10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

x Quarterly report pursuant Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended March 31, 2016

¨ Transition report pursuant Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from to .

001-35542

(Commission File number)

(Exact name of registrant as specified in its charter)

Pennsylvania	27-2290659
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)

1015 Penn Avenue

Suite 103

Wyomissing PA 19610

(Address of principal executive offices)

(610) 933-2000

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

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  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	¨	Accelerated filer	x
Non-accelerated filer	o  (Do not check if a smaller reporting company)	Smaller Reporting Company	¨

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

On April 28, 2016, 27,044,750 shares of Voting Common Stock were issued and outstanding.

CUSTOMERS BANCORP, INC. AND SUBSIDIARIES

Table of Contents

Part I
Item 1.	Customers Bancorp, Inc. Consolidated Financial Statements as of March 31, 2016 and for the three month periods ended March 31, 2016 and 2015 (unaudited)	3
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	45
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	63
Item 4.	Controls and Procedures	66
PART II
Item 1.	Legal Proceedings	67
Item 1A.	Risk Factors	67
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	67
Item 3.	Defaults Upon Senior Securities	67
Item 4.	Mine Safety Disclosures	67
Item 5.	Other Information	67
Item 6.	Exhibits	68
SIGNATURES		69
Ex-31.1
Ex-31.2
Ex-32.1
Ex-32.2
Ex-101

2

CUSTOMERS BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEET — UNAUDITED

(amounts in thousands, except share and per share data)

	March 31, 2016			December 31, 2015
ASSETS
Cash and due from banks	$	63,849		$	53,550
Interest-earning deposits	198,789			211,043
Cash and cash equivalents	262,638			264,593
Investment securities available for sale, at fair value	556,165			560,253
Loans held for sale (includes $1,941,602 and $1,757,807, respectively, at fair value)	1,969,280			1,797,064
Loans receivable	5,907,315			5,453,479
Allowance for loan losses	(37,605		)	(35,647		)
Total loans receivable, net of allowance for loan losses	5,869,710			5,417,832
FHLB, Federal Reserve Bank, and other restricted stock	92,269			90,841
Accrued interest receivable	21,206			19,939
Bank premises and equipment, net	12,444			11,531
Bank-owned life insurance	158,339			157,211
Other real estate owned	5,106			5,057
Goodwill and other intangibles	3,648			3,651
Other assets	88,077			70,233
Total assets	$	9,038,882		$	8,398,205
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities:
Deposits:
Demand, non-interest bearing	$	779,568		$	653,679
Interest-bearing	5,699,047			5,255,822
Total deposits	6,478,615			5,909,501
Federal funds purchased	80,000			70,000
FHLB advances	1,633,700			1,625,300
Other borrowings	86,624			86,457
Subordinated debt	108,709			108,685
Accrued interest payable and other liabilities	51,985			44,360
Total liabilities	8,439,633			7,844,303
Shareholders’ equity:
Preferred stock, par value $1.00 per share; liquidation preference $25.00 per share; 100,000,000 shares authorized, 3,300,000 and 2,300,000 shares issued and outstanding as of March 31, 2016 and December 31, 2015	79,677			55,569
Common stock, par value $1.00 per share; 200,000,000 shares authorized; 27,567,265 and 27,432,061 shares issued as of March 31, 2016 and December 31, 2015; 27,037,005 and 26,901,801 shares outstanding as of March 31, 2016 and December 31, 2015	27,567			27,432
Additional paid in capital	364,647			362,607
Retained earnings	140,924			124,511
Accumulated other comprehensive loss, net	(5,333		)	(7,984		)
Treasury stock, at cost (530,260 shares as of March 31, 2016 and December 31, 2015)	(8,233		)	(8,233		)
Total shareholders’ equity	599,249			553,902
Total liabilities and shareholders’ equity	$	9,038,882		$	8,398,205

See accompanying notes to the unaudited consolidated financial statements.

3

CUSTOMERS BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME — UNAUDITED

(amounts in thousands, except per share data)

	Three Months Ended March 31,
	2016		2015
Interest income:
Loans receivable	$	54,472	$	43,093
Loans held for sale	14,106		10,900
Investment securities	3,709		2,363
Other	1,111		2,362
Total interest income	73,398		58,718
Interest expense:
Deposits	10,212		7,526
Other borrowings	1,606		1,488
FHLB advances	2,268		1,689
Subordinated debt	1,685		1,685
Total interest expense	15,771		12,388
Net interest income	57,627		46,330
Provision for loan losses	1,980		2,964
Net interest income after provision for loan losses	55,647		43,366
Non-interest income:
Mortgage warehouse transactional fees	2,548		2,273
Bank-owned life insurance	1,123		1,061
Gain on sale of loans	644		1,231
Deposit fees	255		179
Mortgage loans and banking income	165		151
Gain on sale of investment securities	26		—
Other	733		838
Total non-interest income	5,494		5,733
Non-interest expense:
Salaries and employee benefits	17,332		13,952
FDIC assessments, taxes, and regulatory fees	4,030		3,278
Professional services	2,657		1,913
Technology, communication and bank operations	2,643		2,531
Occupancy	2,325		2,101
Loan workout	418		269
Other real estate owned	287		884
Advertising and promotion	256		347
Other	3,957		2,190
Total non-interest expense	33,905		27,465
Income before income tax expense	27,236		21,634
Income tax expense	9,537		7,682
Net income	17,699		13,952
Preferred stock dividends	1,286		—
Net income available to common shareholders	$	16,413	$	13,952
Basic earnings per common share	$	0.61	$	0.52
Diluted earnings per common share	$	0.57	$	0.49

See accompanying notes to the unaudited consolidated financial statements.

4

CUSTOMERS BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME — UNAUDITED

(amounts in thousands)

	Three Months Ended March 31,
	2016			2015
Net income	$	17,699		$	13,952
Unrealized gains on securities:
Unrealized holding gains on securities arising during the period	6,867			459
Income tax effect	(2,575		)	(216		)
Less: reclassification adjustment for gains on securities included in net income	(26		)	—
Income tax effect	10			—
Net unrealized gains	4,276			243
Unrealized losses on cash flow hedges:
Unrealized losses on cash flow hedges arising during the period	(2,600		)	(1,946		)
Income tax effect	975			778
Net unrealized losses	(1,625		)	(1,168		)
Other comprehensive income (loss), net of tax	2,651			(925		)
Comprehensive income	$	20,350		$	13,027

See accompanying notes to the unaudited consolidated financial statements.

5

CUSTOMERS BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY — UNAUDITED

(amounts in thousands, except shares outstanding data)

	Three Months Ended March 31, 2016
	Preferred Stock			Common Stock
	Shares of Preferred Stock Outstanding	Preferred Stock		Shares of Common Stock Outstanding	Common Stock		Additional Paid in Capital		Retained Earnings			Accumulated Other Comprehensive Loss			Treasury Stock			Total
Balance, December 31, 2015	2,300,000	$	55,569	26,901,801	$	27,432	$	362,607	$	124,511		$	(7,984	)	$	(8,233	)	$	553,902
Net income	—	—		—	—		—		17,699			—			—			17,699
Other comprehensive income	—	—		—	—		—		—			2,651			—			2,651
Issuance of common stock, net of offering costs of $15	—	—		7,291	7		152		—			—			—			159
Issuance of preferred stock, net of offering costs of $892	1,000,000	24,108		—	—		—		—			—			—			24,108
Preferred stock dividends	—	—		—	—		—		(1,286		)	—			—			(1,286		)
Share-based compensation expense	—	—		—	—		1,402		—			—			—			1,402
Exercise of warrants	—	—		12,377	12		106		—			—			—			118
Issuance of common stock under share-based compensation arrangements	—	—		115,536	116		380		—			—			—			496
Balance, March 31, 2016	3,300,000	$	79,677	27,037,005	$	27,567	$	364,647	$	140,924		$	(5,333	)	$	(8,233	)	$	599,249
	Three Months Ended March 31, 2015
	Preferred Stock			Common Stock
	Shares of Preferred Stock Outstanding	Preferred Stock		Shares of Common Stock Outstanding	Common Stock		Additional Paid in Capital		Retained Earnings			Accumulated Other Comprehensive Loss			Treasury Stock			Total
Balance, December 31, 2014	—	$	—	26,745,529	$	27,278	$	355,822	$	68,421		$	(122	)	$	(8,254	)	$	443,145
Net income	—	—		—	—		—		13,952			—			—			13,952
Other comprehensive loss	—	—		—	—		—		—			(925		)	—			(925		)
Share-based compensation expense	—	—		—	—		1,170		—			—			—			1,170
Issuance of common stock under share-based compensation arrangements	—	—		78,510	78		531		—			—			—			609
Balance, March 31, 2015	—	$	—	26,824,039	$	27,356	$	357,523	$	82,373		$	(1,047	)	$	(8,254	)	$	457,951

See accompanying notes to the unaudited consolidated financial statements.

6

CUSTOMERS BANCORP, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS — UNAUDITED

(amounts in thousands) 

	Three Months Ended March 31,
	2016			2015
Cash Flows from Operating Activities
Net income	$	17,699		$	13,952
Adjustments to reconcile net income to net cash used in operating activities:
Provision for loan losses, net of change to FDIC receivable and clawback liability	1,980			2,964
Provision for depreciation and amortization	970			1,033
Share-based compensation	1,689			1,416
Deferred taxes	573			(1,540		)
Net amortization of investment securities premiums and discounts	205			211
Loss (gain) on sale of investment securities	(26		)	—
Gain on sale of mortgages and other loans	(810		)	(1,266		)
Origination of loans held for sale	(6,876,748		)	(6,627,070		)
Proceeds from the sale of loans held for sale	6,693,763			6,285,952
Increase in FDIC loss sharing receivable net of clawback liability	304			(134		)
Amortization (accretion) of fair value discounts	(114		)	32
Net loss on sales of other real estate owned	15			441
Valuation and other adjustments to other real estate owned, net of FDIC receivable	170			343
Earnings on investment in bank-owned life insurance	(1,123		)	(1,061		)
Increase in accrued interest receivable and other assets	(21,304		)	(3,259		)
Increase in accrued interest payable and other liabilities	4,254			3,574
Net Cash Used In Operating Activities	(178,503		)	(324,412		)
Cash Flows from Investing Activities
Proceeds from maturities, calls and principal repayments of securities available for sale	12,902			20,739
Proceeds from sales of investment securities available for sale	2,848			—
Purchases of investment securities available for sale	(5,000		)	—
Net increase in loans	(448,956		)	(148,554		)
Proceeds from sales of loans	6,946			141,437
Purchases of bank-owned life insurance	—			(15,000		)
Net proceeds from (purchases of) FHLB, Federal Reserve Bank, and other restricted stock	(1,428		)	204
Reimbursements from the FDIC on loss sharing agreements	(320		)	(302		)
Purchases of bank premises and equipment	(1,665		)	(829		)
Proceeds from sales of other real estate owned	86			1,619
Net Cash Used In Investing Activities	(434,587		)	(686		)
Cash Flows from Financing Activities
Net increase in deposits	569,116			360,789
Net (decrease) increase in short-term borrowed funds from the FHLB	(16,600		)	(98,000		)
Net increase in federal funds purchased	10,000			—
Proceeds from long-term FHLB borrowings	25,000			25,000
Net proceeds from issuance of preferred stock	24,108			—
Preferred stock dividends paid	(1,214		)	—
Exercise and redemption of warrants	118			—
Proceeds from issuance of common stock	607			109
Net Cash Provided by Financing Activities	611,135			287,898
Net Decrease in Cash and Cash Equivalents	(1,955		)	(37,200		)
Cash and Cash Equivalents – Beginning	264,593			371,023
Cash and Cash Equivalents – Ending	$	262,638		$	333,823
	(continued)
Supplementary Cash Flows Information
Interest paid	$	13,018		$	10,550
Income taxes paid	15,789			2,762
Non-cash items:
Transfer of loans to other real estate owned	$	320		$	159

See accompanying notes to the unaudited consolidated financial statements.

7

CUSTOMERS BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED UNAUDITED FINANCIAL STATEMENTS

NOTE 1 — DESCRIPTION OF THE BUSINESS

Customers Bancorp, Inc. (the “Bancorp” or “Customers Bancorp”) is a bank holding company engaged in banking activities through its wholly owned subsidiary, Customers Bank (the “Bank”), collectively referred to as “Customers” herein.  The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“U.S. GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”).

Customers Bancorp, Inc. and its wholly owned subsidiaries, Customers Bank and non-bank subsidiaries, serve residents and businesses in Southeastern Pennsylvania (Bucks, Berks, Chester, Philadelphia and Delaware Counties); Rye, New York (Westchester County); Hamilton, New Jersey (Mercer County); Boston, Massachusetts; Providence, Rhode Island; Portsmouth, New Hampshire (Rockingham County); and Manhattan, New York.  The Bank has 14 full-service branches and provides commercial banking products, primarily loans and deposits. Customers Bank provides loan and other financial products to customers through its limited purpose offices in Boston, Massachusetts, Providence, Rhode Island, Portsmouth, New Hampshire, Manhattan and Melville, New York and Philadelphia, Pennsylvania. The Bank also provides liquidity to residential mortgage originators nationwide through commercial loans to mortgage companies. Customers Bank is subject to regulation of the Pennsylvania Department of Banking and Securities and the Federal Reserve Bank and is periodically examined by those regulatory authorities. Customers Bancorp has made certain equity investments through its wholly owned subsidiaries CB Green Ventures Pte Ltd. and CUBI India Ventures Pte Ltd.

NOTE 2 - ACQUISITION ACTIVITY

Pending Acquisition of Higher One, Inc.'s One Account Student Checking and Refund Management Disbursement Services Business

On December 15, 2015, Customers announced that it had entered into an Asset Purchase Agreement (the "Agreement") to acquire assets related to the One Account Student Checking and Refund Management Disbursement Services business ("Disbursements") of Higher One, Inc. ("Higher One"). Pursuant to the Agreement, Customers will acquire all assets of the Disbursements business, including all property and equipment, existing contractual relationships with vendors and educational institutions, and all intellectual property, will assume certain normal business related liabilities, and will commit to hire approximately 225 current Higher One employees primarily located in New Haven, Connecticut that manage the Disbursement business and serve the customers. Customers intends to retain these team members in New Haven. Customers will pay Higher One an aggregate of $42 million in cash in connection with the acquisition of the Disbursements business. Under the Agreement, Customers will pay Higher One $17 million in cash at closing and make cash payments of $10 million each on the first and second anniversaries of the closing. Customers also will pay Higher One $5 million in cash for Higher One's services under a transition services agreement. The transaction was approved by Higher One stockholders in April 2016 with the transaction closing anticipated to occur, subject to the successful conclusion of all transition activities, in the second quarter of 2016 but no later than July 1, 2016.

NOTE 3 — SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATION

Basis of Presentation

The interim unaudited consolidated financial statements of Customers Bancorp, Inc. and subsidiaries have been prepared pursuant to the rules and regulations of the SEC. These interim unaudited consolidated financial statements reflect all normal and recurring adjustments that are, in the opinion of management, necessary to present a fair statement of the financial position and the results of operations and cash flows of Customers Bancorp and subsidiaries for the interim periods presented. Certain information and footnote disclosures normally included in the annual consolidated financial statements have been omitted from these interim unaudited consolidated financial statements as permitted by SEC rules and regulations. The December 31, 2015 consolidated balance sheet presented in this report has been derived from Customers Bancorp’s audited 2015 consolidated financial statements. Management believes that the disclosures are adequate to present fairly the consolidated financial statements as of the dates and for the periods presented. These interim unaudited consolidated financial statements should be read in conjunction with the 2015 consolidated financial statements of Customers Bancorp and subsidiaries included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015 filed with the SEC on February 26, 2016. That Form 10-K describes Customers Bancorp’s significant accounting policies, which include its policies on Principles of Consolidation; Cash and Cash Equivalents and Statements of Cash Flows; Restrictions on Cash and Amounts due from Banks; Investment Securities; Loan Accounting Framework; Allowance for Loan Losses; Goodwill; Investments in FHLB, Federal

8

Reserve Bank, and other restricted stock; Other Real Estate Owned; FDIC Loss Sharing Receivable and Clawback Liability; Bank-Owned Life Insurance; Bank Premises and Equipment; Treasury Stock; Income Taxes; Share-Based Compensation; Derivative Instruments and Hedging; Comprehensive Income; Earnings per Share and Segment Information. Certain prior period amounts have been reclassified to conform to current period presentation. Results for interim periods are not necessarily indicative of those that may be expected for the fiscal year.

Recently Issued Accounting Standards

In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09—Compensation—Stock Compensation: Improvements to Employee Share-Based Payment Accounting. The Board issued this ASU as part of its initiative to reduce complexity in accounting standards. The areas for simplification in this ASU involve several aspects of the accounting for employee share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. Some of the areas for simplification apply only to nonpublic entities. For public business entities, the amendments are effective for annual periods beginning after December 15, 2016, and interim periods within those annual periods. In addition, the amendments in this ASU eliminate the guidance in Topic 718 that was indefinitely deferred shortly after the issuance of FASB Statement No. 123 (revised 2004), Share-Based Payment. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-07—Investments—Equity Method and Joint Ventures. To simplify the accounting for equity method investments, the amendments in the ASU eliminate the requirement in Topic 323 that an entity retroactively adopt the equity method of accounting if an investment qualifies for use of the equity method as a result of an increase in the level of ownership or degree of influence. The amendments require that the equity method investor add the cost of acquiring the additional interest in the investee to the current basis of the investor’s previously held interest and adopt the equity method of accounting as of the date the investment becomes qualified for equity method accounting. The ASU is effective for all entities for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-06—Derivatives and Hedging: Contingent Put and Call Options in Debt Instruments. Topic 815 requires that embedded derivatives be separated from the host contract and accounted for separately as derivatives if certain criteria are met, including the “clearly and closely related” criterion. The amendments in this ASU clarify the requirements for assessing whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. An entity performing the assessment under the amendments is required to assess the embedded call (put) options solely in accordance with the four-step decision sequence. Namely, this decision sequence requires that an entity consider whether:

1. the payoff is adjusted based on changes in an index;

2. the payoff is indexed to an underlying other than interest rates or credit risk;

3. the debt involves a substantial premium or discount; and

4. the call (put) option is contingently exercisable.

The amendments apply to all entities that are issuers of or investors in debt instruments (or hybrid financial instruments that are determined to have a debt host) with embedded call (put) options. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-05—Derivatives and Hedging: Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships. The term novation refers to replacing one counterparty to a derivative instrument with a new counterparty. That change occurs for a variety of reasons, including financial institution mergers, intercompany transactions, an entity exiting a particular derivatives business or relationship, an entity managing against internal credit limits, or in response to laws or regulatory requirements.

The amendments in this ASU clarify that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815, does not, in and of itself, require dedesignation of that hedging relationship provided that

9

all other hedge accounting criteria continue to be met. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-04—Liabilities—Extinguishments of Liabilities: Recognition of Breakage for Certain Prepaid Stored-Value Products. When an entity sells a prepaid stored-value product (such as gift cards, telecommunication cards, and traveler’s checks), it recognizes a financial liability for its obligation to provide the product holder with the ability to purchase goods or services at a third-party merchant. When a prepaid stored-value product goes unused wholly or partially for an indefinite time period, the amount that remains on the product is referred to as breakage. There currently is diversity in the methodology used to recognize breakage. Subtopic 405-20 includes derecognition guidance for both financial liabilities and nonfinancial liabilities, and Topic 606, Revenue from Contracts with Customers, includes authoritative breakage guidance but excludes financial liabilities.

The amendments in this ASU provide a narrow scope exception to the guidance in Subtopic 405-20 to require that breakage be accounted for consistent with the breakage guidance in Topic 606. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, Leases. From the lessee's perspective, the new standard establishes a right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement for a lessees. From the lessor's perspective, the new standard requires a lessor to classify leases as either sales-type, finance or operating. A lease will be treated as a sale if it transfers all of the risks and rewards, as well as control of the underlying asset, to the lessee. If risks and rewards are conveyed without the transfer of control, the lease is treated as a financing. If the lessor doesn’t convey risks and rewards or control, an operating lease results.

The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. A modified retrospective transition approach is required for lessors for sales-type, direct financing, and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. Customers is currently evaluating the impact of the pending adoption of the new standard on its consolidated financial statements.

In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments - Overall. The guidance in this ASU among other things, (1) requires equity investments with certain exceptions, to be measured at fair value with changes in fair value recognized in net income, (2) simplifies the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment, (3) eliminates the requirement for public entities to disclose the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet, (4) requires public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes, (5) requires an entity to present separately in other comprehensive income the portion of the change in fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments, (6) requires separate presentation of financial assets and financial liabilities by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements and (7) clarifies that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities. The guidance in this ASU is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In November 2015, the FASB issued ASU 2015-17, Income Taxes. The amendments in this ASU, which will align the presentation of deferred income tax assets and liabilities with International Financial Reporting Standards (IFRS), require that deferred tax liabilities and assets be classified as non-current in a classified statement of financial position. The amendments in this ASU apply to all entities that present a classified statement of financial position. The current requirement that deferred tax liabilities and assets of a tax-paying component of an entity be offset and presented as a single amount is not affected by the amendments in this ASU.

10

For public business entities, the amendments in this ASU are effective for financial statements issued for annual periods beginning after December 15, 2016, and interim periods within those annual periods. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In September 2015, the FASB issued ASU 2015-16, Simplifying the Accounting for Measurement-Period Adjustments. To simplify the accounting for adjustments made to provisional amounts recognized in a business combination, the guidance in this ASU eliminates the requirement to retrospectively account for those adjustments and requires an entity to present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. The guidance in this ASU was effective for fiscal years beginning after December 15, 2015, including interim periods within those fiscal years and should be applied prospectively to adjustment to provisional amounts that occur after the effective date of this ASU. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In April 2015 and August 2015, the FASB issued ASU 2015-03, Simplifying the Presentation of Debt Issuance Costs and ASU2015-15, Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements- Amendments to SEC Paragraphs Pursuant to Staff Announcement at June 18, 2015 EITF Meeting, respectively. The guidance in these ASUs is intended to simplify presentation of debt issuance costs, and requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of the debt liability consistent with debt discounts and is applicable on a retrospective basis. The guidance in these ASUs was effective for interim and annual periods beginning after December 15, 2015. The adoption of these ASUs on January 1, 2016 resulted in a reclassification adjustment, which reduced "Other borrowings" by $1.8 million and "Subordinated debt" by $1.3 million with corresponding decrease in "Other assets" of $3.1 million as of December 31, 2015.

In February 2015, the FASB issued ASU 2015-02, Amendments to the Consolidation Analysis. The guidance in this ASU is intended to amend the update, which changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. The amendments in this ASU affect the following areas:

1. Limited partnerships and similar legal entities.

2. Evaluating fees paid to a decision maker or a service provider as a variable interest.

3. The effect of fee arrangements on the primary beneficiary determination.

4. The effect of related parties on the primary beneficiary determination.

5. Certain investment funds.

The guidance in this ASU was effective for annual and interim periods beginning after December 15, 2015. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In January 2015, the FASB issued ASU 2015-01, Income Statement - Extraordinary and Unusual Items - Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items. The guidance in this ASU was issued as part of the FASB's initiative to reduce complexity in accounting standards and eliminates from GAAP the concept of extraordinary items. The guidance in this ASU was effective in the first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging : Determining Whether the Host contract in a Hybrid Financial Instrument in the Form of a Share is More Akin to Debt or to Equity. The guidance in this ASU requires entities that issue or invest in a hybrid financial instrument to separate an embedded derivative feature from a host contract and account for the feature as a derivative. In the case of derivatives embedded in a hybrid financial instrument that is issued in the form of a share, that criterion requires evaluating whether the nature of the host contract is more akin to debt or to equity and whether the economic characteristics and risks of the embedded derivative feature are clearly and closely related to the host contract. If the host contract is akin to equity, then equity-like features (for example, a conversion option) are considered clearly and closely related to the host contract and, thus, would not be separated from the host contract. If the host contract is akin to debt, then equity-like features are not considered clearly and closely related to the host contract. In the latter case, an entity may be required to separate the equity-like embedded derivative feature from the debt host contract if certain other criteria in Subtopic 815-15 are met. Similarly, debt-like embedded derivative features may require separate accounting from an equity-like host contract. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In August 2014, the FASB issued ASU 2014-13, Consolidation: Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity. The guidance in this ASU applies to a reporting entity that is required to

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consolidate a collateralized financing entity under the Variable Interest Entities guidance when: (1) the reporting entity measures all of the financial assets and the financial liabilities of that consolidated collateralized financing entity at fair value in the consolidated financial statements based on other Codification Topics; and (2) the changes in the fair values of those financial assets and financial liabilities are reflected in earnings. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In June 2014, the FASB issued ASU 2014-12, Compensation-Stock Compensation. The guidance in this ASU requires that a performance target that affects vesting and that could be achieved after the requisite service period is treated as a performance condition. As such, the performance target should not be reflected in estimating the grant-date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite has already been rendered. If the performance target becomes probable of being achieved before the end of the requisite period, the remaining unrecognized cost should be recognized prospectively over the remaining requisite service period. The total amount of compensation cost recognized during and after the requisite service period should reflect the number of awards that are expected to vest and should be adjusted to reflect those awards that ultimately vest. The requisite service period ends when the employee can cease rendering service and still be eligible to vest in the award if the performance target is achieved. As indicated in the definition of vest, the stated vesting period (which includes the period in which the performance target could be achieved) may differ from the requisite service period. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers.  This ASU establishes a comprehensive revenue recognition standard for virtually all industries following U.S. GAAP, including those that previously followed industry-specific guidance such as the real estate and construction industries. The revenue standard’s core principal is built on the contract between a vendor and a customer for the provision of goods and services. It attempts to depict the exchange of rights and obligations between the parties in the pattern of revenue recognition based on the consideration to which the vendor is entitled. To accomplish this, the standard requires five basic steps: (i) identify the contract with the customer, (ii) identify the performance obligations in the contract, (iii) identify the transaction price, (iv) allocate the transaction price to the performance obligations in the contract, and (v) recognize revenue when (or as) the entity satisfies the performance obligation. Three basic transition methods are available - full retrospective, retrospective with certain practical expedients, and a cumulative effect approach. Under the cumulative effect alternative, an entity would apply the new revenue standard only to contracts that are incomplete under legacy U.S. GAAP at the date of initial application and recognize the cumulative effect of the new standard as an adjustment to the opening balance of retained earnings.

In August 2015, the FASB issued ASU 2015-14, Revenue fromContracts with Customers: Deferral of the Effective Date. The guidance in this ASU is now effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Customers does not expect this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-08—Revenue from Contracts with Customers: Principal versus Agent Considerations (Reporting Revenue Gross versus Net). While the ASU does not change the core provisions of Topic 606, it clarifies the implementation guidance on principal versus agent considerations. Namely, the ASU clarifies and offers guidance to help determine when the reporting entity is providing goods or services to a customer itself (i.e. the entity is a principal), or merely arranging for that good or service to be provided by the other party (i.e. the reporting entity is an agent). If the entity is a principal, it recognizes revenue in the gross amount of consideration to which it expects to be entitled in exchange for the specified good or service transferred to the customer. When the reporting entity is an agent, it recognizes revenue in the amount of any fee or commission to which it expects to be entitled in exchange for arranging for the specified good or service to be provided by the other party.

An entity is a principal if it controls the specified good or service before that good or service is transferred to a customer. The guidance includes indicators to assist in determining whether the Control criteria are met. If a contract with a customer includes more than one specified good or service, an entity could be a principal for some specified goods or services and an agent for others. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In March 2016, the FASB issued ASU No. 2016-10—Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing. This ASU clarifies guidance related to identifying performance obligations and licensing implementation guidance contained in the new revenue recognition standard. The ASU includes targeted improvements based on input the Board received from the Transition Resource Group for Revenue Recognition and other stakeholders. The ASU seeks to proactively address areas in which diversity in practice potentially could arise, as well as to reduce the cost and

12

complexity of applying certain aspects of the guidance both at implementation and on an ongoing basis. The amendments in this Update affect the guidance in Accounting Standards Update 2014-09, Revenue from Contracts with Customers, which will be effective for fiscal years beginning after December 31, 2016 for public entities. The effective date and transition requirements for the amendments in this Update are the same as those in Update 2014-09. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

NOTE 4 — CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT (1)

The following tables present the changes in accumulated other comprehensive income (loss) by component for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016
	Available-for-sale-securities
(amounts in thousands)	Unrealized Gains (Losses)			Foreign Currency Items			Total Unrealized Gains (Losses)			Unrealized Loss on Cash Flow Hedge			Total
Balance - December 31, 2015	$	(4,602	)	$	(584	)	$	(5,186	)	$	(2,798	)	$	(7,984	)
Other comprehensive income (loss) before reclassifications	4,255			37			4,292			(1,625		)	2,667
Amounts reclassified from accumulated other comprehensive loss to net income (2)	(16		)	—			(16		)	—			(16		)
Net current-period other comprehensive income (loss)	4,239			37			4,276			(1,625		)	2,651
Balance - March 31, 2016	$	(363	)	$	(547	)	$	(910	)	$	(4,423	)	$	(5,333	)

	Three Months Ended March 31, 2015
	Available-for-sale-securities
(amounts in thousands)	Unrealized Gains (Losses) (2)		Foreign Currency Items			Total Unrealized Gains (Losses)		Unrealized Loss on Cash Flow Hedge			Total
Balance - December 31, 2014	$	1,156	$	(14	)	$	1,142	$	(1,264	)	$	(122	)
Other comprehensive income (loss) before reclassifications	121		122			243		(1,168		)	(925		)
Amounts reclassified from accumulated other comprehensive loss to net income (2)	—		—			—		—			—
Net current-period other comprehensive income (loss)	121		122			243		(1,168		)	(925		)
Balance - March 31, 2015	$	1,277	$	108		$	1,385	$	(2,432	)	$	(1,047	)

(1) All amounts are presented net of tax. Amounts in parentheses indicate reductions to accumulated other comprehensive income.

(2) Reclassification amounts are reported as "Gain on sale of investment securities" on the Consolidated Statements of Income.

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NOTE 5 — EARNINGS PER SHARE

The following are the components and results of Customers' earnings per common share calculation for the periods presented.

	Three Months Ended March 31,
	2016		2015
(amounts in thousands, except share and per share data)
Net income available to common shareholders	$	16,413	$	13,952
Weighted-average number of common shares outstanding - basic	26,945,062		26,777,389
Share-based compensation plans	1,530,409		1,276,340
Warrants	307,630		284,074
Weighted-average number of common shares - diluted	28,783,101		28,337,803
Basic earnings per common share	$	0.61	$	0.52
Diluted earnings per common share	$	0.57	$	0.49

The following is a summary of securities that could potentially dilute basic earnings per common share in future periods that were not included in the computation of diluted earnings per common share because to do so would have been anti-dilutive for the periods presented.

	Three Months Ended March 31,
	2016	2015
Anti-dilutive securities:
Share-based compensation awards	606,995	18,683
Warrants	52,242	52,242
Total anti-dilutive securities	659,237	70,925

NOTE 6 — INVESTMENT SECURITIES

The amortized cost and approximate fair value of investment securities as of March 31, 2016 and December 31, 2015 are summarized in the tables below:

	March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	285,259	$	2,359	$	(1,329	)	$	286,289
Agency-guaranteed commercial real estate mortgage-backed securities	204,921		2,485		(9		)	207,397
Corporate notes (1)	44,927		303		(209		)	45,021
Equity securities (2)	22,514		—		(5,056		)	17,458
	$	557,621	$	5,147	$	(6,603	)	$	556,165

(1) Includes subordinated debt issued by other bank holding companies.

(2) Consists primarily of equity securities issued by a foreign entity.

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	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	299,392	$	1,453	$	(2,741	)	$	298,104
Agency-guaranteed commercial real estate mortgage-backed securities	206,719		—		(3,849		)	202,870
Corporate notes (1)	39,925		320		(178		)	40,067
Equity securities (2)	22,514		—		(3,302		)	19,212
	$	568,550	$	1,773	$	(10,070	)	$	560,253

(1) Includes subordinated debt issued by other bank holding companies.

(2) Consists primarily of equity securities issued by a foreign entity.

The following table presents proceeds from the sale of available-for-sale investment securities and gross gains and gross losses realized on those sales for the three months ended March 31, 2016 and 2015:

	Three Months Ended March 31,
	2016		2015
(amounts in thousands)
Proceeds from sale of available-for-sale securities	$	2,848	$	—
Gross gains	$	26	—
Gross losses	—		—
Net gains	$	26	$	—

These gains were determined using the specific identification method and were reported as gains on sale of investment securities included in non-interest income.

The following table presents available-for-sale debt securities by stated maturity. Debt securities backed by mortgages have expected maturities that differ from contractual maturities because borrowers have the right to call or prepay and, therefore, these debt securities are classified separately with no specific maturity date:

	March 31, 2016
	Amortized Cost		Fair Value
(amounts in thousands)
Due in one year or less	$	—	$	—
Due after one year through five years	—		—
Due after five years through ten years	37,927		37,911
Due after ten years	7,000		7,110
Agency-guaranteed residential mortgage-backed securities	285,259		286,289
Agency-guaranteed commercial real estate mortgage-backed securities	204,921		207,397
Total debt securities	$	535,107	$	538,707

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Gross unrealized losses and fair value of Customers' investments aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at March 31, 2016 and December 31, 2015 were as follows:

	March 31, 2016
	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	13,858	$	(23	)	$	56,604	$	(1,306	)	$	70,462	$	(1,329	)
Agency-guaranteed commercial real estate mortgage-backed securities	20,954		(9		)	—		—			20,954		(9		)
Corporate notes (1)	18,718		(209		)	—		—			18,718		(209		)
Equity securities (2)	17,452		(5,055		)	6		(1		)	17,458		(5,056		)
Total	$	70,982	$	(5,296	)	$	56,610	$	(1,307	)	$	127,592	$	(6,603	)

	December 31, 2015
	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	102,832	$	(535	)	$	57,357	$	(2,206	)	160,189		$	(2,741	)
Agency-guaranteed commercial real estate mortgage-backed securities	202,870		(3,849		)	—		—			202,870		(3,849		)
Corporate notes (1)	9,748		(178		)	—		—			9,748		(178		)
Equity securities (2)	19,206		(3,301		)	6		(1		)	19,212		(3,302		)
Total	$	334,656	$	(7,863	)	$	57,363	$	(2,207	)	$	392,019	$	(10,070	)

(1) Includes subordinated debt issued by other bank holding companies.    

(2)     Consists primarily of equity securities in a foreign entity.

At March 31, 2016, there were eight available-for-sale investment securities in the less-than-twelve-month category and thirteen available-for-sale investment securities in the twelve-month-or-more category. The unrealized losses on the mortgage-backed securities are guaranteed by government-sponsored entities and primarily relate to changes in market interest rates. All amounts are expected to be recovered when market prices recover or at maturity. The unrealized losses on the equity securities reflect decreases in market price and adverse changes in foreign currency exchange rates. Customers evaluated the financial condition and capital strength of the issuer of these securities and concluded that the decline in fair value was temporary and estimated the value could reasonably recover by way of increases in market price or positive changes in foreign currency exchange rates. Customers intends to hold these securities for the foreseeable future and does not intend to sell the securities before the price recovers. Customers considers it more likely than not that it will not be required to sell the securities. Accordingly, Customers concluded that the securities are not other-than-temporarily impaired as of March 31, 2016.

At March 31, 2016 and December 31, 2015, Customers Bank had pledged investment securities aggregating $286.3 million and $299.8 million fair value, respectively, as collateral against its borrowings primarily with the FHLB and an unused line of credit with another financial institution. These counterparties do not have the ability to sell or repledge these securities.

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NOTE 7 – LOANS HELD FOR SALE

The composition of loans held for sale as of March 31, 2016 and December 31, 2015 was as follows:

	March 31, 2016		December 31, 2015
(amounts in thousands)
Commercial loans:
Mortgage warehouse loans at fair value	$	1,940,558	$	1,754,950
Multi-family loans at lower of cost or fair value	27,678		39,257
Commercial loans held for sale	1,968,236		1,794,207
Consumer loans:
Residential mortgage loans at fair value	1,044		2,857
Loans held for sale	$	1,969,280	$	1,797,064

Effective September 30, 2015, Customers Bank transferred $30.4 million of multi-family loans from held for sale to loans receivable (held for investment) because the Bank no longer has the intent to sell these loans. Customers Bank transferred these loans at their carrying value, which was lower than the estimated fair value at the time of transfer.

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NOTE 8 — LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES

The following table presents loans receivable as of March 31, 2016 and December 31, 2015:

	March 31, 2016			December 31, 2015
(amounts in thousands)
Commercial:
Multi-family	$	3,210,177		$	2,909,439
Commercial and industrial (including owner occupied commercial real estate)	1,160,389			1,111,400
Commercial real estate non-owner occupied	1,052,162			956,255
Construction	103,061			87,240
Total commercial loans	5,525,789			5,064,334
Consumer:
Residential real estate	267,031			271,613
Manufactured housing	110,830			113,490
Other	3,474			3,708
Total consumer loans	381,335			388,811
Total loans receivable	5,907,124			5,453,145
Deferred costs and unamortized premiums, net	191			334
Allowance for loan losses	(37,605		)	(35,647		)
Loans receivable, net of allowance for loan losses	$	5,869,710		$	5,417,832

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The following tables summarize loans receivable by loan type and performance status as of March 31, 2016 and December 31, 2015:

	March 31, 2016
	30-89 Days Past Due (1)		90 Days Or More Past Due(1)		Total Past Due (1)		Non- Accrual		Current (2)		Purchased- Credit- Impaired Loans (3)		Total Loans (4)
(amounts in thousands)
Multi-family	$	—	$	—	$	—	$	—	$	3,206,569	$	3,608	$	3,210,177
Commercial and industrial	4		—		4		6,035		841,166		1,470		848,675
Commercial real estate - owner occupied	—		—		—		2,689		296,285		12,740		311,714
Commercial real estate - non-owner occupied	—		—		—		2,610		1,037,684		11,868		1,052,162
Construction	—		—		—		—		102,827		234		103,061
Residential real estate	3,487		—		3,487		2,325		253,006		8,213		267,031
Manufactured housing (5)	3,296		2,292		5,588		2,356		99,572		3,314		110,830
Other consumer	20		—		20		99		3,127		228		3,474
Total	$	6,807	$	2,292	$	9,099	$	16,114	$	5,840,236	$	41,675	$	5,907,124
	December 31, 2015
	30-89 Days Past Due (1)		90 Days Or More Past Due(1)		Total Past Due (1)		Non- Accrual		Current (2)		Purchased- Credit- Impaired Loans (3)		Total Loans (4)
(amounts in thousands)
Multi-family	$	—	$	—	$	—	$	—	$	2,905,789	$	3,650	$	2,909,439
Commercial and industrial	39		—		39		1,973		799,595		1,552		803,159
Commercial real estate - owner occupied	268		—		268		2,700		292,312		12,961		308,241
Commercial real estate - non-owner occupied	1,997		—		1,997		1,307		940,895		12,056		956,255
Construction	—		—		—		—		87,006		234		87,240
Residential real estate	2,986		—		2,986		2,202		257,984		8,441		271,613
Manufactured housing (5)	3,752		2,805		6,557		2,449		101,132		3,352		113,490
Other consumer	107		—		107		140		3,227		234		3,708
Total	$	9,149	$	2,805	$	11,954	$	10,771	$	5,387,940	$	42,480	$	5,453,145

(1) Includes past due loans that are accruing interest because collection is considered probable.

(2) Loans where next payment due is less than 30 days from the report date.

(3) Purchased-credit-impaired loans aggregated into a pool are accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows, and the past due status of the pools, or that of the individual loans within the pools, is not meaningful. Because of the credit impaired nature of the loans, the loans are recorded at a discount reflecting estimated future cash flows and the Bank recognizes interest income on each pool of loans reflecting the estimated yield and passage of time. Such loans are considered to be performing. Purchased-credit-impaired loans that are not in pools accrete interest when the timing and amount of their expected cash flows are reasonably estimable, and are reported as performing loans.

(4) Amounts exclude deferred costs and fees, unamortized premiums and discounts, and the allowance for loan losses.

(5) Manufactured housing loans purchased in 2010 are subject to cash reserves held at the Bank that are used to fund past-due payments when the loan becomes 90 days or more delinquent. Subsequent purchases are subject to varying provisions in the event of borrowers’ delinquencies.

As of March 31, 2016 and December 31, 2015, the Bank had $1.2 million and $1.2 million, respectively, of residential real estate held in other real estate owned. As of March 31, 2016 and December 31, 2015, the Bank had initiated foreclosure proceedings on $0.9 million and $0.6 million, respectively, on loans secured by residential real estate.

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Allowance for loan losses

During second quarter 2015, the Bank refined its methodology for estimating the general allowance for loan losses. Previously, the general allowance for the portion of the loan portfolio originated after December 31, 2009 ("Post 2009 loan portfolio") was based generally on qualitative factors due to insufficient historical loss data on the portfolio. During second quarter 2015, the Bank began using objectively verifiable industry and peer loss data to estimate probable incurred losses as of the balance sheet date for the Post 2009 loan portfolio until sufficient internal loss history is available. The same methodology was also adopted for the portion of the loan portfolio originated on or before December 31, 2009 ("Legacy loan portfolio") that had no loss history over the past two years.

The changes in the allowance for loan losses for the three months ended March 31, 2016 and 2015 and the loans and allowance for loan losses by loan class based on impairment evaluation method as of March 31, 2016 and December 31, 2015 are as follows. The amounts presented for the provision for loan losses below do not include the effect of changes to estimated benefits resulting from the FDIC loss share arrangements for the covered loans.

Three Months Ended March 31, 2016	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction			Residential Real Estate		Manufactured Housing			Other Consumer			Total
(amounts in thousands)
Ending Balance, December 31, 2015	$	12,016	$	8,864	$	1,348	$	8,420	$	1,074		$	3,298	$	494		$	133		$	35,647
Charge-offs	—		—		—		—		—			—		—			(42		)	(42		)
Recoveries	—		56		—		8		433			—		—			—			497
Provision for loan losses	119		1,039		62		120		(243		)	378		(26		)	54			1,503
Ending Balance, March 31, 2016	$	12,135	$	9,959	$	1,410	$	8,548	$	1,264		$	3,676	$	468		$	145		$	37,605
As of March 31, 2016
Loans:
Individually evaluated for impairment	$	393	$	27,286	$	9,936	$	4,624	$	—		$	4,843	$	8,898		$	98		$	56,078
Collectively evaluated for impairment	3,206,176		819,919		289,038		1,035,670		102,827			253,975		98,618			3,148			5,809,371
Loans acquired with credit deterioration	3,608		1,470		12,740		11,868		234			8,213		3,314			228			41,675
	$	3,210,177	$	848,675	$	311,714	$	1,052,162	$	103,061		$	267,031	$	110,830		$	3,474		$	5,907,124
Allowance for loan losses:
Individually evaluated for impairment	$	209	$	2,834	$	1	$	135	$	—		$	445	$	—		$	46		$	3,670
Collectively evaluated for impairment	11,926		6,906		1,409		4,229		1,264			2,193		97			43			28,067
Loans acquired with credit deterioration	—		219		—		4,184		—			1,038		371			56			5,868
	$	12,135	$	9,959	$	1,410	$	8,548	$	1,264		$	3,676	$	468		$	145		$	37,605

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Three Months Ended March 31, 2015	Multi-family			Commercial and Industrial			Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied			Construction			Residential Real Estate		Manufactured Housing		Other Consumer			Total
(amounts in thousands)
Ending Balance, December 31, 2014	$	8,493		$	4,784		$	4,336	$	9,198		$	1,047		$	2,698	$	262	$	114		$	30,932
Charge-offs	—			(21		)	—		(318		)	(769		)	—		—		(36		)	(1,144		)
Recoveries	—			22			14		9			15			—		—		83			143
Provision for loan losses	(297		)	1,962			233		849			559			297		84		(52		)	3,635
Ending Balance, March 31, 2015	$	8,196		$	6,747		$	4,583	$	9,738		$	852		$	2,995	$	346	$	109		$	33,566
As of December 31, 2015
Loans:
Individually evaluated for impairment	$	661		$	17,621		$	8,329	$	4,831		$	—		$	4,726	$	8,300	$	140		$	44,608
Collectively evaluated for impairment	2,905,128			783,986			286,951		939,368			87,006			258,446		101,838		3,334			5,366,057
Loans acquired with credit deterioration	3,650			1,552			12,961		12,056			234			8,441		3,352		234			42,480
	$	2,909,439		$	803,159		$	308,241	$	956,255		$	87,240		$	271,613	$	113,490	$	3,708		$	5,453,145
Allowance for loan losses:
Individually evaluated for impairment	$	—		$	1,990		$	1	$	148		$	—		$	84	$	—	$	50		$	2,273
Collectively evaluated for impairment	12,016			6,650			1,347		3,858			1,074			2,141		98		28			27,212
Loans acquired with credit deterioration	—			224			—		4,414			—			1,073		396		55			6,162
	$	12,016		$	8,864		$	1,348	$	8,420		$	1,074		$	3,298	$	494	$	133		$	35,647

Certain manufactured housing loans were purchased in August 2010. A portion of the purchase price may be used to reimburse the Bank under the specified terms in the purchase agreement for defaults of the underlying borrower and other specified items. At March 31, 2016 and December 31, 2015, funds available for reimbursement, if necessary, were $1.4 million and $1.2 million, respectively. Each quarter, these funds are evaluated to determine if they would be sufficient to absorb the probable incurred losses within the manufactured housing portfolio.

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Loans Individually Evaluated for Impairment

The following tables present the recorded investment (net of charge-offs), unpaid principal balance, and related allowance by loan type for loans that are individually evaluated for impairment as of March 31, 2016 and December 31, 2015 and the average recorded investment and interest income recognized for the three months ended March 31, 2016 and 2015. Purchased-credit-impaired loans are considered to be performing and are not included in the tables below.

	March 31, 2016						Three Months Ended March 31, 2016
	Recorded Investment Net of Charge offs		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
(amounts in thousands)
With no related allowance recorded:
Multi-family	$	—	$	—	$	—	$	331	$	—
Commercial and industrial	18,950		19,921		—		15,503		187
Commercial real estate owner occupied	9,924		9,924		—		9,121		94
Commercial real estate non-owner occupied	4,083		4,083		—		4,180		23
Construction	—		—		—		—		—
Other consumer	45		45		—		47		—
Residential real estate	4,154		4,154		—		4,243		24
Manufactured housing	8,898		8,898		—		8,599		109
With an allowance recorded:
Multi-family	393		393		209		197		5
Commercial and industrial	8,336		8,685		2,834		6,951		71
Commercial real estate owner occupied	12		12		1		12		—
Commercial real estate non-owner occupied	541		541		135		548		2
Construction	—		—		—		—		—
Other consumer	53		53		46		73		—
Residential real estate	689		689		445		542		—
Total	$	56,078	$	57,398	$	3,670	$	50,347	$	515

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	December 31, 2015						Three Months Ended March 31, 2015
	Recorded Investment Net of Charge offs		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
(amounts in thousands)
With no related allowance recorded:
Multi-family	$	661	$	661	$	—	$	—	$	—
Commercial and industrial	12,056		13,028		—		10,374		164
Commercial real estate owner occupied	8,317		8,317		—		8,668		110
Commercial real estate non-owner occupied	4,276		4,276		—		6,587		83
Construction	—		—		—		2,325		—
Other consumer	48		48		—		21		—
Residential real estate	4,331		4,331		—		3,781		21
Manufactured housing	8,300		8,300		—		2,653		23
With an allowance recorded:
Commercial and industrial	5,565		5,914		1,990		4,156		5
Commercial real estate - owner occupied	12		12		1		800		—
Commercial real estate non-owner occupied	555		555		148		610		—
Construction	—		—		—		—		—
Other consumer	92		92		50		84		1
Residential real estate	395		395		84		364		—
Total	$	44,608	$	45,929	$	2,273	$	40,423	$	407

Troubled Debt Restructurings

At March 31, 2016 and December 31, 2015, there were $14.0 million and $11.4 million, respectively, in loans reported as troubled debt restructurings (“TDRs”). TDRs are reported as impaired loans in the calendar year of their restructuring and are evaluated to determine whether they should be placed on non-accrual status. In subsequent years, a TDR may be returned to accrual status if it satisfies a minimum six-month performance requirement; however, it will remain classified as impaired. Generally, the Bank requires sustained performance for nine months before returning a TDR to accrual status.

Modification of purchased-credit-impaired loans that are accounted for within loan pools in accordance with the accounting standards for purchased-credit-impaired loans do not result in the removal of these loans from the pool even if modifications would otherwise be considered a TDR. Accordingly, as each pool is accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows, modifications of loans within such pools are not considered TDRs.

The following is an analysis of loans modified in a troubled debt restructuring by type of concession for the three months ended March 31, 2016 and 2015. There were no modifications that involved forgiveness of debt.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
(dollars in thousands)
Extensions of maturity	3	$	1,995	—	$	—
Interest-rate reductions	23	864		3	405
Total	26	$	2,859	3	$	405

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The following table provides, by loan type, the number of loans modified in troubled debt restructurings and the related recorded investment during the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
(dollars in thousands)
Commercial and industrial	1	$	76	—	$	—
Commercial real estate non-owner occupied	1	1,844		—	—
Manufactured housing	23	864		2	207
Residential real estate	1	75		1	198
Total loans	26	$	2,859	3	$	405

At March 31, 2016 and December 31, 2015, there were no commitments to lend additional funds to debtors whose terms have been modified in TDRs.

As of March 31, 2016, thirty-six manufactured housing loans totaling $1.9 million, two commercial and industrial loans totaling $0.5 million, and one commercial real estate non-owner occupied loan totaling $0.2 million modified as TDRs within the past twelve months, defaulted on payments. As of March 31, 2015, six manufactured housing loans totaling $0.5 million were modified as TDRs within the last twelve months, defaulted on payments.

Loans modified in troubled debt restructurings are evaluated for impairment. The nature and extent of impairment of TDRs, including those which have experienced a subsequent default, is considered in the determination of an appropriate level of allowance for loan losses. There were three specific allowances as a result of TDR modifications during the three months ended March 31, 2016, totaling $0.2 million for two commercial and industrial loans, and $0.1 million for one commercial real estate non-owner-occupied loan. There were zero specific allowances resulting from TDR modifications during the three months ended March 31, 2015.

Purchased Credit Impaired Loans

The changes in accretable yield related to purchased-credit-impaired loans for the three months ended March 31, 2016 and 2015 were as follows:

	Three Months Ended March 31,
	2016			2015
(amounts in thousands)
Accretable yield balance, ending balance prior year	$	12,947		$	17,606
Accretion to interest income	(470		)	(660		)
Reclassification from nonaccretable difference and disposals, net	145			(1,522		)
Accretable yield balance, end of period	$	12,622		$	15,424

Allowance for Loan Losses and the FDIC Loss Sharing Receivable and Clawback Liability

Losses incurred on covered loans are eligible for partial reimbursement by the FDIC. Subsequent to the purchase date, the expected cash flows on the covered loans are subject to evaluation. Decreases in the present value of expected cash flows on the covered loans are recognized by increasing the allowance for loan losses with a related charge to the provision for loan losses. At the same time, the FDIC indemnification asset is increased reflecting an estimated future collection from the FDIC, which is recorded as a reduction to the provision for loan losses. If the expected cash flows on the covered loans increase such that a previously recorded impairment can be reversed, the Bank records a reduction in the allowance for loan losses (with a related credit to the provision for loan losses) accompanied by a reduction in the FDIC receivable balance (with a related charge to the provision for loan losses). Increases in expected cash flows on covered loans and decreases in expected cash flows from the FDIC loss sharing receivable, when there are no previously recorded impairments, are considered together and recognized over the remaining life of the loans as interest income. Decreases in the valuations of other real estate owned

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covered by the loss sharing agreements are recorded net of the estimated FDIC receivable as an increase to other real estate owned expense (a component of non-interest expense).

The FDIC loss sharing receivable balance will be reduced through a charge to the provision for loan losses, with no offsetting reduction to the allowance for loan losses, as the period to submit losses under the FDIC loss sharing arrangements approaches expiration and the estimated losses in the covered loans have not yet emerged or been realized in a final disposition event. The period to submit losses under the FDIC loss sharing arrangements for non-single family loans expired in third quarter 2015. The period to submit losses under the FDIC loss sharing arrangements for single family loans expires in third quarter 2017. The final maturity of the FDIC loss sharing arrangements occurs in third quarter 2020. As of March 31, 2016 and December 31, 2015, loans covered under loss sharing arrangements with the FDIC were $13.2 million and $13.8 million, respectively.

As part of the FDIC loss sharing arrangements, Customers also assumed a liability to be paid within 45 days days subsequent to the maturity or termination of the loss sharing arrangements that is contingent upon actual losses incurred over the life of the arrangements relative to expected losses and the consideration paid upon acquisition of the failed institutions ("the Clawback Liability”). Due to cash received on the covered assets in excess of the original expectations of the FDIC, the Bank anticipates that it will be required to pay the FDIC at the end of its loss sharing arrangements. As of March 31, 2016, a clawback liability of $2.4 million has been recorded. To the extent actual losses on the covered assets are less than estimated losses, the clawback liability will increase. To the extent actual losses on the covered assets are more than the estimated losses, the clawback liability will decrease.

As of March 31, 2016, the Bank expected to pay $0.1 million to the FDIC resulting from a recovery of previously reimbursed loss amounts, net of estimated losses and reimbursement of external costs, such as legal fees, real estate taxes and appraisal expenses, and estimated the clawback liability due to the FDIC in 2020 at $2.4 million. The net amount of $2.5 million is presented as the "Accrued interest payable and other liabilities" in the accompanying consolidated balance sheet.

The following table presents changes in the allowance for loan losses and the FDIC loss sharing receivable, including the effect of the estimated clawback liability for the three months ended March 31, 2016 and 2015.

	Allowance for Loan Losses
	Three Months Ended March 31,
(amounts in thousands)	2016			2015
Ending balance, prior year	$	35,647		$	30,932
Provision for loan losses (1)	1,503			3,635
Charge-offs	(42		)	(1,144		)
Recoveries	497			143
Ending balance	$	37,605		$	33,566

	FDIC Loss Sharing Receivable/ Clawback Liability
	Three Months Ended March 31,
(amounts in thousands)	2016			2015
Ending balance, prior year	$	(2,083	)	$	2,320
Increased (decreased) estimated cash flows (2)	(477		)	671
Other activity, net (a)	(304		)	134
Cash payments to the FDIC	320			302
Ending balance	$	(2,544	)	$	3,427
(1) Provision for loan losses	$	1,503		$	3,635
(2) Effect attributable to FDIC loss share arrangements	477			(671		)
Net amount reported as provision for loan losses	$	1,980		$	2,964

(a) Includes external costs, such as legal fees, real estate taxes, and appraisal expenses, which qualify for reimbursement under loss sharing arrangements.

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Credit Quality Indicators

Multi-family, commercial and industrial, owner occupied commercial real estate, non-owner occupied commercial real estate, construction, and residential real estate loans are rated based on an internally assigned risk rating system which is assigned at the time of loan origination and reviewed on a periodic, or on an “as needed,” basis. Manufactured housing and other consumer loans are evaluated based on the payment activity of the loan and individual loans are not assigned an internal risk rating unless delinquent.

To facilitate the monitoring of credit quality within the multi-family, commercial and industrial, owner occupied commercial real estate, non-owner occupied commercial real estate, construction and residential real estate classes, and for purposes of analyzing historical loss rates used in the determination of the allowance for loan losses for the respective portfolio class, the Bank utilizes the following categories of risk ratings: pass/satisfactory (includes risk rating 1 through 6), special mention, substandard, doubtful, and loss. The risk rating categories, which are derived from standard regulatory rating definitions, are assigned upon initial approval of credit to borrowers and updated periodically thereafter. Pass/satisfactory ratings, which are assigned to those borrowers who do not have identified potential or well-defined weaknesses and for whom there is a high likelihood of orderly repayment, are updated periodically based on the size and credit characteristics of the borrower. All other categories are updated on a quarterly basis during the month preceding the end of the calendar quarter. While assigning risk ratings involves judgment, the risk-rating process allows management to identify riskier credits in a timely manner and allocate the appropriate resources to manage those loans.

The risk rating grades are defined as follows:

“1” – Pass/Excellent

Loans rated 1 represent a credit extension of the highest quality. The borrower’s historic (at least five years) cash flows manifest extremely large and stable margins of coverage. Balance sheets are conservative, well capitalized, and liquid. After considering debt service for proposed and existing debt, projected cash flows continue to be strong and provide ample coverage. The borrower typically reflects broad geographic and product diversification and has access to alternative financial markets.

“2” – Pass/Superior

Loans rated 2 are those for which the borrower has a strong financial condition, balance sheet, operations, cash flow, debt capacity and coverage with ratios better than industry norms. The borrowers of these loans exhibit a limited leverage position, are virtually immune to local economies, and are in stable growing industries. The management team is well respected and the company has ready access to public markets.

“3” – Pass/Strong

Loans rated 3 are those loans for which the borrowers have above average financial condition and flexibility; more than satisfactory debt service coverage; balance sheet and operating ratios are consistent with or better than industry peers; have little industry risk; move in diversified markets; and are experienced and competent in their industry. These borrowers’ access to capital markets is limited mostly to private sources, often secured, but the borrower typically has access to a wide range of refinancing alternatives.

“4” – Pass/Good

Loans rated 4 have a sound primary and secondary source of repayment. The borrower may have access to alternative sources of financing, but sources are not as widely available as they are to a higher grade borrower. These loans carry a normal level of risk, with very low loss exposure. The borrower has the ability to perform according to the terms of the credit facility. The margins of cash flow coverage are satisfactory but vulnerable to more rapid deterioration than the higher quality loans.

“5” – Satisfactory

Loans rated 5 are extended to borrowers who are determined to be a reasonable credit risk and demonstrate the ability to repay the debt from normal business operations. Risk factors may include reliability of margins and cash flows, liquidity, dependence on a single product or industry, cyclical trends, depth of management, or limited access to alternative financing sources. The borrower’s historical financial information may indicate erratic performance, but current trends are positive and the quality of

26

financial information is adequate, but is not as detailed and sophisticated as information found on higher grade loans. If adverse circumstances arise, the impact on the borrower may be significant.

“6” – Satisfactory/Bankable with Care

Loans rated 6 are those for which the borrower has higher than normal credit risk; however, cash flow and asset values are generally intact. These borrowers may exhibit declining financial characteristics, with increasing leverage and decreasing liquidity and may have limited resources and access to financial alternatives. Signs of weakness in these borrowers may include delinquent taxes, trade slowness and eroding profit margins.

“7” – Special Mention

Loans rated Special Mention are credit facilities that may have potential developing weaknesses and deserve extra attention from the account manager and other management personnel. In the event that potential weaknesses are not corrected or mitigated, deterioration in the ability of the borrower to repay the debt in the future may occur. This grade is not assigned to loans that bear certain peculiar risks normally associated with the type of financing involved, unless circumstances have caused the risk to increase to a level higher than would have been acceptable when the credit was originally approved. Loans where significant actual, not potential, weaknesses or problems are clearly evident are graded in the category below.

“8” – Substandard

Loans are classified Substandard when the loans are inadequately protected by the current sound worth and payment capacity of the obligor or of the collateral pledged, if any. Loans so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt and are characterized by the distinct possibility that the company will sustain some loss if the weaknesses are not corrected.

“9” – Doubtful

The Bank assigns a doubtful rating to loans that have all the attributes of a substandard rating with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. The possibility of loss is extremely high, but because of certain important and reasonable specific pending factors that may work to the advantage of and strengthen the credit quality of the loan, its classification as an estimated loss is deferred until its more exact status may be determined. Pending factors may include a proposed merger or acquisition, liquidation proceeding, capital injection, perfecting liens on additional collateral or refinancing plans.

“10” – Loss

The Bank assigns a loss rating to loans considered uncollectible and of such little value that their continuance as an active asset is not warranted. Amounts classified as loss are immediately charged off.

Risk ratings are not established for certain consumer loans, including home equity, manufactured housing, and installment loans, mainly because these portfolios consist of a larger number of homogeneous loans with smaller balances. Instead, these portfolios are evaluated for risk mainly based upon aggregate payment history through the monitoring of delinquency levels and trends and are classified as performing and non-performing.

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The following tables present the credit ratings of the loans receivable portfolio as of March 31, 2016 and December 31, 2015.

	March 31, 2016
	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction		Residential Real Estate		Manufactured Housing		Other Consumer		Total
(amounts in thousands)
Pass/Satisfactory	$	3,208,368	$	820,836	$	299,042	$	1,047,331	$	103,061	$	263,517	$	—	$	—	$	5,742,155
Special Mention	393		19,911		8,059		2,053		—		280		—		—		30,696
Substandard	1,416		7,928		4,613		2,778		—		3,234		—		—		19,969
Performing (1)	—		—		—		—		—		—		102,886		3,355		106,241
Non-performing (2)	—		—		—		—		—		—		7,944		119		8,063
Total	$	3,210,177	$	848,675	$	311,714	$	1,052,162	$	103,061	$	267,031	$	110,830	$	3,474	$	5,907,124

	December 31, 2015
	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction		Residential Real Estate		Manufactured Housing		Other Consumer		Total
(amounts in thousands)
Pass/Satisfactory	$	2,907,362	$	784,892	$	295,762	$	950,886	$	87,240	$	268,210	$	—	$	—	$	5,294,352
Special Mention	661		14,052		7,840		1,671		—		282		—		—		24,506
Substandard	1,416		4,215		4,639		3,698		—		3,121		—		—		17,089
Performing (1)	—		—		—		—		—		—		104,484		3,461		107,945
Non-performing (2)	—		—		—		—		—		—		9,006		247		9,253
Total	$	2,909,439	$	803,159	$	308,241	$	956,255	$	87,240	$	271,613	$	113,490	$	3,708	$	5,453,145

(1) Includes consumer and other installment loans not subject to risk ratings.

(2) Includes loans that are past due and still accruing interest and loans on nonaccrual status.

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NOTE 9 - SHAREHOLDERS’ EQUITY

On January 29, 2016, Customers Bancorp issued 1,000,000 shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D (the "Series D Preferred Stock") at a price of $25.00 per share in a public offering. Dividends on the Series D Preferred Stock will accrue and be payable quarterly in arrears, at a fixed rate per annum equal to 6.50% from the original issue date to, but excluding, March 15, 2021, and thereafter at a floating rate per annum equal to three-month LIBOR on the related dividend determination date plus a spread of 5.09% per annum.

Customers received net proceeds after expenses of $24.1 million from the offering, after deducting offering costs. The net proceeds will be used for general corporate purposes, which may include working capital and the funding of organic growth at Customers Bank.

On May 18, 2015, Customers Bancorp issued 2,300,000 shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series C, (the "Series C Preferred Stock") par value $1.00 per share, with a liquidation preference of $25.00 per share. Customers Bancorp will pay dividends on the Series C Preferred Stock only when, as, and if declared by the board of directors or a duly authorized committee of the board and to the extent that it has lawfully available funds to pay dividends. Dividends on the Series C Preferred Stock will accrue and be payable quarterly in arrears, on the 15th day of March, June, September, and December of each year, commencing on September 15, 2015, at a fixed rate per annum equal to 7.00% from the original issue date to, but excluding, June 15, 2020, and thereafter at a floating rate per annum equal to three-month LIBOR on the related dividend determination date plus a spread of 5.30% per annum.

Dividends on the Series C and Series D Preferred Stock will not be cumulative. If Customers Bancorp's board of directors or a duly authorized committee of the board does not declare a dividend on the Series C and Series D Preferred Stock in respect of a dividend period, then no dividend shall be deemed to have accrued for such dividend period, be payable on the applicable dividend payment date, or be cumulative, and Customers Bancorp will have no obligation to pay any dividend for that dividend period, whether or not the board of directors or a duly authorized committee of the board declares a dividend on the Series C and Series D Preferred Stock for any future dividend period.

The Series C and Series D Preferred Stock have no stated maturity, are not subject to any mandatory redemption, sinking fund or other similar provisions and will remain outstanding unless redeemed at Customers Bancorp's option. Customers Bancorp may redeem the Series C and Series D Preferred Stock at its option, at a redemption price equal to $25.00 per share, plus any declared and unpaid dividends (without regard to any undeclared dividends), (i) in whole or in part, from time to time, on any dividend payment date on or after June 15, 2020 for Series C Preferred Stock and May 15, 2021 for Series D Preferred Stock or (ii) in whole but not in part, within 90 days following the occurrence of a regulatory capital treatment event. Any redemption of the Series C and Series D Preferred Stock are subject to prior approval of the Board of Governors of the Federal Reserve System. The Series C and Series D Preferred Stock qualify as Tier 1 capital under regulatory capital guidelines. Except in limited circumstances, the Series C and Series D Preferred Stock do not have any voting rights.

On March 15, 2016, Customers paid a quarterly cash dividend on its Series C Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock of $0.4375 per share to shareholders of record on February 29, 2016.

On March 15, 2016, Customers also paid a quarterly cash dividend on its Series D Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock of $0.2076 per share to shareholders of record on February 29, 2016.

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NOTE 10 — SHARE-BASED COMPENSATION

Stock Options

The following table summarizes stock option activity for the three months ended March 31, 2016.

	Number of Options		Weighted- average Exercise Price		Weighted- average Remaining Contractual Term in Years	Aggregate Intrinsic Value
(amounts in thousands, except Weighted-average exercise price)
Outstanding at December 31, 2015	3,731,761		$	14.33
Granted	10,000		26.55
Exercised	(31,169	)	10.76			394
Forfeited	—		—
Expired	—		—
Outstanding at March 31, 2016	3,710,592		$	14.40	6.55	$	34,290
Exercisable at March 31, 2016	905,561		$	9.57	4.30	$	12,731

Cash received from the exercise of options during the three months ended March 31, 2016 was $0.3 million with a related tax benefit of $0.1 million.

Restricted Stock Units

There were 149,706 restricted stock units granted during the three months ended March 31, 2016. Of the aggregate restricted stock units granted, 86,654 were granted under the Bonus Recognition and Retention Program and are subject to five-year cliff vesting. The remaining units were granted under the Bancorp's Restated and Amended 2004 Incentive Equity and Deferred Compensation Plan and are subject to either a three-year waterfall vesting with one third of the amount vesting annually or a three-year cliff vesting. The following table summarizes restricted stock unit activity for the three months ended March 31, 2016.

	Restricted Stock Units		Weighted- average Grant- date Fair Value
Outstanding and unvested at December 31, 2015	873,264		$	14.24
Granted	149,706		22.96
Vested	(97,298	)	14.78
Forfeited	(198	)	17.65
Outstanding and unvested at March 31, 2016	925,474		$	15.59

Total share-based compensation expense for the three months ended March 31, 2016 and 2015 was $1.4 million and $1.2 million, respectively.

Customers Bancorp has a policy that permits its directors to elect to receive shares of voting common stock in lieu of their cash retainers. During the three months ended March 31, 2016, Customers Bancorp issued 11,068 shares of voting common stock with a fair value of $0.3 million to directors as compensation for their services during the first three months of 2016. The fair values were determined based on the opening price of the common stock on the day the shares were issued.

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NOTE 11 — REGULATORY CAPITAL

The Bank and the Bancorp are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet the minimum capital requirements can result in certain mandatory, and possibly additional discretionary, actions by regulators that, if undertaken, could have a direct material effect on Customers' financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Bank and Bancorp must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance sheet items, as calculated under the regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors. Prompt corrective action provisions are not applicable to bank holding companies.

Quantitative measures established by regulation to ensure capital adequacy require the Bank and Bancorp to maintain minimum amounts and ratios (set forth in the following table) of common equity, total and Tier 1 capital to risk-weighted assets and of Tier 1 capital to average assets (as defined in the regulations). At March 31, 2016 and December 31, 2015, the Bank and Bancorp met all capital adequacy requirements to which they were subject.

The Dodd-Frank Act required the FRB to establish minimum consolidated capital requirements for bank holding companies that are as stringent as those required for insured depositary subsidiaries. In 2013, the federal banking agencies approved rules that implemented the Dodd-Frank requirements and certain other regulatory capital reforms effective January 1, 2015, that (i) introduced a new capital ratio pursuant to the prompt corrective action provisions, the common equity tier 1 capital to risk rated assets ratio, (ii) increased the adequately capitalized and well capitalized thresholds for the Tier 1 risk based capital ratios to 6% and 8%, respectively, (iii) changed the treatment of certain capital components for determining Tier 1 and Tier 2 capital, and (iv) changed the risk weighting of certain assets and off balance sheet items in determining risk weighted assets.

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To be categorized as well capitalized, an institution must maintain minimum common equity Tier 1, Tier 1 risk based, total risk based and Tier 1 leveraged ratios as set forth in the following table:

	Actual				For Capital Adequacy Purposes (Minimum Plus Capital Buffer)				To Be Well Capitalized Under Prompt Corrective Action Provisions
(amounts in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of March 31, 2016:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	518,117	7.201	%	$	368,754	5.125	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	367,589	5.125	%	$	466,210	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	597,794	8.308	%	$	476,681	6.625	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	475,176	6.625	%	$	573,797	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	740,646	10.294	%	$	620,585	8.625	%	N/A		N/A
Customers Bank	$	777,883	10.845	%	$	618,625	8.625	%	$	717,246	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	597,794	7.151	%	$	334,366	4.000	%	N/A		N/A
Customers Bank	$	631,569	7.575	%	$	333,494	4.000	%	$	416,868	5.000	%
As of December 31, 2015:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	500,624	7.610	%	$	296,014	4.500	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	294,916	4.500	%	$	425,990	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	556,193	8.460	%	$	394,685	6.000	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	393,221	6.000	%	$	524,295	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	698,323	10.620	%	$	526,247	8.000	%	N/A		N/A
Customers Bank	$	710,864	10.850	%	$	524,295	8.000	%	$	655,369	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	556,193	7.160	%	$	310,812	4.000	%	N/A		N/A
Customers Bank	$	565,217	7.300	%	$	309,883	4.000	%	$	387,353	5.000	%

The risk-based capital rules adopted effective January 1, 2015 require that banks and holding companies maintain a "capital conservation buffer" of 250 basis points in excess of the "minimum capital ratio." The minimum capital ratio is equal to the prompt corrective action adequately capitalized threshold ratio. The capital conservation buffer will be phased in over four years beginning on January 1, 2016, with a maximum buffer of 0.625% of risk weighted assets for 2016, 1.25% for 2017, 1.875% for 2018, and 2.5% for 2019 and thereafter.

Effective January 1, 2016, the new minimum capital level requirements (including the capital conservation buffer) applicable to the Bancorp and the Bank were as follows:

(i) a common equity Tier 1 capital ratio of 5.125%;

(ii) a Tier 1 Risk based capital ratio of 6.625%; and

(iii) a Total Risk based capital ratio of 8.625%.

Failure to maintain the required capital conservation buffer will result in limitations on capital distributions and on discretionary bonuses to executive officers.

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NOTE 12 — DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS

Customers uses fair value measurements to record fair value adjustments to certain assets and liabilities and to disclose the fair value of its financial instruments. FASB Accounting Standards Codification ("ASC") Topic 825, Financial Instruments, requires disclosure of the estimated fair value of an entity’s assets and liabilities considered to be financial instruments. For Customers, as for most financial institutions, the majority of its assets and liabilities are considered to be financial instruments. However, many of these instruments lack an available trading market as characterized by a willing buyer and willing seller engaging in an exchange transaction. For fair value disclosure purposes, Customers utilized certain fair value measurement criteria under the FASB ASC Topic 820, Fair Value Measurements and Disclosures, as explained below.

In accordance with ASC 820, the fair value of a financial instrument is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for Customers' various financial instruments. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

The fair value guidance provides a consistent definition of fair value, focusing on an exit price in an orderly transaction (that is, not a forced liquidation or distressed sale) between market participants at the measurement date under current market conditions. If there has been a significant decrease in the volume and level of activity for the asset or liability, a change in valuation technique or the use of multiple valuation techniques may be appropriate. In such instances, determining the price at which willing market participants would transact at the measurement date under current market conditions depends on the facts and circumstances and requires the use of significant judgment. The fair value is a reasonable point within the range that is most representative of fair value under current market conditions.

The fair value guidance also establishes a fair value hierarchy and describes the following three levels used to classify fair value measurements.

Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities.

Level 2: Quoted prices in markets that are not active, or inputs that are observable either directly or indirectly, for substantially the full term of the asset or liability.

Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported with little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

The following methods and assumptions were used to estimate the fair values of Customers' financial instruments as of March 31, 2016 and December 31, 2015:

Cash and cash equivalents:

The carrying amounts reported on the balance sheet for cash and cash equivalents approximate those assets’ fair values. These assets are included as Level 1 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Investment securities:

The fair values of investment securities available for sale are determined by obtaining quoted market prices on nationally recognized and foreign securities exchanges (Level 1), matrix pricing (Level 2), which is a mathematical technique used widely in the industry to value debt securities without relying exclusively on quoted market prices for the specific securities but rather by relying on the securities’ relationship to other benchmark quoted prices, or externally developed models that use unobservable inputs due to limited or no market activity of the instrument (Level 3). These assets are included as Level 1, 2, or 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

The carrying amount of investments in FHLB, Federal Reserve Bank, and other restricted stock approximates fair value, and considers the limited marketability of such securities. These assets are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

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Loans held for sale - Residential mortgage loans:

The Bank generally estimates the fair values of residential mortgage loans held for sale based on commitments on hand from investors within the secondary market for loans with similar characteristics. These assets are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Loans held for sale - Mortgage warehouse loans:

The fair value of mortgage warehouse loans is the amount of cash initially advanced to fund the mortgage, plus accrued interest and fees, as specified in the respective agreements. The loan is used by mortgage companies as short-term bridge financing between the funding of mortgage loans and the finalization of the sale of the loans to an investor. Changes in fair value are not expected to be recognized since at inception of the transaction the underlying loans have already been sold to an approved investor. Additionally, the interest rate is variable, and the transaction is short-term, with an average life of 19 days from purchase to sale. These assets are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Loans held for sale – Multi-family loans:

The fair values of multi-family loans held for sale are estimated using pricing indications from letters of intent with third-party investors, recent sale transactions within the secondary markets for loans with similar characteristics, or non-binding indicative bids from brokers. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Loans receivable, net of allowance for loan losses:

The fair values of loans held for investment are estimated using discounted cash flows, using market rates at the balance sheet date that reflect the credit and interest rate-risk inherent in the loans. Projected future cash flows are calculated based upon contractual maturity or call dates, projected repayments and prepayments of principal. Generally, for variable rate loans that reprice frequently and with no significant change in credit risk, fair values are based on carrying values. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Impaired loans:

Impaired loans are those that are accounted for under ASC 450, Contingencies, in which the Bank has measured impairment generally based on the fair value of the loan’s collateral. Fair value is generally determined based upon independent third-party appraisals of the properties that collateralize the loans, or discounted cash flows based upon the expected proceeds. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Other real estate owned:

The fair value of other real estate owned ("OREO") is determined by using appraisals, which may be discounted based on management’s review and changes in market conditions or sales agreements with third parties. All appraisals must be performed in accordance with the Uniform Standards of Professional Appraisal Practice. Appraisals are certified to the Bank and performed by appraisers on the Bank’s approved list of appraisers. Evaluations are completed by a person independent of management. The content of the appraisal depends on the complexity of the property. Appraisals are completed on a “retail value” and an “as is value”. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Deposit liabilities:

The fair values disclosed for interest and non-interest checking, passbook savings and money market deposit accounts are, by definition, equal to the amount payable on demand at the reporting date (i.e., their carrying amounts). These liabilities are included as Level 1 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Fair values for fixed-rate certificates of deposit are estimated using a discounted cash flow calculation that applies interest rates currently being offered in the market on certificates to a schedule of aggregated expected monthly maturities on time deposits. These liabilities are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Federal funds purchased:

For these short-term instruments, the carrying amount is considered a reasonable estimate of fair value. These liabilities are included as Level 1 fair values, based upon the lowest level of input that is significant to the fair value measurements.

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Borrowings:

Borrowings consist of long-term and short-term FHLB advances, 5-year senior unsecured notes, and subordinated debt. For the short-term borrowings, the carrying amount is considered a reasonable estimate of fair value and is included as a Level 1 fair value measurement. Fair values of long-term FHLB advances are estimated using discounted cash flow analysis, based on quoted prices for new FHLB advances with similar credit risk characteristics, terms and remaining maturity. The prices obtained from this active market represent a market value that is deemed to represent the transfer price if the liability were assumed by a third party. Fair values of privately placed subordinated and senior unsecured debt are estimated by a third-party financial adviser using discounted cash flow analysis, based on market rates currently offered on such debt with similar credit-risk characteristics, terms and remaining maturity. These liabilities are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements. The $63 million senior unsecured notes issued during third quarter 2013 are traded on The New York Stock Exchange, and their price can be obtained daily. This fair value measurement is classified as Level 1.

Derivatives (Assets and Liabilities):

The fair values of interest rate swaps and credit derivatives are determined using models that incorporate readily observable market data into a market standard methodology. This methodology nets the discounted future fixed cash receipts and the discounted expected variable cash payments. The discounted variable cash payments are based on expectations of future interest rates derived from observable market interest rate curves. In addition, fair value is adjusted for the effect of nonperformance risk by incorporating credit valuation adjustments for the Bank and its counterparties. These assets and liabilities are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

The fair values of the residential mortgage loan commitments are derived from the estimated fair values that can be generated when the underlying mortgage loan is sold in the secondary market. The Bank uses commitments on hand from third party investors to estimate an exit price, and adjusts for the probability of the commitment being exercised based on the Bank’s internal experience (i.e., pull-through rate). These assets and liabilities are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Derivative assets and liabilities are included in Other assets and Other liabilities on the balance sheet.

Off-balance-sheet financial instruments:

The fair values of unused commitments to lend and standby letters of credit are considered to be the same as their contractual amounts.

The following information should not be interpreted as an estimate of Customers' fair value in its entirety because fair value calculations are only provided for a limited portion of Customers' assets and liabilities. Due to a wide range of valuation techniques and the degree of subjectivity used in making these estimates, comparisons between Customer’s disclosures and those of other companies may not be meaningful.

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The estimated fair values of Customers' financial instruments at March 31, 2016 and December 31, 2015 were as follows:

					Fair Value Measurements at March 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(amounts in thousands)
Assets:
Cash and cash equivalents	$	262,638	$	262,638	$	262,638	$	—	$	—
Investment securities, available for sale	556,165		556,165		17,458		538,707		—
Loans held for sale	1,969,280		1,969,558		—		1,941,602		27,956
Loans receivable, net of allowance for loan losses	5,869,710		5,825,695		—		—		5,825,695
FHLB, Federal Reserve Bank and other restricted stock	92,269		92,269		—		92,269		—
Derivatives	15,324		15,324		—		15,251		73
Liabilities:
Deposits	$	6,478,615	$	6,486,780	$	4,108,287	$	2,378,493	$	—
Federal funds purchased	80,000		80,000		80,000		—		—
FHLB advances	1,633,700		1,635,165		1,323,700		311,465		—
Other borrowings	86,624		84,784		59,784		25,000		—
Subordinated debt	108,709		110,000		—		110,000		—
Derivatives	22,957		22,957		—		22,957		—

					Fair Value Measurements at December 31, 2015
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(amounts in thousands)
Assets:
Cash and cash equivalents	$	264,593	$	264,593	$	264,593	$	—	$	—
Investment securities, available for sale	560,253		560,253		19,212		541,041		—
Loans held for sale	1,797,064		1,797,458		—		1,757,807		39,651
Loans receivable, net of allowance for loan losses	5,417,832		5,353,903		—		—		5,353,903
FHLB, Federal Reserve Bank and other restricted stock	90,841		90,841		—		90,841		—
Derivatives	9,295		9,295		—		9,250		45
Liabilities:
Deposits	$	5,909,501	$	5,911,754	$	3,561,905	$	2,349,849	$	—
Federal funds purchased	70,000		70,000		70,000		—		—
FHLB advances	1,625,300		1,625,468		1,365,300		260,168		—
Other borrowings	86,457		93,804		68,867		24,937		—
Subordinated debt	108,685		110,825		—		110,825		—
Derivatives	13,932		13,932		—		13,932		—

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For financial assets and liabilities measured at fair value on a recurring and nonrecurring basis, the fair value measurements by level within the fair value hierarchy used at March 31, 2016 and December 31, 2015 were as follows:

	March 31, 2016
	Fair Value Measurements at the End of the Reporting Period Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
(amounts in thousands)
Measured at Fair Value on a Recurring Basis:
Assets
Available-for-sale securities:
Agency-guaranteed residential mortgage-backed securities	$	—	$	286,289	$	—	$	286,289
Agency guaranteed commercial real estate mortgage-backed securities	—		207,397		—		207,397
Corporate notes	—		45,021		—		45,021
Equity securities	17,458		—		—		17,458
Derivatives	—		15,251		73		15,324
Loans held for sale – fair value option	—		1,941,602		—		1,941,602
Total assets - recurring fair value measurements	$	17,458	$	2,495,560	$	73	$	2,513,091
Liabilities
Derivatives	$	—	$	22,957	$	—	$	22,957
Measured at Fair Value on a Nonrecurring Basis:
Assets
Impaired loans, net of specific reserves of $3,670	$	—	$	—	$	6,354	$	6,354
Other real estate owned	—		—		688		688
Total assets - nonrecurring fair value measurements	$	—	$	—	$	7,042	$	7,042

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	December 31, 2015
	Fair Value Measurements at the End of the Reporting Period Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
(amounts in thousands)
Measured at Fair Value on a Recurring Basis:
Assets
Available-for-sale securities:
Agency-guaranteed residential mortgage-backed securities	$	—	$	298,104	$	—	$	298,104
Agency-guaranteed commercial real estate mortgage-backed securities	—		202,870		—		202,870
Corporate notes	—		40,067		—		40,067
Equity securities	19,212		—		—		19,212
Derivatives	—		9,250		45		$	9,295
Loans held for sale – fair value option	—		1,757,807		—		1,757,807
Total assets - recurring fair value measurements	$	19,212	$	2,308,098	$	45	$	2,327,355
Liabilities
Derivatives	—		$	13,932	—		$	13,932
Measured at Fair Value on a Nonrecurring Basis:
Assets
Impaired loans, net of specific reserves of $2,273	$	—	$	—	$	4,346	$	4,346
Other real estate owned	—		—		358		358
Total assets - nonrecurring fair value measurements	$	—	$	—	$	4,704	$	4,704

The changes in Level 3 assets measured at fair value on a recurring basis for the three months ended March 31, 2016 and 2015 are summarized as follows.

	Three Months Ended March 31,
	2016			2015
	Residential Mortgage Loan Commitments
(amounts in thousands)
Balance at December 31	$	45		$	43
Issuances	73			87
Settlements	(45		)	(43		)
Balance at March 31	$	73		$	87

Customers' policy is to recognize transfers between fair value levels when events or circumstances warrant transfers. There were no transfers between levels during the three months ended March 31, 2016 and 2015.

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The following table summarizes financial assets and financial liabilities measured at fair value as of March 31, 2016 and December 31, 2015 on a recurring and nonrecurring basis for which Customers utilized Level 3 inputs to measure fair value.

	Quantitative Information about Level 3 Fair Value Measurements
March 31, 2016	Fair Value Estimate		Valuation Technique	Unobservable Input	Range (Weighted Average) (3)
(amounts in thousands)
Impaired loans	$	6,354	Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Other real estate owned	688		Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Residential mortgage loan commitments	73		Adjusted market bid	Pull-through rate	90%

	Quantitative Information about Level 3 Fair Value Measurements
December 31, 2015	Fair Value Estimate		Valuation Technique	Unobservable Input	Range (Weighted Average) (3)
(amounts in thousands)
Impaired loans	$	4,346	Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Other real estate owned	358		Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Residential mortgage loan commitments	45		Adjusted market bid	Pull-through rate	94%

(1) Obtained from approved independent appraisers. Appraisals are current and in compliance with credit policy. The Bank does not generally discount appraisals.

(2) Fair value is adjusted for estimated costs to sell.

(3) Presented as a percentage of the value determined by appraisal.

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NOTE 13 — DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

Risk Management Objectives of Using Derivatives

Customers is exposed to certain risks arising from both its business operations and economic conditions. Customers manages economic risks, including interest rate, liquidity, and credit risk, primarily by managing the amount, sources, and durations of its assets and liabilities. Specifically, Customers enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Customers' derivative financial instruments are used to manage differences in the amount, timing, and duration of Customers' known or expected cash receipts and its known or expected cash payments principally related to certain borrowings. Customers also has interest-rate derivatives resulting from a service provided to certain qualifying customers, and therefore, they are not used to manage Customers' interest-rate risk in assets or liabilities. Customers manages a matched book with respect to its derivative instruments used in this customer service in order to minimize its net risk exposure resulting from such transactions.

Cash Flow Hedges of Interest Rate Risk

Customers' objectives in using interest-rate derivatives are to add stability to interest expense and to manage exposure to interest-rate movements. To accomplish this objective, Customers primarily uses interest rate swaps as part of its interest-rate-risk management strategy. Interest-rate swaps designated as cash flow hedges involve the receipt of variable amounts from a counterparty in exchange for Customers making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount.

The effective portion of changes in the fair value of derivatives designated and qualifying as cash flow hedges is recorded in accumulated other comprehensive income and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. To date, such derivatives were used to hedge the variable cash flows associated with a forecasted issuance of debt. The ineffective portion of the change in fair value of the derivatives is to be recognized directly in earnings. During the three months ended March 31, 2016 and 2015, Customers did not record any hedge ineffectiveness.

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on Customers' variable-rate debt. Customers expects to reclassify $2.6 million from accumulated other comprehensive income to interest expense during the next 12 months.

Customers is hedging its exposure to the variability in future cash flows for forecasted transactions over a maximum period of 24 months (excluding forecasted transactions related to the payment of variable interest on existing financial instruments).

At March 31, 2016 and December 31, 2015, Customers had one outstanding interest rate derivative with a notional amount of $150.0 million that was designated as a cash flow hedge of interest rate risk. The hedge expires in April 2019.

Derivatives Not Designated as Hedging Instruments

Customers executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies (typically the loan customers will swap a floating-rate loan for a fixed-rate loan). The customer interest rate swaps are simultaneously offset by interest rate swaps that Customers executes with a third party in order to minimize interest rate risk exposure resulting from such transactions. Because the interest rate swaps associated with this program do not meet the hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting third-party market swaps are recognized directly in earnings. At March 31, 2016, Customers had 62 interest rate swaps with an aggregate notional amount of $457.2 million related to this program. At December 31, 2015, Customers had 62 interest rate swaps with an aggregate notional amount of $461.0 million related to this program.

Customers enters into residential mortgage loan commitments in connection with its mortgage banking activities to fund mortgage loans at specified rates and times in the future. These commitments are short-term in nature and generally expire in 30 to 60 days. The residential mortgage loan commitments that relate to the origination of mortgage loans that will be held for sale are considered derivative instruments under applicable accounting guidance and are reported at fair value, with changes in fair value recorded directly in earnings. At March 31, 2016 and December 31, 2015, Customers had an outstanding notional balance of residential mortgage loan commitments of $4.5 million and $2.8 million, respectively.

Customers has also purchased and sold credit derivatives to either hedge or participate in the performance risk associated with some of its counterparties. These derivatives are not designated as hedging instruments and are reported at fair value, with

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changes in fair value reported directly in earnings. At March 31, 2016 and December 31, 2015, Customers had an outstanding notional balances of credit derivatives of $36.3 million and $19.3 million, respectively.

Fair Value of Derivative Instruments on the Balance Sheet

The following table presents the fair value of Customers' derivative financial instruments as well as their classification on the balance sheet as of March 31, 2016 and December 31, 2015.

	March 31, 2016
	Derivative Assets			Derivative Liabilities
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
(amounts in thousands)
Derivatives designated as cash flow hedges:
Interest rate swaps	Other assets	$	—	Other liabilities	$	7,077
Total		$	—		$	7,077
Derivatives not designated as hedging instruments:
Interest rate swaps	Other assets	$	15,006	Other liabilities	$	15,846
Credit contracts	Other assets	245		Other liabilities	34
Residential mortgage loan commitments	Other assets	73		Other liabilities	—
Total		$	15,324		$	15,880

	December 31, 2015
	Derivative Assets			Derivative Liabilities
	Balance Sheet			Balance Sheet
	Location	Fair Value		Location	Fair Value
(amounts in thousands)
Derivatives designated as cash flow hedges:
Interest rate swaps	Other assets	$	—	Other liabilities	$	4,477
Total		$	—		$	4,477
Derivatives not designated as hedging instruments:
Interest rate swaps	Other assets	$	9,088	Other liabilities	$	9,455
Credit contracts	Other assets	162		Other liabilities	—
Residential mortgage loan commitments	Other assets	45		Other liabilities	—
Total		$	9,295		$	9,455

Effect of Derivative Instruments on Comprehensive Income

The following tables present the effect of Customers' derivative financial instruments on comprehensive income for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016
	Income Statement Location	Amount of Income  (Loss) Recognized in Earnings
(amounts in thousands)
Derivatives not designated as hedging instruments:
Interest rate swaps	Other non-interest income	$	(472	)
Credit contracts	Other non-interest income	249
Residential mortgage loan commitments	Mortgage loan and banking income	28
Total		$	(195	)

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	Three Months Ended March 31, 2015
	Income Statement Location	Amount of Income Recognized in Earnings
(amounts in thousands)
Derivatives not designated as hedging instruments:
Interest rate swaps	Other non-interest income	$	121
Credit contracts	Other non-interest income	30
Residential mortgage loan commitments	Mortgage loan and banking income	44
Total		$	195

	Three Months Ended March 31, 2016
	Amount of Loss Recognized in OCI on Derivatives (Effective Portion) (1)			Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
(amounts in thousands)
Derivatives in cash flow hedging relationships:
Interest rate swaps	$	(1,625	)	Interest expense	$	—

	Three Months Ended March 31, 2015
	Amount of Loss Recognized in OCI on Derivatives (Effective Portion) (1)			Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
(amounts in thousands)
Derivatives in cash flow hedging relationships:
Interest rate swaps	$	(1,168	)	Interest expense	$	—

(1) Amounts presented are net of taxes

Credit-risk-related Contingent Features

By entering into derivative contracts, Customers is exposed to credit risk. The credit risk associated with derivatives executed with customers is the same as that involved in extending the related loans and is subject to the same standard credit policies. To mitigate the credit-risk exposure to major derivative dealer counterparties, Customers only enters into agreements with those counterparties that maintain credit ratings of high quality.

Agreements with major derivative dealer counterparties contain provisions whereby default on any of Customers' indebtedness would be considered a default on its derivative obligations. Customers also has entered into agreements that contain provisions under which the counterparty could require Customers to settle its obligations if Customers fails to maintain its status as a well/adequately-capitalized institution. As of March 31, 2016, the fair value of derivatives in a net liability position (which includes accrued interest but excludes any adjustment for nonperformance-risk) related to these agreements was $23.3 million. In addition, Customers has minimum collateral posting thresholds with certain of these counterparties and at March 31, 2016 had posted $22.8 million of cash as collateral. Customers records cash posted as collateral as a reduction in the outstanding balance of cash and cash equivalents and an increase in the balance of other assets.

42

Disclosures about Offsetting Assets and Liabilities

The following tables present derivative instruments that are subject to enforceable master netting arrangements. Customers' interest rate swaps with institutional counterparties are subject to master netting arrangements and are included in the table below. Interest rate swaps with commercial banking customers and residential mortgage loan commitments are not subject to master netting arrangements and are excluded from the table below. Customers has not made a policy election to offset its derivative positions.

Offsetting of Financial Assets and Derivative Assets

At March 31, 2016

Gross Amount of Recognized Assets

Gross Amounts Offset in the Consolidated Balance Sheet

Net Amounts of Assets Presented in the Consolidated Balance Sheet

Gross Amounts Not Offset in the Consolidated Balance Sheet

Net Amount

Financial Instruments

Cash Collateral Received

(amounts in thousands)

Description

Interest rate swap derivatives with institutional counterparties

$

—

$

—

$

—

$

—

$

—

$

—

Offsetting of Financial Liabilities and Derivative Liabilities

At March 31, 2016

	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet		Gross Amounts Not Offset in the Consolidated Balance Sheet
							Financial Instruments		Cash Collateral Pledged		Net Amount
(amounts in thousands)
Description
Interest rate swap derivatives with institutional counterparties	$	22,923	$	—	$	22,923	$	—	$	22,832	$	91

Offsetting of Financial Assets and Derivative Assets

At December 31, 2015

Gross Amount of Recognized Assets

Gross Amounts Offset in the Consolidated Balance Sheet

Net Amounts of Assets Presented in the Consolidated Balance Sheet

Gross Amounts Not Offset in the Consolidated Balance Sheet

Net Amount

Financial Instruments

Cash Collateral Received

(amounts in thousands)

Description

Interest rate swap derivatives with institutional counterparties

$

—

$

—

$

—

$

—

$

—

$

—

43

Offsetting of Financial Liabilities and Derivative Liabilities

At December 31, 2015

	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet		Gross Amounts Not Offset in the Consolidated Balance Sheet				Net Amount
							Financial Instruments		Cash Collateral Pledged
(amounts in thousands)
Description
Interest rate swap derivatives with institutional counterparties	$	13,932	$	—	$	13,932	$	—	$	13,932	$	—

NOTE 14 – SUBSEQUENT EVENTS

On April 28, 2016, Customers completed its public offering of 2,300,000 shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series E (the "Series E Preferred Stock") at a price of $25.00 per share. Dividends on the Series E Preferred Stock will accrue and be payable quarterly in arrears, at a fixed rate per annum equal to 6.45% from the original issue date to, but excluding, June 15, 2021, and thereafter at a floating rate per annum equal to three-month LIBOR on the related dividend determination date plus a spread of 5.14% per annum.

Customers received net proceeds of $55.7 million from the offering. The proceeds will be used for general corporate purposes, which may include working capital and the funding of organic growth at Customers Bank.

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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Cautionary Note Regarding Forward-Looking Statements

This report and all attachments hereto as well as other written or oral communications made from time to time by Customers may contain certain forward-looking information within the meaning of the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended. These statements relate to future events or future predictions, including events or predictions relating to future financial performance, and are generally identifiable by the use of forward-looking terminology such as “believes,” “expects,” “may,” “will,” “should,” “plan,” “intend,” “anticipates,” “strategies” or the negative thereof or comparable terminology, or by discussion of strategy that involve risks and uncertainties. These forward-looking statements are only predictions and estimates regarding future events and circumstances and involve known and unknown risks, uncertainties and other factors, including the risks described under “Risk Factors” in this Form 10-Q and other filings we make with the SEC that may cause actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activity, performance or achievements expressed or implied by such forward-looking statements. This information is based on various assumptions that may not prove to be correct. These forward-looking statements are subject to significant uncertainties and contingencies, many of which are beyond the control of Customers. Although the expectations reflected in the forward-looking statements are currently believed to be reasonable, future results, levels of activity, performance or achievements cannot be guaranteed. Accordingly, there can be no assurance that actual results will meet expectations or will not be materially lower than the results contemplated in this report and attachments hereto. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this report or, in the case of documents referred to, the dates of those documents. Customers undertakes no obligation to release publicly or otherwise provide any revisions to these forward-looking statements to reflect events or circumstances after the date of this report or to reflect the occurrence of unanticipated events, except as may be required under applicable law.

Management’s discussion and analysis represents an overview of the financial condition and results of operations, and highlights the significant changes in the financial condition and results of operations, as presented in the accompanying consolidated financial statements for Customers Bancorp, a financial holding company, and its wholly owned subsidiaries, including Customers Bank. This information is intended to facilitate your understanding and assessment of significant changes and trends related to Customers' financial condition and results of operations as of and for the threemonths ended March 31, 2016. All quarterly information in this Management’s Discussion and Analysis is unaudited. You should read this section in conjunction with “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Customers' Annual Report on Form 10-K for the fiscal year ended December 31, 2015 (“2015 Form 10-K”).

Critical Accounting Policies

We have adopted various accounting policies that govern the application of accounting principles generally accepted in the United States of America and that are consistent with general practices within the banking industry in the preparation of our financial statements. Our significant accounting policies are described in “NOTE 3 — SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATION” to our audited financial statements included in our 2015 Form 10-K and updated in this report on Form 10-Q for the quarterly period ended March 31, 2016.

Certain accounting policies involve significant judgments and assumptions by Customers that have a material impact on the carrying value of certain assets and liabilities. We consider these accounting policies to be critical accounting policies. The judgment and assumptions used are based on historical experience and other factors, which are believed to be reasonable under the circumstances. Because of the nature of the judgments and assumptions management makes, actual results could differ from these judgments and estimates, which could have a material impact on the carrying values of our assets and liabilities and our results of operations.

First Quarter Events of Note

Customers Bancorp continued its strong financial performance through first quarter 2016, with earnings of $16.4 million or $0.57 per fully diluted share. Total assets reached $9.0 billion at March 31, 2016, an increase of $0.6 billion from December 31, 2015. Customers achieved significant organic loan and deposit growth as loans balances increased $0.6 billion to $7.8 billion and deposits increased $0.6 billion to $6.5 billion at March 31, 2016. Asset quality remained exceptional with non-performing loans only 0.20% of total loans at March 31, 2016, reflecting Customers' conservative lending practices and continued focus on positive operating leverage and risk management. Capital levels continue to exceed the “well-capitalized” threshold established by regulation at the Bank and exceed the applicable Basel III regulatory thresholds for the Bancorp and the Bank at March 31, 2016. Customers issued $25.0 million of non-cumulative perpetual preferred stock in a public offering during first quarter 2016, which qualifies as Tier 1 capital under regulatory capital guidelines. The return on average common equity was 12.85% for first quarter 2016, and the return on average assets was 0.85%. The BankMobile division continued to show strong

45

growth in first quarter 2016 and Customers is anticipating the combination of the Higher One Disbursement business with BankMobile during second quarter 2016 but no later than July 1, 2016.

Results of Operations

Three Months Ended March 31, 2016 Compared to Three Months Ended March 31, 2015

Net income available to common shareholders increased $2.5 million, or 17.6%, to $16.4 million for the three months ended March 31, 2016, compared to $14.0 million for the three months ended March 31, 2015. The increased net income resulted from an increase in net interest income of $11.3 million, largely reflecting the loan portfolio growth of the past year, and a reduction in provision expense of $1.0 million, offset in part by a decrease in non-interest income of $0.2 million, an increase in non-interest expense of $6.4 million, an increase in income tax expense of $1.9 million, and the recognition of preferred stock dividends of $1.3 million.

Net interest income increased $11.3 million, or 24.4%, for the three months ended March 31, 2016 to $57.6 million, compared to $46.3 million for the three months ended March 31, 2015. This increase resulted principally from higher average loan and security balances of $1.7 billion offset in part by a 2 basis point decrease in net interest margin to 2.88% in first quarter 2016.

The provision for loan losses decreased $1.0 million to $2.0 million for the three months ended March 31, 2016, compared to $3.0 million for the same period in 2015. The first quarter 2016 provision for loan losses includes a $0.8 million provision for loan growth net of qualitative considerations and impairment measured on specific loans of $1.4 million, offset in part by increased estimated cash flows expected to be collected on purchased credit-impaired loans of $0.3 million.

Non-interest income decreased$0.2 million during the three months ended March 31, 2016 to $5.5 million, compared to $5.7 million for the three months ended March 31, 2015. This decrease resulted primarily from higher gains on sales of loans realized in first quarter 2015 as there were no sales of multi-family loans in first quarter 2016.

Non-interest expense increased $6.4 million during the three months ended March 31, 2016 to $33.9 million, compared to $27.5 million during the three months ended March 31, 2015, primarily attributable to increases in salary and benefits, regulatory assessments and fees, professional services, technology, and occupancy expenses largely resulting from the increases in resources and services necessary to support a larger $9.0 billion bank.

Income tax expense increased $1.9 million in the three months ended March 31, 2016 to $9.5 million, compared to $7.7 million in the same period of 2015. The increase in income tax expense was driven primarily from increased taxable income of $5.6 million in first quarter 2016 compared to first quarter 2015.

Preferred stock dividends increased $1.3 million in first quarter 2016 due to the accrual of dividends on Customers' Series C preferred stock issued in second quarter 2015 and its Series D preferred stock issued in first quarter 2016.

46

Net Interest Income

Net interest income (the difference between the interest earned on loans, investments and interest-earning deposits with banks, and interest paid on deposits, borrowed funds and subordinated debt) is the primary source of Customers' earnings. 

The following table summarizes Customers' net interest income and related spread and margin for the periods indicated.

	Three Months Ended March 31,
	2016						2015
	Average Balance		Interest Income or Expense		Average Yield or Cost (%)		Average Balance		Interest Income or Expense		Average Yield or Cost
(amounts in thousands)
Assets
Interest-earning deposits	$	184,368	$	246	0.53	%	$	283,613	$	179	0.25	%
Investment securities (A)	562,459		3,709		2.64		406,600		2,363		2.32
Loans held for sale	1,563,399		14,106		3.63		1,367,301		10,900		3.23
Loans receivable (B)	5,679,383		54,472		3.86		4,361,664		43,093		4.00
Other interest-earning assets	80,135		865		4.34		75,068		2,183		11.80
Total interest-earning assets	8,069,744		73,398		3.66	%	6,494,246		58,718		3.66	%
Non-interest-earning assets	294,489						281,321
Total assets	$	8,364,233					$	6,775,567
Liabilities
Interest checking accounts	$	128,605	195		0.61	%	$	93,880	154		0.67	%
Money market deposit accounts	2,949,913		4,093		0.56		2,196,850		3,021		0.56
Other savings accounts	41,164		22		0.21		35,138		38		0.44
Certificates of deposit	2,356,464		5,902		1.01		1,795,394		4,313		0.97
Total interest-bearing deposits	5,476,146		10,212		0.75		4,121,262		7,526		0.74
Borrowings	1,480,828		5,559		1.51		1,467,535		4,862		1.33
Total interest-bearing liabilities	6,956,974		15,771		0.91		5,588,797		12,388		0.90
Non-interest-bearing deposits	777,573						708,901
Total deposits and borrowings	7,734,547				0.82		6,297,698				0.80
Other non-interest-bearing liabilities	43,677						24,542
Total liabilities	7,778,224						6,322,240
Shareholders’ Equity	586,009						453,327
Total liabilities and shareholders’ equity	$	8,364,233					$	6,775,567
Net interest earnings			57,627						46,330
Tax-equivalent adjustment (C)			104						125
Net interest earnings			$	57,731					$	46,455
Interest spread					2.84	%					2.87	%
Net interest margin					2.87	%					2.89	%
Net interest margin tax equivalent (C)					2.88	%					2.90	%

(A) For presentation in this table, average balances and the corresponding average yields for investment securities are based upon historical cost, adjusted for amortization of premiums and accretion of discounts.

(B) Includes non-accrual loans, the effect of which is to reduce the yield earned on loans, and deferred loan fees.

(C) Full tax-equivalent basis, using a 35% statutory tax rate to approximate interest income as a taxable asset.

47

The following table presents the dollar amount of changes in interest income and interest expense for the major categories of interest-earning assets and interest-bearing liabilities. Information is provided for each category of interest-earning assets and interest-bearing liabilities with respect to (i) changes attributable to volume (i.e., changes in average balances multiplied by the prior-period average rate) and (ii) changes attributable to rate (i.e., changes in average rate multiplied by prior-period average balances). For purposes of this table, changes attributable to both rate and volume which cannot be segregated have been allocated proportionately to the change due to volume and the change due to rate.

	Three Months Ended March 31,
	2016 vs. 2015
	Increase (Decrease) due to Change in
	Rate			Volume			Total
(amounts in thousands)
Interest income:
Interest-earning deposits	$	147		$	(80	)	$	67
Investment securities	350			996			1,346
Loans held for sale	1,478			1,728			3,206
Loans receivable	(1,613		)	12,992			11,379
Other interest-earning assets	(1,459		)	141			(1,318		)
Total interest income	(1,097		)	15,777			14,680
Interest expense:
Interest checking accounts	(14		)	55			41
Money market deposit accounts	2			1,070			1,072
Savings accounts	(22		)	6			(16		)
Certificates of deposit	157			1,432			1,589
Total interest-bearing deposits	123			2,563			2,686
Borrowings	651			46			697
Total interest expense	774			2,609			3,383
Net interest income	$	(1,871	)	$	13,168		$	11,297

Net interest income for the three months ended March 31, 2016 was $57.6 million, an increase of $11.3 million, or 24.4%, from net interest income for first quarter 2015, as average loan and security balances increased $1.7 billion, offset in part by a 2 basis point decrease in net interest margin to 2.88%.

• Multi-family average loan balances increased $855 million, commercial loan average balances increased $428 million and mortgage banking average balances increased $275 million.

• Net interest margin declined 2 basis points as the increased yields on the mortgage warehouse portfolio were offset by lower yields on the commercial loan portfolio and higher rates on short term borrowings used to fund the mortgage warehouse portfolio.

The increases in loan volume were the result of focused efforts by Customers' lending teams to execute an organic growth strategy.

Interest expense on total interest-bearing deposits increased $2.7 million in first quarter 2016 compared to first quarter 2015. This increase resulted from increased deposit volume as average interest-bearing deposits increased $1.4 billion for the three months ended March 31, 2016 compared to average interest-bearing deposits for the three months ended March 31, 2015, and the average rate on interest-bearing deposits increased 1 basis point for the first quarter 2016 compared to first quarter 2015.

Interest expense on borrowings increased $0.7 million, primarily driven by a higher cost of funds due to higher rates on short term borrowings compared to the prior year period. Average borrowings for the three months ended March 31, 2016 increased by $13.3 million when compared to average borrowings for the three months ended March 31, 2015.

48

Customers’ net interest margin (tax equivalent) declined by 2 basis points to 2.88% for the three months ended March 31, 2016 compared to the prior year period, as the increased yields on the mortgage warehouse portfolio were offset by lower yields on the commercial loan portfolio and higher rates on short term borrowings used to fund the mortgage warehouse portfolio. The increase in the short term rates earned on the mortgage warehouse portfolio and paid on the short term borrowings reflects the December 2015 increase in short term rates adopted by the Federal Reserve.

Provision for Loan Losses

The Bank has established an allowance for loan losses through a provision for loan losses charged as an expense on the consolidated statements of income. The loan portfolio is reviewed quarterly to assess and measure both the performance of the portfolio and the adequacy of the allowance for loan losses. 

The provision for loan losses decreased by $1.0 million to $2.0 million for the three months ended March 31, 2016, compared to $3.0 million for the same period in 2015. The first quarter 2016 provision for loan losses included provisions for loan growth net of qualitative considerations of $0.8 million and impairment measured on specific loans of $1.4 million, offset in part by increased estimated cash flows expected to be collected on purchased credit-impaired loans of $0.3 million.

For more information about our provision and allowance for loan losses and our loss experience, see “Credit Risk” and “Asset Quality” herein.

Non-Interest Income

The table below presents the components of non-interest income for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31,
	2016		2015
(amounts in thousands)
Mortgage warehouse transactional fees	$	2,548	$	2,273
Bank-owned life insurance	1,123		1,061
Gain on sale of loans	644		1,231
Deposit fees	255		179
Mortgage loans and banking income	165		151
Gain on sale of investment securities	26		—
Other	733		838
Total non-interest income	$	5,494	$	5,733

Non-interest income decreased$0.2 million during the three months ended March 31, 2016 to $5.5 million, compared to $5.7 million for the three months ended March 31, 2015. The decrease in first quarter 2016 was primarily attributable to a decrease of $0.6 million in gains realized from the sale of loans resulting from no multi-family loan sales in first quarter 2016 compared to approximately $140 million of multi-family loan sales in first quarter 2015. This decrease was offset in part by increased mortgage warehouse transactional fees of $0.3 million as a result of higher processing volumes in first quarter 2016.

49

Non-Interest Expense

The table below presents the components of non-interest expense for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31,
	2016		2015
(amounts in thousands)
Salaries and employee benefits	$	17,332	$	13,952
FDIC assessments, taxes, and regulatory fees	4,030		3,278
Professional services	2,657		1,913
Technology, communication and bank operations	2,643		2,531
Occupancy	2,325		2,101
Loan workout	418		269
Other real estate owned	287		884
Advertising and promotion	256		347
Other	3,957		2,190
Total non-interest expense	$	33,905	$	27,465

Non-interest expense was $33.9 million for the three months ended March 31, 2016, an increase of $6.4 million from non-interest expense of $27.5 million for the three months ended March 31, 2015.

Salaries and employee benefits, which represent the largest component of non-interest expense, increased$3.4 million, or 24.2%, to $17.3 million for the three months ended March 31, 2016. The primary reason for this increase was an increase in the number of team members to 536 full-time equivalents at March 31, 2016 from 450 full-time equivalents at March 31, 2015. This increase was directly related to the need for additional team members to support our organic growth. More specifically, the increased headcount was needed to support the growing multi-family, commercial real estate and commercial and industrial loan portfolios and the increased deposits.

FDIC assessments, taxes, and regulatory feesincreased by $0.8 million, or 22.9%, to $4.0 million for the three months ended March 31, 2016 from $3.3 million for the three months ended March 31, 2015. This increase was primarily attributable to an increased FDIC insurance assessment driven mainly by the organic growth of the Bank.

Professional services expense increased by $0.7 million, or 38.9%, to $2.7 million for the three months ended March 31, 2016 from $1.9 million for the three months ended March 31, 2015. This increase was primarily attributable to increased service charges paid for the FHLB letter of credit used to collateralize municipal deposits, legal and other professional service expenses driven by the organic growth of the Bank.

Other real estate owned expense decreased by $0.6 million, or 67.5%, to $0.3 million for the three months ended March 31, 2016 from $0.9 million for the three months ended March 31, 2015. The decrease was primarily due to reduced losses realized from the sale of OREO properties and lower valuation allowances recorded on OREO in first quarter 2016 compared to first quarter 2015.

Other expense increased by $1.8 million, or 80.7% to $4.0 million for the three months ended March 31, 2016 from $2.2 million for the three months ended March 31, 2015. This increase was primarily attributable to one time charges associated with legal matters of $1.2 million.

Income Taxes

Income tax expense increased $1.9 million in the three months ended March 31, 2016 to $9.5 million, compared to $7.7 million in the same period of 2015. The increase in income tax expense was driven primarily from increased taxable income of $5.6 million in first quarter 2016.

Preferred Stock Dividends

Preferred stock dividends increased $1.3 million in the three months ended March 31, 2016 due to the accrual of dividends on Customers' Series C preferred stock issued in second quarter 2015 and its Series D preferred stock issued in first quarter 2016.

50

Financial Condition

General

Total assets were $9.0 billion at March 31, 2016. This represented a $0.6 billion, or 7.6%, increase from total assets of $8.4 billion at December 31, 2015. The major change in Customers' financial position occurred as the result of organic growth in our loan portfolio, which increased by $0.6 billion, or 8.6%, to $7.9 billion at March 31, 2016. The main driver was the growth of commercial loans held for investment, which increased $0.5 billion, or 9.1%, to $5.5 billion at March 31, 2016 compared to $5.1 billion at December 31, 2015.

Total liabilities were $8.4 billion at March 31, 2016. This represented a $0.6 billion, or 7.6%, increase from $7.8 billion at December 31, 2015. The increase in total liabilities resulted from increased deposits as deposits increased by $0.6 billion, or 9.6%, to $6.5 billion at March 31, 2016 from $5.9 billion at December 31, 2015. Transaction deposits grew by $0.5 billion, or 15.3%, to $4.1 billion at March 31, 2016 from $3.6 billion at December 31, 2015. Deposit growth was primarily the result of growth in money market accounts of $0.4 billion and non-interest-bearing deposit accounts of $0.1 billion.

The following table sets forth certain key condensed balance sheet data as of March 31, 2016 and December 31, 2015:

	March 31, 2016			December 31, 2015
(amounts in thousands)
Cash and cash equivalents	$	262,638		$	264,593
Investment securities, available for sale	556,165			560,253
Loans held for sale (includes $1,941,602 and $1,757,807, respectively, at fair value)	1,969,280			1,797,064
Loans receivable	5,907,315			5,453,479
Allowance for loan losses	(37,605		)	(35,647		)
Total assets	9,038,882			8,398,205
Total deposits	6,478,615			5,909,501
Federal funds purchased	80,000			70,000
FHLB advances	1,633,700			1,625,300
Other borrowings	86,624			86,457
Subordinated debt	108,709			108,685
Total liabilities	8,439,633			7,844,303
Total shareholders’ equity	599,249			553,902
Total liabilities and shareholders’ equity	9,038,882			8,398,205

Cash and Cash Equivalents

Cash and cash equivalents include cash and due from banks and interest-earning deposits. Cash and due from banks consists mainly of vault cash and cash items in the process of collection. These balances totaled $63.8 million at March 31, 2016. This represents a $10.3 million increase from $53.6 million at December 31, 2015. These balances vary from day to day, primarily due to variations in customers’ deposits with the Bank. Interest-earning deposits consist of cash deposited at other banks, primarily the Federal Reserve Bank of Philadelphia. Interest-earning deposits were $198.8 million and $211.0 million at March 31, 2016 and December 31, 2015, respectively.

Investment Securities

The investment securities portfolio is an important source of interest income and liquidity. At March 31, 2016, investments consisted of residential and commercial real estate mortgage-backed securities guaranteed by an agency of the United States government, corporate notes and marketable equity securities. In addition to generating revenue, the investment portfolio is maintained to manage interest-rate risk, provide liquidity and collateral for borrowings, and diversify the credit risk of interest-earning assets. The portfolio is structured to maximize net interest income, given changes in the economic environment, liquidity position, and balance sheet mix.

At March 31, 2016, investment securities were $556.2 million compared to $560.3 million at December 31, 2015. The decrease was primarily the result of maturities, sales and principal repayments of $15.7 million during the three months ended March 31, 2016, offset in part by purchases of $5.0 million and net increases in fair values of $6.8 million.

51

Loans

Existing lending relationships are primarily with small and middle market businesses and individual consumers primarily in Bucks, Berks, Chester, Montgomery, Delaware, and Philadelphia Counties, Pennsylvania; Camden and Mercer Counties, New Jersey; and Westchester County and New York City, New York; and the New England area. The loans to mortgage banking companies portfolio is nation-wide. The loan portfolio consists primarily of loans to support mortgage banking companies’ funding needs, multi-family, commercial real estate, commercial and industrial, and construction loans. The Bank continues to focus on small and middle market business loans to grow its commercial lending efforts, establish a specialty lending business, and expand its consumer lending products, as outlined below:

Commercial Lending

Customers' commercial lending is divided into four groups: Business Banking, Small and Middle Market Business Banking, Multi-family and Commercial Real Estate Lending, and Mortgage Banking Lending. This grouping is designed to allow for more effective resource deployment, higher standards of risk management, stronger oversight of asset quality, better management of interest rate risk and higher productivity levels.

The commercial lending group focuses on companies with annual revenues ranging from $1 million to $50 million, which typically have credit requirements between $0.5 million and $10 million.

The small and middle market business banking platform originates loans, including Small Business Administration loans, through the branch network sales force and a team of dedicated relationship managers. The support administration of this platform is centralized including risk management, product management, marketing, performance tracking and overall strategy. Credit and sales training has been established for Customers' sales force, ensuring that it has small business experts in place providing appropriate financial solutions to the small business owners in its communities. A division approach focuses on industries that offer high asset quality and are deposit rich to drive profitability.

In 2009, Customers launched its lending to mortgage banking businesses products, which primarily provides financing to mortgage bankers for residential mortgage originations from loan closing until sale in the secondary market. Many providers of liquidity in this segment exited the business in 2009 during a period of market turmoil. Customers saw an opportunity to provide liquidity to this business segment at attractive spreads. There was also the opportunity to attract escrow deposits and to generate fee income in this business. The goal of the mortgage banking businesses lending group is to provide liquidity to mortgage companies. These loans are primarily used by mortgage companies to fund their pipelines from closing of individual mortgage loans until their sale into the secondary market. The underlying residential loans are taken as collateral for the Bank’s loans. As of March 31, 2016, loans in the warehouse lending portfolio totaled $1.9 billion and are designated as held for sale.

The goal of the Bank’s multi-family lending group is to build a portfolio of high-quality multi-family loans within the Bank’s covered markets, while cross selling other products and services. This product primarily targets refinancing existing loans with other banks using conservative underwriting and provides purchase money for new acquisitions by borrowers. The primary collateral for these loans is a first lien mortgage on the multi-family property, plus an assignment of all leases related to such property. As of March 31, 2016, the Bank had multi-family loans of $3.2 billion outstanding, making up approximately 41.1% of the Bank’s total loan portfolio, compared to $2.9 billion, or approximately 40.7% of the total loan portfolio at December 31, 2015.

As of March 31, 2016, the Bank had $7.5 billion in commercial loans outstanding, totaling approximately 95.1% of its total loan portfolio, which includes loans held for sale, compared to $6.9 billion, composing approximately 94.6% at December 31, 2015.

Consumer Lending

Customers provides home equity and residential mortgage loans to customers. Underwriting standards for home equity lending are conservative and lending is offered to solidify customer relationships and grow relationship revenues in the long term. This lending is important in Customers' efforts to grow total relationship revenues for its consumer households. As of March 31, 2016, the Bank had $382.4 million in consumer loans outstanding, or 4.9%, of the Bank’s total loan portfolio, which includes loans held for sale. The Bank plans to expand its product offerings in real estate secured consumer lending.

Customers Bank has launched a community outreach program in Philadelphia to finance homeownership in urban communities. As part of this program, the Bank is offering an “Affordable Mortgage Product”. This community outreach program is penetrating the underserved population, especially in low and moderate income neighborhoods. As part of this

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commitment, a loan production office was opened in Progress Plaza, 1501 North Broad Street, Philadelphia, PA. The program includes homebuyer seminars that prepare potential homebuyers for homeownership by teaching money management and budgeting skills, including the financial responsibilities that come with having a mortgage and owning a home. The “Affordable Mortgage Product” is offered throughout Customers Bank’s assessment areas.

Held-for-Sale Loans

The composition of loans held for sale as of March 31, 2016 and December 31, 2015 was as follows:

	March 31,		December 31,
	2016		2015
(amounts in thousands)
Commercial loans:
Mortgage warehouse loans at fair value	$	1,940,558	$	1,754,950
Multi-family loans at lower of cost or fair value	27,678		39,257
Total commercial loans held for sale	1,968,236		1,794,207
Consumer loans:
Residential mortgage loans at fair value	1,044		2,857
Loans held for sale	$	1,969,280	$	1,797,064

At March 31, 2016, loans held for sale were $2.0 billion, or 25.0%, of the total loan portfolio, compared to $1.8 billion, or 24.8% of the total loan portfolio at December 31, 2015. The loans held-for-sale portfolio at March 31, 2016 included $1.9 billion of loans to mortgage banking businesses, $27.7 million of multi-family loans and $1.0 million of residential mortgage loans, compared to $1.8 billion of loans to mortgage banking businesses, $39.3 million of multi-family loans and $2.9 million of residential mortgages loans at December 31, 2015. Held-for-sale loans are carried on the balance sheet at either fair value (due to the election of the fair value option) or the lower of cost or fair value. An allowance for loan losses is not recorded on loans that are held for sale.

The mortgage warehouse loan balances increased $185.6 million to $1.9 billion as of March 31, 2016 compared to December 31, 2015. The increase resulted primarily from the increased level of home mortgage refinance activity nation-wide as a result of the sharp decline in longer term borrowing rates experienced in first quarter 2016. The balance increase is unusual, particularly considering that mortgage lending activity generally declines during the winter months, and Customers expects that mortgage warehouse loan growth will moderate during the year and return to more normal seasonal patterns as interest rates and the interest rate yield curve return to more normal levels and spreads.

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Loans Receivable

Loans receivable (excluding loans held for sale), net of the allowance for loan losses, increased by $451.9 million to $5.9 billion at March 31, 2016 from $5.4 billion at December 31, 2015. Loans receivable as of March 31, 2016 and December 31, 2015 consisted of the following:

	March 31,			December 31,
	2016			2015
(amounts in thousands)
Commercial:
Multi-family	$	3,210,177		$	2,909,439
Commercial and industrial (including owner occupied commercial real estate)	1,160,389			1,111,400
Commercial real estate non-owner occupied	1,052,162			956,255
Construction	103,061			87,240
Total commercial loans	5,525,789			5,064,334
Consumer:
Residential real estate	267,031			271,613
Manufactured housing	110,830			113,490
Other	3,474			3,708
Total consumer loans	381,335			388,811
Total loans receivable	5,907,124			5,453,145
Deferred costs and unamortized premiums, net	191			334
Allowance for loan losses	(37,605		)	(35,647		)
Loans receivable, net of allowance for loan losses	$	5,869,710		$	5,417,832

Multi-family loan growth of $300.7 million in first quarter 2016 reflects efforts by Customers to deepen penetration into its markets during the period.

Credit Risk

Customers manages credit risk by maintaining diversification in its loan portfolio, establishing and enforcing prudent underwriting standards, diligent collection efforts and continuous and periodic loan classification reviews. Management also considers the effect of credit risk on financial performance by maintaining an adequate allowance for loan losses. Credit losses are charged when they are identified, and provisions are added, to the allowance for loan losses when and as appropriate. The adequacy of the allowance for loan losses to absorb incurred losses estimated to exist as of the last day of the reporting period is evaluated at least quarterly.

The provision for loan losses was $2.0 million and $3.0 million for the three months ended March 31, 2016 and 2015, respectively. The allowance for loan losses maintained for loans receivable (excludes loans held for sale) was $37.6 million, or 0.64% of loans receivable at March 31, 2016 and $35.6 million, or 0.65% of loans receivable at December 31, 2015. Net charge-offs (recoveries) were $(0.5) million for the three months ended March 31, 2016, a decrease of $1.5 million compared to the same period in 2015. The decrease in net charge offs was mainly driven by the increased performance in loans receivable and a large recovery on a purchased-credit-impaired loan during first quarter 2016.

Customers had approximately $13.2 million and $13.8 million in loans that were covered under loss share arrangements with the FDIC as of March 31, 2016 and December 31, 2015, respectively. The period to submit losses for non-single family loans under the loss sharing agreements expired in third quarter 2015. The period to submit losses for single family loans expires in third quarter 2017. The final maturity of the FDIC loss sharing agreements occurs in third quarter 2020.

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The chart below depicts changes in the Bank’s allowance for loan losses for the periods indicated. The amounts presented for the provision for loan losses below do not include the effect of changes to estimated benefits resulting from the FDIC loss share arrangements for the covered loans.

Analysis of the Allowance for Loan Losses

	Three Months Ended March 31,
	2016			2015
(amounts in thousands)
Balance at December 31	$	35,647		$	30,932
Loan charge-offs (1)
Commercial and industrial	—			21
Commercial real estate owner occupied	—			—
Commercial real estate non-owner occupied	—			318
Construction	—			769
Residential real estate	—			—
Other consumer	42			36
Total Charge-offs	42			1,144
Loan recoveries (1)
Commercial and industrial	56			22
Commercial real estate owner occupied	—			14
Commercial real estate non-owner occupied	8			9
Construction	433			15
Residential real estate	—			—
Other consumer	—			83
Total Recoveries	497			143
Total net charge-offs/(recoveries)	(455		)	1,001
Provision for loan losses (2)	1,503			3,635
Balance at March 31	$	37,605		$	33,566

.

(1) Charge-offs and recoveries on purchased-credit-impaired loans that are accounted for in pools are recognized on a net basis when the pool matures.

(2) The provision amounts exclude the (cost)/benefit of the FDIC loss share arrangements of $(0.5) million and $0.7 million, respectively.

The allowance for loan losses is based on a periodic evaluation of the loan portfolio and is maintained at a level that management considers adequate to absorb probable losses incurred as of the balance sheet date. All commercial loans are assigned credit risk ratings, based upon an assessment of the borrower, the structure of the transaction and the available collateral and/or guarantees. All loans are monitored regularly by the responsible officer, and the risk ratings are adjusted when considered appropriate. The risk assessment allows management to identify problem loans timely. Management considers a variety of factors, and recognizes the inherent risk of loss that always exists in the lending process. Management uses a disciplined methodology to estimate an appropriate level of allowance for loan losses.  See “Asset Quality” for further discussion of the allowance for loan losses.

Approximately 80% of the Bank’s commercial real estate, commercial and residential construction, consumer residential and commercial and industrial loan types have real estate as collateral (collectively, “the real estate portfolio”). The Bank’s lien position on the real estate collateral will vary on a loan-by-loan basis and will change as a result of changes in the value of the collateral. Current appraisals providing current value estimates of the property are received when the Bank’s credit group determines that the facts and circumstances have significantly changed since the date of the last appraisal, including that real estate values have deteriorated. The credit committee and loan officers review loans that are fifteen or more days delinquent and all non-accrual loans on a periodic basis. In addition, loans where the loan officers have identified a “borrower of interest” are discussed to determine if additional analysis is necessary to apply the risk rating criteria properly. The risk ratings for the real estate loan portfolio are determined based upon the current information available, including but not limited to discussions

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with the borrower, updated financial information, economic conditions within the geographic area and other factors that may affect the cash flow of the loan. If a loan is individually evaluated for impairment, the collateral value or discounted cash flow analysis is used to determine the estimated fair value of the underlying collateral and compared, net of estimated selling costs, to the outstanding loan balance to measure a specific reserve. Appraisals used in this evaluation process are typically less than two years aged. New appraisals are typically obtained for loans when they are first evaluated individually for impairment. For loans where real estate is not the primary source of collateral, updated financial information is obtained, including accounts receivable and inventory aging reports and relevant supplemental financial data to estimate the fair value of the loan and compared, net of estimated selling costs, to the outstanding loan balance to estimate the required reserve, if any.

These impairment measurements are inherently subjective as they require material estimates, including, among others, estimates of property values in appraisals, the amounts and timing of expected future cash flows on individual loans, and general considerations for historical loss experience, economic conditions, uncertainties in estimating losses and inherent risks in the various credit portfolios, all of which require judgment and may be susceptible to significant change over time and as a result of changing economic conditions or other factors. Pursuant to ASC 450 Contingencies and ASC 310-40 Troubled Debt Restructurings by Creditors, impaired loans, consisting primarily of non-accrual and restructured loans, are considered in the methodology for determining the allowance for credit losses. Impaired loans are generally evaluated based on the expected future cash flows or the fair value of the underlying collateral (less estimated costs to sell) if principal repayment is expected to come from the sale or operation of such collateral.

At March 31, 2016, approximately $13.2 million, or 0.2%, of the loan portfolio including loans held for sale, was covered under loss sharing agreements with the FDIC. Decreases in the estimated cash flows on the loans covered by the loss share agreements greater than the original estimated value are recorded as an increase to the provision for loan losses, and a corresponding receivable due from the FDIC is recorded as a reduction to the provision for loan losses for the portion anticipated to be recovered under the loss sharing agreements. Conversely, if the estimated cash flows on the covered loans increase, all or a portion of the previously recorded provision for loan losses will be reversed, and the corresponding receivable due from the FDIC will be written down as an increase to the provision for loan losses. Decreases in the valuations of other real estate owned covered by the loss sharing agreements are recorded net of the estimated FDIC receivable resulting from the valuation allowance as an increase to other real estate owned expense (a component of non-interest expense). The FDIC loss sharing receivable balance will be reduced through a charge to the provision for loan losses, with no offsetting reduction to the allowance for loan losses, as the period to submit losses under the FDIC loss sharing agreements approaches expiration and the estimated losses on the covered loans have not yet emerged or been realized in a final disposition event. The period to submit losses under the FDIC loss sharing agreements for non-single family loans expired in third quarter 2015 and no significant write-downs of the indemnification asset were required. The period to submit losses under the FDIC loss sharing agreements for single family loans expires in third quarter 2017. The final maturity of the FDIC loss sharing agreements occurs in third quarter 2020.

As part of the FDIC loss sharing agreements, the Bank also assumed a liability to be paid within 45 days subsequent to the maturity or termination of the loss sharing agreements that is contingent upon actual losses incurred over the life of the agreements relative to expected losses and the consideration paid upon acquisition of the failed institutions . Due to receipt of cash payments on the covered assets in excess of expectations, the Bank anticipates that it will be required to pay the FDIC at the end of its loss sharing agreements. As of March 31, 2016, a clawback liability of $2.4 million has been recorded. To the extent actual losses on the covered assets are less than estimated losses, the clawback liability will increase. To the extent actual losses on the covered assets are more than the estimated losses, the clawback liability will decrease. The clawback liability is contractually due to be paid to the FDIC subsequent to expiration of the agreements in 2020.

Asset Quality

Customers divides its loan portfolio into two categories to analyze and understand loan activity and performance: loans that were originated and loans that were acquired. Customers' originated loans were subject to the current underwriting standards that were put in place in 2009. Management believes this additional information provides a better understanding of the risk in the portfolio and the various types of reserves that are available to absorb loan losses that may arise in future periods. Credit losses from originated loans are absorbed by the allowance for loan losses. Credit losses from acquired loans are absorbed by the allowance for loan losses, nonaccretable difference fair value marks, and cash reserves, as described below. The allowance for loan losses is intended to absorb only those losses estimated to have been incurred after acquisition, whereas the fair value mark and cash reserves absorb losses estimated to have been embedded in the acquired loans at acquisition. The schedule that follows includes both loans held for sale and loans held for investment.

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Asset Quality at March 31, 2016

Loan Type	Total Loans		Current		30-89 Days		90 Days or More and Accruing		Non- accrual/ NPL (a)		OREO (b)		NPA (a)+(b)		NPL to Loan Type (%)		NPA to Loans + OREO (%)
(amounts in thousands)
Originated Loans
Multi-Family	3,204,625		3,204,625		—		—		—		—		—		—	%	—	%
Commercial & Industrial (1)	1,044,325		1,037,487		—		—		6,838		153		6,991		0.65	%	0.67	%
Commercial Real Estate Non-Owner Occupied	1,003,667		1,003,396		—		—		271		—		271		0.03	%	0.03	%
Residential	115,532		115,094		406		—		32		—		32		0.03	%	0.03	%
Construction	102,827		102,827		—		—		—		—		—		—	%	—	%
Other consumer	600		593		7		—		—		—		—		—	%	—	%
Total Originated Loans	5,471,576		5,464,022		413		—		7,141		153		7,294		0.13	%	0.13	%
Loans Acquired
Bank Acquisitions	202,080		186,304		3,252		5,908		6,616		4,428		11,044		3.27	%	5.35	%
Loan Purchases	233,468		223,792		3,384		3,935		2,357		525		2,882		1.01	%	1.23	%
Total Loans Acquired	435,548		410,096		6,636		9,843		8,973		4,953		13,926		2.06	%	3.16	%
Deferred costs and unamortized premiums, net	191		191		—		—		—		—		—
Total Loans Receivable	5,907,315		5,874,309		7,049		9,843		16,114		5,106		21,220		0.27	%	0.36	%
Total Loans Held for Sale	1,969,280		1,969,280		—		—		—		—		—
Total Portfolio	$	7,876,595	$	7,843,589	$	7,049	$	9,843	$	16,114	$	5,106	$	21,220	0.20	%	0.27	%

(1) Commercial & industrial loans, including owner occupied commercial real estate.

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Asset Quality at March 31, 2016 (continued)

Loan Type	Total Loans		NPL		ALL		Cash Reserve		Total Credit Reserves		Reserves to Loans (%)		Reserves to NPLs (%)
(amounts in thousands)
Originated Loans
Multi-Family	3,204,625		—		12,135		—		12,135		0.38	%	—	%
Commercial & Industrial (1)	1,044,325		6,838		10,058		—		10,058		0.96	%	147.09	%
Commercial Real Estate Non-Owner Occupied	1,003,667		271		4,073		—		4,073		0.41	%	1,502.95	%
Residential	115,532		32		2,082		—		2,082		1.80	%	6,506.25	%
Construction	102,827		—		1,264		—		1,264		1.23	%	—	%
Other consumer	600		—		7		—		7		1.17	%	—	%
Total Originated Loans	5,471,576		7,141		29,619		—		29,619		0.54	%	414.77	%
Loans Acquired
Bank Acquisitions	202,080		6,616		7,518		—		7,518		3.72	%	113.63	%
Loan Purchases	233,468		2,357		468		1,407		1,875		0.80	%	79.55	%
Total Loans Acquired	435,548		8,973		7,986		1,407		9,393		2.16	%	104.68	%
Deferred costs and unamortized premiums, net	191		—		—		—		—
Total Loans Receivable	5,907,315		16,114		37,605		1,407		39,012		0.66	%	242.10	%
Total Loans Held for Sale	1,969,280		—		—		—		—
Total Portfolio	$	7,876,595	$	16,114	$	37,605	$	1,407	$	39,012	0.50	%	242.10	%

(1) Commercial & industrial loans, including owner occupied commercial real estate.

Originated Loans

Post 2009 originated loans (excluding held-for-sale loans) totaled $5.5 billion, or 92.6%, of total loans excluding loans held for sale at March 31, 2016, compared to $5.0 billion, or 91.7%, at December 31, 2015. The new management team adopted new underwriting standards that management believes better limits risks of loss than the pre-2009, or legacy underwriting standards, or the underwriting standards of acquired, typically troubled banks. Post 2009 non-performing loans were $7.1 million, or 0.13% at March 31, 2016, compared to $3.6 million, or 0.07% at December 31, 2015. The post 2009 originated loans were supported by an allowance for loan losses of $29.6 million (0.54% of post 2009 originated loans) and $27.7 million (0.55% of post 2009 originated loans), respectively, at March 31, 2016 and December 31, 2015.

Loans Acquired

At March 31, 2016, Customers reported $435.5 million of acquired loans, which was 7.4% of total loans excluding loans held for sale, compared to $450.6 million, or 8.3%, of total loans at December 31, 2015. Non-performing acquired loans totaled $9.0 million and $7.2 million at March 31, 2016 and December 31, 2015, respectively. When loans are acquired, they are recorded on the balance sheet at fair value. Acquired loans include purchased portfolios, FDIC failed-bank acquisitions, and unassisted acquisitions. Of the manufactured housing loans purchased from Tammac prior to 2012, $62.4 million were supported by a $1.4 million cash reserve at March 31, 2016, compared to $63.4 million supported by a cash reserve of $1.2 million at December 31, 2015. The cash reserve was created as part of the purchase transaction to absorb losses and is maintained in a demand deposit account at the Bank. All current losses and delinquent interest are absorbed by this reserve. For the manufactured housing loans purchased in 2012, Tammac has an obligation to pay the Bank the full payoff amount of the defaulted loan, including any principal, unpaid interest, or advances on the loans, once the borrower vacates the property. At March 31, 2016, $40.4 million of these loans were outstanding, compared to $41.9 million at December 31, 2015.

Many of the acquired loans were purchased at a discount. The price paid considered management’s judgment as to the credit and interest rate risk inherent in the portfolio at the time of purchase. Every quarter, management reassesses the risk and adjusts the cash flow forecast to incorporate changes in the credit outlook. Generally, a decrease in forecasted cash flows for a purchased loan will result in a provision for loan losses, and absent charge-offs, an increase in the allowance for loan losses. Acquired loans have a significantly higher percentage of non-performing loans than loans originated after September 2009. Management acquired these loans with the expectation that non-performing loan levels would be elevated, and therefore incorporated that expectation into the price paid. There is a Special Assets Group that focuses on workouts for these acquired non-performing assets. Total acquired loans were supported by reserves (allowance for loan losses and cash reserves) of $9.4

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million (2.16% of total acquired loans) and $9.1 million (2.03% of total acquired loans), respectively, at March 31, 2016 and December 31, 2015.

Deposits

The Bank offers a variety of deposit accounts, including checking, savings, money market deposit accounts (“MMDA”) and time deposits. Deposits are generally obtained primarily from our geographic service area. Customers also acquires deposits nationwide through deposit brokers, listing services and other relationships. Total deposits grew to $6.5 billion at March 31, 2016, an increase of $0.6 billion, or 9.6%, from $5.9 billion at December 31, 2015. Demand deposits were $913.1 million at March 31, 2016, compared to $780.9 million at December 31, 2015, an increase of $132.2 million, or 16.9%. These amounts consist primarily of non-interest bearing demand deposits. Savings, including MMDA, totaled $3.2 billion at March 31, 2016, an increase of $414.2 million, or 14.9%, from $2.8 billion at December 31, 2015. This increase was primarily attributed to an increase in money market accounts, including accounts held by municipalities. Total time deposits were $2.4 billion at March 31, 2016, an increase of $22.7 million, or 1.0%, from $2.3 billion at December 31, 2015. At March 31, 2016, the Bank had $1.4 billion in state and municipal deposits to which Customers has pledged available borrowing capacity through the FHLB to the depositor through a letter of credit arrangement. State and municipal deposits under this program increased $81.3 million, or 6.4% from December 31, 2015.

The components of deposits were as follows at the dates indicated:

	March 31, 2016		December 31, 2015
(amounts in thousands)
Demand	$	913,107	$	780,894
Savings, including MMDA	3,195,180		2,781,010
Time, $100,000 and over	1,673,375		1,624,562
Time, other	696,953		723,035
Total deposits	$	6,478,615	$	5,909,501

Borrowings

Borrowed funds from various sources are generally used to supplement deposit growth and meet other operating needs. Customers' borrowings include short term and long term advances from the FHLB, federal funds purchased, senior unsecured notes and subordinated debt. As of March 31, 2016 and December 31, 2015, total borrowings were $1.9 billion. Total outstanding borrowings remained relatively flat as the organic loan growth achieved in first quarter 2016 was principally funded by increased deposits.

Capital Adequacy and Shareholders’ Equity

Shareholders’ equity increased $45.3 million to $599.2 million at March 31, 2016, compared to shareholders' equity of $553.9 million at December 31, 2015. The primary components of the increase were as follows:

•the issuance of 1,000,000 shares of preferred stock on January 29, 2016 with net proceeds of 24.1 million;

• net income of $17.7 million for the three months ended March 31, 2016;

• net other comprehensive income of $2.7 million for the three months ended March 31, 2016;

• share-based compensation expense of $1.4 million for the three months ended March 31, 2016; offset in part by

• the accrual of preferred stock dividends of $1.3 million for the three months ended March 31, 2016.

Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D

On January 29, 2016, Customers Bancorp issued 1,000,000 shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D, par value $1.00 per share, with a liquidation preference of $25.00 per share.

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Customers Bancorp will pay dividends on the Series D Preferred Stock only when, as, and if declared by the board of directors or a duly authorized committee of the board and to the extent that it has lawfully available funds to pay dividends. Dividends on the Series D Preferred Stock accrue and are payable quarterly in arrears, on the 15th day of March, June, September, and December of each year, at a fixed rate per annum equal to 6.50% from the original issue date to, but excluding, March 15, 2021, and thereafter at a floating rate per annum equal to three-month LIBOR on the related dividend determination date plus a spread of 5.09% per annum.

Dividends on the Series D Preferred Stock are not cumulative. If Customers Bancorp's board of directors or a duly authorized committee of the board does not declare a dividend on the Series D Preferred Stock in respect of a dividend period, then no dividend shall be deemed to have accrued for such dividend period, be payable on the applicable dividend payment date, or be cumulative, and Customers Bancorp will have no obligation to pay any dividend for that dividend period, whether or not the board of directors or a duly authorized committee of the board declares a dividend on the Series D Preferred Stock for any future dividend period.

The Series D Preferred Stock has no stated maturity, is not subject to any mandatory redemption, sinking fund or other similar provisions and will remain outstanding unless redeemed at Customers Bancorp's option. Customers Bancorp may redeem the Series D Preferred Stock at its option, at a redemption price equal to $25.00 per share, plus any declared and unpaid dividends (without regard to any undeclared dividends), (i) in whole or in part, from time to time, on any dividend payment date on or after March 15, 2021 or (ii) in whole but not in part, within 90 days following the occurrence of a regulatory capital treatment event. Any redemption of the Series D Preferred Stock is subject to prior approval of the Board of Governors of the Federal Reserve System. The Series D Preferred Stock qualifies as Tier 1 capital under regulatory capital guidelines.

Except in limited circumstances, the Series D Preferred Stock does not have any voting rights.

We are subject to various regulatory capital requirements that are monitored by federal banking agencies. Failure to meet minimum capital requirements can lead to supervisory actions by regulators; any supervisory action could have a direct material effect on our financial statements. At March 31, 2016, the Bank and Customers Bancorp met all capital adequacy requirements to which they were subject. Capital levels continue to exceed the well-capitalized threshold established by regulation at the Bank and exceed the applicable Basel III regulatory thresholds for Customers Bancorp and the Bank.

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The capital ratios for the Bank and the Bancorp at March 31, 2016 and December 31, 2015 were as follows:

	Actual				For Capital Adequacy Purposes (Minimum Plus Capital Buffer)				To Be Well Capitalized Under Prompt Corrective Action Provisions
(amounts in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of March 31, 2016:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	518,117	7.201	%	$	368,754	5.125	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	367,589	5.125	%	$	466,210	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	597,794	8.308	%	$	476,681	6.625	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	475,176	6.625	%	$	573,797	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	740,646	10.294	%	$	620,585	8.625	%	N/A		N/A
Customers Bank	$	777,883	10.845	%	$	618,625	8.625	%	$	717,246	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	597,794	7.151	%	$	334,366	4.000	%	N/A		N/A
Customers Bank	$	631,569	7.575	%	$	333,494	4.000	%	$	416,868	5.000	%
As of December 31, 2015:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	500,624	7.610	%	$	296,014	4.500	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	294,916	4.500	%	$	425,990	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	556,193	8.460	%	$	394,685	6.000	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	393,221	6.000	%	$	524,295	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	698,323	10.620	%	$	526,247	8.000	%	N/A		N/A
Customers Bank	$	710,864	10.850	%	$	524,295	8.000	%	$	655,369	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	556,193	7.160	%	$	310,812	4.000	%	N/A		N/A
Customers Bank	$	565,217	7.300	%	$	309,883	4.000	%	$	387,353	5.000	%

The capital ratios above reflect the capital requirements under "Basel III" effective during the first quarter 2015 and the capital conservation buffer effective January 1, 2016. Failure to maintain the required capital conservation buffer will result in limitations on capital distributions and on discretionary bonuses to executive officers. As of March 31, 2016, the Bank and Bancorp were in compliance with the Basel III requirements. See "NOTE 11 - REGULATORY CAPITAL" for additional discussion regarding regulatory capital requirements.

Off-Balance Sheet Arrangements

The Bank is involved with financial instruments and other commitments with off-balance sheet risks. Financial instruments with off-balance sheet risks are incurred in the normal course of business to meet the financing needs of our customers. These financial instruments include commitments to extend credit, including unused portions of lines of credit, and standby letters of credit. Those instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized on the balance sheets.

With commitments to extend credit, exposures to credit loss in the event of non-performance by the other party to the financial instrument is represented by the contractual amount of those instruments. The same credit policies are used in making commitments and conditional obligations as for on-balance sheet instruments. Because they involve credit risk similar to extending a loan, they are subject to the Bank’s credit policy and other underwriting standards.

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As of March 31, 2016 and December 31, 2015, the following off-balance sheet commitments, financial instruments and other arrangements were outstanding:

	March 31, 2016		December 31, 2015
(amounts in thousands)
Commitments to fund loans	$	287,293	$	537,380
Unfunded commitments to fund mortgage warehouse loans	1,259,641		1,302,759
Unfunded commitments under lines of credit	462,906		436,550
Letters of credit	36,481		42,002
Other unused commitments	6,399		6,360

Commitments to fund loans, unfunded commitments to fund mortgage warehouse loans, unfunded commitments under lines of credit and letters of credit are agreements to extend credit to or for the benefit of a customer in the ordinary course of our business.

Commitments to fund loans and unfunded commitments under lines of credit may be obligations of Customers as long as there is no violation of any condition established in the contract. Because many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Customers evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if Customers deems it necessary upon extension of credit, is based on management’s credit evaluation. The types of collateral held varies but may include personal or commercial real estate, accounts receivable, inventory and equipment.

Mortgage warehouse loan commitments are agreements to purchase mortgage loans from mortgage bankers that agree to purchase the loans back in a short period of time or to sell to third party mortgage originators. These commitments generally fluctuate monthly as existing loans are repurchased by the mortgage bankers and new loans are purchased by the Bank.

Outstanding letters of credit written are conditional commitments issued by Customers to guarantee the performance of a customer to a third party. Letters of credit may obligate Customers to fund draws under those letters of credit whether or not a customer continues to meet the conditions of the extension of credit. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.

Liquidity and Capital Resources

Liquidity for a financial institution is a measure of that institution’s ability to meet depositors’ needs for funds, to satisfy or fund loan commitments, and for other operating purposes. Ensuring adequate liquidity is an objective of the asset/liability management process. Customers coordinates its management of liquidity with its interest rate sensitivity and capital position, and strives to maintain a strong liquidity position.

Customers' investment portfolio provides periodic cash flows through regular maturities and amortization and can be used as collateral to secure additional liquidity funding. Our principal sources of funds are proceeds from stock issuance, deposits, debt issuance, principal and interest payments on loans, and other funds from operations. Borrowing arrangements are maintained with the Federal Home Loan Bank and the Federal Reserve Bank of Philadelphia to meet short-term liquidity needs.  Longer term borrowing arrangements are also maintained with the Federal home Loan Bank. As of March 31, 2016, our borrowing capacity with the Federal Home Loan Bank was $4.0 billion, of which $1.6 billion was utilized in borrowings and $1.6 billion of available capacity was utilized to collateralize state and municipal deposits. As of March 31, 2016, our borrowing capacity with the Federal Reserve Bank of Philadelphia was $63.6 million.

Net cash flows used in operating activities were $178.5 million during the three months ended March 31, 2016, compared to net cash flows used in operating activities of $324.4 million during the three months ended March 31, 2015. During the three months ended March 31, 2016, originations of loans held for sale exceeded proceeds from sales of loans held for sale by $183.0 million. During the three months ended March 31, 2015, originations of loans held for sale exceeded proceeds from sales of loans held for sale by $341.1 million.

Investing activities used net cash flows of $434.6 million during the three months ended March 31, 2016, compared to $0.7 million during the three months ended March 31, 2015. Net cash used to originate loans totaled $449.0 million during the three months ended March 31, 2016, compared to $148.6 million during the three months ended March 31, 2015. Proceeds from the

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sale of loans totaled $6.9 million during the three months ended March 31, 2016, compared to $141.4 million during the three months ended March 31, 2015.

Financing activities provided a net aggregate of $611.1 million during the three months ended March 31, 2016, compared to $287.9 million during the three months ended March 31, 2015. During the three months ended March 31, 2016, increases in deposits provided $569.1 million, net repayments of short-term borrowed funds used $16.6 million, net proceeds from federal funds purchased provided $10 million, net proceeds from long-term FHLB advances provided $25.0 million, net proceeds from the issuance of preferred stock provided $24.1 million, proceeds from the issuance of common stock provided $0.6 million, and payment of preferred stock dividends used $1.2 million. During the three months ended March 31, 2015, increases in deposits provided $360.8 million, net repayments from short-term borrowed funds used $98.0 million, and net proceeds from long-term FHLB advances provided $25.0 million, and net proceeds from the issuance of common stock provided $0.1 million. These financing activities provided sufficient cash flows to support Customers' investing and operating activities.

Overall, based on our core deposit base and available sources of borrowed funds, management believes that Customers has adequate resources to meet its short-term and long-term cash requirements for the foreseeable future.

Effect of Government Monetary Policies

Our earnings are and will be affected by domestic economic conditions and the monetary and fiscal policies of the United States government and its agencies. An important function of the Federal Reserve Board is to regulate the money supply and interest rates. Among the instruments used to implement those objectives are open market operations in United States government securities and changes in reserve requirements against member bank deposits. These instruments are used in varying combinations to influence overall growth and distribution of bank loans, investments, and deposits, and their use may also affect rates charged on loans or paid for deposits.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

Interest Rate Sensitivity

The largest component of our net income is net interest income, and the majority of our financial instruments are interest rate sensitive assets and liabilities with various term structures and maturities. One of the primary objectives of management is to maximize net interest income while minimizing interest rate risk. Interest rate risk is derived from timing differences in the repricing of assets and liabilities, loan prepayments, deposit withdrawals, and differences in lending and funding rates. Our Asset/Liability Committee actively seeks to monitor and control the mix of interest rate sensitive assets and interest rate sensitive liabilities.

We use two complementary methods to analyze and measure interest rate sensitivity as part of the overall management of interest rate risk. They are income simulation modeling and estimates of economic value of equity. The combination of these two methods provides a reasonably comprehensive summary of the levels of interest rate risk of our exposure to time factors and changes in interest rate environments.

Income simulation modeling is used to measure our interest rate sensitivity and manage our interest rate risk. Income simulation considers not only the impact of changing market interest rates upon forecasted net interest income, but also other factors such as yield curve relationships, the volume and mix of assets and liabilities, customer preferences and general market conditions.

Through the use of income simulation modeling, we have estimated the net interest income for the period ending March 31, 2017, based upon the assets, liabilities and off-balance sheet financial instruments in existence at March 31, 2016. We have also estimated changes to that estimated net interest income based upon interest rates rising or falling immediately (“rate shocks”).  For upward rate shocks modeling a rising rate environment, current market interest rates were increased immediately by 100, 200, and 300 basis points. For downward rate shocks modeling a falling rate environment, current market rates were only decreased immediately by 100 basis points due to the limitations of the current low interest rate environment that renders the Down 200 and Down 300 rate shocks impractical. The following table reflects the estimated percentage change in estimated net interest income for the period ending March 31, 2016, resulting from changes in interest rates.

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Net change in net interest income

Rate Shocks	% Change
Up 3%	(9.4	)%
Up 2%	(2.6	)%
Up 1%	0.7	%
Down 1%	(1.2	)%

The net changes in net interest income in all scenarios are within Customers Bank’s interest rate risk policy guidelines.

Economic Value of Equity (“EVE”) estimates the discounted present value of asset and liability cash flows. Discount rates are based upon market prices for comparable assets and liabilities. Upward and downward rate shocks are used to measure volatility of EVE in relation to a constant rate environment.  For upward rate shocks modeling a rising rate environment, current market interest rates were increased immediately by 100, 200, and 300 basis points. For downward rate shocks modeling a falling rate environment, current market rates were only decreased immediately by 100 basis points due to the limitations of the current low interest rate environment that renders the Down 200 and Down 300 rate shocks impractical. This method of measurement primarily evaluates the longer term repricing risks and options in Customers Bank’s balance sheet. The following table reflects the estimated EVE at risk and the ratio of EVE to EVE adjusted assets at March 31, 2016, resulting from shocks to interest rates.

Rate Shocks	From base
Up 3%	(30.8	)%
Up 2%	(14.9	)%
Up 1%	(4.4	)%
Down 1%	(1.8	)%

The net changes in economic value of equity in all scenarios are within Customers Bank’s interest rate risk policy guidelines.

The matching of assets and liabilities may also be analyzed by examining the extent to which such assets and liabilities are interest rate sensitive and by monitoring a bank’s interest rate sensitivity “gap”. An asset or liability is said to be interest rate sensitive within a specific time period if it will mature or reprice within that time period. The interest rate sensitivity gap is defined as the difference between the amount of interest earning assets maturing or repricing within a specific time period and the amount of interest bearing liabilities maturing or repricing within that time period.

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The following table sets forth the amounts of interest-earning assets and interest-bearing liabilities outstanding at March 31, 2016 that are anticipated, based upon certain assumptions, to reprice or mature in each of the future time periods shown. Except as stated below, the amount of assets and liabilities shown that reprice or mature during a particular period were determined in accordance with the earlier of term to repricing or the contractual maturity of the asset or liability. The table sets forth an approximation of the projected repricing of assets and liabilities at March 31, 2016 on the basis of contractual maturities, anticipated prepayments, and scheduled rate adjustments within a three-month period and subsequent selected time intervals. The loan amounts in the table reflect principal balances expected to be repaid and/or repriced as a result of contractual amortization and anticipated prepayments of adjustable and fixed rate loans, and as a result of contractual-rate adjustments on adjustable-rate loans.

Balance Sheet Gap Analysis at March 31, 2016
	3 months or less			3 to 6 months			6 to 12 months			1 to 3 years			3 to 5 years			Over 5 years			Total
	(dollars in thousands)
Assets
Interest earning deposits and federal funds sold	$	—		$	—		$	—		$	—		$	—		$	198,788		$	198,788
Investment securities	32,272			30,910			58,015			187,832			141,572			83,325			533,926
Loans (a)	3,128,594			147,374			271,475			1,637,380			2,383,926			265,390			7,834,139
Other interest-earning assets	—			—			—			—			94,971			—			94,971
Total interest-earning assets	3,160,866			178,284			329,490			1,825,212			2,620,469			547,503			8,661,824
Non interest-earning assets	—			—			—			—			—			344,700			344,700
Total assets	3,160,866			178,284			329,490			1,825,212			2,620,469			892,203			$	9,006,524
Liabilities
Other interest-bearing deposits	$	59,735		$	57,686		$	109,530		$	370,248		$	2,559,470		$	172,097		$	3,328,766
Time deposits	843,656			306,194			605,883			514,839			101,656			1			2,372,229
Other borrowings	1,368,700			—			35,000			310,000			—			—			1,713,700
Subordinated debt	—			—			—			—			—			108,709			108,709
Total interest-bearing liabilities	2,272,091			363,880			750,413			1,195,087			2,661,126			280,807			7,523,404
Non-interest-bearing liabilities	30,772			29,546			55,610			182,298			358,299			193,571			850,096
Shareholders’ equity	—			—			—			—			—			633,024			633,024
Total liabilities and shareholders’ equity	2,302,863			393,426			806,023			1,377,385			3,019,425			1,107,402			$	9,006,524
Interest sensitivity gap	$	858,003		$	(215,142	)	$	(476,533	)	$	447,827		$	(398,956	)	$	(215,199	)	—
Cumulative interest sensitivity gap				$	642,861		$	166,328		$	614,155		$	215,199		$	—
Cumulative interest sensitivity gap to total assets	9.5		%	7.1		%	1.8		%	6.8		%	2.4		%	0.0		%
Cumulative interest-earning assets to cumulative interest-bearing liabilities	137.3		%	123.8		%	104.7		%	112.6		%	102.7		%	100.0		%

(a)    Including loans held for sale

As shown above, we have a positive cumulative gap (cumulative interest sensitive assets are higher than cumulative interest sensitive liabilities) within the next year, which generally indicates that an increase in rates may lead to an increase in net interest income, and a decrease in rates may lead to a decrease in net interest income. Interest rate sensitivity gap analysis measures whether assets or liabilities may reprice but does not capture the ability to reprice or the range of potential repricing on assets or liabilities. Thus indications based on a negative or positive gap position need to be analyzed in conjunction with other interest rate risk management tools.

Management believes that the assumptions and combination of methods utilized in evaluating estimated net interest income are reasonable. However, the interest rate sensitivity of our assets, liabilities and off-balance sheet financial instruments, as well as the estimated effect of changes in interest rates on estimated net interest income, could vary substantially if different assumptions are used or actual experience differs from the assumptions used in the model.

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Item 4. Controls and Procedures

As of the end of the period covered by this report, Customers Bancorp carried out an evaluation, under the supervision and with the participation of Customers Bancorp’s management, including Customers Bancorp’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of Customers Bancorp’s disclosure controls and procedures as defined in the Exchange Act Rules 13a-15(e) and 15d-15(e). Based upon the evaluation, the Chief Executive Officer and Chief Financial Officer concluded that Customers Bancorp’s disclosure controls and procedures were effective at March 31, 2016.

During the quarter ended March 31, 2016, there have been no changes in the Bancorp’s internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, the Bancorp’s internal control over financial reporting.

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Part II. OTHER INFORMATION

Item 1. Legal Proceedings

There have been no material changes to the legal proceedings disclosed within our 2015 Form 10-K.

Item 1A. Risk Factors

In addition to the other information set forth in this Quarterly Report, you should carefully consider the factors discussed in “Risk Factors” included within the 2015 Form 10-K.  The risks described therein are not the only risks facing us.  Additional risks and uncertainties not currently known to us or that we currently believe to be immaterial also may materially adversely affect our business, financial condition and/or operating results.  See “Item 2 - Management’s Discussion and Analysis of Financial Condition and Results of Operations - Cautionary Note Regarding Forward-Looking Statements.”

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

On November 26, 2013, Customers announced that the Board of Directors had authorized a stock repurchase plan in which the Bancorp could acquire up to 5% of its current outstanding shares at prices not to exceed a 20% premium over the then current book value. The repurchase program has no expiration date but may be suspended, modified or discontinued at any time, and the Bancorp has no obligation to repurchase any amount of its common stock under the program.

During the three months ended March 31, 2016, Customers did not repurchase any of its shares. The maximum number of shares available to be purchased under the plan is 750,551 shares.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

None.

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Item 6. Exhibits

Exhibit No.	Description
3.1	Amended and Restated Articles of Incorporation of Customers Bancorp, incorporated by reference to Exhibit 3.1 to the Customers Bancorp’s Form 8-K filed with the SEC on April 30, 2012
3.2	Amended and Restated Bylaws of Customers Bancorp, incorporated by reference to Exhibit 3.2 to the Customers Bancorp’s Form 8-K filed with the SEC on April 30, 2012
3.3	Articles of Amendment to the Amended and Restated Articles of Incorporation of Customers Bancorp, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on July 2, 2012
3.4	Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series C, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on May 18, 2015
3.5	Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on January 29, 2016
4.1	Indenture, dated as of July 30, 2013, by and between Customers Bancorp, Inc., as Issuer, and Wilmington Trust, National Association, as Trustee, incorporated by reference to Exhibit 4.1 to the Customers Bancorp 8-K filed with the SEC on July 31, 2013
4.2	First Supplemental Indenture, dated as of July 30, 2013, by and between Customers Bancorp, Inc., as Issuer, and Wilmington Trust, National Association, as Trustee, incorporated by reference to Exhibit 4.2 to the Customers Bancorp 8-K filed with the SEC on July 31, 2013
4.3	6.375% Global Note in aggregate principal amount of $55,000,000, incorporated by reference to Exhibit 4.3 to the Customers Bancorp 8-K filed with the SEC on July 31, 2013
4.4	Amendment to First Supplemental Indenture, dated August 27, 2013, by and between Customers Bancorp, Inc. and Wilmington Trust Company, National Association, as trustee, incorporated by reference to Exhibit 4.1 to the Customers Bancorp 8-K filed with the SEC on August 29, 2013.
4.5	6.375% Global Note in aggregate principal amount of $8,250,000, incorporated by reference to Exhibit 4.2 to the Customers Bancorp 8-K filed with the SEC on August 29, 2013
4.6	Form of Note Subscription Agreement (including form of Subordinated Note Certificate and Senior Note Certificate), incorporated by reference to Exhibit 10.1 to the Customers Bancorp 8-K filed with the SEC on June 26, 2014
31.1	Certification of the Chief Executive Officer Pursuant to Exchange Act Rule 13a-14(a) or Rule15d-14(a)
31.2	Certification of the Chief Financial Officer Pursuant to Exchange Act Rule 13a-14(a) or Rule15d-14(a)
32.1	Certification of the Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of Sarbanes-Oxley Act of 2002
32.2	Certification of the Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of Sarbanes-Oxley Act of 2002
101	The Exhibits filed as part of this report are as follows:
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definitions Linkbase Document.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	Customers Bancorp, Inc.
May 5, 2016	By:	/s/ Jay S. Sidhu
	Name:	Jay S. Sidhu
	Title:	Chairman and Chief Executive Officer (Principal Executive Officer)
	Customers Bancorp, Inc.
May 5, 2016	By:	/s/ Robert E. Wahlman
	Name:	Robert E. Wahlman
	Title:	Chief Financial Officer (Principal Financial Officer)

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Exhibit Index

Exhibit No.	Description
3.1	Amended and Restated Articles of Incorporation of Customers Bancorp, incorporated by reference to Exhibit 3.1 to the Customers Bancorp’s Form 8-K filed with the SEC on April 30, 2012
3.2	Amended and Restated Bylaws of Customers Bancorp, incorporated by reference to Exhibit 3.2 to the Customers Bancorp’s Form 8-K filed with the SEC on April 30, 2012
3.3	Articles of Amendment to the Amended and Restated Articles of Incorporation of Customers Bancorp, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on July 2, 2012
3.4	Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series C, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on May 18, 2015
3.5	Statement with Respect to Shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D, incorporated by reference to Exhibit 3.1 to the Customers Bancorp Form 8-K filed with the SEC on January 29, 2016
4.1	Indenture, dated as of July 30, 2013, by and between Customers Bancorp, Inc., as Issuer, and Wilmington Trust, National Association, as Trustee, incorporated by reference to Exhibit 4.1 to the Customers Bancorp 8-K filed with the SEC on July 31, 2013
4.2	First Supplemental Indenture, dated as of July 30, 2013, by and between Customers Bancorp, Inc., as Issuer, and Wilmington Trust, National Association, as Trustee, incorporated by reference to Exhibit 4.2 to the Customers Bancorp 8-K filed with the SEC on July 31, 2013
4.3	6.375% Global Note in aggregate principal amount of $55,000,000, incorporated by reference to Exhibit 4.3 to the Customers Bancorp 8-K filed with the SEC on July 31, 2013
4.4	Amendment to First Supplemental Indenture, dated August 27, 2013, by and between Customers Bancorp, Inc. and Wilmington Trust Company, National Association, as trustee, incorporated by reference to Exhibit 4.1 to the Customers Bancorp 8-K filed with the SEC on August 29, 2013.
4.5	6.375% Global Note in aggregate principal amount of $8,250,000, incorporated by reference to Exhibit 4.2 to the Customers Bancorp 8-K filed with the SEC on August 29, 2013
4.6	Form of Note Subscription Agreement (including form of Subordinated Note Certificate and Senior Note Certificate), incorporated by reference to Exhibit 10.1 to the Customers Bancorp 8-K filed with the SEC on June 26, 2014
31.1	Certification of the Chief Executive Officer Pursuant to Exchange Act Rule 13a-14(a) or Rule15d-14(a)
31.2	Certification of the Chief Financial Officer Pursuant to Exchange Act Rule 13a-14(a) or Rule15d-14(a)
32.1	Certification of the Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of Sarbanes-Oxley Act of 2002
32.2	Certification of the Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of Sarbanes-Oxley Act of 2002
101	The Exhibits filed as part of this report are as follows:
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definitions Linkbase Document.

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EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO

RULES 13a-14(a) / 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Jay S. Sidhu, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Customers Bancorp, Inc.;

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.

/s/ Jay S. Sidhu

Jay S. Sidhu

Chairman and Chief Executive Officer

(Principal Executive Officer)

Date: May 5, 2016

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO

RULES 13a-14(a) / 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Robert E. Wahlman, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Customers Bancorp, Inc.;

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.

/s/ Robert E. Wahlman

Robert E. Wahlman

Chief Financial Officer

(Principal Financial Officer)

Date: May 5, 2016

EX-32.1

Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350,

as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the quarterly report of Customers Bancorp, Inc. (the “Corporation”) on Form 10-Q for the period ended March 31, 2016, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jay S. Sidhu, Chairman and Chief Executive Officer of the Corporation, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge and belief:

(1) 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 Corporation.

Date: May 5, 2016	/s/ Jay S. Sidhu
	Jay S. Sidhu, Chairman and Chief Executive Officer (Principal Executive Officer)

EX-32.2

Exhibit 32.2

Certification Pursuant to 18 U.S.C. Section 1350,

as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the quarterly report of Customers Bancorp, Inc. (the “Corporation”) on Form 10-Q for the period ended March 31, 2016, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Robert E. Wahlman, Chief Financial Officer of the Corporation, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge and belief:

(1) 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 Corporation.

Date: May 5, 2016	/s/ Robert E. Wahlman
	Robert E. Wahlman, Chief Financial Officer (Principal Financial Officer)

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Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2016	Apr. 28, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Trading Symbol	CUBI
Entity Registrant Name	Customers Bancorp, Inc.
Entity Central Index Key	0001488813
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		27,044,750

XML

Consolidated Balance Sheet - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
ASSETS
Cash and due from banks	$ 63,849	$ 53,550
Interest-earning deposits	198,789	211,043
Cash and cash equivalents	262,638	264,593
Investment securities available for sale, at fair value	556,165	560,253
Loans held for sale (includes $1,941,602 and $1,757,807, respectively, at fair value)	1,969,280	1,797,064
Loans receivable	5,907,315	5,453,479
Allowance for loan losses	(37,605)	(35,647)
Total loans receivable, net of allowance for loan losses	5,869,710	5,417,832
FHLB, Federal Reserve Bank, and other restricted stock	92,269	90,841
Accrued interest receivable	21,206	19,939
Bank premises and equipment, net	12,444	11,531
Bank-owned life insurance	158,339	157,211
Other real estate owned	5,106	5,057
Goodwill and other intangibles	3,648	3,651
Other assets	88,077	70,233
Total assets	9,038,882	8,398,205
Deposits:
Demand, non-interest bearing	779,568	653,679
Interest-bearing	5,699,047	5,255,822
Total deposits	6,478,615	5,909,501
Federal funds purchased	80,000	70,000
FHLB advances	1,633,700	1,625,300
Other borrowings	86,624	86,457
Subordinated debt	108,709	108,685
Accrued interest payable and other liabilities	51,985	44,360
Total liabilities	8,439,633	7,844,303
Shareholders' equity:
Preferred stock, par value $1.00 per share; liquidation preference $25.00 per share; 100,000,000 shares authorized, 3,300,000 and 2,300,000 shares issued and outstanding as of March 31, 2016 and December 31, 2015	79,677	55,569
Common stock, par value $1.00 per share; 200,000,000 shares authorized; 27,567,265 and 27,432,061 shares issued as of March 31, 2016 and December 31, 2015; 27,037,005 and 26,901,801 shares outstanding as of March 31, 2016 and December 31, 2015	27,567	27,432
Additional paid in capital	364,647	362,607
Retained earnings	140,924	124,511
Accumulated other comprehensive loss, net	(5,333)	(7,984)
Treasury stock, at cost (530,260 shares as of March 31, 2016 and December 31, 2015)	(8,233)	(8,233)
Total shareholders’ equity	599,249	553,902
Total liabilities and shareholders’ equity	$ 9,038,882	$ 8,398,205

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Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Loans held for sale at fair value	$ 1,941,602	$ 1,757,807
Preferred stock, par value (usd per share)	$ 1.0	$ 1.00
Preferred stock, liquidation preference (usd per share)	$ 25.00	$ 25.00
Preferred stock, shares authorized (shares)	100,000,000	100,000,000
Preferred stock, shares issued (shares)	3,300,000	2,300,000
Preferred stock, shares outstanding (shares)	3,300,000	2,300,000
Common stock, par value (usd per share)	$ 1.00	$ 1.00
Common stock, shares authorized (shares)	200,000,000	200,000,000
Common stock, shares issued (shares)	27,567,265	27,432,061
Common stock, shares outstanding (shares)	27,037,005	26,901,801
Treasury stock, shares (shares)	530,260	530,260

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Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest income:
Loans receivable	$ 54,472	$ 43,093
Loans held for sale	14,106	10,900
Investment securities	3,709	2,363
Other	1,111	2,362
Total interest income	73,398	58,718
Interest expense:
Deposits	10,212	7,526
Other borrowings	1,606	1,488
FHLB advances	2,268	1,689
Subordinated debt	1,685	1,685
Total interest expense	15,771	12,388
Net interest income	57,627	46,330
Provision for loan losses	1,980	2,964
Net interest income after provision for loan losses	55,647	43,366
Non-interest income:
Mortgage warehouse transactional fees	2,548	2,273
Bank-owned life insurance	1,123	1,061
Gain on sale of loans	644	1,231
Deposit fees	255	179
Mortgage loans and banking income	165	151
Gain on sale of investment securities	26	0
Other	733	838
Total non-interest income	5,494	5,733
Non-interest expense:
Salaries and employee benefits	17,332	13,952
FDIC assessments, taxes, and regulatory fees	4,030	3,278
Professional services	2,657	1,913
Technology, communication and bank operations	2,643	2,531
Occupancy	2,325	2,101
Loan workout	418	269
Other real estate owned	287	884
Advertising and promotion	256	347
Other	3,957	2,190
Total non-interest expense	33,905	27,465
Income before income tax expense	27,236	21,634
Income tax expense	9,537	7,682
Net income	17,699	13,952
Preferred stock dividends	1,286	0
Net income available to common shareholders	$ 16,413	$ 13,952
Basic earnings per common share (usd per share)	$ 0.61	$ 0.52
Diluted earnings per common share (usd per share)	$ 0.57	$ 0.49

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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 17,699	$ 13,952
Unrealized gains (losses) on securities:
Unrealized holding gains on securities arising during the period	6,867	459
Income tax effect	(2,575)	(216)
Reclassification adjustment for gains on securities included in net income	(26)	0
Income tax effect	10	0
Net unrealized gains	4,276	243
Unrealized gains (losses) on cash flow hedges:
Unrealized losses on cash flow hedges arising during the period	(2,600)	(1,946)
Income tax effect	975	778
Net unrealized losses	(1,625)	(1,168)
Other comprehensive income (loss), net of tax	2,651	(925)
Comprehensive income	$ 20,350	$ 13,027

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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Series D Preferred Stock	Preferred Stock	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance, preferred stock (shares) at Dec. 31, 2014			0
Beginning balance, common stock (shares) at Dec. 31, 2014				26,745,529
Beginning balance at Dec. 31, 2014	$ 443,145		$ 0	$ 27,278	$ 355,822	$ 68,421	$ (122)	$ (8,254)
Net income	13,952					13,952
Other comprehensive income (loss)	(925)						(925)
Share-based compensation expense	1,170				1,170
Issuance of common stock under share-based compensation arrangements (shares)				78,510
Issuance of common stock under share-based compensation arrangements	609			$ 78	531
Ending balance, preferred stock (shares) at Mar. 31, 2015			0
Ending balance, common stock (shares) at Mar. 31, 2015				26,824,039
Ending balance at Mar. 31, 2015	$ 457,951		$ 0	$ 27,356	357,523	82,373	(1,047)	(8,254)
Beginning balance, preferred stock (shares) at Dec. 31, 2015	2,300,000		2,300,000
Beginning balance, common stock (shares) at Dec. 31, 2015	26,901,801			26,901,801
Beginning balance at Dec. 31, 2015	$ 553,902		$ 55,569	$ 27,432	362,607	124,511	(7,984)	(8,233)
Net income	17,699					17,699
Other comprehensive income (loss)	2,651						2,651
Issuance of stock, net of offering costs (shares)			1,000,000	7,291
Issuance of stock, net of offering costs	159	$ 24,108	$ 24,108	$ 7	152
Preferred stock dividends	(1,286)					(1,286)
Share-based compensation expense	1,402				1,402
Exercise of warrants (shares)				12,377
Exercise of warrants	118			$ 12	106
Issuance of common stock under share-based compensation arrangements (shares)				115,536
Issuance of common stock under share-based compensation arrangements	$ 496			$ 116	380			0
Ending balance, preferred stock (shares) at Mar. 31, 2016	3,300,000		3,300,000
Ending balance, common stock (shares) at Mar. 31, 2016	27,037,005			27,037,005
Ending balance at Mar. 31, 2016	$ 599,249		$ 79,677	$ 27,567	$ 364,647	$ 140,924	$ (5,333)	$ (8,233)

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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Common Stock
Offering costs	$ 15
Preferred Stock
Offering costs	$ 892

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows from Operating Activities
Net income	$ 17,699	$ 13,952
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Provision for loan losses, net of change to FDIC receivable and clawback liability	1,980	2,964
Provision for depreciation and amortization	970	1,033
Share-based compensation	1,689	1,416
Deferred taxes	573	(1,540)
Net amortization of investment securities premiums and discounts	205	211
Loss (gain) on sale of investment securities	(26)	0
Gain on sale of mortgages and other loans	(810)	(1,266)
Origination of loans held for sale	(6,876,748)	(6,627,070)
Proceeds from the sale of loans held for sale	6,693,763	6,285,952
Increase in FDIC loss sharing receivable net of clawback liability	304	(134)
Amortization (accretion) of fair value discounts	(114)	32
Net loss on sales of other real estate owned	15	441
Valuation and other adjustments to other real estate owned, net of FDIC receivable	170	343
Earnings on investment in bank-owned life insurance	(1,123)	(1,061)
Increase in accrued interest receivable and other assets	(21,304)	(3,259)
Increase in accrued interest payable and other liabilities	4,254	3,574
Net Cash Used In Operating Activities	(178,503)	(324,412)
Cash Flows from Investing Activities
Proceeds from maturities, calls and principal repayments of securities available for sale	12,902	20,739
Proceeds from sales of investment securities available for sale	2,848	0
Purchases of investment securities available for sale	(5,000)	0
Net increase in loans	(448,956)	(148,554)
Proceeds from sales of loans	6,946	141,437
Purchases of bank-owned life insurance	0	(15,000)
Net proceeds from (purchases of) FHLB, Federal Reserve Bank, and other restricted stock	(1,428)	204
Reimbursements from the FDIC on loss sharing agreements	(320)	(302)
Purchases of bank premises and equipment	(1,665)	(829)
Proceeds from sales of other real estate owned	86	1,619
Net Cash Used In Investing Activities	(434,587)	(686)
Cash Flows from Financing Activities
Net increase in deposits	569,116	360,789
Net (decrease) increase in short-term borrowed funds from the FHLB	(16,600)	(98,000)
Net increase in federal funds purchased	10,000	0
Proceeds from long-term FHLB borrowings	25,000	25,000
Net proceeds from issuance of preferred stock	24,108	0
Preferred stock dividends paid	(1,214)	0
Exercise and redemption of warrants	118	0
Proceeds from issuance of common stock	607	109
Net Cash Provided by Financing Activities	611,135	287,898
Net Decrease in Cash and Cash Equivalents	(1,955)	(37,200)
Cash and Cash Equivalents – Beginning	264,593	371,023
Cash and Cash Equivalents – Ending	262,638	333,823
Supplementary Cash Flows Information
Interest paid	13,018	10,550
Income taxes paid	15,789	2,762
Non-cash items:
Transfer of loans to other real estate owned	$ 320	$ 159

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Description of the Business

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of the Business

DESCRIPTION OF THE BUSINESS

Customers Bancorp, Inc. (the “Bancorp” or “Customers Bancorp”) is a bank holding company engaged in banking activities through its wholly owned subsidiary, Customers Bank (the “Bank”), collectively referred to as “Customers” herein.  The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“U.S. GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”).

Customers Bancorp, Inc. and its wholly owned subsidiaries, Customers Bank and non-bank subsidiaries, serve residents and businesses in Southeastern Pennsylvania (Bucks, Berks, Chester, Philadelphia and Delaware Counties); Rye, New York (Westchester County); Hamilton, New Jersey (Mercer County); Boston, Massachusetts; Providence, Rhode Island; Portsmouth, New Hampshire (Rockingham County); and Manhattan, New York.  The Bank has 14 full-service branches and provides commercial banking products, primarily loans and deposits. Customers Bank provides loan and other financial products to customers through its limited purpose offices in Boston, Massachusetts, Providence, Rhode Island, Portsmouth, New Hampshire, Manhattan and Melville, New York and Philadelphia, Pennsylvania. The Bank also provides liquidity to residential mortgage originators nationwide through commercial loans to mortgage companies. Customers Bank is subject to regulation of the Pennsylvania Department of Banking and Securities and the Federal Reserve Bank and is periodically examined by those regulatory authorities. Customers Bancorp has made certain equity investments through its wholly owned subsidiaries CB Green Ventures Pte Ltd. and CUBI India Ventures Pte Ltd.

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Acquisition Activity

3 Months Ended

Mar. 31, 2016

Business Combinations [Abstract]

Acquisition Activity

ACQUISITION ACTIVITY

Pending Acquisition of Higher One, Inc.'s One Account Student Checking and Refund Management Disbursement Services Business

On December 15, 2015, Customers announced that it had entered into an Asset Purchase Agreement (the "Agreement") to acquire assets related to the One Account Student Checking and Refund Management Disbursement Services business ("Disbursements") of Higher One, Inc. ("Higher One"). Pursuant to the Agreement, Customers will acquire all assets of the Disbursements business, including all property and equipment, existing contractual relationships with vendors and educational institutions, and all intellectual property, will assume certain normal business related liabilities, and will commit to hire approximately 225 current Higher One employees primarily located in New Haven, Connecticut that manage the Disbursement business and serve the customers. Customers intends to retain these team members in New Haven. Customers will pay Higher One an aggregate of $42 million in cash in connection with the acquisition of the Disbursements business. Under the Agreement, Customers will pay Higher One $17 million in cash at closing and make cash payments of $10 million each on the first and second anniversaries of the closing. Customers also will pay Higher One $5 million in cash for Higher One's services under a transition services agreement. The transaction was approved by Higher One stockholders in April 2016 with the transaction closing anticipated to occur, subject to the successful conclusion of all transition activities, in the second quarter of 2016 but no later than July 1, 2016.

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Significant Accounting Policies and Basis of Presentation

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Significant Accounting Policies and Basis of Presentation

SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATION

Basis of Presentation

The interim unaudited consolidated financial statements of Customers Bancorp, Inc. and subsidiaries have been prepared pursuant to the rules and regulations of the SEC. These interim unaudited consolidated financial statements reflect all normal and recurring adjustments that are, in the opinion of management, necessary to present a fair statement of the financial position and the results of operations and cash flows of Customers Bancorp and subsidiaries for the interim periods presented. Certain information and footnote disclosures normally included in the annual consolidated financial statements have been omitted from these interim unaudited consolidated financial statements as permitted by SEC rules and regulations. The December 31, 2015 consolidated balance sheet presented in this report has been derived from Customers Bancorp’s audited 2015 consolidated financial statements. Management believes that the disclosures are adequate to present fairly the consolidated financial statements as of the dates and for the periods presented. These interim unaudited consolidated financial statements should be read in conjunction with the 2015 consolidated financial statements of Customers Bancorp and subsidiaries included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015 filed with the SEC on February 26, 2016. That Form 10-K describes Customers Bancorp’s significant accounting policies, which include its policies on Principles of Consolidation; Cash and Cash Equivalents and Statements of Cash Flows; Restrictions on Cash and Amounts due from Banks; Investment Securities; Loan Accounting Framework; Allowance for Loan Losses; Goodwill; Investments in FHLB, Federal Reserve Bank, and other restricted stock; Other Real Estate Owned; FDIC Loss Sharing Receivable and Clawback Liability; Bank-Owned Life Insurance; Bank Premises and Equipment; Treasury Stock; Income Taxes; Share-Based Compensation; Derivative Instruments and Hedging; Comprehensive Income; Earnings per Share and Segment Information. Certain prior period amounts have been reclassified to conform to current period presentation. Results for interim periods are not necessarily indicative of those that may be expected for the fiscal year.

Recently Issued Accounting Standards

In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09—Compensation—Stock Compensation: Improvements to Employee Share-Based Payment Accounting. The Board issued this ASU as part of its initiative to reduce complexity in accounting standards. The areas for simplification in this ASU involve several aspects of the accounting for employee share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. Some of the areas for simplification apply only to nonpublic entities. For public business entities, the amendments are effective for annual periods beginning after December 15, 2016, and interim periods within those annual periods. In addition, the amendments in this ASU eliminate the guidance in Topic 718 that was indefinitely deferred shortly after the issuance of FASB Statement No. 123 (revised 2004), Share-Based Payment. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-07—Investments—Equity Method and Joint Ventures. To simplify the accounting for equity method investments, the amendments in the ASU eliminate the requirement in Topic 323 that an entity retroactively adopt the equity method of accounting if an investment qualifies for use of the equity method as a result of an increase in the level of ownership or degree of influence. The amendments require that the equity method investor add the cost of acquiring the additional interest in the investee to the current basis of the investor’s previously held interest and adopt the equity method of accounting as of the date the investment becomes qualified for equity method accounting. The ASU is effective for all entities for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-06—Derivatives and Hedging: Contingent Put and Call Options in Debt Instruments. Topic 815 requires that embedded derivatives be separated from the host contract and accounted for separately as derivatives if certain criteria are met, including the “clearly and closely related” criterion. The amendments in this ASU clarify the requirements for assessing whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. An entity performing the assessment under the amendments is required to assess the embedded call (put) options solely in accordance with the four-step decision sequence. Namely, this decision sequence requires that an entity consider whether:

1. the payoff is adjusted based on changes in an index;

2. the payoff is indexed to an underlying other than interest rates or credit risk;

3. the debt involves a substantial premium or discount; and

4. the call (put) option is contingently exercisable.

The amendments apply to all entities that are issuers of or investors in debt instruments (or hybrid financial instruments that are determined to have a debt host) with embedded call (put) options. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-05—Derivatives and Hedging: Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships. The term novation refers to replacing one counterparty to a derivative instrument with a new counterparty. That change occurs for a variety of reasons, including financial institution mergers, intercompany transactions, an entity exiting a particular derivatives business or relationship, an entity managing against internal credit limits, or in response to laws or regulatory requirements.

The amendments in this ASU clarify that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815, does not, in and of itself, require dedesignation of that hedging relationship provided that all other hedge accounting criteria continue to be met. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-04—Liabilities—Extinguishments of Liabilities: Recognition of Breakage for Certain Prepaid Stored-Value Products. When an entity sells a prepaid stored-value product (such as gift cards, telecommunication cards, and traveler’s checks), it recognizes a financial liability for its obligation to provide the product holder with the ability to purchase goods or services at a third-party merchant. When a prepaid stored-value product goes unused wholly or partially for an indefinite time period, the amount that remains on the product is referred to as breakage. There currently is diversity in the methodology used to recognize breakage. Subtopic 405-20 includes derecognition guidance for both financial liabilities and nonfinancial liabilities, and Topic 606, Revenue from Contracts with Customers, includes authoritative breakage guidance but excludes financial liabilities.

The amendments in this ASU provide a narrow scope exception to the guidance in Subtopic 405-20 to require that breakage be accounted for consistent with the breakage guidance in Topic 606. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, Leases. From the lessee's perspective, the new standard establishes a right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement for a lessees. From the lessor's perspective, the new standard requires a lessor to classify leases as either sales-type, finance or operating. A lease will be treated as a sale if it transfers all of the risks and rewards, as well as control of the underlying asset, to the lessee. If risks and rewards are conveyed without the transfer of control, the lease is treated as a financing. If the lessor doesn’t convey risks and rewards or control, an operating lease results.

The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. A modified retrospective transition approach is required for lessors for sales-type, direct financing, and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. Customers is currently evaluating the impact of the pending adoption of the new standard on its consolidated financial statements.

In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments - Overall. The guidance in this ASU among other things, (1) requires equity investments with certain exceptions, to be measured at fair value with changes in fair value recognized in net income, (2) simplifies the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment, (3) eliminates the requirement for public entities to disclose the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet, (4) requires public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes, (5) requires an entity to present separately in other comprehensive income the portion of the change in fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments, (6) requires separate presentation of financial assets and financial liabilities by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements and (7) clarifies that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities. The guidance in this ASU is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In November 2015, the FASB issued ASU 2015-17, Income Taxes. The amendments in this ASU, which will align the presentation of deferred income tax assets and liabilities with International Financial Reporting Standards (IFRS), require that deferred tax liabilities and assets be classified as non-current in a classified statement of financial position. The amendments in this ASU apply to all entities that present a classified statement of financial position. The current requirement that deferred tax liabilities and assets of a tax-paying component of an entity be offset and presented as a single amount is not affected by the amendments in this ASU.

For public business entities, the amendments in this ASU are effective for financial statements issued for annual periods beginning after December 15, 2016, and interim periods within those annual periods. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In September 2015, the FASB issued ASU 2015-16, Simplifying the Accounting for Measurement-Period Adjustments. To simplify the accounting for adjustments made to provisional amounts recognized in a business combination, the guidance in this ASU eliminates the requirement to retrospectively account for those adjustments and requires an entity to present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. The guidance in this ASU was effective for fiscal years beginning after December 15, 2015, including interim periods within those fiscal years and should be applied prospectively to adjustment to provisional amounts that occur after the effective date of this ASU. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In April 2015 and August 2015, the FASB issued ASU 2015-03, Simplifying the Presentation of Debt Issuance Costs and ASU2015-15, Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements- Amendments to SEC Paragraphs Pursuant to Staff Announcement at June 18, 2015 EITF Meeting, respectively. The guidance in these ASUs is intended to simplify presentation of debt issuance costs, and requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of the debt liability consistent with debt discounts and is applicable on a retrospective basis. The guidance in these ASUs was effective for interim and annual periods beginning after December 15, 2015. The adoption of these ASUs on January 1, 2016 resulted in a reclassification adjustment, which reduced "Other borrowings" by $1.8 million and "Subordinated debt" by $1.3 million with corresponding decrease in "Other assets" of $3.1 million as of December 31, 2015.

In February 2015, the FASB issued ASU 2015-02, Amendments to the Consolidation Analysis. The guidance in this ASU is intended to amend the update, which changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. The amendments in this ASU affect the following areas:

1. Limited partnerships and similar legal entities.

2. Evaluating fees paid to a decision maker or a service provider as a variable interest.

3. The effect of fee arrangements on the primary beneficiary determination.

4. The effect of related parties on the primary beneficiary determination.

5. Certain investment funds.

The guidance in this ASU was effective for annual and interim periods beginning after December 15, 2015. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In January 2015, the FASB issued ASU 2015-01, Income Statement - Extraordinary and Unusual Items - Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items. The guidance in this ASU was issued as part of the FASB's initiative to reduce complexity in accounting standards and eliminates from GAAP the concept of extraordinary items. The guidance in this ASU was effective in the first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging : Determining Whether the Host contract in a Hybrid Financial Instrument in the Form of a Share is More Akin to Debt or to Equity. The guidance in this ASU requires entities that issue or invest in a hybrid financial instrument to separate an embedded derivative feature from a host contract and account for the feature as a derivative. In the case of derivatives embedded in a hybrid financial instrument that is issued in the form of a share, that criterion requires evaluating whether the nature of the host contract is more akin to debt or to equity and whether the economic characteristics and risks of the embedded derivative feature are clearly and closely related to the host contract. If the host contract is akin to equity, then equity-like features (for example, a conversion option) are considered clearly and closely related to the host contract and, thus, would not be separated from the host contract. If the host contract is akin to debt, then equity-like features are not considered clearly and closely related to the host contract. In the latter case, an entity may be required to separate the equity-like embedded derivative feature from the debt host contract if certain other criteria in Subtopic 815-15 are met. Similarly, debt-like embedded derivative features may require separate accounting from an equity-like host contract. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In August 2014, the FASB issued ASU 2014-13, Consolidation: Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity. The guidance in this ASU applies to a reporting entity that is required to consolidate a collateralized financing entity under the Variable Interest Entities guidance when: (1) the reporting entity measures all of the financial assets and the financial liabilities of that consolidated collateralized financing entity at fair value in the consolidated financial statements based on other Codification Topics; and (2) the changes in the fair values of those financial assets and financial liabilities are reflected in earnings. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In June 2014, the FASB issued ASU 2014-12, Compensation-Stock Compensation. The guidance in this ASU requires that a performance target that affects vesting and that could be achieved after the requisite service period is treated as a performance condition. As such, the performance target should not be reflected in estimating the grant-date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite has already been rendered. If the performance target becomes probable of being achieved before the end of the requisite period, the remaining unrecognized cost should be recognized prospectively over the remaining requisite service period. The total amount of compensation cost recognized during and after the requisite service period should reflect the number of awards that are expected to vest and should be adjusted to reflect those awards that ultimately vest. The requisite service period ends when the employee can cease rendering service and still be eligible to vest in the award if the performance target is achieved. As indicated in the definition of vest, the stated vesting period (which includes the period in which the performance target could be achieved) may differ from the requisite service period. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers.  This ASU establishes a comprehensive revenue recognition standard for virtually all industries following U.S. GAAP, including those that previously followed industry-specific guidance such as the real estate and construction industries. The revenue standard’s core principal is built on the contract between a vendor and a customer for the provision of goods and services. It attempts to depict the exchange of rights and obligations between the parties in the pattern of revenue recognition based on the consideration to which the vendor is entitled. To accomplish this, the standard requires five basic steps: (i) identify the contract with the customer, (ii) identify the performance obligations in the contract, (iii) identify the transaction price, (iv) allocate the transaction price to the performance obligations in the contract, and (v) recognize revenue when (or as) the entity satisfies the performance obligation. Three basic transition methods are available - full retrospective, retrospective with certain practical expedients, and a cumulative effect approach. Under the cumulative effect alternative, an entity would apply the new revenue standard only to contracts that are incomplete under legacy U.S. GAAP at the date of initial application and recognize the cumulative effect of the new standard as an adjustment to the opening balance of retained earnings.

In August 2015, the FASB issued ASU 2015-14, Revenue fromContracts with Customers: Deferral of the Effective Date. The guidance in this ASU is now effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Customers does not expect this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-08—Revenue from Contracts with Customers: Principal versus Agent Considerations (Reporting Revenue Gross versus Net). While the ASU does not change the core provisions of Topic 606, it clarifies the implementation guidance on principal versus agent considerations. Namely, the ASU clarifies and offers guidance to help determine when the reporting entity is providing goods or services to a customer itself (i.e. the entity is a principal), or merely arranging for that good or service to be provided by the other party (i.e. the reporting entity is an agent). If the entity is a principal, it recognizes revenue in the gross amount of consideration to which it expects to be entitled in exchange for the specified good or service transferred to the customer. When the reporting entity is an agent, it recognizes revenue in the amount of any fee or commission to which it expects to be entitled in exchange for arranging for the specified good or service to be provided by the other party.

An entity is a principal if it controls the specified good or service before that good or service is transferred to a customer. The guidance includes indicators to assist in determining whether the Control criteria are met. If a contract with a customer includes more than one specified good or service, an entity could be a principal for some specified goods or services and an agent for others. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In March 2016, the FASB issued ASU No. 2016-10—Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing. This ASU clarifies guidance related to identifying performance obligations and licensing implementation guidance contained in the new revenue recognition standard. The ASU includes targeted improvements based on input the Board received from the Transition Resource Group for Revenue Recognition and other stakeholders. The ASU seeks to proactively address areas in which diversity in practice potentially could arise, as well as to reduce the cost and complexity of applying certain aspects of the guidance both at implementation and on an ongoing basis. The amendments in this Update affect the guidance in Accounting Standards Update 2014-09, Revenue from Contracts with Customers, which will be effective for fiscal years beginning after December 31, 2016 for public entities. The effective date and transition requirements for the amendments in this Update are the same as those in Update 2014-09. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

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Changes in Accumulated Other Comprehensive Income (Loss) By Component

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Changes in Accumulated Other Comprehensive Income (Loss) By Component

CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT (1)

The following tables present the changes in accumulated other comprehensive income (loss) by component for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016
	Available-for-sale-securities
(amounts in thousands)	Unrealized Gains (Losses)			Foreign Currency Items			Total Unrealized Gains (Losses)			Unrealized Loss on Cash Flow Hedge			Total
Balance - December 31, 2015	$	(4,602	)	$	(584	)	$	(5,186	)	$	(2,798	)	$	(7,984	)
Other comprehensive income (loss) before reclassifications	4,255			37			4,292			(1,625		)	2,667
Amounts reclassified from accumulated other comprehensive loss to net income (2)	(16		)	—			(16		)	—			(16		)
Net current-period other comprehensive income (loss)	4,239			37			4,276			(1,625		)	2,651
Balance - March 31, 2016	$	(363	)	$	(547	)	$	(910	)	$	(4,423	)	$	(5,333	)

	Three Months Ended March 31, 2015
	Available-for-sale-securities
(amounts in thousands)	Unrealized Gains (Losses) (2)		Foreign Currency Items			Total Unrealized Gains (Losses)		Unrealized Loss on Cash Flow Hedge			Total
Balance - December 31, 2014	$	1,156	$	(14	)	$	1,142	$	(1,264	)	$	(122	)
Other comprehensive income (loss) before reclassifications	121		122			243		(1,168		)	(925		)
Amounts reclassified from accumulated other comprehensive loss to net income (2)	—		—			—		—			—
Net current-period other comprehensive income (loss)	121		122			243		(1,168		)	(925		)
Balance - March 31, 2015	$	1,277	$	108		$	1,385	$	(2,432	)	$	(1,047	)

(1) All amounts are presented net of tax. Amounts in parentheses indicate reductions to accumulated other comprehensive income.

(2) Reclassification amounts are reported as "Gain on sale of investment securities" on the Consolidated Statements of Income.

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Earnings Per Share

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

The following are the components and results of Customers' earnings per common share calculation for the periods presented.

	Three Months Ended March 31,
	2016		2015
(amounts in thousands, except share and per share data)
Net income available to common shareholders	$	16,413	$	13,952
Weighted-average number of common shares outstanding - basic	26,945,062		26,777,389
Share-based compensation plans	1,530,409		1,276,340
Warrants	307,630		284,074
Weighted-average number of common shares - diluted	28,783,101		28,337,803
Basic earnings per common share	$	0.61	$	0.52
Diluted earnings per common share	$	0.57	$	0.49

The following is a summary of securities that could potentially dilute basic earnings per common share in future periods that were not included in the computation of diluted earnings per common share because to do so would have been anti-dilutive for the periods presented.

	Three Months Ended March 31,
	2016	2015
Anti-dilutive securities:
Share-based compensation awards	606,995	18,683
Warrants	52,242	52,242
Total anti-dilutive securities	659,237	70,925

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Investment Securities

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Investment Securities

INVESTMENT SECURITIES

The amortized cost and approximate fair value of investment securities as of March 31, 2016 and December 31, 2015 are summarized in the tables below:

	March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	285,259	$	2,359	$	(1,329	)	$	286,289
Agency-guaranteed commercial real estate mortgage-backed securities	204,921		2,485		(9		)	207,397
Corporate notes (1)	44,927		303		(209		)	45,021
Equity securities (2)	22,514		—		(5,056		)	17,458
	$	557,621	$	5,147	$	(6,603	)	$	556,165

(1) Includes subordinated debt issued by other bank holding companies.

(2) Consists primarily of equity securities issued by a foreign entity.

	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	299,392	$	1,453	$	(2,741	)	$	298,104
Agency-guaranteed commercial real estate mortgage-backed securities	206,719		—		(3,849		)	202,870
Corporate notes (1)	39,925		320		(178		)	40,067
Equity securities (2)	22,514		—		(3,302		)	19,212
	$	568,550	$	1,773	$	(10,070	)	$	560,253

(1) Includes subordinated debt issued by other bank holding companies.

(2) Consists primarily of equity securities issued by a foreign entity.

The following table presents proceeds from the sale of available-for-sale investment securities and gross gains and gross losses realized on those sales for the three months ended March 31, 2016 and 2015:

	Three Months Ended March 31,
	2016		2015
(amounts in thousands)
Proceeds from sale of available-for-sale securities	$	2,848	$	—
Gross gains	$	26	—
Gross losses	—		—
Net gains	$	26	$	—

These gains were determined using the specific identification method and were reported as gains on sale of investment securities included in non-interest income.

The following table presents available-for-sale debt securities by stated maturity. Debt securities backed by mortgages have expected maturities that differ from contractual maturities because borrowers have the right to call or prepay and, therefore, these debt securities are classified separately with no specific maturity date:

	March 31, 2016
	Amortized Cost		Fair Value
(amounts in thousands)
Due in one year or less	$	—	$	—
Due after one year through five years	—		—
Due after five years through ten years	37,927		37,911
Due after ten years	7,000		7,110
Agency-guaranteed residential mortgage-backed securities	285,259		286,289
Agency-guaranteed commercial real estate mortgage-backed securities	204,921		207,397
Total debt securities	$	535,107	$	538,707

Gross unrealized losses and fair value of Customers' investments aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at March 31, 2016 and December 31, 2015 were as follows:

	March 31, 2016
	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	13,858	$	(23	)	$	56,604	$	(1,306	)	$	70,462	$	(1,329	)
Agency-guaranteed commercial real estate mortgage-backed securities	20,954		(9		)	—		—			20,954		(9		)
Corporate notes (1)	18,718		(209		)	—		—			18,718		(209		)
Equity securities (2)	17,452		(5,055		)	6		(1		)	17,458		(5,056		)
Total	$	70,982	$	(5,296	)	$	56,610	$	(1,307	)	$	127,592	$	(6,603	)

	December 31, 2015
	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	102,832	$	(535	)	$	57,357	$	(2,206	)	160,189		$	(2,741	)
Agency-guaranteed commercial real estate mortgage-backed securities	202,870		(3,849		)	—		—			202,870		(3,849		)
Corporate notes (1)	9,748		(178		)	—		—			9,748		(178		)
Equity securities (2)	19,206		(3,301		)	6		(1		)	19,212		(3,302		)
Total	$	334,656	$	(7,863	)	$	57,363	$	(2,207	)	$	392,019	$	(10,070	)

(1) Includes subordinated debt issued by other bank holding companies.    

(2)     Consists primarily of equity securities in a foreign entity.

At March 31, 2016, there were eight available-for-sale investment securities in the less-than-twelve-month category and thirteen available-for-sale investment securities in the twelve-month-or-more category. The unrealized losses on the mortgage-backed securities are guaranteed by government-sponsored entities and primarily relate to changes in market interest rates. All amounts are expected to be recovered when market prices recover or at maturity. The unrealized losses on the equity securities reflect decreases in market price and adverse changes in foreign currency exchange rates. Customers evaluated the financial condition and capital strength of the issuer of these securities and concluded that the decline in fair value was temporary and estimated the value could reasonably recover by way of increases in market price or positive changes in foreign currency exchange rates. Customers intends to hold these securities for the foreseeable future and does not intend to sell the securities before the price recovers. Customers considers it more likely than not that it will not be required to sell the securities. Accordingly, Customers concluded that the securities are not other-than-temporarily impaired as of March 31, 2016.

At March 31, 2016 and December 31, 2015, Customers Bank had pledged investment securities aggregating $286.3 million and $299.8 million fair value, respectively, as collateral against its borrowings primarily with the FHLB and an unused line of credit with another financial institution. These counterparties do not have the ability to sell or repledge these securities.

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Loans Held for Sale

3 Months Ended

Mar. 31, 2016

Receivables Held-for-sale [Abstract]

Loans Held for Sale

LOANS HELD FOR SALE

The composition of loans held for sale as of March 31, 2016 and December 31, 2015 was as follows:

	March 31, 2016		December 31, 2015
(amounts in thousands)
Commercial loans:
Mortgage warehouse loans at fair value	$	1,940,558	$	1,754,950
Multi-family loans at lower of cost or fair value	27,678		39,257
Commercial loans held for sale	1,968,236		1,794,207
Consumer loans:
Residential mortgage loans at fair value	1,044		2,857
Loans held for sale	$	1,969,280	$	1,797,064

Effective September 30, 2015, Customers Bank transferred $30.4 million of multi-family loans from held for sale to loans receivable (held for investment) because the Bank no longer has the intent to sell these loans. Customers Bank transferred these loans at their carrying value, which was lower than the estimated fair value at the time of transfer.

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Loans Receivable and Allowance for Loan Losses

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Loans Receivable and Allowance for Loan Losses

LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES

The following table presents loans receivable as of March 31, 2016 and December 31, 2015:

	March 31, 2016			December 31, 2015
(amounts in thousands)
Commercial:
Multi-family	$	3,210,177		$	2,909,439
Commercial and industrial (including owner occupied commercial real estate)	1,160,389			1,111,400
Commercial real estate non-owner occupied	1,052,162			956,255
Construction	103,061			87,240
Total commercial loans	5,525,789			5,064,334
Consumer:
Residential real estate	267,031			271,613
Manufactured housing	110,830			113,490
Other	3,474			3,708
Total consumer loans	381,335			388,811
Total loans receivable	5,907,124			5,453,145
Deferred costs and unamortized premiums, net	191			334
Allowance for loan losses	(37,605		)	(35,647		)
Loans receivable, net of allowance for loan losses	$	5,869,710		$	5,417,832

The following tables summarize loans receivable by loan type and performance status as of March 31, 2016 and December 31, 2015:

	March 31, 2016
	30-89 Days Past Due (1)		90 Days Or More Past Due(1)		Total Past Due (1)		Non- Accrual		Current (2)		Purchased- Credit- Impaired Loans (3)		Total Loans (4)
(amounts in thousands)
Multi-family	$	—	$	—	$	—	$	—	$	3,206,569	$	3,608	$	3,210,177
Commercial and industrial	4		—		4		6,035		841,166		1,470		848,675
Commercial real estate - owner occupied	—		—		—		2,689		296,285		12,740		311,714
Commercial real estate - non-owner occupied	—		—		—		2,610		1,037,684		11,868		1,052,162
Construction	—		—		—		—		102,827		234		103,061
Residential real estate	3,487		—		3,487		2,325		253,006		8,213		267,031
Manufactured housing (5)	3,296		2,292		5,588		2,356		99,572		3,314		110,830
Other consumer	20		—		20		99		3,127		228		3,474
Total	$	6,807	$	2,292	$	9,099	$	16,114	$	5,840,236	$	41,675	$	5,907,124
	December 31, 2015
	30-89 Days Past Due (1)		90 Days Or More Past Due(1)		Total Past Due (1)		Non- Accrual		Current (2)		Purchased- Credit- Impaired Loans (3)		Total Loans (4)
(amounts in thousands)
Multi-family	$	—	$	—	$	—	$	—	$	2,905,789	$	3,650	$	2,909,439
Commercial and industrial	39		—		39		1,973		799,595		1,552		803,159
Commercial real estate - owner occupied	268		—		268		2,700		292,312		12,961		308,241
Commercial real estate - non-owner occupied	1,997		—		1,997		1,307		940,895		12,056		956,255
Construction	—		—		—		—		87,006		234		87,240
Residential real estate	2,986		—		2,986		2,202		257,984		8,441		271,613
Manufactured housing (5)	3,752		2,805		6,557		2,449		101,132		3,352		113,490
Other consumer	107		—		107		140		3,227		234		3,708
Total	$	9,149	$	2,805	$	11,954	$	10,771	$	5,387,940	$	42,480	$	5,453,145

(1) Includes past due loans that are accruing interest because collection is considered probable.

(2) Loans where next payment due is less than 30 days from the report date.

(3) Purchased-credit-impaired loans aggregated into a pool are accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows, and the past due status of the pools, or that of the individual loans within the pools, is not meaningful. Because of the credit impaired nature of the loans, the loans are recorded at a discount reflecting estimated future cash flows and the Bank recognizes interest income on each pool of loans reflecting the estimated yield and passage of time. Such loans are considered to be performing. Purchased-credit-impaired loans that are not in pools accrete interest when the timing and amount of their expected cash flows are reasonably estimable, and are reported as performing loans.

(4) Amounts exclude deferred costs and fees, unamortized premiums and discounts, and the allowance for loan losses.

(5) Manufactured housing loans purchased in 2010 are subject to cash reserves held at the Bank that are used to fund past-due payments when the loan becomes 90 days or more delinquent. Subsequent purchases are subject to varying provisions in the event of borrowers’ delinquencies.

As of March 31, 2016 and December 31, 2015, the Bank had $1.2 million and $1.2 million, respectively, of residential real estate held in other real estate owned. As of March 31, 2016 and December 31, 2015, the Bank had initiated foreclosure proceedings on $0.9 million and $0.6 million, respectively, on loans secured by residential real estate.

Allowance for loan losses

During second quarter 2015, the Bank refined its methodology for estimating the general allowance for loan losses. Previously, the general allowance for the portion of the loan portfolio originated after December 31, 2009 ("Post 2009 loan portfolio") was based generally on qualitative factors due to insufficient historical loss data on the portfolio. During second quarter 2015, the Bank began using objectively verifiable industry and peer loss data to estimate probable incurred losses as of the balance sheet date for the Post 2009 loan portfolio until sufficient internal loss history is available. The same methodology was also adopted for the portion of the loan portfolio originated on or before December 31, 2009 ("Legacy loan portfolio") that had no loss history over the past two years.

The changes in the allowance for loan losses for the three months ended March 31, 2016 and 2015 and the loans and allowance for loan losses by loan class based on impairment evaluation method as of March 31, 2016 and December 31, 2015 are as follows. The amounts presented for the provision for loan losses below do not include the effect of changes to estimated benefits resulting from the FDIC loss share arrangements for the covered loans.

Three Months Ended March 31, 2016	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction			Residential Real Estate		Manufactured Housing			Other Consumer			Total
(amounts in thousands)
Ending Balance, December 31, 2015	$	12,016	$	8,864	$	1,348	$	8,420	$	1,074		$	3,298	$	494		$	133		$	35,647
Charge-offs	—		—		—		—		—			—		—			(42		)	(42		)
Recoveries	—		56		—		8		433			—		—			—			497
Provision for loan losses	119		1,039		62		120		(243		)	378		(26		)	54			1,503
Ending Balance, March 31, 2016	$	12,135	$	9,959	$	1,410	$	8,548	$	1,264		$	3,676	$	468		$	145		$	37,605
As of March 31, 2016
Loans:
Individually evaluated for impairment	$	393	$	27,286	$	9,936	$	4,624	$	—		$	4,843	$	8,898		$	98		$	56,078
Collectively evaluated for impairment	3,206,176		819,919		289,038		1,035,670		102,827			253,975		98,618			3,148			5,809,371
Loans acquired with credit deterioration	3,608		1,470		12,740		11,868		234			8,213		3,314			228			41,675
	$	3,210,177	$	848,675	$	311,714	$	1,052,162	$	103,061		$	267,031	$	110,830		$	3,474		$	5,907,124
Allowance for loan losses:
Individually evaluated for impairment	$	209	$	2,834	$	1	$	135	$	—		$	445	$	—		$	46		$	3,670
Collectively evaluated for impairment	11,926		6,906		1,409		4,229		1,264			2,193		97			43			28,067
Loans acquired with credit deterioration	—		219		—		4,184		—			1,038		371			56			5,868
	$	12,135	$	9,959	$	1,410	$	8,548	$	1,264		$	3,676	$	468		$	145		$	37,605

Three Months Ended March 31, 2015	Multi-family			Commercial and Industrial			Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied			Construction			Residential Real Estate		Manufactured Housing		Other Consumer			Total
(amounts in thousands)
Ending Balance, December 31, 2014	$	8,493		$	4,784		$	4,336	$	9,198		$	1,047		$	2,698	$	262	$	114		$	30,932
Charge-offs	—			(21		)	—		(318		)	(769		)	—		—		(36		)	(1,144		)
Recoveries	—			22			14		9			15			—		—		83			143
Provision for loan losses	(297		)	1,962			233		849			559			297		84		(52		)	3,635
Ending Balance, March 31, 2015	$	8,196		$	6,747		$	4,583	$	9,738		$	852		$	2,995	$	346	$	109		$	33,566
As of December 31, 2015
Loans:
Individually evaluated for impairment	$	661		$	17,621		$	8,329	$	4,831		$	—		$	4,726	$	8,300	$	140		$	44,608
Collectively evaluated for impairment	2,905,128			783,986			286,951		939,368			87,006			258,446		101,838		3,334			5,366,057
Loans acquired with credit deterioration	3,650			1,552			12,961		12,056			234			8,441		3,352		234			42,480
	$	2,909,439		$	803,159		$	308,241	$	956,255		$	87,240		$	271,613	$	113,490	$	3,708		$	5,453,145
Allowance for loan losses:
Individually evaluated for impairment	$	—		$	1,990		$	1	$	148		$	—		$	84	$	—	$	50		$	2,273
Collectively evaluated for impairment	12,016			6,650			1,347		3,858			1,074			2,141		98		28			27,212
Loans acquired with credit deterioration	—			224			—		4,414			—			1,073		396		55			6,162
	$	12,016		$	8,864		$	1,348	$	8,420		$	1,074		$	3,298	$	494	$	133		$	35,647

Certain manufactured housing loans were purchased in August 2010. A portion of the purchase price may be used to reimburse the Bank under the specified terms in the purchase agreement for defaults of the underlying borrower and other specified items. At March 31, 2016 and December 31, 2015, funds available for reimbursement, if necessary, were $1.4 million and $1.2 million, respectively. Each quarter, these funds are evaluated to determine if they would be sufficient to absorb the probable incurred losses within the manufactured housing portfolio.

Loans Individually Evaluated for Impairment

The following tables present the recorded investment (net of charge-offs), unpaid principal balance, and related allowance by loan type for loans that are individually evaluated for impairment as of March 31, 2016 and December 31, 2015 and the average recorded investment and interest income recognized for the three months ended March 31, 2016 and 2015. Purchased-credit-impaired loans are considered to be performing and are not included in the tables below.

	March 31, 2016						Three Months Ended March 31, 2016
	Recorded Investment Net of Charge offs		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
(amounts in thousands)
With no related allowance recorded:
Multi-family	$	—	$	—	$	—	$	331	$	—
Commercial and industrial	18,950		19,921		—		15,503		187
Commercial real estate owner occupied	9,924		9,924		—		9,121		94
Commercial real estate non-owner occupied	4,083		4,083		—		4,180		23
Construction	—		—		—		—		—
Other consumer	45		45		—		47		—
Residential real estate	4,154		4,154		—		4,243		24
Manufactured housing	8,898		8,898		—		8,599		109
With an allowance recorded:
Multi-family	393		393		209		197		5
Commercial and industrial	8,336		8,685		2,834		6,951		71
Commercial real estate owner occupied	12		12		1		12		—
Commercial real estate non-owner occupied	541		541		135		548		2
Construction	—		—		—		—		—
Other consumer	53		53		46		73		—
Residential real estate	689		689		445		542		—
Total	$	56,078	$	57,398	$	3,670	$	50,347	$	515

	December 31, 2015						Three Months Ended March 31, 2015
	Recorded Investment Net of Charge offs		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
(amounts in thousands)
With no related allowance recorded:
Multi-family	$	661	$	661	$	—	$	—	$	—
Commercial and industrial	12,056		13,028		—		10,374		164
Commercial real estate owner occupied	8,317		8,317		—		8,668		110
Commercial real estate non-owner occupied	4,276		4,276		—		6,587		83
Construction	—		—		—		2,325		—
Other consumer	48		48		—		21		—
Residential real estate	4,331		4,331		—		3,781		21
Manufactured housing	8,300		8,300		—		2,653		23
With an allowance recorded:
Commercial and industrial	5,565		5,914		1,990		4,156		5
Commercial real estate - owner occupied	12		12		1		800		—
Commercial real estate non-owner occupied	555		555		148		610		—
Construction	—		—		—		—		—
Other consumer	92		92		50		84		1
Residential real estate	395		395		84		364		—
Total	$	44,608	$	45,929	$	2,273	$	40,423	$	407

Troubled Debt Restructurings

At March 31, 2016 and December 31, 2015, there were $14.0 million and $11.4 million, respectively, in loans reported as troubled debt restructurings (“TDRs”). TDRs are reported as impaired loans in the calendar year of their restructuring and are evaluated to determine whether they should be placed on non-accrual status. In subsequent years, a TDR may be returned to accrual status if it satisfies a minimum six-month performance requirement; however, it will remain classified as impaired. Generally, the Bank requires sustained performance for nine months before returning a TDR to accrual status.

Modification of purchased-credit-impaired loans that are accounted for within loan pools in accordance with the accounting standards for purchased-credit-impaired loans do not result in the removal of these loans from the pool even if modifications would otherwise be considered a TDR. Accordingly, as each pool is accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows, modifications of loans within such pools are not considered TDRs.

The following is an analysis of loans modified in a troubled debt restructuring by type of concession for the three months ended March 31, 2016 and 2015. There were no modifications that involved forgiveness of debt.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
(dollars in thousands)
Extensions of maturity	3	$	1,995	—	$	—
Interest-rate reductions	23	864		3	405
Total	26	$	2,859	3	$	405

The following table provides, by loan type, the number of loans modified in troubled debt restructurings and the related recorded investment during the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
(dollars in thousands)
Commercial and industrial	1	$	76	—	$	—
Commercial real estate non-owner occupied	1	1,844		—	—
Manufactured housing	23	864		2	207
Residential real estate	1	75		1	198
Total loans	26	$	2,859	3	$	405

At March 31, 2016 and December 31, 2015, there were no commitments to lend additional funds to debtors whose terms have been modified in TDRs.

As of March 31, 2016, thirty-six manufactured housing loans totaling $1.9 million, two commercial and industrial loans totaling $0.5 million, and one commercial real estate non-owner occupied loan totaling $0.2 million modified as TDRs within the past twelve months, defaulted on payments. As of March 31, 2015, six manufactured housing loans totaling $0.5 million were modified as TDRs within the last twelve months, defaulted on payments.

Loans modified in troubled debt restructurings are evaluated for impairment. The nature and extent of impairment of TDRs, including those which have experienced a subsequent default, is considered in the determination of an appropriate level of allowance for loan losses. There were three specific allowances as a result of TDR modifications during the three months ended March 31, 2016, totaling $0.2 million for two commercial and industrial loans, and $0.1 million for one commercial real estate non-owner-occupied loan. There were zero specific allowances resulting from TDR modifications during the three months ended March 31, 2015.

Purchased Credit Impaired Loans

The changes in accretable yield related to purchased-credit-impaired loans for the three months ended March 31, 2016 and 2015 were as follows:

	Three Months Ended March 31,
	2016			2015
(amounts in thousands)
Accretable yield balance, ending balance prior year	$	12,947		$	17,606
Accretion to interest income	(470		)	(660		)
Reclassification from nonaccretable difference and disposals, net	145			(1,522		)
Accretable yield balance, end of period	$	12,622		$	15,424

Allowance for Loan Losses and the FDIC Loss Sharing Receivable and Clawback Liability

Losses incurred on covered loans are eligible for partial reimbursement by the FDIC. Subsequent to the purchase date, the expected cash flows on the covered loans are subject to evaluation. Decreases in the present value of expected cash flows on the covered loans are recognized by increasing the allowance for loan losses with a related charge to the provision for loan losses. At the same time, the FDIC indemnification asset is increased reflecting an estimated future collection from the FDIC, which is recorded as a reduction to the provision for loan losses. If the expected cash flows on the covered loans increase such that a previously recorded impairment can be reversed, the Bank records a reduction in the allowance for loan losses (with a related credit to the provision for loan losses) accompanied by a reduction in the FDIC receivable balance (with a related charge to the provision for loan losses). Increases in expected cash flows on covered loans and decreases in expected cash flows from the FDIC loss sharing receivable, when there are no previously recorded impairments, are considered together and recognized over the remaining life of the loans as interest income. Decreases in the valuations of other real estate owned covered by the loss sharing agreements are recorded net of the estimated FDIC receivable as an increase to other real estate owned expense (a component of non-interest expense).

The FDIC loss sharing receivable balance will be reduced through a charge to the provision for loan losses, with no offsetting reduction to the allowance for loan losses, as the period to submit losses under the FDIC loss sharing arrangements approaches expiration and the estimated losses in the covered loans have not yet emerged or been realized in a final disposition event. The period to submit losses under the FDIC loss sharing arrangements for non-single family loans expired in third quarter 2015. The period to submit losses under the FDIC loss sharing arrangements for single family loans expires in third quarter 2017. The final maturity of the FDIC loss sharing arrangements occurs in third quarter 2020. As of March 31, 2016 and December 31, 2015, loans covered under loss sharing arrangements with the FDIC were $13.2 million and $13.8 million, respectively.

As part of the FDIC loss sharing arrangements, Customers also assumed a liability to be paid within 45 days days subsequent to the maturity or termination of the loss sharing arrangements that is contingent upon actual losses incurred over the life of the arrangements relative to expected losses and the consideration paid upon acquisition of the failed institutions ("the Clawback Liability”). Due to cash received on the covered assets in excess of the original expectations of the FDIC, the Bank anticipates that it will be required to pay the FDIC at the end of its loss sharing arrangements. As of March 31, 2016, a clawback liability of $2.4 million has been recorded. To the extent actual losses on the covered assets are less than estimated losses, the clawback liability will increase. To the extent actual losses on the covered assets are more than the estimated losses, the clawback liability will decrease.

As of March 31, 2016, the Bank expected to pay $0.1 million to the FDIC resulting from a recovery of previously reimbursed loss amounts, net of estimated losses and reimbursement of external costs, such as legal fees, real estate taxes and appraisal expenses, and estimated the clawback liability due to the FDIC in 2020 at $2.4 million. The net amount of $2.5 million is presented as the "Accrued interest payable and other liabilities" in the accompanying consolidated balance sheet.

The following table presents changes in the allowance for loan losses and the FDIC loss sharing receivable, including the effect of the estimated clawback liability for the three months ended March 31, 2016 and 2015.

	Allowance for Loan Losses
	Three Months Ended March 31,
(amounts in thousands)	2016			2015
Ending balance, prior year	$	35,647		$	30,932
Provision for loan losses (1)	1,503			3,635
Charge-offs	(42		)	(1,144		)
Recoveries	497			143
Ending balance	$	37,605		$	33,566

	FDIC Loss Sharing Receivable/ Clawback Liability
	Three Months Ended March 31,
(amounts in thousands)	2016			2015
Ending balance, prior year	$	(2,083	)	$	2,320
Increased (decreased) estimated cash flows (2)	(477		)	671
Other activity, net (a)	(304		)	134
Cash payments to the FDIC	320			302
Ending balance	$	(2,544	)	$	3,427
(1) Provision for loan losses	$	1,503		$	3,635
(2) Effect attributable to FDIC loss share arrangements	477			(671		)
Net amount reported as provision for loan losses	$	1,980		$	2,964

(a) Includes external costs, such as legal fees, real estate taxes, and appraisal expenses, which qualify for reimbursement under loss sharing arrangements.

Credit Quality Indicators

Multi-family, commercial and industrial, owner occupied commercial real estate, non-owner occupied commercial real estate, construction, and residential real estate loans are rated based on an internally assigned risk rating system which is assigned at the time of loan origination and reviewed on a periodic, or on an “as needed,” basis. Manufactured housing and other consumer loans are evaluated based on the payment activity of the loan and individual loans are not assigned an internal risk rating unless delinquent.

To facilitate the monitoring of credit quality within the multi-family, commercial and industrial, owner occupied commercial real estate, non-owner occupied commercial real estate, construction and residential real estate classes, and for purposes of analyzing historical loss rates used in the determination of the allowance for loan losses for the respective portfolio class, the Bank utilizes the following categories of risk ratings: pass/satisfactory (includes risk rating 1 through 6), special mention, substandard, doubtful, and loss. The risk rating categories, which are derived from standard regulatory rating definitions, are assigned upon initial approval of credit to borrowers and updated periodically thereafter. Pass/satisfactory ratings, which are assigned to those borrowers who do not have identified potential or well-defined weaknesses and for whom there is a high likelihood of orderly repayment, are updated periodically based on the size and credit characteristics of the borrower. All other categories are updated on a quarterly basis during the month preceding the end of the calendar quarter. While assigning risk ratings involves judgment, the risk-rating process allows management to identify riskier credits in a timely manner and allocate the appropriate resources to manage those loans.

The risk rating grades are defined as follows:

“1” – Pass/Excellent

Loans rated 1 represent a credit extension of the highest quality. The borrower’s historic (at least five years) cash flows manifest extremely large and stable margins of coverage. Balance sheets are conservative, well capitalized, and liquid. After considering debt service for proposed and existing debt, projected cash flows continue to be strong and provide ample coverage. The borrower typically reflects broad geographic and product diversification and has access to alternative financial markets.

“2” – Pass/Superior

Loans rated 2 are those for which the borrower has a strong financial condition, balance sheet, operations, cash flow, debt capacity and coverage with ratios better than industry norms. The borrowers of these loans exhibit a limited leverage position, are virtually immune to local economies, and are in stable growing industries. The management team is well respected and the company has ready access to public markets.

“3” – Pass/Strong

Loans rated 3 are those loans for which the borrowers have above average financial condition and flexibility; more than satisfactory debt service coverage; balance sheet and operating ratios are consistent with or better than industry peers; have little industry risk; move in diversified markets; and are experienced and competent in their industry. These borrowers’ access to capital markets is limited mostly to private sources, often secured, but the borrower typically has access to a wide range of refinancing alternatives.

“4” – Pass/Good

Loans rated 4 have a sound primary and secondary source of repayment. The borrower may have access to alternative sources of financing, but sources are not as widely available as they are to a higher grade borrower. These loans carry a normal level of risk, with very low loss exposure. The borrower has the ability to perform according to the terms of the credit facility. The margins of cash flow coverage are satisfactory but vulnerable to more rapid deterioration than the higher quality loans.

“5” – Satisfactory

Loans rated 5 are extended to borrowers who are determined to be a reasonable credit risk and demonstrate the ability to repay the debt from normal business operations. Risk factors may include reliability of margins and cash flows, liquidity, dependence on a single product or industry, cyclical trends, depth of management, or limited access to alternative financing sources. The borrower’s historical financial information may indicate erratic performance, but current trends are positive and the quality of financial information is adequate, but is not as detailed and sophisticated as information found on higher grade loans. If adverse circumstances arise, the impact on the borrower may be significant.

“6” – Satisfactory/Bankable with Care

Loans rated 6 are those for which the borrower has higher than normal credit risk; however, cash flow and asset values are generally intact. These borrowers may exhibit declining financial characteristics, with increasing leverage and decreasing liquidity and may have limited resources and access to financial alternatives. Signs of weakness in these borrowers may include delinquent taxes, trade slowness and eroding profit margins.

“7” – Special Mention

Loans rated Special Mention are credit facilities that may have potential developing weaknesses and deserve extra attention from the account manager and other management personnel. In the event that potential weaknesses are not corrected or mitigated, deterioration in the ability of the borrower to repay the debt in the future may occur. This grade is not assigned to loans that bear certain peculiar risks normally associated with the type of financing involved, unless circumstances have caused the risk to increase to a level higher than would have been acceptable when the credit was originally approved. Loans where significant actual, not potential, weaknesses or problems are clearly evident are graded in the category below.

“8” – Substandard

Loans are classified Substandard when the loans are inadequately protected by the current sound worth and payment capacity of the obligor or of the collateral pledged, if any. Loans so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt and are characterized by the distinct possibility that the company will sustain some loss if the weaknesses are not corrected.

“9” – Doubtful

The Bank assigns a doubtful rating to loans that have all the attributes of a substandard rating with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. The possibility of loss is extremely high, but because of certain important and reasonable specific pending factors that may work to the advantage of and strengthen the credit quality of the loan, its classification as an estimated loss is deferred until its more exact status may be determined. Pending factors may include a proposed merger or acquisition, liquidation proceeding, capital injection, perfecting liens on additional collateral or refinancing plans.

“10” – Loss

The Bank assigns a loss rating to loans considered uncollectible and of such little value that their continuance as an active asset is not warranted. Amounts classified as loss are immediately charged off.

Risk ratings are not established for certain consumer loans, including home equity, manufactured housing, and installment loans, mainly because these portfolios consist of a larger number of homogeneous loans with smaller balances. Instead, these portfolios are evaluated for risk mainly based upon aggregate payment history through the monitoring of delinquency levels and trends and are classified as performing and non-performing.

The following tables present the credit ratings of the loans receivable portfolio as of March 31, 2016 and December 31, 2015.

	March 31, 2016
	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction		Residential Real Estate		Manufactured Housing		Other Consumer		Total
(amounts in thousands)
Pass/Satisfactory	$	3,208,368	$	820,836	$	299,042	$	1,047,331	$	103,061	$	263,517	$	—	$	—	$	5,742,155
Special Mention	393		19,911		8,059		2,053		—		280		—		—		30,696
Substandard	1,416		7,928		4,613		2,778		—		3,234		—		—		19,969
Performing (1)	—		—		—		—		—		—		102,886		3,355		106,241
Non-performing (2)	—		—		—		—		—		—		7,944		119		8,063
Total	$	3,210,177	$	848,675	$	311,714	$	1,052,162	$	103,061	$	267,031	$	110,830	$	3,474	$	5,907,124

	December 31, 2015
	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction		Residential Real Estate		Manufactured Housing		Other Consumer		Total
(amounts in thousands)
Pass/Satisfactory	$	2,907,362	$	784,892	$	295,762	$	950,886	$	87,240	$	268,210	$	—	$	—	$	5,294,352
Special Mention	661		14,052		7,840		1,671		—		282		—		—		24,506
Substandard	1,416		4,215		4,639		3,698		—		3,121		—		—		17,089
Performing (1)	—		—		—		—		—		—		104,484		3,461		107,945
Non-performing (2)	—		—		—		—		—		—		9,006		247		9,253
Total	$	2,909,439	$	803,159	$	308,241	$	956,255	$	87,240	$	271,613	$	113,490	$	3,708	$	5,453,145

(1) Includes consumer and other installment loans not subject to risk ratings.

(2) Includes loans that are past due and still accruing interest and loans on nonaccrual status.

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Shareholders' Equity

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Shareholders' Equity

SHAREHOLDERS’ EQUITY

On January 29, 2016, Customers Bancorp issued 1,000,000 shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D (the "Series D Preferred Stock") at a price of $25.00 per share in a public offering. Dividends on the Series D Preferred Stock will accrue and be payable quarterly in arrears, at a fixed rate per annum equal to 6.50% from the original issue date to, but excluding, March 15, 2021, and thereafter at a floating rate per annum equal to three-month LIBOR on the related dividend determination date plus a spread of 5.09% per annum.

Customers received net proceeds after expenses of $24.1 million from the offering, after deducting offering costs. The net proceeds will be used for general corporate purposes, which may include working capital and the funding of organic growth at Customers Bank.

On May 18, 2015, Customers Bancorp issued 2,300,000 shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series C, (the "Series C Preferred Stock") par value $1.00 per share, with a liquidation preference of $25.00 per share. Customers Bancorp will pay dividends on the Series C Preferred Stock only when, as, and if declared by the board of directors or a duly authorized committee of the board and to the extent that it has lawfully available funds to pay dividends. Dividends on the Series C Preferred Stock will accrue and be payable quarterly in arrears, on the 15th day of March, June, September, and December of each year, commencing on September 15, 2015, at a fixed rate per annum equal to 7.00% from the original issue date to, but excluding, June 15, 2020, and thereafter at a floating rate per annum equal to three-month LIBOR on the related dividend determination date plus a spread of 5.30% per annum.

Dividends on the Series C and Series D Preferred Stock will not be cumulative. If Customers Bancorp's board of directors or a duly authorized committee of the board does not declare a dividend on the Series C and Series D Preferred Stock in respect of a dividend period, then no dividend shall be deemed to have accrued for such dividend period, be payable on the applicable dividend payment date, or be cumulative, and Customers Bancorp will have no obligation to pay any dividend for that dividend period, whether or not the board of directors or a duly authorized committee of the board declares a dividend on the Series C and Series D Preferred Stock for any future dividend period.

The Series C and Series D Preferred Stock have no stated maturity, are not subject to any mandatory redemption, sinking fund or other similar provisions and will remain outstanding unless redeemed at Customers Bancorp's option. Customers Bancorp may redeem the Series C and Series D Preferred Stock at its option, at a redemption price equal to $25.00 per share, plus any declared and unpaid dividends (without regard to any undeclared dividends), (i) in whole or in part, from time to time, on any dividend payment date on or after June 15, 2020 for Series C Preferred Stock and May 15, 2021 for Series D Preferred Stock or (ii) in whole but not in part, within 90 days following the occurrence of a regulatory capital treatment event. Any redemption of the Series C and Series D Preferred Stock are subject to prior approval of the Board of Governors of the Federal Reserve System. The Series C and Series D Preferred Stock qualify as Tier 1 capital under regulatory capital guidelines. Except in limited circumstances, the Series C and Series D Preferred Stock do not have any voting rights.

On March 15, 2016, Customers paid a quarterly cash dividend on its Series C Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock of $0.4375 per share to shareholders of record on February 29, 2016.

On March 15, 2016, Customers also paid a quarterly cash dividend on its Series D Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock of $0.2076 per share to shareholders of record on February 29, 2016.

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Share-Based Compensation

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

SHARE-BASED COMPENSATION

Stock Options

The following table summarizes stock option activity for the three months ended March 31, 2016.

	Number of Options		Weighted- average Exercise Price		Weighted- average Remaining Contractual Term in Years	Aggregate Intrinsic Value
(amounts in thousands, except Weighted-average exercise price)
Outstanding at December 31, 2015	3,731,761		$	14.33
Granted	10,000		26.55
Exercised	(31,169	)	10.76			394
Forfeited	—		—
Expired	—		—
Outstanding at March 31, 2016	3,710,592		$	14.40	6.55	$	34,290
Exercisable at March 31, 2016	905,561		$	9.57	4.30	$	12,731

Cash received from the exercise of options during the three months ended March 31, 2016 was $0.3 million with a related tax benefit of $0.1 million.

Restricted Stock Units

There were 149,706 restricted stock units granted during the three months ended March 31, 2016. Of the aggregate restricted stock units granted, 86,654 were granted under the Bonus Recognition and Retention Program and are subject to five-year cliff vesting. The remaining units were granted under the Bancorp's Restated and Amended 2004 Incentive Equity and Deferred Compensation Plan and are subject to either a three-year waterfall vesting with one third of the amount vesting annually or a three-year cliff vesting. The following table summarizes restricted stock unit activity for the three months ended March 31, 2016.

	Restricted Stock Units		Weighted- average Grant- date Fair Value
Outstanding and unvested at December 31, 2015	873,264		$	14.24
Granted	149,706		22.96
Vested	(97,298	)	14.78
Forfeited	(198	)	17.65
Outstanding and unvested at March 31, 2016	925,474		$	15.59

Total share-based compensation expense for the three months ended March 31, 2016 and 2015 was $1.4 million and $1.2 million, respectively.

Customers Bancorp has a policy that permits its directors to elect to receive shares of voting common stock in lieu of their cash retainers. During the three months ended March 31, 2016, Customers Bancorp issued 11,068 shares of voting common stock with a fair value of $0.3 million to directors as compensation for their services during the first three months of 2016. The fair values were determined based on the opening price of the common stock on the day the shares were issued.

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Regulatory Capital

3 Months Ended

Mar. 31, 2016

Banking and Thrift [Abstract]

Regulatory Capital

REGULATORY CAPITAL

The Bank and the Bancorp are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet the minimum capital requirements can result in certain mandatory, and possibly additional discretionary, actions by regulators that, if undertaken, could have a direct material effect on Customers' financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Bank and Bancorp must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance sheet items, as calculated under the regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors. Prompt corrective action provisions are not applicable to bank holding companies.

Quantitative measures established by regulation to ensure capital adequacy require the Bank and Bancorp to maintain minimum amounts and ratios (set forth in the following table) of common equity, total and Tier 1 capital to risk-weighted assets and of Tier 1 capital to average assets (as defined in the regulations). At March 31, 2016 and December 31, 2015, the Bank and Bancorp met all capital adequacy requirements to which they were subject.

The Dodd-Frank Act required the FRB to establish minimum consolidated capital requirements for bank holding companies that are as stringent as those required for insured depositary subsidiaries. In 2013, the federal banking agencies approved rules that implemented the Dodd-Frank requirements and certain other regulatory capital reforms effective January 1, 2015, that (i) introduced a new capital ratio pursuant to the prompt corrective action provisions, the common equity tier 1 capital to risk rated assets ratio, (ii) increased the adequately capitalized and well capitalized thresholds for the Tier 1 risk based capital ratios to 6% and 8%, respectively, (iii) changed the treatment of certain capital components for determining Tier 1 and Tier 2 capital, and (iv) changed the risk weighting of certain assets and off balance sheet items in determining risk weighted assets.

To be categorized as well capitalized, an institution must maintain minimum common equity Tier 1, Tier 1 risk based, total risk based and Tier 1 leveraged ratios as set forth in the following table:

	Actual				For Capital Adequacy Purposes (Minimum Plus Capital Buffer)				To Be Well Capitalized Under Prompt Corrective Action Provisions
(amounts in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of March 31, 2016:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	518,117	7.201	%	$	368,754	5.125	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	367,589	5.125	%	$	466,210	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	597,794	8.308	%	$	476,681	6.625	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	475,176	6.625	%	$	573,797	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	740,646	10.294	%	$	620,585	8.625	%	N/A		N/A
Customers Bank	$	777,883	10.845	%	$	618,625	8.625	%	$	717,246	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	597,794	7.151	%	$	334,366	4.000	%	N/A		N/A
Customers Bank	$	631,569	7.575	%	$	333,494	4.000	%	$	416,868	5.000	%
As of December 31, 2015:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	500,624	7.610	%	$	296,014	4.500	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	294,916	4.500	%	$	425,990	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	556,193	8.460	%	$	394,685	6.000	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	393,221	6.000	%	$	524,295	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	698,323	10.620	%	$	526,247	8.000	%	N/A		N/A
Customers Bank	$	710,864	10.850	%	$	524,295	8.000	%	$	655,369	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	556,193	7.160	%	$	310,812	4.000	%	N/A		N/A
Customers Bank	$	565,217	7.300	%	$	309,883	4.000	%	$	387,353	5.000	%

The risk-based capital rules adopted effective January 1, 2015 require that banks and holding companies maintain a "capital conservation buffer" of 250 basis points in excess of the "minimum capital ratio." The minimum capital ratio is equal to the prompt corrective action adequately capitalized threshold ratio. The capital conservation buffer will be phased in over four years beginning on January 1, 2016, with a maximum buffer of 0.625% of risk weighted assets for 2016, 1.25% for 2017, 1.875% for 2018, and 2.5% for 2019 and thereafter.

Effective January 1, 2016, the new minimum capital level requirements (including the capital conservation buffer) applicable to the Bancorp and the Bank were as follows:

(i) a common equity Tier 1 capital ratio of 5.125%;

(ii) a Tier 1 Risk based capital ratio of 6.625%; and

(iii) a Total Risk based capital ratio of 8.625%.

Failure to maintain the required capital conservation buffer will result in limitations on capital distributions and on discretionary bonuses to executive officers.

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Disclosures about Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Disclosures about Fair Value of Financial Instruments

DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS

Customers uses fair value measurements to record fair value adjustments to certain assets and liabilities and to disclose the fair value of its financial instruments. FASB Accounting Standards Codification ("ASC") Topic 825, Financial Instruments, requires disclosure of the estimated fair value of an entity’s assets and liabilities considered to be financial instruments. For Customers, as for most financial institutions, the majority of its assets and liabilities are considered to be financial instruments. However, many of these instruments lack an available trading market as characterized by a willing buyer and willing seller engaging in an exchange transaction. For fair value disclosure purposes, Customers utilized certain fair value measurement criteria under the FASB ASC Topic 820, Fair Value Measurements and Disclosures, as explained below.

In accordance with ASC 820, the fair value of a financial instrument is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for Customers' various financial instruments. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

The fair value guidance provides a consistent definition of fair value, focusing on an exit price in an orderly transaction (that is, not a forced liquidation or distressed sale) between market participants at the measurement date under current market conditions. If there has been a significant decrease in the volume and level of activity for the asset or liability, a change in valuation technique or the use of multiple valuation techniques may be appropriate. In such instances, determining the price at which willing market participants would transact at the measurement date under current market conditions depends on the facts and circumstances and requires the use of significant judgment. The fair value is a reasonable point within the range that is most representative of fair value under current market conditions.

The fair value guidance also establishes a fair value hierarchy and describes the following three levels used to classify fair value measurements.

Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities.

Level 2: Quoted prices in markets that are not active, or inputs that are observable either directly or indirectly, for substantially the full term of the asset or liability.

Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported with little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

The following methods and assumptions were used to estimate the fair values of Customers' financial instruments as of March 31, 2016 and December 31, 2015:

Cash and cash equivalents:

The carrying amounts reported on the balance sheet for cash and cash equivalents approximate those assets’ fair values. These assets are included as Level 1 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Investment securities:

The fair values of investment securities available for sale are determined by obtaining quoted market prices on nationally recognized and foreign securities exchanges (Level 1), matrix pricing (Level 2), which is a mathematical technique used widely in the industry to value debt securities without relying exclusively on quoted market prices for the specific securities but rather by relying on the securities’ relationship to other benchmark quoted prices, or externally developed models that use unobservable inputs due to limited or no market activity of the instrument (Level 3). These assets are included as Level 1, 2, or 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

The carrying amount of investments in FHLB, Federal Reserve Bank, and other restricted stock approximates fair value, and considers the limited marketability of such securities. These assets are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Loans held for sale - Residential mortgage loans:

The Bank generally estimates the fair values of residential mortgage loans held for sale based on commitments on hand from investors within the secondary market for loans with similar characteristics. These assets are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Loans held for sale - Mortgage warehouse loans:

The fair value of mortgage warehouse loans is the amount of cash initially advanced to fund the mortgage, plus accrued interest and fees, as specified in the respective agreements. The loan is used by mortgage companies as short-term bridge financing between the funding of mortgage loans and the finalization of the sale of the loans to an investor. Changes in fair value are not expected to be recognized since at inception of the transaction the underlying loans have already been sold to an approved investor. Additionally, the interest rate is variable, and the transaction is short-term, with an average life of 19 days from purchase to sale. These assets are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Loans held for sale – Multi-family loans:

The fair values of multi-family loans held for sale are estimated using pricing indications from letters of intent with third-party investors, recent sale transactions within the secondary markets for loans with similar characteristics, or non-binding indicative bids from brokers. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Loans receivable, net of allowance for loan losses:

The fair values of loans held for investment are estimated using discounted cash flows, using market rates at the balance sheet date that reflect the credit and interest rate-risk inherent in the loans. Projected future cash flows are calculated based upon contractual maturity or call dates, projected repayments and prepayments of principal. Generally, for variable rate loans that reprice frequently and with no significant change in credit risk, fair values are based on carrying values. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Impaired loans:

Impaired loans are those that are accounted for under ASC 450, Contingencies, in which the Bank has measured impairment generally based on the fair value of the loan’s collateral. Fair value is generally determined based upon independent third-party appraisals of the properties that collateralize the loans, or discounted cash flows based upon the expected proceeds. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Other real estate owned:

The fair value of other real estate owned ("OREO") is determined by using appraisals, which may be discounted based on management’s review and changes in market conditions or sales agreements with third parties. All appraisals must be performed in accordance with the Uniform Standards of Professional Appraisal Practice. Appraisals are certified to the Bank and performed by appraisers on the Bank’s approved list of appraisers. Evaluations are completed by a person independent of management. The content of the appraisal depends on the complexity of the property. Appraisals are completed on a “retail value” and an “as is value”. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Deposit liabilities:

The fair values disclosed for interest and non-interest checking, passbook savings and money market deposit accounts are, by definition, equal to the amount payable on demand at the reporting date (i.e., their carrying amounts). These liabilities are included as Level 1 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Fair values for fixed-rate certificates of deposit are estimated using a discounted cash flow calculation that applies interest rates currently being offered in the market on certificates to a schedule of aggregated expected monthly maturities on time deposits. These liabilities are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Federal funds purchased:

For these short-term instruments, the carrying amount is considered a reasonable estimate of fair value. These liabilities are included as Level 1 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Borrowings:

Borrowings consist of long-term and short-term FHLB advances, 5-year senior unsecured notes, and subordinated debt. For the short-term borrowings, the carrying amount is considered a reasonable estimate of fair value and is included as a Level 1 fair value measurement. Fair values of long-term FHLB advances are estimated using discounted cash flow analysis, based on quoted prices for new FHLB advances with similar credit risk characteristics, terms and remaining maturity. The prices obtained from this active market represent a market value that is deemed to represent the transfer price if the liability were assumed by a third party. Fair values of privately placed subordinated and senior unsecured debt are estimated by a third-party financial adviser using discounted cash flow analysis, based on market rates currently offered on such debt with similar credit-risk characteristics, terms and remaining maturity. These liabilities are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements. The $63 million senior unsecured notes issued during third quarter 2013 are traded on The New York Stock Exchange, and their price can be obtained daily. This fair value measurement is classified as Level 1.

Derivatives (Assets and Liabilities):

The fair values of interest rate swaps and credit derivatives are determined using models that incorporate readily observable market data into a market standard methodology. This methodology nets the discounted future fixed cash receipts and the discounted expected variable cash payments. The discounted variable cash payments are based on expectations of future interest rates derived from observable market interest rate curves. In addition, fair value is adjusted for the effect of nonperformance risk by incorporating credit valuation adjustments for the Bank and its counterparties. These assets and liabilities are included as Level 2 fair values, based upon the lowest level of input that is significant to the fair value measurements.

The fair values of the residential mortgage loan commitments are derived from the estimated fair values that can be generated when the underlying mortgage loan is sold in the secondary market. The Bank uses commitments on hand from third party investors to estimate an exit price, and adjusts for the probability of the commitment being exercised based on the Bank’s internal experience (i.e., pull-through rate). These assets and liabilities are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Derivative assets and liabilities are included in Other assets and Other liabilities on the balance sheet.

Off-balance-sheet financial instruments:

The fair values of unused commitments to lend and standby letters of credit are considered to be the same as their contractual amounts.

The following information should not be interpreted as an estimate of Customers' fair value in its entirety because fair value calculations are only provided for a limited portion of Customers' assets and liabilities. Due to a wide range of valuation techniques and the degree of subjectivity used in making these estimates, comparisons between Customer’s disclosures and those of other companies may not be meaningful.

The estimated fair values of Customers' financial instruments at March 31, 2016 and December 31, 2015 were as follows:

					Fair Value Measurements at March 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(amounts in thousands)
Assets:
Cash and cash equivalents	$	262,638	$	262,638	$	262,638	$	—	$	—
Investment securities, available for sale	556,165		556,165		17,458		538,707		—
Loans held for sale	1,969,280		1,969,558		—		1,941,602		27,956
Loans receivable, net of allowance for loan losses	5,869,710		5,825,695		—		—		5,825,695
FHLB, Federal Reserve Bank and other restricted stock	92,269		92,269		—		92,269		—
Derivatives	15,324		15,324		—		15,251		73
Liabilities:
Deposits	$	6,478,615	$	6,486,780	$	4,108,287	$	2,378,493	$	—
Federal funds purchased	80,000		80,000		80,000		—		—
FHLB advances	1,633,700		1,635,165		1,323,700		311,465		—
Other borrowings	86,624		84,784		59,784		25,000		—
Subordinated debt	108,709		110,000		—		110,000		—
Derivatives	22,957		22,957		—		22,957		—

					Fair Value Measurements at December 31, 2015
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(amounts in thousands)
Assets:
Cash and cash equivalents	$	264,593	$	264,593	$	264,593	$	—	$	—
Investment securities, available for sale	560,253		560,253		19,212		541,041		—
Loans held for sale	1,797,064		1,797,458		—		1,757,807		39,651
Loans receivable, net of allowance for loan losses	5,417,832		5,353,903		—		—		5,353,903
FHLB, Federal Reserve Bank and other restricted stock	90,841		90,841		—		90,841		—
Derivatives	9,295		9,295		—		9,250		45
Liabilities:
Deposits	$	5,909,501	$	5,911,754	$	3,561,905	$	2,349,849	$	—
Federal funds purchased	70,000		70,000		70,000		—		—
FHLB advances	1,625,300		1,625,468		1,365,300		260,168		—
Other borrowings	86,457		93,804		68,867		24,937		—
Subordinated debt	108,685		110,825		—		110,825		—
Derivatives	13,932		13,932		—		13,932		—

For financial assets and liabilities measured at fair value on a recurring and nonrecurring basis, the fair value measurements by level within the fair value hierarchy used at March 31, 2016 and December 31, 2015 were as follows:

	March 31, 2016
	Fair Value Measurements at the End of the Reporting Period Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
(amounts in thousands)
Measured at Fair Value on a Recurring Basis:
Assets
Available-for-sale securities:
Agency-guaranteed residential mortgage-backed securities	$	—	$	286,289	$	—	$	286,289
Agency guaranteed commercial real estate mortgage-backed securities	—		207,397		—		207,397
Corporate notes	—		45,021		—		45,021
Equity securities	17,458		—		—		17,458
Derivatives	—		15,251		73		15,324
Loans held for sale – fair value option	—		1,941,602		—		1,941,602
Total assets - recurring fair value measurements	$	17,458	$	2,495,560	$	73	$	2,513,091
Liabilities
Derivatives	$	—	$	22,957	$	—	$	22,957
Measured at Fair Value on a Nonrecurring Basis:
Assets
Impaired loans, net of specific reserves of $3,670	$	—	$	—	$	6,354	$	6,354
Other real estate owned	—		—		688		688
Total assets - nonrecurring fair value measurements	$	—	$	—	$	7,042	$	7,042

	December 31, 2015
	Fair Value Measurements at the End of the Reporting Period Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
(amounts in thousands)
Measured at Fair Value on a Recurring Basis:
Assets
Available-for-sale securities:
Agency-guaranteed residential mortgage-backed securities	$	—	$	298,104	$	—	$	298,104
Agency-guaranteed commercial real estate mortgage-backed securities	—		202,870		—		202,870
Corporate notes	—		40,067		—		40,067
Equity securities	19,212		—		—		19,212
Derivatives	—		9,250		45		$	9,295
Loans held for sale – fair value option	—		1,757,807		—		1,757,807
Total assets - recurring fair value measurements	$	19,212	$	2,308,098	$	45	$	2,327,355
Liabilities
Derivatives	—		$	13,932	—		$	13,932
Measured at Fair Value on a Nonrecurring Basis:
Assets
Impaired loans, net of specific reserves of $2,273	$	—	$	—	$	4,346	$	4,346
Other real estate owned	—		—		358		358
Total assets - nonrecurring fair value measurements	$	—	$	—	$	4,704	$	4,704

The changes in Level 3 assets measured at fair value on a recurring basis for the three months ended March 31, 2016 and 2015 are summarized as follows.

	Three Months Ended March 31,
	2016			2015
	Residential Mortgage Loan Commitments
(amounts in thousands)
Balance at December 31	$	45		$	43
Issuances	73			87
Settlements	(45		)	(43		)
Balance at March 31	$	73		$	87

Customers' policy is to recognize transfers between fair value levels when events or circumstances warrant transfers. There were no transfers between levels during the three months ended March 31, 2016 and 2015.

The following table summarizes financial assets and financial liabilities measured at fair value as of March 31, 2016 and December 31, 2015 on a recurring and nonrecurring basis for which Customers utilized Level 3 inputs to measure fair value.

	Quantitative Information about Level 3 Fair Value Measurements
March 31, 2016	Fair Value Estimate		Valuation Technique	Unobservable Input	Range (Weighted Average) (3)
(amounts in thousands)
Impaired loans	$	6,354	Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Other real estate owned	688		Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Residential mortgage loan commitments	73		Adjusted market bid	Pull-through rate	90%

	Quantitative Information about Level 3 Fair Value Measurements
December 31, 2015	Fair Value Estimate		Valuation Technique	Unobservable Input	Range (Weighted Average) (3)
(amounts in thousands)
Impaired loans	$	4,346	Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Other real estate owned	358		Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Residential mortgage loan commitments	45		Adjusted market bid	Pull-through rate	94%

(1) Obtained from approved independent appraisers. Appraisals are current and in compliance with credit policy. The Bank does not generally discount appraisals.

(2) Fair value is adjusted for estimated costs to sell.

(3) Presented as a percentage of the value determined by appraisal.

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Derivative Instruments and Hedging Activities

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

Risk Management Objectives of Using Derivatives

Customers is exposed to certain risks arising from both its business operations and economic conditions. Customers manages economic risks, including interest rate, liquidity, and credit risk, primarily by managing the amount, sources, and durations of its assets and liabilities. Specifically, Customers enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Customers' derivative financial instruments are used to manage differences in the amount, timing, and duration of Customers' known or expected cash receipts and its known or expected cash payments principally related to certain borrowings. Customers also has interest-rate derivatives resulting from a service provided to certain qualifying customers, and therefore, they are not used to manage Customers' interest-rate risk in assets or liabilities. Customers manages a matched book with respect to its derivative instruments used in this customer service in order to minimize its net risk exposure resulting from such transactions.

Cash Flow Hedges of Interest Rate Risk

Customers' objectives in using interest-rate derivatives are to add stability to interest expense and to manage exposure to interest-rate movements. To accomplish this objective, Customers primarily uses interest rate swaps as part of its interest-rate-risk management strategy. Interest-rate swaps designated as cash flow hedges involve the receipt of variable amounts from a counterparty in exchange for Customers making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount.

The effective portion of changes in the fair value of derivatives designated and qualifying as cash flow hedges is recorded in accumulated other comprehensive income and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. To date, such derivatives were used to hedge the variable cash flows associated with a forecasted issuance of debt. The ineffective portion of the change in fair value of the derivatives is to be recognized directly in earnings. During the three months ended March 31, 2016 and 2015, Customers did not record any hedge ineffectiveness.

Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense as interest payments are made on Customers' variable-rate debt. Customers expects to reclassify $2.6 million from accumulated other comprehensive income to interest expense during the next 12 months.

Customers is hedging its exposure to the variability in future cash flows for forecasted transactions over a maximum period of 24 months (excluding forecasted transactions related to the payment of variable interest on existing financial instruments).

At March 31, 2016 and December 31, 2015, Customers had one outstanding interest rate derivative with a notional amount of $150.0 million that was designated as a cash flow hedge of interest rate risk. The hedge expires in April 2019.

Derivatives Not Designated as Hedging Instruments

Customers executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies (typically the loan customers will swap a floating-rate loan for a fixed-rate loan). The customer interest rate swaps are simultaneously offset by interest rate swaps that Customers executes with a third party in order to minimize interest rate risk exposure resulting from such transactions. Because the interest rate swaps associated with this program do not meet the hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting third-party market swaps are recognized directly in earnings. At March 31, 2016, Customers had 62 interest rate swaps with an aggregate notional amount of $457.2 million related to this program. At December 31, 2015, Customers had 62 interest rate swaps with an aggregate notional amount of $461.0 million related to this program.

Customers enters into residential mortgage loan commitments in connection with its mortgage banking activities to fund mortgage loans at specified rates and times in the future. These commitments are short-term in nature and generally expire in 30 to 60 days. The residential mortgage loan commitments that relate to the origination of mortgage loans that will be held for sale are considered derivative instruments under applicable accounting guidance and are reported at fair value, with changes in fair value recorded directly in earnings. At March 31, 2016 and December 31, 2015, Customers had an outstanding notional balance of residential mortgage loan commitments of $4.5 million and $2.8 million, respectively.

Customers has also purchased and sold credit derivatives to either hedge or participate in the performance risk associated with some of its counterparties. These derivatives are not designated as hedging instruments and are reported at fair value, with changes in fair value reported directly in earnings. At March 31, 2016 and December 31, 2015, Customers had an outstanding notional balances of credit derivatives of $36.3 million and $19.3 million, respectively.

Fair Value of Derivative Instruments on the Balance Sheet

The following table presents the fair value of Customers' derivative financial instruments as well as their classification on the balance sheet as of March 31, 2016 and December 31, 2015.

	March 31, 2016
	Derivative Assets			Derivative Liabilities
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
(amounts in thousands)
Derivatives designated as cash flow hedges:
Interest rate swaps	Other assets	$	—	Other liabilities	$	7,077
Total		$	—		$	7,077
Derivatives not designated as hedging instruments:
Interest rate swaps	Other assets	$	15,006	Other liabilities	$	15,846
Credit contracts	Other assets	245		Other liabilities	34
Residential mortgage loan commitments	Other assets	73		Other liabilities	—
Total		$	15,324		$	15,880

	December 31, 2015
	Derivative Assets			Derivative Liabilities
	Balance Sheet			Balance Sheet
	Location	Fair Value		Location	Fair Value
(amounts in thousands)
Derivatives designated as cash flow hedges:
Interest rate swaps	Other assets	$	—	Other liabilities	$	4,477
Total		$	—		$	4,477
Derivatives not designated as hedging instruments:
Interest rate swaps	Other assets	$	9,088	Other liabilities	$	9,455
Credit contracts	Other assets	162		Other liabilities	—
Residential mortgage loan commitments	Other assets	45		Other liabilities	—
Total		$	9,295		$	9,455

Effect of Derivative Instruments on Comprehensive Income

The following tables present the effect of Customers' derivative financial instruments on comprehensive income for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016
	Income Statement Location	Amount of Income  (Loss) Recognized in Earnings
(amounts in thousands)
Derivatives not designated as hedging instruments:
Interest rate swaps	Other non-interest income	$	(472	)
Credit contracts	Other non-interest income	249
Residential mortgage loan commitments	Mortgage loan and banking income	28
Total		$	(195	)

	Three Months Ended March 31, 2015
	Income Statement Location	Amount of Income Recognized in Earnings
(amounts in thousands)
Derivatives not designated as hedging instruments:
Interest rate swaps	Other non-interest income	$	121
Credit contracts	Other non-interest income	30
Residential mortgage loan commitments	Mortgage loan and banking income	44
Total		$	195

	Three Months Ended March 31, 2016
	Amount of Loss Recognized in OCI on Derivatives (Effective Portion) (1)			Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
(amounts in thousands)
Derivatives in cash flow hedging relationships:
Interest rate swaps	$	(1,625	)	Interest expense	$	—

	Three Months Ended March 31, 2015
	Amount of Loss Recognized in OCI on Derivatives (Effective Portion) (1)			Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
(amounts in thousands)
Derivatives in cash flow hedging relationships:
Interest rate swaps	$	(1,168	)	Interest expense	$	—

(1) Amounts presented are net of taxes

Credit-risk-related Contingent Features

By entering into derivative contracts, Customers is exposed to credit risk. The credit risk associated with derivatives executed with customers is the same as that involved in extending the related loans and is subject to the same standard credit policies. To mitigate the credit-risk exposure to major derivative dealer counterparties, Customers only enters into agreements with those counterparties that maintain credit ratings of high quality.

Agreements with major derivative dealer counterparties contain provisions whereby default on any of Customers' indebtedness would be considered a default on its derivative obligations. Customers also has entered into agreements that contain provisions under which the counterparty could require Customers to settle its obligations if Customers fails to maintain its status as a well/adequately-capitalized institution. As of March 31, 2016, the fair value of derivatives in a net liability position (which includes accrued interest but excludes any adjustment for nonperformance-risk) related to these agreements was $23.3 million. In addition, Customers has minimum collateral posting thresholds with certain of these counterparties and at March 31, 2016 had posted $22.8 million of cash as collateral. Customers records cash posted as collateral as a reduction in the outstanding balance of cash and cash equivalents and an increase in the balance of other assets.

Disclosures about Offsetting Assets and Liabilities

The following tables present derivative instruments that are subject to enforceable master netting arrangements. Customers' interest rate swaps with institutional counterparties are subject to master netting arrangements and are included in the table below. Interest rate swaps with commercial banking customers and residential mortgage loan commitments are not subject to master netting arrangements and are excluded from the table below. Customers has not made a policy election to offset its derivative positions.

Offsetting of Financial Assets and Derivative Assets

At March 31, 2016

Gross Amount of Recognized Assets

Gross Amounts Offset in the Consolidated Balance Sheet

Net Amounts of Assets Presented in the Consolidated Balance Sheet

Gross Amounts Not Offset in the Consolidated Balance Sheet

Net Amount

Financial Instruments

Cash Collateral Received

(amounts in thousands)

Description

Interest rate swap derivatives with institutional counterparties

$

—

$

—

$

—

$

—

$

—

$

—

Offsetting of Financial Liabilities and Derivative Liabilities

At March 31, 2016

	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet		Gross Amounts Not Offset in the Consolidated Balance Sheet
							Financial Instruments		Cash Collateral Pledged		Net Amount
(amounts in thousands)
Description
Interest rate swap derivatives with institutional counterparties	$	22,923	$	—	$	22,923	$	—	$	22,832	$	91

Offsetting of Financial Assets and Derivative Assets

At December 31, 2015

Gross Amount of Recognized Assets

Gross Amounts Offset in the Consolidated Balance Sheet

Net Amounts of Assets Presented in the Consolidated Balance Sheet

Gross Amounts Not Offset in the Consolidated Balance Sheet

Net Amount

Financial Instruments

Cash Collateral Received

(amounts in thousands)

Description

Interest rate swap derivatives with institutional counterparties

$

—

$

—

$

—

$

—

$

—

$

—

Offsetting of Financial Liabilities and Derivative Liabilities

At December 31, 2015

	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet		Gross Amounts Not Offset in the Consolidated Balance Sheet				Net Amount
							Financial Instruments		Cash Collateral Pledged
(amounts in thousands)
Description
Interest rate swap derivatives with institutional counterparties	$	13,932	$	—	$	13,932	$	—	$	13,932	$	—

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Subsequent Events

3 Months Ended

Mar. 31, 2016

Subsequent Events [Abstract]

Subsequent Events

SUBSEQUENT EVENTS

On April 28, 2016, Customers completed its public offering of 2,300,000 shares of Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series E (the "Series E Preferred Stock") at a price of $25.00 per share. Dividends on the Series E Preferred Stock will accrue and be payable quarterly in arrears, at a fixed rate per annum equal to 6.45% from the original issue date to, but excluding, June 15, 2021, and thereafter at a floating rate per annum equal to three-month LIBOR on the related dividend determination date plus a spread of 5.14% per annum.

Customers received net proceeds of $55.7 million from the offering. The proceeds will be used for general corporate purposes, which may include working capital and the funding of organic growth at Customers Bank.

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Significant Accounting Policies and Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The interim unaudited consolidated financial statements of Customers Bancorp, Inc. and subsidiaries have been prepared pursuant to the rules and regulations of the SEC. These interim unaudited consolidated financial statements reflect all normal and recurring adjustments that are, in the opinion of management, necessary to present a fair statement of the financial position and the results of operations and cash flows of Customers Bancorp and subsidiaries for the interim periods presented. Certain information and footnote disclosures normally included in the annual consolidated financial statements have been omitted from these interim unaudited consolidated financial statements as permitted by SEC rules and regulations. The December 31, 2015 consolidated balance sheet presented in this report has been derived from Customers Bancorp’s audited 2015 consolidated financial statements. Management believes that the disclosures are adequate to present fairly the consolidated financial statements as of the dates and for the periods presented. These interim unaudited consolidated financial statements should be read in conjunction with the 2015 consolidated financial statements of Customers Bancorp and subsidiaries included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015 filed with the SEC on February 26, 2016. That Form 10-K describes Customers Bancorp’s significant accounting policies, which include its policies on Principles of Consolidation; Cash and Cash Equivalents and Statements of Cash Flows; Restrictions on Cash and Amounts due from Banks; Investment Securities; Loan Accounting Framework; Allowance for Loan Losses; Goodwill; Investments in FHLB, Federal Reserve Bank, and other restricted stock; Other Real Estate Owned; FDIC Loss Sharing Receivable and Clawback Liability; Bank-Owned Life Insurance; Bank Premises and Equipment; Treasury Stock; Income Taxes; Share-Based Compensation; Derivative Instruments and Hedging; Comprehensive Income; Earnings per Share and Segment Information. Certain prior period amounts have been reclassified to conform to current period presentation. Results for interim periods are not necessarily indicative of those that may be expected for the fiscal year.

Recently Issued Accounting Standards

Recently Issued Accounting Standards

In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-09—Compensation—Stock Compensation: Improvements to Employee Share-Based Payment Accounting. The Board issued this ASU as part of its initiative to reduce complexity in accounting standards. The areas for simplification in this ASU involve several aspects of the accounting for employee share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. Some of the areas for simplification apply only to nonpublic entities. For public business entities, the amendments are effective for annual periods beginning after December 15, 2016, and interim periods within those annual periods. In addition, the amendments in this ASU eliminate the guidance in Topic 718 that was indefinitely deferred shortly after the issuance of FASB Statement No. 123 (revised 2004), Share-Based Payment. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-07—Investments—Equity Method and Joint Ventures. To simplify the accounting for equity method investments, the amendments in the ASU eliminate the requirement in Topic 323 that an entity retroactively adopt the equity method of accounting if an investment qualifies for use of the equity method as a result of an increase in the level of ownership or degree of influence. The amendments require that the equity method investor add the cost of acquiring the additional interest in the investee to the current basis of the investor’s previously held interest and adopt the equity method of accounting as of the date the investment becomes qualified for equity method accounting. The ASU is effective for all entities for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-06—Derivatives and Hedging: Contingent Put and Call Options in Debt Instruments. Topic 815 requires that embedded derivatives be separated from the host contract and accounted for separately as derivatives if certain criteria are met, including the “clearly and closely related” criterion. The amendments in this ASU clarify the requirements for assessing whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. An entity performing the assessment under the amendments is required to assess the embedded call (put) options solely in accordance with the four-step decision sequence. Namely, this decision sequence requires that an entity consider whether:

1. the payoff is adjusted based on changes in an index;

2. the payoff is indexed to an underlying other than interest rates or credit risk;

3. the debt involves a substantial premium or discount; and

4. the call (put) option is contingently exercisable.

The amendments apply to all entities that are issuers of or investors in debt instruments (or hybrid financial instruments that are determined to have a debt host) with embedded call (put) options. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-05—Derivatives and Hedging: Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships. The term novation refers to replacing one counterparty to a derivative instrument with a new counterparty. That change occurs for a variety of reasons, including financial institution mergers, intercompany transactions, an entity exiting a particular derivatives business or relationship, an entity managing against internal credit limits, or in response to laws or regulatory requirements.

The amendments in this ASU clarify that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815, does not, in and of itself, require dedesignation of that hedging relationship provided that all other hedge accounting criteria continue to be met. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-04—Liabilities—Extinguishments of Liabilities: Recognition of Breakage for Certain Prepaid Stored-Value Products. When an entity sells a prepaid stored-value product (such as gift cards, telecommunication cards, and traveler’s checks), it recognizes a financial liability for its obligation to provide the product holder with the ability to purchase goods or services at a third-party merchant. When a prepaid stored-value product goes unused wholly or partially for an indefinite time period, the amount that remains on the product is referred to as breakage. There currently is diversity in the methodology used to recognize breakage. Subtopic 405-20 includes derecognition guidance for both financial liabilities and nonfinancial liabilities, and Topic 606, Revenue from Contracts with Customers, includes authoritative breakage guidance but excludes financial liabilities.

The amendments in this ASU provide a narrow scope exception to the guidance in Subtopic 405-20 to require that breakage be accounted for consistent with the breakage guidance in Topic 606. For public business entities, the amendments are effective for financial statements issued for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, Leases. From the lessee's perspective, the new standard establishes a right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement for a lessees. From the lessor's perspective, the new standard requires a lessor to classify leases as either sales-type, finance or operating. A lease will be treated as a sale if it transfers all of the risks and rewards, as well as control of the underlying asset, to the lessee. If risks and rewards are conveyed without the transfer of control, the lease is treated as a financing. If the lessor doesn’t convey risks and rewards or control, an operating lease results.

The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. A modified retrospective transition approach is required for lessors for sales-type, direct financing, and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. Customers is currently evaluating the impact of the pending adoption of the new standard on its consolidated financial statements.

In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments - Overall. The guidance in this ASU among other things, (1) requires equity investments with certain exceptions, to be measured at fair value with changes in fair value recognized in net income, (2) simplifies the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment, (3) eliminates the requirement for public entities to disclose the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet, (4) requires public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes, (5) requires an entity to present separately in other comprehensive income the portion of the change in fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments, (6) requires separate presentation of financial assets and financial liabilities by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements and (7) clarifies that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities. The guidance in this ASU is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In November 2015, the FASB issued ASU 2015-17, Income Taxes. The amendments in this ASU, which will align the presentation of deferred income tax assets and liabilities with International Financial Reporting Standards (IFRS), require that deferred tax liabilities and assets be classified as non-current in a classified statement of financial position. The amendments in this ASU apply to all entities that present a classified statement of financial position. The current requirement that deferred tax liabilities and assets of a tax-paying component of an entity be offset and presented as a single amount is not affected by the amendments in this ASU.

For public business entities, the amendments in this ASU are effective for financial statements issued for annual periods beginning after December 15, 2016, and interim periods within those annual periods. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In September 2015, the FASB issued ASU 2015-16, Simplifying the Accounting for Measurement-Period Adjustments. To simplify the accounting for adjustments made to provisional amounts recognized in a business combination, the guidance in this ASU eliminates the requirement to retrospectively account for those adjustments and requires an entity to present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. The guidance in this ASU was effective for fiscal years beginning after December 15, 2015, including interim periods within those fiscal years and should be applied prospectively to adjustment to provisional amounts that occur after the effective date of this ASU. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In April 2015 and August 2015, the FASB issued ASU 2015-03, Simplifying the Presentation of Debt Issuance Costs and ASU2015-15, Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements- Amendments to SEC Paragraphs Pursuant to Staff Announcement at June 18, 2015 EITF Meeting, respectively. The guidance in these ASUs is intended to simplify presentation of debt issuance costs, and requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of the debt liability consistent with debt discounts and is applicable on a retrospective basis. The guidance in these ASUs was effective for interim and annual periods beginning after December 15, 2015. The adoption of these ASUs on January 1, 2016 resulted in a reclassification adjustment, which reduced "Other borrowings" by $1.8 million and "Subordinated debt" by $1.3 million with corresponding decrease in "Other assets" of $3.1 million as of December 31, 2015.

In February 2015, the FASB issued ASU 2015-02, Amendments to the Consolidation Analysis. The guidance in this ASU is intended to amend the update, which changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. The amendments in this ASU affect the following areas:

1. Limited partnerships and similar legal entities.

2. Evaluating fees paid to a decision maker or a service provider as a variable interest.

3. The effect of fee arrangements on the primary beneficiary determination.

4. The effect of related parties on the primary beneficiary determination.

5. Certain investment funds.

The guidance in this ASU was effective for annual and interim periods beginning after December 15, 2015. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In January 2015, the FASB issued ASU 2015-01, Income Statement - Extraordinary and Unusual Items - Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items. The guidance in this ASU was issued as part of the FASB's initiative to reduce complexity in accounting standards and eliminates from GAAP the concept of extraordinary items. The guidance in this ASU was effective in the first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging : Determining Whether the Host contract in a Hybrid Financial Instrument in the Form of a Share is More Akin to Debt or to Equity. The guidance in this ASU requires entities that issue or invest in a hybrid financial instrument to separate an embedded derivative feature from a host contract and account for the feature as a derivative. In the case of derivatives embedded in a hybrid financial instrument that is issued in the form of a share, that criterion requires evaluating whether the nature of the host contract is more akin to debt or to equity and whether the economic characteristics and risks of the embedded derivative feature are clearly and closely related to the host contract. If the host contract is akin to equity, then equity-like features (for example, a conversion option) are considered clearly and closely related to the host contract and, thus, would not be separated from the host contract. If the host contract is akin to debt, then equity-like features are not considered clearly and closely related to the host contract. In the latter case, an entity may be required to separate the equity-like embedded derivative feature from the debt host contract if certain other criteria in Subtopic 815-15 are met. Similarly, debt-like embedded derivative features may require separate accounting from an equity-like host contract. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In August 2014, the FASB issued ASU 2014-13, Consolidation: Measuring the Financial Assets and the Financial Liabilities of a Consolidated Collateralized Financing Entity. The guidance in this ASU applies to a reporting entity that is required to consolidate a collateralized financing entity under the Variable Interest Entities guidance when: (1) the reporting entity measures all of the financial assets and the financial liabilities of that consolidated collateralized financing entity at fair value in the consolidated financial statements based on other Codification Topics; and (2) the changes in the fair values of those financial assets and financial liabilities are reflected in earnings. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In June 2014, the FASB issued ASU 2014-12, Compensation-Stock Compensation. The guidance in this ASU requires that a performance target that affects vesting and that could be achieved after the requisite service period is treated as a performance condition. As such, the performance target should not be reflected in estimating the grant-date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite has already been rendered. If the performance target becomes probable of being achieved before the end of the requisite period, the remaining unrecognized cost should be recognized prospectively over the remaining requisite service period. The total amount of compensation cost recognized during and after the requisite service period should reflect the number of awards that are expected to vest and should be adjusted to reflect those awards that ultimately vest. The requisite service period ends when the employee can cease rendering service and still be eligible to vest in the award if the performance target is achieved. As indicated in the definition of vest, the stated vesting period (which includes the period in which the performance target could be achieved) may differ from the requisite service period. The guidance in this ASU was effective in first quarter 2016. The adoption of this ASU did not have an impact on Customers' financial condition or results of operations.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers.  This ASU establishes a comprehensive revenue recognition standard for virtually all industries following U.S. GAAP, including those that previously followed industry-specific guidance such as the real estate and construction industries. The revenue standard’s core principal is built on the contract between a vendor and a customer for the provision of goods and services. It attempts to depict the exchange of rights and obligations between the parties in the pattern of revenue recognition based on the consideration to which the vendor is entitled. To accomplish this, the standard requires five basic steps: (i) identify the contract with the customer, (ii) identify the performance obligations in the contract, (iii) identify the transaction price, (iv) allocate the transaction price to the performance obligations in the contract, and (v) recognize revenue when (or as) the entity satisfies the performance obligation. Three basic transition methods are available - full retrospective, retrospective with certain practical expedients, and a cumulative effect approach. Under the cumulative effect alternative, an entity would apply the new revenue standard only to contracts that are incomplete under legacy U.S. GAAP at the date of initial application and recognize the cumulative effect of the new standard as an adjustment to the opening balance of retained earnings.

In August 2015, the FASB issued ASU 2015-14, Revenue fromContracts with Customers: Deferral of the Effective Date. The guidance in this ASU is now effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Customers does not expect this ASU to have a significant impact on its financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-08—Revenue from Contracts with Customers: Principal versus Agent Considerations (Reporting Revenue Gross versus Net). While the ASU does not change the core provisions of Topic 606, it clarifies the implementation guidance on principal versus agent considerations. Namely, the ASU clarifies and offers guidance to help determine when the reporting entity is providing goods or services to a customer itself (i.e. the entity is a principal), or merely arranging for that good or service to be provided by the other party (i.e. the reporting entity is an agent). If the entity is a principal, it recognizes revenue in the gross amount of consideration to which it expects to be entitled in exchange for the specified good or service transferred to the customer. When the reporting entity is an agent, it recognizes revenue in the amount of any fee or commission to which it expects to be entitled in exchange for arranging for the specified good or service to be provided by the other party.

An entity is a principal if it controls the specified good or service before that good or service is transferred to a customer. The guidance includes indicators to assist in determining whether the Control criteria are met. If a contract with a customer includes more than one specified good or service, an entity could be a principal for some specified goods or services and an agent for others. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

In March 2016, the FASB issued ASU No. 2016-10—Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing. This ASU clarifies guidance related to identifying performance obligations and licensing implementation guidance contained in the new revenue recognition standard. The ASU includes targeted improvements based on input the Board received from the Transition Resource Group for Revenue Recognition and other stakeholders. The ASU seeks to proactively address areas in which diversity in practice potentially could arise, as well as to reduce the cost and complexity of applying certain aspects of the guidance both at implementation and on an ongoing basis. The amendments in this Update affect the guidance in Accounting Standards Update 2014-09, Revenue from Contracts with Customers, which will be effective for fiscal years beginning after December 31, 2016 for public entities. The effective date and transition requirements for the amendments in this Update are the same as those in Update 2014-09. Customers does not expect the adoption of this ASU to have a significant impact on its financial condition or results of operations.

Impaired Financing Receivable

Impaired loans:

Impaired loans are those that are accounted for under ASC 450, Contingencies, in which the Bank has measured impairment generally based on the fair value of the loan’s collateral. Fair value is generally determined based upon independent third-party appraisals of the properties that collateralize the loans, or discounted cash flows based upon the expected proceeds. These assets are included as Level 3 fair values, based upon the lowest level of input that is significant to the fair value measurements.

Fair Value Measurement

Customers uses fair value measurements to record fair value adjustments to certain assets and liabilities and to disclose the fair value of its financial instruments. FASB Accounting Standards Codification ("ASC") Topic 825, Financial Instruments, requires disclosure of the estimated fair value of an entity’s assets and liabilities considered to be financial instruments. For Customers, as for most financial institutions, the majority of its assets and liabilities are considered to be financial instruments. However, many of these instruments lack an available trading market as characterized by a willing buyer and willing seller engaging in an exchange transaction. For fair value disclosure purposes, Customers utilized certain fair value measurement criteria under the FASB ASC Topic 820, Fair Value Measurements and Disclosures, as explained below.

In accordance with ASC 820, the fair value of a financial instrument is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for Customers' various financial instruments. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument.

The fair value guidance provides a consistent definition of fair value, focusing on an exit price in an orderly transaction (that is, not a forced liquidation or distressed sale) between market participants at the measurement date under current market conditions. If there has been a significant decrease in the volume and level of activity for the asset or liability, a change in valuation technique or the use of multiple valuation techniques may be appropriate. In such instances, determining the price at which willing market participants would transact at the measurement date under current market conditions depends on the facts and circumstances and requires the use of significant judgment. The fair value is a reasonable point within the range that is most representative of fair value under current market conditions.

The fair value guidance also establishes a fair value hierarchy and describes the following three levels used to classify fair value measurements.

Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities.

Level 2: Quoted prices in markets that are not active, or inputs that are observable either directly or indirectly, for substantially the full term of the asset or liability.

Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported with little or no market activity).

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

Derivatives

Risk Management Objectives of Using Derivatives

Customers is exposed to certain risks arising from both its business operations and economic conditions. Customers manages economic risks, including interest rate, liquidity, and credit risk, primarily by managing the amount, sources, and durations of its assets and liabilities. Specifically, Customers enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. Customers' derivative financial instruments are used to manage differences in the amount, timing, and duration of Customers' known or expected cash receipts and its known or expected cash payments principally related to certain borrowings. Customers also has interest-rate derivatives resulting from a service provided to certain qualifying customers, and therefore, they are not used to manage Customers' interest-rate risk in assets or liabilities. Customers manages a matched book with respect to its derivative instruments used in this customer service in order to minimize its net risk exposure resulting from such transactions.

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Changes in Accumulated Other Comprehensive Income (Loss) By Component (Tables)

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Changes in Accumulated Other Comprehensive Income (loss)

The following tables present the changes in accumulated other comprehensive income (loss) by component for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016
	Available-for-sale-securities
(amounts in thousands)	Unrealized Gains (Losses)			Foreign Currency Items			Total Unrealized Gains (Losses)			Unrealized Loss on Cash Flow Hedge			Total
Balance - December 31, 2015	$	(4,602	)	$	(584	)	$	(5,186	)	$	(2,798	)	$	(7,984	)
Other comprehensive income (loss) before reclassifications	4,255			37			4,292			(1,625		)	2,667
Amounts reclassified from accumulated other comprehensive loss to net income (2)	(16		)	—			(16		)	—			(16		)
Net current-period other comprehensive income (loss)	4,239			37			4,276			(1,625		)	2,651
Balance - March 31, 2016	$	(363	)	$	(547	)	$	(910	)	$	(4,423	)	$	(5,333	)

	Three Months Ended March 31, 2015
	Available-for-sale-securities
(amounts in thousands)	Unrealized Gains (Losses) (2)		Foreign Currency Items			Total Unrealized Gains (Losses)		Unrealized Loss on Cash Flow Hedge			Total
Balance - December 31, 2014	$	1,156	$	(14	)	$	1,142	$	(1,264	)	$	(122	)
Other comprehensive income (loss) before reclassifications	121		122			243		(1,168		)	(925		)
Amounts reclassified from accumulated other comprehensive loss to net income (2)	—		—			—		—			—
Net current-period other comprehensive income (loss)	121		122			243		(1,168		)	(925		)
Balance - March 31, 2015	$	1,277	$	108		$	1,385	$	(2,432	)	$	(1,047	)

(1) All amounts are presented net of tax. Amounts in parentheses indicate reductions to accumulated other comprehensive income.

(2) Reclassification amounts are reported as "Gain on sale of investment securities" on the Consolidated Statements of Income.

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Components of Earnings Per Share

The following are the components and results of Customers' earnings per common share calculation for the periods presented.

	Three Months Ended March 31,
	2016		2015
(amounts in thousands, except share and per share data)
Net income available to common shareholders	$	16,413	$	13,952
Weighted-average number of common shares outstanding - basic	26,945,062		26,777,389
Share-based compensation plans	1,530,409		1,276,340
Warrants	307,630		284,074
Weighted-average number of common shares - diluted	28,783,101		28,337,803
Basic earnings per common share	$	0.61	$	0.52
Diluted earnings per common share	$	0.57	$	0.49

Anti-dilutive Securities Excluded from Computation of Earnings Per Share

The following is a summary of securities that could potentially dilute basic earnings per common share in future periods that were not included in the computation of diluted earnings per common share because to do so would have been anti-dilutive for the periods presented.

	Three Months Ended March 31,
	2016	2015
Anti-dilutive securities:
Share-based compensation awards	606,995	18,683
Warrants	52,242	52,242
Total anti-dilutive securities	659,237	70,925

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Summary of Amortized Cost and Approximate Fair Value of Investment Securities

The amortized cost and approximate fair value of investment securities as of March 31, 2016 and December 31, 2015 are summarized in the tables below:

	March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	285,259	$	2,359	$	(1,329	)	$	286,289
Agency-guaranteed commercial real estate mortgage-backed securities	204,921		2,485		(9		)	207,397
Corporate notes (1)	44,927		303		(209		)	45,021
Equity securities (2)	22,514		—		(5,056		)	17,458
	$	557,621	$	5,147	$	(6,603	)	$	556,165

(1) Includes subordinated debt issued by other bank holding companies.

(2) Consists primarily of equity securities issued by a foreign entity.

	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	299,392	$	1,453	$	(2,741	)	$	298,104
Agency-guaranteed commercial real estate mortgage-backed securities	206,719		—		(3,849		)	202,870
Corporate notes (1)	39,925		320		(178		)	40,067
Equity securities (2)	22,514		—		(3,302		)	19,212
	$	568,550	$	1,773	$	(10,070	)	$	560,253

(1) Includes subordinated debt issued by other bank holding companies.

(2) Consists primarily of equity securities issued by a foreign entity.

Statement of Proceeds from Sale of Available for Sale Investment Securities

The following table presents proceeds from the sale of available-for-sale investment securities and gross gains and gross losses realized on those sales for the three months ended March 31, 2016 and 2015:

	Three Months Ended March 31,
	2016		2015
(amounts in thousands)
Proceeds from sale of available-for-sale securities	$	2,848	$	—
Gross gains	$	26	—
Gross losses	—		—
Net gains	$	26	$	—

Summary of Available-for-Sale Debt Securities by Stated Maturity

The following table presents available-for-sale debt securities by stated maturity. Debt securities backed by mortgages have expected maturities that differ from contractual maturities because borrowers have the right to call or prepay and, therefore, these debt securities are classified separately with no specific maturity date:

	March 31, 2016
	Amortized Cost		Fair Value
(amounts in thousands)
Due in one year or less	$	—	$	—
Due after one year through five years	—		—
Due after five years through ten years	37,927		37,911
Due after ten years	7,000		7,110
Agency-guaranteed residential mortgage-backed securities	285,259		286,289
Agency-guaranteed commercial real estate mortgage-backed securities	204,921		207,397
Total debt securities	$	535,107	$	538,707

Gross Unrealized Losses and Fair Value, Aggregated by Investment Category

Gross unrealized losses and fair value of Customers' investments aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at March 31, 2016 and December 31, 2015 were as follows:

	March 31, 2016
	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	13,858	$	(23	)	$	56,604	$	(1,306	)	$	70,462	$	(1,329	)
Agency-guaranteed commercial real estate mortgage-backed securities	20,954		(9		)	—		—			20,954		(9		)
Corporate notes (1)	18,718		(209		)	—		—			18,718		(209		)
Equity securities (2)	17,452		(5,055		)	6		(1		)	17,458		(5,056		)
Total	$	70,982	$	(5,296	)	$	56,610	$	(1,307	)	$	127,592	$	(6,603	)

	December 31, 2015
	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
(amounts in thousands)
Available for Sale:
Agency-guaranteed residential mortgage-backed securities	$	102,832	$	(535	)	$	57,357	$	(2,206	)	160,189		$	(2,741	)
Agency-guaranteed commercial real estate mortgage-backed securities	202,870		(3,849		)	—		—			202,870		(3,849		)
Corporate notes (1)	9,748		(178		)	—		—			9,748		(178		)
Equity securities (2)	19,206		(3,301		)	6		(1		)	19,212		(3,302		)
Total	$	334,656	$	(7,863	)	$	57,363	$	(2,207	)	$	392,019	$	(10,070	)

(1) Includes subordinated debt issued by other bank holding companies.    

(2)     Consists primarily of equity securities in a foreign entity.

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Loans Held for Sale (Tables)

3 Months Ended

Mar. 31, 2016

Receivables Held-for-sale [Abstract]

Composition of Loans Held for Sale

The composition of loans held for sale as of March 31, 2016 and December 31, 2015 was as follows:

	March 31, 2016		December 31, 2015
(amounts in thousands)
Commercial loans:
Mortgage warehouse loans at fair value	$	1,940,558	$	1,754,950
Multi-family loans at lower of cost or fair value	27,678		39,257
Commercial loans held for sale	1,968,236		1,794,207
Consumer loans:
Residential mortgage loans at fair value	1,044		2,857
Loans held for sale	$	1,969,280	$	1,797,064

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Loans Receivable and Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Schedule of Loans Receivable

The following table presents loans receivable as of March 31, 2016 and December 31, 2015:

	March 31, 2016			December 31, 2015
(amounts in thousands)
Commercial:
Multi-family	$	3,210,177		$	2,909,439
Commercial and industrial (including owner occupied commercial real estate)	1,160,389			1,111,400
Commercial real estate non-owner occupied	1,052,162			956,255
Construction	103,061			87,240
Total commercial loans	5,525,789			5,064,334
Consumer:
Residential real estate	267,031			271,613
Manufactured housing	110,830			113,490
Other	3,474			3,708
Total consumer loans	381,335			388,811
Total loans receivable	5,907,124			5,453,145
Deferred costs and unamortized premiums, net	191			334
Allowance for loan losses	(37,605		)	(35,647		)
Loans receivable, net of allowance for loan losses	$	5,869,710		$	5,417,832

Non-Covered Loans and Covered Loans by Class and Performance Status

The following tables summarize loans receivable by loan type and performance status as of March 31, 2016 and December 31, 2015:

	March 31, 2016
	30-89 Days Past Due (1)		90 Days Or More Past Due(1)		Total Past Due (1)		Non- Accrual		Current (2)		Purchased- Credit- Impaired Loans (3)		Total Loans (4)
(amounts in thousands)
Multi-family	$	—	$	—	$	—	$	—	$	3,206,569	$	3,608	$	3,210,177
Commercial and industrial	4		—		4		6,035		841,166		1,470		848,675
Commercial real estate - owner occupied	—		—		—		2,689		296,285		12,740		311,714
Commercial real estate - non-owner occupied	—		—		—		2,610		1,037,684		11,868		1,052,162
Construction	—		—		—		—		102,827		234		103,061
Residential real estate	3,487		—		3,487		2,325		253,006		8,213		267,031
Manufactured housing (5)	3,296		2,292		5,588		2,356		99,572		3,314		110,830
Other consumer	20		—		20		99		3,127		228		3,474
Total	$	6,807	$	2,292	$	9,099	$	16,114	$	5,840,236	$	41,675	$	5,907,124
	December 31, 2015
	30-89 Days Past Due (1)		90 Days Or More Past Due(1)		Total Past Due (1)		Non- Accrual		Current (2)		Purchased- Credit- Impaired Loans (3)		Total Loans (4)
(amounts in thousands)
Multi-family	$	—	$	—	$	—	$	—	$	2,905,789	$	3,650	$	2,909,439
Commercial and industrial	39		—		39		1,973		799,595		1,552		803,159
Commercial real estate - owner occupied	268		—		268		2,700		292,312		12,961		308,241
Commercial real estate - non-owner occupied	1,997		—		1,997		1,307		940,895		12,056		956,255
Construction	—		—		—		—		87,006		234		87,240
Residential real estate	2,986		—		2,986		2,202		257,984		8,441		271,613
Manufactured housing (5)	3,752		2,805		6,557		2,449		101,132		3,352		113,490
Other consumer	107		—		107		140		3,227		234		3,708
Total	$	9,149	$	2,805	$	11,954	$	10,771	$	5,387,940	$	42,480	$	5,453,145

(1) Includes past due loans that are accruing interest because collection is considered probable.

(2) Loans where next payment due is less than 30 days from the report date.

(3) Purchased-credit-impaired loans aggregated into a pool are accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows, and the past due status of the pools, or that of the individual loans within the pools, is not meaningful. Because of the credit impaired nature of the loans, the loans are recorded at a discount reflecting estimated future cash flows and the Bank recognizes interest income on each pool of loans reflecting the estimated yield and passage of time. Such loans are considered to be performing. Purchased-credit-impaired loans that are not in pools accrete interest when the timing and amount of their expected cash flows are reasonably estimable, and are reported as performing loans.

(4) Amounts exclude deferred costs and fees, unamortized premiums and discounts, and the allowance for loan losses.

(5) Manufactured housing loans purchased in 2010 are subject to cash reserves held at the Bank that are used to fund past-due payments when the loan becomes 90 days or more delinquent. Subsequent purchases are subject to varying provisions in the event of borrowers’ delinquencies.

Schedule of Allowance for Loan Losses

The changes in the allowance for loan losses for the three months ended March 31, 2016 and 2015 and the loans and allowance for loan losses by loan class based on impairment evaluation method as of March 31, 2016 and December 31, 2015 are as follows. The amounts presented for the provision for loan losses below do not include the effect of changes to estimated benefits resulting from the FDIC loss share arrangements for the covered loans.

Three Months Ended March 31, 2016	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction			Residential Real Estate		Manufactured Housing			Other Consumer			Total
(amounts in thousands)
Ending Balance, December 31, 2015	$	12,016	$	8,864	$	1,348	$	8,420	$	1,074		$	3,298	$	494		$	133		$	35,647
Charge-offs	—		—		—		—		—			—		—			(42		)	(42		)
Recoveries	—		56		—		8		433			—		—			—			497
Provision for loan losses	119		1,039		62		120		(243		)	378		(26		)	54			1,503
Ending Balance, March 31, 2016	$	12,135	$	9,959	$	1,410	$	8,548	$	1,264		$	3,676	$	468		$	145		$	37,605
As of March 31, 2016
Loans:
Individually evaluated for impairment	$	393	$	27,286	$	9,936	$	4,624	$	—		$	4,843	$	8,898		$	98		$	56,078
Collectively evaluated for impairment	3,206,176		819,919		289,038		1,035,670		102,827			253,975		98,618			3,148			5,809,371
Loans acquired with credit deterioration	3,608		1,470		12,740		11,868		234			8,213		3,314			228			41,675
	$	3,210,177	$	848,675	$	311,714	$	1,052,162	$	103,061		$	267,031	$	110,830		$	3,474		$	5,907,124
Allowance for loan losses:
Individually evaluated for impairment	$	209	$	2,834	$	1	$	135	$	—		$	445	$	—		$	46		$	3,670
Collectively evaluated for impairment	11,926		6,906		1,409		4,229		1,264			2,193		97			43			28,067
Loans acquired with credit deterioration	—		219		—		4,184		—			1,038		371			56			5,868
	$	12,135	$	9,959	$	1,410	$	8,548	$	1,264		$	3,676	$	468		$	145		$	37,605

Three Months Ended March 31, 2015	Multi-family			Commercial and Industrial			Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied			Construction			Residential Real Estate		Manufactured Housing		Other Consumer			Total
(amounts in thousands)
Ending Balance, December 31, 2014	$	8,493		$	4,784		$	4,336	$	9,198		$	1,047		$	2,698	$	262	$	114		$	30,932
Charge-offs	—			(21		)	—		(318		)	(769		)	—		—		(36		)	(1,144		)
Recoveries	—			22			14		9			15			—		—		83			143
Provision for loan losses	(297		)	1,962			233		849			559			297		84		(52		)	3,635
Ending Balance, March 31, 2015	$	8,196		$	6,747		$	4,583	$	9,738		$	852		$	2,995	$	346	$	109		$	33,566
As of December 31, 2015
Loans:
Individually evaluated for impairment	$	661		$	17,621		$	8,329	$	4,831		$	—		$	4,726	$	8,300	$	140		$	44,608
Collectively evaluated for impairment	2,905,128			783,986			286,951		939,368			87,006			258,446		101,838		3,334			5,366,057
Loans acquired with credit deterioration	3,650			1,552			12,961		12,056			234			8,441		3,352		234			42,480
	$	2,909,439		$	803,159		$	308,241	$	956,255		$	87,240		$	271,613	$	113,490	$	3,708		$	5,453,145
Allowance for loan losses:
Individually evaluated for impairment	$	—		$	1,990		$	1	$	148		$	—		$	84	$	—	$	50		$	2,273
Collectively evaluated for impairment	12,016			6,650			1,347		3,858			1,074			2,141		98		28			27,212
Loans acquired with credit deterioration	—			224			—		4,414			—			1,073		396		55			6,162
	$	12,016		$	8,864		$	1,348	$	8,420		$	1,074		$	3,298	$	494	$	133		$	35,647

Summary of Recorded Investment Net Charge-Offs, Unpaid Principal Balance and Related Allowance for Impaired Loans

The following tables present the recorded investment (net of charge-offs), unpaid principal balance, and related allowance by loan type for loans that are individually evaluated for impairment as of March 31, 2016 and December 31, 2015 and the average recorded investment and interest income recognized for the three months ended March 31, 2016 and 2015. Purchased-credit-impaired loans are considered to be performing and are not included in the tables below.

	March 31, 2016						Three Months Ended March 31, 2016
	Recorded Investment Net of Charge offs		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
(amounts in thousands)
With no related allowance recorded:
Multi-family	$	—	$	—	$	—	$	331	$	—
Commercial and industrial	18,950		19,921		—		15,503		187
Commercial real estate owner occupied	9,924		9,924		—		9,121		94
Commercial real estate non-owner occupied	4,083		4,083		—		4,180		23
Construction	—		—		—		—		—
Other consumer	45		45		—		47		—
Residential real estate	4,154		4,154		—		4,243		24
Manufactured housing	8,898		8,898		—		8,599		109
With an allowance recorded:
Multi-family	393		393		209		197		5
Commercial and industrial	8,336		8,685		2,834		6,951		71
Commercial real estate owner occupied	12		12		1		12		—
Commercial real estate non-owner occupied	541		541		135		548		2
Construction	—		—		—		—		—
Other consumer	53		53		46		73		—
Residential real estate	689		689		445		542		—
Total	$	56,078	$	57,398	$	3,670	$	50,347	$	515

	December 31, 2015						Three Months Ended March 31, 2015
	Recorded Investment Net of Charge offs		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
(amounts in thousands)
With no related allowance recorded:
Multi-family	$	661	$	661	$	—	$	—	$	—
Commercial and industrial	12,056		13,028		—		10,374		164
Commercial real estate owner occupied	8,317		8,317		—		8,668		110
Commercial real estate non-owner occupied	4,276		4,276		—		6,587		83
Construction	—		—		—		2,325		—
Other consumer	48		48		—		21		—
Residential real estate	4,331		4,331		—		3,781		21
Manufactured housing	8,300		8,300		—		2,653		23
With an allowance recorded:
Commercial and industrial	5,565		5,914		1,990		4,156		5
Commercial real estate - owner occupied	12		12		1		800		—
Commercial real estate non-owner occupied	555		555		148		610		—
Construction	—		—		—		—		—
Other consumer	92		92		50		84		1
Residential real estate	395		395		84		364		—
Total	$	44,608	$	45,929	$	2,273	$	40,423	$	407

Analysis of Loans Modified in Troubled Debt Restructuring by Type of Concession

The following is an analysis of loans modified in a troubled debt restructuring by type of concession for the three months ended March 31, 2016 and 2015. There were no modifications that involved forgiveness of debt.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
(dollars in thousands)
Extensions of maturity	3	$	1,995	—	$	—
Interest-rate reductions	23	864		3	405
Total	26	$	2,859	3	$	405

Summary of Loans Modified in Troubled Debt Restructurings and Related Recorded Investment

The following table provides, by loan type, the number of loans modified in troubled debt restructurings and the related recorded investment during the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016			Three Months Ended March 31, 2015
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
(dollars in thousands)
Commercial and industrial	1	$	76	—	$	—
Commercial real estate non-owner occupied	1	1,844		—	—
Manufactured housing	23	864		2	207
Residential real estate	1	75		1	198
Total loans	26	$	2,859	3	$	405

Changes in Accretable Yield Related to Purchased-credit-impaired Loans

The changes in accretable yield related to purchased-credit-impaired loans for the three months ended March 31, 2016 and 2015 were as follows:

	Three Months Ended March 31,
	2016			2015
(amounts in thousands)
Accretable yield balance, ending balance prior year	$	12,947		$	17,606
Accretion to interest income	(470		)	(660		)
Reclassification from nonaccretable difference and disposals, net	145			(1,522		)
Accretable yield balance, end of period	$	12,622		$	15,424

Schedule of Changes in Allowance for Loan Losses

The following table presents changes in the allowance for loan losses and the FDIC loss sharing receivable, including the effect of the estimated clawback liability for the three months ended March 31, 2016 and 2015.

	Allowance for Loan Losses
	Three Months Ended March 31,
(amounts in thousands)	2016			2015
Ending balance, prior year	$	35,647		$	30,932
Provision for loan losses (1)	1,503			3,635
Charge-offs	(42		)	(1,144		)
Recoveries	497			143
Ending balance	$	37,605		$	33,566

Schedule of FDIC Loss Sharing Receivable

	FDIC Loss Sharing Receivable/ Clawback Liability
	Three Months Ended March 31,
(amounts in thousands)	2016			2015
Ending balance, prior year	$	(2,083	)	$	2,320
Increased (decreased) estimated cash flows (2)	(477		)	671
Other activity, net (a)	(304		)	134
Cash payments to the FDIC	320			302
Ending balance	$	(2,544	)	$	3,427
(1) Provision for loan losses	$	1,503		$	3,635
(2) Effect attributable to FDIC loss share arrangements	477			(671		)
Net amount reported as provision for loan losses	$	1,980		$	2,964

(a) Includes external costs, such as legal fees, real estate taxes, and appraisal expenses, which qualify for reimbursement under loss sharing arrangements

Credit Ratings of Covered and Non-Covered Loan Portfolio

The following tables present the credit ratings of the loans receivable portfolio as of March 31, 2016 and December 31, 2015.

	March 31, 2016
	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction		Residential Real Estate		Manufactured Housing		Other Consumer		Total
(amounts in thousands)
Pass/Satisfactory	$	3,208,368	$	820,836	$	299,042	$	1,047,331	$	103,061	$	263,517	$	—	$	—	$	5,742,155
Special Mention	393		19,911		8,059		2,053		—		280		—		—		30,696
Substandard	1,416		7,928		4,613		2,778		—		3,234		—		—		19,969
Performing (1)	—		—		—		—		—		—		102,886		3,355		106,241
Non-performing (2)	—		—		—		—		—		—		7,944		119		8,063
Total	$	3,210,177	$	848,675	$	311,714	$	1,052,162	$	103,061	$	267,031	$	110,830	$	3,474	$	5,907,124

	December 31, 2015
	Multi-family		Commercial and Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Non-Owner Occupied		Construction		Residential Real Estate		Manufactured Housing		Other Consumer		Total
(amounts in thousands)
Pass/Satisfactory	$	2,907,362	$	784,892	$	295,762	$	950,886	$	87,240	$	268,210	$	—	$	—	$	5,294,352
Special Mention	661		14,052		7,840		1,671		—		282		—		—		24,506
Substandard	1,416		4,215		4,639		3,698		—		3,121		—		—		17,089
Performing (1)	—		—		—		—		—		—		104,484		3,461		107,945
Non-performing (2)	—		—		—		—		—		—		9,006		247		9,253
Total	$	2,909,439	$	803,159	$	308,241	$	956,255	$	87,240	$	271,613	$	113,490	$	3,708	$	5,453,145

(1) Includes consumer and other installment loans not subject to risk ratings.

(2) Includes loans that are past due and still accruing interest and loans on nonaccrual status.

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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Activity

The following table summarizes stock option activity for the three months ended March 31, 2016.

	Number of Options		Weighted- average Exercise Price		Weighted- average Remaining Contractual Term in Years	Aggregate Intrinsic Value
(amounts in thousands, except Weighted-average exercise price)
Outstanding at December 31, 2015	3,731,761		$	14.33
Granted	10,000		26.55
Exercised	(31,169	)	10.76			394
Forfeited	—		—
Expired	—		—
Outstanding at March 31, 2016	3,710,592		$	14.40	6.55	$	34,290
Exercisable at March 31, 2016	905,561		$	9.57	4.30	$	12,731

Summary of Restricted Stock Activity

The following table summarizes restricted stock unit activity for the three months ended March 31, 2016.

	Restricted Stock Units		Weighted- average Grant- date Fair Value
Outstanding and unvested at December 31, 2015	873,264		$	14.24
Granted	149,706		22.96
Vested	(97,298	)	14.78
Forfeited	(198	)	17.65
Outstanding and unvested at March 31, 2016	925,474		$	15.59

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Regulatory Capital (Tables)

3 Months Ended

Mar. 31, 2016

Banking and Thrift [Abstract]

Summary of Capital Amounts, Tier 1 Risk Based and Tier 1 Leveraged Ratios

To be categorized as well capitalized, an institution must maintain minimum common equity Tier 1, Tier 1 risk based, total risk based and Tier 1 leveraged ratios as set forth in the following table:

	Actual				For Capital Adequacy Purposes (Minimum Plus Capital Buffer)				To Be Well Capitalized Under Prompt Corrective Action Provisions
(amounts in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of March 31, 2016:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	518,117	7.201	%	$	368,754	5.125	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	367,589	5.125	%	$	466,210	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	597,794	8.308	%	$	476,681	6.625	%	N/A		N/A
Customers Bank	$	631,569	8.806	%	$	475,176	6.625	%	$	573,797	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	740,646	10.294	%	$	620,585	8.625	%	N/A		N/A
Customers Bank	$	777,883	10.845	%	$	618,625	8.625	%	$	717,246	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	597,794	7.151	%	$	334,366	4.000	%	N/A		N/A
Customers Bank	$	631,569	7.575	%	$	333,494	4.000	%	$	416,868	5.000	%
As of December 31, 2015:
Common equity Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	500,624	7.610	%	$	296,014	4.500	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	294,916	4.500	%	$	425,990	6.500	%
Tier 1 capital (to risk weighted assets)
Customers Bancorp, Inc.	$	556,193	8.460	%	$	394,685	6.000	%	N/A		N/A
Customers Bank	$	565,217	8.620	%	$	393,221	6.000	%	$	524,295	8.000	%
Total capital (to risk weighted assets)
Customers Bancorp, Inc.	$	698,323	10.620	%	$	526,247	8.000	%	N/A		N/A
Customers Bank	$	710,864	10.850	%	$	524,295	8.000	%	$	655,369	10.000	%
Tier 1 capital (to average assets)
Customers Bancorp, Inc.	$	556,193	7.160	%	$	310,812	4.000	%	N/A		N/A
Customers Bank	$	565,217	7.300	%	$	309,883	4.000	%	$	387,353	5.000	%

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Disclosures About Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Estimated Fair Values of Financial Instruments

The estimated fair values of Customers' financial instruments at March 31, 2016 and December 31, 2015 were as follows:

					Fair Value Measurements at March 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(amounts in thousands)
Assets:
Cash and cash equivalents	$	262,638	$	262,638	$	262,638	$	—	$	—
Investment securities, available for sale	556,165		556,165		17,458		538,707		—
Loans held for sale	1,969,280		1,969,558		—		1,941,602		27,956
Loans receivable, net of allowance for loan losses	5,869,710		5,825,695		—		—		5,825,695
FHLB, Federal Reserve Bank and other restricted stock	92,269		92,269		—		92,269		—
Derivatives	15,324		15,324		—		15,251		73
Liabilities:
Deposits	$	6,478,615	$	6,486,780	$	4,108,287	$	2,378,493	$	—
Federal funds purchased	80,000		80,000		80,000		—		—
FHLB advances	1,633,700		1,635,165		1,323,700		311,465		—
Other borrowings	86,624		84,784		59,784		25,000		—
Subordinated debt	108,709		110,000		—		110,000		—
Derivatives	22,957		22,957		—		22,957		—

					Fair Value Measurements at December 31, 2015
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(amounts in thousands)
Assets:
Cash and cash equivalents	$	264,593	$	264,593	$	264,593	$	—	$	—
Investment securities, available for sale	560,253		560,253		19,212		541,041		—
Loans held for sale	1,797,064		1,797,458		—		1,757,807		39,651
Loans receivable, net of allowance for loan losses	5,417,832		5,353,903		—		—		5,353,903
FHLB, Federal Reserve Bank and other restricted stock	90,841		90,841		—		90,841		—
Derivatives	9,295		9,295		—		9,250		45
Liabilities:
Deposits	$	5,909,501	$	5,911,754	$	3,561,905	$	2,349,849	$	—
Federal funds purchased	70,000		70,000		70,000		—		—
FHLB advances	1,625,300		1,625,468		1,365,300		260,168		—
Other borrowings	86,457		93,804		68,867		24,937		—
Subordinated debt	108,685		110,825		—		110,825		—
Derivatives	13,932		13,932		—		13,932		—

Summary of Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis

For financial assets and liabilities measured at fair value on a recurring and nonrecurring basis, the fair value measurements by level within the fair value hierarchy used at March 31, 2016 and December 31, 2015 were as follows:

	March 31, 2016
	Fair Value Measurements at the End of the Reporting Period Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
(amounts in thousands)
Measured at Fair Value on a Recurring Basis:
Assets
Available-for-sale securities:
Agency-guaranteed residential mortgage-backed securities	$	—	$	286,289	$	—	$	286,289
Agency guaranteed commercial real estate mortgage-backed securities	—		207,397		—		207,397
Corporate notes	—		45,021		—		45,021
Equity securities	17,458		—		—		17,458
Derivatives	—		15,251		73		15,324
Loans held for sale – fair value option	—		1,941,602		—		1,941,602
Total assets - recurring fair value measurements	$	17,458	$	2,495,560	$	73	$	2,513,091
Liabilities
Derivatives	$	—	$	22,957	$	—	$	22,957
Measured at Fair Value on a Nonrecurring Basis:
Assets
Impaired loans, net of specific reserves of $3,670	$	—	$	—	$	6,354	$	6,354
Other real estate owned	—		—		688		688
Total assets - nonrecurring fair value measurements	$	—	$	—	$	7,042	$	7,042

	December 31, 2015
	Fair Value Measurements at the End of the Reporting Period Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
(amounts in thousands)
Measured at Fair Value on a Recurring Basis:
Assets
Available-for-sale securities:
Agency-guaranteed residential mortgage-backed securities	$	—	$	298,104	$	—	$	298,104
Agency-guaranteed commercial real estate mortgage-backed securities	—		202,870		—		202,870
Corporate notes	—		40,067		—		40,067
Equity securities	19,212		—		—		19,212
Derivatives	—		9,250		45		$	9,295
Loans held for sale – fair value option	—		1,757,807		—		1,757,807
Total assets - recurring fair value measurements	$	19,212	$	2,308,098	$	45	$	2,327,355
Liabilities
Derivatives	—		$	13,932	—		$	13,932
Measured at Fair Value on a Nonrecurring Basis:
Assets
Impaired loans, net of specific reserves of $2,273	$	—	$	—	$	4,346	$	4,346
Other real estate owned	—		—		358		358
Total assets - nonrecurring fair value measurements	$	—	$	—	$	4,704	$	4,704

Statement of Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis

The changes in Level 3 assets measured at fair value on a recurring basis for the three months ended March 31, 2016 and 2015 are summarized as follows.

	Three Months Ended March 31,
	2016			2015
	Residential Mortgage Loan Commitments
(amounts in thousands)
Balance at December 31	$	45		$	43
Issuances	73			87
Settlements	(45		)	(43		)
Balance at March 31	$	73		$	87

Summary of Financial Assets and Financial Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis

The following table summarizes financial assets and financial liabilities measured at fair value as of March 31, 2016 and December 31, 2015 on a recurring and nonrecurring basis for which Customers utilized Level 3 inputs to measure fair value.

	Quantitative Information about Level 3 Fair Value Measurements
March 31, 2016	Fair Value Estimate		Valuation Technique	Unobservable Input	Range (Weighted Average) (3)
(amounts in thousands)
Impaired loans	$	6,354	Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Other real estate owned	688		Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Residential mortgage loan commitments	73		Adjusted market bid	Pull-through rate	90%

	Quantitative Information about Level 3 Fair Value Measurements
December 31, 2015	Fair Value Estimate		Valuation Technique	Unobservable Input	Range (Weighted Average) (3)
(amounts in thousands)
Impaired loans	$	4,346	Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Other real estate owned	358		Collateral appraisal (1)	Liquidation expenses (2)	(8)%
Residential mortgage loan commitments	45		Adjusted market bid	Pull-through rate	94%

(1) Obtained from approved independent appraisers. Appraisals are current and in compliance with credit policy. The Bank does not generally discount appraisals.

(2) Fair value is adjusted for estimated costs to sell.

(3) Presented as a percentage of the value determined by appraisal.

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Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value of Derivative Financial Instruments

The following table presents the fair value of Customers' derivative financial instruments as well as their classification on the balance sheet as of March 31, 2016 and December 31, 2015.

	March 31, 2016
	Derivative Assets			Derivative Liabilities
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
(amounts in thousands)
Derivatives designated as cash flow hedges:
Interest rate swaps	Other assets	$	—	Other liabilities	$	7,077
Total		$	—		$	7,077
Derivatives not designated as hedging instruments:
Interest rate swaps	Other assets	$	15,006	Other liabilities	$	15,846
Credit contracts	Other assets	245		Other liabilities	34
Residential mortgage loan commitments	Other assets	73		Other liabilities	—
Total		$	15,324		$	15,880

	December 31, 2015
	Derivative Assets			Derivative Liabilities
	Balance Sheet			Balance Sheet
	Location	Fair Value		Location	Fair Value
(amounts in thousands)
Derivatives designated as cash flow hedges:
Interest rate swaps	Other assets	$	—	Other liabilities	$	4,477
Total		$	—		$	4,477
Derivatives not designated as hedging instruments:
Interest rate swaps	Other assets	$	9,088	Other liabilities	$	9,455
Credit contracts	Other assets	162		Other liabilities	—
Residential mortgage loan commitments	Other assets	45		Other liabilities	—
Total		$	9,295		$	9,455

Effect of Derivative Financial Instruments on Comprehensive Income

The following tables present the effect of Customers' derivative financial instruments on comprehensive income for the three months ended March 31, 2016 and 2015.

	Three Months Ended March 31, 2016
	Income Statement Location	Amount of Income  (Loss) Recognized in Earnings
(amounts in thousands)
Derivatives not designated as hedging instruments:
Interest rate swaps	Other non-interest income	$	(472	)
Credit contracts	Other non-interest income	249
Residential mortgage loan commitments	Mortgage loan and banking income	28
Total		$	(195	)

	Three Months Ended March 31, 2015
	Income Statement Location	Amount of Income Recognized in Earnings
(amounts in thousands)
Derivatives not designated as hedging instruments:
Interest rate swaps	Other non-interest income	$	121
Credit contracts	Other non-interest income	30
Residential mortgage loan commitments	Mortgage loan and banking income	44
Total		$	195

	Three Months Ended March 31, 2016
	Amount of Loss Recognized in OCI on Derivatives (Effective Portion) (1)			Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
(amounts in thousands)
Derivatives in cash flow hedging relationships:
Interest rate swaps	$	(1,625	)	Interest expense	$	—

	Three Months Ended March 31, 2015
	Amount of Loss Recognized in OCI on Derivatives (Effective Portion) (1)			Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
(amounts in thousands)
Derivatives in cash flow hedging relationships:
Interest rate swaps	$	(1,168	)	Interest expense	$	—

(1) Amounts presented are net of taxes

Summary of Offsetting of Financial Assets and Derivative Assets

Offsetting of Financial Assets and Derivative Assets

At December 31, 2015

Gross Amount of Recognized Assets

Gross Amounts Offset in the Consolidated Balance Sheet

Net Amounts of Assets Presented in the Consolidated Balance Sheet

Gross Amounts Not Offset in the Consolidated Balance Sheet

Net Amount

Financial Instruments

Cash Collateral Received

(amounts in thousands)

Description

Interest rate swap derivatives with institutional counterparties

$

—

$

—

$

—

$

—

$

—

$

—

Offsetting of Financial Assets and Derivative Assets

At March 31, 2016

Gross Amount of Recognized Assets

Gross Amounts Offset in the Consolidated Balance Sheet

Net Amounts of Assets Presented in the Consolidated Balance Sheet

Gross Amounts Not Offset in the Consolidated Balance Sheet

Net Amount

Financial Instruments

Cash Collateral Received

(amounts in thousands)

Description

Interest rate swap derivatives with institutional counterparties

$

—

$

—

$

—

$

—

$

—

$

—

Summary of Offsetting of Financial Liabilities and Derivative Liabilities

Offsetting of Financial Liabilities and Derivative Liabilities

At December 31, 2015

	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet		Gross Amounts Not Offset in the Consolidated Balance Sheet				Net Amount
							Financial Instruments		Cash Collateral Pledged
(amounts in thousands)
Description
Interest rate swap derivatives with institutional counterparties	$	13,932	$	—	$	13,932	$	—	$	13,932	$	—

Offsetting of Financial Liabilities and Derivative Liabilities

At March 31, 2016

	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet		Gross Amounts Not Offset in the Consolidated Balance Sheet
							Financial Instruments		Cash Collateral Pledged		Net Amount
(amounts in thousands)
Description
Interest rate swap derivatives with institutional counterparties	$	22,923	$	—	$	22,923	$	—	$	22,832	$	91

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Description of the Business - Additional Information (Detail)	Mar. 31, 2016 Branch
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of branches	14

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Acquisition Activity - Additional Information (Detail) - Scenario, Forecast - Higher One, Inc's Disbursements Business $ in Millions			24 Months Ended
	Jul. 01, 2017 USD ($)	Jul. 01, 2016 USD ($) employee	Jul. 01, 2018 USD ($)
Capital Unit [Line Items]
Number of employees hired (employee) | employee		225
Payments for acquisition	$ 10	$ 17	$ 42
Payments under transition services agreement		$ 5

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Significant Accounting Policies and Basis of Presentation (Details) - Adjustments for New Accounting Pronouncement $ in Millions	Dec. 31, 2015 USD ($)
Other Borrowings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt issuance costs	$ 1.8
Subordinated Debt
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt issuance costs	1.3
Other Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt issuance costs	$ (3.1)

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Changes in Accumulated Other Comprehensive Income (Loss) By Component (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ (7,984)	$ (122)
Other comprehensive (loss) before reclassifications	2,667	(925)
Amounts reclassified from accumulated other comprehensive loss to net income	(16)	0
Net current-period other comprehensive (loss)	2,651	(925)
Ending balance	(5,333)	(1,047)
Unrealized Gains (Losses)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(4,602)	1,156
Other comprehensive (loss) before reclassifications	4,255	121
Amounts reclassified from accumulated other comprehensive loss to net income	(16)	0
Net current-period other comprehensive (loss)	4,239	121
Ending balance	(363)	1,277
Foreign Currency Items
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(584)	(14)
Other comprehensive (loss) before reclassifications	37	122
Amounts reclassified from accumulated other comprehensive loss to net income	0	0
Net current-period other comprehensive (loss)	37	122
Ending balance	(547)	108
Total Unrealized Gains (Losses)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(5,186)	1,142
Other comprehensive (loss) before reclassifications	4,292	243
Amounts reclassified from accumulated other comprehensive loss to net income	(16)	0
Net current-period other comprehensive (loss)	4,276	243
Ending balance	(910)	1,385
Unrealized Loss on Cash Flow Hedge
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(2,798)	(1,264)
Other comprehensive (loss) before reclassifications	(1,625)	(1,168)
Amounts reclassified from accumulated other comprehensive loss to net income	0	0
Net current-period other comprehensive (loss)	(1,625)	(1,168)
Ending balance	$ (4,423)	$ (2,432)

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Earnings Per Share - Components of Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net income available to common shareholders	$ 16,413	$ 13,952
Weighted-average number of common shares outstanding - basic (shares)	26,945,062	26,777,389
Share-based compensation plans (shares)	1,530,409	1,276,340
Warrants (shares)	307,630	284,074
Weighted-average number of common shares - diluted (shares)	28,783,101	28,337,803
Basic earnings per common share (usd per share)	$ 0.61	$ 0.52
Diluted earnings per common share (usd per share)	$ 0.57	$ 0.49

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Earnings Per Share - Anti-dilutive Securities Excluded from Computation of Earnings Per Share (Detail) - shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Anti-dilutive securities:
Total anti-dilutive securities (shares)	659,237	70,925
Share-based compensation awards
Anti-dilutive securities:
Total anti-dilutive securities (shares)	606,995	18,683
Warrants
Anti-dilutive securities:
Total anti-dilutive securities (shares)	52,242	52,242

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Investment Securities - Summary of Amortized Cost and Approximate Fair Value of Investment Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 557,621	$ 568,550
Gross Unrealized Gains	5,147	1,773
Gross Unrealized Losses	(6,603)	(10,070)
Fair Value	556,165	560,253
Corporate notes
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	44,927	39,925
Gross Unrealized Gains	303	320
Gross Unrealized Losses	(209)	(178)
Fair Value	45,021	40,067
Agency-guaranteed residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	285,259	299,392
Gross Unrealized Gains	2,359	1,453
Gross Unrealized Losses	(1,329)	(2,741)
Fair Value	286,289	298,104
Agency-guaranteed commercial real estate mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	204,921	206,719
Gross Unrealized Gains	2,485	0
Gross Unrealized Losses	(9)	(3,849)
Fair Value	207,397	202,870
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	22,514	22,514
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(5,056)	(3,302)
Fair Value	$ 17,458	$ 19,212

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Investment Securities - Statement of Proceeds from Sale of Available for Sale Investment Securities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Proceeds from sale of available-for-sale securities	$ 2,848	$ 0
Gross gains	26	0
Gross losses	0	0
Net gains	$ 26	$ 0

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Investment Securities - Summary of Available-for-Sale Debt Securities by Stated Maturity (Detail) $ in Thousands	Mar. 31, 2016 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Due in one year or less, amortized cost	$ 0
Due after one year through five years, amortized cost	0
Due after five years through ten years, amortized cost	37,927
Due after ten years, amortized cost	7,000
Total debt securities, amortized cost	535,107
Due in one year or less, fair value	0
Due after one year through five years, fair value	0
Due after five years through ten years, fair value	37,911
Due after ten years, fair value	7,110
Total debt securities, fair value	538,707
Agency-guaranteed residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Agency-guaranteed mortgage backed securities, amortized cost	285,259
Agency-guarenteed mortgage-backed securities, fair value	286,289
Agency-guaranteed commercial real estate mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Agency-guaranteed mortgage backed securities, amortized cost	204,921
Agency-guarenteed mortgage-backed securities, fair value	$ 207,397

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Investment Securities - Gross Unrealized Losses and Fair Value, Aggregated by Investment Category (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	$ 70,982	$ 334,656
Less Than 12 Months, Unrealized Losses	(5,296)	(7,863)
12 Months or More, Fair Value	56,610	57,363
12 Months or More, Unrealized Losses	(1,307)	(2,207)
Fair Value, Total	127,592	392,019
Gross Unrealized Losses	(6,603)	(10,070)
Corporate notes
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	18,718	9,748
Less Than 12 Months, Unrealized Losses	(209)	(178)
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Fair Value, Total	18,718	9,748
Gross Unrealized Losses	(209)	(178)
Agency-guaranteed residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	13,858	102,832
Less Than 12 Months, Unrealized Losses	(23)	(535)
12 Months or More, Fair Value	56,604	57,357
12 Months or More, Unrealized Losses	(1,306)	(2,206)
Fair Value, Total	70,462	160,189
Gross Unrealized Losses	(1,329)	(2,741)
Agency-guaranteed commercial real estate mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	20,954	202,870
Less Than 12 Months, Unrealized Losses	(9)	(3,849)
12 Months or More, Fair Value	0	0
12 Months or More, Unrealized Losses	0	0
Fair Value, Total	20,954	202,870
Gross Unrealized Losses	(9)	(3,849)
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	17,452	19,206
Less Than 12 Months, Unrealized Losses	(5,055)	(3,301)
12 Months or More, Fair Value	6	6
12 Months or More, Unrealized Losses	(1)	(1)
Fair Value, Total	17,458	19,212
Gross Unrealized Losses	$ (5,056)	$ (3,302)

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Investment Securities - Additional Information (Detail) $ in Millions	Mar. 31, 2016 USD ($) Security	Dec. 31, 2015 USD ($)
Investments, Debt and Equity Securities [Abstract]
Number of available-for-sale investment securities in the less than twelve month category (security)	8
Number of available-for-sale investment securities in the twelve month or more category (security)	13
Pledged investment securities fair value | $	$ 286.3	$ 299.8

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Loans Held for Sale - Composition of Loans Held for Sale (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Mar. 31, 2016	Dec. 31, 2015
Receivables Held-for-sale [Abstract]
Mortgage warehouse loans at fair value		$ 1,940,558	$ 1,754,950
Multi-family loans at lower of cost or fair value		27,678	39,257
Commercial loans held for sale		1,968,236	1,794,207
Residential mortgage loans at fair value		1,044	2,857
Loans held for sale		$ 1,969,280	$ 1,797,064
Transfer of loans held for sale to held for investment	$ 30,400

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Loans Receivable and Allowance for Loan Losses - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) Commitment Loan	Mar. 31, 2015 USD ($) Loan	Dec. 31, 2015 USD ($) Commitment
Financing Receivable, Modifications [Line Items]
Funds for reimbursement	$ 1.4		$ 1.2
Loans reported as TDR	$ 14.0		$ 11.4
Minimum performance requirement (months)	6 months
Number of commitments to lend additional funds (commitment) | Commitment	0		0
Loans modified as TDR allowance	3	0
Loans receivable, covered	$ 13.2		$ 13.8
FDIC Loss Sharing Arrangement, clawback liability payment date (days)	45 days
FDIC Loss Sharing Arrangement, clawback liability	$ 2.4
FDIC Loss Sharing Arrangement, expected FDIC receivable	0.1
FDIC Loss Sharing Arrangement, clawback liability net of FDIC receivable	2.5
Residential real estate
Financing Receivable, Modifications [Line Items]
Residential real estate held in other real estate owned	1.2		1.2
Loans in process of foreclosure	$ 0.9		$ 0.6
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of loans modified as TDR (loan) | Loan	2
Loans modified as TDR	$ 0.5
Loans modified as TDR allowance	2
Allowance for credit losses, effect of change in method	$ 0.2
Commercial real estate - non-owner occupied
Financing Receivable, Modifications [Line Items]
Number of loans modified as TDR (loan) | Loan	1
Loans modified as TDR	$ 0.2
Loans modified as TDR allowance	1
Allowance for credit losses, effect of change in method	$ 0.1
Manufactured housing
Financing Receivable, Modifications [Line Items]
Number of loans modified as TDR (loan) | Loan	36	6
Loans modified as TDR	$ 1.9	$ 0.5

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Loans Receivable and Allowance for Loan Losses - Schedule of Loans Receivable (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 5,907,124	$ 5,453,145
Deferred costs and unamortized premiums, net	191	334
Allowance for loan losses	(37,605)	(35,647)	$ (33,566)	$ (30,932)
Total loans receivable, net of allowance for loan losses	5,869,710	5,417,832
Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(12,135)	(12,016)	(8,196)	(8,493)
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(9,959)	(8,864)	(6,747)	(4,784)
Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(8,548)	(8,420)	(9,738)	(9,198)
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(1,264)	(1,074)	(852)	(1,047)
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(3,676)	(3,298)	(2,995)	(2,698)
Manufactured housing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(468)	(494)	(346)	(262)
Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(145)	(133)	$ (109)	$ (114)
Commercial Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	5,525,789	5,064,334
Commercial Loan | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	3,210,177	2,909,439
Commercial Loan | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,160,389	1,111,400
Commercial Loan | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,052,162	956,255
Commercial Loan | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	103,061	87,240
Consumer Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	381,335	388,811
Consumer Loan | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	267,031	271,613
Consumer Loan | Manufactured housing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	110,830	113,490
Consumer Loan | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 3,474	$ 3,708

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Loans Receivable and Allowance for Loan Losses - Non-Covered Loans and Covered Loans by Class and Performance Status (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 5,907,315	$ 5,453,479
Due days for loan payments	30 days
Delinquent period	90 days
Non-covered Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	$ 6,807	9,149
90 Days or More Past Due	2,292	2,805
Total Past Due	9,099	11,954
Non-Accrual	16,114	10,771
Current	5,840,236	5,387,940
Purchased Credit-Impaired Loans	41,675	42,480
Total Loans	5,907,124	5,453,145
Non-covered Loans | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	0	0
90 Days or More Past Due	0	0
Total Past Due	0	0
Non-Accrual	0	0
Current	3,206,569	2,905,789
Purchased Credit-Impaired Loans	3,608	3,650
Total Loans	3,210,177	2,909,439
Non-covered Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	4	39
90 Days or More Past Due	0	0
Total Past Due	4	39
Non-Accrual	6,035	1,973
Current	841,166	799,595
Purchased Credit-Impaired Loans	1,470	1,552
Total Loans	848,675	803,159
Non-covered Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	0	268
90 Days or More Past Due	0	0
Total Past Due	0	268
Non-Accrual	2,689	2,700
Current	296,285	292,312
Purchased Credit-Impaired Loans	12,740	12,961
Total Loans	311,714	308,241
Non-covered Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	0	1,997
90 Days or More Past Due	0	0
Total Past Due	0	1,997
Non-Accrual	2,610	1,307
Current	1,037,684	940,895
Purchased Credit-Impaired Loans	11,868	12,056
Total Loans	1,052,162	956,255
Non-covered Loans | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	0	0
90 Days or More Past Due	0	0
Total Past Due	0	0
Non-Accrual	0	0
Current	102,827	87,006
Purchased Credit-Impaired Loans	234	234
Total Loans	103,061	87,240
Non-covered Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	3,487	2,986
90 Days or More Past Due	0	0
Total Past Due	3,487	2,986
Non-Accrual	2,325	2,202
Current	253,006	257,984
Purchased Credit-Impaired Loans	8,213	8,441
Total Loans	267,031	271,613
Non-covered Loans | Manufactured housing
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	3,296	3,752
90 Days or More Past Due	2,292	2,805
Total Past Due	5,588	6,557
Non-Accrual	2,356	2,449
Current	99,572	101,132
Purchased Credit-Impaired Loans	3,314	3,352
Total Loans	110,830	113,490
Non-covered Loans | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	20	107
90 Days or More Past Due	0	0
Total Past Due	20	107
Non-Accrual	99	140
Current	3,127	3,227
Purchased Credit-Impaired Loans	228	234
Total Loans	$ 3,474	$ 3,708

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Loans Receivable and Allowance for Loan Losses - Schedule of Allowance for Loan Losses (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Dec. 31, 2015
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 35,647	$ 30,932
Charge-offs	(42)	(1,144)
Recoveries	497	143
Provision for loan losses	1,503	3,635
Ending balance	37,605	33,566
Loans:
Individually evaluated for impairment			$ 56,078	$ 44,608
Collectively evaluated for impairment			5,809,371	5,366,057
Total loans receivable			5,907,124	5,453,145
Allowance for loan losses:
Individually evaluated for impairment			3,670	2,273
Collectively evaluated for impairment			28,067	27,212
Total Allowance for loan losses	35,647	30,932	37,605	35,647
Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			41,675	42,480
Allowance for loan losses:
Loans acquired with credit deterioration			5,868	6,162
Multi-family
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	12,016	8,493
Charge-offs	0	0
Recoveries	0	0
Provision for loan losses	119	(297)
Ending balance	12,135	8,196
Loans:
Individually evaluated for impairment			393	661
Collectively evaluated for impairment			3,206,176	2,905,128
Total loans receivable			3,210,177	2,909,439
Allowance for loan losses:
Individually evaluated for impairment			209	0
Collectively evaluated for impairment			11,926	12,016
Total Allowance for loan losses	12,016	8,493	12,135	12,016
Multi-family | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			3,608	3,650
Allowance for loan losses:
Loans acquired with credit deterioration			0	0
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	8,864	4,784
Charge-offs	0	(21)
Recoveries	56	22
Provision for loan losses	1,039	1,962
Ending balance	9,959	6,747
Loans:
Individually evaluated for impairment			27,286	17,621
Collectively evaluated for impairment			819,919	783,986
Total loans receivable			848,675	803,159
Allowance for loan losses:
Individually evaluated for impairment			2,834	1,990
Collectively evaluated for impairment			6,906	6,650
Total Allowance for loan losses	8,864	4,784	9,959	8,864
Commercial and industrial | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			1,470	1,552
Allowance for loan losses:
Loans acquired with credit deterioration			219	224
Commercial real estate - owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	1,348	4,336
Charge-offs	0	0
Recoveries	0	14
Provision for loan losses	62	233
Ending balance	1,410	4,583
Loans:
Individually evaluated for impairment			9,936	8,329
Collectively evaluated for impairment			289,038	286,951
Total loans receivable			311,714	308,241
Allowance for loan losses:
Individually evaluated for impairment			1	1
Collectively evaluated for impairment			1,409	1,347
Total Allowance for loan losses	1,348	4,336	1,410	1,348
Commercial real estate - owner occupied | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			12,740	12,961
Allowance for loan losses:
Loans acquired with credit deterioration			0	0
Commercial real estate - non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	8,420	9,198
Charge-offs	0	(318)
Recoveries	8	9
Provision for loan losses	120	849
Ending balance	8,548	9,738
Loans:
Individually evaluated for impairment			4,624	4,831
Collectively evaluated for impairment			1,035,670	939,368
Total loans receivable			1,052,162	956,255
Allowance for loan losses:
Individually evaluated for impairment			135	148
Collectively evaluated for impairment			4,229	3,858
Total Allowance for loan losses	8,420	9,198	8,548	8,420
Commercial real estate - non-owner occupied | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			11,868	12,056
Allowance for loan losses:
Loans acquired with credit deterioration			4,184	4,414
Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	1,074	1,047
Charge-offs	0	(769)
Recoveries	433	15
Provision for loan losses	(243)	559
Ending balance	1,264	852
Loans:
Individually evaluated for impairment			0	0
Collectively evaluated for impairment			102,827	87,006
Total loans receivable			103,061	87,240
Allowance for loan losses:
Individually evaluated for impairment			0	0
Collectively evaluated for impairment			1,264	1,074
Total Allowance for loan losses	1,074	1,047	1,264	1,074
Construction | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			234	234
Allowance for loan losses:
Loans acquired with credit deterioration			0	0
Residential real estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	3,298	2,698
Charge-offs	0	0
Recoveries	0	0
Provision for loan losses	378	297
Ending balance	3,676	2,995
Loans:
Individually evaluated for impairment			4,843	4,726
Collectively evaluated for impairment			253,975	258,446
Total loans receivable			267,031	271,613
Allowance for loan losses:
Individually evaluated for impairment			445	84
Collectively evaluated for impairment			2,193	2,141
Total Allowance for loan losses	3,298	2,698	3,676	3,298
Residential real estate | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			8,213	8,441
Allowance for loan losses:
Loans acquired with credit deterioration			1,038	1,073
Manufactured housing
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	494	262
Charge-offs	0	0
Recoveries	0	0
Provision for loan losses	(26)	84
Ending balance	468	346
Loans:
Individually evaluated for impairment			8,898	8,300
Collectively evaluated for impairment			98,618	101,838
Total loans receivable			110,830	113,490
Allowance for loan losses:
Individually evaluated for impairment			0	0
Collectively evaluated for impairment			97	98
Total Allowance for loan losses	494	262	468	494
Manufactured housing | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			3,314	3,352
Allowance for loan losses:
Loans acquired with credit deterioration			371	396
Other consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	133	114
Charge-offs	(42)	(36)
Recoveries	0	83
Provision for loan losses	54	(52)
Ending balance	145	109
Loans:
Individually evaluated for impairment			98	140
Collectively evaluated for impairment			3,148	3,334
Total loans receivable			3,474	3,708
Allowance for loan losses:
Individually evaluated for impairment			46	50
Collectively evaluated for impairment			43	28
Total Allowance for loan losses	$ 133	$ 114	145	133
Other consumer | Receivables Acquired with Deteriorated Credit Quality
Loans:
Loans acquired with credit deterioration			228	234
Allowance for loan losses:
Loans acquired with credit deterioration			$ 56	$ 55

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Loans Receivable and Allowance for Loan Losses - Summary of Recorded Investment Net Charge-Offs, Unpaid Principal Balance and Related Allowance for Impaired Loans (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, Total	$ 56,078		$ 44,608
Unpaid Principal Balance, Total	57,398		45,929
Related Allowance	3,670		2,273
Average Recorded Investment, Total	50,347	$ 40,423
Interest Income Recognized, Total	515	407
Multi-family
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	0		661
Recorded Investment Net of Charge Offs, With an allowance recorded	393
Unpaid Principal Balance, With no related allowance recorded	0		661
Unpaid Principal Balance, With an allowance recorded	393
Related Allowance	209
Average Recorded Investment, With no related allowance recorded	331	0
Average Recorded Investment, With an allowance recorded	197
Interest Income Recognized, With no related allowance recorded	0	0
Interest Income Recognized, With an allowance recorded	5
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	18,950		12,056
Recorded Investment Net of Charge Offs, With an allowance recorded	8,336		5,565
Unpaid Principal Balance, With no related allowance recorded	19,921		13,028
Unpaid Principal Balance, With an allowance recorded	8,685		5,914
Related Allowance	2,834		1,990
Average Recorded Investment, With no related allowance recorded	15,503	10,374
Average Recorded Investment, With an allowance recorded	6,951	4,156
Interest Income Recognized, With no related allowance recorded	187	164
Interest Income Recognized, With an allowance recorded	71	5
Commercial real estate - owner occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	9,924		8,317
Recorded Investment Net of Charge Offs, With an allowance recorded	12		12
Unpaid Principal Balance, With no related allowance recorded	9,924		8,317
Unpaid Principal Balance, With an allowance recorded	12		12
Related Allowance	1		1
Average Recorded Investment, With no related allowance recorded	9,121	8,668
Average Recorded Investment, With an allowance recorded	12	800
Interest Income Recognized, With no related allowance recorded	94	110
Interest Income Recognized, With an allowance recorded	0	0
Commercial real estate - non-owner occupied
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	4,083		4,276
Recorded Investment Net of Charge Offs, With an allowance recorded	541		555
Unpaid Principal Balance, With no related allowance recorded	4,083		4,276
Unpaid Principal Balance, With an allowance recorded	541		555
Related Allowance	135		148
Average Recorded Investment, With no related allowance recorded	4,180	6,587
Average Recorded Investment, With an allowance recorded	548	610
Interest Income Recognized, With no related allowance recorded	23	83
Interest Income Recognized, With an allowance recorded	2	0
Construction
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	0		0
Recorded Investment Net of Charge Offs, With an allowance recorded	0		0
Unpaid Principal Balance, With no related allowance recorded	0		0
Unpaid Principal Balance, With an allowance recorded	0		0
Related Allowance	0		0
Average Recorded Investment, With no related allowance recorded	0	2,325
Average Recorded Investment, With an allowance recorded	0	0
Interest Income Recognized, With no related allowance recorded	0	0
Interest Income Recognized, With an allowance recorded	0	0
Other consumer
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	45		48
Recorded Investment Net of Charge Offs, With an allowance recorded	53		92
Unpaid Principal Balance, With no related allowance recorded	45		48
Unpaid Principal Balance, With an allowance recorded	53		92
Related Allowance	46		50
Average Recorded Investment, With no related allowance recorded	47	21
Average Recorded Investment, With an allowance recorded	73	84
Interest Income Recognized, With no related allowance recorded	0	0
Interest Income Recognized, With an allowance recorded	0	1
Residential real estate
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	4,154		4,331
Recorded Investment Net of Charge Offs, With an allowance recorded	689		395
Unpaid Principal Balance, With no related allowance recorded	4,154		4,331
Unpaid Principal Balance, With an allowance recorded	689		395
Related Allowance	445		84
Average Recorded Investment, With no related allowance recorded	4,243	3,781
Average Recorded Investment, With an allowance recorded	542	364
Interest Income Recognized, With no related allowance recorded	24	21
Interest Income Recognized, With an allowance recorded	0	0
Manufactured housing
Financing Receivable, Impaired [Line Items]
Recorded Investment Net of Charge Offs, With no related allowance recorded	8,898		8,300
Unpaid Principal Balance, With no related allowance recorded	8,898		$ 8,300
Average Recorded Investment, With no related allowance recorded	8,599	2,653
Interest Income Recognized, With no related allowance recorded	$ 109	$ 23

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Loans Receivable and Allowance for Loan Losses - Analysis of Loans Modified in Troubled Debt Restructuring by Type of Concession (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Loan	Mar. 31, 2015 USD ($) Loan
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	26	3
Recorded investment | $	$ 2,859	$ 405
Extended under forbearance
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	3	0
Recorded investment | $	$ 1,995	$ 0
Interest-rate reductions
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	23	3
Recorded investment | $	$ 864	$ 405

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Loans Receivable and Allowance for Loan Losses - Summary of Loans Modified in Troubled Debt Restructurings and Related Recorded Investment (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Loan	Mar. 31, 2015 USD ($) Loan
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	26	3
Recorded investment | $	$ 2,859	$ 405
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	1	0
Recorded investment | $	$ 76	$ 0
Commercial real estate - non-owner occupied
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	1	0
Recorded investment | $	$ 1,844	$ 0
Manufactured housing
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	23	2
Recorded investment | $	$ 864	$ 207
Residential real estate
Financing Receivable, Modifications [Line Items]
Number of loans modified in troubled debt restructurings | Loan	1	1
Recorded investment | $	$ 75	$ 198

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Loans Receivable and Allowance for Loan Losses - Changes in Accretable Yield Related to Purchased-credit-impaired Loans (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Changes in Accretable Yield
Accretable yield balance, beginning of period	$ 12,947	$ 17,606
Accretion to interest income	(470)	(660)
Reclassification from nonaccretable difference and disposals, net	145	(1,522)
Accretable yield balance, end of period	$ 12,622	$ 15,424

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Loans Receivable and Allowance for Loan Losses - Schedule of Changes in Allowance for Loan Losses (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 35,647	$ 30,932
Provision for loan losses	1,503	3,635
Charge-offs	(42)	(1,144)
Recoveries	497	143
Ending balance	$ 37,605	$ 33,566

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Loans Receivable and Allowance for Loan Losses - Schedule of FDIC Loss Sharing Receivable (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
FDIC Indemnification Asset [Roll Forward]
Ending balance, prior year	$ (2,083)	$ 2,320
Increased (decreased) estimated cash flows	(477)	671
Other activity, net	(304)	134
Cash payments to the FDIC	320	302
Ending balance	(2,544)	3,427
Provision for loan losses	1,503	3,635
Effect attributable to FDIC loss share arrangements	477	(671)
Provision for loan losses	$ 1,980	$ 2,964

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Loans Receivable and Allowance for Loan Losses - Credit Ratings of Covered and Non-Covered Loan Portfolio (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	$ 5,907,124	$ 5,453,145
Non-covered Loans
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	5,907,124	5,453,145
Non-covered Loans | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	5,742,155	5,294,352
Non-covered Loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	30,696	24,506
Non-covered Loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	19,969	17,089
Non-covered Loans | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	106,241	107,945
Non-covered Loans | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	8,063	9,253
Non-covered Loans | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	3,210,177	2,909,439
Non-covered Loans | Multi-family | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	3,208,368	2,907,362
Non-covered Loans | Multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	393	661
Non-covered Loans | Multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	1,416	1,416
Non-covered Loans | Multi-family | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Multi-family | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	848,675	803,159
Non-covered Loans | Commercial and industrial | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	820,836	784,892
Non-covered Loans | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	19,911	14,052
Non-covered Loans | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	7,928	4,215
Non-covered Loans | Commercial and industrial | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Commercial and industrial | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Commercial real estate - owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	311,714	308,241
Non-covered Loans | Commercial real estate - owner occupied | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	299,042	295,762
Non-covered Loans | Commercial real estate - owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	8,059	7,840
Non-covered Loans | Commercial real estate - owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	4,613	4,639
Non-covered Loans | Commercial real estate - owner occupied | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Commercial real estate - owner occupied | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	1,052,162	956,255
Non-covered Loans | Commercial real estate - non-owner occupied | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	1,047,331	950,886
Non-covered Loans | Commercial real estate - non-owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2,053	1,671
Non-covered Loans | Commercial real estate - non-owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	2,778	3,698
Non-covered Loans | Commercial real estate - non-owner occupied | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Commercial real estate - non-owner occupied | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	103,061	87,240
Non-covered Loans | Construction | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	103,061	87,240
Non-covered Loans | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Construction | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Construction | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Residential real estate
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	267,031	271,613
Non-covered Loans | Residential real estate | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	263,517	268,210
Non-covered Loans | Residential real estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	280	282
Non-covered Loans | Residential real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	3,234	3,121
Non-covered Loans | Residential real estate | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Residential real estate | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Manufactured housing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	110,830	113,490
Non-covered Loans | Manufactured housing | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Manufactured housing | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Manufactured housing | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Manufactured housing | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	102,886	104,484
Non-covered Loans | Manufactured housing | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	7,944	9,006
Non-covered Loans | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	3,474	3,708
Non-covered Loans | Other consumer | Pass/Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Other consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Other consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	0	0
Non-covered Loans | Other consumer | Performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	3,355	3,461
Non-covered Loans | Other consumer | Non-performing
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, gross	$ 119	$ 247

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Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended
	Mar. 15, 2016	Jan. 29, 2016	May. 18, 2015	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Class of Stock [Line Items]
Preferred stock, shares issued (shares)				3,300,000		2,300,000
Net proceeds from issuance of preferred stock				$ 24,108	$ 0
Preferred stock, par value (usd per share)				$ 1.0		$ 1.00
Preferred stock, liquidation preference (usd per share)				$ 25.00		$ 25.00
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares issued (shares)		1,000,000
Preferred stock share price (usd per share)		$ 25.00
Preferred stock, fixed dividend rate, percent		6.50%
Net proceeds from issuance of preferred stock		$ 24,100
Preferred stock, dividend declared (usd per share)	$ 0.2076
Series D Preferred Stock | London Interbank Offered Rate (LIBOR)
Class of Stock [Line Items]
Preferred stock, variable dividend rate, percent		5.09%
Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock, fixed dividend rate, percent				7.00%
Preferred stock, new issues (shares)			2,300,000
Preferred stock, par value (usd per share)			$ 1.00
Preferred stock, liquidation preference (usd per share)			$ 25.00
Preferred stock. redemption price (usd per share)				$ 25.00
Preferred stock, dividend declared (usd per share)	$ 0.4375
Series C Preferred Stock | London Interbank Offered Rate (LIBOR)
Class of Stock [Line Items]
Preferred stock, variable dividend rate, percent				5.30%

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Share-Based Compensation - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received from exercise of stock options	$ 0.3
Tax benefit from exercise of stock options	0.1
Share-based compensation expense	$ 1.4	$ 1.2
Common Stock | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred compensation shares issued (shares)	11,068
Noninterest expense directors fees	$ 0.3
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted (shares)	149,706
Vesting period (years)	3 years
Vesting amount per year	33.33%
Restricted Stock Units | Bonus Recognition and Retention Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted (shares)	86,654
Vesting period (years)	5 years

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Share-Based Compensation - Summary of Stock Option Activity (Detail) - Stock Option $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Options, Outstanding, Beginning balance (shares) | shares	3,731,761
Number of Options, Granted (shares) | shares	10,000
Number of Options, Exercised (shares) | shares	(31,169)
Number of Options, Forfeited (shares) | shares	0
Number of Options, Expired (shares) | shares	0
Number of Options, Outstanding, Ending balance (shares) | shares	3,710,592
Number of Options, Exercisable (shares) | shares	905,561
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted-average Exercise Price, Outstanding, Beginning balance (usd per share) | $ / shares	$ 14.33
Weighted-average Exercise Price, Granted (usd per share) | $ / shares	26.55
Weighted average Exercise Price, Exercised (usd per share) | $ / shares	10.76
Weighted-average Exercise Price, Forfeited (usd per share) | $ / shares	0.00
Weighted-average Exercise Price, Expired (usd per share) | $ / shares	0.00
Weighted-average Exercise Price, Outstanding, Ending balance (usd per share) | $ / shares	14.40
Weighted-average Exercise Price, Exercisable (usd per share) | $ / shares	$ 9.57
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted-average Remaining Contractual Term in Years, Outstanding (years)	6 years 6 months 18 days
Weighted-average Remaining Contractual Term in Years, Exercisable (years)	4 years 3 months 18 days
Aggregate Intrinsic Value, Exercised | $	$ 394
Aggregate Intrinsic Value, Outstanding | $	34,290
Aggregate Intrinsic Value, Exercisable | $	$ 12,731

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Share-Based Compensation - Summary of Restricted Stock Activity (Detail) - Restricted Stock Units	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted Stock Units, Outstanding and unvested, Beginning balance (shares) | shares	873,264
Restricted Stock Units, Granted (shares) | shares	149,706
Restricted Stock Units, Vested (shares) | shares	(97,298)
Restricted Stock Units, Forfeited (shares) | shares	(198)
Restricted Stock Units, Outstanding and unvested, Ending balance (shares) | shares	925,474
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted-average Grant-date Fair Value, Outstanding and unvested, Beginning balance (usd per share) | $ / shares	$ 14.24
Weighted-average Grant-date Fair Value, Granted (usd per share) | $ / shares	22.96
Weighted-average Grant-date Fair Value, Vested (usd per share) | $ / shares	14.78
Weighted-average Grant-date Fair Value, Forfeited (usd per share) | $ / shares	17.65
Weighted-average Grant-date Fair Value, Outstanding and unvested, Ending balance (usd per share) | $ / shares	$ 15.59

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Regulatory Capital - Narrative (Details)	Mar. 31, 2016	Jan. 01, 2016	Dec. 31, 2015	Jan. 01, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 capital (to risk weighted assets), for capital adequacy purposes ratio	6.625%	6.625%	6.00%	6.00%
Tier 1 capital (to risk weighted assets), to be well capitalized under prompt corrective action provisions ratio				8.00%
Capital conservation buffer, excess of minimum capital ratio				250.00%
Capital conservation buffer to risk weighted assets, year one	0.625%
Capital conservation buffer to risk weighted assets, year two	1.25%
Capital conservation buffer to risk weighted assets, year three	1.875%
Capital conservation buffer to risk weighted assets, year four and thereafter	2.50%
Common equity Tier 1 (to risk weighted assets), for capital adequacy purposes ratio	5.125%	5.125%	4.50%
Total capital (to risk weighted assets), for capital adequacy purposes ratio	8.625%	8.625%	8.00%
Customers Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 capital (to risk weighted assets), for capital adequacy purposes ratio	6.625%	6.625%	6.00%
Tier 1 capital (to risk weighted assets), to be well capitalized under prompt corrective action provisions ratio	8.00%		8.00%
Common equity Tier 1 (to risk weighted assets), for capital adequacy purposes ratio	5.125%	5.125%	4.50%
Total capital (to risk weighted assets), for capital adequacy purposes ratio	8.625%	8.625%	8.00%

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Regulatory Capital - Summary of Capital Amounts, Tier 1 Risk Based and Tier 1 Leveraged Ratios (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Jan. 01, 2016	Dec. 31, 2015	Jan. 01, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity Tier 1 (to risk weighted assets), Actual Amount	$ 518,117		$ 500,624
Tier 1 capital (to risk weighted assets), Actual Amount	597,794		556,193
Total capital (to risk weighted assets), Actual Amount	740,646		698,323
Tier 1 capital (to average assets), Actual Amount	$ 597,794		$ 556,193
Common equity Tier 1 ( to risk weighted assets), Actual Ratio	7.201%		7.61%
Tier 1 capital (to risk weighted assets), Actual Ratio	8.308%		8.46%
Total capital (to risk weighted assets), Actual Ratio	10.294%		10.62%
Tier 1 capital (to average assets), Actual Ratio	7.151%		7.16%
Common equity Tier 1 (to risk weighted assets), For Capital Adequacy Purposes Amount	$ 368,754		$ 296,014
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes Amount	476,681		394,685
Total capital (to risk weighted assets), For Capital Adequacy Purposes Amount	620,585		526,247
Tier 1 capital (to average assets), For Capital Adequacy Purposes Amount	$ 334,366		$ 310,812
Common equity Tier 1 (to risk weighted assets), For Capital Adequacy Purposes Ratio	5.125%	5.125%	4.50%
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes Ratio	6.625%	6.625%	6.00%	6.00%
Total capital (to risk weighted assets), For Capital Adequacy Purposes Ratio	8.625%	8.625%	8.00%
Tier 1 capital (to average assets), For Capital Adequacy Purposes Ratio	4.00%		4.00%
Tier 1 capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio				8.00%
Customers Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity Tier 1 (to risk weighted assets), Actual Amount	$ 631,569		$ 565,217
Tier 1 capital (to risk weighted assets), Actual Amount	631,569		565,217
Total capital (to risk weighted assets), Actual Amount	777,883		710,864
Tier 1 capital (to average assets), Actual Amount	$ 631,569		$ 565,217
Common equity Tier 1 ( to risk weighted assets), Actual Ratio	8.806%		8.62%
Tier 1 capital (to risk weighted assets), Actual Ratio	8.806%		8.62%
Total capital (to risk weighted assets), Actual Ratio	10.845%		10.85%
Tier 1 capital (to average assets), Actual Ratio	7.575%		7.30%
Common equity Tier 1 (to risk weighted assets), For Capital Adequacy Purposes Amount	$ 367,589		$ 294,916
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes Amount	475,176		393,221
Total capital (to risk weighted assets), For Capital Adequacy Purposes Amount	618,625		524,295
Tier 1 capital (to average assets), For Capital Adequacy Purposes Amount	$ 333,494		$ 309,883
Common equity Tier 1 (to risk weighted assets), For Capital Adequacy Purposes Ratio	5.125%	5.125%	4.50%
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes Ratio	6.625%	6.625%	6.00%
Total capital (to risk weighted assets), For Capital Adequacy Purposes Ratio	8.625%	8.625%	8.00%
Tier 1 capital (to average assets), For Capital Adequacy Purposes Ratio	4.00%		4.00%
Common equity Tier 1 (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 466,210		$ 425,990
Tier 1 capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	573,797		524,295
Total capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	717,246		655,369
Tier 1 capital (to average assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 416,868		$ 387,353
Common equity Tier 1 (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	6.50%		6.50%
Tier 1 capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	8.00%		8.00%
Total capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	10.00%		10.00%
Tier 1 capital (to average assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	5.00%		5.00%

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Disclosures About Fair Value of Financial Instruments - Narrative (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, average life from purchase to sale (days)	19 days
Five-year Senior Unsecured Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Issuance of senior unsecured notes	$ 63
Unsecured Debt | Five-year Senior Unsecured Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior unsecured notes term (years)	5 years

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Disclosures About Fair Value of Financial Instruments - Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, Carrying Amount	$ 262,638	$ 264,593	$ 333,823	$ 371,023
Cash and cash equivalents, Estimated Fair Value	262,638	264,593
Investment securities, available for sale, Carrying Amount	556,165	560,253
Investment securities Fair Value Disclosure	556,165	560,253
Loans held for sale, Carrying Amount	1,969,280	1,797,064
Loans held for sale, Estimated Fair Value	1,969,558	1,797,458
Loans receivable, net of allowance for loan losses, Carrying Amount	5,869,710	5,417,832
Loans receivable, net of allowance for loan losses, Estimated Fair Value	5,825,695	5,353,903
FHLB, Federal Reserve Bank and other restricted stock, Carrying Amount	92,269	90,841
FHLB and Federal Reserve Bank and other restricted stock, Estimated Fair Value	92,269	90,841
Derivatives assets, Carrying Amount	15,324	9,295
Derivatives assets, Fair Value Disclosure	15,324	9,295
Deposits, Carrying Amount	6,478,615	5,909,501
Deposits, Estimated Fair Value	6,486,780	5,911,754
Federal funds purchased, Carrying Amount	80,000	70,000
Federal funds purchased, Estimated Fair Value	80,000	70,000
FHLB advances, Carrying Amount	1,633,700	1,625,300
FHLB advances, Estimated Fair Value	1,635,165	1,625,468
Other borrowings, Carrying Amount	86,624	86,457
Other borrowings, Estimated Fair Value	84,784	93,804
Subordinated debt, Carrying Amount	108,709	108,685
Subordinated debt, Estimated Fair Value	110,000	110,825
Derivatives liabilities, Carrying Amount	22,957	13,932
Derivatives liabilities, Fair Value Disclosure	22,957	13,932
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, Estimated Fair Value	262,638	264,593
Investment securities Fair Value Disclosure	17,458	19,212
Loans held for sale, Estimated Fair Value	0	0
Loans receivable, net of allowance for loan losses, Estimated Fair Value	0	0
FHLB and Federal Reserve Bank and other restricted stock, Estimated Fair Value	0	0
Derivatives assets, Carrying Amount	0	0
Derivatives assets, Fair Value Disclosure	0	0
Deposits, Estimated Fair Value	4,108,287	3,561,905
Federal funds purchased, Estimated Fair Value	80,000	70,000
FHLB advances, Estimated Fair Value	1,323,700	1,365,300
Other borrowings, Estimated Fair Value	59,784	68,867
Subordinated debt, Estimated Fair Value	0	0
Derivatives liabilities, Carrying Amount	0	0
Derivatives liabilities, Fair Value Disclosure	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, Estimated Fair Value	0	0
Investment securities Fair Value Disclosure	538,707	541,041
Loans held for sale, Estimated Fair Value	1,941,602	1,757,807
Loans receivable, net of allowance for loan losses, Estimated Fair Value	0	0
FHLB and Federal Reserve Bank and other restricted stock, Estimated Fair Value	92,269	90,841
Derivatives assets, Carrying Amount	15,251	9,250
Derivatives assets, Fair Value Disclosure	15,251	9,250
Deposits, Estimated Fair Value	2,378,493	2,349,849
Federal funds purchased, Estimated Fair Value	0	0
FHLB advances, Estimated Fair Value	311,465	260,168
Other borrowings, Estimated Fair Value	25,000	24,937
Subordinated debt, Estimated Fair Value	110,000	110,825
Derivatives liabilities, Carrying Amount	22,957	13,932
Derivatives liabilities, Fair Value Disclosure	22,957	13,932
Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, Estimated Fair Value	0	0
Investment securities Fair Value Disclosure	0	0
Loans held for sale, Estimated Fair Value	27,956	39,651
Loans receivable, net of allowance for loan losses, Estimated Fair Value	5,825,695	5,353,903
FHLB and Federal Reserve Bank and other restricted stock, Estimated Fair Value	0	0
Derivatives assets, Carrying Amount	73	45
Derivatives assets, Fair Value Disclosure	73	45
Deposits, Estimated Fair Value	0	0
Federal funds purchased, Estimated Fair Value	0	0
FHLB advances, Estimated Fair Value	0	0
Other borrowings, Estimated Fair Value	0	0
Subordinated debt, Estimated Fair Value	0	0
Derivatives liabilities, Carrying Amount	0	0
Derivatives liabilities, Fair Value Disclosure	$ 0	$ 0

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Disclosures About Fair Value of Financial Instruments - Summary of Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Available-for-sale securities:
Assets measured at fair value on a recurring basis	$ 2,513,091	$ 2,327,355
Assets
Assets measured at fair value on a nonrecurring basis	7,042	4,704
Specific reserves related to impaired loans	3,670	2,273
Derivative Assets
Available-for-sale securities:
Assets measured at fair value on a recurring basis	15,324	9,295
Loans held for sale – fair value option
Available-for-sale securities:
Assets measured at fair value on a recurring basis	1,941,602	1,757,807
Derivative Liabilities
Liabilities
Derivatives	22,957	13,932
Impaired loans
Assets
Assets measured at fair value on a nonrecurring basis	6,354	4,346
Specific reserves related to impaired loans	3,670	2,273
Other real estate owned
Assets
Assets measured at fair value on a nonrecurring basis	688	358
Available-for-sale Securities | Agency-guaranteed residential mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	286,289	298,104
Available-for-sale Securities | Agency-guaranteed commercial real estate mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	207,397	202,870
Available-for-sale Securities | Corporate notes
Available-for-sale securities:
Assets measured at fair value on a recurring basis	45,021	40,067
Available-for-sale Securities | Equity securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	17,458	19,212
Quoted Prices in Active Markets for Identical Assets (Level 1)
Available-for-sale securities:
Assets measured at fair value on a recurring basis	17,458	19,212
Assets
Assets measured at fair value on a nonrecurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivative Assets
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Loans held for sale – fair value option
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivative Liabilities
Liabilities
Derivatives	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Impaired loans
Assets
Assets measured at fair value on a nonrecurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other real estate owned
Assets
Assets measured at fair value on a nonrecurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Available-for-sale Securities | Agency-guaranteed residential mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Available-for-sale Securities | Agency-guaranteed commercial real estate mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Available-for-sale Securities | Corporate notes
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Available-for-sale Securities | Equity securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	17,458	19,212
Significant Other Observable Inputs (Level 2)
Available-for-sale securities:
Assets measured at fair value on a recurring basis	2,495,560	2,308,098
Assets
Assets measured at fair value on a nonrecurring basis	0	0
Significant Other Observable Inputs (Level 2) | Derivative Assets
Available-for-sale securities:
Assets measured at fair value on a recurring basis	15,251	9,250
Significant Other Observable Inputs (Level 2) | Loans held for sale – fair value option
Available-for-sale securities:
Assets measured at fair value on a recurring basis	1,941,602	1,757,807
Significant Other Observable Inputs (Level 2) | Derivative Liabilities
Liabilities
Derivatives	22,957	13,932
Significant Other Observable Inputs (Level 2) | Impaired loans
Assets
Assets measured at fair value on a nonrecurring basis	0	0
Significant Other Observable Inputs (Level 2) | Other real estate owned
Assets
Assets measured at fair value on a nonrecurring basis	0	0
Significant Other Observable Inputs (Level 2) | Available-for-sale Securities | Agency-guaranteed residential mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	286,289	298,104
Significant Other Observable Inputs (Level 2) | Available-for-sale Securities | Agency-guaranteed commercial real estate mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	207,397	202,870
Significant Other Observable Inputs (Level 2) | Available-for-sale Securities | Corporate notes
Available-for-sale securities:
Assets measured at fair value on a recurring basis	45,021	40,067
Significant Other Observable Inputs (Level 2) | Available-for-sale Securities | Equity securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Significant Unobservable Inputs (Level 3)
Available-for-sale securities:
Assets measured at fair value on a recurring basis	73	45
Assets
Assets measured at fair value on a nonrecurring basis	7,042	4,704
Significant Unobservable Inputs (Level 3) | Derivative Assets
Available-for-sale securities:
Assets measured at fair value on a recurring basis	73	45
Significant Unobservable Inputs (Level 3) | Loans held for sale – fair value option
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Significant Unobservable Inputs (Level 3) | Derivative Liabilities
Liabilities
Derivatives	0	0
Significant Unobservable Inputs (Level 3) | Impaired loans
Assets
Assets measured at fair value on a nonrecurring basis	6,354	4,346
Significant Unobservable Inputs (Level 3) | Other real estate owned
Assets
Assets measured at fair value on a nonrecurring basis	688	358
Significant Unobservable Inputs (Level 3) | Available-for-sale Securities | Agency-guaranteed residential mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Significant Unobservable Inputs (Level 3) | Available-for-sale Securities | Agency-guaranteed commercial real estate mortgage-backed securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Significant Unobservable Inputs (Level 3) | Available-for-sale Securities | Corporate notes
Available-for-sale securities:
Assets measured at fair value on a recurring basis	0	0
Significant Unobservable Inputs (Level 3) | Available-for-sale Securities | Equity securities
Available-for-sale securities:
Assets measured at fair value on a recurring basis	$ 0	$ 0

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Disclosures About Fair Value of Financial Instruments - Statement of Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis (Detail) - Significant Unobservable Inputs (Level 3) - Residential Mortgage Loan Commitments - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning	$ 45	$ 43
Issuances	73	87
Settlements	(45)	(43)
Balance at ending	$ 73	$ 87

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Disclosures About Fair Value of Financial Instruments - Summary of Financial Assets and Financial Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	$ 5,106	$ 5,057
Impaired loans | Collateral Appraisal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range	8.00%	8.00%
Other real estate owned | Collateral Appraisal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range	8.00%	8.00%
Residential mortgage loan commitments | Adjusted Market Bid
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range	90.00%	94.00%
Fair Value Estimate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 6,354	$ 4,346
Other real estate owned	688	358
Residential mortgage loan commitments	$ 73	$ 45

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Derivative Instruments and Hedging Activities - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) Derivative Swap	Dec. 31, 2015 USD ($) Derivative Swap
Derivative Instruments, Gain (Loss) [Line Items]
Reclassification adjustment from accumulated other comprehensive income	$ 2.6
Termination value of derivatives in a net liability position	23.3
Minimum collateral with counterparties	$ 22.8
Minimum
Derivative Instruments, Gain (Loss) [Line Items]
Derivative expiration period (days)	30 days
Maximum
Derivative Instruments, Gain (Loss) [Line Items]
Derivative expiration period (days)	60 days
Not Designated as Hedging Instrument | Residential mortgage loan commitments
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional amount	$ 4.5	$ 2.8
Interest Rate Swaps | Derivative Designated as Cash Flow Hedges | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Number of outstanding interest rate derivative | Derivative	1	1
Aggregate notional amount	$ 150.0	$ 150.0
Interest Rate Swaps | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional amount	$ 457.2	$ 461.0
Number of interest rate swaps | Swap	62	62
Credit Contract | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Aggregate notional amount	$ 36.3	$ 19.3

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Derivative Instruments and Hedging Activities - Fair Value of Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Fair Value	$ 0	$ 0
Derivative Liabilities, Fair Value	22,923	13,932
Other Assets | Derivative Designated as Cash Flow Hedges | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Fair Value	0	0
Other Assets | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Fair Value	15,324	9,295
Other Assets | Not Designated as Hedging Instrument | Residential Mortgage Loan Commitments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Fair Value	73	45
Other Assets | Not Designated as Hedging Instrument | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Fair Value	15,006	9,088
Other Assets | Not Designated as Hedging Instrument | Credit Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Fair Value	245	162
Other Liabilities | Derivative Designated as Cash Flow Hedges | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities, Fair Value	7,077	4,477
Other Liabilities | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities, Fair Value	15,880	9,455
Other Liabilities | Not Designated as Hedging Instrument | Residential Mortgage Loan Commitments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities, Fair Value	0	0
Other Liabilities | Not Designated as Hedging Instrument | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities, Fair Value	15,846	9,455
Other Liabilities | Not Designated as Hedging Instrument | Credit Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities, Fair Value	$ 34	$ 0

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Derivative Instruments and Hedging Activities - Effect of Derivative Financial Instruments on Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flow Hedges | Interest Expense | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	$ (1,625)	$ (1,168)
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0	0
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Income (Loss) Recognized in Earnings	(195)	195
Not Designated as Hedging Instrument | Other Non-interest Income | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Income (Loss) Recognized in Earnings	(472)	121
Not Designated as Hedging Instrument | Other Non-interest Income | Credit Contract
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Income (Loss) Recognized in Earnings	249	30
Not Designated as Hedging Instrument | Mortgage Banking Income | Residential Mortgage Loan Commitments
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Income (Loss) Recognized in Earnings	$ 28	$ 44

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Derivative Instruments and Hedging Activities - Summary of Offsetting of Financial Assets and Derivative Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Offsetting Assets [Line Items]
Net Amounts of Assets Presented in the Consolidated Balance Sheet	$ 15,324	$ 9,295
Interest Rate Swaps
Offsetting Assets [Line Items]
Gross Amount of Recognized Assets	0	0
Gross Amounts Offset in the Consolidated Balance Sheet	0	0
Net Amounts of Assets Presented in the Consolidated Balance Sheet	0	0
Gross amounts not offset in the consolidated balance sheet, Financial instruments	0	0
Gross amounts not offset in the consolidated balance sheet, Cash collateral received	0	0
Gross amounts not offset in the consolidated balance sheet, Net amount	$ 0	$ 0

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Derivative Instruments and Hedging Activities - Summary of Offsetting of Financial Liabilities and Derivative Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Offsetting Assets [Line Items]
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet	$ 22,957	$ 13,932
Interest Rate Swaps
Offsetting Assets [Line Items]
Gross Amount of Recognized Liabilities	22,923	13,932
Gross Amounts Offset in the Consolidated Balance Sheet	0	0
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet	22,923	13,932
Gross amounts not offset in the consolidated balance sheet, Financial instruments	0	0
Gross amounts not offset in the consolidated balance sheet, Cash collateral pledged	22,832	13,932
Gross amounts not offset in the consolidated balance sheet, Net amount	$ 91	$ 0

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Apr. 28, 2016	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Subsequent Event [Line Items]
Preferred stock, shares authorized (shares)		100,000,000		100,000,000
Net proceeds from issuance of preferred stock		$ 24,108	$ 0
Subsequent Event | Series E Preferred Stock
Subsequent Event [Line Items]
Preferred stock, shares authorized (shares)	2,300,000
Preferred stock share price (usd per share)	$ 25.00
Preferred stock, fixed dividend rate, percent	6.45%
Net proceeds from issuance of preferred stock	$ 55,700
Subsequent Event | Series E Preferred Stock | London Interbank Offered Rate (LIBOR)
Subsequent Event [Line Items]
Preferred stock, variable dividend rate, percent	5.14%