Reform," "Risk Factors—Risks Relating to Regulation and Litigation—Legislative or regulatory actions or decisions to change the role of the GSEs in the U.S. housing market generally, or changes to the charters of the GSEs with regard to the use of credit enhancements generally and private mortgage insurance specifically, could reduce our revenues or adversely affect our profitability and returns," and "—Changes in the business practices of the GSEs, including actions or decisions to decrease or discontinue the use of mortgage insurance or changes in the GSEs' eligibility requirements for mortgage insurers, could reduce our revenues or adversely affect our profitability and returns."

Effective December 31, 2015, Fannie Mae and Freddie Mac, at the direction of the FHFA, implemented new coordinated Private Mortgage Insurer Eligibility Requirements, which we refer to as the "PMIERs." The PMIERs represent the standards by which private mortgage insurers are eligible to provide mortgage insurance on loans owned or guaranteed by Fannie Mae and Freddie Mac. The PMIERs include financial strength requirements incorporating a risk-based framework that require approved insurers to have a sufficient level of liquid assets from which to pay claims. The PMIERs also include enhanced operational performance expectations and define remedial actions that apply should an approved insurer fail to comply with these requirements. A revised PMIERs framework, which we refer to as "PMIERs 2.0," became effective on March 31, 2019. As of December 31, 2020, Essent Guaranty, our GSE-approved mortgage insurance company, was in compliance with PMIERs 2.0.

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Dodd-Frank Act

Various regulatory agencies have produced, and are now in the process of developing additional, new rules under the Dodd-Frank Act that are expected to have a significant impact on the housing finance industry, including the Qualified Mortgage, or QM, definition and the risk retention requirement and related Qualified Residential Mortgage, or QRM, definition.

QM Definition

Under the Dodd-Frank Act, the Consumer Financial Protection Bureau ("CFPB") is authorized to issue regulations governing a loan originator's determination that, at the time a loan is originated, the consumer has a reasonable ability to repay the loan. The Dodd-Frank Act provides a statutory presumption that a borrower will have the ability to repay a loan if the loan has characteristics satisfying the QM definition. Under the CFPB's final rule regarding QMs, which we refer to as the "QM Rule," a loan is deemed to be a QM if it has certain loan features, satisfies extensive documentation requirements and meets limitations on fees and points and APRs.

The QM Rule provides a "safe harbor" for QM loans with annual percentage rates, or APRs, below the threshold of 150 basis points over the Average Prime Offer Rate, or APOR, and a "rebuttable presumption" for QM loans with an APR above that threshold. In October 2020, the CFPB announced a final rule that would implement a previously temporary second category under the QM Rule providing for more flexible underwriting requirements (the "GSE Patch"). To qualify under this category, a mortgage must meet the general product feature requirements and be eligible to be purchased or guaranteed by either of the GSEs (while they remain under FHFA conservatorship), the FHA, the VA, and the U.S. Department of Agriculture Rural Development program. On February 23, 2021, the CFPB announced that, in light of the economic dislocations resulting from the COVID-19 pandemic, it intends to issue a proposed rule to delay the implementation of the final QM Rule and the GSE Patch.

We expect that most lenders will be reluctant to make non-QM loans because they will not be entitled to the presumption against civil liability under the Dodd-Frank Act, and mortgage investors may be reluctant to purchase mortgages or mortgage-backed securities that are not QMs due to potential assignee liability for such loans. As a result, we believe that the QM regulations have a direct impact on establishing a subset of borrowers who can meet the regulatory standards and directly affect the willingness of lenders and mortgage investors to extend mortgage credit and therefore the size of the residential mortgage market. To the extent the use of private mortgage insurance causes a loan not to meet the definition of a QM, the volume of loans originated with mortgage insurance may decline. In addition, the impact of the mortgage insurance premiums on the calculation of points and fees for purposes of QM may influence the use of mortgage insurance, as well as our mix of premium plans and therefore our profitability. See "—Factors Affecting Our Results of Operations—Persistency and Business Mix" and "Risk Factors—Risks Relating to Regulation and Litigation—Our business prospects and operating results could be adversely impacted if, and to the extent that, the Consumer Financial Protection Bureau's ("CFPB") final rule defining a qualified mortgage ("QM") reduces the size of the origination market or creates incentives to use government mortgage insurance programs."

Risk Retention Requirements and QRM Definition

The Dodd-Frank Act provides for an originator or issuer risk retention requirement on securitized mortgage loans that do not meet the definition of a QRM. The QRM regulations align the definition of a QRM loan with that of a QM loan. If, however, the QRM definition is changed (or the QM definition is amended) in a manner that is unfavorable to us, such as to give no consideration to mortgage insurance in computing LTV or to require a large down payment for a loan to qualify as a QRM, the attractiveness of originating and securitizing loans with lower down payments may be reduced, which may adversely affect the future demand for mortgage insurance. See "Business—Regulation—Federal Mortgage-Related Laws and Regulation—Dodd-Frank Act—Qualified Residential Mortgage Regulations—Risk Retention Requirements" and "Risk Factors—Risks Relating to Our Business—The amount of insurance we write could be adversely affected by the Dodd-Frank Act's risk retention requirements and the definition of Qualified Residential Mortgage ("QRM")."

FHA Reform

We compete with the single-family mortgage insurance programs of the FHA, which is part of the Department of Housing and Urban Development. The most recent FHA report to Congress dated November 13, 2020 on the financial status of the FHA's Mutual Mortgage Insurance Fund, or MMIF, showed the capital reserve ratio of the MMIF at 6.10%, above the Congressionally mandated required minimum level of 2%. See "Risk Factors—Risks Relating to the Operation of Our Business

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—The amount of insurance we may be able to write could be adversely affected if lenders and investors select alternatives to private mortgage insurance."

Tax Reform

The U.S. Internal Revenue Service and Department of the Treasury published both final and newly proposed regulations in January 2021 relating to the tax treatment of passive foreign investment companies ("PFICs"). The final regulations provide guidance on various PFIC rules, including changes resulting from the 2017 Tax Cuts and Jobs Act. In addition, the Company is evaluating the potential impact of the newly proposed PFIC regulations to its shareholders and business operations. The newly proposed regulations, among other provisions, set a limit on the amount of assets that may be deemed “good assets” within the PFIC asset test of a foreign holding company. See "Risk Factors—Risks Relating to Taxes and our Corporate Structure—U.S. Persons who hold our shares will be subject to adverse tax consequences if we are considered to be a passive foreign investment company ("PFIC") for U.S. Federal income tax purposes."

Factors Affecting Our Results of Operations

Net Premiums Written and Earned

Premiums associated with our U.S. mortgage insurance business are based on insurance in force, or IIF, during all or a portion of a period. A change in the average IIF during a period causes premiums to increase or decrease as compared to prior periods. Average net premium rates in effect during a given period will also cause premiums to differ when compared to earlier periods. IIF at the end of a reporting period is a function of the IIF at the beginning of such reporting period plus NIW less policy cancellations (including claims paid) during the period. As a result, premiums are generally influenced by:

•NIW, which is the aggregate principal amount of the new mortgages that are insured during a period. Many factors affect NIW, including, among others, the volume of low down payment home mortgage originations, the competition to provide credit enhancement on those mortgages, the number of customers who have approved us to provide mortgage insurance and changes in our NIW from certain customers;

•Cancellations of our insurance policies, which are impacted by payments on mortgages, home price appreciation, or refinancings, which in turn are affected by mortgage interest rates. Cancellations are also impacted by the levels of claim payments and rescissions;

•Premium rates, which represent the amount of the premium due as a percentage of IIF. Premium rates are based on the risk characteristics of the loans insured, the percentage of coverage on the loans, competition from other mortgage insurers and general industry conditions; and

•Premiums ceded or assumed under reinsurance arrangements. Prior to March 2018, we had not ceded any premiums under third-party reinsurance contracts. In 2018, 2019 and 2020, Essent Guaranty entered into third-party reinsurance agreements. See Note 5 to our consolidated financial statements.

Premiums are paid either on a monthly installment basis ("monthly premiums"), in a single payment at origination ("single premiums"), or in some cases as an annual premium. For monthly premiums, we receive a monthly premium payment which is recorded as net premiums earned in the month the coverage is provided. Monthly premium payments are based on the original mortgage amount rather than the amortized loan balance. Net premiums written may be in excess of net premiums earned due to single premium policies. For single premiums, we receive a single premium payment at origination, which is recorded as "unearned premium" and earned over the estimated life of the policy, which ranges from 36 to 156 months depending on the term of the underlying mortgage and loan-to-value ratio at date of origination. If single premium policies are cancelled due to repayment of the underlying loan and the premium is non-refundable, the remaining unearned premium balance is immediately recognized as earned premium revenue. Substantially all of our single premium policies in force as of December 31, 2020 were non-refundable. Premiums collected on annual policies are recognized as net premiums earned on a straight-line basis over the year of coverage. For the years ended December 31, 2020 and 2019, monthly premium policies comprised 91% and 89% of our NIW, respectively.

Premiums associated with our GSE and other risk share transactions are based on the level of risk in force and premium rates on the transactions.

Persistency and Business Mix

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The percentage of IIF that remains on our books after any 12-month period is defined as our persistency rate. Because our insurance premiums are earned over the life of a policy, higher persistency rates can have a significant impact on our profitability. The persistency rate on our portfolio was 60.1% at December 31, 2020. Generally, higher prepayment speeds lead to lower persistency.

Prepayment speeds and the relative mix of business between single premium policies and monthly premium policies also impact our profitability. Our premium rates include certain assumptions regarding repayment or prepayment speeds of the mortgages. Because premiums are paid at origination on single premium policies, assuming all other factors remain constant, if loans are prepaid earlier than expected, our profitability on these loans is likely to increase and, if loans are repaid slower than expected, our profitability on these loans is likely to decrease. By contrast, if monthly premium loans are repaid earlier than anticipated, our premium earned with respect to those loans and therefore our profitability declines. Currently, the expected return on single premium policies is less than the expected return on monthly policies.

Net Investment Income

Our investment portfolio was predominantly comprised of investment-grade fixed income securities and money market funds as of December 31, 2020. The principal factors that influence investment income are the size of the investment portfolio and the yield on individual securities. As measured by amortized cost (which excludes changes in fair market value, such as from changes in interest rates), the size of our investment portfolio is mainly a function of increases in capital and cash generated from or used in operations which is impacted by net premiums received, investment earnings, net claim payments and expenses. Realized gains and losses are a function of the difference between the amount received on the sale of a security and the security's amortized cost, as well as any provision for credit losses or impairments recognized in earnings. The amount received on the sale of fixed income securities is affected by the coupon rate of the security compared to the yield of comparable securities at the time of sale.

Other Income

Other income includes revenues associated with contract underwriting services and underwriting consulting services to third-party reinsurers. The level of contract underwriting revenue is dependent upon the number of customers who have engaged us for this service and the number of loans underwritten for these customers. Revenue from underwriting consulting services to third-party reinsurers is dependent upon the number of customers who have engaged us for this service and the level of premiums associated with the transactions underwritten for these customers.

In connection with the acquisition of our mortgage insurance platform, we entered into a services agreement with Triad Guaranty Inc. and its wholly-owned subsidiary, Triad Guaranty Insurance Corporation, which we refer to collectively as "Triad," to provide certain information technology maintenance and development and customer support-related services. In return for these services, we receive a fee which is recorded in other income. Prior to December 1, 2019, this fee was adjusted monthly based on the number of Triad’s mortgage insurance policies in force and, accordingly, decreased over time as Triad’s existing policies were cancelled. Effective December 1, 2019, the services agreement was amended providing for a flat monthly fee through November 30, 2021. The services agreement provides for two subsequent one-year renewals at Triad's option.

As more fully described in Note 5 to our consolidated financial statements, the premiums ceded under certain reinsurance contracts with unaffiliated third parties varies based on changes in market interest rates. Under GAAP, these contracts contain embedded derivatives that are accounted for separately as freestanding derivatives. The change in the fair value of the embedded derivatives is reported in earnings and included in other income.

Provision for Losses and Loss Adjustment Expenses

The provision for losses and loss adjustment expenses reflects the current expense that is recorded within a particular period to reflect actual and estimated loss payments that we believe will ultimately be made as a result of insured loans that are in default.

Losses incurred are generally affected by:

•the overall state of the economy, which broadly affects the likelihood that borrowers may default on their loans and have the ability to cure such defaults;

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•changes in housing values, which affect our ability to mitigate our losses through the sale of properties with loans in default as well as borrower willingness to continue to make mortgage payments when the value of the home is below or perceived to be below the mortgage balance;

•the product mix of IIF, with loans having higher risk characteristics generally resulting in higher defaults and claims;

•the size of loans insured, with higher average loan amounts tending to increase losses incurred;

•the loan-to-value ratio, with higher average loan-to-value ratios tending to increase losses incurred;

•the percentage of coverage on insured loans, with deeper average coverage tending to increase losses incurred;

•credit quality of borrowers, including higher debt-to-income ratios and lower FICO scores, which tend to increase incurred losses;

•the level and amount of reinsurance coverage maintained with third parties;

•the rate at which we rescind policies. Because of tighter underwriting standards generally in the mortgage lending industry and terms set forth in our master policy, we expect that our level of rescission activity will be lower than rescission activity seen in the mortgage insurance industry for vintages originated prior to the financial crisis; and

•the distribution of claims over the life of a book. As of December 31, 2020, 80% of our IIF relates to business written since January 1, 2018 and was less than three years old. As a result, based on historical industry performance, we expect the number of defaults and claims we experience, as well as our provision for losses and loss adjustment expenses ("LAE"), to increase as our portfolio seasons. See "—Mortgage Insurance Earnings and Cash Flow Cycle" below.

We establish loss reserves for delinquent loans when we are notified that a borrower has missed at least two consecutive monthly payments ("Case Reserves"), as well as estimated reserves for defaults that may have occurred but not yet been reported to us ("IBNR Reserves"). We also establish reserves for the associated loss adjustment expenses, consisting of the estimated cost of the claims administration process, including legal and other fees. Using both internal and external information, we establish our reserves based on the likelihood that a default will reach claim status and estimated claim severity. See "—Critical Accounting Policies" for further information.

Based upon our experience and industry data, claims incidence for mortgage insurance is generally highest in the third through sixth years after loan origination. Claims incidence for defaults associated with COVID-19 may not follow this pattern. As of December 31, 2020, 80% of our IIF relates to business written since January 1, 2018 and was less than three years old. Although the claims experience on new insurance written by us to date has been favorable, we expect incurred losses and claims to increase as a greater amount of this book of insurance reaches its anticipated period of highest claim frequency. The actual default rate and the average reserve per default that we experience as our portfolio matures is difficult to predict and is dependent on the specific characteristics of our current in-force book (including the credit score of the borrower, the loan-to-value ratio of the mortgage, geographic concentrations, etc.), as well as the profile of new business we write in the future. In addition, the default rate and the average reserve per default will be affected by future macroeconomic factors such as housing prices, interest rates and employment.

Due to business restrictions, stay-at-home orders and travel restrictions initially implemented in March 2020 as a result of COVID-19, unemployment in the United States increased significantly in the second quarter of 2020 and remained elevated at December 31, 2020. As unemployment is one of the most common reasons for borrowers to default on their mortgage, the increase in unemployment has increased the number of delinquencies on the mortgages we insure, and has the potential to increase claim frequencies on defaults. As of December 31, 2020, insured loans in default totaled 31,469 and included 28,922 defaults classified as COVID-19 defaults compared to 5,947 total defaults and no COVID-19 defaults as of December 31, 2019. For borrowers that have the ability to begin to pay their mortgage at the end of the forbearance period, we expect that mortgage servicers will work with them to modify their loans at which time the mortgage will be removed from delinquency status. We believe that the forbearance process could have a favorable effect on the frequency of claims that we ultimately pay. Based on the forbearance programs in place and the credit characteristics of the COVID-19 defaulted loans, we expect the ultimate number of COVID-19-related defaults that result in claims will be less than our historical default-to-claim experience. We applied a lower reserve rate to COVID-19 default notices received in April 2020 through September 2020 than the rate used for defaults that had missed a comparable number of payments as of December 31, 2019 due to the sudden impact on the economy following the onset of the pandemic. The credit characteristics of defaults reported in October 2020 through December 2020

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have trended towards those of the pre-pandemic periods and we have observed the normalization of other default patterns during this period. In addition, the economic conditions during the fourth quarter of 2020 have been different than those experienced in the second and third quarters of 2020. We believe that while defaults in October 2020 through December 2020 were impacted by the pandemic’s effect on the economy, the underlying credit performance of these defaults may not be the same as the expected performance for default notices received in April 2020 through September 2020 that occurred following the onset of the pandemic and these defaults are more likely to transition like pre-pandemic defaults. Accordingly, although these defaults are classified as COVID-19 defaults, we established reserves for defaults reported in October 2020 through December 2020 using our normal reserve methodology. It is reasonably possible that our estimate of the losses for the COVID-19 defaults could change in the near term as a result of the continued impact of the pandemic on the economic environment, the results of existing and future governmental programs designed to assist individuals and businesses impacted by the virus and the performance of the COVID-19 defaults in the forbearance programs. As more fully described in Note 5 to our consolidated financial statements, at December 31, 2020, we had approximately $2.0 billion of excess of loss reinsurance covering NIW from January 1, 2015 to July 31, 2020 and a quota share reinsurance transaction on a portion of our NIW effective September 1, 2019 through December 31, 2020. The impact on our reserves in future periods will be dependent upon the amount of delinquent notices received from loan servicers, the performance of COVID-19 defaults and our expectations for the amount of ultimate losses on these delinquencies.

Third-Party Reinsurance

We use third-party reinsurance to provide protection against adverse loss experience and to expand our capital sources. When we enter into a reinsurance agreement, the reinsurer receives a premium and, in exchange, agrees to insure an agreed upon portion of incurred losses. These arrangements have the impact of reducing our earned premiums, but also reduce our risk in force ("RIF"), which provides capital relief, and may include capital relief under the PMIERs financial strength requirements. Our incurred losses are reduced by any incurred losses ceded in accordance with the reinsurance agreement. For additional information regarding reinsurance, see Note 5 to our consolidated financial statements.

Other Underwriting and Operating Expenses

Our other underwriting and operating expenses include components that are substantially fixed, as well as expenses that generally increase or decrease in line with the level of NIW.

Our most significant expense is compensation and benefits for our employees, which represented 60%, 57% and 60% of other underwriting and operating expenses for the years ended December 31, 2020, 2019 and 2018, respectively. Compensation and benefits expense includes base and incentive cash compensation, stock compensation expense, benefits and payroll taxes.

Underwriting and other expenses include legal, consulting, other professional fees, premium taxes, travel, entertainment, marketing, licensing, supplies, hardware, software, rent, utilities, depreciation and amortization and other expenses. We anticipate that as we continue to add new customers and increase our IIF, our expenses will also continue to increase.

Interest Expense

Interest expense is incurred as a result of borrowings under our secured credit facility (the “Credit Facility”). Borrowings under the Credit Facility may be used for working capital and general corporate purposes, including, without limitation, capital contributions to Essent’s insurance and reinsurance subsidiaries. Borrowings accrue interest at a floating rate tied to a standard short-term borrowing index, selected at the Company’s option, plus an applicable margin.

Income Taxes

Income taxes are incurred based on the amount of earnings or losses generated in the jurisdictions in which we operate and the applicable tax rates and regulations in those jurisdictions. Our U.S. insurance subsidiaries are generally not subject to income taxes in the states in which we operate; however, our non-insurance subsidiaries are subject to state income taxes. In lieu of state income taxes, our insurance subsidiaries pay premium taxes that are recorded in other underwriting and operating expenses.

Essent Group Ltd. ("Essent Group") and its wholly-owned subsidiary, Essent Re, are domiciled in Bermuda, which does not have a corporate income tax. Essent Re reinsures 25% of Essent Guaranty's NIW under a quota share reinsurance agreement. Essent Re also provides insurance and reinsurance to Freddie Mac and Fannie Mae.

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The amount of income tax expense or benefit recorded in future periods will be dependent on the jurisdictions in which we operate and the tax laws and regulations in effect.

Mortgage Insurance Earnings and Cash Flow Cycle

In general, the majority of any underwriting profit (premium revenue minus losses) that a book generates occurs in the early years of the book, with the largest portion of any underwriting profit realized in the first year. Subsequent years of a book generally result in modest underwriting profit or underwriting losses. This pattern generally occurs because relatively few of the claims that a book will ultimately experience typically occur in the first few years of the book, when premium revenue is highest, while subsequent years are affected by declining premium revenues, as the number of insured loans decreases (primarily due to loan prepayments), and by increasing losses.

Key Performance Indicators

Insurance In Force

As discussed above, premiums we collect and earn are generated based on our IIF, which is a function of our NIW and cancellations. The following table includes a summary of the change in our IIF for the years ended December 31, 2020, 2019 and 2018 for our U.S. mortgage insurance portfolio. In addition, this table includes our RIF at the end of each period.

	Year Ended December 31,
($ in thousands)	2020		2019		2018
IIF, beginning of period	$	164,005,853	$	137,720,786	$	110,461,950
NIW	107,944,065		63,569,183		47,508,525
Cancellations	(73,067,566)		(37,284,116)		(20,249,689)
IIF, end of period	$	198,882,352	$	164,005,853	$	137,720,786
Average IIF during the period	$	178,294,034	$	152,001,491	$	123,361,264
RIF, end of period	$	41,339,262	$	38,947,857	$	33,892,869

The following is a summary of our IIF at December 31, 2020 by vintage:

($ in thousands)	$		%
2020	$	102,123,354	51.3	%
2019	38,688,532		19.5
2018	18,677,363		9.4
2017	16,268,294		8.2
2016	11,314,546		5.7
2015 and prior	11,810,263		5.9
	$	198,882,352	100.0	%

Average Net Premium Rate

Our average net premium rate is calculated by dividing net premiums earned for the U.S. mortgage insurance portfolio by average insurance in force for the period and is dependent on a number of factors, including: (1) the risk characteristics and average coverage on the mortgages we insure; (2) the mix of monthly premiums compared to single premiums in our portfolio; (3) cancellations of non-refundable single premiums during the period; (4) changes to our pricing for NIW; and (5) premiums ceded under third-party reinsurance agreements. For the years ended December 31, 2020, 2019 and 2018, our average net premium rate was 0.46%, 0.49% and 0.50%, respectively. We anticipate that the continued use of third-party reinsurance along with changes to the level of future cancellations of non-refundable single premium policies and mix of IIF will reduce our average net premium rate in future periods.

Persistency Rate

The measure for assessing the impact of policy cancellations on IIF is our persistency rate, defined as the percentage of IIF that remains on our books after any twelve-month period. See additional discussion regarding the impact of the persistency rate on our performance in "—Factors Affecting Our Results of Operations—Persistency and Business Mix."

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Risk-to-Capital

The risk-to-capital ratio has historically been used as a measure of capital adequacy in the U.S. mortgage insurance industry and is calculated as a ratio of net risk in force to statutory capital. Net risk in force represents total risk in force net of reinsurance ceded and net of exposures on policies for which loss reserves have been established. Statutory capital for our U.S. insurance companies is computed based on accounting practices prescribed or permitted by the Pennsylvania Insurance Department. See additional discussion in "—Liquidity and Capital Resources—Insurance Company Capital."

As of December 31, 2020, our combined net risk in force for our U.S. insurance companies was $29.5 billion and our combined statutory capital was $2.7 billion, resulting in a risk-to-capital ratio of 11.1 to 1. The amount of capital required varies in each jurisdiction in which we operate; however, generally, the maximum permitted risk-to-capital ratio is 25.0 to 1. State insurance regulators are currently examining their respective capital rules to determine whether, in light of the financial crisis, changes are needed to more accurately assess mortgage insurers' ability to withstand stressful economic conditions. As a result, the capital metrics under which they assess and measure capital adequacy may change in the future. Independent of the state regulator and GSE capital requirements, management continually assesses the risk of our insurance portfolio and current market and economic conditions to determine the appropriate levels of capital to support our business.

Results of Operations

The following table sets forth our results of operations for the periods indicated:

	Year Ended December 31,
Summary of Operations (In thousands)	2020		2019		2018
Revenues:
Net premiums written	$	834,113	$	760,845	$	685,287
Decrease (increase) in unearned premiums	28,451		16,580		(35,795)
Net premiums earned	862,564		777,425		649,492
Net investment income	80,087		83,542		64,091
Realized investment gains, net	2,697		3,229		1,318
Other income	9,806		3,371		4,452
Total revenues	955,154		867,567		719,353
Losses and expenses:
Provision for losses and LAE	301,293		32,986		11,575
Other underwriting and operating expenses	154,691		165,369		150,900
Interest expense	9,074		10,151		10,179
Total losses and expenses	465,058		208,506		172,654
Income before income taxes	490,096		659,061		546,699
Income tax expense	77,055		103,348		79,336
Net income	$	413,041	$	555,713	$	467,363

Year Ended December 31, 2020 Compared to the Year Ended December 31, 2019

For the year ended December 31, 2020, we reported net income of $413.0 million, compared to net income of $555.7 million for the year ended December 31, 2019. The decrease in our operating results in 2020 over 2019 was primarily due to the increase in the provision for losses and LAE, partially offset by the increase in net premiums earned and other income and decreases in other underwriting and operating expenses and income taxes.

Net Premiums Written and Earned

Net premiums earned increased in the year ended December 31, 2020 by 11% compared to the year ended December 31, 2019 due to the increase in our average IIF from $152.0 billion in 2019 to $178.3 billion in 2020, partially offset by the decrease in the average net premium rate from 0.49% for the year ended December 31, 2019 to 0.46% for the year ended

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December 31, 2020. The decrease in the average net premium rate during the year ended December 31, 2020 was a result of an increase in ceded premiums, changes in the mix of the mortgages we insure, in part due to lower persistency, and changes in our pricing which were partially offset by an increase in premiums earned on the cancellation of non-refundable single premium policies. In the year ended December 31, 2020, ceded premiums increased to $88.7 million from $35.5 million in the year ended December 31, 2019 primarily due to an increase in amounts ceded under our QSR Agreement associated with additional risk ceded in 2020 and reduced profit commission as a result of higher ceded losses, new third-party reinsurance agreements entered in 2020 and a full year of premiums ceded under third-party reinsurance agreements entered in 2019. In the year ended December 31, 2020, premiums earned on the cancellation of non-refundable single premium policies increased to $88.9 million from $42.5 million in the year ended December 31, 2019 as a result of an increase in existing borrowers refinancing their mortgages due to favorable mortgage interest rates.

Net premiums written increased in the year ended December 31, 2020 by 10% over the prior year. The increase was due primarily to the increase in average IIF for the year ended December 31, 2020 as compared to the year ended December 31, 2019, partially offset by an increase in premiums ceded under third-party reinsurance agreements, a decrease in new single premium policies written, changes in the mix of mortgages we insure and changes in our pricing.

In the year ended December 31, 2020, unearned premiums decreased by $28.5 million as a result of net premiums written on single premium policies of $121.9 million which was offset by $150.4 million of unearned premium that was recognized in earnings during the year. In the year ended December 31, 2019, unearned premiums decreased by $16.6 million as a result of net premiums written on single premium policies of $93.5 million which was partially offset by $110.1 million of unearned premium that was recognized in earnings during the year.

Net Investment Income

Our net investment income was derived from the following sources for the periods indicated:

	Year Ended December 31,
(In thousands)	2020		2019
Fixed maturities	$	83,313	$	82,194
Short-term investments	1,669		5,049
Gross investment income	84,982		87,243
Investment expenses	(4,895)		(3,701)
Net investment income	$	80,087	$	83,542

The decrease in net investment income to $80.1 million for the year ended December 31, 2020 as compared to $83.5 million for the year ended December 31, 2019 was due to a decrease in the pre-tax investment income yield partially offset by the increase in the weighted average balance of our investment portfolio. The average cash and investment portfolio balance increased to $4.0 billion during the year ended December 31, 2020 from $3.1 billion during the year ended December 31, 2019, primarily as a result of investing cash flows generated from operations, proceeds from the public offering of common shares completed in June 2020 and increased borrowings under the Credit Facility. The pre-tax investment income yield decreased from 2.8% in the year ended December 31, 2019 to 2.1% in the year ended December 31, 2020 primarily due to an increase in the share of our investments allocated to cash, a general decline in investment yields due to declining interest rates and an increase in premium amortization on mortgage-backed and asset-backed securities. The pre-tax investment income yields are calculated based on amortized cost and exclude investment expenses. See "—Liquidity and Capital Resources" for further details of our investment portfolio.

Other Income

Other income for the year ended December 31, 2020 was $9.8 million compared to $3.4 million for the year ended December 31, 2019. The increase in other income for the year ended December 31, 2020 as compared to the year ended December 31, 2019 was primarily due to an increase in Triad service fees partially offset by a net unfavorable decrease in the fair value of the embedded derivatives. In the year ended December 31, 2020 we earned Triad service fees of $6.3 million compared to $1.2 million for the year ended December 31, 2019. Effective December 1, 2019, the Triad services agreement was amended providing for a flat monthly fee through November 30, 2021. In the year ended December 31, 2020 we recorded a net unfavorable decrease in the fair value of the embedded derivatives of $2.6 million compared to a net unfavorable decrease of $1.8 million in the year ended December 31, 2019. Other income also includes contract underwriting revenues and underwriting consulting services to third-party reinsurers.

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Provision for Losses and Loss Adjustment Expenses

The increase in the provision for losses and LAE in 2020 as compared to 2019 was primarily due to the increase in defaults related to COVID-19.

The following table presents a rollforward of insured loans in default for our U.S. mortgage insurance portfolio for the periods indicated:

	Year Ended December 31,
	2020	2019
Beginning default inventory	5,947	4,024
Plus: new defaults	62,649	13,304
Less: cures	(36,711)	(10,985)
Less: claims paid	(378)	(377)
Less: rescissions and denials, net	(38)	(19)
Ending default inventory	31,469	5,947

As of December 31, 2020, the ending default inventory included 28,922 defaults classified as COVID-19 defaults.

The following table includes additional information about our loans in default as of the dates indicated for our U.S. mortgage insurance portfolio:

	As of December 31,
	2020			2019
Case reserves (in thousands) (1)	$	343,290		$	63,180
Total reserves (in thousands) (1)	$	373,868		$	69,183
Ending default inventory	31,469			5,947
Average case reserve per default (in thousands)	$	10.9		$	10.6
Average total reserve per default (in thousands)	$	11.9		$	11.6
Default rate	3.93		%	0.85		%
Claims received included in ending default inventory	52			129

_______________________________________________________________________________

(1)The U.S. mortgage insurance portfolio reserves exclude reserves on GSE and other risk share risk in force at Essent Re of $1,073 and $179 as of December 31, 2020 and 2019, respectively.

The increase in the average case reserve per default was primarily due to provision and cure activity for COVID-19 defaults and changes in the composition (such as mark-to-market loan-to-value ratios, risk in force, and number of months past due) of the underlying loans in default. Based on the forbearance programs in place and the credit characteristics of the COVID-19 defaulted loans, we expect the ultimate number of COVID-19-related defaults that result in claims will be less than our historical default-to-claim experience. Accordingly, we recorded a reserve equal to approximately 7% of the risk in force for the COVID-19 default notices received in April 2020 through September 2020. As a result of cure activity on April 2020 through September 2020 COVID-19 defaults during the year ended December 31, 2020, the average reserve per COVID-19 default has increased from approximately 7% and 11% as of June 30, 2020 and September 30, 2020, respectively, to approximately 16% as of December 31, 2020. The credit characteristics of defaults reported in October 2020 through December 2020 have trended towards those of the pre-pandemic periods and we have observed the normalization of other default patterns during this period. In addition, the economic conditions during the fourth quarter of 2020 have been different than those experienced in the second and third quarters of 2020. We believe that while defaults in October 2020 through December 2020 were impacted by the pandemic’s effect on the economy, the underlying credit performance of these defaults may not be the same as the expected performance for default notices received in April 2020 through September 2020 that occurred following the onset of the pandemic and these defaults are more likely to transition like pre-pandemic defaults. Accordingly, we established reserves for defaults reported in October 2020 through December 2020 using our normal reserve methodology. The reserve for losses and LAE on COVID-19 defaults was $316.3 million at December 31, 2020.

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The following table provides a reconciliation of the beginning and ending reserve balances for losses and LAE:

	Year Ended December 31,
(In thousands)	2020		2019
Reserve for losses and LAE at beginning of year	$	69,362	$	49,464
Less: Reinsurance recoverables	71		—
Net reserve for losses and LAE at beginning of year	69,291		49,464
Add provision for losses and LAE occurring in:
Current year	317,516		50,562
Prior years	(16,223)		(17,576)
Incurred losses and LAE during the current year	301,293		32,986
Deduct payments for losses and LAE occurring in:
Current year	1,018		1,288
Prior years	13,686		11,871
Loss and LAE payments during the current year	14,704		13,159
Net reserve for losses and LAE at end of year	355,880		69,291
Plus: Reinsurance recoverables	19,061		71
Reserve for losses and LAE at end of year	$	374,941	$	69,362

The following tables provide a detail of reserves and defaulted RIF by the number of missed payments and pending claims for our U.S. mortgage insurance portfolio:

	As of December 31, 2020
($ in thousands)	Number of Policies in Default	Percentage of Policies in Default		Amount of Reserves		Percentage of Reserves		Defaulted RIF		Reserves as a Percentage of Defaulted RIF
Missed payments:
Three payments or less	6,631	21	%	$	47,905	14	%	$	384,668	12	%
Four to eleven payments	23,543	75		260,593		76		1,553,593		17
Twelve or more payments	1,243	4		32,593		9		67,501		48
Pending claims	52	—		2,199		1		2,843		77
Total case reserves (1)	31,469	100	%	343,290		100	%	$	2,008,605	17
IBNR				25,747
LAE				4,831
Total reserves for losses and LAE (1)				$	373,868

_______________________________________________________________________________

(1)The U.S. mortgage insurance portfolio reserves exclude reserves on GSE and other risk share risk in force at Essent Re of $1,073 as of December 31, 2020.

	As of December 31, 2019
($ in thousands)	Number of Policies in Default	Percentage of Policies in Default		Amount of Reserves		Percentage of Reserves		Defaulted RIF		Reserves as a Percentage of Defaulted RIF
Missed payments:
Three payments or less	3,310	56	%	$	15,793	25	%	$	177,238	9	%
Four to eleven payments	2,035	34		28,006		44		108,743		26
Twelve or more payments	473	8		13,549		22		27,152		50
Pending claims	129	2		5,832		9		6,777		86
Total case reserves (2)	5,947	100	%	63,180		100	%	$	319,910	20
IBNR				4,738
LAE				1,265
Total reserves for losses and LAE (2)				$	69,183

_______________________________________________________________________________

(2)The U.S. mortgage insurance portfolio reserves exclude reserves on GSE and other risk share risk in force at Essent Re of $179 as of December 31, 2019.

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During the year ended December 31, 2020, the provision for losses and LAE was $301.3 million, comprised of $317.5 million of current year losses partially offset by $16.2 million of favorable prior years' loss development. During the year ended December 31, 2019, the provision for losses and LAE was $33.0 million, comprised of $50.6 million of current year losses partially offset by $17.6 million of favorable prior years' loss development. In both periods, the favorable prior years' loss development was the result of a re-estimation of amounts ultimately to be paid on prior year defaults in the default inventory, including the impact of previously identified defaults that cured.

The following table includes additional information about our claims paid and claim severity as of the dates indicated:

	Year Ended December 31,
($ in thousands)	2020			2019
Number of claims paid	378			377
Amount of claims paid	$	14,354		$	12,613
Claim severity	75		%	74		%

Other Underwriting and Operating Expenses

Following are the components of our other underwriting and operating expenses for the periods indicated:

	Year Ended December 31,
	2020				2019
($ in thousands)	$		%		$		%
Compensation and benefits	$	93,066	60	%	$	93,660	57	%
Premium taxes	20,209		13		17,572		10
Other	41,416		27		54,137		33
Total other underwriting and operating expenses	$	154,691	100	%	$	165,369	100	%
Number of employees at end of year			381				387

The significant factors contributing to the change in other underwriting and operating expenses are:

•Compensation and benefits decreased primarily due to a decrease in incentive compensation, partially offset by increased salaries and overtime associated with our increased NIW and increased stock compensation expense associated with shares granted in 2019 and 2020. Compensation and benefits includes salaries, wages and bonus, stock compensation expense, benefits and payroll taxes.

•Premium taxes increased primarily due to an increase in premiums written.

•Other expenses decreased as a result of ceding commission earned under the QSR Agreement and lower travel expenses. Other expenses include professional fees, travel, marketing, hardware, software, rent, depreciation and amortization and other facilities expenses.

Interest Expense

For the years ended December 31, 2020 and 2019, we incurred interest expense of $9.1 million and $10.2 million, respectively. Interest expense decreased primarily due to a decrease in the weighted average interest rate on amounts outstanding under the Credit Facility, partially offset by an increase in the average amounts outstanding under the Credit Facility. For the year ended December 31, 2020, the average amount outstanding under the Credit Facility was $356.3 million as compared to $225.0 million for the year ended December 31, 2019. For the years ending December 31, 2020 and 2019, the borrowings under the Credit Facility had a weighted average interest rate of 2.30% and 4.26%, respectively.

Income Taxes

Our subsidiaries in the United States file a consolidated U.S. Federal income tax return. Our income tax expense was $77.1 million for the year ended December 31, 2020 compared to $103.3 million for the year ended December 31, 2019. The effective tax rate for the year ended December 31, 2020 was 15.8% before reductions for excess tax benefits associated with the

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vesting of common shares and common share units of $0.6 million. The effective tax rate for the year ended December 31, 2019, was 16.0% before reductions for excess tax benefits associated with the vesting of common shares and common share units of $2.2 million. The tax effects associated with the vesting of common shares and common share units are treated as discrete items in the reporting period in which they occur and are not considered in determining the annual effective tax rate.

At December 31, 2020 and 2019, we concluded that it was more likely than not that our deferred tax assets would be realized.

Year Ended December 31, 2019 Compared to the Year Ended December 31, 2018

        Pursuant to the FAST Act Modernization and Simplification of Regulation S-K, discussions related to the changes in results of operations for the year ended December 31, 2019 compared to the year ended December 31, 2018 have been omitted. Such omitted discussion can be found under Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2019 filed with the Securities and Exchange Commission on February 18, 2020.

Liquidity and Capital Resources

Overview

Our sources of funds consist primarily of:

•our investment portfolio and interest income on the portfolio;

•net premiums that we will receive from our existing IIF as well as policies that we write in the future;

•borrowings under our Credit Facility; and

•issuance of capital shares.

Our obligations consist primarily of:

•claim payments under our policies;

•interest payments and repayment of borrowings under our Credit Facility;

•the other costs and operating expenses of our business; and

•the payment of dividends on our common shares.

As of December 31, 2020, we had substantial liquidity with cash of $102.8 million, short-term investments of $726.9 million and fixed maturity investments of $3.8 billion. We also had $300 million available capacity under the revolving credit component of our Credit Facility, with $325 million of term borrowings outstanding under our Credit Facility. Borrowings under the Credit Facility contractually mature on October 16, 2023. In June 2020, we completed a public offering of 13.8 million common shares to strengthen our capital resources and provide financial flexibility. Net proceeds from this offering were approximately $440 million. At December 31, 2020, net cash and investments at the holding company were $562.7 million. In addition, Essent Guaranty is a member of the Federal Home Loan Bank of Pittsburgh (the “FHLBank”) and has access to secured borrowing capacity with the FHLBank to provide Essent Guaranty with supplemental liquidity. Essent Guaranty had no outstanding borrowings with the FHLBank at December 31, 2020.

Management believes that the Company has sufficient liquidity available both at the holding company and in its insurance and other operating subsidiaries to meet its operating cash needs and obligations and committed capital expenditures for the next 12 months.

While the Company and all of its subsidiaries are expected to have sufficient liquidity to meet all their expected obligations, additional capital may be required to meet any new capital requirements that are adopted by regulatory authorities or the GSEs, to respond to changes in the business or economic environment related to COVID-19, to provide additional capital related to the growth of our risk in force in our mortgage insurance portfolio, or to fund new business initiatives including the insurance activities of Essent Re. We continually evaluate opportunities based upon market conditions to further increase our

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financial flexibility through the issuance of equity or debt, or other options including reinsurance or credit risk transfer transactions. There can be no guarantee that any such opportunities will be available on acceptable terms or at all.

At the operating subsidiary level, liquidity could be impacted by any one of the following factors:

•significant decline in the value of our investments;

•inability to sell investment assets to provide cash to fund operating needs;

•decline in expected revenues generated from operations;

•increase in expected claim payments related to our IIF; or

•increase in operating expenses.

Our U.S. insurance subsidiaries are subject to certain capital and dividend rules and regulations prescribed by jurisdictions in which they are authorized to operate and the GSEs. Under the insurance laws of the Commonwealth of Pennsylvania, the insurance subsidiaries may pay dividends during any twelve-month period in an amount equal to the greater of (i) 10% of the preceding year-end statutory policyholders' surplus or (ii) the preceding year's statutory net income. The Pennsylvania statute also requires that dividends and other distributions be paid out of positive unassigned surplus without prior approval. At December 31, 2020, Essent Guaranty, had unassigned surplus of approximately $343.6 million. Essent Guaranty of PA, Inc. had unassigned surplus of approximately $15.4 million as of December 31, 2020. As a result of PMIERs guidance issued by the GSEs, through June 30, 2021, Essent Guaranty is required to obtain GSE written approval before paying a dividend. Essent Re is subject to certain dividend restrictions as prescribed by the Bermuda Monetary Authority and under certain agreements with counterparties. In connection with a quota share reinsurance agreement with Essent Guaranty, Essent Re has agreed to maintain a minimum total equity of $100 million. As of December 31, 2020, Essent Re had total equity of $1.1 billion. In connection with its insurance and reinsurance activities, Essent Re is required to maintain assets in trusts for the benefit of its contractual counterparties. See Note 3 to our consolidated financial statements. At December 31, 2020, our insurance subsidiaries were in compliance with these rules, regulations and agreements.

Cash Flows

The following table summarizes our consolidated cash flows from operating, investing and financing activities:

	Year Ended December 31,
(In thousands)	2020		2019		2018
Net cash provided by operating activities	$	727,931	$	589,848	$	625,321
Net cash used in investing activities	(1,154,417)		(545,076)		(546,905)
Net cash provided by (used in) financing activities	457,966		(38,368)		(56,994)
Net increase in cash	$	31,480	$	6,404	$	21,422

Operating Activities

Cash flow provided by operating activities totaled $727.9 million for the year ended December 31, 2020, as compared to $589.8 million for the year ended December 31, 2019 and $625.3 million for the year ended December 31, 2018. The increase in cash flow from operations of $138.1 million in 2020 was primarily due to an increase in premiums collected and a decrease in United States Mortgage Guaranty Tax and Loss Bonds (“T&L Bonds”) purchased during 2020. The decrease in cash flow from operations of $35.5 million in 2019 was primarily due to an increase in T&L Bonds purchased and an increase in expenses paid, partially offset by increases in premiums collected and net investment income.

Investing Activities

Cash flow used in investing activities totaled $1.2 billion for the year ended December 31, 2020 and primarily related to investing cash flows from the business, net proceeds of approximately $440 million from the completion of a public offering of common shares in June and net increased borrowings under the Credit Facility. Cash flow used in investing activities totaled $545.1 million for the year ended December 31, 2019 and $546.9 million for the year ended December 31, 2018 and primarily related to investing cash flows from the business in both periods.

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Financing Activities

Cash flow provided by financing activities totaled $458.0 million for the year ended December 31, 2020 and primarily related to $440 million of net proceeds from the completion of a public offering of common shares in June and net increased borrowings under the Credit Facility, partially offset by quarterly cash dividends paid in 2020 and treasury stock acquired from employees to satisfy tax withholding obligations. Cash flow used in financing activities totaled $38.4 million for the year ended December 31, 2019 and primarily related to our inaugural quarterly cash dividend paid in September 2019, quarterly cash dividend paid in December 2019 and treasury stock acquired from employees to satisfy tax withholding obligations. Cash flow used in financing activities totaled $57.0 million for the year ended December 31, 2018 and primarily related to treasury stock acquired from employees to satisfy tax withholding obligations and net repayments of borrowings under the Credit Facility.

Insurance Company Capital

We compute a risk-to-capital ratio for our U.S. insurance companies on a separate company statutory basis, as well as for our combined insurance operations. The risk-to-capital ratio is our net risk in force divided by our statutory capital. Our net risk in force represents risk in force net of reinsurance ceded, if any, and net of exposures on policies for which loss reserves have been established. Statutory capital consists primarily of statutory policyholders' surplus (which increases as a result of statutory net income and decreases as a result of statutory net loss and dividends paid), plus the statutory contingency reserve. The statutory contingency reserve is reported as a liability on the statutory balance sheet. A mortgage insurance company is required to make annual contributions to the contingency reserve of 50% of net premiums earned. These contributions must generally be maintained for a period of ten years. However, with regulatory approval, a mortgage insurance company may make early withdrawals from the contingency reserve when incurred losses exceed 35% of net premiums earned in a calendar year.

During the years ended December 31, 2020 and 2019, no capital contributions were made to our U.S. insurance subsidiaries.

Essent Guaranty has entered into reinsurance agreements that provide excess of loss reinsurance coverage for new defaults on portfolios of mortgage insurance policies issued in 2015 through 2020. The aggregate excess of loss reinsurance coverages decrease over a ten-year period as the underlying covered mortgages amortize. Based on the level of delinquencies reported to us, the insurance-linked note transactions (the “ILNs”) that Essent Guaranty entered into prior to March 31, 2020 became subject to a "trigger event" as of June 25, 2020. The aggregate excess of loss reinsurance coverage will not amortize during the continuation of a trigger event. Effective September 1, 2019, Essent Guaranty entered into a quota share reinsurance agreement with a panel of third-party reinsurers (the "QSR Agreement"). Under the QSR Agreement, Essent Guaranty will cede premiums earned related to 40% of risk on eligible single premium policies and 20% of risk on all other eligible policies written September 1, 2019 through December 31, 2020, in exchange for reimbursement of ceded claims and claims expenses on covered policies, a 20% ceding commission, and a profit commission of up to 60% that varies directly and inversely with ceded claims. These reinsurance coverages also reduces net risk in force and PMIERs Minimum Required Assets. See Note 5 to our consolidated financial statements.

Our combined risk-to-capital calculation for our U.S. insurance subsidiaries as of December 31, 2020 was as follows:

Combined statutory capital: ($ in thousands)
Policyholders’ surplus	$	1,103,347
Contingency reserves	1,555,814
Combined statutory capital	$	2,659,161
Combined net risk in force	$	29,493,572
Combined risk-to-capital ratio	11.1:1

For additional information regarding regulatory capital see Note 16 to our consolidated financial statements. Our combined statutory capital equals the sum of statutory capital of Essent Guaranty plus Essent Guaranty of PA, Inc., after eliminating the impact of intercompany transactions. The combined risk-to-capital ratio equals the sum of the net risk in force of Essent Guaranty and Essent Guaranty of PA, Inc. divided by combined statutory capital. The information above has been derived from the annual and quarterly statements of our insurance subsidiaries, which have been prepared in conformity with accounting practices prescribed or permitted by the Pennsylvania Insurance Department and the National Association of Insurance Commissioners Accounting Practices and Procedures Manual. Such practices vary from accounting principles generally accepted in the United States.

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Essent Re has entered into GSE and other risk share transactions, including insurance and reinsurance transactions with Freddie Mac and Fannie Mae. Essent Re also reinsures 25% of Essent Guaranty’s NIW under a quota share reinsurance agreement. During the year ended December 31, 2020, Essent Re paid no dividends to Essent Group. During the year ended December 31, 2019, Essent Re paid dividends to Essent Group of $55 million to increase holding company liquidity. Essent Group made no capital contributions to Essent Re during the years ended December 31, 2020 and 2019. As of December 31, 2020, Essent Re had total stockholders’ equity of $1.1 billion and net risk in force of $12.9 billion.

Financial Strength Ratings

The financial strength ratings of Essent Guaranty, our principal mortgage insurance subsidiary, are A3 with a stable outlook by Moody's, BBB+ with a negative outlook by S&P and A (Excellent) with a stable outlook by A.M. Best. The financial strength ratings of Essent Re are BBB+ with a negative outlook by S&P and A (Excellent) with a stable outlook by A.M. Best.

Private Mortgage Insurer Eligibility Requirements

Effective December 31, 2015, Fannie Mae and Freddie Mac, at the direction of the FHFA, implemented new coordinated Private Mortgage Insurer Eligibility Requirements, which we refer to as the "PMIERs." The PMIERs represent the standards by which private mortgage insurers are eligible to provide mortgage insurance on loans owned or guaranteed by Fannie Mae and Freddie Mac. The PMIERs include financial strength requirements incorporating a risk-based framework that require approved insurers to have a sufficient level of liquid assets from which to pay claims. This risk-based framework provides that an insurer must hold a substantially higher level of required assets for insured loans that are in default compared to a performing loan. The PMIERs also include enhanced operational performance expectations and define remedial actions that apply should an approved insurer fail to comply with these requirements. In 2018, the GSEs released revised PMIERs framework ("PMIERs 2.0") which became effective on March 31, 2019. As of December 31, 2020, Essent Guaranty, our GSE-approved mortgage insurance company, was in compliance with the PMIERs 2.0. As of December 31, 2020, Essent Guaranty's Available Assets were $2.86 billion and its Minimum Required Assets were $1.65 billion based on our interpretation of the PMIERs 2.0.

Under PMIERs guidance issued by the GSEs effective June 30, 2020, Essent will apply a 0.30 multiplier to the risk-based required asset amount factor for each insured loan in default backed by a property located in a Federal Emergency Management Agency (“FEMA”) Declared Major Disaster Area eligible for Individual Assistance and that either 1) is subject to a forbearance plan granted in response to a FEMA Declared Major Disaster, the terms of which are materially consistent with terms of forbearance plans, repayment plans or loan modification trial period offered by Fannie Mae or Freddie Mac, or 2) has an initial missed payment occurring up to either (i) 30 days prior to the first day of the incident period specified in the FEMA Major Disaster Declaration or (ii) 90 days following the last day of the incident period specified in the FEMA Major Disaster Declaration, not to exceed 180 days from the first day of the incident period specified in the FEMA Major Disaster Declaration. In the case of the foregoing, the 0.30 multiplier shall be applied to the risk-based required asset amount factor for a non-performing primary mortgage guaranty insurance loan for no longer than three calendar months beginning with the month the loan becomes a non-performing primary mortgage guaranty insurance loan by reaching two missed monthly payments absent a forbearance plan described in 1) above. Further, under temporary provisions provided by the PMIERs guidance, Essent will apply a 0.30 multiplier to the risk-based required asset amount factor for each insured loan in default backed by a property that has an initial missed payment occurring on or after March 1, 2020 and prior to April 1, 2021 (COVID-19 Crisis Period). The 0.30 multiplier will be applicable for insured loans in default 1) subject to a forbearance plan granted in response to a financial hardship related to COVID-19 (which shall be assumed to be the case for any loan that has an initial missed payment occurring during the COVID-19 Crisis Period and is subject to a forbearance plan, repayment plan or loan modification trial period), the terms of which are materially consistent with terms offered by Fannie Mae or Freddie Mac or 2) for no longer than three calendar months beginning with the month the loan becomes a non-performing primary mortgage guaranty insurance loan by reaching two missed monthly payments. The 28,922 COVID-19 defaults included in our December 31, 2020 default inventory fall into categories 1) and 2) above and received the 0.30 multiplier in calculating the PMIERs required assets.

Financial Condition

Stockholders' Equity

As of December 31, 2020, stockholders’ equity was $3.9 billion compared to $3.0 billion as of December 31, 2019. This increase was primarily due to the completion of a public offering of common shares in June 2020, net income generated in 2020 and an increase in accumulated other comprehensive income related to an increase in our unrealized investment gains, partially offset by dividends paid in 2020.

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Investments

As of December 31, 2020, investments totaled $4.7 billion compared to $3.4 billion as of December 31, 2019. In addition, our total cash was $102.8 million as of December 31, 2020, compared to $71.4 million as of December 31, 2019. The increase in investments was primarily due to investing net cash flows from operations, the net proceeds from the public offering

of common shares and the increase in net borrowings under the Credit Facility during the year ended December 31, 2020.

Investments Available for Sale by Asset Class

Asset Class	December 31, 2020				December 31, 2019
($ in thousands)	Fair Value		Percent		Fair Value		Percent
U.S. Treasury securities	$	268,444	5.9	%	$	242,206	7.2	%
U.S. agency securities	18,085		0.4		33,605		1.0
U.S. agency mortgage-backed securities	995,905		21.8		848,334		25.3
Municipal debt securities(1)	551,517		12.1		361,638		10.8
Non-U.S. government securities	61,607		1.3		54,995		1.7
Corporate debt securities(2)	1,126,512		24.7		880,301		26.3
Residential and commercial mortgage securities	409,282		9.0		288,281		8.6
Asset-backed securities	454,717		9.9		326,025		9.7
Money market funds	679,304		14.9		315,362		9.4
Total Investments Available for Sale	$	4,565,373	100.0	%	$	3,350,747	100.0	%

_______________________________________________________________________________

	December 31,		December 31,
(1) The following table summarizes municipal debt securities as of :	2020		2019
Special revenue bonds	76.8	%	74.5	%
General obligation bonds	20.3		21.3
Certificate of participation bonds	2.3		3.4
Tax allocation bonds	0.6		0.8
Total	100.0	%	100.0	%

	December 31,		December 31,
(2) The following table summarizes corporate debt securities as of :	2020		2019
Financial	34.9	%	34.4	%
Consumer, non-cyclical	19.1		20.1
Communications	9.3		10.3
Energy	8.2		8.3
Consumer, cyclical	8.0		7.6
Technology	6.1		4.8
Utilities	5.9		6.2
Industrial	5.3		4.2
Basic materials	3.1		4.1
Government	0.1		—
Total	100.0	%	100.0	%

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Investments Available for Sale by Rating

Rating(1)	December 31, 2020				December 31, 2019
($ in thousands)	Fair Value		Percent		Fair Value		Percent
Aaa	$	2,564,746	56.2	%	$	1,817,905	54.2	%
Aa1	133,100		2.9		109,122		3.3
Aa2	260,462		5.7		145,282		4.3
Aa3	204,917		4.5		159,599		4.8
A1	249,710		5.5		206,643		6.2
A2	401,175		8.8		183,780		5.5
A3	229,882		5.0		191,933		5.7
Baa1	260,602		5.7		232,490		6.9
Baa2	178,926		3.9		179,664		5.4
Baa3	48,199		1.1		65,119		1.9
Below Baa3	33,654		0.7		59,210		1.8
Total Investments Available for Sale	$	4,565,373	100.0	%	$	3,350,747	100.0	%

_______________________________________________________________________________

(1)Based on ratings issued by Moody's, if available. S&P or Fitch Ratings ("Fitch") rating utilized if Moody's not available.

Investments Available for Sale by Effective Duration

Effective Duration	December 31, 2020				December 31, 2019
($ in thousands)	Fair Value		Percent		Fair Value		Percent
< 1 Year	$	1,568,505	34.4	%	$	1,038,782	31.0	%
1 to < 2 Years	581,003		12.7		306,148		9.1
2 to < 3 Years	616,069		13.5		348,708		10.4
3 to < 4 Years	426,333		9.3		361,147		10.8
4 to < 5 Years	367,633		8.1		443,382		13.2
5 or more Years	1,005,830		22.0		852,580		25.5
Total Investments Available for Sale	$	4,565,373	100.0	%	$	3,350,747	100.0	%

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Top Ten Investments Available for Sale Holdings

	December 31, 2020
Rank ($ in thousands)	Security	Fair Value			Amortized Cost		Unrealized Gain (Loss)(1)		Credit Rating(2)
1	Fannie Mae 3.500% 1/1/2058	$	26,634		$	25,184	$	1,450	Aaa
2	U.S. Treasury 0.250% 5/31/2025	25,558			25,565		(7)		Aaa
3	U.S. Treasury 2.625% 6/30/2023	20,966			19,685		1,281		Aaa
4	Fannie Mae 2.000% 8/1/2050	20,549			20,315		234		Aaa
5	U.S. Treasury 5.250% 11/15/2028	20,540			18,558		1,982		Aaa
6	Freddie Mac 4.000% 11/1/2048	20,371			19,691		680		Aaa
7	U.S. Treasury 1.500% 8/15/2026	18,525			17,453		1,072		Aaa
8	U.S. Treasury 0.125% 10/15/2023	17,611			17,595		16		Aaa
9	Freddie Mac 2.500% 7/1/2050	17,063			16,902		161		Aaa
10	U.S. Treasury 2.625% 7/15/2021	14,946			14,746		200		Aaa
Total		$	202,763		$	195,694	$	7,069
Percent of Investments Available for Sale		4.4		%

_______________________________________________________________________________

(1)As of December 31, 2020, for the security in an unrealized loss position, management believes decline in fair value is principally associated with the changes in the interest rate environment subsequent to its purchase. Also, see Note 3 to our consolidated financial statements, which summarizes the aggregate amount of gross unrealized losses by asset class in which the fair value of investments available for sale has been less than cost for less than 12 months and for 12 months or more.

(2)Based on ratings issued by Moody’s, if available. S&P or Fitch rating utilized if Moody’s not available.

Rank	December 31, 2019
($ in thousands)	Security	Fair Value
1	Fannie Mae 3.500% 1/1/2058	$	30,112
2	U.S. Treasury 5.250% 11/15/2028	29,480
3	Freddie Mac 4.000% 11/1/2048	28,530
4	U.S. Treasury 2.625% 6/30/2023	20,465
5	U.S. Treasury 1.500% 8/15/2026	17,161
6	Fannie Mae 4.500% 5/1/2048	16,972
7	Freddie Mac 4.500% 4/1/2049	16,585
8	U.S. Treasury 2.625% 7/15/2021	14,978
9	Freddie Mac 4.000% 5/15/2050	14,700
10	Fannie Mae 4.000% 5/1/2056	13,079
Total		$	202,062
Percent of Investments Available for Sale		6.0		%

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The following tables includes municipal securities for states that represent more than 10% of the total municipal bond position as of December 31, 2020:

($ in thousands)	Fair Value		Amortized Cost		Credit Rating (1), (2)
Texas
North Texas Tollway System	8,330		8,041		A2
University of Houston	$	6,683	$	6,329	Aa2
Texas A&M University	6,432		5,847		Aaa
State of Texas	5,836		5,435		Aaa
City of Houston TX Combined Utility System Revenue	5,287		4,615		Aa2
LCRA Transmission Services Corp	3,164		3,059		A2
Dallas/Fort Worth International Airport	2,584		2,463		A2
City of Austin TX Electric Utility Revenue	2,401		2,131		Aa3
City of Houston TX	2,243		2,088		Aa3
Harris County-Houston Sports Authority	2,177		2,055		A2
North Texas Municipal Water District	2,104		1,931		Aaa
City of Dallas TX	1,862		1,660		Aa3
City of Houston TX Airport System Revenue	1,574		1,544		A1
Tarrant Regional Water District	1,551		1,433		Aaa
City of Fort Worth TX Water & Sewer System Revenue	1,550		1,454		Aa1
City of San Antonio TX Airport System	1,288		1,184		A1
City of Corpus Christi TX Utility System Revenue	1,165		1,069		Aa3
Harris County Toll Road Authority	1,060		1,016		Aa1
Texas Tech University System	1,006		1,000		Aa1
Central Texas Turnpike System	997		942		Baa1
Metropolitan Transit Authority of Harris County Sales & Use Tax Revenue	966		911		Aaa
Denton Independent School District	894		893		Aaa
Frisco Independent School District	883		880		Aaa
County of Fort Bend TX	867		793		Aa1
San Jacinto Community College District	590		541		Aa3
Austin-Bergstrom Landhost Enterprises, Inc.	574		585		A3
Austin Independent School District	307		299		Aaa
	$	64,375	$	60,198

_______________________________________________________________________________

(1)Certain of the above securities may include financial guaranty insurance or state enhancements. The above ratings include the effect of these credit enhancements, if applicable.

(2)Based on ratings issued by Moody’s, if available. S&P or Fitch rating utilized if Moody’s not available.

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($ in thousands)	Fair Value		Amortized Cost		Credit Rating (1), (2)
New York
New York City Transitional Finance Authority Future Tax Secured Revenue	$	13,060	$	12,167	Aa1
The Port Authority of New York and New Jersey	7,689		7,248		Aa3
Metropolitan Transportation Authority	7,614		7,220		A3
State of New York Personal Income Tax Revenue	7,432		6,873		Aa2
City of New York NY	7,333		6,494		Aa2
Long Island Power Authority	4,158		4,003		A2
The Research Foundation of State University of New York	3,369		3,020		A1
New York State Dormitory Authority	2,904		2,749		A1
City of Yonkers NY	2,478		2,301		A2
TSASC, Inc.	2,463		2,177		A2
County of Nassau NY	2,211		1,987		A2
New York City Transitional Finance Authority Building Aid Revenue	1,593		1,488		Aa3
Town of Oyster Bay NY	1,075		1,032		Aa2
Yankee Stadium LLC	827		799		A2
	$	64,206	$	59,558

_______________________________________________________________________________

(1)Certain of the above securities may include financial guaranty insurance or state enhancements. The above ratings include the effect of these credit enhancements, if applicable.

(2)Based on ratings issued by Moody’s, if available. S&P or Fitch rating utilized if Moody’s not available.

Contractual Obligations

As of December 31, 2020, the approximate future payments under our contractual obligations of the type described in the table below are as follows:

	Payments due by period
($ in thousands)	Total		Less than 1 year		1 - 3 years		3 - 5 years		More than 5 years
Credit facility borrowings	$	325,000	$	—	$	325,000	$	—	$	—
Estimated loss and LAE payments(1)	374,941		37,396		250,132		87,413		—
Operating lease obligations	11,714		3,261		6,326		2,127		—
Unfunded investment commitments	67,810		31,500		30,000		6,310		—
Total	$	779,465	$	72,157	$	611,458	$	95,850	$	—

_______________________________________________________________________________

(1)Our estimate of loss and LAE payments reflects the application of accounting policies described below in "—Critical Accounting Policies—Reserve for Losses and Loss Adjustment Expenses." The payments due by period are based on management's estimates and assume that all of the loss and LAE reserves included in the table will result in payments.

We lease office space in Pennsylvania, North Carolina, California and Bermuda under leases accounted for as operating leases. A portion of the space leased in North Carolina has been subleased to Triad; minimum lease payments shown above have not been reduced by minimum sublease rental income of $0.1 million due in 2021 under the non-cancelable sublease.

Off-Balance Sheet Arrangements

Essent Guaranty has entered into fully collateralized reinsurance agreements ("Radnor Re Transactions") with unaffiliated special purpose insurers domiciled in Bermuda. The Radnor Re special purpose insurers are special purpose variable interest entities that are not consolidated in our consolidated financial statements because we do not have the unilateral power to direct those activities that are significant to their economic performance. As of December 31, 2020, our estimated off-balance sheet maximum exposure to loss from the Radnor Re entities was $0.3 million, representing the estimated net present value of

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investment earnings on the assets in the reinsurance trusts. See Note 5 to our consolidated financial statements for additional information.

Critical Accounting Policies

Our discussion and analysis of our financial condition and results of operation are based upon our consolidated financial statements, which have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP"). In preparing our consolidated financial statements, management has made estimates, assumptions and judgments that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. In preparing these financial statements, management has utilized available information, including our past history, industry standards and the current and projected economic and housing environment, among other factors, in forming its estimates, assumptions and judgments, giving due consideration to materiality. Because the use of estimates is inherent in GAAP, actual results could differ from those estimates. In addition, other companies may utilize different estimates, which may impact comparability of our results of operations to those of companies in similar businesses. A summary of the accounting policies that management believes are critical to the preparation of our consolidated financial statements is set forth below.

Insurance Premium Revenue Recognition

Mortgage guaranty insurance policies are contracts that are generally non-cancelable by the insurer, are renewable at a fixed price, and provide for payment of premium on a monthly, annual or single basis. Upon renewal, we are not able to re-underwrite or re-price our policies. Consistent with industry accounting practices, premiums written on a monthly basis are earned as coverage is provided. Premiums written on an annual basis are amortized on a pro rata basis over the year of coverage. Primary mortgage insurance written on policies covering more than one year are referred to as single premium policies. A portion of the revenue from single premium policies is recognized in earned premium in the current period, and the remaining portion is deferred as unearned premium and earned over the expected life of the policy. If single premium policies related to insured loans are cancelled due to repayment by the borrower, and the premium is non-refundable, then the remaining unearned premium related to each cancelled policy is recognized as earned premium upon notification of the cancellation. Unearned premium represents the portion of premium written that is applicable to the estimated unexpired risk of insured loans. Rates used to determine the earning of single premium policies are estimates based on an analysis of the expiration of risk.

Reserve for Losses and Loss Adjustment Expenses

We establish reserves for losses based on our best estimate of ultimate claim costs for defaulted loans using the general principles contained in ASC No. 944, in accordance with industry practice. However, consistent with industry standards for mortgage insurers, we do not establish loss reserves for future claims on insured loans which are not currently in default. Loans are classified as defaulted when the borrower has missed two consecutive payments. Once we are notified that a borrower has defaulted, we will consider internal and third-party information and models, including the status of the loan as reported by its servicer and the type of loan product to determine the likelihood that a default will reach claim status. In addition, we will project the amount that we will pay if a default becomes a claim (referred to as "claim severity"). Based on this information, at each reporting date we determine our best estimate of loss reserves at a given point in time. Included in loss reserves are reserves for incurred but not reported ("IBNR") claims. IBNR reserves represent our estimated unpaid losses on loans that are in default, but have not yet been reported to us as delinquent by our customers. We will also establish reserves for associated loss adjustment expenses, consisting of the estimated cost of the claims administration process, including legal and other fees and expenses associated with administering the claims process. Establishing reserves is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available. Our estimates of claim rates and claim sizes will be strongly influenced by prevailing economic conditions, such as the overall state of the economy, current rates or trends in unemployment, changes in housing values and/or interest rates, and our best judgments as to the future values or trends of these macroeconomic factors. Losses incurred are also generally affected by the characteristics of our insured loans, such as the loan amount, loan-to-value ratio, the percentage of coverage on the insured loan and the credit quality of the borrower.

Income Taxes

Deferred income tax assets and liabilities are determined using the asset and liability (or balance sheet) method. Under this method, we determine the net deferred tax asset or liability based on the tax effects of the temporary differences between the book and tax bases of the various assets and liabilities and give current recognition to changes in tax rates and laws. Changes in tax laws, rates, regulations and policies, or the final determination of tax audits or examinations, could materially affect our tax estimates. We evaluate the realizability of the deferred tax asset and recognize a valuation allowance if, based on

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the weight of all available positive and negative evidence, it is more likely than not that some portion or all of the deferred tax asset will not be realized. When evaluating the realizability of the deferred tax asset, we consider estimates of expected future taxable income, existing and projected book/tax differences, carryback and carryforward periods, tax planning strategies available, and the general and industry specific economic outlook. This realizability analysis is inherently subjective, as it requires management to forecast changes in the mortgage market, as well as the related impact on mortgage insurance, and the competitive and general economic environment in future periods. Changes in the estimate of deferred tax asset realizability, if applicable, are included in income tax expense on the consolidated statements of comprehensive income.

ASC No. 740 provides a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In accordance with ASC No. 740, before a tax benefit can be recognized, a tax position is evaluated using a threshold that it is more likely than not that the tax position will be sustained upon examination. When evaluating the more-likely-than-not recognition threshold, ASC No. 740 provides that a company should presume the tax position will be examined by the appropriate taxing authority that has full knowledge of all relevant information. If the tax position meets the more-likely-than-not recognition threshold, it is initially and subsequently measured as the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement. This analysis is inherently subjective, as it requires management to forecast the outcome of future tax examinations and the amount of tax benefits that will ultimately be realized given the facts, circumstances, and information available at the reporting date. New information may become available in future periods that could cause the actual amount of tax benefits to vary from management's estimates.

Investments

Our fixed maturity and short-term investments are classified as available for sale and are reported at fair value. The related unrealized gains or losses are, after considering the related tax expense or benefit, recognized as a component of accumulated other comprehensive income (loss) in stockholders' equity. Realized investment gains and losses are reported in income based upon specific identification of securities sold. Each quarter we perform reviews of all of our investments in order to determine whether declines in fair value below amortized cost were considered other-than-temporary in accordance with applicable guidance. In evaluating whether a decline in fair value is other-than-temporary, we consider several factors including, but not limited to:

•our intent to sell the security or whether it is more likely than not that we will be required to sell the security before recovery;

•extent and duration of the decline;

•failure of the issuer to make scheduled interest or principal payments;

•credit ratings from third-party rating agencies and changes in these credit ratings below investment-grade;

•current credit spreads, downgrade trends, industry and asset sector trends, and issuer disclosures and financial reports to determine if credit ratings from third-party credit agencies are reasonable; and

•adverse conditions specifically related to the security, an industry, or a geographic area.

A debt security is impaired if the fair value of the security is less than its amortized cost basis. Under the current guidance we determine whether the impairment has resulted from a credit loss or other factors. We determine whether a credit loss exists by considering information about the collectability of the instrument, current market conditions, and reasonable and supportable forecasts of economic conditions. We recognize an allowance for credit losses, up to the amount of the impairment when appropriate, and write down the amortized cost basis of the investment if it is more likely than not we will be required or we intend to sell the investment before recovery of its amortized cost basis. Under the previous other-than-temporary impairment model for available-for-sale debt securities .a debt security impairment was deemed other-than-temporary if we either intend to sell the security, or it was more likely than not that we would be required to sell the security before recovery or we did not expect to collect cash flows sufficient to recover the amortized cost basis of the security. During the years ended December 31, 2020, 2019 and 2018, the unrealized losses recorded in the investment portfolio principally resulted from fluctuations in market interest rates and credit spreads. Each issuer was current on its scheduled interest and principal payments. We recorded impairments of $0.4 million in the year ended December 31, 2020 and other-than-temporary impairments of $0.3 million in the year ended December 31, 2019 for securities in an unrealized loss position. The impairments resulted from our intent to sell these securities subsequent to the reporting date. There were no other-than-temporary impairments in the year ended December 31, 2018.

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For information on our material holdings in an unrealized loss position, see "—Financial Condition—Investments."

Recently Issued Accounting Pronouncements

There are no recently issued accounting standards that are expected to have a material effect on our financial condition, results of operations or cash flows. See Note 2 of our consolidated financial statements.

ITEM 7A.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We own and manage a large investment portfolio of various holdings, types and maturities. Investment income is one of our primary sources of cash flow supporting operations and claim payments. The assets within the investment portfolio are exposed to the same factors that affect overall financial market performance. While our investment portfolio is exposed to factors affecting markets worldwide, it is most sensitive to fluctuations in the drivers of U.S. markets.

We manage market risk via a defined investment policy implemented by our treasury function with oversight from our board of directors and our senior management. Important drivers of our market risk exposure monitored and managed by us include but are not limited to:

•Changes to the level of interest rates.  Increasing interest rates may reduce the value of certain fixed-rate bonds held in the investment portfolio. Higher rates may cause variable-rate assets to generate additional income. Decreasing rates will have the reverse impact. Significant changes in interest rates can also affect persistency and claim rates which may in turn require that the investment portfolio be restructured to better align it with future liabilities and claim payments. Such restructuring may cause investments to be liquidated when market conditions are adverse.

•Changes to the term structure of interest rates.  Rising or falling rates typically change by different amounts along the yield curve. These changes may have unforeseen impacts on the value of certain assets.

•Market volatility/changes in the real or perceived credit quality of investments.  Deterioration in the quality of investments, identified through changes to our own or third-party (e.g., rating agency) assessments, will reduce the value and potentially the liquidity of investments.

•Concentration Risk.  If the investment portfolio is highly concentrated in one asset, or in multiple assets whose values are highly correlated, the value of the total portfolio may be greatly affected by the change in value of just one asset or a group of highly correlated assets.

•Prepayment Risk.  Bonds may have call provisions that permit debtors to repay prior to maturity when it is to their advantage. This typically occurs when rates fall below the interest rate of the debt.

Market risk is measured for all investment assets at the individual security level. Market risks that are not fully captured by the quantitative analysis are highlighted. In addition, material market risk changes that occur from the last reporting period to the current are discussed. Changes to how risks are managed will also be identified and described.

At December 31, 2020, the effective duration of our investments available for sale was 2.8 years, which means that an instantaneous parallel shift (movement up or down) in the yield curve of 100 basis points would result in a change of 2.8% in fair value of our investments available for sale. Excluding short-term investments, our investments available for sale effective duration was 3.3 years, which means that an instantaneous parallel shift (movement up or down) in the yield curve of 100 basis points would result in a change of 3.3% in fair value of our investments available for sale.

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ITEM 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO FINANCIAL STATEMENTS

	Page
CONSOLIDATED FINANCIAL STATEMENTS
Report of Independent Registered Public Accounting Firm	81
Consolidated Balance Sheets	83
Consolidated Statements of Comprehensive Income	84
Consolidated Statements of Changes in Stockholders' Equity	85
Consolidated Statements of Cash Flows	86
Notes to Consolidated Financial Statements	87
FINANCIAL STATEMENT SCHEDULES
Schedule I—Summary of Investments—Other Than Investments in Related Parties as of December 31, 2020	116
Schedule II—Condensed Financial Information of Registrant at December 31, 2020 and 2019 and for each of the three years in the period ended December 31, 2020	117
Schedule IV—Reinsurance for the years ended December 31, 2020, 2019 and 2018	121

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Report of Independent Registered Public Accounting Firm

To the Board of Directors and Stockholders of Essent Group Ltd.

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Essent Group Ltd. and its subsidiaries (the "Company") as of December 31, 2020 and 2019, and the related consolidated statements of comprehensive income, of changes in stockholders’ equity and of cash flows for each of the three years in the period ended December 31, 2020, including the related notes and financial statement schedules listed in the accompanying index (collectively referred to as the “consolidated financial statements”). We also have audited the Company's internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2020 and 2019, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2020 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control - Integrated Framework (2013) issued by the COSO.

Basis for Opinions

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in Management’s Report on Internal Control Over Financial Reporting appearing under Item 9A. Our responsibility is to express opinions on the Company’s consolidated financial statements and on the Company's internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

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Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Critical Audit Matters

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements that was communicated or required to be communicated to the audit committee and that (i) relates to accounts or disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Valuation of Reserve for Losses and Loss Adjustment Expenses

As described in Notes 2 and 6 to the consolidated financial statements, the Company's recorded reserve for losses and loss adjustment expenses of $374.9 million as of December 31, 2020 is based on management's best estimate of ultimate claim costs for defaulted loans. Upon notification that a borrower has defaulted, management considers internal and third-party information and models to determine the likelihood that a default will reach claim status and projects the amount that the Company will pay if a default becomes a claim. Management's estimates of claim rates and claim sizes will be influenced by prevailing economic conditions, such as the overall state of the economy, current rates or trends in unemployment, changes in housing values and/or interest rates, and management's best judgments as to the future values or trends of these macroeconomic factors. Losses incurred are also generally affected by the characteristics of the Company's insured loans, such as the loan amount, loan-to-value ratio, the percentage of coverage on the insured loan and the credit quality of the borrower.

The principal considerations for our determination that performing procedures relating to the valuation of the reserve for losses and loss adjustment expenses is a critical audit matter are (i) the significant judgment by management when developing their estimate, which in turn led to a high degree of auditor subjectivity and judgment in performing procedures relating to the estimate; (ii) the significant auditor effort and judgment in evaluating the audit evidence related to management's estimates of claim rates and claim size, including management's assumptions related to the macroeconomic factors and their assessment of the relevance of internal and third-party historical default data; and (iii) the audit effort included the involvement of professionals with specialized skill and knowledge to assist in performing these procedures and evaluating the audit evidence obtained.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to the Company's valuation of reserve for losses and loss adjustment expenses, including controls over the development of significant assumptions. These procedures also included, among others, the involvement of professionals with specialized skill and knowledge to assist in developing an independent estimate of the reserve for losses and loss adjustment expenses using Company and historical mortgage insurance industry data and comparing this independent estimate to management's recorded reserve. Developing the independent estimate involved independently estimating claim rates and claim sizes, testing the completeness and accuracy of data provided by management and evaluating the reasonableness of management's assumptions related to macroeconomic factors and management's assessment of internal and third-party default data.

/s/ PricewaterhouseCoopers LLP

Philadelphia, Pennsylvania

February 26, 2021

We have served as the Company’s auditor since 2009.

82

Essent Group Ltd. and Subsidiaries

Consolidated Balance Sheets

	December 31,
(In thousands, except per share amounts)	2020		2019
Assets
Investments
Fixed maturities available for sale, at fair value (amortized cost: 2020 — $3,677,815; 2019 — $2,967,225)	$	3,838,513	$	3,035,385
Short-term investments available for sale, at fair value (amortized cost: 2020 — $726,875; 2019 — $315,360)	726,860		315,362
Total investments available for sale	4,565,373		3,350,747
Other invested assets	88,904		78,873
Total investments	4,654,277		3,429,620
Cash	102,830		71,350
Accrued investment income	19,948		18,535
Accounts receivable	50,140		40,655
Deferred policy acquisition costs	17,005		15,705
Property and equipment (at cost, less accumulated depreciation of $60,967 in 2020 and $57,639 in 2019)	15,095		17,308
Prepaid federal income tax	302,636		261,885
Other assets	40,793		18,367
Total assets	$	5,202,724	$	3,873,425
Liabilities and Stockholders' Equity
Liabilities
Reserve for losses and LAE	$	374,941	$	69,362
Unearned premium reserve	250,436		278,887
Net deferred tax liability	305,109		249,620
Credit facility borrowings (at carrying value, less unamortized deferred costs of $3,280 in 2020 and $763 in 2019)	321,720		224,237
Other accrued liabilities	87,885		66,474
Total liabilities	1,340,091		888,580
Commitments and contingencies (see Note 8)
Stockholders' Equity
Common shares, $0.015 par value:
Authorized - 233,333; issued and outstanding - 112,423 shares in 2020 and 98,394 shares in 2019	1,686		1,476
Additional paid-in capital	1,571,163		1,118,655
Accumulated other comprehensive income	138,274		56,187
Retained earnings	2,151,510		1,808,527
Total stockholders' equity	3,862,633		2,984,845
Total liabilities and stockholders' equity	$	5,202,724	$	3,873,425

See accompanying notes to consolidated financial statements.

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Essent Group Ltd. and Subsidiaries

Consolidated Statements of Comprehensive Income

	Year Ended December 31,
(In thousands, except per share amounts)	2020		2019		2018
Revenues:
Net premiums written	$	834,113	$	760,845	$	685,287
Decrease (increase) in unearned premiums	28,451		16,580		(35,795)
Net premiums earned	862,564		777,425		649,492
Net investment income	80,087		83,542		64,091
Realized investment gains, net	2,697		3,229		1,318
Other income	9,806		3,371		4,452
Total revenues	955,154		867,567		719,353
Losses and expenses:
Provision for losses and LAE	301,293		32,986		11,575
Other underwriting and operating expenses	154,691		165,369		150,900
Interest expense	9,074		10,151		10,179
Total losses and expenses	465,058		208,506		172,654
Income before income taxes	490,096		659,061		546,699
Income tax expense	77,055		103,348		79,336
Net income	$	413,041	$	555,713	$	467,363
Earnings per share:
Basic	$	3.89	$	5.68	$	4.80
Diluted	3.88		5.66		4.77
Weighted average shares outstanding:
Basic	106,098		97,762		97,403
Diluted	106,376		98,227		97,974
Net income	$	413,041	$	555,713	$	467,363
Other comprehensive income (loss):
Change in unrealized appreciation (depreciation) of investments, net of tax expense (benefit) of $16,836 in 2020, $17,497 in 2019 and $(5,686) in 2018	82,087		85,180		(25,741)
Total other comprehensive income (loss)	82,087		85,180		(25,741)
Comprehensive income	$	495,128	$	640,893	$	441,622

See accompanying notes to consolidated financial statements.

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Essent Group Ltd. and Subsidiaries

Consolidated Statements of Changes in Stockholders' Equity

	Year Ended December 31,
(In thousands)	2020		2019		2018
Common Shares
Balance, beginning of year	$	1,476	$	1,472	$	1,476
Issuance of common shares	207		—		—
Issuance of management incentive shares	5		7		6
Cancellation of treasury stock	(2)		(3)		(10)
Balance, end of year	1,686		1,476		1,472
Additional Paid-In Capital
Balance, beginning of year	1,118,655		1,110,800		1,127,137
Issuance of common shares, net of issuance costs of $18,888	439,755		—		—
Dividends and dividend equivalents declared	648		276		—
Issuance of management incentive shares	(5)		(7)		(6)
Stock-based compensation expense	18,462		16,588		15,073
Cancellation of treasury stock	(6,352)		(9,002)		(31,404)
Balance, end of year	1,571,163		1,118,655		1,110,800
Accumulated Other Comprehensive Income (Loss)
Balance, beginning of year	56,187		(28,993)		(3,252)
Other comprehensive income (loss)	82,087		85,180		(25,741)
Balance, end of year	138,274		56,187		(28,993)
Retained Earnings
Balance, beginning of year	1,808,527		1,282,438		815,075
Net income	413,041		555,713		467,363
Dividends and dividend equivalents declared	(70,058)		(29,624)		—
Balance, end of year	2,151,510		1,808,527		1,282,438
Treasury Stock
Balance, beginning of year	—		—		—
Treasury stock acquired	(6,354)		(9,005)		(31,414)
Cancellation of treasury stock	6,354		9,005		31,414
Balance, end of year	—		—		—
Total Stockholders' Equity	$	3,862,633	$	2,984,845	$	2,365,717

See accompanying notes to consolidated financial statements.

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Consolidated Statements of Cash Flows

	Year Ended December 31,
(In thousands)	2020		2019		2018
Operating Activities
Net income	$	413,041	$	555,713	$	467,363
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on the sale of investments, net	(2,697)		(3,229)		(1,318)
Equity in net loss (income) of other invested assets	215		199		(111)
Distribution of income from other invested assets	1,277		648		211
Depreciation and amortization	3,328		3,769		3,404
Stock-based compensation expense	18,462		16,588		15,073
Amortization of premium on investment securities	23,393		15,738		14,220
Deferred income tax provision	38,653		59,481		50,692
Change in:
Accrued investment income	(1,413)		(908)		(4,820)
Accounts receivable	(8,848)		(3,767)		(7,118)
Deferred policy acquisition costs	(1,300)		344		(695)
Prepaid federal income tax	(40,751)		(59,500)		49,772
Other assets	(16,840)		(2,921)		(5,060)
Reserve for losses and LAE	305,579		19,898		2,614
Unearned premium reserve	(28,451)		(16,580)		35,795
Other accrued liabilities	24,283		4,375		5,299
Net cash provided by operating activities	727,931		589,848		625,321
Investing Activities
Net change in short-term investments	(411,498)		(160,962)		158,294
Purchase of investments available for sale	(1,575,082)		(1,044,964)		(1,126,032)
Proceeds from maturity of investments available for sale	262,321		88,025		114,651
Proceeds from sales of investments available for sale	577,409		623,771		340,780
Purchase of other invested assets	(17,012)		(49,789)		(30,860)
Return of investment from other invested assets	11,891		2,252		316
Purchase of property and equipment	(2,446)		(3,409)		(4,054)
Net cash used in investing activities	(1,154,417)		(545,076)		(546,905)
Financing Activities
Issuance of common shares, net of costs	439,962		—		—
Credit facility borrowings	200,000		—		15,000
Credit facility repayments	(100,000)		—		(40,000)
Treasury stock acquired	(6,354)		(9,005)		(31,414)
Payment of issuance costs for credit facility	(6,232)		(15)		(580)
Dividends paid	(69,410)		(29,348)		—
Net cash provided by (used in) financing activities	457,966		(38,368)		(56,994)
Net increase in cash	31,480		6,404		21,422
Cash at beginning of year	71,350		64,946		43,524
Cash at end of year	$	102,830	$	71,350	$	64,946
Supplemental Disclosure of Cash Flow Information
Income tax payments	$	(38,705)	$	(41,505)	$	(29,275)
Interest payments	(8,263)		(9,863)		(9,451)
Noncash Transactions
Repayment of borrowings with term loan proceeds	(325,000)		—		(100,000)
Operating lease liabilities arising from obtaining right-of-use assets	$	805	$	1,334	$	—

See accompanying notes to consolidated financial statements.

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Essent Group Ltd. and Subsidiaries

Notes to Consolidated Financial Statements

In these notes to consolidated financial statements, “Essent”, “Company”, “we”, “us”, and “our” refer to Essent Group Ltd. and its subsidiaries, unless the context otherwise requires.

Note 1. Nature of Operations and Basis of Presentation

Essent Group Ltd. (“Essent Group”) is a Bermuda-based holding company, which, through its wholly-owned subsidiaries, offers private mortgage insurance and reinsurance for mortgages secured by residential properties located in the United States. Mortgage insurance facilitates the sale of low down payment (generally less than 20%) mortgage loans into the secondary mortgage market, primarily to two government-sponsored enterprises ("GSEs"), Fannie Mae and Freddie Mac.

The primary mortgage insurance operations are conducted through Essent Guaranty, Inc. ("Essent Guaranty"), which is domiciled in the state of Pennsylvania. Essent Guaranty is headquartered in Radnor, Pennsylvania and maintains operations centers in Winston-Salem, North Carolina and Irvine, California. Essent Guaranty is approved as a qualified mortgage insurer by the GSEs and is licensed to write mortgage insurance in all 50 states and the District of Columbia.

Essent Guaranty reinsures 25% of new insurance written to Essent Reinsurance Ltd. (“Essent Re”), an affiliated Bermuda domiciled Class 3A Insurer licensed pursuant to Section 4 of the Bermuda Insurance Act 1978 that provides insurance and reinsurance coverage of mortgage credit risk. Essent Re also provides insurance and reinsurance to Freddie Mac and Fannie Mae. In 2016, Essent Re formed Essent Agency (Bermuda) Ltd., a wholly-owned subsidiary, which provides underwriting consulting services to third-party reinsurers. In accordance with certain state law requirements, Essent Guaranty also reinsures that portion of the risk that is in excess of 25% of the mortgage balance with respect to any loan insured prior to April 1, 2019, after consideration of other reinsurance, to Essent Guaranty of PA, Inc. (“Essent PA”), an affiliate domiciled in the state of Pennsylvania.

In addition to offering mortgage insurance, we provide contract underwriting services on a limited basis through CUW Solutions, LLC ("CUW Solutions"), a Delaware limited liability company, that provides, among other things, mortgage contract underwriting services to lenders and mortgage insurance underwriting services to affiliates. CUW Solutions is headquartered in Radnor, Pennsylvania and it maintains operations centers in Winston-Salem, North Carolina and Irvine, California that are subleased from Essent Guaranty.

The Company operates as a single segment for reporting purposes as substantially all business operations, assets and liabilities relate to the private mortgage insurance business and management reviews operating results for the Company as a whole to make operating decisions and assess performance.

The consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") and include the accounts of Essent Group and its consolidated subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Note 2. Summary of Significant Accounting Policies

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.

Investments

Our fixed maturity and short-term investments are classified as available for sale as we may sell securities from time to time to provide liquidity and in response to changes in the market. Debt securities classified as available for sale are reported at fair value with unrealized gains and losses on these securities reported in other comprehensive income, net of deferred income taxes. See Note 15 for a description of the valuation methods for investments available for sale.

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Notes to Consolidated Financial Statements (Continued)

We monitor our fixed maturities for unrealized losses that appear to be other-than-temporary. A fixed maturity security is considered to be other-than-temporarily impaired when the security's fair value is less than its amortized cost basis and 1) we intend to sell the security, 2) it is more likely than not that we will be required to sell the security before recovery of the security's amortized cost basis, or 3) we believe we will be unable to recover the entire amortized cost basis of the security (i.e., a credit loss has occurred). When we determine that a credit loss has been incurred, but we do not intend to sell the security and it is not more likely than not that we will be required to sell the security before recovery of the security's amortized cost basis, the portion of the other-than-temporary impairment that is credit related is recorded as a realized loss in the consolidated statements of comprehensive income, and the portion of the other-than-temporary impairment that is not credit related is included in other comprehensive income. For those fixed maturities for which an other-than-temporary impairment has occurred, we adjust the amortized cost basis of the security and record a realized loss in the consolidated statements of comprehensive income.

We recognize purchase premiums and discounts in interest income using the interest method over the securities' estimated holding periods, until maturity, or call date, if applicable. Gains and losses on the sales of securities are recorded on the trade date and are determined using the specific identification method.

Short-term investments are defined as short-term, highly liquid investments, both readily convertible to cash and having maturities at acquisition of twelve months or less.

Other invested assets are comprised of limited partnership interests which are accounted for under the equity method of accounting with changes in value reported in other income. In applying the equity method, these investments are initially recorded at cost and are subsequently adjusted based on the Company’s proportionate share of the net income or loss of the partnership. We have elected to classify distributions received from these investments using the cumulative earnings approach. Due to the timing of receiving financial information from these partnerships, the results are generally reported on a one month or quarter lag.

Long-Lived Assets

Property and equipment are stated at cost less accumulated depreciation and amortization. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets. Repairs and maintenance are charged to expense as incurred. Estimated useful lives are 5 years for furniture and fixtures and 2 to 3 years for equipment, computer hardware and purchased software. Certain costs associated with the acquisition or development of internal-use software are capitalized. Once the software is ready for its intended use, these costs are amortized on a straight-line basis over the software's expected useful life, which is generally 3 years. We amortize leasehold improvements over the shorter of the lives of the leases or estimated service lives of the leasehold improvements. The balances by type were as follows at December 31:

	2020				2019
(In thousands)	Cost		Accumulated Depreciation/ Amortization		Cost		Accumulated Depreciation/ Amortization
Furniture and fixtures	$	2,220	$	(2,068)	$	2,148	$	(2,017)
Office equipment	848		(772)		848		(700)
Computer hardware	10,282		(8,987)		9,764		(7,728)
Purchased software	38,434		(37,404)		37,909		(36,716)
Costs of internal-use software	10,783		(8,959)		9,595		(8,185)
Leasehold improvements	4,787		(2,777)		4,644		(2,293)
Total	$	67,354	$	(60,967)	$	64,908	$	(57,639)

Deferred Policy Acquisition Costs

We defer certain personnel costs and premium tax expense directly related to the successful acquisition of new insurance policies and amortize these costs over the period the related estimated gross profits are recognized in order to match costs and revenues. We do not defer any underwriting costs associated with our contract underwriting services. Costs related to the acquisition of mortgage insurance business are initially deferred and reported as deferred policy acquisition costs. Consistent with industry accounting practice, amortization of these costs for each underwriting year book of business is recognized in

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Notes to Consolidated Financial Statements (Continued)

proportion to estimated gross profits. Estimated gross profits are composed of earned premium, interest income, losses and loss adjustment expenses. The deferred costs are adjusted as appropriate for policy cancellations to be consistent with our revenue recognition policy. We estimate the rate of amortization to reflect actual experience and any changes to persistency or loss development. Deferred policy acquisition costs are reviewed periodically to determine that they do not exceed recoverable amounts, after considering investment income. Policy acquisition costs deferred were $10.1 million, $7.8 million and $7.4 million for the years ended December 31, 2020, 2019 and 2018, respectively. Amortization of deferred policy acquisition costs totaled $8.8 million, $8.1 million and $6.7 million for the years ended December 31, 2020, 2019 and 2018, respectively, and was included in other underwriting and operating expenses on the consolidated statements of comprehensive income.

Insurance Premium Revenue Recognition

Mortgage guaranty insurance policies are contracts that are generally non-cancelable by the insurer, are renewable at a fixed price, and provide for payment of premium on a monthly, annual or single basis. Upon renewal, we are not able to re-underwrite or re-price our policies. Consistent with industry accounting practices, premiums written on a monthly basis are earned as coverage is provided. Monthly policies accounted for 84% of earned premium in 2020. Premiums written on an annual basis are amortized on a pro rata basis over the year of coverage. Primary mortgage insurance written on policies covering more than one year are referred to as single premium policies. A portion of the revenue from single premium policies is recognized in earned premium in the current period, and the remaining portion is deferred as unearned premium and earned over the expected life of the policy. If single premium policies related to insured loans are cancelled due to repayment by the borrower, and the premium is non-refundable, then the remaining unearned premium related to each cancelled policy is recognized as earned premium upon notification of the cancellation. The Company recorded $88.9 million and $42.5 million of earned premium related to policy cancellations for the years ended December 31, 2020 and 2019, respectively. Unearned premium represents the portion of premium written that is applicable to the estimated unexpired risk of insured loans. Rates used to determine the earning of single premium policies are estimates based on an analysis of the expiration of risk.

Reserve for Losses and Loss Adjustment Expenses

We establish reserves for losses based on our best estimate of ultimate claim costs for defaulted loans using the general principles contained in ASC No. 944, in accordance with industry practice. However, consistent with industry standards for mortgage insurers, we do not establish loss reserves for future claims on insured loans which are not currently in default. Loans are classified as in default when the borrower has missed two consecutive payments. Once we are notified that a borrower has defaulted, we will consider internal and third-party information and models, including the status of the loan as reported by its servicer and the type of loan product to determine the likelihood that a default will reach claim status. In addition, we will project the amount that we will pay if a default becomes a claim (referred to as "claim severity"). Based on this information, at each reporting date we determine our best estimate of loss reserves at a given point in time. Included in loss reserves are reserves for incurred but not reported ("IBNR") claims. IBNR reserves represent our estimated unpaid losses on loans that are in default, but have not yet been reported to us as delinquent by our customers. We will also establish reserves for associated loss adjustment expenses, consisting of the estimated cost of the claims administration process, including legal and other fees and expenses associated with administering the claims process. Establishing reserves is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available. Our estimates of claim rates and claim sizes will be strongly influenced by prevailing economic conditions, such as the overall state of the economy, current rates or trends in unemployment, changes in housing values and/or interest rates, and our best judgments as to the future values or trends of these macroeconomic factors. Losses incurred are also generally affected by the characteristics of our insured loans, such as the loan amount, loan-to-value ratio, the percentage of coverage on the insured loan and the credit quality of the borrower.

Premium Deficiency Reserve

We are required to establish a premium deficiency reserve if the net present value of the expected future losses and expenses for a particular group of policies exceeds the net present value of expected future premium, anticipated investment income and existing reserves for that specified group of policies. We reassess our expectations for premium, losses and expenses of our mortgage insurance business periodically and update our premium deficiency analysis accordingly. As of December 31, 2020 and 2019, we concluded that no premium deficiency reserve was required to be recorded in the accompanying consolidated financial statements.

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Notes to Consolidated Financial Statements (Continued)

Derivative Instruments

Derivative instruments, including embedded derivative instruments, are recognized at fair value in the consolidated balance sheets. The amount of monthly reinsurance premiums ceded under our reinsurance contracts will fluctuate due to changes in one-month LIBOR and changes in money market rates. As the reinsurance premium will vary based on changes in these rates, we concluded that these reinsurance agreements contain embedded derivatives that are accounted for separately like freestanding derivatives.

Stock-Based Compensation

We measure the cost of employee services received in exchange for awards of equity instruments at the grant date of the award using a fair value based method. Prior to our initial public offering, we estimated the fair value of each nonvested share grant on the date of grant based on management's best estimate using methods further described in Note 10 of our consolidated financial statements. Subsequent to our initial public offering, fair value is determined on the date of grant based on quoted market prices. We recognize compensation expense on nonvested shares over the vesting period of the award. Excess tax benefits and tax deficiencies associated with share-based payments are recognized as income tax expense or benefit in the income statement and treated as discrete items in the reporting period.

Income Taxes

Deferred income tax assets and liabilities are determined using the asset and liability (balance sheet) method. Under this method, we determine the net deferred tax asset or liability based on the tax effects of the temporary differences between the book and tax bases of the various assets and liabilities and give current recognition to changes in tax rates and laws. Changes in tax laws, rates, regulations and policies, or the final determination of tax audits or examinations, could materially affect our tax estimates. We evaluate the realizability of the deferred tax asset and recognize a valuation allowance if, based on the weight of all available positive and negative evidence, it is more likely than not that some portion or all of the deferred tax asset will not be realized. When evaluating the realizability of the deferred tax asset, we consider estimates of expected future taxable income, existing and projected book/tax differences, carryback and carryforward periods, tax planning strategies available, and the general and industry specific economic outlook. This realizability analysis is inherently subjective, as it requires management to forecast changes in the mortgage market, as well as the related impact on mortgage insurance, and the competitive and general economic environment in future periods. Changes in the estimate of deferred tax asset realizability, if applicable, are included in income tax expense on the consolidated statements of comprehensive income.

ASC No. 740 provides a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In accordance with ASC No. 740, before a tax benefit can be recognized, a tax position is evaluated using a threshold that it is more likely than not that the tax position will be sustained upon examination. When evaluating the more-likely-than-not recognition threshold, ASC No. 740 provides that a company should presume the tax position will be examined by the appropriate taxing authority that has full knowledge of all relevant information. If the tax position meets the more-likely-than-not recognition threshold, it is initially and subsequently measured as the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement.

As described in Note 12, we purchase non-interest-bearing United States Mortgage Guaranty Tax and Loss Bonds ("T&L Bonds") issued by the Treasury Department. These assets are carried at cost and are reported as prepaid federal income tax on the consolidated balance sheets.

It is our policy to classify interest and penalties as income tax expense and to use the aggregate portfolio approach to release income tax effects from accumulated other comprehensive income.

Earnings per Share

Basic earnings per common share amounts are calculated based on income available to common stockholders and the weighted average number of common shares outstanding during the reporting period. Diluted earnings per common share amounts are calculated based on income available to common stockholders and the weighted average number of common and potential common shares outstanding during the reporting period. Potential common shares, composed of the incremental common shares issuable upon vesting of unvested common shares and common share units, are included in the earnings per share calculation to the extent that they are dilutive.

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Essent Group Ltd. and Subsidiaries

Notes to Consolidated Financial Statements (Continued)

Recently Issued Accounting Standards

Accounting Standards Adopted During 2020

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments (Topic 326). This update is intended to provide financial statement users with more information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. The amendments in this ASU replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The new guidance requires financial assets measured at amortized cost to be presented at the net amount expected to be collected through the use of an allowance for credit losses. Credit losses relating to available-for-sale debt securities will also be recorded through an allowance rather than as a write-down of the amortized cost of the securities. The accounting for insurance losses and loss adjustment expenses ("LAE") are not within the scope of this ASU. The provisions of this update were effective for annual and interim periods beginning after December 15, 2019 and we adopted this standard on January 1, 2020 using the modified retrospective approach. The adoption of this ASU did not have a material effect on the Company's consolidated operating results or financial position.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement. The amendments in this update modify the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. The provisions of this update were effective for interim and annual periods beginning after December 15, 2019, with early adoption permitted for the removed disclosures. We adopted this standard on January 1, 2020. The adoption of this ASU did not have a material impact on our condensed consolidated financial statements.

Accounting Standards Not Yet Adopted

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in this update provide temporary optional guidance to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform. It provides optional expedients and exceptions for applying generally accepted accounting principles to contract, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. This standard may be elected and applied prospectively over time from March 12, 2020 through December 31, 2022 as reference rate reform activities occur. The adoption of, and future elections under, this ASU are not expected to have a material impact on our consolidated financial statements as the ASU will ease, if warranted, the requirements for accounting for the future effects of the rate reform. We continue to monitor the impact the discontinuance of LIBOR or another reference rate will have on our contracts and other transactions.

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Notes to Consolidated Financial Statements (Continued)

Note 3. Investments

Investments available for sale consist of the following:

December 31, 2020 (In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities	$	259,378	$	9,088	$	(22)	$	268,444
U.S. agency securities	17,930		155		—		18,085
U.S. agency mortgage-backed securities	963,670		33,205		(970)		995,905
Municipal debt securities (1)	513,870		37,662		(15)		551,517
Non-U.S. government securities	56,045		5,562		—		61,607
Corporate debt securities (2)	1,070,027		56,864		(379)		1,126,512
Residential and commercial mortgage securities	391,921		18,641		(1,280)		409,282
Asset-backed securities	452,527		3,246		(1,056)		454,717
Money market funds	679,322		—		(18)		679,304
Total investments available for sale	$	4,404,690	$	164,423	$	(3,740)	$	4,565,373

December 31, 2019 (In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities	$	239,087	$	3,526	$	(407)	$	242,206
U.S. agency securities	33,620		36		(51)		33,605
U.S. agency mortgage-backed securities	836,710		13,956		(2,332)		848,334
Municipal debt securities (1)	339,511		22,245		(118)		361,638
Non-U.S. government securities	52,230		2,812		(47)		54,995
Corporate debt securities (2)	856,638		24,255		(592)		880,301
Residential and commercial mortgage securities	282,840		6,542		(1,101)		288,281
Asset-backed securities	326,589		857		(1,421)		326,025
Money market funds	315,360		2		—		315,362
Total investments available for sale	$	3,282,585	$	74,231	$	(6,069)	$	3,350,747

_______________________________________________________________________________

	December 31,		December 31,
(1) The following table summarizes municipal debt securities as of :	2020		2019
Special revenue bonds	76.8	%	74.5	%
General obligation bonds	20.3		21.3
Certificate of participation bonds	2.3		3.4
Tax allocation bonds	0.6		0.8
Total	100.0	%	100.0	%

	December 31,		December 31,
(2) The following table summarizes corporate debt securities as of :	2020		2019
Financial	34.9	%	34.4	%
Consumer, non-cyclical	19.1		20.1
Communications	9.3		10.3
Energy	8.2		8.3
Consumer, cyclical	8.0		7.6
Technology	6.1		4.8
Utilities	5.9		6.2
Industrial	5.3		4.2
Basic materials	3.1		4.1
Government	0.1		—
Total	100.0	%	100.0	%

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Notes to Consolidated Financial Statements (Continued)

The amortized cost and fair value of investments available for sale at December 31, 2020, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most U.S. agency mortgage-backed securities, residential and commercial mortgage securities and asset-backed securities provide for periodic payments throughout their lives, they are listed below in separate categories.

(In thousands)	Amortized Cost		Fair Value
U.S. Treasury securities:
Due in 1 year	$	78,956	$	79,335
Due after 1 but within 5 years	130,312		134,802
Due after 5 but within 10 years	49,125		53,165
Due after 10 years	985		1,142
Subtotal	259,378		268,444
U.S. agency securities:
Due in 1 year	8,906		8,958
Due after 1 but within 5 years	9,024		9,127
Subtotal	17,930		18,085
Municipal debt securities:
Due in 1 year	6,881		6,892
Due after 1 but within 5 years	91,122		95,567
Due after 5 but within 10 years	235,030		254,387
Due after 10 years	180,837		194,671
Subtotal	513,870		551,517
Non-U.S. government securities:
Due in 1 year	—		—
Due after 1 but within 5 years	22,710		24,257
Due after 5 but within 10 years	24,246		27,680
Due after 10 years	9,089		9,670
Subtotal	56,045		61,607
Corporate debt securities:
Due in 1 year	148,292		149,617
Due after 1 but within 5 years	576,987		602,286
Due after 5 but within 10 years	322,649		350,632
Due after 10 years	22,099		23,977
Subtotal	1,070,027		1,126,512
U.S. agency mortgage-backed securities	963,670		995,905
Residential and commercial mortgage securities	391,921		409,282
Asset-backed securities	452,527		454,717
Money market funds	679,322		679,304
Total investments available for sale	$	4,404,690	$	4,565,373

Gross gains and losses realized on the sale of investments available for sale were as follows:

	Year Ended December 31,
(In thousands)	2020		2019		2018
Realized gross gains	$	5,608	$	5,238	$	2,201
Realized gross losses	2,482		1,746		883

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Notes to Consolidated Financial Statements (Continued)

The fair value of investments available for sale in an unrealized loss position and the related unrealized losses for which no allowance for credit loss has been recorded were as follows:

	Less than 12 months				12 months or more				Total
December 31, 2020 (In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Treasury securities	$	28,776	$	(22)	$	—	$	—	$	28,776	$	(22)
U.S. agency mortgage-backed securities	152,671		(924)		3,007		(46)		155,678		(970)
Municipal debt securities	3,838		(15)		—		—		3,838		(15)
Corporate debt securities	141,803		(379)		—		—		141,803		(379)
Residential and commercial mortgage securities	63,203		(777)		9,516		(503)		72,719		(1,280)
Asset-backed securities	124,165		(483)		65,897		(573)		190,062		(1,056)
Money market funds	99,995		(18)		—		—		99,995		(18)
Total	$	614,451	$	(2,618)	$	78,420	$	(1,122)	$	692,871	$	(3,740)

	Less than 12 months				12 months or more				Total
December 31, 2019 (In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Treasury securities	$	29,013	$	(331)	$	42,981	$	(76)	$	71,994	$	(407)
U.S. agency securities	—		—		25,605		(51)		25,605		(51)
U.S. agency mortgage-backed securities	101,684		(1,042)		113,866		(1,290)		215,550		(2,332)
Municipal debt securities	10,651		(112)		624		(6)		11,275		(118)
Non-U.S. government securities	9,664		(47)		—		—		9,664		(47)
Corporate debt securities	83,013		(576)		14,531		(16)		97,544		(592)
Residential and commercial mortgage securities	59,341		(1,059)		3,442		(42)		62,783		(1,101)
Asset-backed securities	78,813		(202)		109,536		(1,219)		188,349		(1,421)
Total	$	372,179	$	(3,369)	$	310,585	$	(2,700)	$	682,764	$	(6,069)

At December 31, 2020 and 2019, we held 363 and 365 individual investment securities, respectively, that were in an unrealized loss position. We assess our intent to sell these securities and whether we will be required to sell these securities before the recovery of their amortized cost basis when determining whether to record an impairment on the securities in an unrealized loss position. In assessing whether the decline in the fair value at December 31, 2020 of any of these securities resulted from a credit loss or other factors, we made inquiries of our investment managers to determine that each issuer was current on its scheduled interest and principal payments. We reviewed the credit rating of these securities noting that over 98% of the securities at December 31, 2020 had investment-grade ratings. We concluded that gross unrealized losses noted above are principally associated with the changes in credit spreads subsequent to purchase rather than due to credit impairment. We recorded impairments of $0.4 million in the year ended December 31, 2020 and other-than-temporary impairments of $0.3 million in the year ended December 31, 2019 on securities in an unrealized loss position. The impairments resulted from our intent to sell these securities subsequent to the reporting dates. There were no other-than-temporary impairments in the year ended December 31, 2018.

The Company's other invested assets at December 31, 2020 and December 31, 2019 totaled $88.9 million and $78.9 million, respectively. Other invested assets are comprised of limited partnership interests which are accounted for under the equity method of accounting with changes in value reported in other income. Due to the timing of receiving financial information from these partnerships, the results are generally reported on a one month or quarter lag.

The fair value of investments deposited with insurance regulatory authorities to meet statutory requirements was $9.7 million at December 31, 2020 and $9.4 million at December 31, 2019. In connection with its insurance and reinsurance activities, Essent Re is required to maintain assets in trusts for the benefit of its contractual counterparties. The fair value of the investments on deposit in these trusts was $1.1 billion at December 31, 2020 and $805.5 million at December 31, 2019. Essent Guaranty is required to maintain assets on deposit in connection with its fully collateralized reinsurance agreements (see Note

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5). The fair value of the assets on deposit was $8.5 million at December 31, 2020 and $6.4 million at December 31, 2019. Essent Guaranty is also required to maintain assets on deposit for the benefit of the sponsor of a fixed income investment commitment. The fair value of the assets on deposit was $12.0 million at December 31, 2020 and $6.4 million at December 31, 2019.

Net investment income consists of:

	Year Ended December 31,
(In thousands)	2020		2019		2018
Fixed maturities	$	83,313	$	82,194	$	63,053
Short-term investments	1,669		5,049		3,873
Gross investment income	84,982		87,243		66,926
Investment expenses	(4,895)		(3,701)		(2,835)
Net investment income	$	80,087	$	83,542	$	64,091

Note 4. Accounts Receivable

Accounts receivable consists of the following at December 31:

(In thousands)	2020		2019
Premiums receivable	$	46,974	$	39,084
Other receivables	3,166		1,571
Total accounts receivable	50,140		40,655
Less: Allowance for doubtful accounts	—		—
Accounts receivable, net	$	50,140	$	40,655

Premiums receivable consists of premiums due on our mortgage insurance policies. If mortgage insurance premiums are unpaid for more than 90 days, the receivable is written off against earned premium and the related insurance policy is cancelled. For all periods presented, no provision or allowance for doubtful accounts was required.

Note 5. Reinsurance

In the ordinary course of business, our insurance subsidiaries may use reinsurance to provide protection against adverse loss experience and to expand our capital sources. Reinsurance recoverables are recorded as assets and included in other assets on our consolidated balance sheets, predicated on a reinsurer's ability to meet their obligations under the reinsurance agreements. If the reinsurers are unable to satisfy their obligations under the agreements, our insurance subsidiaries would be liable for such defaulted amounts.

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The effect of reinsurance on net premiums written and earned is as follows: 

	Year Ended December 31,
(In thousands)	2020		2019		2018
Net premiums written:
Direct	$	922,851	$	796,344	$	696,055
Ceded (1)	(88,738)		(35,499)		(10,768)
Net premiums written	$	834,113	$	760,845	$	685,287
Net premiums earned:
Direct	$	951,302	$	812,924	$	660,260
Ceded (1)	(88,738)		(35,499)		(10,768)
Net premiums earned	$	862,564	$	777,425	$	649,492

_______________________________________________________________________________

(1)Net of profit commission.

Quota Share Reinsurance

Effective September 1, 2019, Essent Guaranty entered into a quota share reinsurance agreement with a panel of third-party reinsurers (the "QSR Agreement"). Each of the third-party reinsurers has an insurer financial strength rating of A or better by S&P Global Ratings, A.M. Best or both. Under the QSR Agreement, Essent Guaranty will cede premiums earned related to 40% of risk on eligible single premium policies and 20% of risk on all other eligible policies written September 1, 2019 through December 31, 2020, in exchange for reimbursement of ceded claims and claims expenses on covered policies, a 20% ceding commission, and a profit commission of up to 60% that varies directly and inversely with ceded claims. The QSR Agreement is scheduled to terminate on December 31, 2030. Essent Guaranty has certain termination rights under the QSR Agreement, including the option to terminate the QSR Agreement with no termination fee on December 31, 2021, and the option, subject to a termination fee, to terminate the QSR Agreement on December 31, 2022, or annually thereafter. Should Essent Guaranty not exercise its option to terminate the QSR Agreement on December 31, 2021, the maximum profit commission that Essent Guaranty could earn would increase to 63% in 2022 and thereafter. RIF ceded under the QSR Agreement was $6.3 billion as of December 31, 2020.

Excess of Loss Reinsurance

Essent Guaranty has entered into fully collateralized reinsurance agreements ("Radnor Re Transactions") with unaffiliated special purpose insurers domiciled in Bermuda. For the reinsurance coverage periods, Essent Guaranty and its affiliates retain the first layer of the respective aggregate losses, and a Radnor Re special purpose insurer will then provide second layer coverage up to the outstanding reinsurance coverage amount. Essent Guaranty and its affiliates retain losses in excess of the outstanding reinsurance coverage amount. The reinsurance premium due to each Radnor Re special purpose insurer is calculated by multiplying the outstanding reinsurance coverage amount at the beginning of a period by a coupon rate, which is the sum of one-month LIBOR plus a risk margin, and then subtracting actual investment income collected on the assets in the related reinsurance trust during that period. The aggregate excess of loss reinsurance coverage decreases over a ten-year period as the underlying covered mortgages amortize. Essent Guaranty has rights to terminate the Radnor Re Transactions. The Radnor Re entities collateralized the coverage by issuing mortgage insurance-linked notes ("ILNs") in an aggregate amount equal to the initial coverage to unaffiliated investors. The notes have ten-year legal maturities and are non-recourse to any assets of Essent Guaranty or its affiliates. The proceeds of the notes were deposited into reinsurance trusts for the benefit of Essent Guaranty and will be the source of reinsurance claim payments to Essent Guaranty and principal repayments on the ILNs.

Essent Guaranty has also entered into reinsurance agreements with panels of reinsurers that provide aggregate excess of loss coverage immediately above or pari-passu to the coverage provided by the Radnor Re Transactions. The aggregate excess of loss reinsurance coverage decreases over a ten-year period as the underlying covered mortgages amortize. Essent Guaranty has rights to terminate these reinsurance agreements.

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The following tables summarizes Essent Guaranty's excess of loss reinsurance agreements as of December 31, 2020:

Vintage Year	Reinsurer	Effective Date	Optional Termination Date
2015 & 2016	Radnor Re 2019-2 Ltd.	June 20, 2019	June 25, 2024
2017	Radnor Re 2018-1 Ltd.	March 22, 2018	March 25, 2023	(1)
2017	Panel of Reinsurers	November 1, 2018	October 1, 2023	(2)
2018	Radnor Re 2019-1 Ltd.	February 28, 2019	February 25, 2026
2018	Panel of Reinsurers	February 28, 2019	February 25, 2026
2019	Radnor Re 2020-1 Ltd.	January 30, 2020	January 25, 2027
2019	Panel of Reinsurers	January 30, 2020	January 25, 2027
2019 & 2020	Radnor Re 2020-2 Ltd.	October 8, 2020	October 25, 2027

_______________________________________________________________________________

(1)If the reinsurance agreement is not terminated at the optional termination date, the risk margin component of the reinsurance premium increases by 50%.

(2)If the reinsurance agreement is not terminated at the optional termination date, the reinsurance premium increases by 50%.

The following table summarizes Essent Guaranty's excess of loss reinsurance coverages and retentions as of December 31, 2020:

(In thousands)					Remaining Reinsurance in Force
Vintage Year	Remaining Insurance in Force		Remaining Risk in Force		ILN		Other Reinsurance			Total		Remaining First Layer Retention
2015 & 2016	$	16,329,165	$	4,411,094	$	216,480	$	—		$	216,480	$	207,787
2017	15,856,384		4,052,481		242,123		165,167		(5)	407,290		218,838
2018	18,295,450		4,646,734		325,537		76,144		(6)	401,681		251,262
2019 (3)	22,137,416		5,643,954		495,889		55,102		(7)	550,991		215,509
2019 & 2020 (4)	48,570,459		12,141,563		399,159		—			399,159		465,690
Total	$	121,188,874	$	30,895,826	$	1,679,188	$	296,413		$	1,975,601	$	1,359,086

_______________________________________________________________________________

(3)Reinsurance coverage on new insurance written from January 1, 2019 through August 31, 2019.

(4)Reinsurance coverage on new insurance written from September 1, 2019 through July 31, 2020.

(5)Coverage provided immediately above the coverage provided by Radnor Re 2018-1 Ltd.

(6)Coverage provided pari-passu to the coverage provided by Radnor Re 2019-1 Ltd.

(7)Coverage provided pari-passu to the coverage provided by Radnor Re 2020-1 Ltd.

Based on the level of delinquencies reported to us, the ILN transactions entered into prior to March 31, 2020 became subject to a "trigger event" as of June 25, 2020. The amortization of principal of the notes issued by the unaffiliated special purpose insurers in connection with those ILN transactions is suspended and the aggregate excess of loss reinsurance coverage will not amortize during the continuation of a trigger event.

The amount of monthly reinsurance premiums ceded to the Radnor Re entities will fluctuate due to changes in one-month LIBOR and changes in money market rates that affect investment income collected on the assets in the reinsurance trusts. As the reinsurance premium will vary based on changes in these rates, we concluded that the Radnor Re Transactions contain embedded derivatives that will be accounted for separately like freestanding derivatives.

In connection with the Radnor Re Transactions, we concluded that the risk transfer requirements for reinsurance accounting were met as each Radnor Re entity is assuming significant insurance risk and a reasonable possibility of a significant loss. In addition, we assessed whether each Radnor Re entity was a variable interest entity ("VIE") and the appropriate accounting for the Radnor Re entities if they were VIEs. A VIE is a legal entity that does not have sufficient equity at risk to finance its activities without additional subordinated financial support or is structured such that equity investors lack the ability to make significant decisions relating to the entity’s operations through voting rights or do not substantively

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participate in the gains and losses of the entity. A VIE is consolidated by its primary beneficiary. The primary beneficiary is the entity that has both (1) the power to direct the activities of the VIE that most significantly affect the entity’s economic performance and (2) the obligation to absorb losses or the right to receive benefits that could be potentially significant to the VIE. While also considering these factors, the consolidation conclusion depends on the breadth of the decision-making ability and ability to influence activities that significantly affect the economic performance of the VIE. We concluded that the Radnor Re entities are VIEs. However, given that Essent Guaranty (1) does not have the unilateral power to direct the activities that most significantly affect their economic performance and (2) does not have the obligation to absorb losses or the right to receive benefits that could be potentially significant to these entities, the Radnor Re entities are not consolidated in these financial statements.

The following table presents total assets of each Radnor Re special purpose insurer as well as our maximum exposure to loss associated with each Radnor Re entity, representing the fair value of the embedded derivatives, using observable inputs in active markets (Level 2), included in other assets (other accrued liabilities) on our consolidated balance sheet and the estimated net present value of investment earnings on the assets in the reinsurance trusts, each as of December 31, 2020:

			Maximum Exposure to Loss
(In thousands)	Total VIE Assets		On - Balance Sheet		Off - Balance Sheet		Total
Radnor Re 2018-1 Ltd.	$	242,123	$	462	$	32	$	494
Radnor Re 2019-1 Ltd.	325,537		(2,071)		56		(2,015)
Radnor Re 2019-2 Ltd.	216,480		(1,509)		26		(1,483)
Radnor Re 2020-1 Ltd.	495,889		(1,046)		123		(923)
Radnor Re 2020-2 Ltd.	399,159		(181)		109		(72)
Total	$	1,679,188	$	(4,345)	$	346	$	(3,999)

The assets of Radnor Re are the source of reinsurance claim payments to Essent Guaranty and provide capital relief under the PMIERs financial strength requirements (see Note 16). A decline in the assets available to pay claims would reduce the capital relief available to Essent Guaranty.

Note 6. Reserve for Losses and Loss Adjustment Expenses

The following table provides a reconciliation of the beginning and ending reserve balances for losses and loss adjustment expenses ("LAE") for the years ended December 31:

($ in thousands)	2020		2019		2018
Reserve for losses and LAE at beginning of year	$	69,362	$	49,464	$	46,850
Less: Reinsurance recoverables	71		—		—
Net reserve for losses and LAE at beginning of year	69,291		49,464		46,850
Add provision for losses and LAE, net of reinsurance, occurring in:
Current year	317,516		50,562		36,438
Prior years	(16,223)		(17,576)		(24,863)
Net incurred losses and LAE during the current year	301,293		32,986		11,575
Deduct payments for losses and LAE, net of reinsurance, occurring in:
Current year	1,018		1,288		1,310
Prior years	13,686		11,871		7,651
Net loss and LAE payments during the current year	14,704		13,159		8,961
Net reserve for losses and LAE at end of year	355,880		69,291		49,464
Plus: Reinsurance recoverables	19,061		71		—
Reserve for losses and LAE at end of year	$	374,941	$	69,362	$	49,464
Loans in default at end of year	31,469		5,947		4,024

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For the year ended December 31, 2020, $13.7 million was paid for incurred claims and claim adjustment expenses attributable to insured events of prior years. There has been a $16.2 million favorable prior year development during the year ended December 31, 2020. Reserves remaining as of December 31, 2020 for prior years are $39.4 million as a result of re-estimation of unpaid losses and loss adjustment expenses. For the year ended December 31, 2019, $11.9 million was paid for incurred claims and claim adjustment expenses attributable to insured events of prior years. There was a $17.6 million favorable prior year development during the year ended December 31, 2019. Reserves remaining as of December 31, 2019 for prior years were $20.0 million as a result of re-estimation of unpaid losses and loss adjustment expenses. In both periods, the favorable prior years' loss development was the result of a re-estimation of amounts ultimately to be paid on prior year defaults in the default inventory, including the impact of previously identified defaults that cured. Original estimates are increased or decreased as additional information becomes known regarding individual claims.

Due to business restrictions, stay-at-home orders and travel restrictions initially implemented in March 2020 as a result of COVID-19, unemployment in the United States increased significantly in the second quarter of 2020 and remained elevated at December 31, 2020. As unemployment is one of the most common reasons for borrowers to default on their mortgage, the increase in unemployment has increased the number of delinquencies on the mortgages that we insure and has the potential to increase claim frequencies on defaults. As of December 31, 2020, insured loans in default totaled 31,469 and included 28,922 defaults classified as COVID-19 defaults. For borrowers that have the ability to begin to pay their mortgage at the end of the forbearance period, we expect that mortgage servicers will work with them to modify their loans at which time the mortgage will be removed from delinquency status. We believe that the forbearance process could have a favorable effect on the frequency of claims that we ultimately pay. Based on the forbearance programs in place and the credit characteristics of the COVID-19 defaulted loans, we expect the ultimate number of COVID-19-related defaults that result in claims will be less than our historical default-to-claim experience. Accordingly, we recorded a reserve equal to approximately 7% of the risk in force for the COVID-19 default notices received in April 2020 through September 2020. The credit characteristics of defaults reported in October 2020 through December 2020 have trended towards those of the pre-pandemic periods and we have observed the normalization of other default patterns during this period. In addition, we observed a normalization during the fourth quarter of 2020 of the proportion of unemployment claims related to permanent layoffs as compared to a higher proportion of temporary layoffs during the second and third quarters of 2020. We believe that while defaults in October 2020 through December 2020 were impacted by the pandemic’s effect on the economy, the underlying credit performance of these defaults may not be the same as the expected performance for default notices received in April 2020 through September 2020 that occurred following the onset of the pandemic and these defaults are more likely to transition like pre-pandemic defaults. Accordingly, although these defaults are classified as COVID-19 defaults, we established reserves for defaults reported in October 2020 through December 2020 using our normal reserve methodology. The reserve for losses and LAE on COVID-19 defaults was $316.3 million at December 31, 2020. It is reasonably possible that our estimate of the losses for the COVID-19 defaults could change in the near term as a result of the continued impact of the pandemic on the economic environment, the results of existing and future governmental programs designed to assist individuals and businesses impacted by the virus and the performance of the COVID-19 defaults in the forbearance programs. A 100 basis point increase or decrease in the reserve rate applied to COVID-19 default notices received in April 2020 through September 2020 would result in a corresponding increase or decrease in our reserve for loss and LAE of approximately $35 million as of December 31, 2020. The impact on our reserves in future periods will be dependent upon the amount of delinquent notices received from loan servicers, the performance of COVID-19 defaults and our expectations for the amount of ultimate losses on these delinquencies.

During the third quarter of 2017, certain regions of the U.S. experienced hurricanes which have impacted our insured portfolio’s performance. Loans in default identified as hurricane-related defaults totaled 2,288 as of December 31, 2017 and in the fourth quarter of 2017, we provided reserves of $11.1 million for losses and LAE on these hurricane-related defaults. In the year ended December 31, 2018, 2,150 of the 2,288 defaults previously identified as hurricane-related cured. In the fourth quarter of 2018, we reduced the reserves on hurricane-related defaults by $9.9 million based on the performance to date and our expectations of the amount of ultimate losses on the remaining delinquencies.

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The following table summarizes incurred loss and allocated loss adjustment expense development, IBNR plus expected development on reported defaults and the cumulative number of reported defaults. The information about incurred loss development for the years ended December 31, 2011 to 2019 is presented as supplementary information.

	Incurred Loss and Allocated LAE, For the Years Ended December 31,																				As of December 31, 2020
($ in thousands)																					Total of IBNR plus Expected Development on Reported Defaults		Cumulative Number of Reported Defaults (1)
	Unaudited
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	57	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	1
2012			1,523		858		814		781		748		809		808		808		808		—		19
2013					2,986		2,461		2,008		1,997		2,060		2,058		2,058		2,058		—		51
2014							6,877		4,312		3,323		2,984		2,930		2,897		2,882		1		92
2015									14,956		9,625		8,893		8,439		8,461		8,323		18		214
2016											21,889		11,890		9,455		9,219		8,972		45		252
2017													38,178		16,261		12,202		11,488		85		365
2018															36,438		23,168		19,536		424		606
2019																	50,562		39,085		2,151		1,551
2020																			317,516		23,023		29,834
Total																			$	410,668
(1) Cumulative number of reported defaults includes cumulative paid claims plus loans in default by accident year as of December 31, 2020.

The following table summarizes cumulative paid losses and allocated loss adjustment expenses, net of reinsurance. The information about paid loss development for the years ended December 31, 2011 through 2019 is presented as supplementary information.

($ in thousands)	Cumulative Paid Losses and Allocated LAE For the Years Ended December 31,
	Unaudited
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
2012			24		535		659		665		665		808		808		808		808
2013					239		928		1,501		1,775		1,880		2,058		2,058		2,058
2014							138		1,587		2,463		2,787		2,897		2,882		2,867
2015									544		3,610		6,960		7,535		7,961		8,055
2016											927		4,896		6,947		7,864		8,270
2017													633		5,370		9,156		10,257
2018															1,310		8,067		13,406
2019																	1,288		8,049
2020																			1,018
Total																			$	54,788
All outstanding liabilities before 2011, net of reinsurance																			—
Reserve for losses and LAE, net of reinsurance																			$	355,880

The following table provides a reconciliation of the net incurred losses and paid claims development tables above to the reserve for losses and LAE at December 31, 2020:

($ in thousands)	December 31, 2020
Reserve for losses and LAE, net of reinsurance	$	355,880
Reinsurance recoverables on unpaid claims	19,061
Total gross reserve for losses and LAE	$	374,941

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For our mortgage insurance portfolio, our average annual payout of losses as of December 31, 2020 is as follows:

Average Annual Percentage Payout of Incurred Losses and Allocated LAE by Year
Year	1		2		3		4		5		6		7		8		9
Average Payout	6	%	40	%	28	%	9	%	4	%	7	%	0	%	0	%	0	%

Note 7. Debt Obligations

Credit Facility

On October 14, 2020, Essent Group and its subsidiaries, Essent Irish Intermediate Holdings Limited and Essent US Holdings, Inc. (collectively, the "Borrowers"), entered into a second amended and restated, three-year secured credit facility with a committed capacity of $625 million (the “Credit Facility”). The Credit Facility amends and restates the three-year, secured revolving credit facility entered into on May 2, 2018, and provides for an increase in the revolving credit facility from $275 million to $300 million. At closing, $325 million of new term loans were issued, with $225 million of the proceeds used to repay the existing term loans outstanding and remaining $100 million along with Essent Group cash were used to pay down all amounts outstanding under the revolving component of the Credit Facility. The Credit Facility also provides an option to increase the capacity to $775 million. Borrowings under the Credit Facility may be used for working capital and general corporate purposes, including, without limitation, capital contributions to Essent’s insurance and reinsurance subsidiaries. Borrowings accrue interest at a floating rate tied to a standard short-term borrowing index, selected at the Company’s option, plus an applicable margin. A commitment fee is due quarterly on the average daily amount of the undrawn revolving commitment. The applicable margin and the commitment fee are based on the senior unsecured debt rating or long-term issuer rating of Essent Group to the extent available, or the insurer financial strength rating of Essent Guaranty. The annual commitment fee rate at December 31, 2020 was 0.35%. The obligations under the Credit Facility are secured by certain assets of the Borrowers, excluding the stock and assets of its insurance and reinsurance subsidiaries. The Credit Facility contains several covenants, including financial covenants relating to minimum net worth, capital and liquidity levels, maximum debt to capitalization level and Essent Guaranty's compliance with the PMIERs (see Note 16). The borrowings under the Credit Facility contractually mature on October 16, 2023. As of December 31, 2020, the Company was in compliance with the covenants and $325 million had been borrowed under the Credit Facility with a weighted average interest rate of 2.19%. As of December 31, 2019, $225 million had been borrowed with a weighted average interest rate of 3.51%.

Note 8. Commitments and Contingencies

Obligations under Guarantees

Under the terms of CUW Solutions' contract underwriting agreements with lenders and subject to contractual limitations on liability, we agree to indemnify certain lenders against losses incurred in the event that we make an error in determining whether loans processed meet specified underwriting criteria, to the extent that such error materially restricts or impairs the salability of such loan, results in a material reduction in the value of such loan or results in the lender repurchasing the loan. The indemnification may be in the form of monetary or other remedies. For each of the years ended December 31, 2020 and 2019, we paid less than $0.1 million related to remedies. As of December 31, 2020, management believes any potential claims for indemnification related to contract underwriting services through December 31, 2020 are not material to our consolidated financial position or results of operations.

In addition to the indemnifications discussed above, in the normal course of business, we enter into agreements or other relationships with third parties pursuant to which we may be obligated under specified circumstances to indemnify the counterparties with respect to certain matters. Our contractual indemnification obligations typically arise in the context of agreements entered into by us to, among other things, purchase or sell services, finance our business and business transactions, lease real property and license intellectual property. The agreements we enter into in the normal course of business generally require us to pay certain amounts to the other party associated with claims or losses if they result from our breach of the agreement, including the inaccuracy of representations or warranties. The agreements we enter into may also contain other indemnification provisions that obligate us to pay amounts upon the occurrence of certain events, such as the negligence or willful misconduct of our employees, infringement of third-party intellectual property rights or claims that performance of the agreement constitutes a violation of law. Generally, payment by us under an indemnification provision is conditioned upon the

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other party making a claim, and typically we can challenge the other party's claims. Further, our indemnification obligations may be limited in time and/or amount, and in some instances, we may have recourse against third parties for certain payments made by us under an indemnification agreement or obligation. As of December 31, 2020, contingencies triggering material indemnification obligations or payments have not occurred historically and are not expected to occur. The nature of the indemnification provisions in the various types of agreements and relationships described above are believed to be low risk and pervasive, and we consider them to have a remote risk of loss or payment. We have not recorded any provisions on the consolidated balance sheets related to these indemnifications.

Commitments

We lease office space for use in our operations under leases accounted for as operating leases. These leases generally include options to extend them for periods of up to ten years. Our option to extend the term of our primary office locations at the greater of existing or prevailing market rates was not recognized in our right-of-use asset and lease liability. When establishing the value of our right-of-use asset and lease liability, we determine the discount rate for the underlying leases using the prevailing market interest rate for a borrowing of the same duration of the lease plus the risk premium inherent in the borrowings under our Credit Facility. Operating lease right-of-use assets of $8.7 million and $10.0 million as of December 31, 2020 and 2019, respectively, are reported on our consolidated balance sheet as property and equipment. Operating lease liabilities of $10.9 million and $12.6 million as of December 31, 2020 and 2019, respectively, are reported on our consolidated balance sheet as other accrued liabilities. Total rent expense was $2.4 million, $2.5 million and $2.1 million for the years ended December 31, 2020, 2019 and 2018, respectively.

The following table presents lease cost and other lease information as of and for the years ended December 31:

	Year Ended December 31,
($ in thousands)	2020			2019
Lease cost:
Operating lease cost	$	2,532		$	2,479
Short-term lease cost	19			101
Sublease income	(131)			(129)
Total lease cost	$	2,420		$	2,451
Other information:
Weighted average remaining lease term - operating leases	3.8 years			4.8 years
Weighted average discount rate - operating leases	3.9		%	4.0		%

The following table presents a maturity analysis of our lease liabilities as follows at December 31, 2020:

Year Ended December 31 (In thousands)
2021	$	3,261
2022	3,309
2023	3,017
2024	1,334
2025	793
2026 and thereafter	—
Total lease payments to be paid	11,714
Less: Future interest expense	(864)
Present value of lease liabilities	$	10,850

The maturity analysis of our lease liabilities shown above have not been reduced by minimum sublease rental income of $0.1 million due in 2021 under the non-cancelable sublease.

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Notes to Consolidated Financial Statements (Continued)

Note 9. Capital Stock

Our authorized share capital consists of 233.3 million shares of a single class of common shares. The common shares have no pre-emptive rights or other rights to subscribe for additional shares, and no rights of redemption, conversion or exchange. Under certain circumstances and subject to the provisions of Bermuda law and our bye-laws, we may be required to make an offer to repurchase shares held by members. The common shares rank pari passu with one another in all respects as to rights of payment and distribution. In general, holders of common shares will have one vote for each common share held by them and will be entitled to vote, on a non-cumulative basis, at all meetings of shareholders. In the event that a shareholder is considered a 9.5% Shareholder under our bye-laws, such shareholder's votes will be reduced by whatever amount is necessary so that after any such reduction the votes of such shareholder will not result in any other person being treated as a 9.5% Shareholder with respect to the vote on such matter. Under these provisions certain shareholders may have their voting rights limited to less than one vote per share, while other shareholders may have voting rights in excess of one vote per share.

In June 2020, Essent Group completed the sale of 13.8 million common shares in a public offering at a price of $33.25 per share. The total net proceeds from this offering were approximately $440.0 million after deducting underwriting discounts, commissions and other offering expenses.

Dividends

During the third quarter of 2019, the Board of Directors declared Essent's inaugural quarterly cash dividend of $0.15 per common share which was paid in September 2019. In each subsequent quarter, we declared and paid quarterly cash dividends on our common shares. The following table presents the amounts declared and paid per common share each quarter:

Quarter Ended	2020		2019
March 31	$	0.16	$	—
June 30	0.16		—
September 30	0.16		0.15
December 31	0.16		0.15
Total dividends per common share declared and paid	$	0.64	$	0.30

In February 2021, the Board of Directors declared a quarterly cash dividend of $0.16 per common share payable on March 19, 2021, to shareholders of record on March 10, 2021.

Note 10. Stock-Based Compensation

In 2013, Essent Group's Board of Directors adopted, and Essent Group's shareholders approved, the Essent Group Ltd. 2013 Long-Term Incentive Plan (the "2013 Plan"), which was effective upon completion of the initial public offering. The types of awards available under the 2013 Plan include nonvested shares, nonvested share units, non-qualified share options, incentive stock options, share appreciation rights, and other share-based or cash-based awards. Nonvested shares and nonvested share units granted under the 2013 Plan have rights to dividends, which entitle the holders to the same dividend value per share as holders of common shares in the form of dividend equivalent units ("DEUs"). DEUs are subject to the same vesting and other terms and conditions as the corresponding nonvested shares and nonvested share units. DEUs vest when the underlying shares or share units vest and are forfeited if the underlying share or share units forfeit prior to vesting. The maximum number of shares and share units available for issuance is 7.5 million under the 2013 Plan. As of December 31, 2020, there were 3.7 million common shares available for future grant under the 2013 Plan.

In September 2013, certain members of senior management were granted nonvested common shares under the 2013 Plan that were subject to time-based and performance-based vesting. The time-based share awards granted in September 2013 vested in four equal installments on January 1, 2015, 2016, 2017 and 2018. The performance-based share awards vested based upon our compounded annual book value per share growth percentage during a three-year performance period that commenced on January 1, 2014. The September 2013 performance-based share awards vested on the one-year anniversary of the completion of the performance period.

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Notes to Consolidated Financial Statements (Continued)

In May 2015, nonvested common shares were granted to an employee in connection with an employment agreement that were subject to time-based and performance-based vesting. The time-based share award vested in four equal installments on July 1, 2016, 2017, 2018 and 2019. The performance-based share award vested based upon our compounded annual book value per share growth percentage during a three-year performance period that commenced on January 1, 2015 and vested on July 1, 2019.

In February of each year, 2015 through 2020, certain members of senior management were granted nonvested common shares under the 2013 Plan that were subject to time-based and performance-based vesting. The time-based share awards vest in three equal yearly installments commencing on March 1 of the year following the grant year. The performance-based share awards vest based upon our compounded annual book value per share growth percentage during a three-year performance period that commences on January 1 of the grant year and vest on March 1 following the end of the performance period.

The portion of the nonvested performance-based share awards that will be earned based upon the achievement of compounded annual book value per share growth is as follows:

	2017 Performance-Based Grants				2016 Performance-Based Grants				2013, 2014 and 2015 Performance-Based Grants
Performance level	Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned
	<16	%	0	%	<13	%	0	%	<11	%	0	%
Threshold	16	%	25	%	13	%	25	%	11	%	10	%
	17	%	50	%	14	%	50	%	12	%	36	%
	18	%	75	%	15	%	75	%	13	%	61	%
									14	%	87	%
Maximum	≥19	%	100	%	≥16	%	100	%	≥15	%	100	%

	2020 Performance-Based Grants				2019 Performance-Based Grants				2018 Performance-Based Grants
Performance level	Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned
	<13	%	0	%	<14	%	0	%	<15	%	0	%
Threshold	13	%	10	%	14	%	10	%	15	%	25	%
	14	%	35	%	15	%	35	%	16	%	50	%
	15	%	60	%	16	%	60	%	17	%	75	%
	16	%	85	%	17	%	85	%
Maximum	≥17	%	100	%	≥18	%	100	%	≥18	%	100	%

In the event that the compounded annual book value per share growth falls between the performance levels shown above, the nonvested common shares earned will be determined on a straight-line basis between the respective levels shown. The compounded annual book value per share growth for each of the 2013, 2014, 2015, 2016 and 2017 performance-based grants exceeded the maximum performance level and have vested or will vest at 100%.

In January 2017, time-based share units were issued to all vice president and staff level employees that vested in three equal installments in January 2018, 2019 and 2020. In January 2020, time-based share units were issued to all vice president and staff level employees that vested in three equal installments in January 2021, 2022 and 2023. In connection with our incentive program covering bonus awards for performance years 2014 through 2019, in February following each performance year, time-based share awards and share units were issued to certain employees that vest in three equal yearly installments commencing on March 1 of the year following the grant year.

In May of each year, 2017 through 2020, time-based share units were granted to non-employee directors that vest one year from the date of grant.

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Notes to Consolidated Financial Statements (Continued)

The following tables summarize nonvested common share, nonvested common share unit and DEU activity for the year ended December 31:

	2020
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units			DEUs
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value		Dividend Equivalent Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	394	$	42.02	169	$	41.31	351	$	39.78	5	$	51.11
Granted	109	51.52		69	51.52		350	48.75		19	35.42
Vested	(140)	36.29		(85)	40.47		(192)	37.76		(3)	49.79
Forfeited	—	N/A		—	N/A		(17)	50.04		—	33.86
Outstanding at end of year	363	$	47.09	153	$	46.34	492	$	46.59	21	$	37.66

	2019
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units			DEUs
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value		Dividend Equivalent Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	482	$	29.49	207	$	32.82	449	$	34.35	—	N/A
Granted	141	45.32		90	40.98		143	42.08		5	$	51.09
Vested	(229)	17.69		(128)	27.37		(232)	30.85		—	48.63
Forfeited	—	N/A		—	N/A		(9)	35.53		—	49.27
Outstanding at end of year	394	$	42.02	169	$	41.31	351	$	39.78	5	$	51.11

	2018
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	1,595	$	17.03	410	$	21.12	536	$	29.13
Granted	113	45.02		73	45.02		161	42.19
Vested	(1,226)	14.71		(276)	18.67		(238)	28.02
Forfeited	—	N/A		—	N/A		(10)	31.59
Outstanding at end of year	482	$	29.49	207	$	32.82	449	$	34.35

Quoted market prices are used for the valuation of common shares granted subsequent to our initial public offering. For nonvested common shares granted in September 2013, prior to our IPO, the valuation estimate was based on analysis provided by the underwriters regarding the estimated fair value of Essent and the estimated IPO price range. Factors considered in determining the IPO price range and common share valuation included prevailing market conditions, estimates of the Company's business potential and earnings prospects, the Company's historical operating results, market valuations of companies deemed comparable to the Company and an assessment of risks and opportunities.

The total fair value of nonvested shares, share units or DEUs that vested was $18.5 million, $25.5 million and $75.9 million for the years ended December 31, 2020, 2019 and 2018, respectively. As of December 31, 2020, there was $24.2 million of total unrecognized compensation expense related to nonvested shares or share units outstanding at December 31, 2020 and we expect to recognize the expense over a weighted average period of 1.8 years.

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Notes to Consolidated Financial Statements (Continued)

In connection with our incentive program covering bonus awards for performance year 2020, in February 2021, 86,058 nonvested common share units were issued to certain employees and are subject to time-based vesting. In February 2021, 373,552 nonvested common shares were granted to certain members of senior management and are subject to time-based and performance-based vesting. In February 2021, the performance-based share awards granted in 2019 and 2020 to certain members of senior management were amended to provide that such awards will no longer be subject to the achievement of the compounded annual book value per share growth metrics and will be subject to only service-based vesting. As a result, the unvested shares subject to the amended 2019 and 2020 awards will vest on March 1, 2022 and March 1, 2023, respectively, subject to the continued service requirements and other terms and conditions set forth in the applicable award agreements, without taking into consideration any performance metrics. Compensation expense related to amending these awards will be recognized over the remaining vesting period.

Employees have the option to tender shares to Essent Group to pay the minimum employee statutory withholding taxes associated with shares upon vesting. Common shares tendered by employees to pay employee withholding taxes totaled 141,801, 208,947 and 718,726 in 2020, 2019 and 2018, respectively. The tendered shares were recorded at cost and included in treasury stock. All treasury stock has been cancelled as of December 31, 2020 and 2019.

Compensation expense, net of forfeitures, and related tax effects recognized in connection with nonvested shares and share units were as follows for the years ended December 31:

(In thousands)	2020		2019		2018
Compensation expense	$	18,462	$	16,588	$	15,073
Income tax benefit	3,511		3,125		2,805

Note 11. Dividends Restrictions

Our U.S. insurance subsidiaries are subject to certain capital and dividend rules and regulations as prescribed by jurisdictions in which they are authorized to operate. Under the insurance laws of the Commonwealth of Pennsylvania, Essent Guaranty and Essent PA may pay dividends during any 12-month period in an amount equal to the greater of (i) 10% of the preceding year-end statutory policyholders' surplus or (ii) the preceding year's statutory net income. The Pennsylvania statute also specifies that dividends and other distributions can be paid out of positive unassigned surplus without prior approval. At December 31, 2020, Essent Guaranty had unassigned surplus of approximately $343.6 million. Essent Guaranty paid no dividends to Essent Group or any intermediate holding companies in the years ended December 31, 2020 or 2019. During the year ended December 31, 2018, Essent Guaranty paid to its parent, Essent US Holdings, Inc. ("Essent Holdings"), a $40 million dividend which was used to repay the borrowings remaining under the revolving component of the Credit Facility. As a result of PMIERs guidance issued by the GSEs, through June 30, 2021, Essent Guaranty is required to obtain GSE written approval before paying a dividend. Essent PA had unassigned surplus of approximately $15.4 million as of December 31, 2020. Essent PA did not pay a dividend in 2020, 2019 or 2018.

Essent Re is subject to certain dividend restrictions as prescribed by the Bermuda Monetary Authority and under certain agreements with counterparties. In connection with the quota share reinsurance agreement with Essent Guaranty, Essent Re has agreed to maintain a minimum total equity of $100 million. As of December 31, 2020, Essent Re had total equity of $1.1 billion.

At December 31, 2020, our insurance subsidiaries were in compliance with these rules, regulations and agreements.

Note 12. Income Taxes

For the year ended December 31, 2020, the statutory income tax rates of the countries where the Company does business are 21% in the United States and 0.0% in Bermuda. The statutory income tax rate of each country is applied against the taxable income from each country to calculate the income tax expense.

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Notes to Consolidated Financial Statements (Continued)

Income tax expense which is generated in the U.S. consists of the following components for the years ended December 31:

(In thousands)	2020		2019		2018
Current	$	38,402	$	43,867	$	28,644
Deferred	38,653		59,481		50,692
Total income tax expense	$	77,055	$	103,348	$	79,336

For the year ended December 31, 2020, pre-tax income attributable to Bermuda and U.S. operations was $129.3 million and $360.8 million, respectively, as compared to $162.8 million and $496.3 million, respectively, for the year ended December 31, 2019 and $128.5 million and $418.2 million, respectively, for the year ended December 31, 2018.

Income tax expense is different from that which would be obtained by applying the applicable statutory income tax rates to income before taxes by jurisdiction (i.e. U.S. 21%; Bermuda 0.0%). The reconciliation of the difference between income tax expense and the expected tax provision at the weighted average tax rate was as follows for the years ended December 31:

	2020				2019				2018
($ in thousands)	$		% of pretax income		$		% of pretax income		$		% of pretax income
Tax provision at weighted average statutory rates	$	75,763	15.5	%	$	104,213	15.8	%	$	87,815	16.1	%
Non-deductible expenses	2,482		0.5		2,595		0.4		1,483		0.3
Tax exempt interest, net of proration	(1,462)		(0.3)		(1,541)		(0.2)		(1,741)		(0.3)
Excess tax benefits from stock-based compensation	(599)		(0.1)		(1,997)		(0.3)		(9,644)		(1.8)
Other	871		0.1		78		0.0		1,423		0.2
Total income tax expense	$	77,055	15.7	%	$	103,348	15.7	%	$	79,336	14.5	%

We provide deferred taxes to reflect the estimated future tax effects of the differences between the financial statement and tax bases of assets and liabilities using currently enacted tax laws. The net deferred tax liability was comprised of the following at December 31:

(In thousands)	2020		2019
Deferred tax assets	$	29,577	$	29,392
Deferred tax liabilities	(334,686)		(279,012)
Net deferred tax liability	$	(305,109)	$	(249,620)

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Notes to Consolidated Financial Statements (Continued)

The components of the net deferred tax liability were as follows at December 31:

(In thousands)	2020		2019
Contingency reserves	$	(300,281)	$	(261,855)
Unrealized (gain) loss on investments	(30,050)		(13,214)
Unearned premium reserve	15,192		16,641
Accrued expenses	4,202		3,391
Deferred policy acquisition costs	(3,571)		(3,298)
Unearned ceding commissions	2,951		3,227
Loss reserves	2,529		416
Nonvested shares	1,767		2,426
Start-up expenditures, net	1,137		1,410
Change in fair market value of derivatives	912		370
Fixed assets	880		1,502
Investments in limited partnerships	(561)		(400)
Prepaid expenses	(129)		(132)
Loss reserves - TCJA transition adjustment	(94)		(113)
Organizational expenditures	7		9
Net deferred tax liability	$	(305,109)	$	(249,620)

As a mortgage guaranty insurer, we are eligible for a tax deduction, subject to certain limitations, under Section 832(e) of the Internal Revenue Code ("IRC") for amounts required by state law or regulation to be set aside in statutory contingency reserves. The deduction is allowed only to the extent that we purchase T&L Bonds in an amount equal to the tax benefit derived from deducting any portion of our statutory contingency reserves. During the year ended December 31, 2020, we had net purchases of T&L Bonds in the amount of $40.8 million and had net purchases of T&L Bonds in the amount of $59.5 million during the year ended December 31, 2019. As of December 31, 2020 and 2019, we held $302.6 million and $261.9 million of T&L Bonds, respectively.

In evaluating our ability to realize the benefit of our deferred tax assets, we consider the relevant impact of all available positive and negative evidence including our past operating results and our forecasts of future taxable income. At December 31, 2020 and 2019, after weighing all the evidence, management concluded that it was more likely than not that our deferred tax assets would be realized.

Under current Bermuda law, the parent company, Essent Group, and its Bermuda subsidiary, Essent Re, are not required to pay any taxes on income and capital gains. In the event that there is a change such that these taxes are imposed, these companies would be exempted from any such tax until March of 2035 pursuant to the Bermuda Exempt Undertakings Tax Protection Act of 1966, and the Exempt Undertakings Tax Protection Amendment Act of 2011.

Essent Holdings and its subsidiaries are subject to income taxes imposed by U.S. law and file a U.S. Consolidated Income Tax Return. Should Essent Holdings pay a dividend to its parent company, Essent Irish Intermediate Holdings Limited, withholding taxes at a rate of 5% under the U.S./Ireland tax treaty would likely apply assuming the Company avails itself of Treaty benefits under the U.S./Ireland tax treaty. Absent treaty benefits, the withholding rate on outbound dividends would be 30%. Currently, however, no withholding taxes are accrued with respect to such unremitted earnings as management has no intention of remitting these earnings. Similarly, no foreign income taxes have been provided on the un-remitted earnings of the Company's U.S. subsidiaries as management has neither the intention of remitting these earnings, nor would any Ireland tax be due, as any Irish tax would be expected to be fully offset by credit for taxes paid to the U.S. An estimate of the cumulative amount of U.S. earnings that would be subject to withholding tax, if distributed outside of the U.S., is approximately $2.1 billion. The associated withholding tax liability under the U.S./Ireland tax treaty would be approximately $103.5 million.

Essent is not subject to income taxation other than as stated above. There can be no assurance that there will not be changes in applicable laws, regulations, or treaties which might require Essent to change the way it operates or becomes subject to taxation.

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Notes to Consolidated Financial Statements (Continued)

At December 31, 2020 and 2019, the Company had no unrecognized tax benefits. As of December 31, 2020, the U.S. federal income tax returns for the tax years 2017 through 2019 remain subject to examination. The Company has not recorded any uncertain tax positions as of December 31, 2020 or December 31, 2019.

Note 13. Earnings per Share (EPS)

The following table reconciles the net income and the weighted average common shares outstanding used in the computations of basic and diluted earnings per common share for the years ended December 31:

(In thousands, except per share amounts)	2020		2019		2018
Net income	$	413,041	$	555,713	$	467,363
Basic weighted average shares outstanding	106,098		97,762		97,403
Dilutive effect of nonvested shares	278		465		571
Diluted weighted average shares outstanding	106,376		98,227		97,974
Basic earnings per share	$	3.89	$	5.68	$	4.80
Diluted earnings per share	$	3.88	$	5.66	$	4.77

There were 324,813, 39,490 and 128,575 antidilutive shares for the years ended December 31, 2020, 2019 and 2018, respectively.

The nonvested performance-based share awards are considered contingently issuable for purposes of the EPS calculation. Based on the compounded annual book value per share growth as of December 31, 2020, the following percentages of the performance-based share awards would be issuable under the terms of the arrangements if December 31, 2020 was the end of the contingency period:

2018 Performance-Based Grants	100	%
2019 Performance-Based Grants	100	%
2020 Performance-Based Grants	25	%

Based on the compounded annual book value per share growth as of December 31, 2019 and 2018, 100% of all performance-based share awards would have been issuable under the terms of the arrangements at each date if December 31 was the end of the contingency period.

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Notes to Consolidated Financial Statements (Continued)

Note 14. Accumulated Other Comprehensive Income (Loss)

The following table shows the rollforward of accumulated other comprehensive income (loss) for the year ended December 31:

	2020						2019
(In thousands)	Before Tax		Tax Effect		Net of Tax		Before Tax		Tax Effect		Net of Tax
Balance at beginning of year	$	69,401	$	(13,214)	$	56,187	$	(33,276)	$	4,283	$	(28,993)
Other comprehensive income (loss):
Unrealized holding gains (losses) on investments:
Unrealized holding gains arising during the year	101,620		(17,286)		84,334		105,906		(17,995)		87,911
Less: Reclassification adjustment for gains included in net income (1)	(2,697)		450		(2,247)		(3,229)		498		(2,731)
Net unrealized gains on investments	98,923		(16,836)		82,087		102,677		(17,497)		85,180
Other comprehensive gain	98,923		(16,836)		82,087		102,677		(17,497)		85,180
Balance at end of year	$	168,324	$	(30,050)	$	138,274	$	69,401	$	(13,214)	$	56,187

_______________________________________________________________________________

(1)Included in net realized investments gains on our consolidated statements of comprehensive income.

Note 15. Fair Value of Financial Instruments

We carry certain of our financial instruments at fair value. We define fair value as the current amount that would be exchanged to sell an asset or transfer a liability, other than in a forced liquidation.

Fair Value Hierarchy

ASC No. 820 specifies a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. The level within the fair value hierarchy to measure the financial instrument shall be determined based on the lowest level input that is significant to the fair value measurement. The three levels of the fair value hierarchy are as follows:

•Level 1—Quoted prices for identical instruments in active markets accessible at the measurement date.

•Level 2—Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and valuations in which all significant inputs are observable in active markets. Inputs are observable for substantially the full term of the financial instrument.

•Level 3—Valuations derived from one or more significant inputs that are unobservable.

Determination of Fair Value

When available, we generally use quoted market prices to determine fair value and classify the financial instrument in Level 1. In cases where quoted market prices for similar financial instruments are available, we utilize these inputs for valuation techniques and classify the financial instrument in Level 2. In cases where quoted market prices are not available, fair values are based on estimates using discounted cash flows, present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rates and estimates of future cash flows and we classify the financial instrument in Level 3. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

We used the following methods and assumptions in estimating fair values of financial instruments:

•Investments available for sale—Investments available for sale are valued using quoted market prices in active markets, when available, and those investments are classified as Level 1 of the fair value hierarchy. Level 1 investments

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Notes to Consolidated Financial Statements (Continued)

available for sale include investments such as U.S. Treasury securities and money market funds. Investments available for sale are classified as Level 2 of the fair value hierarchy if quoted market prices are not available and fair values are estimated using quoted prices of similar securities or recently executed transactions for the securities. U.S. agency securities, U.S. agency mortgage-backed securities, municipal debt securities, non-U.S. government securities, corporate debt securities, residential and commercial mortgage securities and asset-backed securities are classified as Level 2 investments.

    We use independent pricing sources to determine the fair value of securities available for sale in Level 1 and Level 2 of the fair value hierarchy. We use one primary pricing service to provide individual security pricing based on observable market data and receive one quote per security. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing service and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. U.S. agency securities, U.S. agency mortgage-backed securities, municipal debt securities, non-U.S. government securities, and corporate debt securities are valued by our primary vendor using recently executed transactions and proprietary models based on observable inputs, such as interest rate spreads, yield curves and credit risk. Residential and commercial mortgage securities and asset-backed securities are valued by our primary vendor using proprietary models based on observable inputs, such as interest rate spreads, prepayment speeds and credit risk. As part of our evaluation of investment prices provided by our primary pricing service, we obtained and reviewed their pricing methodologies which include a description of how each security type is evaluated and priced. We review the reasonableness of prices received from our primary pricing service by comparison to prices obtained from additional pricing sources. We have not made any adjustments to the prices obtained from our primary pricing service.

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Notes to Consolidated Financial Statements (Continued)

Assets and Liabilities Measured at Fair Value

All assets measured at fair value are categorized in the table below based upon the lowest level of significant input to the valuations. All fair value measurements at the reporting date were on a recurring basis.

December 31, 2020 (In thousands)	Quoted Prices in Active  Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Recurring fair value measurements
Financial Assets:
U.S. Treasury securities	$	268,444	$	—	$	—	$	268,444
U.S. agency securities	—		18,085		—		18,085
U.S. agency mortgage-backed securities	—		995,905		—		995,905
Municipal debt securities	—		551,517		—		551,517
Non-U.S. government securities	—		61,607		—		61,607
Corporate debt securities	—		1,126,512		—		1,126,512
Residential and commercial mortgage securities	—		409,282		—		409,282
Asset-backed securities	—		454,717		—		454,717
Money market funds	679,304		—		—		679,304
Total assets at fair value (1)	$	947,748	$	3,617,625	$	—	$	4,565,373

December 31, 2019 (In thousands)	Quoted Prices in Active  Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Recurring fair value measurements
Financial Assets:
U.S. Treasury securities	$	242,206	$	—	$	—	$	242,206
U.S. agency securities	—		33,605		—		33,605
U.S. agency mortgage-backed securities	—		848,334		—		848,334
Municipal debt securities	—		361,638		—		361,638
Non-U.S. government securities	—		54,995		—		54,995
Corporate debt securities	—		880,301		—		880,301
Residential and commercial mortgage securities	—		288,281		—		288,281
Asset-backed securities	—		326,025		—		326,025
Money market funds	315,362		—		—		315,362
Total assets at fair value (1)	$	557,568	$	2,793,179	$	—	$	3,350,747

_______________________________________________________________________________

(1)Does not include the fair value of embedded derivatives, which we have accounted for separately as freestanding derivatives and included in other assets or other accrued liabilities in our consolidated balance sheet. See Note 5 for more information.

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Essent Group Ltd. and Subsidiaries

Notes to Consolidated Financial Statements (Continued)

Note 16. Statutory Accounting

Our U.S. insurance subsidiaries prepare statutory-basis financial statements in accordance with the accounting practices prescribed or permitted by their respective state’s department of insurance, which is a comprehensive basis of accounting other than GAAP. We did not use any prescribed or permitted statutory accounting practices (individually or in the aggregate) that resulted in reported statutory surplus or capital that was significantly different from the statutory surplus or capital that would have been reported had National Association of Insurance Commissioners’ statutory accounting practices been followed. The following table presents Essent Guaranty’s and Essent PA’s statutory net income, statutory surplus and contingency reserve liability as of and for the years ended December 31:

(In thousands)	2020		2019		2018
Essent Guaranty
Statutory net income	$	312,091	$	443,675	$	379,119
Statutory surplus	1,048,878		1,032,416		872,105
Contingency reserve liability	1,499,782		1,197,279		916,568
Essent PA
Statutory net income	$	4,560	$	8,073	$	9,306
Statutory surplus	54,354		52,936		49,336
Contingency reserve liability	56,032		52,957		48,545

Net income determined in accordance with statutory accounting practices differs from GAAP. In 2020 and 2019, the more significant differences between net income determined under statutory accounting practices and GAAP for Essent Guaranty and Essent PA relate to policy acquisition costs and income taxes. Under statutory accounting practices, policy acquisition costs are expensed as incurred while such costs are capitalized and amortized to expense over the life of the policy under GAAP. As discussed in Note 12, we are eligible for a tax deduction, subject to certain limitations for amounts required by state law or regulation to be set aside in statutory contingency reserves when we purchase T&L Bonds. Under statutory accounting practices, this deduction reduces the tax provision recorded by Essent Guaranty and Essent PA and, as a result, increases statutory net income and surplus as compared to net income and equity determined in accordance with GAAP.

At December 31, 2020 and 2019, the statutory capital of our U.S. insurance subsidiaries, which is defined as the total of statutory surplus and contingency reserves, was in excess of the statutory capital necessary to satisfy their regulatory requirements.

Effective December 31, 2015, Fannie Mae and Freddie Mac, at the direction of the Federal Housing Finance Agency, implemented new coordinated Private Mortgage Insurer Eligibility Requirements, which we refer to as the "PMIERs." The PMIERs represent the standards by which private mortgage insurers are eligible to provide mortgage insurance on loans owned or guaranteed by Fannie Mae and Freddie Mac. The PMIERs include financial strength requirements incorporating a risk-based framework that require approved insurers to have a sufficient level of liquid assets from which to pay claims. The PMIERs also include enhanced operational performance expectations and define remedial actions that apply should an approved insurer fail to comply with these requirements. In 2018, the GSEs released revised PMIERs framework ("PMIERs 2.0") which became effective on March 31, 2019. As of December 31, 2020, Essent Guaranty, our GSE-approved mortgage insurance company, was in compliance with PMIERs 2.0.

Statement of Statutory Accounting Principles No. 58, Mortgage Guaranty Insurance, requires mortgage insurers to establish a special contingency reserve for statutory accounting purposes included in total liabilities equal to 50% of earned premium for that year. During 2020, Essent Guaranty increased its contingency reserve by $302.5 million and Essent PA increased its contingency reserve by $3.1 million. This reserve is required to be maintained for a period of 120 months to protect against the effects of adverse economic cycles. After 120 months, the reserve is released to unassigned funds. In the event an insurer’s loss ratio in any calendar year exceeds 35%, however, the insurer may, after regulatory approval, release from its contingency reserves an amount equal to the excess portion of such losses. During the year ended December 31, 2020, Essent Guaranty and Essent PA released contingency reserves of $0.1 million and less than $0.1 million, respectively, to unassigned funds upon completion of the 120 month holding period. Essent Guaranty and Essent PA did not release any amounts from their contingency reserves in 2019 or 2018.

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Essent Group Ltd. and Subsidiaries

Notes to Consolidated Financial Statements (Continued)

Under The Insurance Act 1978, as amended, and related regulations of Bermuda (the "Insurance Act"), Essent Re is required to annually prepare statutory financial statements and a statutory financial return in accordance with the financial reporting provisions of the Insurance Act, which is a basis other than GAAP. The Insurance Act also requires that Essent Re maintain minimum share capital of $1 million and must ensure that the value of its general business assets exceeds the amount of its general business liabilities by an amount greater than the prescribed minimum solvency margins and enhanced capital requirement pertaining to its general business. At December 31, 2020 and 2019, all such requirements were met.

Essent Re's statutory capital and surplus was $1.1 billion and $939.2 million as of December 31, 2020 and 2019, respectively, and statutory net income was $143.5 million and $176.4 million, respectively. Statutory capital and surplus and net income determined in accordance with statutory accounting practices were not significantly different than the amounts determined under GAAP.

Note 17. Capital Maintenance Agreement

Essent Guaranty has a capital maintenance agreement with Essent PA under which Essent Guaranty agreed to contribute funds, under specified conditions, to maintain Essent PA's risk-to-capital ratio at or below 25.0 to 1 in return for a surplus note. As of December 31, 2020, Essent PA's risk-to-capital ratio was 1.7:1 and there were no amounts outstanding related to this agreement.

Note 18. Quarterly Financial Data (Unaudited)

The following table summarizes the unaudited results of operations for each quarter of 2020 and 2019.

	2020
(In thousands, except per share amounts)	December 31		September 30		June 30		March 31
Net premiums earned	$	222,339	$	222,258	$	211,471	$	206,496
Other revenues	24,860		20,780		24,606		22,344
Provision for losses and LAE	62,073		55,280		175,877		8,063
Other underwriting and operating expenses	36,825		37,100		38,819		41,947
Interest expense	2,149		2,227		2,566		2,132
Income before income taxes	146,152		148,431		18,815		176,698
Net income	123,602		124,536		15,380		149,523
Basic earnings per common share	$	1.10	$	1.11	$	0.15	$	1.53
Diluted earnings per common share	$	1.10	$	1.11	$	0.15	$	1.52
Basic weighted average shares outstanding	111,908		111,908		102,500		97,949
Diluted weighted average shares outstanding	112,310		112,134		102,605		98,326

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Essent Group Ltd. and Subsidiaries

Notes to Consolidated Financial Statements (Continued)

	2019
(In thousands, except per share amounts)	December 31		September 30		June 30		March 31
Net premiums earned	$	207,671	$	203,473	$	188,490	$	177,791
Other revenues	21,091		22,914		23,402		22,735
Provision for losses and LAE	10,929		9,990		4,960		7,107
Other underwriting and operating expenses	41,231		41,588		41,520		41,030
Interest expense	2,218		2,584		2,679		2,670
Income before income taxes	174,384		172,225		162,733		149,719
Net income	146,958		144,630		136,405		127,720
Basic earnings per common share	$	1.50	$	1.48	$	1.39	$	1.31
Diluted earnings per common share	$	1.49	$	1.47	$	1.39	$	1.30
Basic weighted average shares outstanding	97,830		97,822		97,798		97,595
Diluted weighted average shares outstanding	98,376		98,257		98,170		98,104

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Essent Group Ltd. and Subsidiaries

Schedule I—Summary of Investments—Other Than Investments in Related Parties

December 31, 2020

Type of Investment (In thousands)	Amortized Cost		Fair Value		Amount at which shown in the Balance Sheet
Fixed maturities:
Bonds:
United States Government and government agencies and authorities	$	1,212,622	$	1,254,075	$	1,254,075
States, municipalities and political subdivisions	513,870		551,517		551,517
Residential and commercial mortgage securities	391,921		409,282		409,282
Asset-backed securities	452,527		454,717		454,717
Foreign government and agency securities	56,045		61,607		61,607
All other corporate bonds	1,050,830		1,107,315		1,107,315
Total fixed maturities	3,677,815		3,838,513		3,838,513
Short-term investments	726,875		726,860		726,860
Other invested assets	81,263		88,904		88,904
Total investments	$	4,485,953	$	4,654,277	$	4,654,277

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Essent Group Ltd. and Subsidiaries

Schedule II—Condensed Financial Information of Registrant

Condensed Balance Sheets

Parent Company Only

	December 31,
(In thousands)	2020		2019
Assets
Investments
Fixed maturities available for sale, at fair value (amortized cost: 2020 — $201,527; 2019 — $0)	$	202,129	$	—
Short-term investments available for sale, at fair value (amortized cost: 2020 — $352,412; 2019 — $96,531)	352,415		96,531
Total investments available for sale	554,544		96,531
Cash	8,688		1,845
Due from affiliates	1,278		875
Investment in consolidated subsidiaries	3,518,029		3,009,447
Other assets	4,512		1,608
Total Assets	$	4,087,051	$	3,110,306
Liabilities and stockholders' equity
Liabilities
Due to affiliates	$	—	$	301
Credit facility borrowings (at carrying value, less unamortized deferred costs of $2,287 in 2020 and $564 in 2019)	222,713		124,436
Other accrued liabilities	1,705		724
Total liabilities	224,418		125,461
Commitments and contingencies
Stockholders' Equity
Common shares	1,686		1,476
Additional paid-in capital	1,571,163		1,118,655
Accumulated other comprehensive income	138,274		56,187
Retained earnings	2,151,510		1,808,527
Total stockholders' equity	3,862,633		2,984,845
Total liabilities and stockholders' equity	$	4,087,051	$	3,110,306

See accompanying supplementary notes to Parent Company condensed

financial information and the consolidated financial statements and notes thereto.

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Essent Group Ltd. and Subsidiaries

Schedule II—Condensed Financial Information of Registrant

Condensed Statements of Comprehensive Income

Parent Company Only

	Year Ended December 31,
(In thousands)	2020		2019		2018
Revenues:
Net investment income	$	1,181	$	1,601	$	980
Realized investment losses, net	(10)		—		—
Administrative service fees from subsidiaries	872		649		551
Total revenues	2,043		2,250		1,531
Expenses:
Administrative service fees to subsidiaries	3,728		3,053		2,510
Other operating expenses	5,929		6,925		5,076
Interest expense	6,446		5,742		5,462
Total expenses	16,103		15,720		13,048
Loss before income taxes and equity in undistributed net income in subsidiaries	(14,060)		(13,470)		(11,517)
Loss before equity in undistributed net income of subsidiaries	(14,060)		(13,470)		(11,517)
Equity in undistributed net income of subsidiaries	427,101		569,183		478,880
Net income	$	413,041	$	555,713	$	467,363
Other comprehensive income (loss):
Change in unrealized appreciation (depreciation) of investments, net of tax expense (benefit) of $16,836 in 2020, $17,497 in 2019 and $(5,686) in 2018	82,087		85,180		(25,741)
Total other comprehensive income (loss)	82,087		85,180		(25,741)
Comprehensive income	$	495,128	$	640,893	$	441,622

See accompanying supplementary notes to Parent Company condensed

financial information and the consolidated financial statements and notes thereto.

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Essent Group Ltd. and Subsidiaries

Schedule II—Condensed Financial Information of Registrant

Condensed Statements of Cash Flows

Parent Company Only

	Year Ended December 31,
(In thousands)	2020		2019		2018
Operating Activities
Net income	$	413,041	$	555,713	$	467,363
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net income of subsidiaries	(427,101)		(569,183)		(478,880)
Loss on the sale of investments, net	10		—		—
Stock-based compensation expense	935		830		843
Amortization of premium on investment securities	435		—		—
Changes in assets and liabilities:
Other assets	(319)		416		911
Other accrued liabilities	18,208		15,562		15,537
Net cash provided by operating activities	5,209		3,338		5,774
Investing Activities
Net change in short-term investments	(255,884)		(24,727)		26,122
Investments in subsidiaries	—		55,001		—
Purchase of investments available for sale	(205,668)		—		—
Proceeds from maturity of investments available for sale	838		—		—
Proceeds from sales of investments available for sale	3,386		—		—
Net cash (used in) provided by investing activities	(457,328)		30,274		26,122
Financing Activities
Issuance of common shares, net of costs	439,962		—		—
Credit facility borrowings	200,000		—		—
Credit facility repayments	(100,000)		—		—
Treasury stock acquired	(6,354)		(9,005)		(31,414)
Payment of issuance costs for credit facility	(5,236)		(15)		(131)
Dividends paid	(69,410)		(29,348)		—
Net cash provided by (used in) financing activities	458,962		(38,368)		(31,545)
Net increase (decrease) in cash	6,843		(4,756)		351
Cash at beginning of year	1,845		6,601		6,250
Cash at end of year	$	8,688	$	1,845	$	6,601
Supplemental Disclosure of Cash Flow Information
Interest payments	$	(5,714)	$	(5,509)	$	(4,984)
Noncash Transactions
Repayment of borrowings with term loan proceeds	$	(225,000)	$	—	$	—

See accompanying supplementary notes to Parent Company condensed

financial information and the consolidated financial statements and notes thereto.

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Essent Group Ltd. and Subsidiaries

Schedule II—Condensed Financial Information of Registrant

Parent Company Only

Supplementary Notes

Note A

The accompanying Parent Company financial statements should be read in conjunction with the consolidated financial statements and notes to consolidated financial statements. These financial statements have been prepared on the same basis and using the same accounting policies as described in the consolidated financial statements included herein, except that the Parent Company uses the equity method of accounting for its majority-owned subsidiaries.

Note B

Under the insurance laws of the Commonwealth of Pennsylvania, the insurance subsidiaries may pay dividends during any 12-month period in an amount equal to the greater of (i) 10% of the preceding year-end statutory policyholders' surplus or (ii) the preceding year's statutory net income. The Pennsylvania statute also requires that dividends and other distributions be paid out of positive unassigned surplus without prior approval. As of December 31, 2020, Essent Guaranty had unassigned surplus of approximately $343.6 million. Essent PA had unassigned surplus of approximately $15.4 million as of December 31, 2020.

During the years ended December 31, 2020 and 2018, the Parent Company did not receive any dividends from its subsidiaries. During the year ended December 31, 2019, the Parent Company received dividends from Essent Re totaling $55.0 million.

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Essent Group Ltd. and Subsidiaries

Schedule IV—Reinsurance

Insurance Premiums Earned

Years Ended December 31, 2020, 2019 and 2018

($ in thousands)	Gross Amount	Ceded to Other Companies	Assumed from Other Companies	Net Amount	Assumed Premiums as a Percentage of Net Premiums
2020	951,302	(88,738)	—	862,564	0.0	%
2019	812,924	(35,499)	—	777,425	0.0	%
2018	660,260	(10,768)	—	649,492	0.0	%

121

ITEM 9.    CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A.    CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

Our management carried out an evaluation, under the supervision and with the participation of our chief executive officer and chief financial officer, of the effectiveness of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this Annual Report. Based on this evaluation, our chief executive officer and chief financial officer concluded that our disclosure controls and procedures were effective as of December 31, 2020, the end of the period covered by this Annual Report.

Management's Report on Internal Control Over Financial Reporting

Management is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act. The Company's internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with policies or procedures may deteriorate.

Management, including our chief executive officer and chief financial officer, assessed the effectiveness of internal control over financial reporting as of December 31, 2020. Management based this assessment on criteria for effective internal control over financial reporting described in "Internal Control—Integrated Framework (2013)" issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on this assessment, management determined that, as of December 31, 2020, the Company maintained effective internal control over financial reporting to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.

The effectiveness of the Company's internal control over financial reporting as of December 31, 2020 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their report, which is included in this Annual Report on Form 10-K.

Changes in Internal Control Over Financial Reporting

During our most recent fiscal quarter, there has not been any change in our internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

ITEM 9B.    OTHER INFORMATION

Not applicable.

122

PART III

ITEM 10.    DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Incorporated herein by reference to our definitive proxy statement to be filed with respect to our 2021 Annual General Meeting of Shareholders.

ITEM 11.    EXECUTIVE COMPENSATION

Incorporated herein by reference to our definitive proxy statement to be filed with respect to our 2021 Annual General Meeting of Shareholders.

ITEM 12.    SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Incorporated herein by reference to our definitive proxy statement to be filed with respect to our 2021 Annual General Meeting of Shareholders.

Securities Authorized for Issuance Under Equity Compensation Plans

The following table sets forth, as of December 31, 2020, information concerning equity compensation plans under which our securities are authorized for issuance. The table does not reflect grants, awards, exercises, terminations or expirations since that date.

Plan Category	Number of Securities to be Issued Upon Exercise of Outstanding Options, Warrants and Rights		Weighted Average Exercise Price of Outstanding Options, Warrants and Rights	Number of Securities Remaining Available for Future Issuance Under Equity Compensation Plans
	(a)		(b)	(c)
Equity compensation plans approved by security holders	512,630	(1)	(2)	3,722,280	(3)
Equity compensation plans not approved by security holders	—		—	—
Total	512,630		—	3,722,280

_______________________________________________________________________________

(1)All of these shares are subject to outstanding restricted common share unit awards. This number does not include 515,792 shares that are subject to then-outstanding, but unvested, restricted common share awards because those securities have been subtracted from the number of securities remaining available for future issuance under column (c).

(2)Not applicable because all outstanding awards reflected in column (a) will be issued upon the vesting of outstanding restricted common share units.

(3)All of the shares that remained available for future issuance as of December 31, 2020 were available under the 2013 Essent Group Ltd. Long-Term Incentive Plan, as amended and restated effective May 3, 2017 (the "2013 Plan"). Subject to certain express limits of the 2013 Plan, shares available for award purposes under the 2013 Plan generally may be used for any type of award authorized under that plan including options, stock appreciation rights, and other forms of awards granted or denominated in our common shares including, without limitation, stock bonuses, restricted stock, restricted stock units and performance shares. A total of 7,500,000 common shares are reserved and available for delivery under the amended and restated 2013 Plan. Common shares underlying awards that are settled in cash, cancelled, forfeited, or otherwise terminated without delivery to a participant will again be available for issuance under the 2013 Plan. Common shares withheld or surrendered in connection with the payment of an exercise price of an award or to satisfy tax withholding will not again become available for issuance under the 2013 Plan.

ITEM 13.    CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Incorporated herein by reference to our definitive proxy statement to be filed with respect to our 2021 Annual General Meeting of Shareholders.

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ITEM 14.    PRINCIPAL ACCOUNTING FEES AND SERVICES

Incorporated herein by reference to our definitive proxy statement to be filed with respect to our 2021 Annual General Meeting of Shareholders.

PART IV

ITEM 15.    EXHIBITS, FINANCIAL STATEMENT SCHEDULES

(a)The following documents are filed as part of this Annual Report:

1.    Financial Statements.    See the "Index to Financial Statements—Consolidated Financial Statements" included in Item 8 of Part II of this Annual Report for a list of the financial statements filed as a part of this Annual Report.

2.    Financial Statements Schedules.    See the "Index to Financial Statements—Financial Statement Schedules" included in Item 8 of Part II of this Annual Report for a list of the financial statements filed as a part of this Annual Report.

3.    Exhibits.    

Exhibit No.		Description
3.1		Memorandum of Association (incorporated herein by reference to Exhibit 3.1 of the Registration Statement on Form S-1 (File No. 333-191193) filed on September 16, 2013)
3.2		Certificate of Deposit of Memorandum of Increase of Share Capital, dated as of February 18, 2009 (incorporated herein by reference to Exhibit 3.2 of the Registration Statement on Form S-1 (File No. 333-191193) filed on September 16, 2013)
3.2.1		Certificate of Deposit of Memorandum of Increase of Share Capital, dated as of October 3, 2013 (incorporated herein by reference to Exhibit 3.2.1 of Amendment No.3 to the Registration Statement on Form S-1 (File No. 333-191193) filed on October 21, 2013)
3.3		Amended and Restated Bye-laws (incorporated herein by reference to Exhibit 3.3 of the Form 10-K (File No. 001-36157) filed on March 10, 2014)
4.1		Form of Common Share Certificate (incorporated herein by reference to Exhibit 4.1 of Amendment No.3 to the Registration Statement on Form S-1 (File No. 333-191193) filed on October 21, 2013)
4.2		Third Amended and Restated Registration Rights Agreement, dated as of November 11, 2014, among Essent Group Ltd. and the shareholders party thereto (incorporated herein by reference to Exhibit 4.1 of the Form 10-Q (File No. 001-36157) filed on November 14, 2014)
10.1		Asset Purchase Agreement, dated as of October 7, 2009, between Essent Guaranty, Inc. and Triad Guaranty Insurance Corporation (incorporated herein by reference to Exhibit 10.4 of the Registration Statement on Form S-1 (File No. 333-191193) filed on September 16, 2013)
10.2	†	Leadership Bonus Program (incorporated herein by reference to Exhibit 10.8 of the Annual Report on Form 10-K (File No. 001-36157) filed on February 29, 2016)
10.3	†	2013 Long-Term Incentive Plan (incorporated herein by reference to Appendix B to the Company's Definitive Proxy Statement on Schedule 14A (File No. 333-191193) filed on April 3, 2017)
10.4	†	Form of Time-Based Restricted Share Agreement (incorporated herein by reference to Exhibit 10.11 of Amendment No.1 to the Registration Statement on Form S-1 (File No. 333-191193) filed on September 26, 2013)
10.5	†	Form of Performance-Based Restricted Share Agreement (incorporated herein by reference to Exhibit 10.11 of the Annual Report on Form 10-K (File No. 001-36157) filed on February 27, 2015)
10.6	†	Form of Performance-Based Restricted Share Agreement (incorporated herein by reference to Exhibit 10.1 of the Quarterly Report on Form 10-Q (File No. 001-36157) filed on May 6, 2019)
10.7	†	Form of Performance-Based Restricted Share Agreement (filed herewith)
10.8	†	Annual Incentive Plan (incorporated herein by reference to Exhibit 10.13 of Amendment No.1 to the Registration Statement on Form S-1 (File No. 333-191193) filed on September 26, 2013)
10.9	†	Employment Agreement, dated as of September 25, 2013, by and between Essent US Holdings, Inc. and Mark Casale (incorporated herein by reference to Exhibit 10.14 of Amendment No.2 to the Registration Statement on Form S-1 (File No. 333-191193) filed on October 4, 2013)
10.10	†	Employment Agreement, dated as of September 26, 2013, by and between Essent US Holdings, Inc. and Vijay Bhasin (incorporated herein by reference to Exhibit 10.16 of Amendment No.2 to the Registration Statement on Form S-1 (File No. 333-191193) filed on October 4, 2013)

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10.11	†	Employment Agreement, dated as of September 26, 2013, by and between Essent US Holdings, Inc. and Lawrence E. McAlee (incorporated herein by reference to Exhibit 10.16 of the Annual Report on Form 10-K (File No. 001-36157) filed on February 27, 2015)
10.12	†	Employment Agreement, dated as of September 26, 2013, by and between Essent US Holdings, Inc. and Mary Lourdes Gibbons (incorporated herein by reference to Exhibit 10.17 of the Annual Report on Form 10-K (File No. 001-36157) filed on February 27, 2015)
10.13	†	Employment Agreement, dated as of March 13, 2015, by and between Essent Reinsurance Ltd. and Joseph Hissong (incorporated herein by reference to Exhibit 10.18 of the Annual Report on Form 10-K (File No. 001-36157) filed on February 29, 2016)
10.14	†	Employment Agreement, dated as of September 26, 2013, by and between Essent Guaranty, Inc. and Jeff Cashmer (incorporated herein by reference to Exhibit 10.19 of the Annual Report on Form 10-K (File No. 001-36157) filed on February 16, 2017)
10.15	†	Employment Agreement, dated as of September 26, 2013, by and between Essent Guaranty, Inc. and Christopher G. Curran (incorporated herein by reference to Exhibit 10.13 of the Annual Report on Form 10-K (File No. 001-36157) filed on February 19, 2019)
10.16	†	Form of Director and Officer Indemnification Agreement (incorporated herein by reference to Exhibit 10.17 of the Registration Statement on Form S-1 (File No. 333-191193) filed on September 16, 2013)
10.17	†	Section 409A Specified Employee Policy (incorporated herein by reference to Exhibit 10.18 of Amendment No.2 to the Registration Statement on Form S-1 (File No. 333-191193) filed on October 4, 2013)
10.18		Second Amended and Restated Credit Agreement, dated as of October 14, 2020, by and among Essent Group Ltd., Essent Irish Intermediate Holdings Limited and Essent US Holdings, Inc., as borrowers, the several banks and other financial institutions or entities from time to time parties to this agreement, as lenders, and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference herein to Exhibit 10.1 of the Current Report on Form 8-K (File No. 001-36157) filed on October 20, 2020)
21.1	*	List of Subsidiaries
23.1	*	Consent of PricewaterhouseCoopers LLP
31.1	*	Certification of Chief Executive Officer required by Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	*	Certification of Chief Financial Officer required by Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	*	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	*	Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH	*	XBRL Taxonomy Extension Schema Document
101.CAL	*	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	*	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	*	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	*	XBRL Taxonomy Extension Presentation Linkbase Document
104		Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.
†	Management contract or compensatory plan or arrangement.
*	Filed herewith

ITEM 16.    FORM 10-K SUMMARY

None

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SIGNATURES

Under the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, this report was signed on behalf of the Registrant by the authorized person named below in Radnor, Pennsylvania on the 26th day of February, 2021.

ESSENT GROUP LTD.
By:	/s/ MARK A. CASALE
	Name:	Mark A. Casale
	Title:	Chairman of the Board of Directors, Chief Executive Officer and President

________________________________________________________________________________________________________________________

Under the requirements of the Securities Exchange Act of 1934, this report was signed by the following persons on behalf of the Registrant and in the capacities and on the date indicated.

Signature	Title	Date
/s/ MARK A. CASALE	Chairman of the Board of Directors, Chief Executive Officer and President	February 26, 2021
Mark A. Casale
/s/ LAWRENCE E. MCALEE	Senior Vice President, Chief Financial Officer	February 26, 2021
Lawrence E. McAlee
/s/ DAVID B. WEINSTOCK	Vice President, Chief Accounting Officer	February 26, 2021
David B. Weinstock
/s/ JANE P. CHWICK	Director	February 26, 2021
Jane P. Chwick
/s/ ADITYA DUTT	Director	February 26, 2021
Aditya Dutt
/s/ ROBERT GLANVILLE	Director	February 26, 2021
Robert Glanville
/s/ ANGELA HEISE	Director	February 26, 2021
Angela Heise
/s/ ROY J. KASMAR	Director	February 26, 2021
Roy J. Kasmar
/s/ ALLAN LEVINE	Director	February 26, 2021
Allan Levine
/s/ DOUGLAS J. PAULS	Director	February 26, 2021
Douglas J. Pauls
/s/ WILLIAM SPIEGEL	Director	February 26, 2021
William Spiegel

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QuickLinks

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EX-10.7

EXHIBIT 10.7

FORM OF RESTRICTED STOCK AGREEMENT

    Pursuant to the Notice of Grant of Stock (the “Grant Notice”) attached to this Restricted Stock Agreement (the “Agreement”), Essent Group Ltd. (the “Company”)has granted to the holder named in the row entitled “Participant Name” in the Grant Notice (the “Participant”) the number of shares of Stock (as defined below) set forth in the row entitled “Share Amount” in the Grant Notice (the “Shares”) pursuant to the Company’s 2013 Long-Term Incentive Plan, as amended from time to time (the “Plan”).

ARTICLE I.

GENERAL

1.1    Defined Terms. Capitalized terms not specifically defined herein shall have the meanings specified in Exhibit A to this Agreement, the Plan or the Grant Notice.

1.2    Incorporation of Terms of Plan. The Shares issued to Participant hereunder are subject to the terms and conditions set forth in this Agreement and the Plan, which is incorporated herein by reference. In the event of any inconsistency between the Plan and this Agreement or the Grant Notice, the terms of the Plan shall control.

ARTICLE II.

ISSUANCE OF SHARES

2.1    Issuance of Shares. In consideration of Participant’s past and/or continued employment with or service to the Company or one of its Affiliates and for other good and valuable consideration, effective as of the date set forth in the Grant Notice in the row entitled “Grant/Award Date” (the “Grant Date”), the Company has granted to Participant the number of Shares set forth in the Grant Notice, upon the terms and conditions set forth in the Grant Notice, the Plan and this Agreement.

2.2    Issuance Mechanics. As of the Grant Date, the Company shall issue the Shares in the form of the Company’s common shares, par value $0.015 per share (“Stock”), to Participant and shall (a) cause a stock certificate or certificates representing such shares of Stock to be registered in the name of Participant, or (b) cause such shares of Stock to be held in book-entry form. If a stock certificate is issued, it shall be delivered to and held in custody by the Company and shall bear the restrictive legends required by Section 5.1. If the shares of Stock are held in book-entry form, then such entry will reflect that the shares are subject to the restrictions of this Agreement.

ARTICLE III.

FORFEITURE AND TRANSFER RESTRICTIONS

3.1    Forfeiture Restriction. Subject to the provisions of Section 3.2 below, in the event of Participant’s Termination for any reason, including as a result of Participant’s death or Disability, all of the Unreleased Shares (as defined in Section 3.2(d) below) shall thereupon be forfeited immediately for no consideration and without any further action by the Company (the “Forfeiture Restriction”), except as otherwise provided in a written agreement between Participant and the Company. Upon the occurrence of such forfeiture, the Company shall become the legal and beneficial owner of the Unreleased Shares and all rights and interests therein or relating thereto, and the Company shall have the right to retain and transfer to its own name the number of Unreleased Shares being forfeited by Participant. The Unreleased

Shares shall be held by the Company in accordance with Section 3.3 until the Shares are forfeited as provided in this Section 3.1, until such Unreleased Shares are fully released from the Forfeiture Restriction as provided in Section 3.2 or until such time as this Agreement is no longer in effect. Participant hereby authorizes and directs the Company (or such person designated by the Committee), to transfer any Unreleased Shares that are forfeited pursuant to this Section 3.1 from Participant to the Company.

3.2    Release of Shares from Forfeiture Restriction.

(a)     Following the completion of the Performance Period, the Committee shall determine the Company’s BVPS Growth Percentage and Relative Total Shareholder Return and will certify the level of achievement with respect to the Vesting Percentage and the portion of Shares granted herein that have become Earned Shares. Following the Committee’s determination, Participant shall immediately forfeit for no consideration any and all Shares which do not become Earned Shares, and Participant’s rights in any such Shares which do not become Earned Shares shall immediately lapse and expire. Each Earned Share shall be fully vested on the date set forth in the Grant Notice under the heading “Vesting Schedule” (the “Vesting Date”).

(b)    Notwithstanding the foregoing, if a Change in Control occurs:

(i)    on or following the completion of the Performance Period but prior to the Vesting Date, one hundred percent (100%) of the then-unvested Earned Shares shall fully vest upon the consummation of such Change in Control; or

(ii)    prior to the expiration of the Performance Period:

(A)    the number of Shares which become Earned Shares upon the consummation of such Change in Control shall be the greater of (x) the number of Shares that would have become Earned Shares at the “Target” level BVPS Growth Percentage and assuming “Target” Relative Total Shareholder Return, in each case, as set forth in the definition of “Vesting Percentage” in Exhibit A hereto, and (y) the number of Shares that would have become Earned Shares at the “Target” level BVPS Growth Percentage as set forth in the definition of “Vesting Percentage” in Exhibit A hereto and based on actual Relative Total Shareholder Return, determined in accordance with Exhibit A hereto; and

(B)    the treatment of the Earned Shares determined pursuant to Section 3.2(b)(ii)(A) above will be dependent upon whether the acquiring or surviving company (the “Acquirer”) assumes the outstanding equity awards as follows:

(i)    if the Acquirer does not assume the Shares on or before the date of such Change in Control, the Earned Shares shall become fully vested on such date and shall be treated in the same manner as Stock held by shareholders of the Company in connection with such Change in Control; or

(ii)    if the Acquirer assumes the Shares, provided that Participant remains employed by the Service Recipient pursuant to terms and conditions substantially similar to those set forth in the Participant’s Employment Agreement with the Service Recipient, dated September 30, 2013, as such agreement may be amended, restated or otherwise modified from time to time (the “Employment Agreement”), the Acquirer or any of their respective Affiliate(s), as the case may be, upon and after the consummation of such Change in Control, the Earned Shares shall be converted into a number of time-based restricted shares of the Acquirer’s common stock (or, if the Acquirer is a subsidiary

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of another company, time-based restricted shares of the Acquirer’s ultimate parent entity) that have in the aggregate a fair market value equal to the fair market value of such Earned Shares as of the consummation of such Change in Control, and that shall fully vest on the earlier of (A) December 31, 20__, or (B) a Termination of Participant’s employment with the Service Provider, the Acquirer and/or their respective Affiliate(s) upon or after such Change in Control as a result of Participant’s death or Disability (as such term is defined in and subject to the applicable provisions set forth in the Employment Agreement), a Termination by the Company without Cause (as such term is defined in and subject to the applicable provisions set forth in the Employment Agreement), or a Termination by Participant for Good Reason (as such term is defined in and subject to the applicable provisions set forth in the Employment Agreement); provided, however, that notwithstanding the foregoing, in no event shall any Earned Shares be exchanged for or converted into shares of a class or series that is not publicly traded and marketable as of the date of such Change in Control without the prior consent of Participant in his or her sole discretion, and in the event that Participant does not so consent then such Earned Shares shall be deemed to be fully vested as of such Change in Control in accordance with Section 3.2(b)(ii)(A) and shall be treated in the same manner as Stock held by shareholders of the Company in connection with such Change in Control; and

(C)    Participant shall immediately forfeit for no consideration any and all Shares which do not become Earned Shares as of the consummation of such Change in Control, and Participant’s rights in any such Shares which do not become Earned Shares shall immediately lapse and expire.

(c)     In the event Participant incurs a Termination as a result of (i) Participant’s death, (ii) Participant’s Disability (as such term is defined in and subject to the applicable provisions set forth in the Employment Agreement), (iii) a Termination by the Service Recipient without Cause (as such term is defined in and subject to the applicable provisions set forth in the Employment Agreement), (iv) a Termination by Participant for Good Reason (as such term is defined in and subject to the applicable provisions set forth in the Employment Agreement), or (v) a voluntary Termination by Participant that follows (x) satisfaction for late, normal or early retirement under the tax-qualified defined contribution plan in which Participant is eligible to participate, as defined in such plan or (y) the date after which Participant has attained the age of sixty-two (62) and completed at least ten (10) years of continuous service with the Company or its Affiliates, then:

(i)    if such Termination occurs on or following the completion of the Performance Period, one hundred percent (100%) of the Earned Shares for such Performance Period shall fully vest upon the Vesting Date;

(ii)    if such Termination occurs prior to the expiration of the Performance Period, the Shares shall remain outstanding through the last day of the Performance Period, without regard to the Termination, the number of Shares which become Earned Shares, if any, shall be determined based on the Vesting Percentage during the Performance Period, and the number of Earned Shares that become vested on the Vesting Date shall be determined by multiplying the number of Earned Shares by a fraction, the numerator of which is the number of days which elapsed from the commencement of the Performance Period through the date of the Termination and the denominator of which is 1,095, and any other unvested Shares (excluding unvested Earned Shares) as of such date shall immediately be forfeited for no consideration, and Participant’s rights in any such unvested Shares (excluding unvested Earned Shares) shall immediately lapse and expire (the “Initial Termination Shares”); provided, however that if such Termination is by the Service Recipient without Cause or by Participant for Good Reason and:

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(A)    a Change in Control does not occur prior to the last day of the Performance Period (assuming no Change in Control), (1) if the date of the Termination was not more than 180 days prior to the last day of the Performance Period, the unvested Earned Shares shall remain outstanding through the last day of the 180-day period following the date of the Termination (the “Protected Period”), and (2) if a Change in Control occurs after the last day of the Performance Period and during the Protected Period, then in addition to the vesting of the Initial Termination Shares upon such Termination, one hundred percent (100%) of the then-unvested Earned Shares shall fully vest upon the consummation of such Change in Control; and

(B)    a Change in Control occurs prior to the last day of the Performance Period (assuming no Change in Control) and during the Protected Period, the number of Shares which become Earned Shares will be determined in accordance with Section 3.2(b)(ii).

(d)    The Shares shall be released from the Forfeiture Restriction in accordance with the vesting schedule set forth in the Grant Notice. Any of the Shares which, from time to time, have not yet been released from the Forfeiture Restriction are referred to herein as “Unreleased Shares.” In the event any of the Unreleased Shares are released from the Forfeiture Restriction, any Retained Distributions (as defined below) paid on such Unreleased Shares shall be promptly paid by the Company to Participant. As soon as administratively practicable following the release of any Shares from the Forfeiture Restriction, the Company shall, as applicable, either deliver to Participant the certificate or certificates representing such Shares in the Company’s possession belonging to Participant, or, if the Shares are held in book-entry form, then the Company shall remove the notations indicating that the Shares are subject to the restrictions of this Agreement. Participant (or the beneficiary or personal representative of Participant in the event of Participant’s death or incapacity, as the case may be) shall deliver to the Company any representations or other documents or assurances as the Company or its representatives deem necessary or advisable in connection with any such delivery.

3.3    Escrow.

(a)    The Unreleased Shares shall be held by the Company until such Unreleased Shares are forfeited as provided in Section 3.1, until such Unreleased Shares are fully released from the Forfeiture Restriction as provided in Section 3.2, or until such time as this Agreement is no longer in effect. Participant shall not retain physical custody of any certificates representing Unreleased Shares issued to Participant. Participant, by acceptance of this Agreement, shall be deemed to appoint, and does so appoint, the Company and each of its authorized representatives as Participant’s attorney(s)-in-fact to effect any transfer of forfeited Unreleased Shares (and Retained Distributions, if any, paid on such forfeited Unreleased Shares) to the Company as may be required pursuant to the Plan or this Agreement, and to execute such representations or other documents or assurances as the Company or such representatives deem necessary or advisable in connection with any such transfer. To the extent allowable by applicable law and the applicable rules of each national securities exchange on which the Stock is listed, the Company, or its designee, shall not be liable for any act it may do or omit to do with respect to holding the Shares in escrow and while acting in good faith and in the exercise of its judgment.

(b)    The Company will retain custody of all cash dividends and other distributions (“Retained Distributions”) made or declared with respect to Unreleased Shares (and such Retained Distributions will be subject to the Forfeiture Restriction and the other terms and conditions under this Agreement that are applicable to the Shares) until such time, if ever, as the Unreleased Shares with respect to which such Retained Distributions shall have been made, paid or declared shall have become vested pursuant to the Grant Notice. Retained Distributions that were made or declared in cash will be

4

deemed reinvested in notional shares of Stock such that upon release and distribution of such Retained Distributions to Participant as set forth in the immediately preceding sentence, Participant shall be entitled to receive on the date of such distribution or release an amount of cash or the number of whole shares of Stock or a combination thereof, as determined by the Committee, the aggregate fair value of which shall be equal to the Fair Market Value of the notional shares of Stock to which such released Retained Distributions relate. Any Retained Distributions with respect to Unreleased Shares shall be forfeited in the event such Unreleased Shares are forfeited.

3.4    Rights as Stockholder. Except as otherwise provided herein, upon issuance of the Shares by the Company, Participant shall have all the rights of a stockholder with respect to said Shares, subject to the restrictions herein, including the right to vote the Shares and to receive all dividends or other distributions paid or made with respect to the Shares.

ARTICLE IV.

TAXATION AND TAX WITHHOLDING

4.1    Representation. Participant represents to the Company that Participant has reviewed with his or her own tax advisors the federal, state, local and foreign tax consequences of this investment and the transactions contemplated by this Agreement. Participant is relying solely on such advisors and not on any statements or representations of the Company or any of its agents. Participant is ultimately liable and responsible for all taxes owed in connection with this investment and the transactions contemplated by this Agreement, regardless of any action the Company or any of its Affiliates take with respect to any tax withholding obligations that arise in connection with the Shares. Neither the Company nor any of its Affiliates make any representation or undertaking regarding the treatment of any tax withholding in connection with the Shares or Participant’s sale of shares of Stock. The Company and its Affiliates do not commit and are under no obligation to structure this investment or the transactions contemplated by this Agreement to reduce or eliminate Participant’s tax liability.

4.2    Section 83(b) Election. If Participant makes an election under Section 83(b) of the U.S. Internal Revenue Code of 1986, as amended (the “Code”), to be taxed with respect to the Shares as of the date of transfer of the Shares rather than as of the date or dates upon which Participant would otherwise be taxable under Section 83(a) of the Code, Participant shall deliver a copy of such election to the Company promptly upon filing such election with the Internal Revenue Service.

4.3    Tax Withholding. Notwithstanding any other provision of this Agreement:

(a)    The Company and its Affiliates have the authority to deduct or withhold, or require Participant to remit to the Company or the applicable Affiliate, an amount sufficient to satisfy applicable federal, state, local and foreign taxes (including the employee portion of any FICA obligation) required by law to be withheld with respect to any taxable event arising pursuant to this Agreement. The Company and its Affiliates may withhold or Participant may make such payment in one or more of the forms specified below:

(i)    by cash or check made payable to the Company or its Affiliate with respect to which the withholding obligation arises;

(ii)    by the deduction of such amount from other compensation payable to Participant;

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(iii)    with respect to any withholding taxes arising in connection with the vesting of the Shares, with the consent of the Committee, by requesting that the Company and its Affiliates withhold a net number of vested Shares having a then current Fair Market Value not exceeding the amount necessary to satisfy the withholding obligation of the Company and its Affiliates based on the minimum applicable statutory withholding rates for federal, state, local and foreign income tax and payroll tax purposes;

(iv)    with respect to any withholding taxes arising in connection with the vesting of the Shares, with the consent of the Committee, by tendering to the Company vested shares of Stock having a then current Fair Market Value not exceeding the amount necessary to satisfy the withholding obligation of the Company and its Affiliates based on the minimum applicable statutory withholding rates for federal, state, local and foreign income tax and payroll tax purposes;

(v)    with respect to any withholding taxes arising in connection with the vesting of the Shares, through the delivery of a notice that Participant has placed a market sell order with a broker acceptable to the Company with respect to those Shares that are then becoming vested and that the broker has been directed to pay a sufficient portion of the net proceeds of the sale to the Company or the Affiliate with respect to which the withholding obligation arises in satisfaction of such withholding taxes; provided that payment of such proceeds is then made to the Company or the applicable Affiliate at such time as may be required by the Committee, but in any event not later than the settlement of such sale; or

(vi)    in any combination of the foregoing.

(b)    With respect to any withholding taxes arising in connection with the Shares, in the event Participant fails to provide timely payment of all sums required pursuant to Section 4.3(a), the Company shall have the right and option, but not the obligation, to treat such failure as an election by Participant to satisfy all or any portion of Participant’s required payment obligation pursuant to Section 4.3(a)(ii) or Section 4.3(a)(iii) above, or any combination of the foregoing as the Company may determine to be appropriate; provided that, in the event a taxable event occurs in connection with the shares of a successor entity following a Change in Control, then Participant shall have the right to elect to satisfy applicable withholding taxes in accordance with the cashless method described in Section 4.3(a)(iii) above.

(c)    The Company shall not be obligated to deliver any certificate representing the Shares to Participant or his or her legal representative unless and until Participant or his or her legal representative shall have paid or otherwise satisfied in full the amount of all federal, state, local and foreign taxes applicable with respect to the taxable income of Participant resulting from the vesting of the Shares or any other taxable event related to the Shares.

(d)    In the event any tax withholding obligation arising in connection with the Shares will be satisfied under Section 4.3(a)(iii), then the Company may elect to instruct any brokerage firm determined acceptable to the Company for such purpose to sell on Participant’s behalf a whole number of shares of Stock from those Shares that are then becoming vested as the Company determines to be appropriate to generate cash proceeds sufficient to satisfy the tax withholding obligation and to remit the proceeds of such sale to the Company or the Affiliate with respect to which the withholding obligation arises. Participant’s acceptance of this Agreement constitutes Participant’s instruction and authorization to the Company and such brokerage firm to complete the transactions described in this Section 4.3(d), including the transactions described in the previous sentence, as applicable. The Company may refuse to

6

deliver any certificate representing the Shares to Participant or his or her legal representative until the foregoing tax withholding obligations are satisfied.

(e)    Participant is ultimately liable and responsible for all taxes owed in connection with the Shares, regardless of any action the Company or any of its Affiliates takes with respect to any tax withholding obligations that arise in connection with the Shares. Neither the Company nor any of its Affiliates make any representation or undertaking regarding the treatment of any tax withholding in connection with the awarding, vesting or payment of the Shares or the subsequent sale of the Shares. The Company and its Affiliates do not commit and are under no obligation to structure this Agreement to reduce or eliminate Participant’s tax liability.

ARTICLE V.

RESTRICTIVE LEGENDS AND STOP-TRANSFER ORDERS

5.1    Legends. The certificate or certificates representing the Shares, if any, shall bear the following legend (as well as any legends required by the Company’s charter and applicable law):

THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO FORFEITURE IN FAVOR OF THE COMPANY AND MAY BE TRANSFERRED ONLY IN ACCORDANCE WITH THE TERMS OF A RESTRICTED STOCK AGREEMENT BETWEEN THE COMPANY AND THE STOCKHOLDER, A COPY OF WHICH IS ON FILE WITH THE SECRETARY OF THE COMPANY.

5.2    Refusal to Transfer; Stop-Transfer Notices. The Company shall not be required (a) to transfer on its books any Shares that have been sold or otherwise transferred in violation of any of the provisions of this Agreement or (b) to treat as owner of such Shares or to accord the right to vote or pay dividends to any purchaser or other transferee to whom such Shares shall have been so transferred. Participant agrees that, in order to ensure compliance with the restrictions referred to herein, the Company may issue appropriate “stop transfer” instructions to its transfer agent, if any, and that, if the Company transfers its own securities, it may make appropriate notations to the same effect in its own records.

5.3    Removal of Legend. After such time as the Forfeiture Restriction shall have lapsed with respect to the Shares, and upon Participant’s request, a new certificate or certificates representing such Shares shall be issued without the legend referred to in Section 5.1 and delivered to Participant. If the Shares are held in book entry form, the Company shall cause any restrictions noted on the book form to be removed.

ARTICLE VI.

OTHER PROVISIONS

6.1    Administration. The Committee shall have the power to interpret the Plan, the Grant Notice and this Agreement and to adopt such rules for the administration, interpretation and application of the Plan, the Grant Notice and this Agreement as are consistent therewith and to interpret, amend or revoke any such rules. All actions taken and all interpretations and determinations made by the Committee will be final, binding, and conclusive upon Participant, the Company and all other interested persons. To the extent allowable pursuant to applicable law, no member of the Committee or the Board

7

will be personally liable for any action, determination or interpretation made with respect to the Plan, the Grant Notice or this Agreement.

6.2    Shares Not Transferable. The Shares and Retained Distributions may not be sold, pledged, assigned or transferred in any manner unless and until the Forfeiture Restrictions have lapsed. No Unreleased Shares or Retained Distributions or any interest or right therein or part thereof shall be liable for the debts, contracts or engagements of Participant or his or her successors in interest or shall be subject to disposition by transfer, alienation, anticipation, pledge, encumbrance, assignment or any other means whether such disposition be voluntary or involuntary or by operation of law by judgment, levy, attachment, garnishment or any other legal or equitable proceedings (including bankruptcy), and any attempted disposition thereof shall be null and void and of no effect.

6.3    Adjustments. The Committee may accelerate the vesting of all or a portion of the Unreleased Shares in such circumstances as it, in its sole discretion, may determine. Participant acknowledges that the Shares are subject to adjustment, modification and termination in certain events as provided in this Agreement and Section 11 of the Plan.

6.4    Notices. Any notice to be given under the terms of this Agreement to the Company shall be addressed to the Company in care of the Secretary of the Company at the Company’s principal office, and any notice to be given to Participant shall be addressed to Participant at Participant’s last address reflected on the Company’s records. By a notice given pursuant to this Section 6.4, either party may hereafter designate a different address for notices to be given to that party. Any notice shall be deemed duly given when sent via email or when sent by certified mail (return receipt requested) and deposited (with postage prepaid) in a post office or branch post office regularly maintained by the United States Postal Service.

6.5    Titles. Titles are provided herein for convenience only and are not to serve as a basis for interpretation or construction of this Agreement.

6.6    Governing Law. This Agreement shall be governed by and construed in accordance with the internal laws of Bermuda without reference to the principles of conflicts of laws thereof.

6.7    Conformity to Securities Laws. Participant acknowledges that the Plan, the Grant Notice and this Agreement are intended to conform to the extent necessary with all applicable laws, including, without limitation, the provisions of the Securities Act and the Exchange Act, and any and all regulations and rules promulgated thereunder by the Securities and Exchange Commission, and state securities laws and regulations. Notwithstanding anything herein to the contrary, the Plan shall be administered, and the Shares are granted, only in such a manner as to conform to applicable law. To the extent permitted by applicable law, the Plan and this Agreement shall be deemed amended to the extent necessary to conform to applicable law.

6.8    Amendment, Suspension and Termination. To the extent permitted by the Plan, this Agreement may be wholly or partially amended or otherwise modified, suspended or terminated at any time or from time to time by the Committee or the Board, provided that, except as may otherwise be provided by the Plan, no amendment, modification, suspension or termination of this Agreement shall adversely affect the Shares in any material way without the prior written consent of Participant.

6.9    Successors and Assigns. The Company may assign any of its rights under this Agreement to single or multiple assignees, and this Agreement shall inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer set forth in Section 6.2 and the Plan,

8

this Agreement shall be binding upon and inure to the benefit of the heirs, legatees, legal representatives, successors and assigns of the parties hereto.

6.10    Limitations Applicable to Section 16 Persons. Notwithstanding any other provision of the Plan or this Agreement, if Participant is subject to Section 16 of the Exchange Act, the Plan, the Shares, the Grant Notice and this Agreement shall be subject to any additional limitations set forth in any applicable exemptive rule under Section 16 of the Exchange Act (including any amendment to Rule 16b-3 of the Exchange Act) that are requirements for the application of such exemptive rule. To the extent permitted by applicable law, this Agreement shall be deemed amended to the extent necessary to conform to such applicable exemptive rule.

6.11    Not a Contract of Employment. Nothing in this Agreement or in the Plan shall confer upon Participant any right to continue to serve as an employee or other service provider of the Company or any of its Affiliates or shall interfere with or restrict in any way the rights of the Company or its Affiliates, which rights are hereby expressly reserved, to discharge or terminate the services of Participant at any time for any reason whatsoever, with or without cause, except to the extent expressly provided otherwise in a written agreement between the Company or one of its Affiliates and Participant.

6.12    Entire Agreement. The Plan, the Grant Notice and this Agreement (including any exhibit hereto) constitute the entire agreement of the parties and supersede in their entirety all prior undertakings and agreements of the Company and Participant with respect to the subject matter hereof.

6.13    Sections 409A and 457A. This Agreement is not intended to constitute “nonqualified deferred compensation” within the meaning of Section 409A of the Code (together with any Department of Treasury regulations and other interpretive guidance issued thereunder, including without limitation any such regulations or other guidance that may be issued after the date hereof, “Section 409A”). However, notwithstanding any other provision of the Plan, the Grant Notice or this Agreement, if at any time the Committee determines that this Agreement (or any portion thereof) may be subject to Section 409A or Section 457A of the Code (together with any Department of Treasury regulations and other interpretive guidance issued thereunder, including without limitation any such regulations or other guidance that may be issued after the date hereof, “Section 457A”), the Committee shall have the right in its sole discretion (without any obligation to do so or to indemnify Participant or any other person for failure to do so) to adopt such amendments to the Plan, the Grant Notice or this Agreement, or adopt other policies and procedures (including amendments, policies and procedures with retroactive effect), or take any other actions, as the Committee determines are necessary or appropriate for this Agreement and the award of Shares either to be exempt from the application of Section 409A or Section 457A or to comply with the requirements of Section 409A or Section 457A.

6.14    Agreement Severable. In the event that any provision of the Grant Notice or this Agreement is held invalid or unenforceable, such provision will be severable from, and such invalidity or unenforceability will not be construed to have any effect on, the remaining provisions of the Grant Notice or this Agreement.

6.15    Limitation on Participant’s Rights. Participation in the Plan confers no rights or interests other than as herein provided. This Agreement creates only a contractual obligation on the part of the Company as to amounts payable and shall not be construed as creating a trust. Neither the Plan nor any underlying program, in and of itself, has any assets. Participant shall have only the rights of a general unsecured creditor of the Company with respect to amounts credited and benefits payable, if any, with respect to the Shares.

9

6.16    Counterparts. The Grant Notice may be executed in one or more counterparts, including by way of any electronic signature, subject to applicable law, each of which shall be deemed an original and all of which together shall constitute one instrument.

6.17    Broker-Assisted Sales. In the event of any broker-assisted sale of shares of Stock in connection with the payment of withholding taxes as provided in Section 4.3(a)(iii) or Section 4.3(a)(v): (A) any shares of Stock to be sold through a broker-assisted sale will be sold on the day the tax withholding obligation arises or as soon thereafter as practicable; (B) such shares of Stock may be sold as part of a block trade with other participants in the Plan in which all participants receive an average price; (C) Participant will be responsible for all broker’s fees and other costs of sale, and Participant agrees to indemnify and hold the Company harmless from any losses, costs, damages, or expenses relating to any such sale; (D) to the extent the proceeds of such sale exceed the applicable tax withholding obligation, the Company agrees to pay such excess in cash to Participant as soon as reasonably practicable; (E) Participant acknowledges that the Company or its designee is under no obligation to arrange for such sale at any particular price, and that the proceeds of any such sale may not be sufficient to satisfy the applicable tax withholding obligation; and (F) in the event the proceeds of such sale are insufficient to satisfy the applicable tax withholding obligation, Participant agrees to pay immediately upon demand to the Company or its Affiliate with respect to which the withholding obligation arises an amount in cash sufficient to satisfy any remaining portion of the Company’s or the applicable Affiliate’s withholding obligation.

6.18    Lock-Up. Participant shall agree, if so requested by the Company and any underwriter in connection with any public offering of securities of the Company, not to directly or indirectly offer, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant for the sale of or otherwise dispose of or transfer any shares of Stock held by him or her for such period, not to exceed one hundred eighty (180) days following the effective date of the relevant registration statement filed under the Securities Act in connection with such public offering, as such underwriter shall specify reasonably and in good faith. The Company may impose stop-transfer instructions with respect to securities subject to the foregoing restrictions until the end of such 180-day period.

6.19    Acceptance of Agreement, Plan and Grant Notice. By his or her acceptance of the Grant Notice, Participant agrees to be bound by the terms and conditions of the Agreement, the Plan and the Grant Notice. Participant has reviewed the Agreement, the Plan and the Grant Notice in their entirety, has had an opportunity to obtain the advice of counsel prior to accepting the Grant Notice and fully understands all provisions of the Grant Notice, the Agreement and the Plan. Participant agrees to accept as binding, conclusive and final all decisions or interpretations of the Committee upon any questions arising under the Agreement, Plan or the Grant Notice.

*    *    *

10

EXHIBIT A

CERTAIN DEFINED TERMS

For purposes of the Grant Notice and the Agreement, the following terms have the following meanings:

(a)    “Adjusted Book Value” means, for any year, (i) the consolidated stockholder’s equity of the Company computed in accordance with GAAP, as reflected in the Company’s financial statements, plus or minus (ii) accumulated other comprehensive income (loss) (within the meaning of GAAP) as reflected in the Company’s financial statements, plus (iii) the proceeds from the assumed exercise of all outstanding “in-the-money” stock options, warrants, or similar instruments, plus (iv) cash dividends and other distributions paid in respect of the Company’s outstanding equity, and assuming that all cash dividends and cash distributions are immediately reinvested in common shares of the Company using the closing market price on the ex-dividend date, plus (v) any amounts paid by the Company to its equityholders for the repurchase of shares of Company’s outstanding equity. For purposes of determining “Adjusted Book Value” (A) the following items shall not be taken into account, (x) the cumulative effect of changes in accounting principles under GAAP, (y) the cumulative effective of changes in tax laws and/or tax rates, and (z) the impact of extraordinary, unusual and/or non-recurring items, in each case, at the discretion of the Committee and (B) there shall be adjustments to give effect to any stock dividends or stock splits.

(b)    “Beginning Share Price” shall mean the product of (x) the average closing price of the common stock of the applicable company during the thirty (30) consecutive trading days preceding the first day of the Performance Period, in each case, with such stock price rounded down to the nearest cent, and (y) the sum of (A) one share of common stock of the applicable company, plus (B) a cumulative number of shares of common stock purchased with the dividends declared on the common stock, assuming same day reinvestment of the dividend in shares of common stock at the closing price on the ex-dividend date, for the ex-dividend dates that occur during the thirty (30) consecutive trading days preceding the first day of the Performance Period, rounded down to the nearest thousandths.

(c)    “BVPS” means, for any year, Adjusted Book Value divided by Diluted Common Shares Outstanding, as determined by the Committee in good faith.

(d)    “BVPS Growth Percentage” means, for the Performance Period, the compounded annual growth rate in BVPS measured at the end of the Performance Period over the BVPS measured at the end of the year prior to the beginning of the Performance Period.

(e)    “Comparator Group” shall mean companies comprising the S&P 1500 Financials Index as of the first day of the Performance Period, inclusive of the Company. The Comparator Group may be changed as follows: (i) in the event of a merger, acquisition or business combination transaction of a member of the Comparator Group with or by another member of the Comparator Group, the surviving entity will remain in the Comparator Group; (ii) in the event of a merger, acquisition or other business combination transaction of a member of the Comparator Group with or by another company that is not a member of the Comparator Group, or “going private transaction” where the member of the Comparator Group is not the surviving entity or is otherwise no longer publicly traded, the company will no longer be a member of the Comparator Group; and (iii) in the event of a bankruptcy of a member of the Comparator Group such company will remain a member of the Comparator Group so long as such company is publicly traded.

(f)    “Diluted Common Shares Outstanding” means, (i) the total number shares of Stock outstanding, plus all “in-the-money” stock options, warrants and similar instruments and equity instruments (including any Restricted Stock Units) issued to employees, officers, directors and consultants of the Company and its Affiliates; provided, however, that Diluted Common Shares Outstanding shall be equitably adjusted to give effect to any of the Company’s equity shares repurchased during the Performance Period.

(g)    “Earned Shares” means (i) the number of Shares granted herein, multiplied by (ii) the Vesting Percentage.

(h)    “Ending Share Price” shall mean the product of (x) the average closing price of the common stock of the applicable company during the thirty (30) consecutive trading days ending on (and including) the last day of the Performance Period, in each case, with such stock price rounded down to the nearest cent, and (y) the sum of (A) one share of common stock of the applicable company, plus (B) a cumulative number of shares of common stock purchased with the dividends declared on the common stock, assuming same day reinvestment of the dividend in shares of common stock at the closing price on the ex-dividend date, for the ex-dividend dates that occur during the thirty (30) consecutive trading days preceding the first day of the Performance Period through the expiration of the Performance Period, rounded down to the nearest thousandths; provided, that, notwithstanding the foregoing, in the event of a Change in Control, the Ending Share Price in respect of the Company shall be equal to the price per share of Stock to be paid to the holder thereof in accordance with the definitive agreement governing the transaction constituting the Change in Control (or, in the absence of such agreement, the closing price per share of Stock as reported for the last trading day immediately preceding the consummation of the Change in Control), adjusted to reflect an assumed reinvestment of any dividends in accordance with clause (B) above.

(i)    “Performance Period” means the period commencing on January 1, 20__ and ending on the earlier of (i) December 31, 20__ or (ii) the consummation of a Change in Control.

(j)    “Relative Total Shareholder Return” shall mean the Company’s Total Shareholder Return relative to the Total Shareholder Return of the Comparator Group, expressed as a percentile rank. Relative Total Shareholder Return shall be determined by calculating the Total Shareholder Return of the Company and each member of the Comparator Group for the Performance Period, and the Company and each member of the Comparator Group will be ranked in order of maximum to minimum according to their respective Total Shareholder Return for the Performance Period, with the company with the highest return ranked as 1. After this ranking, the percentile performance of the Company relative to the Comparator Group will be determined as follows:

P = 1 - ((R-1)/(N-1))

Where: “P” represents the percentile performance, which will be rounded, if necessary, to the nearest tenth of a percent.

“N” represents the number of companies in the Comparator Group (inclusive of the Company).

“R” represents the Company’s ranking versus the Comparator Group.

Example: If there are 225 companies in the Comparator Group (inclusive of the Company), and the Company ranked 86th out of 225, the performance would be at the 62nd percentile: .620 = 1 – ((86-1)/(225-1)).

A-2

(k)    “Total Shareholder Return” shall mean for each member of the Comparator Group, the percentage change in the value of the Stock or the common stock of a member of the Comparator Group, as applicable, determined by dividing (x) the Ending Share Price by (y) the Beginning Share Price, as determined by the Committee in its sole discretion, and then subtracting by 1.

(l)    “Vesting Percentage” means a function of the BVPS Growth Percentage achieved by the Company during the Performance Period, rounded to the nearest tenth of a percent (0.1%) and the Relative Total Shareholder Return achieved by the Company during the Performance Period, and shall be determined as follows:

	Relative Total Shareholder Return* vs. S&P 1500 Financial Services Index
Three-Year Book Value Per Share CAGR*

*    In the event that the BVPS Growth Percentage or the Relative Total Shareholder Return falls between the performance levels shown above, the Vesting Percentage shall be determined using a straight line linear interpolation between the respective levels shown.

A-3

EX-21.1

Exhibit 21.1

Essent Group Ltd.

List of Subsidiaries

Subsidiary	Jurisdiction of Incorporation/Formation
Essent Reinsurance Ltd. (1)	Bermuda
Essent Agency (Bermuda) Ltd. (2)	Bermuda
Essent Irish Intermediate Holdings Ltd. (1)	Republic of Ireland
Essent US Holdings, Inc. (3)	Delaware
Essent Guaranty of PA, Inc. (4)	Pennsylvania
CUW Solutions, LLC (4)	Delaware
Essent Guaranty, Inc. (4)	Pennsylvania
Essent Solutions, LLC (5)	Delaware

(1) 100% of common shares held by Essent Group Ltd.

(2) 100% of common shares held by Essent Reinsurance Ltd.

(3) 100% of common shares held by Essent Irish Intermediate Holdings Ltd.

(4) 100% of common shares held by Essent US Holdings Inc.

(5) 100% of common shares held by Essent Guaranty, Inc.

EX-23.1

Exhibit 23.1 

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-223110) and Form S-8 (No. 333-192092) of Essent Group Ltd. of our report dated February 26, 2021 relating to the financial statements and financial statement schedules and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP

Philadelphia, Pennsylvania
February 26, 2021

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Mark A. Casale, certify that:

1. I have reviewed this annual report on Form 10-K of Essent Group Ltd.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: February 26, 2021 

/s/ MARK A. CASALE

Mark A. Casale

President, Chief Executive Officer and Chairman

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Lawrence E. McAlee, certify that:

1. I have reviewed this annual report on Form 10-K of Essent Group Ltd.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: February 26, 2021 

/s/ LAWRENCE E. MCALEE

Lawrence E. McAlee

Senior Vice President and Chief Financial Officer

(Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned, Mark A. Casale, President, Chief Executive Officer and Chairman of Essent Group Ltd. (the “Company”), and Lawrence E. McAlee, Senior Vice President and Chief Financial Officer of the Company, each hereby certify, pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

(1) the Annual Report on Form 10-K of the Company for the year ended December 31, 2020 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 26, 2021

/s/ MARK A. CASALE

Mark A. Casale

President, Chief Executive Officer and Chairman

/s/ LAWRENCE E. MCALEE

Lawrence E. McAlee

Senior Vice President and Chief Financial Officer

XML

Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2020	Feb. 19, 2021	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-36157
Entity Registrant Name	ESSENT GROUP LTD.
Entity Incorporation, State or Country Code	D0
Entity Address, Address Line One	Clarendon House
Entity Address, Address Line Two	2 Church Street
Entity Address, City or Town	Hamilton
Entity Address, Postal Zip Code	HM11
Entity Address, Country	BM
City Area Code	441
Local Phone Number	297-9901
Title of 12(b) Security	Common Shares, $0.015 par value
Trading Symbol	ESNT
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 3,976,558,799
Entity Common Stock, Shares Outstanding		112,840,615
Documents Incorporated by Reference	Portions of the registrant's proxy statement for the 2021 Annual General Meeting of Shareholders are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Such Proxy Statement will be filed with the Securities and Exchange Commission within 120 days of the registrant's fiscal year ended December 31, 2020.
Entity Central Index Key	0001448893
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments
Total investments available for sale	$ 4,565,373	$ 3,350,747
Other invested assets	88,904	78,873
Total investments	4,654,277	3,429,620
Cash	102,830	71,350
Accrued investment income	19,948	18,535
Accounts receivable	50,140	40,655
Deferred policy acquisition costs	17,005	15,705
Property and equipment (at cost, less accumulated depreciation of $60,967 in 2020 and $57,639 in 2019)	15,095	17,308
Prepaid federal income tax	302,636	261,885
Other assets	40,793	18,367
Total assets	5,202,724	3,873,425
Liabilities
Reserve for losses and LAE	374,941	69,362
Unearned premium reserve	250,436	278,887
Net deferred tax liability	305,109	249,620
Credit facility borrowings (at carrying value, less unamortized deferred costs of $3,280 in 2020 and $763 in 2019)	321,720	224,237
Other accrued liabilities	87,885	66,474
Total liabilities	1,340,091	888,580
Commitments and contingencies (see Note 8)
Stockholders' Equity
Common shares, $0.015 par value: Authorized - 233,333; issued and outstanding - 112,423 shares in 2020 and 98,394 shares in 2019	1,686	1,476
Additional paid-in capital	1,571,163	1,118,655
Accumulated other comprehensive income	138,274	56,187
Retained earnings	2,151,510	1,808,527
Total stockholders' equity	3,862,633	2,984,845
Total liabilities and stockholders' equity	5,202,724	3,873,425
Fixed maturities
Investments
Total investments available for sale	3,838,513	3,035,385
Short-term investments
Investments
Total investments available for sale	$ 726,860	$ 315,362

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments
Amortized Cost	$ 4,404,690	$ 3,282,585
Property, Plant and Equipment, Net
Accumulated depreciation	60,967	57,639
Credit Facility Borrowings
Unamortized deferred costs	$ 3,280	$ 763
Stockholders' Equity
Common Shares, par value (in dollars per share)	$ 0.015	$ 0.015
Common Shares, authorized (in shares)	233,333	233,333
Common Shares, issued (in shares)	112,423	98,394
Common Shares, outstanding (in shares)	112,423	98,394
Fixed maturities
Investments
Amortized Cost	$ 3,677,815	$ 2,967,225
Short-term investments
Investments
Amortized Cost	$ 726,875	$ 315,360

XML

Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Net premiums written	$ 834,113	$ 760,845	$ 685,287
Decrease (increase) in unearned premiums	28,451	16,580	(35,795)
Net premiums earned	862,564	777,425	649,492
Net investment income	80,087	83,542	64,091
Realized investment gains, net	2,697	3,229	1,318
Other income	9,806	3,371	4,452
Total revenues	955,154	867,567	719,353
Losses and expenses:
Provision for losses and LAE	301,293	32,986	11,575
Other underwriting and operating expenses	154,691	165,369	150,900
Interest expense	9,074	10,151	10,179
Total losses and expenses	465,058	208,506	172,654
Income before income taxes	490,096	659,061	546,699
Income tax expense	77,055	103,348	79,336
Net income	$ 413,041	$ 555,713	$ 467,363
Earnings per share:
Basic (in dollars per share)	$ 3.89	$ 5.68	$ 4.80
Diluted (in dollars per share)	$ 3.88	$ 5.66	$ 4.77
Weighted average shares outstanding:
Basic (in shares)	106,098	97,762	97,403
Diluted (in shares)	106,376	98,227	97,974
Net income	$ 413,041	$ 555,713	$ 467,363
Other comprehensive income (loss):
Change in unrealized appreciation (depreciation) of investments, net of tax expense (benefit) of $16,836 in 2020, $17,497 in 2019 and $(5,686) in 2018	82,087	85,180	(25,741)
Total other comprehensive income (loss)	82,087	85,180	(25,741)
Comprehensive income	$ 495,128	$ 640,893	$ 441,622

XML

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Shares	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock
Stockholders equity, beginning of period at Dec. 31, 2017		$ 1,476	$ 1,127,137	$ (3,252)	$ 815,075	$ 0
Changes in Stockholders' Equity
Issuance of management incentive shares		6	(6)
Cancellation of treasury stock		(10)	(31,404)			31,414
Stock-based compensation expense			15,073
Other comprehensive income (loss)	$ (25,741)			(25,741)
Net income	467,363				467,363
Treasury stock acquired						(31,414)
Stockholders equity, end of period at Dec. 31, 2018	2,365,717	1,472	1,110,800	(28,993)	1,282,438	0
Changes in Stockholders' Equity
Issuance of management incentive shares		7	(7)
Cancellation of treasury stock		(3)	(9,002)			9,005
Dividends and dividend equivalents declared			276		(29,624)
Stock-based compensation expense			16,588
Other comprehensive income (loss)	85,180			85,180
Net income	555,713				555,713
Treasury stock acquired						(9,005)
Stockholders equity, end of period at Dec. 31, 2019	2,984,845	1,476	1,118,655	56,187	1,808,527	0
Changes in Stockholders' Equity
Issuance of common shares		207	439,755
Issuance of management incentive shares		5	(5)
Cancellation of treasury stock		(2)	(6,352)			6,354
Dividends and dividend equivalents declared			648		(70,058)
Stock-based compensation expense			18,462
Other comprehensive income (loss)	82,087			82,087
Net income	413,041				413,041
Treasury stock acquired						(6,354)
Stockholders equity, end of period at Dec. 31, 2020	$ 3,862,633	$ 1,686	$ 1,571,163	$ 138,274	$ 2,151,510	$ 0

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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Statement of Stockholders' Equity [Abstract]
Common stock, issuance cost	$ 18,888

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Activities
Net income	$ 413,041	$ 555,713	$ 467,363
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on the sale of investments, net	(2,697)	(3,229)	(1,318)
Equity in net loss (income) of other invested assets	215	199	(111)
Distribution of income from other invested assets	1,277	648	211
Depreciation and amortization	3,328	3,769	3,404
Stock-based compensation expense	18,462	16,588	15,073
Amortization of premium on investment securities	23,393	15,738	14,220
Deferred income tax provision	38,653	59,481	50,692
Change in:
Accrued investment income	(1,413)	(908)	(4,820)
Accounts receivable	(8,848)	(3,767)	(7,118)
Deferred policy acquisition costs	(1,300)	344	(695)
Prepaid federal income tax	(40,751)	(59,500)	49,772
Other assets	(16,840)	(2,921)	(5,060)
Reserve for losses and LAE	305,579	19,898	2,614
Unearned premium reserve	(28,451)	(16,580)	35,795
Other accrued liabilities	24,283	4,375	5,299
Net cash provided by operating activities	727,931	589,848	625,321
Investing Activities
Net change in short-term investments	(411,498)	(160,962)	158,294
Purchase of investments available for sale	(1,575,082)	(1,044,964)	(1,126,032)
Proceeds from maturity of investments available for sale	262,321	88,025	114,651
Proceeds from sales of investments available for sale	577,409	623,771	340,780
Purchase of other invested assets	(17,012)	(49,789)	(30,860)
Return of investment from other invested assets	11,891	2,252	316
Purchase of property and equipment	(2,446)	(3,409)	(4,054)
Net cash used in investing activities	(1,154,417)	(545,076)	(546,905)
Financing Activities
Issuance of common shares, net of costs	439,962	0	0
Credit facility borrowings	200,000	0	15,000
Credit facility repayments	(100,000)	0	(40,000)
Treasury stock acquired	(6,354)	(9,005)	(31,414)
Payment of issuance costs for credit facility	(6,232)	(15)	(580)
Dividends paid	(69,410)	(29,348)	0
Net cash provided by (used in) financing activities	457,966	(38,368)	(56,994)
Net increase in cash	31,480	6,404	21,422
Cash at beginning of year	71,350	64,946	43,524
Cash at end of year	102,830	71,350	64,946
Supplemental Disclosure of Cash Flow Information
Income tax payments	(38,705)	(41,505)	(29,275)
Interest payments	(8,263)	(9,863)	(9,451)
Noncash Transactions
Repayment of borrowings with term loan proceeds	(325,000)	0	(100,000)
Operating lease liabilities arising from obtaining right-of-use assets	$ 805	$ 1,334	$ 0

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Nature of Operations and Basis of Presentation

12 Months Ended

Dec. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Nature of Operations and Basis of Presentation

Nature of Operations and Basis of Presentation

Essent Group Ltd. (“Essent Group”) is a Bermuda-based holding company, which, through its wholly-owned subsidiaries, offers private mortgage insurance and reinsurance for mortgages secured by residential properties located in the United States. Mortgage insurance facilitates the sale of low down payment (generally less than 20%) mortgage loans into the secondary mortgage market, primarily to two government-sponsored enterprises ("GSEs"), Fannie Mae and Freddie Mac.

The primary mortgage insurance operations are conducted through Essent Guaranty, Inc. ("Essent Guaranty"), which is domiciled in the state of Pennsylvania. Essent Guaranty is headquartered in Radnor, Pennsylvania and maintains operations centers in Winston-Salem, North Carolina and Irvine, California. Essent Guaranty is approved as a qualified mortgage insurer by the GSEs and is licensed to write mortgage insurance in all 50 states and the District of Columbia.

Essent Guaranty reinsures 25% of new insurance written to Essent Reinsurance Ltd. (“Essent Re”), an affiliated Bermuda domiciled Class 3A Insurer licensed pursuant to Section 4 of the Bermuda Insurance Act 1978 that provides insurance and reinsurance coverage of mortgage credit risk. Essent Re also provides insurance and reinsurance to Freddie Mac and Fannie Mae. In 2016, Essent Re formed Essent Agency (Bermuda) Ltd., a wholly-owned subsidiary, which provides underwriting consulting services to third-party reinsurers. In accordance with certain state law requirements, Essent Guaranty also reinsures that portion of the risk that is in excess of 25% of the mortgage balance with respect to any loan insured prior to April 1, 2019, after consideration of other reinsurance, to Essent Guaranty of PA, Inc. (“Essent PA”), an affiliate domiciled in the state of Pennsylvania.

In addition to offering mortgage insurance, we provide contract underwriting services on a limited basis through CUW Solutions, LLC ("CUW Solutions"), a Delaware limited liability company, that provides, among other things, mortgage contract underwriting services to lenders and mortgage insurance underwriting services to affiliates. CUW Solutions is headquartered in Radnor, Pennsylvania and it maintains operations centers in Winston-Salem, North Carolina and Irvine, California that are subleased from Essent Guaranty.

The Company operates as a single segment for reporting purposes as substantially all business operations, assets and liabilities relate to the private mortgage insurance business and management reviews operating results for the Company as a whole to make operating decisions and assess performance.

The consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") and include the accounts of Essent Group and its consolidated subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

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Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.

Investments

Our fixed maturity and short-term investments are classified as available for sale as we may sell securities from time to time to provide liquidity and in response to changes in the market. Debt securities classified as available for sale are reported at fair value with unrealized gains and losses on these securities reported in other comprehensive income, net of deferred income taxes. See Note 15 for a description of the valuation methods for investments available for sale.

We monitor our fixed maturities for unrealized losses that appear to be other-than-temporary. A fixed maturity security is considered to be other-than-temporarily impaired when the security's fair value is less than its amortized cost basis and 1) we intend to sell the security, 2) it is more likely than not that we will be required to sell the security before recovery of the security's amortized cost basis, or 3) we believe we will be unable to recover the entire amortized cost basis of the security (i.e., a credit loss has occurred). When we determine that a credit loss has been incurred, but we do not intend to sell the security and it is not more likely than not that we will be required to sell the security before recovery of the security's amortized cost basis, the portion of the other-than-temporary impairment that is credit related is recorded as a realized loss in the consolidated statements of comprehensive income, and the portion of the other-than-temporary impairment that is not credit related is included in other comprehensive income. For those fixed maturities for which an other-than-temporary impairment has occurred, we adjust the amortized cost basis of the security and record a realized loss in the consolidated statements of comprehensive income.

We recognize purchase premiums and discounts in interest income using the interest method over the securities' estimated holding periods, until maturity, or call date, if applicable. Gains and losses on the sales of securities are recorded on the trade date and are determined using the specific identification method.

Short-term investments are defined as short-term, highly liquid investments, both readily convertible to cash and having maturities at acquisition of twelve months or less.

Other invested assets are comprised of limited partnership interests which are accounted for under the equity method of accounting with changes in value reported in other income. In applying the equity method, these investments are initially recorded at cost and are subsequently adjusted based on the Company’s proportionate share of the net income or loss of the partnership. We have elected to classify distributions received from these investments using the cumulative earnings approach. Due to the timing of receiving financial information from these partnerships, the results are generally reported on a one month or quarter lag.

Long-Lived Assets

Property and equipment are stated at cost less accumulated depreciation and amortization. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets. Repairs and maintenance are charged to expense as incurred. Estimated useful lives are 5 years for furniture and fixtures and 2 to 3 years for equipment, computer hardware and purchased software. Certain costs associated with the acquisition or development of internal-use software are capitalized. Once the software is ready for its intended use, these costs are amortized on a straight-line basis over the software's expected useful life, which is generally 3 years. We amortize leasehold improvements over the shorter of the lives of the leases or estimated service lives of the leasehold improvements. The balances by type were as follows at December 31:

	2020				2019
(In thousands)	Cost		Accumulated Depreciation/ Amortization		Cost		Accumulated Depreciation/ Amortization
Furniture and fixtures	$	2,220	$	(2,068)	$	2,148	$	(2,017)
Office equipment	848		(772)		848		(700)
Computer hardware	10,282		(8,987)		9,764		(7,728)
Purchased software	38,434		(37,404)		37,909		(36,716)
Costs of internal-use software	10,783		(8,959)		9,595		(8,185)
Leasehold improvements	4,787		(2,777)		4,644		(2,293)
Total	$	67,354	$	(60,967)	$	64,908	$	(57,639)

Deferred Policy Acquisition Costs

We defer certain personnel costs and premium tax expense directly related to the successful acquisition of new insurance policies and amortize these costs over the period the related estimated gross profits are recognized in order to match costs and revenues. We do not defer any underwriting costs associated with our contract underwriting services. Costs related to the acquisition of mortgage insurance business are initially deferred and reported as deferred policy acquisition costs. Consistent with industry accounting practice, amortization of these costs for each underwriting year book of business is recognized in

proportion to estimated gross profits. Estimated gross profits are composed of earned premium, interest income, losses and loss adjustment expenses. The deferred costs are adjusted as appropriate for policy cancellations to be consistent with our revenue recognition policy. We estimate the rate of amortization to reflect actual experience and any changes to persistency or loss development. Deferred policy acquisition costs are reviewed periodically to determine that they do not exceed recoverable amounts, after considering investment income. Policy acquisition costs deferred were $10.1 million, $7.8 million and $7.4 million for the years ended December 31, 2020, 2019 and 2018, respectively. Amortization of deferred policy acquisition costs totaled $8.8 million, $8.1 million and $6.7 million for the years ended December 31, 2020, 2019 and 2018, respectively, and was included in other underwriting and operating expenses on the consolidated statements of comprehensive income.

Insurance Premium Revenue Recognition

Mortgage guaranty insurance policies are contracts that are generally non-cancelable by the insurer, are renewable at a fixed price, and provide for payment of premium on a monthly, annual or single basis. Upon renewal, we are not able to re-underwrite or re-price our policies. Consistent with industry accounting practices, premiums written on a monthly basis are earned as coverage is provided. Monthly policies accounted for 84% of earned premium in 2020. Premiums written on an annual basis are amortized on a pro rata basis over the year of coverage. Primary mortgage insurance written on policies covering more than one year are referred to as single premium policies. A portion of the revenue from single premium policies is recognized in earned premium in the current period, and the remaining portion is deferred as unearned premium and earned over the expected life of the policy. If single premium policies related to insured loans are cancelled due to repayment by the borrower, and the premium is non-refundable, then the remaining unearned premium related to each cancelled policy is recognized as earned premium upon notification of the cancellation. The Company recorded $88.9 million and $42.5 million of earned premium related to policy cancellations for the years ended December 31, 2020 and 2019, respectively. Unearned premium represents the portion of premium written that is applicable to the estimated unexpired risk of insured loans. Rates used to determine the earning of single premium policies are estimates based on an analysis of the expiration of risk.

Reserve for Losses and Loss Adjustment Expenses

We establish reserves for losses based on our best estimate of ultimate claim costs for defaulted loans using the general principles contained in ASC No. 944, in accordance with industry practice. However, consistent with industry standards for mortgage insurers, we do not establish loss reserves for future claims on insured loans which are not currently in default. Loans are classified as in default when the borrower has missed two consecutive payments. Once we are notified that a borrower has defaulted, we will consider internal and third-party information and models, including the status of the loan as reported by its servicer and the type of loan product to determine the likelihood that a default will reach claim status. In addition, we will project the amount that we will pay if a default becomes a claim (referred to as "claim severity"). Based on this information, at each reporting date we determine our best estimate of loss reserves at a given point in time. Included in loss reserves are reserves for incurred but not reported ("IBNR") claims. IBNR reserves represent our estimated unpaid losses on loans that are in default, but have not yet been reported to us as delinquent by our customers. We will also establish reserves for associated loss adjustment expenses, consisting of the estimated cost of the claims administration process, including legal and other fees and expenses associated with administering the claims process. Establishing reserves is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available. Our estimates of claim rates and claim sizes will be strongly influenced by prevailing economic conditions, such as the overall state of the economy, current rates or trends in unemployment, changes in housing values and/or interest rates, and our best judgments as to the future values or trends of these macroeconomic factors. Losses incurred are also generally affected by the characteristics of our insured loans, such as the loan amount, loan-to-value ratio, the percentage of coverage on the insured loan and the credit quality of the borrower.

Premium Deficiency Reserve

We are required to establish a premium deficiency reserve if the net present value of the expected future losses and expenses for a particular group of policies exceeds the net present value of expected future premium, anticipated investment income and existing reserves for that specified group of policies. We reassess our expectations for premium, losses and expenses of our mortgage insurance business periodically and update our premium deficiency analysis accordingly. As of December 31, 2020 and 2019, we concluded that no premium deficiency reserve was required to be recorded in the accompanying consolidated financial statements.

Derivative Instruments

Derivative instruments, including embedded derivative instruments, are recognized at fair value in the consolidated balance sheets. The amount of monthly reinsurance premiums ceded under our reinsurance contracts will fluctuate due to changes in one-month LIBOR and changes in money market rates. As the reinsurance premium will vary based on changes in these rates, we concluded that these reinsurance agreements contain embedded derivatives that are accounted for separately like freestanding derivatives.

Stock-Based Compensation

We measure the cost of employee services received in exchange for awards of equity instruments at the grant date of the award using a fair value based method. Prior to our initial public offering, we estimated the fair value of each nonvested share grant on the date of grant based on management's best estimate using methods further described in Note 10 of our consolidated financial statements. Subsequent to our initial public offering, fair value is determined on the date of grant based on quoted market prices. We recognize compensation expense on nonvested shares over the vesting period of the award. Excess tax benefits and tax deficiencies associated with share-based payments are recognized as income tax expense or benefit in the income statement and treated as discrete items in the reporting period.

Income Taxes

Deferred income tax assets and liabilities are determined using the asset and liability (balance sheet) method. Under this method, we determine the net deferred tax asset or liability based on the tax effects of the temporary differences between the book and tax bases of the various assets and liabilities and give current recognition to changes in tax rates and laws. Changes in tax laws, rates, regulations and policies, or the final determination of tax audits or examinations, could materially affect our tax estimates. We evaluate the realizability of the deferred tax asset and recognize a valuation allowance if, based on the weight of all available positive and negative evidence, it is more likely than not that some portion or all of the deferred tax asset will not be realized. When evaluating the realizability of the deferred tax asset, we consider estimates of expected future taxable income, existing and projected book/tax differences, carryback and carryforward periods, tax planning strategies available, and the general and industry specific economic outlook. This realizability analysis is inherently subjective, as it requires management to forecast changes in the mortgage market, as well as the related impact on mortgage insurance, and the competitive and general economic environment in future periods. Changes in the estimate of deferred tax asset realizability, if applicable, are included in income tax expense on the consolidated statements of comprehensive income.

ASC No. 740 provides a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In accordance with ASC No. 740, before a tax benefit can be recognized, a tax position is evaluated using a threshold that it is more likely than not that the tax position will be sustained upon examination. When evaluating the more-likely-than-not recognition threshold, ASC No. 740 provides that a company should presume the tax position will be examined by the appropriate taxing authority that has full knowledge of all relevant information. If the tax position meets the more-likely-than-not recognition threshold, it is initially and subsequently measured as the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement.

As described in Note 12, we purchase non-interest-bearing United States Mortgage Guaranty Tax and Loss Bonds ("T&L Bonds") issued by the Treasury Department. These assets are carried at cost and are reported as prepaid federal income tax on the consolidated balance sheets.

It is our policy to classify interest and penalties as income tax expense and to use the aggregate portfolio approach to release income tax effects from accumulated other comprehensive income.

Earnings per Share

Basic earnings per common share amounts are calculated based on income available to common stockholders and the weighted average number of common shares outstanding during the reporting period. Diluted earnings per common share amounts are calculated based on income available to common stockholders and the weighted average number of common and potential common shares outstanding during the reporting period. Potential common shares, composed of the incremental common shares issuable upon vesting of unvested common shares and common share units, are included in the earnings per share calculation to the extent that they are dilutive.

Recently Issued Accounting Standards

Accounting Standards Adopted During 2020

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments (Topic 326). This update is intended to provide financial statement users with more information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. The amendments in this ASU replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The new guidance requires financial assets measured at amortized cost to be presented at the net amount expected to be collected through the use of an allowance for credit losses. Credit losses relating to available-for-sale debt securities will also be recorded through an allowance rather than as a write-down of the amortized cost of the securities. The accounting for insurance losses and loss adjustment expenses ("LAE") are not within the scope of this ASU. The provisions of this update were effective for annual and interim periods beginning after December 15, 2019 and we adopted this standard on January 1, 2020 using the modified retrospective approach. The adoption of this ASU did not have a material effect on the Company's consolidated operating results or financial position.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement. The amendments in this update modify the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. The provisions of this update were effective for interim and annual periods beginning after December 15, 2019, with early adoption permitted for the removed disclosures. We adopted this standard on January 1, 2020. The adoption of this ASU did not have a material impact on our condensed consolidated financial statements.

Accounting Standards Not Yet Adopted

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in this update provide temporary optional guidance to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform. It provides optional expedients and exceptions for applying generally accepted accounting principles to contract, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. This standard may be elected and applied prospectively over time from March 12, 2020 through December 31, 2022 as reference rate reform activities occur. The adoption of, and future elections under, this ASU are not expected to have a material impact on our consolidated financial statements as the ASU will ease, if warranted, the requirements for accounting for the future effects of the rate reform. We continue to monitor the impact the discontinuance of LIBOR or another reference rate will have on our contracts and other transactions.

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Investments

12 Months Ended

Dec. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Investments

Investments

Investments available for sale consist of the following:

December 31, 2020 (In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities	$	259,378	$	9,088	$	(22)	$	268,444
U.S. agency securities	17,930		155		—		18,085
U.S. agency mortgage-backed securities	963,670		33,205		(970)		995,905
Municipal debt securities (1)	513,870		37,662		(15)		551,517
Non-U.S. government securities	56,045		5,562		—		61,607
Corporate debt securities (2)	1,070,027		56,864		(379)		1,126,512
Residential and commercial mortgage securities	391,921		18,641		(1,280)		409,282
Asset-backed securities	452,527		3,246		(1,056)		454,717
Money market funds	679,322		—		(18)		679,304
Total investments available for sale	$	4,404,690	$	164,423	$	(3,740)	$	4,565,373

December 31, 2019 (In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities	$	239,087	$	3,526	$	(407)	$	242,206
U.S. agency securities	33,620		36		(51)		33,605
U.S. agency mortgage-backed securities	836,710		13,956		(2,332)		848,334
Municipal debt securities (1)	339,511		22,245		(118)		361,638
Non-U.S. government securities	52,230		2,812		(47)		54,995
Corporate debt securities (2)	856,638		24,255		(592)		880,301
Residential and commercial mortgage securities	282,840		6,542		(1,101)		288,281
Asset-backed securities	326,589		857		(1,421)		326,025
Money market funds	315,360		2		—		315,362
Total investments available for sale	$	3,282,585	$	74,231	$	(6,069)	$	3,350,747

_______________________________________________________________________________

	December 31,		December 31,
(1) The following table summarizes municipal debt securities as of :	2020		2019
Special revenue bonds	76.8	%	74.5	%
General obligation bonds	20.3		21.3
Certificate of participation bonds	2.3		3.4
Tax allocation bonds	0.6		0.8
Total	100.0	%	100.0	%

	December 31,		December 31,
(2) The following table summarizes corporate debt securities as of :	2020		2019
Financial	34.9	%	34.4	%
Consumer, non-cyclical	19.1		20.1
Communications	9.3		10.3
Energy	8.2		8.3
Consumer, cyclical	8.0		7.6
Technology	6.1		4.8
Utilities	5.9		6.2
Industrial	5.3		4.2
Basic materials	3.1		4.1
Government	0.1		—
Total	100.0	%	100.0	%

The amortized cost and fair value of investments available for sale at December 31, 2020, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most U.S. agency mortgage-backed securities, residential and commercial mortgage securities and asset-backed securities provide for periodic payments throughout their lives, they are listed below in separate categories.

(In thousands)	Amortized Cost		Fair Value
U.S. Treasury securities:
Due in 1 year	$	78,956	$	79,335
Due after 1 but within 5 years	130,312		134,802
Due after 5 but within 10 years	49,125		53,165
Due after 10 years	985		1,142
Subtotal	259,378		268,444
U.S. agency securities:
Due in 1 year	8,906		8,958
Due after 1 but within 5 years	9,024		9,127
Subtotal	17,930		18,085
Municipal debt securities:
Due in 1 year	6,881		6,892
Due after 1 but within 5 years	91,122		95,567
Due after 5 but within 10 years	235,030		254,387
Due after 10 years	180,837		194,671
Subtotal	513,870		551,517
Non-U.S. government securities:
Due in 1 year	—		—
Due after 1 but within 5 years	22,710		24,257
Due after 5 but within 10 years	24,246		27,680
Due after 10 years	9,089		9,670
Subtotal	56,045		61,607
Corporate debt securities:
Due in 1 year	148,292		149,617
Due after 1 but within 5 years	576,987		602,286
Due after 5 but within 10 years	322,649		350,632
Due after 10 years	22,099		23,977
Subtotal	1,070,027		1,126,512
U.S. agency mortgage-backed securities	963,670		995,905
Residential and commercial mortgage securities	391,921		409,282
Asset-backed securities	452,527		454,717
Money market funds	679,322		679,304
Total investments available for sale	$	4,404,690	$	4,565,373

Gross gains and losses realized on the sale of investments available for sale were as follows:

	Year Ended December 31,
(In thousands)	2020		2019		2018
Realized gross gains	$	5,608	$	5,238	$	2,201
Realized gross losses	2,482		1,746		883

The fair value of investments available for sale in an unrealized loss position and the related unrealized losses for which no allowance for credit loss has been recorded were as follows:

	Less than 12 months				12 months or more				Total
December 31, 2020 (In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Treasury securities	$	28,776	$	(22)	$	—	$	—	$	28,776	$	(22)
U.S. agency mortgage-backed securities	152,671		(924)		3,007		(46)		155,678		(970)
Municipal debt securities	3,838		(15)		—		—		3,838		(15)
Corporate debt securities	141,803		(379)		—		—		141,803		(379)
Residential and commercial mortgage securities	63,203		(777)		9,516		(503)		72,719		(1,280)
Asset-backed securities	124,165		(483)		65,897		(573)		190,062		(1,056)
Money market funds	99,995		(18)		—		—		99,995		(18)
Total	$	614,451	$	(2,618)	$	78,420	$	(1,122)	$	692,871	$	(3,740)

	Less than 12 months				12 months or more				Total
December 31, 2019 (In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Treasury securities	$	29,013	$	(331)	$	42,981	$	(76)	$	71,994	$	(407)
U.S. agency securities	—		—		25,605		(51)		25,605		(51)
U.S. agency mortgage-backed securities	101,684		(1,042)		113,866		(1,290)		215,550		(2,332)
Municipal debt securities	10,651		(112)		624		(6)		11,275		(118)
Non-U.S. government securities	9,664		(47)		—		—		9,664		(47)
Corporate debt securities	83,013		(576)		14,531		(16)		97,544		(592)
Residential and commercial mortgage securities	59,341		(1,059)		3,442		(42)		62,783		(1,101)
Asset-backed securities	78,813		(202)		109,536		(1,219)		188,349		(1,421)
Total	$	372,179	$	(3,369)	$	310,585	$	(2,700)	$	682,764	$	(6,069)

At December 31, 2020 and 2019, we held 363 and 365 individual investment securities, respectively, that were in an unrealized loss position. We assess our intent to sell these securities and whether we will be required to sell these securities before the recovery of their amortized cost basis when determining whether to record an impairment on the securities in an unrealized loss position. In assessing whether the decline in the fair value at December 31, 2020 of any of these securities resulted from a credit loss or other factors, we made inquiries of our investment managers to determine that each issuer was current on its scheduled interest and principal payments. We reviewed the credit rating of these securities noting that over 98% of the securities at December 31, 2020 had investment-grade ratings. We concluded that gross unrealized losses noted above are principally associated with the changes in credit spreads subsequent to purchase rather than due to credit impairment. We recorded impairments of $0.4 million in the year ended December 31, 2020 and other-than-temporary impairments of $0.3 million in the year ended December 31, 2019 on securities in an unrealized loss position. The impairments resulted from our intent to sell these securities subsequent to the reporting dates. There were no other-than-temporary impairments in the year ended December 31, 2018.

The Company's other invested assets at December 31, 2020 and December 31, 2019 totaled $88.9 million and $78.9 million, respectively. Other invested assets are comprised of limited partnership interests which are accounted for under the equity method of accounting with changes in value reported in other income. Due to the timing of receiving financial information from these partnerships, the results are generally reported on a one month or quarter lag.

The fair value of investments deposited with insurance regulatory authorities to meet statutory requirements was $9.7 million at December 31, 2020 and $9.4 million at December 31, 2019. In connection with its insurance and reinsurance activities, Essent Re is required to maintain assets in trusts for the benefit of its contractual counterparties. The fair value of the investments on deposit in these trusts was $1.1 billion at December 31, 2020 and $805.5 million at December 31, 2019. Essent Guaranty is required to maintain assets on deposit in connection with its fully collateralized reinsurance agreements (see Note

5). The fair value of the assets on deposit was $8.5 million at December 31, 2020 and $6.4 million at December 31, 2019. Essent Guaranty is also required to maintain assets on deposit for the benefit of the sponsor of a fixed income investment commitment. The fair value of the assets on deposit was $12.0 million at December 31, 2020 and $6.4 million at December 31, 2019.

Net investment income consists of:

	Year Ended December 31,
(In thousands)	2020		2019		2018
Fixed maturities	$	83,313	$	82,194	$	63,053
Short-term investments	1,669		5,049		3,873
Gross investment income	84,982		87,243		66,926
Investment expenses	(4,895)		(3,701)		(2,835)
Net investment income	$	80,087	$	83,542	$	64,091

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Accounts Receivable

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

Accounts receivable consists of the following at December 31:

(In thousands)	2020		2019
Premiums receivable	$	46,974	$	39,084
Other receivables	3,166		1,571
Total accounts receivable	50,140		40,655
Less: Allowance for doubtful accounts	—		—
Accounts receivable, net	$	50,140	$	40,655

Premiums receivable consists of premiums due on our mortgage insurance policies. If mortgage insurance premiums are unpaid for more than 90 days, the receivable is written off against earned premium and the related insurance policy is cancelled. For all periods presented, no provision or allowance for doubtful accounts was required.

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Reinsurance

12 Months Ended

Dec. 31, 2020

Reinsurance Disclosures [Abstract]

Reinsurance

Reinsurance

In the ordinary course of business, our insurance subsidiaries may use reinsurance to provide protection against adverse loss experience and to expand our capital sources. Reinsurance recoverables are recorded as assets and included in other assets on our consolidated balance sheets, predicated on a reinsurer's ability to meet their obligations under the reinsurance agreements. If the reinsurers are unable to satisfy their obligations under the agreements, our insurance subsidiaries would be liable for such defaulted amounts.

The effect of reinsurance on net premiums written and earned is as follows: 

	Year Ended December 31,
(In thousands)	2020		2019		2018
Net premiums written:
Direct	$	922,851	$	796,344	$	696,055
Ceded (1)	(88,738)		(35,499)		(10,768)
Net premiums written	$	834,113	$	760,845	$	685,287
Net premiums earned:
Direct	$	951,302	$	812,924	$	660,260
Ceded (1)	(88,738)		(35,499)		(10,768)
Net premiums earned	$	862,564	$	777,425	$	649,492

_______________________________________________________________________________

(1)Net of profit commission.

Quota Share Reinsurance

Effective September 1, 2019, Essent Guaranty entered into a quota share reinsurance agreement with a panel of third-party reinsurers (the "QSR Agreement"). Each of the third-party reinsurers has an insurer financial strength rating of A or better by S&P Global Ratings, A.M. Best or both. Under the QSR Agreement, Essent Guaranty will cede premiums earned related to 40% of risk on eligible single premium policies and 20% of risk on all other eligible policies written September 1, 2019 through December 31, 2020, in exchange for reimbursement of ceded claims and claims expenses on covered policies, a 20% ceding commission, and a profit commission of up to 60% that varies directly and inversely with ceded claims. The QSR Agreement is scheduled to terminate on December 31, 2030. Essent Guaranty has certain termination rights under the QSR Agreement, including the option to terminate the QSR Agreement with no termination fee on December 31, 2021, and the option, subject to a termination fee, to terminate the QSR Agreement on December 31, 2022, or annually thereafter. Should Essent Guaranty not exercise its option to terminate the QSR Agreement on December 31, 2021, the maximum profit commission that Essent Guaranty could earn would increase to 63% in 2022 and thereafter. RIF ceded under the QSR Agreement was $6.3 billion as of December 31, 2020.

Excess of Loss Reinsurance

Essent Guaranty has entered into fully collateralized reinsurance agreements ("Radnor Re Transactions") with unaffiliated special purpose insurers domiciled in Bermuda. For the reinsurance coverage periods, Essent Guaranty and its affiliates retain the first layer of the respective aggregate losses, and a Radnor Re special purpose insurer will then provide second layer coverage up to the outstanding reinsurance coverage amount. Essent Guaranty and its affiliates retain losses in excess of the outstanding reinsurance coverage amount. The reinsurance premium due to each Radnor Re special purpose insurer is calculated by multiplying the outstanding reinsurance coverage amount at the beginning of a period by a coupon rate, which is the sum of one-month LIBOR plus a risk margin, and then subtracting actual investment income collected on the assets in the related reinsurance trust during that period. The aggregate excess of loss reinsurance coverage decreases over a ten-year period as the underlying covered mortgages amortize. Essent Guaranty has rights to terminate the Radnor Re Transactions. The Radnor Re entities collateralized the coverage by issuing mortgage insurance-linked notes ("ILNs") in an aggregate amount equal to the initial coverage to unaffiliated investors. The notes have ten-year legal maturities and are non-recourse to any assets of Essent Guaranty or its affiliates. The proceeds of the notes were deposited into reinsurance trusts for the benefit of Essent Guaranty and will be the source of reinsurance claim payments to Essent Guaranty and principal repayments on the ILNs.

Essent Guaranty has also entered into reinsurance agreements with panels of reinsurers that provide aggregate excess of loss coverage immediately above or pari-passu to the coverage provided by the Radnor Re Transactions. The aggregate excess of loss reinsurance coverage decreases over a ten-year period as the underlying covered mortgages amortize. Essent Guaranty has rights to terminate these reinsurance agreements.

The following tables summarizes Essent Guaranty's excess of loss reinsurance agreements as of December 31, 2020:

Vintage Year	Reinsurer	Effective Date	Optional Termination Date
2015 & 2016	Radnor Re 2019-2 Ltd.	June 20, 2019	June 25, 2024
2017	Radnor Re 2018-1 Ltd.	March 22, 2018	March 25, 2023	(1)
2017	Panel of Reinsurers	November 1, 2018	October 1, 2023	(2)
2018	Radnor Re 2019-1 Ltd.	February 28, 2019	February 25, 2026
2018	Panel of Reinsurers	February 28, 2019	February 25, 2026
2019	Radnor Re 2020-1 Ltd.	January 30, 2020	January 25, 2027
2019	Panel of Reinsurers	January 30, 2020	January 25, 2027
2019 & 2020	Radnor Re 2020-2 Ltd.	October 8, 2020	October 25, 2027

_______________________________________________________________________________

(1)If the reinsurance agreement is not terminated at the optional termination date, the risk margin component of the reinsurance premium increases by 50%.

(2)If the reinsurance agreement is not terminated at the optional termination date, the reinsurance premium increases by 50%.

The following table summarizes Essent Guaranty's excess of loss reinsurance coverages and retentions as of December 31, 2020:

(In thousands)					Remaining Reinsurance in Force
Vintage Year	Remaining Insurance in Force		Remaining Risk in Force		ILN		Other Reinsurance			Total		Remaining First Layer Retention
2015 & 2016	$	16,329,165	$	4,411,094	$	216,480	$	—		$	216,480	$	207,787
2017	15,856,384		4,052,481		242,123		165,167		(5)	407,290		218,838
2018	18,295,450		4,646,734		325,537		76,144		(6)	401,681		251,262
2019 (3)	22,137,416		5,643,954		495,889		55,102		(7)	550,991		215,509
2019 & 2020 (4)	48,570,459		12,141,563		399,159		—			399,159		465,690
Total	$	121,188,874	$	30,895,826	$	1,679,188	$	296,413		$	1,975,601	$	1,359,086

_______________________________________________________________________________

(3)Reinsurance coverage on new insurance written from January 1, 2019 through August 31, 2019.

(4)Reinsurance coverage on new insurance written from September 1, 2019 through July 31, 2020.

(5)Coverage provided immediately above the coverage provided by Radnor Re 2018-1 Ltd.

(6)Coverage provided pari-passu to the coverage provided by Radnor Re 2019-1 Ltd.

(7)Coverage provided pari-passu to the coverage provided by Radnor Re 2020-1 Ltd.

Based on the level of delinquencies reported to us, the ILN transactions entered into prior to March 31, 2020 became subject to a "trigger event" as of June 25, 2020. The amortization of principal of the notes issued by the unaffiliated special purpose insurers in connection with those ILN transactions is suspended and the aggregate excess of loss reinsurance coverage will not amortize during the continuation of a trigger event.

The amount of monthly reinsurance premiums ceded to the Radnor Re entities will fluctuate due to changes in one-month LIBOR and changes in money market rates that affect investment income collected on the assets in the reinsurance trusts. As the reinsurance premium will vary based on changes in these rates, we concluded that the Radnor Re Transactions contain embedded derivatives that will be accounted for separately like freestanding derivatives.

In connection with the Radnor Re Transactions, we concluded that the risk transfer requirements for reinsurance accounting were met as each Radnor Re entity is assuming significant insurance risk and a reasonable possibility of a significant loss. In addition, we assessed whether each Radnor Re entity was a variable interest entity ("VIE") and the appropriate accounting for the Radnor Re entities if they were VIEs. A VIE is a legal entity that does not have sufficient equity at risk to finance its activities without additional subordinated financial support or is structured such that equity investors lack the ability to make significant decisions relating to the entity’s operations through voting rights or do not substantively

participate in the gains and losses of the entity. A VIE is consolidated by its primary beneficiary. The primary beneficiary is the entity that has both (1) the power to direct the activities of the VIE that most significantly affect the entity’s economic performance and (2) the obligation to absorb losses or the right to receive benefits that could be potentially significant to the VIE. While also considering these factors, the consolidation conclusion depends on the breadth of the decision-making ability and ability to influence activities that significantly affect the economic performance of the VIE. We concluded that the Radnor Re entities are VIEs. However, given that Essent Guaranty (1) does not have the unilateral power to direct the activities that most significantly affect their economic performance and (2) does not have the obligation to absorb losses or the right to receive benefits that could be potentially significant to these entities, the Radnor Re entities are not consolidated in these financial statements.

The following table presents total assets of each Radnor Re special purpose insurer as well as our maximum exposure to loss associated with each Radnor Re entity, representing the fair value of the embedded derivatives, using observable inputs in active markets (Level 2), included in other assets (other accrued liabilities) on our consolidated balance sheet and the estimated net present value of investment earnings on the assets in the reinsurance trusts, each as of December 31, 2020:

			Maximum Exposure to Loss
(In thousands)	Total VIE Assets		On - Balance Sheet		Off - Balance Sheet		Total
Radnor Re 2018-1 Ltd.	$	242,123	$	462	$	32	$	494
Radnor Re 2019-1 Ltd.	325,537		(2,071)		56		(2,015)
Radnor Re 2019-2 Ltd.	216,480		(1,509)		26		(1,483)
Radnor Re 2020-1 Ltd.	495,889		(1,046)		123		(923)
Radnor Re 2020-2 Ltd.	399,159		(181)		109		(72)
Total	$	1,679,188	$	(4,345)	$	346	$	(3,999)

The assets of Radnor Re are the source of reinsurance claim payments to Essent Guaranty and provide capital relief under the PMIERs financial strength requirements (see Note 16). A decline in the assets available to pay claims would reduce the capital relief available to Essent Guaranty.

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Reserve for Losses and Loss Adjustment Expenses

12 Months Ended

Dec. 31, 2020

Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]

Reserve for Losses and Loss Adjustment Expenses

Reserve for Losses and Loss Adjustment Expenses

The following table provides a reconciliation of the beginning and ending reserve balances for losses and loss adjustment expenses ("LAE") for the years ended December 31:

($ in thousands)	2020		2019		2018
Reserve for losses and LAE at beginning of year	$	69,362	$	49,464	$	46,850
Less: Reinsurance recoverables	71		—		—
Net reserve for losses and LAE at beginning of year	69,291		49,464		46,850
Add provision for losses and LAE, net of reinsurance, occurring in:
Current year	317,516		50,562		36,438
Prior years	(16,223)		(17,576)		(24,863)
Net incurred losses and LAE during the current year	301,293		32,986		11,575
Deduct payments for losses and LAE, net of reinsurance, occurring in:
Current year	1,018		1,288		1,310
Prior years	13,686		11,871		7,651
Net loss and LAE payments during the current year	14,704		13,159		8,961
Net reserve for losses and LAE at end of year	355,880		69,291		49,464
Plus: Reinsurance recoverables	19,061		71		—
Reserve for losses and LAE at end of year	$	374,941	$	69,362	$	49,464
Loans in default at end of year	31,469		5,947		4,024

For the year ended December 31, 2020, $13.7 million was paid for incurred claims and claim adjustment expenses attributable to insured events of prior years. There has been a $16.2 million favorable prior year development during the year ended December 31, 2020. Reserves remaining as of December 31, 2020 for prior years are $39.4 million as a result of re-estimation of unpaid losses and loss adjustment expenses. For the year ended December 31, 2019, $11.9 million was paid for incurred claims and claim adjustment expenses attributable to insured events of prior years. There was a $17.6 million favorable prior year development during the year ended December 31, 2019. Reserves remaining as of December 31, 2019 for prior years were $20.0 million as a result of re-estimation of unpaid losses and loss adjustment expenses. In both periods, the favorable prior years' loss development was the result of a re-estimation of amounts ultimately to be paid on prior year defaults in the default inventory, including the impact of previously identified defaults that cured. Original estimates are increased or decreased as additional information becomes known regarding individual claims.

Due to business restrictions, stay-at-home orders and travel restrictions initially implemented in March 2020 as a result of COVID-19, unemployment in the United States increased significantly in the second quarter of 2020 and remained elevated at December 31, 2020. As unemployment is one of the most common reasons for borrowers to default on their mortgage, the increase in unemployment has increased the number of delinquencies on the mortgages that we insure and has the potential to increase claim frequencies on defaults. As of December 31, 2020, insured loans in default totaled 31,469 and included 28,922 defaults classified as COVID-19 defaults. For borrowers that have the ability to begin to pay their mortgage at the end of the forbearance period, we expect that mortgage servicers will work with them to modify their loans at which time the mortgage will be removed from delinquency status. We believe that the forbearance process could have a favorable effect on the frequency of claims that we ultimately pay. Based on the forbearance programs in place and the credit characteristics of the COVID-19 defaulted loans, we expect the ultimate number of COVID-19-related defaults that result in claims will be less than our historical default-to-claim experience. Accordingly, we recorded a reserve equal to approximately 7% of the risk in force for the COVID-19 default notices received in April 2020 through September 2020. The credit characteristics of defaults reported in October 2020 through December 2020 have trended towards those of the pre-pandemic periods and we have observed the normalization of other default patterns during this period. In addition, we observed a normalization during the fourth quarter of 2020 of the proportion of unemployment claims related to permanent layoffs as compared to a higher proportion of temporary layoffs during the second and third quarters of 2020. We believe that while defaults in October 2020 through December 2020 were impacted by the pandemic’s effect on the economy, the underlying credit performance of these defaults may not be the same as the expected performance for default notices received in April 2020 through September 2020 that occurred following the onset of the pandemic and these defaults are more likely to transition like pre-pandemic defaults. Accordingly, although these defaults are classified as COVID-19 defaults, we established reserves for defaults reported in October 2020 through December 2020 using our normal reserve methodology. The reserve for losses and LAE on COVID-19 defaults was $316.3 million at December 31, 2020. It is reasonably possible that our estimate of the losses for the COVID-19 defaults could change in the near term as a result of the continued impact of the pandemic on the economic environment, the results of existing and future governmental programs designed to assist individuals and businesses impacted by the virus and the performance of the COVID-19 defaults in the forbearance programs. A 100 basis point increase or decrease in the reserve rate applied to COVID-19 default notices received in April 2020 through September 2020 would result in a corresponding increase or decrease in our reserve for loss and LAE of approximately $35 million as of December 31, 2020. The impact on our reserves in future periods will be dependent upon the amount of delinquent notices received from loan servicers, the performance of COVID-19 defaults and our expectations for the amount of ultimate losses on these delinquencies.

During the third quarter of 2017, certain regions of the U.S. experienced hurricanes which have impacted our insured portfolio’s performance. Loans in default identified as hurricane-related defaults totaled 2,288 as of December 31, 2017 and in the fourth quarter of 2017, we provided reserves of $11.1 million for losses and LAE on these hurricane-related defaults. In the year ended December 31, 2018, 2,150 of the 2,288 defaults previously identified as hurricane-related cured. In the fourth quarter of 2018, we reduced the reserves on hurricane-related defaults by $9.9 million based on the performance to date and our expectations of the amount of ultimate losses on the remaining delinquencies.

The following table summarizes incurred loss and allocated loss adjustment expense development, IBNR plus expected development on reported defaults and the cumulative number of reported defaults. The information about incurred loss development for the years ended December 31, 2011 to 2019 is presented as supplementary information.

	Incurred Loss and Allocated LAE, For the Years Ended December 31,																				As of December 31, 2020
($ in thousands)																					Total of IBNR plus Expected Development on Reported Defaults		Cumulative Number of Reported Defaults (1)
	Unaudited
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	57	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	1
2012			1,523		858		814		781		748		809		808		808		808		—		19
2013					2,986		2,461		2,008		1,997		2,060		2,058		2,058		2,058		—		51
2014							6,877		4,312		3,323		2,984		2,930		2,897		2,882		1		92
2015									14,956		9,625		8,893		8,439		8,461		8,323		18		214
2016											21,889		11,890		9,455		9,219		8,972		45		252
2017													38,178		16,261		12,202		11,488		85		365
2018															36,438		23,168		19,536		424		606
2019																	50,562		39,085		2,151		1,551
2020																			317,516		23,023		29,834
Total																			$	410,668
(1) Cumulative number of reported defaults includes cumulative paid claims plus loans in default by accident year as of December 31, 2020.

The following table summarizes cumulative paid losses and allocated loss adjustment expenses, net of reinsurance. The information about paid loss development for the years ended December 31, 2011 through 2019 is presented as supplementary information.

($ in thousands)	Cumulative Paid Losses and Allocated LAE For the Years Ended December 31,
	Unaudited
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
2012			24		535		659		665		665		808		808		808		808
2013					239		928		1,501		1,775		1,880		2,058		2,058		2,058
2014							138		1,587		2,463		2,787		2,897		2,882		2,867
2015									544		3,610		6,960		7,535		7,961		8,055
2016											927		4,896		6,947		7,864		8,270
2017													633		5,370		9,156		10,257
2018															1,310		8,067		13,406
2019																	1,288		8,049
2020																			1,018
Total																			$	54,788
All outstanding liabilities before 2011, net of reinsurance																			—
Reserve for losses and LAE, net of reinsurance																			$	355,880

The following table provides a reconciliation of the net incurred losses and paid claims development tables above to the reserve for losses and LAE at December 31, 2020:

($ in thousands)	December 31, 2020
Reserve for losses and LAE, net of reinsurance	$	355,880
Reinsurance recoverables on unpaid claims	19,061
Total gross reserve for losses and LAE	$	374,941

For our mortgage insurance portfolio, our average annual payout of losses as of December 31, 2020 is as follows:

Average Annual Percentage Payout of Incurred Losses and Allocated LAE by Year
Year	1		2		3		4		5		6		7		8		9
Average Payout	6	%	40	%	28	%	9	%	4	%	7	%	0	%	0	%	0	%

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Debt Obligations

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Debt Obligations

Debt Obligations

Credit Facility

On October 14, 2020, Essent Group and its subsidiaries, Essent Irish Intermediate Holdings Limited and Essent US Holdings, Inc. (collectively, the "Borrowers"), entered into a second amended and restated, three-year secured credit facility with a committed capacity of $625 million (the “Credit Facility”). The Credit Facility amends and restates the three-year, secured revolving credit facility entered into on May 2, 2018, and provides for an increase in the revolving credit facility from $275 million to $300 million. At closing, $325 million of new term loans were issued, with $225 million of the proceeds used to repay the existing term loans outstanding and remaining $100 million along with Essent Group cash were used to pay down all amounts outstanding under the revolving component of the Credit Facility. The Credit Facility also provides an option to increase the capacity to $775 million. Borrowings under the Credit Facility may be used for working capital and general corporate purposes, including, without limitation, capital contributions to Essent’s insurance and reinsurance subsidiaries. Borrowings accrue interest at a floating rate tied to a standard short-term borrowing index, selected at the Company’s option, plus an applicable margin. A commitment fee is due quarterly on the average daily amount of the undrawn revolving commitment. The applicable margin and the commitment fee are based on the senior unsecured debt rating or long-term issuer rating of Essent Group to the extent available, or the insurer financial strength rating of Essent Guaranty. The annual commitment fee rate at December 31, 2020 was 0.35%. The obligations under the Credit Facility are secured by certain assets of the Borrowers, excluding the stock and assets of its insurance and reinsurance subsidiaries. The Credit Facility contains several covenants, including financial covenants relating to minimum net worth, capital and liquidity levels, maximum debt to capitalization level and Essent Guaranty's compliance with the PMIERs (see Note 16). The borrowings under the Credit Facility contractually mature on October 16, 2023. As of December 31, 2020, the Company was in compliance with the covenants and $325 million had been borrowed under the Credit Facility with a weighted average interest rate of 2.19%. As of December 31, 2019, $225 million had been borrowed with a weighted average interest rate of 3.51%.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Obligations under Guarantees

Under the terms of CUW Solutions' contract underwriting agreements with lenders and subject to contractual limitations on liability, we agree to indemnify certain lenders against losses incurred in the event that we make an error in determining whether loans processed meet specified underwriting criteria, to the extent that such error materially restricts or impairs the salability of such loan, results in a material reduction in the value of such loan or results in the lender repurchasing the loan. The indemnification may be in the form of monetary or other remedies. For each of the years ended December 31, 2020 and 2019, we paid less than $0.1 million related to remedies. As of December 31, 2020, management believes any potential claims for indemnification related to contract underwriting services through December 31, 2020 are not material to our consolidated financial position or results of operations.

In addition to the indemnifications discussed above, in the normal course of business, we enter into agreements or other relationships with third parties pursuant to which we may be obligated under specified circumstances to indemnify the counterparties with respect to certain matters. Our contractual indemnification obligations typically arise in the context of agreements entered into by us to, among other things, purchase or sell services, finance our business and business transactions, lease real property and license intellectual property. The agreements we enter into in the normal course of business generally require us to pay certain amounts to the other party associated with claims or losses if they result from our breach of the agreement, including the inaccuracy of representations or warranties. The agreements we enter into may also contain other indemnification provisions that obligate us to pay amounts upon the occurrence of certain events, such as the negligence or willful misconduct of our employees, infringement of third-party intellectual property rights or claims that performance of the agreement constitutes a violation of law. Generally, payment by us under an indemnification provision is conditioned upon the

other party making a claim, and typically we can challenge the other party's claims. Further, our indemnification obligations may be limited in time and/or amount, and in some instances, we may have recourse against third parties for certain payments made by us under an indemnification agreement or obligation. As of December 31, 2020, contingencies triggering material indemnification obligations or payments have not occurred historically and are not expected to occur. The nature of the indemnification provisions in the various types of agreements and relationships described above are believed to be low risk and pervasive, and we consider them to have a remote risk of loss or payment. We have not recorded any provisions on the consolidated balance sheets related to these indemnifications.

Commitments

We lease office space for use in our operations under leases accounted for as operating leases. These leases generally include options to extend them for periods of up to ten years. Our option to extend the term of our primary office locations at the greater of existing or prevailing market rates was not recognized in our right-of-use asset and lease liability. When establishing the value of our right-of-use asset and lease liability, we determine the discount rate for the underlying leases using the prevailing market interest rate for a borrowing of the same duration of the lease plus the risk premium inherent in the borrowings under our Credit Facility. Operating lease right-of-use assets of $8.7 million and $10.0 million as of December 31, 2020 and 2019, respectively, are reported on our consolidated balance sheet as property and equipment. Operating lease liabilities of $10.9 million and $12.6 million as of December 31, 2020 and 2019, respectively, are reported on our consolidated balance sheet as other accrued liabilities. Total rent expense was $2.4 million, $2.5 million and $2.1 million for the years ended December 31, 2020, 2019 and 2018, respectively.

The following table presents lease cost and other lease information as of and for the years ended December 31:

	Year Ended December 31,
($ in thousands)	2020			2019
Lease cost:
Operating lease cost	$	2,532		$	2,479
Short-term lease cost	19			101
Sublease income	(131)			(129)
Total lease cost	$	2,420		$	2,451
Other information:
Weighted average remaining lease term - operating leases	3.8 years			4.8 years
Weighted average discount rate - operating leases	3.9		%	4.0		%

The following table presents a maturity analysis of our lease liabilities as follows at December 31, 2020:

Year Ended December 31 (In thousands)
2021	$	3,261
2022	3,309
2023	3,017
2024	1,334
2025	793
2026 and thereafter	—
Total lease payments to be paid	11,714
Less: Future interest expense	(864)
Present value of lease liabilities	$	10,850

The maturity analysis of our lease liabilities shown above have not been reduced by minimum sublease rental income of $0.1 million due in 2021 under the non-cancelable sublease.

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Capital Stock

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Capital Stock

Capital Stock

Our authorized share capital consists of 233.3 million shares of a single class of common shares. The common shares have no pre-emptive rights or other rights to subscribe for additional shares, and no rights of redemption, conversion or exchange. Under certain circumstances and subject to the provisions of Bermuda law and our bye-laws, we may be required to make an offer to repurchase shares held by members. The common shares rank pari passu with one another in all respects as to rights of payment and distribution. In general, holders of common shares will have one vote for each common share held by them and will be entitled to vote, on a non-cumulative basis, at all meetings of shareholders. In the event that a shareholder is considered a 9.5% Shareholder under our bye-laws, such shareholder's votes will be reduced by whatever amount is necessary so that after any such reduction the votes of such shareholder will not result in any other person being treated as a 9.5% Shareholder with respect to the vote on such matter. Under these provisions certain shareholders may have their voting rights limited to less than one vote per share, while other shareholders may have voting rights in excess of one vote per share.

In June 2020, Essent Group completed the sale of 13.8 million common shares in a public offering at a price of $33.25 per share. The total net proceeds from this offering were approximately $440.0 million after deducting underwriting discounts, commissions and other offering expenses.

Dividends

During the third quarter of 2019, the Board of Directors declared Essent's inaugural quarterly cash dividend of $0.15 per common share which was paid in September 2019. In each subsequent quarter, we declared and paid quarterly cash dividends on our common shares. The following table presents the amounts declared and paid per common share each quarter:

Quarter Ended	2020		2019
March 31	$	0.16	$	—
June 30	0.16		—
September 30	0.16		0.15
December 31	0.16		0.15
Total dividends per common share declared and paid	$	0.64	$	0.30

In February 2021, the Board of Directors declared a quarterly cash dividend of $0.16 per common share payable on March 19, 2021, to shareholders of record on March 10, 2021.

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Stock-Based Compensation

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-Based Compensation

In 2013, Essent Group's Board of Directors adopted, and Essent Group's shareholders approved, the Essent Group Ltd. 2013 Long-Term Incentive Plan (the "2013 Plan"), which was effective upon completion of the initial public offering. The types of awards available under the 2013 Plan include nonvested shares, nonvested share units, non-qualified share options, incentive stock options, share appreciation rights, and other share-based or cash-based awards. Nonvested shares and nonvested share units granted under the 2013 Plan have rights to dividends, which entitle the holders to the same dividend value per share as holders of common shares in the form of dividend equivalent units ("DEUs"). DEUs are subject to the same vesting and other terms and conditions as the corresponding nonvested shares and nonvested share units. DEUs vest when the underlying shares or share units vest and are forfeited if the underlying share or share units forfeit prior to vesting. The maximum number of shares and share units available for issuance is 7.5 million under the 2013 Plan. As of December 31, 2020, there were 3.7 million common shares available for future grant under the 2013 Plan.

In September 2013, certain members of senior management were granted nonvested common shares under the 2013 Plan that were subject to time-based and performance-based vesting. The time-based share awards granted in September 2013 vested in four equal installments on January 1, 2015, 2016, 2017 and 2018. The performance-based share awards vested based upon our compounded annual book value per share growth percentage during a three-year performance period that commenced on January 1, 2014. The September 2013 performance-based share awards vested on the one-year anniversary of the completion of the performance period.

In May 2015, nonvested common shares were granted to an employee in connection with an employment agreement that were subject to time-based and performance-based vesting. The time-based share award vested in four equal installments on July 1, 2016, 2017, 2018 and 2019. The performance-based share award vested based upon our compounded annual book value per share growth percentage during a three-year performance period that commenced on January 1, 2015 and vested on July 1, 2019.

In February of each year, 2015 through 2020, certain members of senior management were granted nonvested common shares under the 2013 Plan that were subject to time-based and performance-based vesting. The time-based share awards vest in three equal yearly installments commencing on March 1 of the year following the grant year. The performance-based share awards vest based upon our compounded annual book value per share growth percentage during a three-year performance period that commences on January 1 of the grant year and vest on March 1 following the end of the performance period.

The portion of the nonvested performance-based share awards that will be earned based upon the achievement of compounded annual book value per share growth is as follows:

	2017 Performance-Based Grants				2016 Performance-Based Grants				2013, 2014 and 2015 Performance-Based Grants
Performance level	Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned
	<16	%	0	%	<13	%	0	%	<11	%	0	%
Threshold	16	%	25	%	13	%	25	%	11	%	10	%
	17	%	50	%	14	%	50	%	12	%	36	%
	18	%	75	%	15	%	75	%	13	%	61	%
									14	%	87	%
Maximum	≥19	%	100	%	≥16	%	100	%	≥15	%	100	%

	2020 Performance-Based Grants				2019 Performance-Based Grants				2018 Performance-Based Grants
Performance level	Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned
	<13	%	0	%	<14	%	0	%	<15	%	0	%
Threshold	13	%	10	%	14	%	10	%	15	%	25	%
	14	%	35	%	15	%	35	%	16	%	50	%
	15	%	60	%	16	%	60	%	17	%	75	%
	16	%	85	%	17	%	85	%
Maximum	≥17	%	100	%	≥18	%	100	%	≥18	%	100	%

In the event that the compounded annual book value per share growth falls between the performance levels shown above, the nonvested common shares earned will be determined on a straight-line basis between the respective levels shown. The compounded annual book value per share growth for each of the 2013, 2014, 2015, 2016 and 2017 performance-based grants exceeded the maximum performance level and have vested or will vest at 100%.

In January 2017, time-based share units were issued to all vice president and staff level employees that vested in three equal installments in January 2018, 2019 and 2020. In January 2020, time-based share units were issued to all vice president and staff level employees that vested in three equal installments in January 2021, 2022 and 2023. In connection with our incentive program covering bonus awards for performance years 2014 through 2019, in February following each performance year, time-based share awards and share units were issued to certain employees that vest in three equal yearly installments commencing on March 1 of the year following the grant year.

In May of each year, 2017 through 2020, time-based share units were granted to non-employee directors that vest one year from the date of grant.

The following tables summarize nonvested common share, nonvested common share unit and DEU activity for the year ended December 31:

	2020
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units			DEUs
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value		Dividend Equivalent Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	394	$	42.02	169	$	41.31	351	$	39.78	5	$	51.11
Granted	109	51.52		69	51.52		350	48.75		19	35.42
Vested	(140)	36.29		(85)	40.47		(192)	37.76		(3)	49.79
Forfeited	—	N/A		—	N/A		(17)	50.04		—	33.86
Outstanding at end of year	363	$	47.09	153	$	46.34	492	$	46.59	21	$	37.66

	2019
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units			DEUs
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value		Dividend Equivalent Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	482	$	29.49	207	$	32.82	449	$	34.35	—	N/A
Granted	141	45.32		90	40.98		143	42.08		5	$	51.09
Vested	(229)	17.69		(128)	27.37		(232)	30.85		—	48.63
Forfeited	—	N/A		—	N/A		(9)	35.53		—	49.27
Outstanding at end of year	394	$	42.02	169	$	41.31	351	$	39.78	5	$	51.11

	2018
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	1,595	$	17.03	410	$	21.12	536	$	29.13
Granted	113	45.02		73	45.02		161	42.19
Vested	(1,226)	14.71		(276)	18.67		(238)	28.02
Forfeited	—	N/A		—	N/A		(10)	31.59
Outstanding at end of year	482	$	29.49	207	$	32.82	449	$	34.35

Quoted market prices are used for the valuation of common shares granted subsequent to our initial public offering. For nonvested common shares granted in September 2013, prior to our IPO, the valuation estimate was based on analysis provided by the underwriters regarding the estimated fair value of Essent and the estimated IPO price range. Factors considered in determining the IPO price range and common share valuation included prevailing market conditions, estimates of the Company's business potential and earnings prospects, the Company's historical operating results, market valuations of companies deemed comparable to the Company and an assessment of risks and opportunities.

The total fair value of nonvested shares, share units or DEUs that vested was $18.5 million, $25.5 million and $75.9 million for the years ended December 31, 2020, 2019 and 2018, respectively. As of December 31, 2020, there was $24.2 million of total unrecognized compensation expense related to nonvested shares or share units outstanding at December 31, 2020 and we expect to recognize the expense over a weighted average period of 1.8 years.

In connection with our incentive program covering bonus awards for performance year 2020, in February 2021, 86,058 nonvested common share units were issued to certain employees and are subject to time-based vesting. In February 2021, 373,552 nonvested common shares were granted to certain members of senior management and are subject to time-based and performance-based vesting. In February 2021, the performance-based share awards granted in 2019 and 2020 to certain members of senior management were amended to provide that such awards will no longer be subject to the achievement of the compounded annual book value per share growth metrics and will be subject to only service-based vesting. As a result, the unvested shares subject to the amended 2019 and 2020 awards will vest on March 1, 2022 and March 1, 2023, respectively, subject to the continued service requirements and other terms and conditions set forth in the applicable award agreements, without taking into consideration any performance metrics. Compensation expense related to amending these awards will be recognized over the remaining vesting period.

Employees have the option to tender shares to Essent Group to pay the minimum employee statutory withholding taxes associated with shares upon vesting. Common shares tendered by employees to pay employee withholding taxes totaled 141,801, 208,947 and 718,726 in 2020, 2019 and 2018, respectively. The tendered shares were recorded at cost and included in treasury stock. All treasury stock has been cancelled as of December 31, 2020 and 2019.

Compensation expense, net of forfeitures, and related tax effects recognized in connection with nonvested shares and share units were as follows for the years ended December 31:

(In thousands)	2020		2019		2018
Compensation expense	$	18,462	$	16,588	$	15,073
Income tax benefit	3,511		3,125		2,805

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Dividends Restrictions

12 Months Ended

Dec. 31, 2020

Statutory Accounting Practices, Statutory Amount Available for Dividend Payments [Abstract]

Dividends Restrictions

Dividends Restrictions

Our U.S. insurance subsidiaries are subject to certain capital and dividend rules and regulations as prescribed by jurisdictions in which they are authorized to operate. Under the insurance laws of the Commonwealth of Pennsylvania, Essent Guaranty and Essent PA may pay dividends during any 12-month period in an amount equal to the greater of (i) 10% of the preceding year-end statutory policyholders' surplus or (ii) the preceding year's statutory net income. The Pennsylvania statute also specifies that dividends and other distributions can be paid out of positive unassigned surplus without prior approval. At December 31, 2020, Essent Guaranty had unassigned surplus of approximately $343.6 million. Essent Guaranty paid no dividends to Essent Group or any intermediate holding companies in the years ended December 31, 2020 or 2019. During the year ended December 31, 2018, Essent Guaranty paid to its parent, Essent US Holdings, Inc. ("Essent Holdings"), a $40 million dividend which was used to repay the borrowings remaining under the revolving component of the Credit Facility. As a result of PMIERs guidance issued by the GSEs, through June 30, 2021, Essent Guaranty is required to obtain GSE written approval before paying a dividend. Essent PA had unassigned surplus of approximately $15.4 million as of December 31, 2020. Essent PA did not pay a dividend in 2020, 2019 or 2018.

Essent Re is subject to certain dividend restrictions as prescribed by the Bermuda Monetary Authority and under certain agreements with counterparties. In connection with the quota share reinsurance agreement with Essent Guaranty, Essent Re has agreed to maintain a minimum total equity of $100 million. As of December 31, 2020, Essent Re had total equity of $1.1 billion.

At December 31, 2020, our insurance subsidiaries were in compliance with these rules, regulations and agreements.

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Income Taxes

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Income Taxes

Income TaxesFor the year ended December 31, 2020, the statutory income tax rates of the countries where the Company does business are 21% in the United States and 0.0% in Bermuda. The statutory income tax rate of each country is applied against the taxable income from each country to calculate the income tax expense.

Income tax expense which is generated in the U.S. consists of the following components for the years ended December 31:

(In thousands)	2020		2019		2018
Current	$	38,402	$	43,867	$	28,644
Deferred	38,653		59,481		50,692
Total income tax expense	$	77,055	$	103,348	$	79,336

For the year ended December 31, 2020, pre-tax income attributable to Bermuda and U.S. operations was $129.3 million and $360.8 million, respectively, as compared to $162.8 million and $496.3 million, respectively, for the year ended December 31, 2019 and $128.5 million and $418.2 million, respectively, for the year ended December 31, 2018.

Income tax expense is different from that which would be obtained by applying the applicable statutory income tax rates to income before taxes by jurisdiction (i.e. U.S. 21%; Bermuda 0.0%). The reconciliation of the difference between income tax expense and the expected tax provision at the weighted average tax rate was as follows for the years ended December 31:

	2020				2019				2018
($ in thousands)	$		% of pretax income		$		% of pretax income		$		% of pretax income
Tax provision at weighted average statutory rates	$	75,763	15.5	%	$	104,213	15.8	%	$	87,815	16.1	%
Non-deductible expenses	2,482		0.5		2,595		0.4		1,483		0.3
Tax exempt interest, net of proration	(1,462)		(0.3)		(1,541)		(0.2)		(1,741)		(0.3)
Excess tax benefits from stock-based compensation	(599)		(0.1)		(1,997)		(0.3)		(9,644)		(1.8)
Other	871		0.1		78		0.0		1,423		0.2
Total income tax expense	$	77,055	15.7	%	$	103,348	15.7	%	$	79,336	14.5	%

We provide deferred taxes to reflect the estimated future tax effects of the differences between the financial statement and tax bases of assets and liabilities using currently enacted tax laws. The net deferred tax liability was comprised of the following at December 31:

(In thousands)	2020		2019
Deferred tax assets	$	29,577	$	29,392
Deferred tax liabilities	(334,686)		(279,012)
Net deferred tax liability	$	(305,109)	$	(249,620)

The components of the net deferred tax liability were as follows at December 31:

(In thousands)	2020		2019
Contingency reserves	$	(300,281)	$	(261,855)
Unrealized (gain) loss on investments	(30,050)		(13,214)
Unearned premium reserve	15,192		16,641
Accrued expenses	4,202		3,391
Deferred policy acquisition costs	(3,571)		(3,298)
Unearned ceding commissions	2,951		3,227
Loss reserves	2,529		416
Nonvested shares	1,767		2,426
Start-up expenditures, net	1,137		1,410
Change in fair market value of derivatives	912		370
Fixed assets	880		1,502
Investments in limited partnerships	(561)		(400)
Prepaid expenses	(129)		(132)
Loss reserves - TCJA transition adjustment	(94)		(113)
Organizational expenditures	7		9
Net deferred tax liability	$	(305,109)	$	(249,620)

As a mortgage guaranty insurer, we are eligible for a tax deduction, subject to certain limitations, under Section 832(e) of the Internal Revenue Code ("IRC") for amounts required by state law or regulation to be set aside in statutory contingency reserves. The deduction is allowed only to the extent that we purchase T&L Bonds in an amount equal to the tax benefit derived from deducting any portion of our statutory contingency reserves. During the year ended December 31, 2020, we had net purchases of T&L Bonds in the amount of $40.8 million and had net purchases of T&L Bonds in the amount of $59.5 million during the year ended December 31, 2019. As of December 31, 2020 and 2019, we held $302.6 million and $261.9 million of T&L Bonds, respectively.

In evaluating our ability to realize the benefit of our deferred tax assets, we consider the relevant impact of all available positive and negative evidence including our past operating results and our forecasts of future taxable income. At December 31, 2020 and 2019, after weighing all the evidence, management concluded that it was more likely than not that our deferred tax assets would be realized.

Under current Bermuda law, the parent company, Essent Group, and its Bermuda subsidiary, Essent Re, are not required to pay any taxes on income and capital gains. In the event that there is a change such that these taxes are imposed, these companies would be exempted from any such tax until March of 2035 pursuant to the Bermuda Exempt Undertakings Tax Protection Act of 1966, and the Exempt Undertakings Tax Protection Amendment Act of 2011.

Essent Holdings and its subsidiaries are subject to income taxes imposed by U.S. law and file a U.S. Consolidated Income Tax Return. Should Essent Holdings pay a dividend to its parent company, Essent Irish Intermediate Holdings Limited, withholding taxes at a rate of 5% under the U.S./Ireland tax treaty would likely apply assuming the Company avails itself of Treaty benefits under the U.S./Ireland tax treaty. Absent treaty benefits, the withholding rate on outbound dividends would be 30%. Currently, however, no withholding taxes are accrued with respect to such unremitted earnings as management has no intention of remitting these earnings. Similarly, no foreign income taxes have been provided on the un-remitted earnings of the Company's U.S. subsidiaries as management has neither the intention of remitting these earnings, nor would any Ireland tax be due, as any Irish tax would be expected to be fully offset by credit for taxes paid to the U.S. An estimate of the cumulative amount of U.S. earnings that would be subject to withholding tax, if distributed outside of the U.S., is approximately $2.1 billion. The associated withholding tax liability under the U.S./Ireland tax treaty would be approximately $103.5 million.

Essent is not subject to income taxation other than as stated above. There can be no assurance that there will not be changes in applicable laws, regulations, or treaties which might require Essent to change the way it operates or becomes subject to taxation.

At December 31, 2020 and 2019, the Company had no unrecognized tax benefits. As of December 31, 2020, the U.S. federal income tax returns for the tax years 2017 through 2019 remain subject to examination. The Company has not recorded any uncertain tax positions as of December 31, 2020 or December 31, 2019.

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Earnings per Share (EPS)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Earnings per Share (EPS)

Earnings per Share (EPS)

The following table reconciles the net income and the weighted average common shares outstanding used in the computations of basic and diluted earnings per common share for the years ended December 31:

(In thousands, except per share amounts)	2020		2019		2018
Net income	$	413,041	$	555,713	$	467,363
Basic weighted average shares outstanding	106,098		97,762		97,403
Dilutive effect of nonvested shares	278		465		571
Diluted weighted average shares outstanding	106,376		98,227		97,974
Basic earnings per share	$	3.89	$	5.68	$	4.80
Diluted earnings per share	$	3.88	$	5.66	$	4.77

There were 324,813, 39,490 and 128,575 antidilutive shares for the years ended December 31, 2020, 2019 and 2018, respectively.

The nonvested performance-based share awards are considered contingently issuable for purposes of the EPS calculation. Based on the compounded annual book value per share growth as of December 31, 2020, the following percentages of the performance-based share awards would be issuable under the terms of the arrangements if December 31, 2020 was the end of the contingency period:

2018 Performance-Based Grants	100	%
2019 Performance-Based Grants	100	%
2020 Performance-Based Grants	25	%

Based on the compounded annual book value per share growth as of December 31, 2019 and 2018, 100% of all performance-based share awards would have been issuable under the terms of the arrangements at each date if December 31 was the end of the contingency period.

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Accumulated Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2020

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

The following table shows the rollforward of accumulated other comprehensive income (loss) for the year ended December 31:

	2020						2019
(In thousands)	Before Tax		Tax Effect		Net of Tax		Before Tax		Tax Effect		Net of Tax
Balance at beginning of year	$	69,401	$	(13,214)	$	56,187	$	(33,276)	$	4,283	$	(28,993)
Other comprehensive income (loss):
Unrealized holding gains (losses) on investments:
Unrealized holding gains arising during the year	101,620		(17,286)		84,334		105,906		(17,995)		87,911
Less: Reclassification adjustment for gains included in net income (1)	(2,697)		450		(2,247)		(3,229)		498		(2,731)
Net unrealized gains on investments	98,923		(16,836)		82,087		102,677		(17,497)		85,180
Other comprehensive gain	98,923		(16,836)		82,087		102,677		(17,497)		85,180
Balance at end of year	$	168,324	$	(30,050)	$	138,274	$	69,401	$	(13,214)	$	56,187

_______________________________________________________________________________

(1)Included in net realized investments gains on our consolidated statements of comprehensive income.

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Fair Value of Financial Instruments

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Fair Value of Financial Instruments

We carry certain of our financial instruments at fair value. We define fair value as the current amount that would be exchanged to sell an asset or transfer a liability, other than in a forced liquidation.

Fair Value Hierarchy

ASC No. 820 specifies a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. The level within the fair value hierarchy to measure the financial instrument shall be determined based on the lowest level input that is significant to the fair value measurement. The three levels of the fair value hierarchy are as follows:

•Level 1—Quoted prices for identical instruments in active markets accessible at the measurement date.

•Level 2—Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and valuations in which all significant inputs are observable in active markets. Inputs are observable for substantially the full term of the financial instrument.

•Level 3—Valuations derived from one or more significant inputs that are unobservable.

Determination of Fair Value

When available, we generally use quoted market prices to determine fair value and classify the financial instrument in Level 1. In cases where quoted market prices for similar financial instruments are available, we utilize these inputs for valuation techniques and classify the financial instrument in Level 2. In cases where quoted market prices are not available, fair values are based on estimates using discounted cash flows, present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rates and estimates of future cash flows and we classify the financial instrument in Level 3. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

We used the following methods and assumptions in estimating fair values of financial instruments:

•Investments available for sale—Investments available for sale are valued using quoted market prices in active markets, when available, and those investments are classified as Level 1 of the fair value hierarchy. Level 1 investments

available for sale include investments such as U.S. Treasury securities and money market funds. Investments available for sale are classified as Level 2 of the fair value hierarchy if quoted market prices are not available and fair values are estimated using quoted prices of similar securities or recently executed transactions for the securities. U.S. agency securities, U.S. agency mortgage-backed securities, municipal debt securities, non-U.S. government securities, corporate debt securities, residential and commercial mortgage securities and asset-backed securities are classified as Level 2 investments.

    We use independent pricing sources to determine the fair value of securities available for sale in Level 1 and Level 2 of the fair value hierarchy. We use one primary pricing service to provide individual security pricing based on observable market data and receive one quote per security. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing service and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. U.S. agency securities, U.S. agency mortgage-backed securities, municipal debt securities, non-U.S. government securities, and corporate debt securities are valued by our primary vendor using recently executed transactions and proprietary models based on observable inputs, such as interest rate spreads, yield curves and credit risk. Residential and commercial mortgage securities and asset-backed securities are valued by our primary vendor using proprietary models based on observable inputs, such as interest rate spreads, prepayment speeds and credit risk. As part of our evaluation of investment prices provided by our primary pricing service, we obtained and reviewed their pricing methodologies which include a description of how each security type is evaluated and priced. We review the reasonableness of prices received from our primary pricing service by comparison to prices obtained from additional pricing sources. We have not made any adjustments to the prices obtained from our primary pricing service.

Assets and Liabilities Measured at Fair Value

All assets measured at fair value are categorized in the table below based upon the lowest level of significant input to the valuations. All fair value measurements at the reporting date were on a recurring basis.

December 31, 2020 (In thousands)	Quoted Prices in Active  Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Recurring fair value measurements
Financial Assets:
U.S. Treasury securities	$	268,444	$	—	$	—	$	268,444
U.S. agency securities	—		18,085		—		18,085
U.S. agency mortgage-backed securities	—		995,905		—		995,905
Municipal debt securities	—		551,517		—		551,517
Non-U.S. government securities	—		61,607		—		61,607
Corporate debt securities	—		1,126,512		—		1,126,512
Residential and commercial mortgage securities	—		409,282		—		409,282
Asset-backed securities	—		454,717		—		454,717
Money market funds	679,304		—		—		679,304
Total assets at fair value (1)	$	947,748	$	3,617,625	$	—	$	4,565,373

December 31, 2019 (In thousands)	Quoted Prices in Active  Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Recurring fair value measurements
Financial Assets:
U.S. Treasury securities	$	242,206	$	—	$	—	$	242,206
U.S. agency securities	—		33,605		—		33,605
U.S. agency mortgage-backed securities	—		848,334		—		848,334
Municipal debt securities	—		361,638		—		361,638
Non-U.S. government securities	—		54,995		—		54,995
Corporate debt securities	—		880,301		—		880,301
Residential and commercial mortgage securities	—		288,281		—		288,281
Asset-backed securities	—		326,025		—		326,025
Money market funds	315,362		—		—		315,362
Total assets at fair value (1)	$	557,568	$	2,793,179	$	—	$	3,350,747

_______________________________________________________________________________

(1)Does not include the fair value of embedded derivatives, which we have accounted for separately as freestanding derivatives and included in other assets or other accrued liabilities in our consolidated balance sheet. See Note 5 for more information.

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Statutory Accounting

12 Months Ended

Dec. 31, 2020

Insurance [Abstract]

Statutory Accounting

Statutory Accounting

Our U.S. insurance subsidiaries prepare statutory-basis financial statements in accordance with the accounting practices prescribed or permitted by their respective state’s department of insurance, which is a comprehensive basis of accounting other than GAAP. We did not use any prescribed or permitted statutory accounting practices (individually or in the aggregate) that resulted in reported statutory surplus or capital that was significantly different from the statutory surplus or capital that would have been reported had National Association of Insurance Commissioners’ statutory accounting practices been followed. The following table presents Essent Guaranty’s and Essent PA’s statutory net income, statutory surplus and contingency reserve liability as of and for the years ended December 31:

(In thousands)	2020		2019		2018
Essent Guaranty
Statutory net income	$	312,091	$	443,675	$	379,119
Statutory surplus	1,048,878		1,032,416		872,105
Contingency reserve liability	1,499,782		1,197,279		916,568
Essent PA
Statutory net income	$	4,560	$	8,073	$	9,306
Statutory surplus	54,354		52,936		49,336
Contingency reserve liability	56,032		52,957		48,545

Net income determined in accordance with statutory accounting practices differs from GAAP. In 2020 and 2019, the more significant differences between net income determined under statutory accounting practices and GAAP for Essent Guaranty and Essent PA relate to policy acquisition costs and income taxes. Under statutory accounting practices, policy acquisition costs are expensed as incurred while such costs are capitalized and amortized to expense over the life of the policy under GAAP. As discussed in Note 12, we are eligible for a tax deduction, subject to certain limitations for amounts required by state law or regulation to be set aside in statutory contingency reserves when we purchase T&L Bonds. Under statutory accounting practices, this deduction reduces the tax provision recorded by Essent Guaranty and Essent PA and, as a result, increases statutory net income and surplus as compared to net income and equity determined in accordance with GAAP.

At December 31, 2020 and 2019, the statutory capital of our U.S. insurance subsidiaries, which is defined as the total of statutory surplus and contingency reserves, was in excess of the statutory capital necessary to satisfy their regulatory requirements.

Effective December 31, 2015, Fannie Mae and Freddie Mac, at the direction of the Federal Housing Finance Agency, implemented new coordinated Private Mortgage Insurer Eligibility Requirements, which we refer to as the "PMIERs." The PMIERs represent the standards by which private mortgage insurers are eligible to provide mortgage insurance on loans owned or guaranteed by Fannie Mae and Freddie Mac. The PMIERs include financial strength requirements incorporating a risk-based framework that require approved insurers to have a sufficient level of liquid assets from which to pay claims. The PMIERs also include enhanced operational performance expectations and define remedial actions that apply should an approved insurer fail to comply with these requirements. In 2018, the GSEs released revised PMIERs framework ("PMIERs 2.0") which became effective on March 31, 2019. As of December 31, 2020, Essent Guaranty, our GSE-approved mortgage insurance company, was in compliance with PMIERs 2.0.

Statement of Statutory Accounting Principles No. 58, Mortgage Guaranty Insurance, requires mortgage insurers to establish a special contingency reserve for statutory accounting purposes included in total liabilities equal to 50% of earned premium for that year. During 2020, Essent Guaranty increased its contingency reserve by $302.5 million and Essent PA increased its contingency reserve by $3.1 million. This reserve is required to be maintained for a period of 120 months to protect against the effects of adverse economic cycles. After 120 months, the reserve is released to unassigned funds. In the event an insurer’s loss ratio in any calendar year exceeds 35%, however, the insurer may, after regulatory approval, release from its contingency reserves an amount equal to the excess portion of such losses. During the year ended December 31, 2020, Essent Guaranty and Essent PA released contingency reserves of $0.1 million and less than $0.1 million, respectively, to unassigned funds upon completion of the 120 month holding period. Essent Guaranty and Essent PA did not release any amounts from their contingency reserves in 2019 or 2018.

Under The Insurance Act 1978, as amended, and related regulations of Bermuda (the "Insurance Act"), Essent Re is required to annually prepare statutory financial statements and a statutory financial return in accordance with the financial reporting provisions of the Insurance Act, which is a basis other than GAAP. The Insurance Act also requires that Essent Re maintain minimum share capital of $1 million and must ensure that the value of its general business assets exceeds the amount of its general business liabilities by an amount greater than the prescribed minimum solvency margins and enhanced capital requirement pertaining to its general business. At December 31, 2020 and 2019, all such requirements were met.

Essent Re's statutory capital and surplus was $1.1 billion and $939.2 million as of December 31, 2020 and 2019, respectively, and statutory net income was $143.5 million and $176.4 million, respectively. Statutory capital and surplus and net income determined in accordance with statutory accounting practices were not significantly different than the amounts determined under GAAP.

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Capital Maintenance Agreement	12 Months Ended
	Dec. 31, 2020
Insurance Ratios [Abstract]
Capital Maintenance Agreement	Capital Maintenance AgreementEssent Guaranty has a capital maintenance agreement with Essent PA under which Essent Guaranty agreed to contribute funds, under specified conditions, to maintain Essent PA's risk-to-capital ratio at or below 25.0 to 1 in return for a surplus note. As of December 31, 2020, Essent PA's risk-to-capital ratio was 1.7:1 and there were no amounts outstanding related to this agreement.

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Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

Quarterly Financial Data (Unaudited)

The following table summarizes the unaudited results of operations for each quarter of 2020 and 2019.

	2020
(In thousands, except per share amounts)	December 31		September 30		June 30		March 31
Net premiums earned	$	222,339	$	222,258	$	211,471	$	206,496
Other revenues	24,860		20,780		24,606		22,344
Provision for losses and LAE	62,073		55,280		175,877		8,063
Other underwriting and operating expenses	36,825		37,100		38,819		41,947
Interest expense	2,149		2,227		2,566		2,132
Income before income taxes	146,152		148,431		18,815		176,698
Net income	123,602		124,536		15,380		149,523
Basic earnings per common share	$	1.10	$	1.11	$	0.15	$	1.53
Diluted earnings per common share	$	1.10	$	1.11	$	0.15	$	1.52
Basic weighted average shares outstanding	111,908		111,908		102,500		97,949
Diluted weighted average shares outstanding	112,310		112,134		102,605		98,326

	2019
(In thousands, except per share amounts)	December 31		September 30		June 30		March 31
Net premiums earned	$	207,671	$	203,473	$	188,490	$	177,791
Other revenues	21,091		22,914		23,402		22,735
Provision for losses and LAE	10,929		9,990		4,960		7,107
Other underwriting and operating expenses	41,231		41,588		41,520		41,030
Interest expense	2,218		2,584		2,679		2,670
Income before income taxes	174,384		172,225		162,733		149,719
Net income	146,958		144,630		136,405		127,720
Basic earnings per common share	$	1.50	$	1.48	$	1.39	$	1.31
Diluted earnings per common share	$	1.49	$	1.47	$	1.39	$	1.30
Basic weighted average shares outstanding	97,830		97,822		97,798		97,595
Diluted weighted average shares outstanding	98,376		98,257		98,170		98,104

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Schedule I - Summary of Investments-Other Than Investments in Related Parties

12 Months Ended

Dec. 31, 2020

SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]

Schedule I - Summary of Investments-Other Than Investments in Related Parties

Schedule I—Summary of Investments—Other Than Investments in Related Parties

December 31, 2020

Type of Investment (In thousands)	Amortized Cost		Fair Value		Amount at which shown in the Balance Sheet
Fixed maturities:
Bonds:
United States Government and government agencies and authorities	$	1,212,622	$	1,254,075	$	1,254,075
States, municipalities and political subdivisions	513,870		551,517		551,517
Residential and commercial mortgage securities	391,921		409,282		409,282
Asset-backed securities	452,527		454,717		454,717
Foreign government and agency securities	56,045		61,607		61,607
All other corporate bonds	1,050,830		1,107,315		1,107,315
Total fixed maturities	3,677,815		3,838,513		3,838,513
Short-term investments	726,875		726,860		726,860
Other invested assets	81,263		88,904		88,904
Total investments	$	4,485,953	$	4,654,277	$	4,654,277

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Schedule II - Condensed Financial Information of Registrant

12 Months Ended

Dec. 31, 2020

Condensed Financial Information Disclosure [Abstract]

Schedule II - Condensed Financial Information of Registrant

Schedule II—Condensed Financial Information of Registrant

Parent Company Only

	December 31,
(In thousands)	2020		2019
Assets
Investments
Fixed maturities available for sale, at fair value (amortized cost: 2020 — $201,527; 2019 — $0)	$	202,129	$	—
Short-term investments available for sale, at fair value (amortized cost: 2020 — $352,412; 2019 — $96,531)	352,415		96,531
Total investments available for sale	554,544		96,531
Cash	8,688		1,845
Due from affiliates	1,278		875
Investment in consolidated subsidiaries	3,518,029		3,009,447
Other assets	4,512		1,608
Total Assets	$	4,087,051	$	3,110,306
Liabilities and stockholders' equity
Liabilities
Due to affiliates	$	—	$	301
Credit facility borrowings (at carrying value, less unamortized deferred costs of $2,287 in 2020 and $564 in 2019)	222,713		124,436
Other accrued liabilities	1,705		724
Total liabilities	224,418		125,461
Commitments and contingencies
Stockholders' Equity
Common shares	1,686		1,476
Additional paid-in capital	1,571,163		1,118,655
Accumulated other comprehensive income	138,274		56,187
Retained earnings	2,151,510		1,808,527
Total stockholders' equity	3,862,633		2,984,845
Total liabilities and stockholders' equity	$	4,087,051	$	3,110,306

See accompanying supplementary notes to Parent Company condensed

financial information and the consolidated financial statements and notes thereto.

Schedule II—Condensed Financial Information of Registrant

Condensed Statements of Comprehensive Income

Parent Company Only

	Year Ended December 31,
(In thousands)	2020		2019		2018
Revenues:
Net investment income	$	1,181	$	1,601	$	980
Realized investment losses, net	(10)		—		—
Administrative service fees from subsidiaries	872		649		551
Total revenues	2,043		2,250		1,531
Expenses:
Administrative service fees to subsidiaries	3,728		3,053		2,510
Other operating expenses	5,929		6,925		5,076
Interest expense	6,446		5,742		5,462
Total expenses	16,103		15,720		13,048
Loss before income taxes and equity in undistributed net income in subsidiaries	(14,060)		(13,470)		(11,517)
Loss before equity in undistributed net income of subsidiaries	(14,060)		(13,470)		(11,517)
Equity in undistributed net income of subsidiaries	427,101		569,183		478,880
Net income	$	413,041	$	555,713	$	467,363
Other comprehensive income (loss):
Change in unrealized appreciation (depreciation) of investments, net of tax expense (benefit) of $16,836 in 2020, $17,497 in 2019 and $(5,686) in 2018	82,087		85,180		(25,741)
Total other comprehensive income (loss)	82,087		85,180		(25,741)
Comprehensive income	$	495,128	$	640,893	$	441,622

See accompanying supplementary notes to Parent Company condensed

financial information and the consolidated financial statements and notes thereto.

Schedule II—Condensed Financial Information of Registrant

Condensed Statements of Cash Flows

Parent Company Only

	Year Ended December 31,
(In thousands)	2020		2019		2018
Operating Activities
Net income	$	413,041	$	555,713	$	467,363
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net income of subsidiaries	(427,101)		(569,183)		(478,880)
Loss on the sale of investments, net	10		—		—
Stock-based compensation expense	935		830		843
Amortization of premium on investment securities	435		—		—
Changes in assets and liabilities:
Other assets	(319)		416		911
Other accrued liabilities	18,208		15,562		15,537
Net cash provided by operating activities	5,209		3,338		5,774
Investing Activities
Net change in short-term investments	(255,884)		(24,727)		26,122
Investments in subsidiaries	—		55,001		—
Purchase of investments available for sale	(205,668)		—		—
Proceeds from maturity of investments available for sale	838		—		—
Proceeds from sales of investments available for sale	3,386		—		—
Net cash (used in) provided by investing activities	(457,328)		30,274		26,122
Financing Activities
Issuance of common shares, net of costs	439,962		—		—
Credit facility borrowings	200,000		—		—
Credit facility repayments	(100,000)		—		—
Treasury stock acquired	(6,354)		(9,005)		(31,414)
Payment of issuance costs for credit facility	(5,236)		(15)		(131)
Dividends paid	(69,410)		(29,348)		—
Net cash provided by (used in) financing activities	458,962		(38,368)		(31,545)
Net increase (decrease) in cash	6,843		(4,756)		351
Cash at beginning of year	1,845		6,601		6,250
Cash at end of year	$	8,688	$	1,845	$	6,601
Supplemental Disclosure of Cash Flow Information
Interest payments	$	(5,714)	$	(5,509)	$	(4,984)
Noncash Transactions
Repayment of borrowings with term loan proceeds	$	(225,000)	$	—	$	—

See accompanying supplementary notes to Parent Company condensed

financial information and the consolidated financial statements and notes thereto.

Schedule II—Condensed Financial Information of Registrant

Parent Company Only

Supplementary Notes

Note A

The accompanying Parent Company financial statements should be read in conjunction with the consolidated financial statements and notes to consolidated financial statements. These financial statements have been prepared on the same basis and using the same accounting policies as described in the consolidated financial statements included herein, except that the Parent Company uses the equity method of accounting for its majority-owned subsidiaries.

Note B

Under the insurance laws of the Commonwealth of Pennsylvania, the insurance subsidiaries may pay dividends during any 12-month period in an amount equal to the greater of (i) 10% of the preceding year-end statutory policyholders' surplus or (ii) the preceding year's statutory net income. The Pennsylvania statute also requires that dividends and other distributions be paid out of positive unassigned surplus without prior approval. As of December 31, 2020, Essent Guaranty had unassigned surplus of approximately $343.6 million. Essent PA had unassigned surplus of approximately $15.4 million as of December 31, 2020.

During the years ended December 31, 2020 and 2018, the Parent Company did not receive any dividends from its subsidiaries. During the year ended December 31, 2019, the Parent Company received dividends from Essent Re totaling $55.0 million.

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Schedule IV - Reinsurance

12 Months Ended

Dec. 31, 2020

SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]

Schedule IV - Reinsurance

Schedule IV—Reinsurance

Insurance Premiums Earned

Years Ended December 31, 2020, 2019 and 2018

($ in thousands)	Gross Amount	Ceded to Other Companies	Assumed from Other Companies	Net Amount	Assumed Premiums as a Percentage of Net Premiums
2020	951,302	(88,738)	—	862,564	0.0	%
2019	812,924	(35,499)	—	777,425	0.0	%
2018	660,260	(10,768)	—	649,492	0.0	%

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Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Use of Estimates

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.

Investments, Available for Sale and Investments

Investments

Our fixed maturity and short-term investments are classified as available for sale as we may sell securities from time to time to provide liquidity and in response to changes in the market. Debt securities classified as available for sale are reported at fair value with unrealized gains and losses on these securities reported in other comprehensive income, net of deferred income taxes. See Note 15 for a description of the valuation methods for investments available for sale.

We monitor our fixed maturities for unrealized losses that appear to be other-than-temporary. A fixed maturity security is considered to be other-than-temporarily impaired when the security's fair value is less than its amortized cost basis and 1) we intend to sell the security, 2) it is more likely than not that we will be required to sell the security before recovery of the security's amortized cost basis, or 3) we believe we will be unable to recover the entire amortized cost basis of the security (i.e., a credit loss has occurred). When we determine that a credit loss has been incurred, but we do not intend to sell the security and it is not more likely than not that we will be required to sell the security before recovery of the security's amortized cost basis, the portion of the other-than-temporary impairment that is credit related is recorded as a realized loss in the consolidated statements of comprehensive income, and the portion of the other-than-temporary impairment that is not credit related is included in other comprehensive income. For those fixed maturities for which an other-than-temporary impairment has occurred, we adjust the amortized cost basis of the security and record a realized loss in the consolidated statements of comprehensive income.

We recognize purchase premiums and discounts in interest income using the interest method over the securities' estimated holding periods, until maturity, or call date, if applicable. Gains and losses on the sales of securities are recorded on the trade date and are determined using the specific identification method.

Short-term investments are defined as short-term, highly liquid investments, both readily convertible to cash and having maturities at acquisition of twelve months or less.

Investments, Other Invested Assets

Other invested assets are comprised of limited partnership interests which are accounted for under the equity method of accounting with changes in value reported in other income. In applying the equity method, these investments are initially recorded at cost and are subsequently adjusted based on the Company’s proportionate share of the net income or loss of the partnership. We have elected to classify distributions received from these investments using the cumulative earnings approach. Due to the timing of receiving financial information from these partnerships, the results are generally reported on a one month or quarter lag.

Long-Lived Assets

Long-Lived AssetsProperty and equipment are stated at cost less accumulated depreciation and amortization. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets. Repairs and maintenance are charged to expense as incurred. Estimated useful lives are 5 years for furniture and fixtures and 2 to 3 years for equipment, computer hardware and purchased software. Certain costs associated with the acquisition or development of internal-use software are capitalized. Once the software is ready for its intended use, these costs are amortized on a straight-line basis over the software's expected useful life, which is generally 3 years. We amortize leasehold improvements over the shorter of the lives of the leases or estimated service lives of the leasehold improvements.

Deferred Policy Acquisition Costs

Deferred Policy Acquisition Costs

We defer certain personnel costs and premium tax expense directly related to the successful acquisition of new insurance policies and amortize these costs over the period the related estimated gross profits are recognized in order to match costs and revenues. We do not defer any underwriting costs associated with our contract underwriting services. Costs related to the acquisition of mortgage insurance business are initially deferred and reported as deferred policy acquisition costs. Consistent with industry accounting practice, amortization of these costs for each underwriting year book of business is recognized in

proportion to estimated gross profits. Estimated gross profits are composed of earned premium, interest income, losses and loss adjustment expenses. The deferred costs are adjusted as appropriate for policy cancellations to be consistent with our revenue recognition policy. We estimate the rate of amortization to reflect actual experience and any changes to persistency or loss development. Deferred policy acquisition costs are reviewed periodically to determine that they do not exceed recoverable amounts, after considering investment income.

Insurance Premium Revenue Recognition

Insurance Premium Revenue Recognition

Mortgage guaranty insurance policies are contracts that are generally non-cancelable by the insurer, are renewable at a fixed price, and provide for payment of premium on a monthly, annual or single basis. Upon renewal, we are not able to re-underwrite or re-price our policies. Consistent with industry accounting practices, premiums written on a monthly basis are earned as coverage is provided. Monthly policies accounted for 84% of earned premium in 2020. Premiums written on an annual basis are amortized on a pro rata basis over the year of coverage. Primary mortgage insurance written on policies covering more than one year are referred to as single premium policies. A portion of the revenue from single premium policies is recognized in earned premium in the current period, and the remaining portion is deferred as unearned premium and earned over the expected life of the policy. If single premium policies related to insured loans are cancelled due to repayment by the borrower, and the premium is non-refundable, then the remaining unearned premium related to each cancelled policy is recognized as earned premium upon notification of the cancellation. The Company recorded $88.9 million and $42.5 million of earned premium related to policy cancellations for the years ended December 31, 2020 and 2019, respectively. Unearned premium represents the portion of premium written that is applicable to the estimated unexpired risk of insured loans. Rates used to determine the earning of single premium policies are estimates based on an analysis of the expiration of risk.

Reserve for Losses and Loss Adjustment Expenses

Reserve for Losses and Loss Adjustment Expenses

We establish reserves for losses based on our best estimate of ultimate claim costs for defaulted loans using the general principles contained in ASC No. 944, in accordance with industry practice. However, consistent with industry standards for mortgage insurers, we do not establish loss reserves for future claims on insured loans which are not currently in default. Loans are classified as in default when the borrower has missed two consecutive payments. Once we are notified that a borrower has defaulted, we will consider internal and third-party information and models, including the status of the loan as reported by its servicer and the type of loan product to determine the likelihood that a default will reach claim status. In addition, we will project the amount that we will pay if a default becomes a claim (referred to as "claim severity"). Based on this information, at each reporting date we determine our best estimate of loss reserves at a given point in time. Included in loss reserves are reserves for incurred but not reported ("IBNR") claims. IBNR reserves represent our estimated unpaid losses on loans that are in default, but have not yet been reported to us as delinquent by our customers. We will also establish reserves for associated loss adjustment expenses, consisting of the estimated cost of the claims administration process, including legal and other fees and expenses associated with administering the claims process. Establishing reserves is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available. Our estimates of claim rates and claim sizes will be strongly influenced by prevailing economic conditions, such as the overall state of the economy, current rates or trends in unemployment, changes in housing values and/or interest rates, and our best judgments as to the future values or trends of these macroeconomic factors. Losses incurred are also generally affected by the characteristics of our insured loans, such as the loan amount, loan-to-value ratio, the percentage of coverage on the insured loan and the credit quality of the borrower.

Premium Deficiency Reserve

Premium Deficiency ReserveWe are required to establish a premium deficiency reserve if the net present value of the expected future losses and expenses for a particular group of policies exceeds the net present value of expected future premium, anticipated investment income and existing reserves for that specified group of policies. We reassess our expectations for premium, losses and expenses of our mortgage insurance business periodically and update our premium deficiency analysis accordingly.

Derivative Instruments

Derivative Instruments

Derivative instruments, including embedded derivative instruments, are recognized at fair value in the consolidated balance sheets. The amount of monthly reinsurance premiums ceded under our reinsurance contracts will fluctuate due to changes in one-month LIBOR and changes in money market rates. As the reinsurance premium will vary based on changes in these rates, we concluded that these reinsurance agreements contain embedded derivatives that are accounted for separately like freestanding derivatives.

Stock-Based Compensation

Stock-Based Compensation

We measure the cost of employee services received in exchange for awards of equity instruments at the grant date of the award using a fair value based method. Prior to our initial public offering, we estimated the fair value of each nonvested share grant on the date of grant based on management's best estimate using methods further described in Note 10 of our consolidated financial statements. Subsequent to our initial public offering, fair value is determined on the date of grant based on quoted market prices. We recognize compensation expense on nonvested shares over the vesting period of the award. Excess tax benefits and tax deficiencies associated with share-based payments are recognized as income tax expense or benefit in the income statement and treated as discrete items in the reporting period.

Income Taxes

Income Taxes

Deferred income tax assets and liabilities are determined using the asset and liability (balance sheet) method. Under this method, we determine the net deferred tax asset or liability based on the tax effects of the temporary differences between the book and tax bases of the various assets and liabilities and give current recognition to changes in tax rates and laws. Changes in tax laws, rates, regulations and policies, or the final determination of tax audits or examinations, could materially affect our tax estimates. We evaluate the realizability of the deferred tax asset and recognize a valuation allowance if, based on the weight of all available positive and negative evidence, it is more likely than not that some portion or all of the deferred tax asset will not be realized. When evaluating the realizability of the deferred tax asset, we consider estimates of expected future taxable income, existing and projected book/tax differences, carryback and carryforward periods, tax planning strategies available, and the general and industry specific economic outlook. This realizability analysis is inherently subjective, as it requires management to forecast changes in the mortgage market, as well as the related impact on mortgage insurance, and the competitive and general economic environment in future periods. Changes in the estimate of deferred tax asset realizability, if applicable, are included in income tax expense on the consolidated statements of comprehensive income.

ASC No. 740 provides a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In accordance with ASC No. 740, before a tax benefit can be recognized, a tax position is evaluated using a threshold that it is more likely than not that the tax position will be sustained upon examination. When evaluating the more-likely-than-not recognition threshold, ASC No. 740 provides that a company should presume the tax position will be examined by the appropriate taxing authority that has full knowledge of all relevant information. If the tax position meets the more-likely-than-not recognition threshold, it is initially and subsequently measured as the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement.

As described in Note 12, we purchase non-interest-bearing United States Mortgage Guaranty Tax and Loss Bonds ("T&L Bonds") issued by the Treasury Department. These assets are carried at cost and are reported as prepaid federal income tax on the consolidated balance sheets.

It is our policy to classify interest and penalties as income tax expense and to use the aggregate portfolio approach to release income tax effects from accumulated other comprehensive income.

Earnings per Share

Earnings per Share

Basic earnings per common share amounts are calculated based on income available to common stockholders and the weighted average number of common shares outstanding during the reporting period. Diluted earnings per common share amounts are calculated based on income available to common stockholders and the weighted average number of common and potential common shares outstanding during the reporting period. Potential common shares, composed of the incremental common shares issuable upon vesting of unvested common shares and common share units, are included in the earnings per share calculation to the extent that they are dilutive.

Recently Issued Accounting Standards

Recently Issued Accounting Standards

Accounting Standards Adopted During 2020

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments (Topic 326). This update is intended to provide financial statement users with more information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. The amendments in this ASU replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The new guidance requires financial assets measured at amortized cost to be presented at the net amount expected to be collected through the use of an allowance for credit losses. Credit losses relating to available-for-sale debt securities will also be recorded through an allowance rather than as a write-down of the amortized cost of the securities. The accounting for insurance losses and loss adjustment expenses ("LAE") are not within the scope of this ASU. The provisions of this update were effective for annual and interim periods beginning after December 15, 2019 and we adopted this standard on January 1, 2020 using the modified retrospective approach. The adoption of this ASU did not have a material effect on the Company's consolidated operating results or financial position.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement. The amendments in this update modify the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. The provisions of this update were effective for interim and annual periods beginning after December 15, 2019, with early adoption permitted for the removed disclosures. We adopted this standard on January 1, 2020. The adoption of this ASU did not have a material impact on our condensed consolidated financial statements.

Accounting Standards Not Yet Adopted

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in this update provide temporary optional guidance to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform. It provides optional expedients and exceptions for applying generally accepted accounting principles to contract, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. This standard may be elected and applied prospectively over time from March 12, 2020 through December 31, 2022 as reference rate reform activities occur. The adoption of, and future elections under, this ASU are not expected to have a material impact on our consolidated financial statements as the ASU will ease, if warranted, the requirements for accounting for the future effects of the rate reform. We continue to monitor the impact the discontinuance of LIBOR or another reference rate will have on our contracts and other transactions.

Fair Value of Financial Instruments

Fair Value of Financial Instruments

We carry certain of our financial instruments at fair value. We define fair value as the current amount that would be exchanged to sell an asset or transfer a liability, other than in a forced liquidation.

Fair Value Hierarchy

ASC No. 820 specifies a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. The level within the fair value hierarchy to measure the financial instrument shall be determined based on the lowest level input that is significant to the fair value measurement. The three levels of the fair value hierarchy are as follows:

•Level 1—Quoted prices for identical instruments in active markets accessible at the measurement date.

•Level 2—Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and valuations in which all significant inputs are observable in active markets. Inputs are observable for substantially the full term of the financial instrument.

•Level 3—Valuations derived from one or more significant inputs that are unobservable.

Determination of Fair Value

When available, we generally use quoted market prices to determine fair value and classify the financial instrument in Level 1. In cases where quoted market prices for similar financial instruments are available, we utilize these inputs for valuation techniques and classify the financial instrument in Level 2. In cases where quoted market prices are not available, fair values are based on estimates using discounted cash flows, present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rates and estimates of future cash flows and we classify the financial instrument in Level 3. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

We used the following methods and assumptions in estimating fair values of financial instruments:

•Investments available for sale—Investments available for sale are valued using quoted market prices in active markets, when available, and those investments are classified as Level 1 of the fair value hierarchy. Level 1 investments

available for sale include investments such as U.S. Treasury securities and money market funds. Investments available for sale are classified as Level 2 of the fair value hierarchy if quoted market prices are not available and fair values are estimated using quoted prices of similar securities or recently executed transactions for the securities. U.S. agency securities, U.S. agency mortgage-backed securities, municipal debt securities, non-U.S. government securities, corporate debt securities, residential and commercial mortgage securities and asset-backed securities are classified as Level 2 investments.

    We use independent pricing sources to determine the fair value of securities available for sale in Level 1 and Level 2 of the fair value hierarchy. We use one primary pricing service to provide individual security pricing based on observable market data and receive one quote per security. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing service and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. U.S. agency securities, U.S. agency mortgage-backed securities, municipal debt securities, non-U.S. government securities, and corporate debt securities are valued by our primary vendor using recently executed transactions and proprietary models based on observable inputs, such as interest rate spreads, yield curves and credit risk. Residential and commercial mortgage securities and asset-backed securities are valued by our primary vendor using proprietary models based on observable inputs, such as interest rate spreads, prepayment speeds and credit risk. As part of our evaluation of investment prices provided by our primary pricing service, we obtained and reviewed their pricing methodologies which include a description of how each security type is evaluated and priced. We review the reasonableness of prices received from our primary pricing service by comparison to prices obtained from additional pricing sources. We have not made any adjustments to the prices obtained from our primary pricing service.

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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of balances by type of long-lived assets

The balances by type were as follows at December 31:

	2020				2019
(In thousands)	Cost		Accumulated Depreciation/ Amortization		Cost		Accumulated Depreciation/ Amortization
Furniture and fixtures	$	2,220	$	(2,068)	$	2,148	$	(2,017)
Office equipment	848		(772)		848		(700)
Computer hardware	10,282		(8,987)		9,764		(7,728)
Purchased software	38,434		(37,404)		37,909		(36,716)
Costs of internal-use software	10,783		(8,959)		9,595		(8,185)
Leasehold improvements	4,787		(2,777)		4,644		(2,293)
Total	$	67,354	$	(60,967)	$	64,908	$	(57,639)

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Investments (Tables)

12 Months Ended

Dec. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of investments available for sale

Investments available for sale consist of the following:

December 31, 2020 (In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities	$	259,378	$	9,088	$	(22)	$	268,444
U.S. agency securities	17,930		155		—		18,085
U.S. agency mortgage-backed securities	963,670		33,205		(970)		995,905
Municipal debt securities (1)	513,870		37,662		(15)		551,517
Non-U.S. government securities	56,045		5,562		—		61,607
Corporate debt securities (2)	1,070,027		56,864		(379)		1,126,512
Residential and commercial mortgage securities	391,921		18,641		(1,280)		409,282
Asset-backed securities	452,527		3,246		(1,056)		454,717
Money market funds	679,322		—		(18)		679,304
Total investments available for sale	$	4,404,690	$	164,423	$	(3,740)	$	4,565,373

December 31, 2019 (In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities	$	239,087	$	3,526	$	(407)	$	242,206
U.S. agency securities	33,620		36		(51)		33,605
U.S. agency mortgage-backed securities	836,710		13,956		(2,332)		848,334
Municipal debt securities (1)	339,511		22,245		(118)		361,638
Non-U.S. government securities	52,230		2,812		(47)		54,995
Corporate debt securities (2)	856,638		24,255		(592)		880,301
Residential and commercial mortgage securities	282,840		6,542		(1,101)		288,281
Asset-backed securities	326,589		857		(1,421)		326,025
Money market funds	315,360		2		—		315,362
Total investments available for sale	$	3,282,585	$	74,231	$	(6,069)	$	3,350,747

_______________________________________________________________________________

	December 31,		December 31,
(1) The following table summarizes municipal debt securities as of :	2020		2019
Special revenue bonds	76.8	%	74.5	%
General obligation bonds	20.3		21.3
Certificate of participation bonds	2.3		3.4
Tax allocation bonds	0.6		0.8
Total	100.0	%	100.0	%

	December 31,		December 31,
(2) The following table summarizes corporate debt securities as of :	2020		2019
Financial	34.9	%	34.4	%
Consumer, non-cyclical	19.1		20.1
Communications	9.3		10.3
Energy	8.2		8.3
Consumer, cyclical	8.0		7.6
Technology	6.1		4.8
Utilities	5.9		6.2
Industrial	5.3		4.2
Basic materials	3.1		4.1
Government	0.1		—
Total	100.0	%	100.0	%

Schedule of amortized cost and fair value of investments available for sale by contractual maturity

The amortized cost and fair value of investments available for sale at December 31, 2020, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most U.S. agency mortgage-backed securities, residential and commercial mortgage securities and asset-backed securities provide for periodic payments throughout their lives, they are listed below in separate categories.

(In thousands)	Amortized Cost		Fair Value
U.S. Treasury securities:
Due in 1 year	$	78,956	$	79,335
Due after 1 but within 5 years	130,312		134,802
Due after 5 but within 10 years	49,125		53,165
Due after 10 years	985		1,142
Subtotal	259,378		268,444
U.S. agency securities:
Due in 1 year	8,906		8,958
Due after 1 but within 5 years	9,024		9,127
Subtotal	17,930		18,085
Municipal debt securities:
Due in 1 year	6,881		6,892
Due after 1 but within 5 years	91,122		95,567
Due after 5 but within 10 years	235,030		254,387
Due after 10 years	180,837		194,671
Subtotal	513,870		551,517
Non-U.S. government securities:
Due in 1 year	—		—
Due after 1 but within 5 years	22,710		24,257
Due after 5 but within 10 years	24,246		27,680
Due after 10 years	9,089		9,670
Subtotal	56,045		61,607
Corporate debt securities:
Due in 1 year	148,292		149,617
Due after 1 but within 5 years	576,987		602,286
Due after 5 but within 10 years	322,649		350,632
Due after 10 years	22,099		23,977
Subtotal	1,070,027		1,126,512
U.S. agency mortgage-backed securities	963,670		995,905
Residential and commercial mortgage securities	391,921		409,282
Asset-backed securities	452,527		454,717
Money market funds	679,322		679,304
Total investments available for sale	$	4,404,690	$	4,565,373

Schedule of realized gross gains and losses on sale of investments available for sale

Gross gains and losses realized on the sale of investments available for sale were as follows:

	Year Ended December 31,
(In thousands)	2020		2019		2018
Realized gross gains	$	5,608	$	5,238	$	2,201
Realized gross losses	2,482		1,746		883

Schedule of fair value of investments in an unrealized loss position and related unrealized losses

The fair value of investments available for sale in an unrealized loss position and the related unrealized losses for which no allowance for credit loss has been recorded were as follows:

	Less than 12 months				12 months or more				Total
December 31, 2020 (In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Treasury securities	$	28,776	$	(22)	$	—	$	—	$	28,776	$	(22)
U.S. agency mortgage-backed securities	152,671		(924)		3,007		(46)		155,678		(970)
Municipal debt securities	3,838		(15)		—		—		3,838		(15)
Corporate debt securities	141,803		(379)		—		—		141,803		(379)
Residential and commercial mortgage securities	63,203		(777)		9,516		(503)		72,719		(1,280)
Asset-backed securities	124,165		(483)		65,897		(573)		190,062		(1,056)
Money market funds	99,995		(18)		—		—		99,995		(18)
Total	$	614,451	$	(2,618)	$	78,420	$	(1,122)	$	692,871	$	(3,740)

	Less than 12 months				12 months or more				Total
December 31, 2019 (In thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Treasury securities	$	29,013	$	(331)	$	42,981	$	(76)	$	71,994	$	(407)
U.S. agency securities	—		—		25,605		(51)		25,605		(51)
U.S. agency mortgage-backed securities	101,684		(1,042)		113,866		(1,290)		215,550		(2,332)
Municipal debt securities	10,651		(112)		624		(6)		11,275		(118)
Non-U.S. government securities	9,664		(47)		—		—		9,664		(47)
Corporate debt securities	83,013		(576)		14,531		(16)		97,544		(592)
Residential and commercial mortgage securities	59,341		(1,059)		3,442		(42)		62,783		(1,101)
Asset-backed securities	78,813		(202)		109,536		(1,219)		188,349		(1,421)
Total	$	372,179	$	(3,369)	$	310,585	$	(2,700)	$	682,764	$	(6,069)

Schedule of net investment income

Net investment income consists of:

	Year Ended December 31,
(In thousands)	2020		2019		2018
Fixed maturities	$	83,313	$	82,194	$	63,053
Short-term investments	1,669		5,049		3,873
Gross investment income	84,982		87,243		66,926
Investment expenses	(4,895)		(3,701)		(2,835)
Net investment income	$	80,087	$	83,542	$	64,091

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Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Schedule of accounts receivable

Accounts receivable consists of the following at December 31:

(In thousands)	2020		2019
Premiums receivable	$	46,974	$	39,084
Other receivables	3,166		1,571
Total accounts receivable	50,140		40,655
Less: Allowance for doubtful accounts	—		—
Accounts receivable, net	$	50,140	$	40,655

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Reinsurance (Tables)

12 Months Ended

Dec. 31, 2020

Reinsurance Disclosures [Abstract]

Schedule of effects of reinsurance

The effect of reinsurance on net premiums written and earned is as follows: 

	Year Ended December 31,
(In thousands)	2020		2019		2018
Net premiums written:
Direct	$	922,851	$	796,344	$	696,055
Ceded (1)	(88,738)		(35,499)		(10,768)
Net premiums written	$	834,113	$	760,845	$	685,287
Net premiums earned:
Direct	$	951,302	$	812,924	$	660,260
Ceded (1)	(88,738)		(35,499)		(10,768)
Net premiums earned	$	862,564	$	777,425	$	649,492

_______________________________________________________________________________

(1)Net of profit commission.

Schedule of coverages and retentions

The following tables summarizes Essent Guaranty's excess of loss reinsurance agreements as of December 31, 2020:

Vintage Year	Reinsurer	Effective Date	Optional Termination Date
2015 & 2016	Radnor Re 2019-2 Ltd.	June 20, 2019	June 25, 2024
2017	Radnor Re 2018-1 Ltd.	March 22, 2018	March 25, 2023	(1)
2017	Panel of Reinsurers	November 1, 2018	October 1, 2023	(2)
2018	Radnor Re 2019-1 Ltd.	February 28, 2019	February 25, 2026
2018	Panel of Reinsurers	February 28, 2019	February 25, 2026
2019	Radnor Re 2020-1 Ltd.	January 30, 2020	January 25, 2027
2019	Panel of Reinsurers	January 30, 2020	January 25, 2027
2019 & 2020	Radnor Re 2020-2 Ltd.	October 8, 2020	October 25, 2027

_______________________________________________________________________________

(1)If the reinsurance agreement is not terminated at the optional termination date, the risk margin component of the reinsurance premium increases by 50%.

(2)If the reinsurance agreement is not terminated at the optional termination date, the reinsurance premium increases by 50%.

The following table summarizes Essent Guaranty's excess of loss reinsurance coverages and retentions as of December 31, 2020:

(In thousands)					Remaining Reinsurance in Force
Vintage Year	Remaining Insurance in Force		Remaining Risk in Force		ILN		Other Reinsurance			Total		Remaining First Layer Retention
2015 & 2016	$	16,329,165	$	4,411,094	$	216,480	$	—		$	216,480	$	207,787
2017	15,856,384		4,052,481		242,123		165,167		(5)	407,290		218,838
2018	18,295,450		4,646,734		325,537		76,144		(6)	401,681		251,262
2019 (3)	22,137,416		5,643,954		495,889		55,102		(7)	550,991		215,509
2019 & 2020 (4)	48,570,459		12,141,563		399,159		—			399,159		465,690
Total	$	121,188,874	$	30,895,826	$	1,679,188	$	296,413		$	1,975,601	$	1,359,086

_______________________________________________________________________________

(3)Reinsurance coverage on new insurance written from January 1, 2019 through August 31, 2019.

(4)Reinsurance coverage on new insurance written from September 1, 2019 through July 31, 2020.

(5)Coverage provided immediately above the coverage provided by Radnor Re 2018-1 Ltd.

(6)Coverage provided pari-passu to the coverage provided by Radnor Re 2019-1 Ltd.

(7)Coverage provided pari-passu to the coverage provided by Radnor Re 2020-1 Ltd.

Schedule of VIE assets and total maximum exposure to loss

The following table presents total assets of each Radnor Re special purpose insurer as well as our maximum exposure to loss associated with each Radnor Re entity, representing the fair value of the embedded derivatives, using observable inputs in active markets (Level 2), included in other assets (other accrued liabilities) on our consolidated balance sheet and the estimated net present value of investment earnings on the assets in the reinsurance trusts, each as of December 31, 2020:

			Maximum Exposure to Loss
(In thousands)	Total VIE Assets		On - Balance Sheet		Off - Balance Sheet		Total
Radnor Re 2018-1 Ltd.	$	242,123	$	462	$	32	$	494
Radnor Re 2019-1 Ltd.	325,537		(2,071)		56		(2,015)
Radnor Re 2019-2 Ltd.	216,480		(1,509)		26		(1,483)
Radnor Re 2020-1 Ltd.	495,889		(1,046)		123		(923)
Radnor Re 2020-2 Ltd.	399,159		(181)		109		(72)
Total	$	1,679,188	$	(4,345)	$	346	$	(3,999)

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Reserve for Losses and Loss Adjustment Expenses (Tables)

12 Months Ended

Dec. 31, 2020

Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]

Schedule of reconciliation of beginning and ending reserve balances for losses and loss adjustment expenses (LAE)

The following table provides a reconciliation of the beginning and ending reserve balances for losses and loss adjustment expenses ("LAE") for the years ended December 31:

($ in thousands)	2020		2019		2018
Reserve for losses and LAE at beginning of year	$	69,362	$	49,464	$	46,850
Less: Reinsurance recoverables	71		—		—
Net reserve for losses and LAE at beginning of year	69,291		49,464		46,850
Add provision for losses and LAE, net of reinsurance, occurring in:
Current year	317,516		50,562		36,438
Prior years	(16,223)		(17,576)		(24,863)
Net incurred losses and LAE during the current year	301,293		32,986		11,575
Deduct payments for losses and LAE, net of reinsurance, occurring in:
Current year	1,018		1,288		1,310
Prior years	13,686		11,871		7,651
Net loss and LAE payments during the current year	14,704		13,159		8,961
Net reserve for losses and LAE at end of year	355,880		69,291		49,464
Plus: Reinsurance recoverables	19,061		71		—
Reserve for losses and LAE at end of year	$	374,941	$	69,362	$	49,464
Loans in default at end of year	31,469		5,947		4,024

The following table summarizes incurred loss and allocated loss adjustment expense development, IBNR plus expected development on reported defaults and the cumulative number of reported defaults. The information about incurred loss development for the years ended December 31, 2011 to 2019 is presented as supplementary information.

	Incurred Loss and Allocated LAE, For the Years Ended December 31,																				As of December 31, 2020
($ in thousands)																					Total of IBNR plus Expected Development on Reported Defaults		Cumulative Number of Reported Defaults (1)
	Unaudited
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	57	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	1
2012			1,523		858		814		781		748		809		808		808		808		—		19
2013					2,986		2,461		2,008		1,997		2,060		2,058		2,058		2,058		—		51
2014							6,877		4,312		3,323		2,984		2,930		2,897		2,882		1		92
2015									14,956		9,625		8,893		8,439		8,461		8,323		18		214
2016											21,889		11,890		9,455		9,219		8,972		45		252
2017													38,178		16,261		12,202		11,488		85		365
2018															36,438		23,168		19,536		424		606
2019																	50,562		39,085		2,151		1,551
2020																			317,516		23,023		29,834
Total																			$	410,668
(1) Cumulative number of reported defaults includes cumulative paid claims plus loans in default by accident year as of December 31, 2020.

The following table summarizes cumulative paid losses and allocated loss adjustment expenses, net of reinsurance. The information about paid loss development for the years ended December 31, 2011 through 2019 is presented as supplementary information.

($ in thousands)	Cumulative Paid Losses and Allocated LAE For the Years Ended December 31,
	Unaudited
Accident Year	2011		2012		2013		2014		2015		2016		2017		2018		2019		2020
2011	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
2012			24		535		659		665		665		808		808		808		808
2013					239		928		1,501		1,775		1,880		2,058		2,058		2,058
2014							138		1,587		2,463		2,787		2,897		2,882		2,867
2015									544		3,610		6,960		7,535		7,961		8,055
2016											927		4,896		6,947		7,864		8,270
2017													633		5,370		9,156		10,257
2018															1,310		8,067		13,406
2019																	1,288		8,049
2020																			1,018
Total																			$	54,788
All outstanding liabilities before 2011, net of reinsurance																			—
Reserve for losses and LAE, net of reinsurance																			$	355,880

The following table provides a reconciliation of the net incurred losses and paid claims development tables above to the reserve for losses and LAE at December 31, 2020:

($ in thousands)	December 31, 2020
Reserve for losses and LAE, net of reinsurance	$	355,880
Reinsurance recoverables on unpaid claims	19,061
Total gross reserve for losses and LAE	$	374,941

For our mortgage insurance portfolio, our average annual payout of losses as of December 31, 2020 is as follows:

Average Annual Percentage Payout of Incurred Losses and Allocated LAE by Year
Year	1		2		3		4		5		6		7		8		9
Average Payout	6	%	40	%	28	%	9	%	4	%	7	%	0	%	0	%	0	%

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of lease cost and other information

The following table presents lease cost and other lease information as of and for the years ended December 31:

	Year Ended December 31,
($ in thousands)	2020			2019
Lease cost:
Operating lease cost	$	2,532		$	2,479
Short-term lease cost	19			101
Sublease income	(131)			(129)
Total lease cost	$	2,420		$	2,451
Other information:
Weighted average remaining lease term - operating leases	3.8 years			4.8 years
Weighted average discount rate - operating leases	3.9		%	4.0		%

Schedule of lease liability maturity

The following table presents a maturity analysis of our lease liabilities as follows at December 31, 2020:

Year Ended December 31 (In thousands)
2021	$	3,261
2022	3,309
2023	3,017
2024	1,334
2025	793
2026 and thereafter	—
Total lease payments to be paid	11,714
Less: Future interest expense	(864)
Present value of lease liabilities	$	10,850

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Capital Stock (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Summary of dividends declared and paid

In each subsequent quarter, we declared and paid quarterly cash dividends on our common shares. The following table presents the amounts declared and paid per common share each quarter:

Quarter Ended	2020		2019
March 31	$	0.16	$	—
June 30	0.16		—
September 30	0.16		0.15
December 31	0.16		0.15
Total dividends per common share declared and paid	$	0.64	$	0.30

In February 2021, the Board of Directors declared a quarterly cash dividend of $0.16 per common share payable on March 19, 2021, to shareholders of record on March 10, 2021.

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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of portion of nonvested common shares earned based upon achievement of compounded annual book value per share growth

The portion of the nonvested performance-based share awards that will be earned based upon the achievement of compounded annual book value per share growth is as follows:

	2017 Performance-Based Grants				2016 Performance-Based Grants				2013, 2014 and 2015 Performance-Based Grants
Performance level	Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned
	<16	%	0	%	<13	%	0	%	<11	%	0	%
Threshold	16	%	25	%	13	%	25	%	11	%	10	%
	17	%	50	%	14	%	50	%	12	%	36	%
	18	%	75	%	15	%	75	%	13	%	61	%
									14	%	87	%
Maximum	≥19	%	100	%	≥16	%	100	%	≥15	%	100	%

	2020 Performance-Based Grants				2019 Performance-Based Grants				2018 Performance-Based Grants
Performance level	Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned		Compounded Annual Book Value Per Share Growth		Nonvested Common Shares Earned
	<13	%	0	%	<14	%	0	%	<15	%	0	%
Threshold	13	%	10	%	14	%	10	%	15	%	25	%
	14	%	35	%	15	%	35	%	16	%	50	%
	15	%	60	%	16	%	60	%	17	%	75	%
	16	%	85	%	17	%	85	%
Maximum	≥17	%	100	%	≥18	%	100	%	≥18	%	100	%

Summary of nonvested common share and nonvested common share unit activity

The following tables summarize nonvested common share, nonvested common share unit and DEU activity for the year ended December 31:

	2020
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units			DEUs
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value		Dividend Equivalent Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	394	$	42.02	169	$	41.31	351	$	39.78	5	$	51.11
Granted	109	51.52		69	51.52		350	48.75		19	35.42
Vested	(140)	36.29		(85)	40.47		(192)	37.76		(3)	49.79
Forfeited	—	N/A		—	N/A		(17)	50.04		—	33.86
Outstanding at end of year	363	$	47.09	153	$	46.34	492	$	46.59	21	$	37.66

	2019
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units			DEUs
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value		Dividend Equivalent Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	482	$	29.49	207	$	32.82	449	$	34.35	—	N/A
Granted	141	45.32		90	40.98		143	42.08		5	$	51.09
Vested	(229)	17.69		(128)	27.37		(232)	30.85		—	48.63
Forfeited	—	N/A		—	N/A		(9)	35.53		—	49.27
Outstanding at end of year	394	$	42.02	169	$	41.31	351	$	39.78	5	$	51.11

	2018
	Time and Performance- Based Share Awards			Time-Based Share Awards			Share Units
(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value		Number of Share Units	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	1,595	$	17.03	410	$	21.12	536	$	29.13
Granted	113	45.02		73	45.02		161	42.19
Vested	(1,226)	14.71		(276)	18.67		(238)	28.02
Forfeited	—	N/A		—	N/A		(10)	31.59
Outstanding at end of year	482	$	29.49	207	$	32.82	449	$	34.35

Schedule of compensation expense, net of forfeitures, and related tax effects recognized in connection with nonvested shares

Compensation expense, net of forfeitures, and related tax effects recognized in connection with nonvested shares and share units were as follows for the years ended December 31:

(In thousands)	2020		2019		2018
Compensation expense	$	18,462	$	16,588	$	15,073
Income tax benefit	3,511		3,125		2,805

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of components of income tax expense

Income tax expense which is generated in the U.S. consists of the following components for the years ended December 31:

(In thousands)	2020		2019		2018
Current	$	38,402	$	43,867	$	28,644
Deferred	38,653		59,481		50,692
Total income tax expense	$	77,055	$	103,348	$	79,336

Schedule of reconciliation of difference between income tax expense and expected tax provision at weighted average tax rate

The reconciliation of the difference between income tax expense and the expected tax provision at the weighted average tax rate was as follows for the years ended December 31:

	2020				2019				2018
($ in thousands)	$		% of pretax income		$		% of pretax income		$		% of pretax income
Tax provision at weighted average statutory rates	$	75,763	15.5	%	$	104,213	15.8	%	$	87,815	16.1	%
Non-deductible expenses	2,482		0.5		2,595		0.4		1,483		0.3
Tax exempt interest, net of proration	(1,462)		(0.3)		(1,541)		(0.2)		(1,741)		(0.3)
Excess tax benefits from stock-based compensation	(599)		(0.1)		(1,997)		(0.3)		(9,644)		(1.8)
Other	871		0.1		78		0.0		1,423		0.2
Total income tax expense	$	77,055	15.7	%	$	103,348	15.7	%	$	79,336	14.5	%

Schedule of net deferred tax (liability) asset and components

The net deferred tax liability was comprised of the following at December 31:

(In thousands)	2020		2019
Deferred tax assets	$	29,577	$	29,392
Deferred tax liabilities	(334,686)		(279,012)
Net deferred tax liability	$	(305,109)	$	(249,620)

The components of the net deferred tax liability were as follows at December 31:

(In thousands)	2020		2019
Contingency reserves	$	(300,281)	$	(261,855)
Unrealized (gain) loss on investments	(30,050)		(13,214)
Unearned premium reserve	15,192		16,641
Accrued expenses	4,202		3,391
Deferred policy acquisition costs	(3,571)		(3,298)
Unearned ceding commissions	2,951		3,227
Loss reserves	2,529		416
Nonvested shares	1,767		2,426
Start-up expenditures, net	1,137		1,410
Change in fair market value of derivatives	912		370
Fixed assets	880		1,502
Investments in limited partnerships	(561)		(400)
Prepaid expenses	(129)		(132)
Loss reserves - TCJA transition adjustment	(94)		(113)
Organizational expenditures	7		9
Net deferred tax liability	$	(305,109)	$	(249,620)

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Earnings per Share (EPS) (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of reconciliation of net income and weighted average common shares outstanding used in computations of basic and diluted earnings per common share

The following table reconciles the net income and the weighted average common shares outstanding used in the computations of basic and diluted earnings per common share for the years ended December 31:

(In thousands, except per share amounts)	2020		2019		2018
Net income	$	413,041	$	555,713	$	467,363
Basic weighted average shares outstanding	106,098		97,762		97,403
Dilutive effect of nonvested shares	278		465		571
Diluted weighted average shares outstanding	106,376		98,227		97,974
Basic earnings per share	$	3.89	$	5.68	$	4.80
Diluted earnings per share	$	3.88	$	5.66	$	4.77

Disclosure of share-based compensation arrangements by share-based payment award

Based on the compounded annual book value per share growth as of December 31, 2020, the following percentages of the performance-based share awards would be issuable under the terms of the arrangements if December 31, 2020 was the end of the contingency period:

2018 Performance-Based Grants	100	%
2019 Performance-Based Grants	100	%
2020 Performance-Based Grants	25	%

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Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2020

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Rollforward of accumulated other comprehensive income (loss)

The following table shows the rollforward of accumulated other comprehensive income (loss) for the year ended December 31:

	2020						2019
(In thousands)	Before Tax		Tax Effect		Net of Tax		Before Tax		Tax Effect		Net of Tax
Balance at beginning of year	$	69,401	$	(13,214)	$	56,187	$	(33,276)	$	4,283	$	(28,993)
Other comprehensive income (loss):
Unrealized holding gains (losses) on investments:
Unrealized holding gains arising during the year	101,620		(17,286)		84,334		105,906		(17,995)		87,911
Less: Reclassification adjustment for gains included in net income (1)	(2,697)		450		(2,247)		(3,229)		498		(2,731)
Net unrealized gains on investments	98,923		(16,836)		82,087		102,677		(17,497)		85,180
Other comprehensive gain	98,923		(16,836)		82,087		102,677		(17,497)		85,180
Balance at end of year	$	168,324	$	(30,050)	$	138,274	$	69,401	$	(13,214)	$	56,187

_______________________________________________________________________________

(1)Included in net realized investments gains on our consolidated statements of comprehensive income.

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Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair vale on a recurring basis

All assets measured at fair value are categorized in the table below based upon the lowest level of significant input to the valuations. All fair value measurements at the reporting date were on a recurring basis.

December 31, 2020 (In thousands)	Quoted Prices in Active  Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Recurring fair value measurements
Financial Assets:
U.S. Treasury securities	$	268,444	$	—	$	—	$	268,444
U.S. agency securities	—		18,085		—		18,085
U.S. agency mortgage-backed securities	—		995,905		—		995,905
Municipal debt securities	—		551,517		—		551,517
Non-U.S. government securities	—		61,607		—		61,607
Corporate debt securities	—		1,126,512		—		1,126,512
Residential and commercial mortgage securities	—		409,282		—		409,282
Asset-backed securities	—		454,717		—		454,717
Money market funds	679,304		—		—		679,304
Total assets at fair value (1)	$	947,748	$	3,617,625	$	—	$	4,565,373

December 31, 2019 (In thousands)	Quoted Prices in Active  Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Recurring fair value measurements
Financial Assets:
U.S. Treasury securities	$	242,206	$	—	$	—	$	242,206
U.S. agency securities	—		33,605		—		33,605
U.S. agency mortgage-backed securities	—		848,334		—		848,334
Municipal debt securities	—		361,638		—		361,638
Non-U.S. government securities	—		54,995		—		54,995
Corporate debt securities	—		880,301		—		880,301
Residential and commercial mortgage securities	—		288,281		—		288,281
Asset-backed securities	—		326,025		—		326,025
Money market funds	315,362		—		—		315,362
Total assets at fair value (1)	$	557,568	$	2,793,179	$	—	$	3,350,747

_______________________________________________________________________________

(1)Does not include the fair value of embedded derivatives, which we have accounted for separately as freestanding derivatives and included in other assets or other accrued liabilities in our consolidated balance sheet. See Note 5 for more information.

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Statutory Accounting (Tables)

12 Months Ended

Dec. 31, 2020

Insurance [Abstract]

Schedule of statutory net income, statutory surplus and contingency reserve liability

The following table presents Essent Guaranty’s and Essent PA’s statutory net income, statutory surplus and contingency reserve liability as of and for the years ended December 31:

(In thousands)	2020		2019		2018
Essent Guaranty
Statutory net income	$	312,091	$	443,675	$	379,119
Statutory surplus	1,048,878		1,032,416		872,105
Contingency reserve liability	1,499,782		1,197,279		916,568
Essent PA
Statutory net income	$	4,560	$	8,073	$	9,306
Statutory surplus	54,354		52,936		49,336
Contingency reserve liability	56,032		52,957		48,545

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Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Summary of unaudited quarterly results of operations

The following table summarizes the unaudited results of operations for each quarter of 2020 and 2019.

	2020
(In thousands, except per share amounts)	December 31		September 30		June 30		March 31
Net premiums earned	$	222,339	$	222,258	$	211,471	$	206,496
Other revenues	24,860		20,780		24,606		22,344
Provision for losses and LAE	62,073		55,280		175,877		8,063
Other underwriting and operating expenses	36,825		37,100		38,819		41,947
Interest expense	2,149		2,227		2,566		2,132
Income before income taxes	146,152		148,431		18,815		176,698
Net income	123,602		124,536		15,380		149,523
Basic earnings per common share	$	1.10	$	1.11	$	0.15	$	1.53
Diluted earnings per common share	$	1.10	$	1.11	$	0.15	$	1.52
Basic weighted average shares outstanding	111,908		111,908		102,500		97,949
Diluted weighted average shares outstanding	112,310		112,134		102,605		98,326

	2019
(In thousands, except per share amounts)	December 31		September 30		June 30		March 31
Net premiums earned	$	207,671	$	203,473	$	188,490	$	177,791
Other revenues	21,091		22,914		23,402		22,735
Provision for losses and LAE	10,929		9,990		4,960		7,107
Other underwriting and operating expenses	41,231		41,588		41,520		41,030
Interest expense	2,218		2,584		2,679		2,670
Income before income taxes	174,384		172,225		162,733		149,719
Net income	146,958		144,630		136,405		127,720
Basic earnings per common share	$	1.50	$	1.48	$	1.39	$	1.31
Diluted earnings per common share	$	1.49	$	1.47	$	1.39	$	1.30
Basic weighted average shares outstanding	97,830		97,822		97,798		97,595
Diluted weighted average shares outstanding	98,376		98,257		98,170		98,104

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Nature of Operations and Basis of Presentation (Details) - state	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Residential mortgage down payment percentage for which mortgage insurance is generally required (less than)		20.00%
Essent Guaranty
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of states in which the entity is licensed to write mortgage insurance		50
Affiliated Entity | Essent Re | Quota share reinsurance
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Reinsurance percentage		25.00%
Affiliated Entity | Essent PA | Reinsurance for mortgage insurance coverage in excess of 25%
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Reinsurance for mortgage insurance coverage threshold	25.00%

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Summary of Significant Accounting Policies - Long-Lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Long-Lived Assets
Cost	$ 67,354	$ 64,908
Accumulated Depreciation/ Amortization	$ (60,967)	(57,639)
Furniture and fixtures
Long-Lived Assets
Estimated useful lives	5 years
Cost	$ 2,220	2,148
Accumulated Depreciation/ Amortization	$ (2,068)	(2,017)
Equipment, computer hardware and purchased software | Minimum
Long-Lived Assets
Estimated useful lives	2 years
Equipment, computer hardware and purchased software | Maximum
Long-Lived Assets
Estimated useful lives	3 years
Office equipment
Long-Lived Assets
Cost	$ 848	848
Accumulated Depreciation/ Amortization	(772)	(700)
Computer hardware
Long-Lived Assets
Cost	10,282	9,764
Accumulated Depreciation/ Amortization	(8,987)	(7,728)
Purchased software
Long-Lived Assets
Cost	38,434	37,909
Accumulated Depreciation/ Amortization	$ (37,404)	(36,716)
Costs of internal-use software
Long-Lived Assets
Estimated useful lives	3 years
Cost	$ 10,783	9,595
Accumulated Depreciation/ Amortization	(8,959)	(8,185)
Leasehold improvements
Long-Lived Assets
Cost	4,787	4,644
Accumulated Depreciation/ Amortization	$ (2,777)	$ (2,293)

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Summary of Significant Accounting Policies - Deferred Policy Acquisition Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Deferred Policy Acquisition Costs
Policy acquisition costs deferred	$ 10.1	$ 7.8	$ 7.4
Other underwriting and operating expenses
Deferred Policy Acquisition Costs
Amortization of deferred policy acquisition costs	$ 8.8	$ 8.1	$ 6.7

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Summary of Significant Accounting Policies - Insurance Premium Revenue Recognition (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Earned premiums from mortgage guaranty insurance monthly policies as a percentage of total earned premiums	84.00%
Threshold coverage period for single premium primary mortgage insurance policies (more than)	1 year
Unearned single premium recognized as earned upon notice of policy cancellation due to repayment of insured loan by borrower	$ 88.9	$ 42.5

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Summary of Significant Accounting Policies - Reserve for Losses and Loss Adjustment Expense and Premium Deficiency Reserve (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) payment	Dec. 31, 2019 USD ($)
Reserve for Losses and Loss Adjustment Expenses
Number of consecutive missed loan payments by borrower for classification of insured loan as in default | payment	2
Premium Deficiency Reserve
Premium deficiency reserve | $	$ 0	$ 0

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Investments - Summary of Available for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 4,404,690	$ 3,282,585
Unrealized Gains	164,423	74,231
Unrealized Losses	(3,740)	(6,069)
Fair Value	4,565,373	3,350,747
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	259,378	239,087
Unrealized Gains	9,088	3,526
Unrealized Losses	(22)	(407)
Fair Value	268,444	242,206
U.S. agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	17,930	33,620
Unrealized Gains	155	36
Unrealized Losses	0	(51)
Fair Value	18,085	33,605
U.S. agency mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	963,670	836,710
Unrealized Gains	33,205	13,956
Unrealized Losses	(970)	(2,332)
Fair Value	995,905	848,334
Municipal debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	513,870	339,511
Unrealized Gains	37,662	22,245
Unrealized Losses	(15)	(118)
Fair Value	551,517	361,638
Non-U.S. government securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	56,045	52,230
Unrealized Gains	5,562	2,812
Unrealized Losses	0	(47)
Fair Value	61,607	54,995
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,070,027	856,638
Unrealized Gains	56,864	24,255
Unrealized Losses	(379)	(592)
Fair Value	1,126,512	880,301
Residential and commercial mortgage securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	391,921	282,840
Unrealized Gains	18,641	6,542
Unrealized Losses	(1,280)	(1,101)
Fair Value	409,282	288,281
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	452,527	326,589
Unrealized Gains	3,246	857
Unrealized Losses	(1,056)	(1,421)
Fair Value	454,717	326,025
Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	679,322	315,360
Unrealized Gains	0	2
Unrealized Losses	(18)	0
Fair Value	$ 679,304	$ 315,362

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Investments - Summary of Municipal Debt Securities and Corporate Debt Securities (Details)	Dec. 31, 2020	Dec. 31, 2019
Municipal debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	100.00%	100.00%
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	100.00%	100.00%
Special revenue bonds | Municipal debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	76.80%	74.50%
General obligation bonds | Municipal debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	20.30%	21.30%
Certificate of participation bonds | Municipal debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	2.30%	3.40%
Tax allocation bonds | Municipal debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	0.60%	0.80%
Financial | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	34.90%	34.40%
Consumer, non-cyclical | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	19.10%	20.10%
Communications | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	9.30%	10.30%
Energy | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	8.20%	8.30%
Consumer, cyclical | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	8.00%	7.60%
Technology | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	6.10%	4.80%
Utilities | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	5.90%	6.20%
Industrial | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	5.30%	4.20%
Basic materials | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	3.10%	4.10%
Government | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Percentage of debt securities	0.10%	0.00%

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Investments - Summary of Available For Sale Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Amortized Cost
Amortized Cost	$ 4,404,690	$ 3,282,585
Fair Value
Fair Value	4,565,373	3,350,747
U.S. Treasury securities
Amortized Cost
Due in 1 year	78,956
Due after 1 but within 5 years	130,312
Due after 5 but within 10 years	49,125
Due after 10 years	985
Subtotal	259,378
Amortized Cost	259,378	239,087
Fair Value
Due in 1 year	79,335
Due after 1 but within 5 years	134,802
Due after 5 but within 10 years	53,165
Due after 10 years	1,142
Subtotal	268,444
Fair Value	268,444	242,206
U.S. agency securities
Amortized Cost
Due in 1 year	8,906
Due after 1 but within 5 years	9,024
Subtotal	17,930
Amortized Cost	17,930	33,620
Fair Value
Due in 1 year	8,958
Due after 1 but within 5 years	9,127
Subtotal	18,085
Fair Value	18,085	33,605
Municipal debt securities
Amortized Cost
Due in 1 year	6,881
Due after 1 but within 5 years	91,122
Due after 5 but within 10 years	235,030
Due after 10 years	180,837
Subtotal	513,870
Amortized Cost	513,870	339,511
Fair Value
Due in 1 year	6,892
Due after 1 but within 5 years	95,567
Due after 5 but within 10 years	254,387
Due after 10 years	194,671
Subtotal	551,517
Fair Value	551,517	361,638
Non-U.S. government securities
Amortized Cost
Due in 1 year	0
Due after 1 but within 5 years	22,710
Due after 5 but within 10 years	24,246
Due after 10 years	9,089
Subtotal	56,045
Amortized Cost	56,045	52,230
Fair Value
Due in 1 year	0
Due after 1 but within 5 years	24,257
Due after 5 but within 10 years	27,680
Due after 10 years	9,670
Subtotal	61,607
Fair Value	61,607	54,995
Corporate debt securities
Amortized Cost
Due in 1 year	148,292
Due after 1 but within 5 years	576,987
Due after 5 but within 10 years	322,649
Due after 10 years	22,099
Subtotal	1,070,027
Amortized Cost	1,070,027	856,638
Fair Value
Due in 1 year	149,617
Due after 1 but within 5 years	602,286
Due after 5 but within 10 years	350,632
Due after 10 years	23,977
Subtotal	1,126,512
Fair Value	1,126,512	880,301
U.S. agency mortgage-backed securities
Amortized Cost
Amortized Cost	963,670	836,710
Fair Value
Fair Value	995,905	848,334
Residential and commercial mortgage securities
Amortized Cost
Amortized Cost	391,921	282,840
Fair Value
Fair Value	409,282	288,281
Asset-backed securities
Amortized Cost
Amortized Cost	452,527	326,589
Fair Value
Fair Value	454,717	326,025
Money market funds
Amortized Cost
Amortized Cost	679,322	315,360
Fair Value
Fair Value	$ 679,304	$ 315,362

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Investments - Summary of Realized Gain and Loss and Investments in Unrealized Loss Position (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) security	Dec. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($)
Debt Securities, Available-for-sale [Line Items]
Realized gross gains	$ 5,608,000	$ 5,238,000	$ 2,201,000
Realized gross losses	2,482,000	1,746,000	883,000
Fair Value
Less than 12 months	614,451,000	372,179,000
12 months or more	78,420,000	310,585,000
Total	692,871,000	682,764,000
Gross Unrealized Losses
Less than 12 months	(2,618,000)	(3,369,000)
12 months or more	(1,122,000)	(2,700,000)
Total	$ (3,740,000)	$ (6,069,000)
Other Information
Number of investment securities in unrealized loss position | security	363	365
Other-than-temporary impairment	$ 400,000	$ 300,000	$ 0
Other invested assets	88,904,000	78,873,000
Fair value of investments deposited with insurance regulatory authorities to meet statutory requirements	$ 9,700,000	9,400,000
Internal Investment Grade | Securities | Credit Concentration Risk
Other Information
Concentration risk, percentage	98.00%
Essent Re
Other Information
Fair value of the required investments on deposit in trusts	$ 1,100,000,000	805,500,000
Essent Guaranty
Other Information
Assets on deposit under reinsurance agreement	8,500,000	6,400,000
Assets on deposit for the benefit of the sponsor	12,000,000.0	6,400,000
U.S. Treasury securities
Fair Value
Less than 12 months	28,776,000	29,013,000
12 months or more	0	42,981,000
Total	28,776,000	71,994,000
Gross Unrealized Losses
Less than 12 months	(22,000)	(331,000)
12 months or more	0	(76,000)
Total	(22,000)	(407,000)
U.S. agency securities
Fair Value
Less than 12 months		0
12 months or more		25,605,000
Total		25,605,000
Gross Unrealized Losses
Less than 12 months		0
12 months or more		(51,000)
Total		(51,000)
U.S. agency mortgage-backed securities
Fair Value
Less than 12 months	152,671,000	101,684,000
12 months or more	3,007,000	113,866,000
Total	155,678,000	215,550,000
Gross Unrealized Losses
Less than 12 months	(924,000)	(1,042,000)
12 months or more	(46,000)	(1,290,000)
Total	(970,000)	(2,332,000)
Municipal debt securities
Fair Value
Less than 12 months	3,838,000	10,651,000
12 months or more	0	624,000
Total	3,838,000	11,275,000
Gross Unrealized Losses
Less than 12 months	(15,000)	(112,000)
12 months or more	0	(6,000)
Total	(15,000)	(118,000)
Non-U.S. government securities
Fair Value
Less than 12 months		9,664,000
12 months or more		0
Total		9,664,000
Gross Unrealized Losses
Less than 12 months		(47,000)
12 months or more		0
Total		(47,000)
Corporate debt securities
Fair Value
Less than 12 months	141,803,000	83,013,000
12 months or more	0	14,531,000
Total	141,803,000	97,544,000
Gross Unrealized Losses
Less than 12 months	(379,000)	(576,000)
12 months or more	0	(16,000)
Total	(379,000)	(592,000)
Residential and commercial mortgage securities
Fair Value
Less than 12 months	63,203,000	59,341,000
12 months or more	9,516,000	3,442,000
Total	72,719,000	62,783,000
Gross Unrealized Losses
Less than 12 months	(777,000)	(1,059,000)
12 months or more	(503,000)	(42,000)
Total	(1,280,000)	(1,101,000)
Asset-backed securities
Fair Value
Less than 12 months	124,165,000	78,813,000
12 months or more	65,897,000	109,536,000
Total	190,062,000	188,349,000
Gross Unrealized Losses
Less than 12 months	(483,000)	(202,000)
12 months or more	(573,000)	(1,219,000)
Total	(1,056,000)	$ (1,421,000)
Money market funds
Fair Value
Less than 12 months	99,995,000
12 months or more	0
Total	99,995,000
Gross Unrealized Losses
Less than 12 months	(18,000)
12 months or more	0
Total	$ (18,000)

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Investments - Net Investment Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Components of net investment income
Gross investment income	$ 84,982	$ 87,243	$ 66,926
Investment expenses	(4,895)	(3,701)	(2,835)
Net investment income	80,087	83,542	64,091
Fixed maturities
Components of net investment income
Gross investment income	83,313	82,194	63,053
Short-term investments
Components of net investment income
Gross investment income	$ 1,669	$ 5,049	$ 3,873

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Accounts Receivable (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable
Premiums receivable	$ 46,974,000	$ 39,084,000
Other receivables	3,166,000	1,571,000
Total accounts receivable	50,140,000	40,655,000
Less: Allowance for doubtful accounts	0	0
Accounts receivable, net	50,140,000	40,655,000
Provision for doubtful accounts	$ 0	$ 0	$ 0
Premiums receivable
Accounts Receivable
Threshold period unpaid for write-off of mortgage insurance premiums (more than)	90 days

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Reinsurance - Effect on Net Premiums Written and Earned (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net premiums written:
Direct									$ 922,851	$ 796,344	$ 696,055
Ceded									(88,738)	(35,499)	(10,768)
Net premiums written									834,113	760,845	685,287
Net premiums earned:
Direct									951,302	812,924	660,260
Ceded									(88,738)	(35,499)	(10,768)
Net premiums earned	$ 222,339	$ 222,258	$ 211,471	$ 206,496	$ 207,671	$ 203,473	$ 188,490	$ 177,791	$ 862,564	$ 777,425	$ 649,492

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Reinsurance - Quota Share Reinsurance (Details) - Quota Share Reinsurance - USD ($) $ in Billions		12 Months Ended
	Sep. 01, 2019	Dec. 31, 2022	Dec. 31, 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Net [Abstract]
Ceded premiums earned related to percent of risk on eligible single premium policies	40.00%
Ceded premiums earned related to percent of risk on all other eligible policies written	20.00%
Ceding commission	20.00%
Profit commission, maximum	60.00%
Risk In force, ceded			$ 6.3
Forecast
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Net [Abstract]
Profit commission, maximum		63.00%

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Reinsurance - Excess of Loss Reinsurance (Details) - Mortgage Insurance	12 Months Ended
	Dec. 31, 2020
Essent Guaranty | Radnor Re | Variable Interest Entity
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Amortization period	10 years
Essent Guaranty | Other Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Amortization period	10 years
Radnor Re | Variable Interest Entity | Mortgage Insurance Linked Notes
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance debt issued to cover insurance term	10 years

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Reinsurance - Premium Details (Details) - 2017	Dec. 31, 2020
Radnor Re 2018-1 Ltd.
Effects of Reinsurance [Line Items]
Risk margin increase after optional termination date	50.00%
Panel of Reinsurers
Effects of Reinsurance [Line Items]
Reinsurance premium increase after options termination date	50.00%

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Reinsurance - Essent Guaranty's Excess of Loss Reinsurance Coverages and Retentions (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Insurance in Force	$ 121,188,874
Remaining Risk in Force	30,895,826
Remaining Reinsurance in Force	1,975,601
Remaining First Layer Retention	1,359,086
Radnor Entities
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	1,679,188
Other Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	296,413
2015 & 2016
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Insurance in Force	16,329,165
Remaining Risk in Force	4,411,094
Remaining Reinsurance in Force	216,480
Remaining First Layer Retention	207,787
2015 & 2016 | Radnor Re 2019-2 Ltd.
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	216,480
2015 & 2016 | Other Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	0
2017
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Insurance in Force	15,856,384
Remaining Risk in Force	4,052,481
Remaining Reinsurance in Force	407,290
Remaining First Layer Retention	218,838
2017 | Radnor Re 2018-1 Ltd.
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	242,123
2017 | Other Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	165,167
2018
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Insurance in Force	18,295,450
Remaining Risk in Force	4,646,734
Remaining Reinsurance in Force	401,681
Remaining First Layer Retention	251,262
2018 | Radnor Re 2019-1 Ltd.
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	325,537
2018 | Other Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	76,144
2019
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Insurance in Force	22,137,416
Remaining Risk in Force	5,643,954
Remaining Reinsurance in Force	550,991
Remaining First Layer Retention	215,509
2019 | Radnor Re 2020-1 Ltd.
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	495,889
2019 | Other Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	55,102
2019 & 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Insurance in Force	48,570,459
Remaining Risk in Force	12,141,563
Remaining Reinsurance in Force	399,159
Remaining First Layer Retention	465,690
2019 & 2020 | Radnor Re 2020-2 Ltd.
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	399,159
2019 & 2020 | Other Reinsurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Remaining Reinsurance in Force	$ 0

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Reinsurance - Summary of Total Assets and Maximum Exposure Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Total VIE Assets	$ 5,202,724	$ 3,873,425
Variable Interest Entity
Variable Interest Entity [Line Items]
Total VIE Assets	1,679,188
Maximum exposure to loss, on - balance sheet	(4,345)
Maximum exposure to loss, off - balance sheet	346
Maximum exposure to loss, total	(3,999)
Radnor Re 2018-1 Ltd. | Variable Interest Entity
Variable Interest Entity [Line Items]
Total VIE Assets	242,123
Maximum exposure to loss, on - balance sheet	462
Maximum exposure to loss, off - balance sheet	32
Maximum exposure to loss, total	494
Radnor Re 2019-1 Ltd. | Variable Interest Entity
Variable Interest Entity [Line Items]
Total VIE Assets	325,537
Maximum exposure to loss, on - balance sheet	(2,071)
Maximum exposure to loss, off - balance sheet	56
Maximum exposure to loss, total	(2,015)
Radnor Re 2019-2 Ltd. | Variable Interest Entity
Variable Interest Entity [Line Items]
Total VIE Assets	216,480
Maximum exposure to loss, on - balance sheet	(1,509)
Maximum exposure to loss, off - balance sheet	26
Maximum exposure to loss, total	(1,483)
Radnor Re 2020-1 Ltd. | Variable Interest Entity
Variable Interest Entity [Line Items]
Total VIE Assets	495,889
Maximum exposure to loss, on - balance sheet	(1,046)
Maximum exposure to loss, off - balance sheet	123
Maximum exposure to loss, total	(923)
Radnor Re 2020-2 Ltd. | Variable Interest Entity
Variable Interest Entity [Line Items]
Total VIE Assets	399,159
Maximum exposure to loss, on - balance sheet	(181)
Maximum exposure to loss, off - balance sheet	109
Maximum exposure to loss, total	$ (72)

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Reserve for Losses and Loss Adjustment Expenses - Reconciliation of Reserve Balances for Losses and Loss Adjustment Expense (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020 USD ($) loan	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) loan	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($)
Reconciliation of the beginning and ending reserve balances for losses and loss adjustment expenses (LAE)
Reserve for losses and LAE at beginning of year				$ 69,362				$ 49,464	$ 69,362	$ 49,464	$ 46,850
Less: Reinsurance recoverables	$ 19,061				$ 71				19,061	71	0	$ 0
Net reserve for losses and LAE at beginning of year				69,291				49,464	69,291	49,464	46,850
Add provision for losses and LAE, net of reinsurance, occurring in:
Current year									317,516	50,562	36,438
Prior years									(16,223)	(17,576)	(24,863)
Net incurred losses and LAE during the current year	62,073	$ 55,280	$ 175,877	$ 8,063	10,929	$ 9,990	$ 4,960	$ 7,107	301,293	32,986	11,575
Deduct payments for losses and LAE, net of reinsurance, occurring in:
Current year									1,018	1,288	1,310
Prior years									13,686	11,871	7,651
Net loss and LAE payments during the current year									14,704	13,159	8,961
Net reserve for losses and LAE at end of year	355,880				69,291				355,880	69,291	49,464
Plus: Reinsurance recoverables	19,061				71				19,061	71	0	$ 0
Reserve for losses and LAE at end of year	$ 374,941				$ 69,362				$ 374,941	$ 69,362	$ 49,464
Loans in default at end of year | loan	31,469				5,947				31,469	5,947	4,024

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Reserve for Losses and Loss Adjustment Expenses - Narrative (Details) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($) loan	Sep. 30, 2020	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($) loan
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred claims and claim adjustment expenses			$ 13,686	$ 11,871	$ 7,651
Favorable prior year development			16,223	17,576	$ 24,863
Reserve for losses and LAE, for prior years			$ 39,400	$ 20,000
Loans in default at end of year | loan	4,024		31,469	5,947	4,024
Reserve for losses and LAE	$ 49,464		$ 374,941	$ 69,362	$ 49,464	$ 46,850
Hurricane
Liability for Claims and Claims Adjustment Expense [Line Items]
Reserve for losses and LAE						$ 11,100
Number of loans in hurricane impacted areas in default | loan	2,288				2,288	2,288
Number of loans in hurricane impacted areas cured | loan					2,150
Reduction of reserves on hurricane-related defaults	$ 9,900
COVID-19
Liability for Claims and Claims Adjustment Expense [Line Items]
Loans in default at end of year | loan			28,922
Reserve rate		7.00%
Reserve for losses and LAE			$ 316,300
Percent change used in calculation of expense			1.00%
Effect of percentage point decrease on liability claim and claim expense adjustment expense			$ 35,000

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Reserve for Losses and Loss Adjustment Expenses - Summary of Incurred Losses and Allocated Loss Adjustment Expense (Details) $ in Thousands	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)
Liability for Claims and Claims Adjustment Expense [Line Items]
Cumulative paid losses and allocated LAE for the years ended December 31	$ 54,788
All outstanding liabilities before 2011, net of reinsurance	0
Reserve for losses and LAE, net of reinsurance	355,880	$ 69,291	$ 49,464	$ 46,850
Less: Reinsurance recoverables	19,061	71	0	0
Total gross reserve for losses and LAE	374,941	69,362	49,464	46,850
Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	410,668
2011 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	0	0	0	0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 57
Total of IBNR plus expected development on reported defaults	$ 0
Cumulative number of reported defaults | loan	1
Cumulative paid losses and allocated LAE for the years ended December 31	$ 0	0	0	0	0	0	0	0	0	$ 0
2012 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	808	808	808	809	748	781	814	858	1,523
Total of IBNR plus expected development on reported defaults	$ 0
Cumulative number of reported defaults | loan	19
Cumulative paid losses and allocated LAE for the years ended December 31	$ 808	808	808	808	665	665	659	535	$ 24
2013 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	2,058	2,058	2,058	2,060	1,997	2,008	2,461	2,986
Total of IBNR plus expected development on reported defaults	$ 0
Cumulative number of reported defaults | loan	51
Cumulative paid losses and allocated LAE for the years ended December 31	$ 2,058	2,058	2,058	1,880	1,775	1,501	928	$ 239
2014 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	2,882	2,897	2,930	2,984	3,323	4,312	6,877
Total of IBNR plus expected development on reported defaults	$ 1
Cumulative number of reported defaults | loan	92
Cumulative paid losses and allocated LAE for the years ended December 31	$ 2,867	2,882	2,897	2,787	2,463	1,587	$ 138
2015 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	8,323	8,461	8,439	8,893	9,625	14,956
Total of IBNR plus expected development on reported defaults	$ 18
Cumulative number of reported defaults | loan	214
Cumulative paid losses and allocated LAE for the years ended December 31	$ 8,055	7,961	7,535	6,960	3,610	$ 544
2016 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	8,972	9,219	9,455	11,890	21,889
Total of IBNR plus expected development on reported defaults	$ 45
Cumulative number of reported defaults | loan	252
Cumulative paid losses and allocated LAE for the years ended December 31	$ 8,270	7,864	6,947	4,896	$ 927
2017 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	11,488	12,202	16,261	38,178
Total of IBNR plus expected development on reported defaults	$ 85
Cumulative number of reported defaults | loan	365
Cumulative paid losses and allocated LAE for the years ended December 31	$ 10,257	9,156	5,370	$ 633
2018 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	19,536	23,168	36,438
Total of IBNR plus expected development on reported defaults	$ 424
Cumulative number of reported defaults | loan	606
Cumulative paid losses and allocated LAE for the years ended December 31	$ 13,406	8,067	$ 1,310
2019 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	39,085	50,562
Total of IBNR plus expected development on reported defaults	$ 2,151
Cumulative number of reported defaults | loan	1,551
Cumulative paid losses and allocated LAE for the years ended December 31	$ 8,049	$ 1,288
2020 | Property Insurance Product Line
Liability for Claims and Claims Adjustment Expense [Line Items]
Incurred loss and allocated LAE, for the years ended December 31	317,516
Total of IBNR plus expected development on reported defaults	$ 23,023
Cumulative number of reported defaults | loan	29,834
Cumulative paid losses and allocated LAE for the years ended December 31	$ 1,018

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Reserve for Losses and Loss Adjustment Expenses - Summary of Average Annual Payout of Losses (Details) - Property Insurance Product Line	Dec. 31, 2020
Average Annual Percentage Payout of Incurred Losses and Allocated LAE by Year
Year 1	6.00%
Year 2	40.00%
Year 3	28.00%
Year 4	9.00%
Year 5	4.00%
Year 6	7.00%
Year 7	0.00%
Year 8	0.00%
Year 9	0.00%

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Debt Obligations (Details) - USD ($) $ in Millions				3 Months Ended
	Dec. 31, 2020	Oct. 14, 2020	May 02, 2018	Dec. 31, 2020	Oct. 13, 2020	Dec. 31, 2019
Credit Facility [Line Items]
Credit facility expiration period			3 years
Credit facility, maximum borrowing capacity		$ 775
Amount outstanding, gross	$ 325			$ 325		$ 225
Weighted average interest rate during period	2.19%			2.19%		3.51%
Existing term loans
Credit Facility [Line Items]
Repayment				$ 225
Revolving Credit Facility
Credit Facility [Line Items]
Repayment				$ 100
Credit Facility
Credit Facility [Line Items]
Credit facility expiration period		3 years
Committed capacity		$ 625
Revolving Credit Facility
Credit Facility [Line Items]
Credit facility, maximum borrowing capacity		$ 300			$ 275
Credit facility, commitment fee rate	0.35%

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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loss Contingencies [Line Items]
Renewal term (up to)	10 years
Operating lease right-of-use asset	$ 8,700	$ 10,000
Operating lease liabilities	$ 10,850	$ 12,600
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent	us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent
Lease cost	$ 2,420	$ 2,451
Rent expense			$ 2,100
Minimum sublease rental income, due in 2021	100
Indemnifications related to contract underwriting services
Loss Contingencies [Line Items]
Amount paid for remedies (less than)	$ 100	$ 100

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Commitments and Contingencies - Schedule of Lease Cost and Other Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Lease cost:
Operating lease cost	$ 2,532	$ 2,479
Short-term lease cost	19	101
Sublease income	(131)	(129)
Total lease cost	$ 2,420	$ 2,451
Other information:
Weighted average remaining lease term - operating leases	3 years 9 months 18 days	4 years 9 months 18 days
Weighted average discount rate - operating leases	3.90%	4.00%

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Commitments and Contingencies- Schedule of Lease Liability Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
2021	$ 3,261
2022	3,309
2023	3,017
2024	1,334
2025	793
2026 and thereafter	0
Total lease payments to be paid	11,714
Less: Future interest expense	(864)
Present value of lease liabilities	$ 10,850	$ 12,600

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Capital Stock (Details) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) vote shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($)
Equity [Abstract]
Authorized share capital (in shares) | shares		233,333	233,333
Number of votes per share		1
Shareholder ownership threshold for voting rights		9.50%
Maximum number of votes per share for certain shareholders under 9.5% shareholder provision		1
Minimum number of votes per share for other shareholders under 9.5% shareholder provision		1
Common shares, issued (in shares) | shares	13,800	112,423	98,394
Share price (in dollars per share) | $ / shares	$ 33.25
Net proceeds from sale of stock | $	$ 440,000	$ 439,962	$ 0	$ 0

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Capital Stock - Dividends (Details) - $ / shares	1 Months Ended		3 Months Ended								12 Months Ended
	Feb. 26, 2021	Sep. 30, 2019	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Quarterly cash dividends declared (in dollars per share)			$ 0.16	$ 0.16	$ 0.16	$ 0.16	$ 0.15	$ 0.15	$ 0	$ 0	$ 0.64	$ 0.30
Quarterly cash dividends paid (in dollars per share)		$ 0.15	$ 0.16	$ 0.16	$ 0.16	$ 0.16	$ 0.15	$ 0.15	$ 0	$ 0	$ 0.64	$ 0.30
Subsequent Event
Class of Stock [Line Items]
Quarterly cash dividends declared (in dollars per share)	$ 0.16

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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	1 Months Ended					12 Months Ended			37 Months Ended	61 Months Ended
	Feb. 26, 2021	Jan. 31, 2020	Jan. 31, 2017	May 31, 2015	Sep. 30, 2013	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 31, 2020	Feb. 29, 2020	Dec. 31, 2013
Stock-based compensation
Shares tendered by employees to pay employee withholding taxes (in shares)						141,801	208,947	718,726
Nonvested share units
Stock-based compensation
Granted (in shares)						350,000	143,000	161,000
Nonvested shares, share units or DEU
Stock-based compensation
Total fair value of shares vested						$ 18.5	$ 25.5	$ 75.9
Nonvested shares or share units outstanding
Stock-based compensation
Total unrecognized compensation expense						$ 24.2
Expected weighted average period for recognition of expense						1 year 9 months 18 days
Time-Based Share Awards | Nonvested shares
Stock-based compensation
Granted (in shares)						69,000	90,000	73,000
Certain Senior Management | Nonvested shares | Subsequent Event
Stock-based compensation
Granted (in shares)	373,552
Employee | Time-Based Share Awards | Nonvested share units | Incentive Program Bonus Award Fiscal Year Performance
Stock-based compensation
Vesting period		3 years	3 years							3 years
Director | Time-Based Share Awards | Nonvested share units | Maximum
Stock-based compensation
Vesting period									1 year
Certain Employees | Nonvested share units | Subsequent Event
Stock-based compensation
Granted (in shares)	86,058
2013 Plan
Stock-based compensation
Shares authorized (in shares)											7,500,000
Number of share available for future grant (in shares)						3,700,000
2013 Plan | Certain Senior Management | Time-Based Share Awards | Nonvested shares
Stock-based compensation
Vesting period					4 years					3 years
2013 Plan | Certain Senior Management | Vesting Based On Performance | Nonvested shares
Stock-based compensation
Vesting period					3 years
Performance period										3 years
2013 Plan | Employee | Time-Based Share Awards | Nonvested shares
Stock-based compensation
Vesting period				4 years
2013 Plan | Employee | Vesting Based On Performance | Nonvested shares
Stock-based compensation
Vesting period				3 years

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Stock-Based Compensation - Summary of Nonvested Performance-based Share Awards (Details) - Nonvested shares	12 Months Ended
	Dec. 31, 2020
2017 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 16 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	16.00%
Nonvested Common Shares Earned	25.00%
2017 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 17 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	17.00%
Nonvested Common Shares Earned	50.00%
2017 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 18 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	18.00%
Nonvested Common Shares Earned	75.00%
2017 Performance-Based Grants | Maximum | Compounded Annual Book Value Per Share Growth 16 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	16.00%
Nonvested Common Shares Earned	0.00%
2017 Performance-Based Grants | Minimum | Compounded Annual Book Value Per Share Growth 19 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	19.00%
Nonvested Common Shares Earned	100.00%
2016 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 13%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	13.00%
Nonvested Common Shares Earned	25.00%
2016 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 14 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	14.00%
Nonvested Common Shares Earned	50.00%
2016 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 15%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	15.00%
Nonvested Common Shares Earned	75.00%
2016 Performance-Based Grants | Maximum | Compounded Annual Book Value Per Share Growth 13%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	13.00%
Nonvested Common Shares Earned	0.00%
2016 Performance-Based Grants | Minimum | Compounded Annual Book Value Per Share Growth 16 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	16.00%
Nonvested Common Shares Earned	100.00%
2013, 2014 and 2015 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 11%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	11.00%
Nonvested Common Shares Earned	10.00%
2013, 2014 and 2015 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 12%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	12.00%
Nonvested Common Shares Earned	36.00%
2013, 2014 and 2015 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 13%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	13.00%
Nonvested Common Shares Earned	61.00%
2013, 2014 and 2015 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 14 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	14.00%
Nonvested Common Shares Earned	87.00%
2013, 2014 and 2015 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 16 %
Stock-based compensation
Nonvested Common Shares Earned	100.00%
2013, 2014 and 2015 Performance-Based Grants | Maximum | Compounded Annual Book Value Per Share Growth 11%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	11.00%
Nonvested Common Shares Earned	0.00%
2013, 2014 and 2015 Performance-Based Grants | Minimum | Compounded Annual Book Value Per Share Growth 15%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	15.00%
Nonvested Common Shares Earned	100.00%
2020 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 13%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	13.00%
Nonvested Common Shares Earned	10.00%
2020 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 14 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	14.00%
Nonvested Common Shares Earned	35.00%
2020 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 15%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	15.00%
Nonvested Common Shares Earned	60.00%
2020 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 16 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	16.00%
Nonvested Common Shares Earned	85.00%
2020 Performance-Based Grants | Maximum | Compounded Annual Book Value Per Share Growth 13%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	13.00%
Nonvested Common Shares Earned	0.00%
2020 Performance-Based Grants | Minimum | Compounded Annual Book Value Per Share Growth 17 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	17.00%
Nonvested Common Shares Earned	100.00%
2019 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 14 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	14.00%
Nonvested Common Shares Earned	10.00%
2019 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 15%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	15.00%
Nonvested Common Shares Earned	35.00%
2019 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 16 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	16.00%
Nonvested Common Shares Earned	60.00%
2019 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 17 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	17.00%
Nonvested Common Shares Earned	85.00%
2019 Performance-Based Grants | Maximum | Compounded Annual Book Value Per Share Growth 14 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	14.00%
Nonvested Common Shares Earned	0.00%
2019 Performance-Based Grants | Minimum | Compounded Annual Book Value Per Share Growth 18 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	18.00%
Nonvested Common Shares Earned	100.00%
2018 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 15%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	15.00%
Nonvested Common Shares Earned	25.00%
2018 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 16 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	16.00%
Nonvested Common Shares Earned	50.00%
2018 Performance-Based Grants | Compounded Annual Book Value Per Share Growth 17 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	17.00%
Nonvested Common Shares Earned	75.00%
2018 Performance-Based Grants | Maximum | Compounded Annual Book Value Per Share Growth 15%
Stock-based compensation
Compounded Annual Book Value Per Share Growth	15.00%
Nonvested Common Shares Earned	0.00%
2018 Performance-Based Grants | Minimum | Compounded Annual Book Value Per Share Growth 18 %
Stock-based compensation
Compounded Annual Book Value Per Share Growth	18.00%
Nonvested Common Shares Earned	100.00%

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Stock-Based Compensation - Summary of Nonvested Common Share and Common Share Unit Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Nonvested shares | Time and Performance- Based Share Awards
Number of Shares
Outstanding at beginning of year (in shares)	394	482	1,595
Granted (in shares)	109	141	113
Vested (in shares)	(140)	(229)	(1,226)
Forfeited (in shares)	0	0	0
Outstanding at end of period (in shares)	363	394	482
Weighted Average Grant Date Fair Value
Outstanding at beginning of year (in dollars per share)	$ 42.02	$ 29.49	$ 17.03
Granted (in dollars per share)	51.52	45.32	45.02
Vested (in dollars per share)	36.29	17.69	14.71
Outstanding at end of period (in dollars per share)	$ 47.09	$ 42.02	$ 29.49
Nonvested shares | Time-Based Share Awards
Number of Shares
Outstanding at beginning of year (in shares)	169	207	410
Granted (in shares)	69	90	73
Vested (in shares)	(85)	(128)	(276)
Forfeited (in shares)	0	0	0
Outstanding at end of period (in shares)	153	169	207
Weighted Average Grant Date Fair Value
Outstanding at beginning of year (in dollars per share)	$ 41.31	$ 32.82	$ 21.12
Granted (in dollars per share)	51.52	40.98	45.02
Vested (in dollars per share)	40.47	27.37	18.67
Outstanding at end of period (in dollars per share)	$ 46.34	$ 41.31	$ 32.82
Nonvested share units
Number of Shares
Outstanding at beginning of year (in shares)	351	449	536
Granted (in shares)	350	143	161
Vested (in shares)	(192)	(232)	(238)
Forfeited (in shares)	(17)	(9)	(10)
Outstanding at end of period (in shares)	492	351	449
Weighted Average Grant Date Fair Value
Outstanding at beginning of year (in dollars per share)	$ 39.78	$ 34.35	$ 29.13
Granted (in dollars per share)	48.75	42.08	42.19
Vested (in dollars per share)	37.76	30.85	28.02
Forfeited (in dollars per share)	50.04	35.53	31.59
Outstanding at end of period (in dollars per share)	$ 46.59	$ 39.78	$ 34.35
DEU
Number of Shares
Outstanding at beginning of year (in shares)	5	0
Granted (in shares)	19	5
Vested (in shares)	(3)	0
Forfeited (in shares)	0	0
Outstanding at end of period (in shares)	21	5	0
Weighted Average Grant Date Fair Value
Outstanding at beginning of year (in dollars per share)	$ 51.11
Granted (in dollars per share)	35.42	$ 51.09
Vested (in dollars per share)	49.79	48.63
Forfeited (in dollars per share)	33.86	49.27
Outstanding at end of period (in dollars per share)	$ 37.66	$ 51.11

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Stock-Based Compensation - Summary of Compensation Expense, Net of Forfeitures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Payment Arrangement [Abstract]
Compensation expense	$ 18,462	$ 16,588	$ 15,073
Income tax benefit	$ 3,511	$ 3,125	$ 2,805

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Dividends Restrictions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Dividends Restrictions
Dividends paid to parent company	$ 0	$ 55,000,000.0	$ 0
Total equity	3,862,633,000	2,984,845,000	2,365,717,000
Essent Guaranty
Dividends Restrictions
Unassigned surplus	343,600,000
Dividends paid to parent company	0	0	40,000,000
Essent PA
Dividends Restrictions
Unassigned surplus	15,400,000
Dividends paid to parent company	0	$ 0	$ 0
Essent Re
Dividends Restrictions
Total equity	1,100,000,000
Essent Re | Essent Guaranty | Minimum | Quota share reinsurance
Dividends Restrictions
Total equity	$ 100,000,000

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Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Components of income tax expense
Current									$ 38,402	$ 43,867	$ 28,644
Deferred									38,653	59,481	50,692
Total income tax expense									77,055	103,348	79,336
Income before income taxes	$ 146,152	$ 148,431	$ 18,815	$ 176,698	$ 174,384	$ 172,225	$ 162,733	$ 149,719	490,096	659,061	546,699
Effective Income Tax Rate Reconciliation, Amount
Tax provision at weighted average statutory rates									75,763	104,213	87,815
Non-deductible expenses									2,482	2,595	1,483
Tax exempt interest, net of proration									(1,462)	(1,541)	(1,741)
Excess tax benefits from stock-based compensation									(599)	(1,997)	(9,644)
Other									871	78	1,423
Total income tax expense									$ 77,055	$ 103,348	$ 79,336
% of pretax income
Tax provision at weighted average statutory rates									15.50%	15.80%	16.10%
Non-deductible expenses									0.50%	0.40%	0.30%
Tax exempt interest, net of proration									(0.30%)	(0.20%)	(0.30%)
Excess tax benefits from stock-based compensation									(0.10%)	(0.30%)	(1.80%)
Other									0.10%	0.00%	0.20%
Total income tax expense									15.70%	15.70%	14.50%
Bermuda | Bermuda
Components of income tax expense
Income before income taxes									$ 129,300	$ 162,800	$ 128,500
US | U.S.
Components of income tax expense
Income before income taxes									$ 360,800	$ 496,300	$ 418,200

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Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Net deferred tax asset
Deferred tax assets	$ 29,577	$ 29,392
Deferred tax liabilities	(334,686)	(279,012)
Net deferred tax liability	(305,109)	(249,620)
Components of the net deferred tax asset
Contingency reserves	(300,281)	(261,855)
Unrealized (gain) loss on investments	(30,050)	(13,214)
Unearned premium reserve	15,192	16,641
Accrued expenses	4,202	3,391
Deferred policy acquisition costs	(3,571)	(3,298)
Unearned ceding commissions	2,951	3,227
Loss reserves	2,529	416
Nonvested shares	1,767	2,426
Start-up expenditures, net	1,137	1,410
Change in fair market value of derivatives	912	370
Fixed assets	880	1,502
Investments in limited partnerships	(561)	(400)
Prepaid expenses	(129)	(132)
Loss reserves - TCJA transition adjustment	(94)	(113)
Organizational expenditures	7	9
Net deferred tax liability	$ (305,109)	$ (249,620)

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Income Taxes - Tax Deductions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Net purchases of T&L Bonds	$ 40,751	$ 59,500	$ (49,772)
T&L Bonds held as of end of year	$ 302,636	$ 261,885

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Income Taxes - Essent Holdings Income Taxes and Unrecognized Tax Benefits (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits	$ 0	$ 0
U.S.
Operating Loss Carryforwards [Line Items]
Taxes provided on un-remitted earnings	0
Cumulative amount of earnings that would be subject to withholding tax, if distributed outside of the U.S.	2,100,000,000
United States Ireland Tax Treaty Benefits Availed | U.S.
Operating Loss Carryforwards [Line Items]
Associated withholding tax liability on cumulative amount of earnings that would be subject to withholding tax, if distributed outside of the U.S.	103,500,000
Essent Holdings | Essent Irish Intermediate
Operating Loss Carryforwards [Line Items]
Withholding taxes accrued with respect to un-remitted earnings	$ 0
Essent Holdings | United States Ireland Tax Treaty Benefits Availed | Essent Irish Intermediate
Operating Loss Carryforwards [Line Items]
Withholding tax rate on dividends paid	5.00%
Essent Holdings | Absent Benefits Of United States Ireland Tax Treaty | Essent Irish Intermediate
Operating Loss Carryforwards [Line Items]
Withholding tax rate on dividends paid	30.00%

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Earnings per Share (EPS) - Reconciliation of Net Income and Weighted Average Common Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net income	$ 123,602	$ 124,536	$ 15,380	$ 149,523	$ 146,958	$ 144,630	$ 136,405	$ 127,720	$ 413,041	$ 555,713	$ 467,363
Basic weighted average shares outstanding (in shares)	111,908	111,908	102,500	97,949	97,830	97,822	97,798	97,595	106,098	97,762	97,403
Dilutive effect of nonvested shares (in shares)									278	465	571
Diluted weighted average shares outstanding (in shares)	112,310	112,134	102,605	98,326	98,376	98,257	98,170	98,104	106,376	98,227	97,974
Basic earnings per share (in dollars per share)	$ 1.10	$ 1.11	$ 0.15	$ 1.53	$ 1.50	$ 1.48	$ 1.39	$ 1.31	$ 3.89	$ 5.68	$ 4.80
Diluted earnings per share (in dollars per share)	$ 1.10	$ 1.11	$ 0.15	$ 1.52	$ 1.49	$ 1.47	$ 1.39	$ 1.30	$ 3.88	$ 5.66	$ 4.77

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Earnings per Share (EPS) - Narrative (Details) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Contingently issuable awards
Antidilutive nonvested shares (in shares)	324,813	39,490	128,575
Performance-based share awards
Contingently issuable awards
Percentage of award issuable if current period end were end of contingency period		100.00%	100.00%

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Earnings per Share (EPS) (Details)	Dec. 31, 2020
2018 Performance-Based Grants
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Percentage of award issuable if current period end were end of contingency period	100.00%
2019 Performance-Based Grants
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Percentage of award issuable if current period end were end of contingency period	100.00%
2020 Performance-Based Grants
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Percentage of award issuable if current period end were end of contingency period	25.00%

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other comprehensive income (loss):
Other comprehensive gains (losses), before tax	$ 98,923	$ 102,677
Other comprehensive income (loss):
Other comprehensive gains (losses), tax effect	(16,836)	(17,497)
Net of Tax
Stockholders equity, beginning of period	2,984,845	2,365,717
Other comprehensive income (loss):
Total other comprehensive income (loss)	82,087	85,180	$ (25,741)
Stockholders equity, end of period	3,862,633	2,984,845	2,365,717
Accumulated Other Comprehensive Income (Loss)
Before Tax
AOCI before tax, beginning of period	69,401	(33,276)
Other comprehensive income (loss):
AOCI before tax, end of period	168,324	69,401	(33,276)
Tax Effect
AOCI tax effect, beginning of period	(13,214)	4,283
Other comprehensive income (loss):
AOCI tax effect, end of period	(30,050)	(13,214)	4,283
Net of Tax
Stockholders equity, beginning of period	56,187	(28,993)	(3,252)
Other comprehensive income (loss):
Total other comprehensive income (loss)	82,087	85,180	(25,741)
Stockholders equity, end of period	138,274	56,187	$ (28,993)
Accumulated Net Investment Gain (Loss) Attributable to Parent
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period, before tax	101,620	105,906
Less: Reclassification adjustment for gains included in net income, before tax	(2,697)	(3,229)
Other comprehensive gains (losses), before tax	98,923	102,677
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period, tax effect	(17,286)	(17,995)
Less: Reclassification adjustment for gains included in net income, tax effect	450	498
Other comprehensive gains (losses), tax effect	(16,836)	(17,497)
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period, net of tax	84,334	87,911
Less: Reclassification adjustment for gains included in net income, net of tax	(2,247)	(2,731)
Total other comprehensive income (loss)	$ 82,087	$ 85,180

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Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Recurring fair value measurements
Total investments available for sale	$ 4,565,373	$ 3,350,747
Fair Value, Recurring
Recurring fair value measurements
Total assets at fair value	4,565,373	3,350,747
Fair Value, Recurring | U.S. Treasury securities
Recurring fair value measurements
Total investments available for sale	268,444	242,206
Fair Value, Recurring | U.S. agency securities
Recurring fair value measurements
Total investments available for sale	18,085	33,605
Fair Value, Recurring | U.S. agency mortgage-backed securities
Recurring fair value measurements
Total investments available for sale	995,905	848,334
Fair Value, Recurring | Municipal debt securities
Recurring fair value measurements
Total investments available for sale	551,517	361,638
Fair Value, Recurring | Non-U.S. government securities
Recurring fair value measurements
Total investments available for sale	61,607	54,995
Fair Value, Recurring | Corporate debt securities
Recurring fair value measurements
Total investments available for sale	1,126,512	880,301
Fair Value, Recurring | Residential and commercial mortgage securities
Recurring fair value measurements
Total investments available for sale	409,282	288,281
Fair Value, Recurring | Asset-backed securities
Recurring fair value measurements
Total investments available for sale	454,717	326,025
Fair Value, Recurring | Money market funds
Recurring fair value measurements
Total investments available for sale	679,304	315,362
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1)
Recurring fair value measurements
Total assets at fair value	947,748	557,568
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | U.S. Treasury securities
Recurring fair value measurements
Total investments available for sale	268,444	242,206
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | U.S. agency securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | U.S. agency mortgage-backed securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | Municipal debt securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | Non-U.S. government securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | Corporate debt securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | Residential and commercial mortgage securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | Asset-backed securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Quoted Prices in Active  Markets for Identical Instruments (Level 1) | Money market funds
Recurring fair value measurements
Total investments available for sale	679,304	315,362
Fair Value, Recurring | Significant Other Observable Inputs (Level 2)
Recurring fair value measurements
Total assets at fair value	3,617,625	2,793,179
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | U.S. Treasury securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | U.S. agency securities
Recurring fair value measurements
Total investments available for sale	18,085	33,605
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | U.S. agency mortgage-backed securities
Recurring fair value measurements
Total investments available for sale	995,905	848,334
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Municipal debt securities
Recurring fair value measurements
Total investments available for sale	551,517	361,638
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Non-U.S. government securities
Recurring fair value measurements
Total investments available for sale	61,607	54,995
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Corporate debt securities
Recurring fair value measurements
Total investments available for sale	1,126,512	880,301
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Residential and commercial mortgage securities
Recurring fair value measurements
Total investments available for sale	409,282	288,281
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Asset-backed securities
Recurring fair value measurements
Total investments available for sale	454,717	326,025
Fair Value, Recurring | Significant Other Observable Inputs (Level 2) | Money market funds
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3)
Recurring fair value measurements
Total assets at fair value	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | U.S. Treasury securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | U.S. agency securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | U.S. agency mortgage-backed securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Municipal debt securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Non-U.S. government securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Corporate debt securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Residential and commercial mortgage securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Asset-backed securities
Recurring fair value measurements
Total investments available for sale	0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3) | Money market funds
Recurring fair value measurements
Total investments available for sale	$ 0	$ 0

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Statutory Accounting (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Essent Guaranty
Dividends Restrictions
Statutory net income	$ 312,091	$ 443,675	$ 379,119
Statutory surplus	1,048,878	1,032,416	872,105
Contingency reserve liability	1,499,782	1,197,279	916,568
Increase in contingency reserve	302,500
Released contingency reserves	100
Essent PA
Dividends Restrictions
Statutory net income	4,560	8,073	9,306
Statutory surplus	54,354	52,936	49,336
Contingency reserve liability	56,032	52,957	$ 48,545
Increase in contingency reserve	3,100
Released contingency reserves	100
Essent Re
Dividends Restrictions
Statutory net income	143,500	176,400
Statutory capital and surplus	$ 1,100,000	$ 939,200

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Capital Maintenance Agreement (Details)	Dec. 31, 2020 USD ($)
Essent Guaranty | Capital maintenance agreement | Essent PA
Capital Maintenance Agreement
Amounts outstanding	$ 0
Essent Guaranty | Capital maintenance agreement | Essent PA | Maximum
Capital Maintenance Agreement
Risk to capital ratio	25.0
Essent PA
Capital Maintenance Agreement
Risk to capital ratio	1.7

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Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]
Net premiums earned	$ 222,339	$ 222,258	$ 211,471	$ 206,496	$ 207,671	$ 203,473	$ 188,490	$ 177,791	$ 862,564	$ 777,425	$ 649,492
Other revenues	24,860	20,780	24,606	22,344	21,091	22,914	23,402	22,735
Provision for losses and LAE	62,073	55,280	175,877	8,063	10,929	9,990	4,960	7,107	301,293	32,986	11,575
Other underwriting and operating expenses	36,825	37,100	38,819	41,947	41,231	41,588	41,520	41,030	154,691	165,369	150,900
Interest expense	2,149	2,227	2,566	2,132	2,218	2,584	2,679	2,670	9,074	10,151	10,179
Income before income taxes	146,152	148,431	18,815	176,698	174,384	172,225	162,733	149,719	490,096	659,061	546,699
Net income	$ 123,602	$ 124,536	$ 15,380	$ 149,523	$ 146,958	$ 144,630	$ 136,405	$ 127,720	$ 413,041	$ 555,713	$ 467,363
Basic earnings per common share (in dollars per share)	$ 1.10	$ 1.11	$ 0.15	$ 1.53	$ 1.50	$ 1.48	$ 1.39	$ 1.31	$ 3.89	$ 5.68	$ 4.80
Diluted earnings per common share (in dollars per share)	$ 1.10	$ 1.11	$ 0.15	$ 1.52	$ 1.49	$ 1.47	$ 1.39	$ 1.30	$ 3.88	$ 5.66	$ 4.77
Basic weighted average shares outstanding (in shares)	111,908	111,908	102,500	97,949	97,830	97,822	97,798	97,595	106,098	97,762	97,403
Diluted weighted average shares outstanding (in shares)	112,310	112,134	102,605	98,326	98,376	98,257	98,170	98,104	106,376	98,227	97,974

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Schedule I - Summary of Investments-Other Than Investments in Related Parties (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments-Other Than Investments in Related Parties
Amortized Cost	$ 4,485,953
Fair Value	4,654,277	$ 3,429,620
Amount at which shown in the Balance Sheet	4,654,277
Fixed maturities
Investments-Other Than Investments in Related Parties
Amortized Cost	3,677,815
Fair Value	3,838,513
Amount at which shown in the Balance Sheet	3,838,513
Fixed maturities | United States Government and government agencies and authorities
Investments-Other Than Investments in Related Parties
Amortized Cost	1,212,622
Fair Value	1,254,075
Amount at which shown in the Balance Sheet	1,254,075
Fixed maturities | States, municipalities and political subdivisions
Investments-Other Than Investments in Related Parties
Amortized Cost	513,870
Fair Value	551,517
Amount at which shown in the Balance Sheet	551,517
Fixed maturities | Residential and commercial mortgage securities
Investments-Other Than Investments in Related Parties
Amortized Cost	391,921
Fair Value	409,282
Amount at which shown in the Balance Sheet	409,282
Fixed maturities | Asset-backed securities
Investments-Other Than Investments in Related Parties
Amortized Cost	452,527
Fair Value	454,717
Amount at which shown in the Balance Sheet	454,717
Fixed maturities | Foreign government and agency securities
Investments-Other Than Investments in Related Parties
Amortized Cost	56,045
Fair Value	61,607
Amount at which shown in the Balance Sheet	61,607
Fixed maturities | All other corporate bonds
Investments-Other Than Investments in Related Parties
Amortized Cost	1,050,830
Fair Value	1,107,315
Amount at which shown in the Balance Sheet	1,107,315
Short-term investments
Investments-Other Than Investments in Related Parties
Amortized Cost	726,875
Fair Value	726,860
Amount at which shown in the Balance Sheet	726,860
Other invested assets
Investments-Other Than Investments in Related Parties
Amortized Cost	81,263
Fair Value	88,904
Amount at which shown in the Balance Sheet	$ 88,904

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Schedule II - Condensed Financial Information of Registrant - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Total investments available for sale	$ 4,565,373	$ 3,350,747
Cash	102,830	71,350
Other assets	40,793	18,367
Total assets	5,202,724	3,873,425
Liabilities
Credit facility borrowings (at carrying value, less unamortized deferred costs of $2,287 in 2020 and $564 in 2019)	321,720	224,237
Other accrued liabilities	87,885	66,474
Total liabilities	1,340,091	888,580
Commitments and contingencies
Stockholders' Equity
Common shares	1,686	1,476
Additional paid-in capital	1,571,163	1,118,655
Accumulated other comprehensive income	138,274	56,187
Retained earnings	2,151,510	1,808,527
Total stockholders' equity	3,862,633	2,984,845	$ 2,365,717
Total liabilities and stockholders' equity	5,202,724	3,873,425
Amortized Cost	4,404,690	3,282,585
Unamortized deferred costs	3,280	763
Fixed maturities
Assets
Total investments available for sale	3,838,513	3,035,385
Stockholders' Equity
Amortized Cost	3,677,815	2,967,225
Short-term investments
Assets
Total investments available for sale	726,860	315,362
Stockholders' Equity
Amortized Cost	726,875	315,360
Parent Company
Assets
Total investments available for sale	554,544	96,531
Cash	8,688	1,845
Due from affiliates	1,278	875
Investment in consolidated subsidiaries	3,518,029	3,009,447
Other assets	4,512	1,608
Total assets	4,087,051	3,110,306
Liabilities
Due to affiliates	0	301
Credit facility borrowings (at carrying value, less unamortized deferred costs of $2,287 in 2020 and $564 in 2019)	222,713	124,436
Other accrued liabilities	1,705	724
Total liabilities	224,418	125,461
Commitments and contingencies
Stockholders' Equity
Common shares	1,686	1,476
Additional paid-in capital	1,571,163	1,118,655
Accumulated other comprehensive income	138,274	56,187
Retained earnings	2,151,510	1,808,527
Total stockholders' equity	3,862,633	2,984,845
Total liabilities and stockholders' equity	4,087,051	3,110,306
Unamortized deferred costs	2,287	564
Parent Company | Fixed maturities
Assets
Total investments available for sale	202,129	0
Stockholders' Equity
Amortized Cost	201,527	0
Parent Company | Short-term investments
Assets
Total investments available for sale	352,415	96,531
Stockholders' Equity
Amortized Cost	$ 352,412	$ 96,531

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Schedule II - Condensed Financial Information of Registrant - Comprehensive Income Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Net investment income									$ 80,087	$ 83,542	$ 64,091
Realized investment losses, net									2,697	3,229	1,318
Total revenues									955,154	867,567	719,353
Expenses:
Interest expense	$ 2,149	$ 2,227	$ 2,566	$ 2,132	$ 2,218	$ 2,584	$ 2,679	$ 2,670	9,074	10,151	10,179
Income before income taxes	146,152	148,431	18,815	176,698	174,384	172,225	162,733	149,719	490,096	659,061	546,699
Net income	$ 123,602	$ 124,536	$ 15,380	$ 149,523	$ 146,958	$ 144,630	$ 136,405	$ 127,720	413,041	555,713	467,363
Other comprehensive income (loss):
Change in unrealized appreciation (depreciation) of investments, net of tax expense (benefit) of $16,836 in 2020, $17,497 in 2019 and $(5,686) in 2018									82,087	85,180	(25,741)
Total other comprehensive income (loss)									82,087	85,180	(25,741)
Comprehensive income									495,128	640,893	441,622
Parent Company
Revenues:
Net investment income									1,181	1,601	980
Realized investment losses, net									(10)	0	0
Administrative service fees from subsidiaries									872	649	551
Total revenues									2,043	2,250	1,531
Expenses:
Administrative service fees to subsidiaries									3,728	3,053	2,510
Other operating expenses									5,929	6,925	5,076
Interest expense									6,446	5,742	5,462
Total expenses									16,103	15,720	13,048
Income before income taxes									(14,060)	(13,470)	(11,517)
Loss before equity in undistributed net income of subsidiaries									(14,060)	(13,470)	(11,517)
Equity in undistributed net income of subsidiaries									427,101	569,183	478,880
Net income									413,041	555,713	467,363
Other comprehensive income (loss):
Change in unrealized appreciation (depreciation) of investments, net of tax expense (benefit) of $16,836 in 2020, $17,497 in 2019 and $(5,686) in 2018									82,087	85,180	(25,741)
Total other comprehensive income (loss)									82,087	85,180	(25,741)
Comprehensive income									495,128	640,893	441,622
Change in unrealized appreciation (depreciation) of investments, (benefit) tax expense									$ 16,836	$ 17,497	$ (5,686)

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Schedule II - Condensed Financial Information of Registrant - Cash Flow Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Activities
Net income		$ 123,602	$ 124,536	$ 15,380	$ 149,523	$ 146,958	$ 144,630	$ 136,405	$ 127,720	$ 413,041	$ 555,713	$ 467,363
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on the sale of investments, net										(2,697)	(3,229)	(1,318)
Stock-based compensation expense										18,462	16,588	15,073
Amortization of premium on investment securities										23,393	15,738	14,220
Changes in assets and liabilities:
Other assets										(16,840)	(2,921)	(5,060)
Other accrued liabilities										24,283	4,375	5,299
Net cash provided by operating activities										727,931	589,848	625,321
Investing Activities
Net change in short-term investments										(411,498)	(160,962)	158,294
Investments in subsidiaries										(17,012)	(49,789)	(30,860)
Purchase of investments available for sale										(1,575,082)	(1,044,964)	(1,126,032)
Proceeds from maturity of investments available for sale										262,321	88,025	114,651
Proceeds from sales of investments available for sale										577,409	623,771	340,780
Net cash used in investing activities										(1,154,417)	(545,076)	(546,905)
Financing Activities
Issuance of common shares, net of costs	$ 440,000									439,962	0	0
Credit facility borrowings										200,000	0	15,000
Credit facility repayments										(100,000)	0	(40,000)
Treasury stock acquired										(6,354)	(9,005)	(31,414)
Payment of issuance costs for credit facility										(6,232)	(15)	(580)
Dividends paid										(69,410)	(29,348)	0
Net cash provided by (used in) financing activities										457,966	(38,368)	(56,994)
Net increase in cash										31,480	6,404	21,422
Supplemental Disclosure of Cash Flow Information
Interest payments										(8,263)	(9,863)	(9,451)
Noncash Transactions
Repayment of borrowings with term loan proceeds										(325,000)	0	(100,000)
Parent Company
Operating Activities
Net income										413,041	555,713	467,363
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net income of subsidiaries										(427,101)	(569,183)	(478,880)
Loss on the sale of investments, net										10	0	0
Stock-based compensation expense										935	830	843
Amortization of premium on investment securities										435	0	0
Changes in assets and liabilities:
Other assets										(319)	416	911
Other accrued liabilities										18,208	15,562	15,537
Net cash provided by operating activities										5,209	3,338	5,774
Investing Activities
Net change in short-term investments										(255,884)	(24,727)	26,122
Investments in subsidiaries										0	55,001	0
Purchase of investments available for sale										(205,668)	0	0
Proceeds from maturity of investments available for sale										838	0	0
Proceeds from sales of investments available for sale										3,386	0	0
Net cash used in investing activities										(457,328)	30,274	26,122
Financing Activities
Issuance of common shares, net of costs										439,962	0	0
Credit facility borrowings										200,000	0	0
Credit facility repayments										(100,000)	0	0
Treasury stock acquired										(6,354)	(9,005)	(31,414)
Payment of issuance costs for credit facility										(5,236)	(15)	(131)
Dividends paid										(69,410)	(29,348)	0
Net cash provided by (used in) financing activities										458,962	(38,368)	(31,545)
Net increase in cash										6,843	(4,756)	351
Cash at beginning of year					$ 1,845				$ 6,601	1,845	6,601	6,250
Cash at end of year		$ 8,688				$ 1,845				8,688	1,845	6,601
Supplemental Disclosure of Cash Flow Information
Interest payments										(5,714)	(5,509)	(4,984)
Noncash Transactions
Repayment of borrowings with term loan proceeds										$ (225,000)	$ 0	$ 0

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Schedule II - Condensed Financial Information of Registrant - Supplementary Notes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Condensed Financial Information of Registrant
Dividends paid to parent company	$ 0	$ 55,000,000.0	$ 0
Essent Guaranty
Condensed Financial Information of Registrant
Unassigned surplus	343,600,000
Dividends paid to parent company	0	0	40,000,000
Essent PA
Condensed Financial Information of Registrant
Unassigned surplus	15,400,000
Dividends paid to parent company	$ 0	$ 0	$ 0

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Schedule IV - Reinsurance (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]
Gross Amount									$ 951,302	$ 812,924	$ 660,260
Ceded to Other Companies									(88,738)	(35,499)	(10,768)
Assumed from Other Companies									0	0	0
Net premiums earned	$ 222,339	$ 222,258	$ 211,471	$ 206,496	$ 207,671	$ 203,473	$ 188,490	$ 177,791	$ 862,564	$ 777,425	$ 649,492
Assumed Premiums as a Percentage of Net Premiums									0.00%	0.00%	0.00%