10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

______________________________________________ 

FORM 10-Q

______________________________________________ 

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

For the quarterly period ended March 31, 2019

Commission File Number: 000-50245

______________________________________________ 

HOPE BANCORP, INC.

(Exact name of registrant as specified in its charter)

______________________________________________ 

Delaware	95-4849715
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
3200 Wilshire Boulevard, Suite 1400, Los Angeles, California	90010
(Address of principal executive offices)	(Zip Code)

(213) 639-1700

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if change 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  o

Indicate by check mark whether the registrant has submitted every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  o

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

Large accelerated filer	x	Accelerated filer	o
Non-accelerated filer	o	Smaller reporting company	o
		Emerging growth company	o

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

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

As of May 1, 2019, there were 126,663,405 outstanding shares of Hope Bancorp, Inc. common stock, $0.001 par value per share.

Table of Contents

		Page
PART I - FINANCIAL INFORMATION
Item 1.	FINANCIAL STATEMENTS
	Consolidated Statements of Financial Condition - March 31, 2019 (Unaudited) and December 31, 2018	4
	Consolidated Statements of Income (Unaudited) - Three Months Ended March 31, 2019 and 2018	6
	Consolidated Statements of Comprehensive Income (Unaudited) - Three Months Ended March 31, 2019 and 2018	7
	Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) - Three Months Ended March 31, 2019 and 2018	8
	Consolidated Statements of Cash Flows (Unaudited) - Three Months Ended March 31, 2019 and 2018	9
	Notes to Consolidated Financial Statements (Unaudited)	10
Item 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	60
Item 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	81
Item 4.	CONTROLS AND PROCEDURES	82
PART II - OTHER INFORMATION
Item 1.	LEGAL PROCEEDINGS	83
Item 1A.	RISK FACTORS	83
Item 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	84
Item 3.	DEFAULTS UPON SENIOR SECURITIES	84
Item 4.	MINE SAFETY DISCLOSURES	84
Item 5.	OTHER INFORMATION	84
Item 6.	EXHIBITS	84
INDEX TO EXHIBITS		85
SIGNATURES		86

2

Forward-Looking Statements

Certain statements in this Quarterly Report on Form 10-Q may constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements relate to, among other things, expectations regarding the business environment in which we operate, projections of future performance, perceived opportunities in the market, and statements regarding our business strategies, objectives and vision. Forward-looking statements include, but are not limited to, statements preceded by, followed by or that include the words “will,” “believes,” “expects,” “anticipates,” “intends,” “plans,” “projects,” “forecasts,” “estimates” or similar expressions. With respect to any such forward-looking statements, the Company claims the protection provided for in the Private Securities Litigation Reform Act of 1995. These statements involve known and unknown risks, trends, uncertainties, and factors that are beyond the Company’s control or ability to predict. The Company’s actual results, performance or achievements may differ significantly from the results, performance or achievements expressed or implied in any forward-looking statements. The risks and uncertainties include: possible deterioration in economic conditions in our areas of operation; interest rate risk associated with volatile interest rates and related asset-liability matching risk; liquidity risks; risk of significant non-earning assets, and net credit losses that could occur, particularly in times of weak economic conditions or times of rising interest rates; and regulatory risks associated with current and future regulations. For additional information concerning these and other risk factors, see Part I, Item 1A. Risk Factors contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.

The Company does not undertake, and specifically disclaims any obligation, to update any forward looking statements to reflect the occurrence of events or circumstances after the date of such statements except as required by law.

3

PART I

FINANCIAL INFORMATION

Item 1. Financial Statements

HOPE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION
	(Unaudited)
	March 31, 2019		December 31, 2018
ASSETS	(Dollars in thousands, except share data)
Cash and cash equivalents:
Cash and due from banks	$	211,223	$	219,366
Interest bearing cash in other banks	401,661		240,240
Total cash and cash equivalents	612,884		459,606
Interest bearing deposits in other financial institutions	30,141		29,409
Securities available for sale, at fair value	1,818,343		1,846,265
Equity investments	50,873		49,835
Loans held for sale, at the lower of cost or fair value	921		25,128
Loans receivable, net of allowance for loan losses of $94,217 and $92,557 at March 31, 2019 and December 31, 2018, respectively	11,959,787		12,005,558
Other real estate owned (“OREO”), net	6,258		7,754
Federal Home Loan Bank (“FHLB”) stock, at cost	21,580		25,461
Premises and equipment, net	53,218		53,794
Accrued interest receivable	34,831		32,225
Deferred tax assets, net	39,352		50,913
Customers’ liabilities on acceptances	1,896		2,281
Bank owned life insurance (“BOLI”)	75,586		75,219
Investments in affordable housing partnerships	89,078		92,040
Operating lease right-of-use assets, net	62,360		—
Goodwill	464,450		464,450
Core deposit intangible assets, net	13,504		14,061
Servicing assets, net	21,407		23,132
Other assets	42,200		48,821
Total assets	$	15,398,669	$	15,305,952
(Continued)

4

HOPE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION
	(Unaudited)
	March 31, 2019			December 31, 2018
LIABILITIES AND STOCKHOLDERS’ EQUITY	(Dollars in thousands, except share data)
LIABILITIES:
Deposits:
Noninterest bearing	$	2,948,751		$	3,022,633
Interest bearing:
Money market and NOW accounts	3,086,920			3,036,653
Savings deposits	223,562			225,746
Time deposits	5,989,963			5,870,624
Total deposits	12,249,196			12,155,656
FHLB advances	720,000			821,280
Convertible notes, net	195,754			194,543
Subordinated debentures	102,201			101,929
Accrued interest payable	37,511			31,374
Acceptances outstanding	1,896			2,281
Operating lease liabilities	62,833			—
Commitments to fund investments in affordable housing partnerships	40,709			46,507
Other liabilities	42,358			49,171
Total liabilities	$	13,452,458		$	13,402,741
STOCKHOLDERS’ EQUITY:
Common stock, $0.001 par value; authorized 150,000,000 shares at March 31, 2019 and December 31, 2018: issued and outstanding 135,638,037 and 126,635,584 shares, respectively, at March 31, 2019, and issued and outstanding 135,642,365 and 126,639,912 shares, respectively, at December 31, 2018	$	136		$	136
Additional paid-in capital	1,424,029			1,423,405
Retained earnings	687,404			662,375
Treasury stock, at cost; 9,002,453 shares at March 31, 2019 and December 31, 2018	(150,000		)	(150,000		)
Accumulated other comprehensive loss, net	(15,358		)	(32,705		)
Total stockholders’ equity	1,946,211			1,903,211
Total liabilities and stockholders’ equity	$	15,398,669		$	15,305,952

See accompanying Notes to Consolidated Financial Statements (Unaudited)

5

HOPE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF INCOME (Unaudited)
	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands, except per share data)
INTEREST INCOME:
Interest and fees on loans	$	158,136		$	137,943
Interest on securities	12,319			10,101
Interest on other investments	2,675			2,366
Total interest income	173,130			150,410
INTEREST EXPENSE:
Interest on deposits	46,847			24,849
Interest on FHLB advances	2,614			4,069
Interest on other borrowings and convertible notes	4,061			1,424
Total interest expense	53,522			30,342
NET INTEREST INCOME BEFORE PROVISION FOR LOAN LOSSES	119,608			120,068
PROVISION FOR LOAN LOSSES	3,000			2,500
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	116,608			117,568
NONINTEREST INCOME:
Service fees on deposit accounts	4,317			4,801
International service fees	933			1,020
Loan servicing fees, net	730			1,579
Wire transfer fees	1,089			1,207
Net gains on sales of SBA loans	—			3,450
Net gains on sales of other loans	741			1,196
Other income and fees	3,612			6,597
Total noninterest income	11,422			19,850
NONINTEREST EXPENSE:
Salaries and employee benefits	40,429			39,385
Occupancy	7,677			7,239
Furniture and equipment	3,446			3,721
Advertising and marketing	2,062			2,299
Data processing and communications	2,956			3,495
Professional fees	5,380			3,106
Investments in affordable housing partnerships expenses	2,881			2,630
FDIC assessments	1,551			1,767
Credit related expenses	678			772
OREO expense, net	(152		)	(104		)
Other	3,925			4,143
Total noninterest expense	70,833			68,453
INCOME BEFORE INCOME TAXES	57,197			68,965
INCOME TAX PROVISION	14,439			17,733
NET INCOME	$	42,758		$	51,232
EARNINGS PER COMMON SHARE
Basic	$	0.34		$	0.38
Diluted	$	0.34		$	0.38

See accompanying Notes to Consolidated Financial Statements (Unaudited)

6

HOPE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)
	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Net income	$	42,758		$	51,232
Other comprehensive income (loss):
Change in unrealized net holding gains (losses) on securities available for sale	24,597			(24,645		)
Change in unrealized net holding gains (losses) on interest only strips	69			(4		)
Tax effect	(7,319		)	7,509
Other comprehensive income (loss), net of tax	17,347			(17,140		)
Total comprehensive income	$	60,105		$	34,092

See accompanying Notes to Consolidated Financial Statements (Unaudited)

7

HOPE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (Unaudited)
		Common stock				Additional paid-in capital		Retained earnings			Treasury stock			Accumulated other comprehensive loss, net			Total stockholders’ equity
		Shares		Amount
	(Dollars in thousands, except share data)
BALANCE, JANUARY 1, 2018		135,511,891		$	136	$	1,405,014	$	544,886		$	—		$	(21,781	)	$	1,928,255
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01								(469		)				281			(188		)
Issuance of shares pursuant to various stock plans, net of forfeitures and tax withholding cancellations		4,228				112											112
Stock-based compensation						680											680
Cash dividends declared on common stock ($0.13 per share)								(17,618		)							(17,618		)
Comprehensive income:
Net income								51,232									51,232
Other comprehensive loss														(17,140		)	(17,140		)
BALANCE, MARCH 31, 2018		135,516,119		$	136	$	1,405,806	$	578,031		$	—		$	(38,640	)	$	1,945,333
BALANCE, JANUARY 1, 2019		126,639,912		$	136	$	1,423,405	$	662,375		$	(150,000	)	$	(32,705	)	$	1,903,211
Issuance of shares pursuant to various stock plans, net of forfeitures and tax withholding cancellations		(4,328	)			3											3
Stock-based compensation						621											621
Cash dividends declared on common stock ($0.14 per share)								(17,729		)							(17,729		)
Comprehensive income:
Net income								42,758									42,758
Other comprehensive income														17,347			17,347
BALANCE, MARCH 31, 2019		126,635,584		$	136	$	1,424,029	$	687,404		$	(150,000	)	$	(15,358	)	$	1,946,211

See accompanying Notes to Consolidated Financial Statements (Unaudited)

8

HOPE BANCORP, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)
	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$	42,758		$	51,232
Adjustments to reconcile net income to net cash from operating activities:
Discount accretion, net of depreciation and amortization	1,494			(2,077		)
Stock-based compensation expense	815			953
Provision for loan losses	3,000			2,500
Credit for unfunded loan commitments	—			(200		)
Valuation adjustment of OREO	60			—
Net gains on sales of SBA and other loans	(741		)	(4,646		)
Earnings on BOLI	(367		)	(387		)
Net change in fair value of derivatives	(39		)	(19		)
Net losses on sale and disposal of premises and equipment	13			33
Net gains on sales of OREO	(3		)	(72		)
Net change in fair value of equity investments with readily determinable fair value	(912		)	(3,519		)
Losses on investments in affordable housing partnership	2,886			2,546
Net change in deferred income taxes	4,241			4,442
Proceeds from sales of loans held for sale	36,919			92,850
Originations of loans held for sale	(17,465		)	(90,004		)
Originations of servicing assets	(327		)	(1,716		)
Net change in accrued interest receivable	(2,606		)	825
Net change in other assets	3,782			11,515
Net change in accrued interest payable	6,137			3,653
Net change in other liabilities	(6,813		)	(15,656		)
Net cash provided by operating activities	72,832			52,253
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of interest bearing deposits in other financial institutions	(3,430		)	(1,323		)
Redemption of interest bearing deposits in other financial institutions	2,698			1,225
Purchase of securities available for sale	—			(77,531		)
Proceeds from matured, called, or paid-down securities available for sale	50,923			49,850
Proceeds from sales of other loans held for sale previously classified as held for investment	33,644			6,296
Net change in loans receivable	22,561			(188,437		)
Proceeds from sales of OREO	1,632			1,202
Purchase of FHLB stock	(155		)	810
Redemption of FHLB stock	4,036			—
Purchase of premises and equipment	(1,541		)	(2,302		)
Proceeds from BOLI death benefits	256			—
Investments in affordable housing partnerships	(5,798		)	(2,972		)
Net cash provided by (used in) investing activities	104,826			(213,182		)
CASH FLOWS FROM FINANCING ACTIVITIES
Net change in deposits	93,540			663,961
Proceeds from FHLB advances	175,000			—
Repayment of FHLB advances	(275,000		)	(295,000		)
Repayment of federal funds purchased	—			(69,900		)
Cash dividends paid on common stock	(17,729		)	(17,618		)
Taxes paid in net settlement of restricted stock	(194		)	(273		)
Issuance of additional stock pursuant to various stock plans	3			112
Net cash (used in) provided by financing activities	(24,380		)	281,282
NET CHANGE IN CASH AND CASH EQUIVALENTS	153,278			120,353
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	459,606			492,000
CASH AND CASH EQUIVALENTS, END OF PERIOD	$	612,884		$	612,353
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest paid	$	47,182		$	26,773
Income taxes paid	$	1,730		$	1,249
SUPPLEMENTAL DISCLOSURES OF NON-CASH ACTIVITIES
Transfer from loans receivable to OREO	$	—		$	806
Transfer from loans receivable to loans held for sale	$	33,390		$	6,155
Transfer from loans held for sale to loans receivable	$	5,181		$	43
Transfer of available for sale securities to equity investments with adoption of ASU 2016-01	$	—		$	21,957
Lease liabilities arising from obtaining right-of-use assets	$	62,833		$	—

See accompanying Notes to Consolidated Financial Statements (Unaudited)

9

HOPE BANCORP, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

1. Hope Bancorp, Inc.

Hope Bancorp, Inc. (“Hope Bancorp” on a parent-only basis and the “Company” on a consolidated basis), headquartered in Los Angeles, California, is the holding company for Bank of Hope (the “Bank”). As of March 31, 2019, the Bank operated branches in California, Washington, Texas, Illinois, Alabama, Georgia, Virginia, New Jersey, and New York, loan production offices in Colorado, Texas, Oregon, Washington, Georgia, Southern California, and Northern California, and a representative office in Seoul, South Korea. The Company is a corporation organized under the laws of the state of Delaware and a bank holding company registered under the Bank Holding Company Act of 1956, as amended.

2. Basis of Presentation

The consolidated financial statements included herein have been prepared without an audit, pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”), except for the Consolidated Statement of Financial Condition as of December 31, 2018 which was from the audited financial statements included in the Company’s 2018 Annual Report on Form 10-K. Certain information and footnote disclosures normally included in annual financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to such SEC rules and regulations.

The consolidated financial statements include the accounts of Hope Bancorp and its wholly owned subsidiaries, principally Bank of Hope. All intercompany transactions and balances have been eliminated in consolidation. The Company has made all adjustments, that in the opinion of management, are necessary to fairly present the Company’s financial position at March 31, 2019 and December 31, 2018 and the results of operations for the three months ended March 31, 2019 and 2018. Certain reclassifications have been made to prior period amounts to conform to the current year presentation. The results of operations for the interim periods are not necessarily indicative of results to be anticipated for the full year.

The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ significantly from those estimates.

These unaudited consolidated financial statements should be read along with the audited consolidated financial statements and accompanying notes included in the Company’s 2018 Annual Report on Form 10-K.

Adopted Accounting Pronouncements

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)”. Subsequently, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases”, ASU 2018-11, “Leases Topic 842, Targeted Improvements”, and ASU 2018-20, “Narrow-Scope Improvements for Lessors”, to provide additional clarification, implementation, and transition guidance on certain aspects of ASU 2016-02. ASU 2016-02 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. Under ASU 2016-02, leases are classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. ASU 2016-02, ASU 2018-10, ASU 2018-11, and ASU 2018-20 were effective for fiscal years beginning after December 15, 2018. The Company adopted Topic 842 on January 1, 2019. The Company elected the transition option provided in ASU 2018-11 and the modified retrospective approach was applied on January 1, 2019. The Company did not have any amounts recorded for the cumulative adjustment to the opening balance of retained earnings. As permitted by ASU 2016-02, the Company elected the following practical expedients: lease classifications under ASC 840 were grandfathered in, the Company did not re-evaluate embedded leases, the Company did not reassess initial direct costs, the option not to separate lease and non-lease components and instead accounted for them as a single lease component, and exercised the option not to recognize right-of-use assets and lease liabilities that arose from short-term leases (i.e., leases with terms of twelve months or less). At January 1, 2019, the Company had a total of 96 operating leases resulting in the recognition of $64.3 million in right-of-use assets and related lease liabilities totaling $64.3 million. See Note 8, “Leases” for further details.

10

In March 2017, the FASB issued ASU 2017-08, “Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities”. ASU 2017-08 was issued to amend the amortization period for certain callable debt securities held at a premium. ASU 2017-08 shortens the amortization period of premiums on certain purchased callable debt securities to the earliest call date. ASU 2017-08 affect all entities that hold investments in callable debt securities that have an amortized cost basis in excess of the amount that is repayable by the issuer at the earliest call date (that is, at a premium). ASU 2017-08 does not impact securities purchased at a discount, which continue to be amortized to maturity. ASU 2017-08 was effective for annual period beginning after December 15, 2018. The Company adopted ASU 2017-08 on January 1, 2019. The adoption of ASU 2017-08 did not have an impact to the Company consolidated financial statements as the premiums on purchased callable debt securities were already being amortized to the earliest call date.

In June 2018, the FASB issued ASU 2018-07, “Compensation - Stock Compensation (Topic 718): Improvements to Nonemployees Share-Based Payment Accounting”. ASU 2018-07 expands the scope of Topic 718 (which currently only includes share-based payments to employees) to include share-based payments issued to nonemployees for goods or services.  Under ASU 2018-07, the accounting for share-based payments for nonemployees and employees are substantially the same. ASU supersedes Subtopic 505-50, “Equity – Equity-Based Payments to Non-Employees”. ASU 2018-07 was effective for annual period beginning after December 15, 2018. The Company adopted ASU 2018-07 on January 1, 2019. Although the Company’s stock compensation plan allows for the stock compensation to nonemployees, the Company historically has not granted stock compensation to nonemployees. Therefore, the adoption of ASU 2018-07 did not have an impact to the Company’s consolidated financial statements .

Pending Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”, also referred to as “CECL”. ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU 2016-13 becomes effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019. The Company has established a CECL committee to oversee the development and implementation of ASU 2016-13. The Company is collaborating with a third party advisory team and has completed a gap assessment, a full implementation road-map and a detailed project plan. The Company has also engaged a software vendor to assist the Company to build a model that is compliant with ASU 2016-13 by the effective date. Based on the Company’s initial assessment of the ASU 2016-13, the Company expects the new guidance will result in additional required allowance for loan losses which could potentially have a material impact on its consolidated financial statements and regulatory capital ratios.

In January 2017, the FASB issued ASU 2017-04, “Intangibles: Goodwill and Other: Simplifying the Test for Goodwill Impairment.” ASU 2017-04 will amend and simplify current goodwill impairment testing to eliminate Step 2 from the current provisions. Under the new guidance, an entity should perform the goodwill impairment test by comparing the fair value of a reporting unit with its carrying value and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. An entity still has the option to perform the quantitative assessment for a reporting unit to determine if a quantitative impairment test is necessary. ASU 2017-04 should be adopted for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. The adoption of ASU 2017-04 is not expected to have a material impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement”. ASU 2018-13 modifies the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. ASU 2018-13 removes the disclosure requirement detailing the amount of and reasons for transfers between Level 1 and Level 2 and the valuation processes for Level 3 fair value measurements will be removed. In addition, ASU 2018-13 modifies the disclosure requirement for investments in certain entities that calculate net asset value. Lastly, ASU 2018-13 adds a disclosure requirement for changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 measurements. ASU 2018-13 is effective annual periods in fiscal years beginning after December 15, 2019, including interim periods within those annual periods. Early adoption is permitted upon the issuance of ASU 2018-13. The removed and modified disclosures will be adopted on a retrospective basis, and the new disclosures will be adopted on a prospective basis. The adoption of ASU 2018-13 is not expected to have a material impact on the Company’s consolidated financial statements.

11

In August 2018, the FASB issued ASU 2018-15, “Intangibles - Goodwill and Other - Internal Use Software (Subtopic 250-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)”. ASU 2018-15 requires an entity in a cloud computing arrangement (i.e., hosting arrangement) that is a service contract to follow the internal-use software guidance in ASC 350-40 to determine which implementation costs to capitalize as assets or expense as incurred. Capitalized implementation costs should be presented in the same line item on the balance sheet as amounts prepaid for the hosted service, if any (generally as an “other asset”). The capitalized costs will be amortized over the term of the hosting arrangement, with the amortization expense being presented in the same income statement line item as the fees paid for the hosted service. ASU 2018-15 is effective for annual reporting periods beginning after December 15, 2019, including interim periods within those annual periods. Early adoption is permitted, including adoption in any interim period. The adoption of ASU 2018-15 is not expected to have a material impact on the Company’s consolidated financial statements.

Recent Accounting Pronouncements

In March 2019, the FASB issued ASU 2019-01, “Leases (Topic 842)”. ASU 2019-01 aligns the guidance for fair value of the underlying asset by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance. ASU 2019-01 also requires lessors within the scope of Topic 842, Financial Services-Depository Lending, to present all “principal payments received under leases” within investing activities on the Consolidated Statements of Cash Flows. In addition, ASU 2019-01 exempts both lessees and lessors from having to provide certain interim disclosures in the fiscal year in which a company adopts the new leases standard. The guidance is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. Early application is permitted. An entity should apply the amendments as of the date that it first applied Topic 842, using the same transition methodology in accordance with paragraph 842-10-65-1(c). The Company adopted Topic 842 on January 1, 2019 and applied the amendments in ASU 2019-01 as of the same date and it did not have a material impact on the Company’s consolidated financial statements as the Company is not a lessor.

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3.    Stock-Based Compensation

The Company has a stock-based incentive plan (the “2016 Plan”) to award equity as a form of compensation. The 2016 Plan was approved by the Company’s stockholders on September 1, 2016. The 2016 Plan provides for grants of stock options, stock appreciation rights (“SARs”), restricted stock, performance shares, and performance units (sometimes referred to individually or collectively as “awards”) to non-employee directors, employees, and potentially consultants of the Company. Stock options may be either incentive stock options (“ISOs”), as defined in Section 422 of the Internal Revenue Code of 1986, as amended (the “Code”), or nonqualified stock options (“NQSOs”).

The 2016 Plan gives the Company flexibility to (i) attract and retain qualified non-employee directors, executives, other key employees, and consultants with appropriate equity-based awards to; (ii) motivate high levels of performance; (iii) recognize employee contributions to the Company’s success; and (iv) align the interests of the 2016 Plan participants with those of the Company’s stockholders. The plan initially had 2,400,000 shares available for grant to participants. The exercise price for shares under an ISO may not be less than 100% of fair market value on the date the award is granted under Code Section 422. Similarly, under the terms of the 2016 Plan, the exercise price for SARs and NQSOs may not be less than 100% of fair market value on the date of grant. Performance units are awarded to a participant at the market price of the Company’s common stock on the date of award (after the lapse of the restriction period and the attainment of the performance criteria). No minimum exercise price is prescribed for performance shares and restricted stock awarded under the 2016 Plan. All options not exercised generally expire 10 years after the date of grant.

ISOs, SARs and NQSOs have vesting periods of three to five years and have 10-year contractual terms. Restricted stock, performance shares, and performance units are granted with a restriction period of not less than one year from the grant date for performance-based awards and not more than three years from the grant date for time-based vesting of grants. Compensation expense for awards is recognized over the vesting period.

Under the 2016 Plan, 772,010 shares were available for future grants as of March 31, 2019.

The total shares reserved for issuance will serve as the underlying value for all equity awards under the 2016 Plan. With the exception of the shares underlying stock options and restricted stock awards, the board of directors may choose to settle the awards by paying the equivalent cash value or by delivering the appropriate number of shares.

The following is a summary of stock option activity under the 2016 Plan for the three months ended March 31,2019:

	Number of Shares		Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value (Dollars in thousands)
Outstanding - January 1, 2019	982,631		$	15.41
Granted	—		—
Exercised	—		—
Expired	(6,962	)	15.79
Forfeited	(18,000	)	17.18
Outstanding - March 31, 2019	957,669		$	15.37	6.16	$	850
Options exercisable - March 31, 2019	770,659		$	15.00	5.91	$	850

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The following is a summary of restricted stock and performance unit activity under the 2016 Plan for the three months ended March 31,2019:

	Number of Shares		Weighted- Average Grant Date Fair Value
Outstanding (unvested) - January 1, 2019	478,891		$	16.37
Granted	384,854		13.67
Vested	(24,956	)	15.57
Forfeited	(28,075	)	16.31
Outstanding (unvested) - March 31, 2019	810,714		$	15.11

The total fair value of restricted stock and performance units vested for the three months ended March 31, 2019 and 2018 was $347 thousand and $476 thousand, respectively.

In 2017, the Company adopted the Hope Employee Stock Purchase Plan (“ESPP”) which allows eligible employees to purchase the Company’s common shares through payroll deductions which build up between the offering date and the purchase date. At the purchase date, the Company uses the accumulated funds to purchase shares in the Company on behalf of the participating employees at a 10% discount to the closing price of the Company’s common shares. The closing price is the lower of either the closing price on the first day of the offering period or on the closing price on the purchase date. The dollar amount of common shares purchased under the ESPP must not exceed 20% of the participating employee’s base salary, subject to a cap of $25 thousand in stock value based on the grant date. The ESPP is considered compensatory under GAAP and compensation expense for the ESPP is recognized as part of the Company’s stock-based compensation expenses. The compensation expense for ESPP during the three months ended March 31, 2019 and 2018 was $33 thousand and $148 thousand, respectively.

The total amount charged against income related to stock-based payment arrangements, including ESPP, was $815 thousand and $953 thousand for the three months ended March 31, 2019 and 2018, respectively. The income tax benefit recognized was approximately $206 thousand and $245 thousand for the three months ended March 31, 2019 and 2018, respectively.

At March 31, 2019, the unrecognized compensation expense related to non-vested stock option grants was $381 thousand which is expected to be recognized over a weighted average vesting period of 2.40 years. Unrecognized compensation expense related to non-vested restricted stock and performance units was $8.9 million which is expected to be recognized over a weighted average vesting period of 2.13 years.

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4.    Earnings Per Share (“EPS”)

Basic EPS does not reflect the possibility of dilution that could result from the issuance of additional shares of common stock upon exercise or conversion of outstanding equity awards or convertible notes and is computed by dividing net income by the weighted average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if stock options, convertible notes, or other contracts to issue common stock were exercised or converted to common stock that would then share in earnings. For the three months ended March 31, 2019 and 2018, stock options and restricted shares awards for 969,871 and 308,258 shares of common stock, respectively, were excluded in computing diluted earnings per common share because they were anti-dilutive. Additionally, warrants issued pursuant to the Company’s participation in the U.S. Treasury’s TARP Capital Purchase Plan to purchase and 20,520 shares of common stock were anti-dilutive and excluded for the three months ended March 31, 2018. There were no warrants outstanding at March 31, 2019.

During the second quarter of 2018, the Company issued $217.5 million in convertible notes. The convertible notes can be converted to the Company’s shares of common stock at an initial rate of 45.0760 shares per $1,000 principal amount of the notes (See footnote 11 “Subordinated Debentures and Convertible Notes” for additional information regarding convertible notes issued). For the three months ended March 31, 2019, shares related to the convertible notes issued were not included in the Company’s diluted EPS calculation. In accordance with the terms of the convertible notes and settlement options available to the Company, no shares would have been delivered to investors of the convertible notes upon assumed conversion based on the Company’s common stock price during the three months ended March 31, 2019.

On April 26, 2018, the Company’s Board of Directors approved a share repurchase program that authorized the Company to repurchase up to $100.0 million in common stock and on September 20, 2018, the Company’s Board of Directors approved another share repurchase program that authorized the Company to repurchase up to $50.0 million in common stock. During the year ended December 31, 2018, the Company repurchased 9,002,453 shares of common stock totaling$150.0 million. The repurchased shares were recorded as treasury stock and reduced the total number of common shares outstanding as of March 31, 2019 and December 31, 2018.

The following tables show the computation of basic and diluted EPS for the three months ended March 31, 2019 and 2018.

	Three Months Ended March 31,
	2019					2018
	Net Income (Numerator)		Weighted-Average Shares (Denominator)	Earnings Per Share		Net Income (Numerator)		Weighted-Average Shares (Denominator)	Earnings Per Share
	(Dollars in thousands, except share and per share data)
Basic EPS - common stock	$	42,758	126,640,464	$	0.34	$	51,232	135,518,705	$	0.38
Effect of dilutive securities:
Stock options, restricted stock,    and ESPP shares			179,208					296,557
Diluted EPS - common stock	$	42,758	126,819,672	$	0.34	$	51,232	135,815,262	$	0.38

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5.    Equity Investments

On January 1, 2018, the Company adopted ASU 2016-01, “Recognition and Measurement of Financial Assets and Financial Liabilities”. As a result of the adoption, the Company reclassified $469 thousand in net unrealized losses included in other comprehensive income and deferred tax assets to retained earnings on January 1, 2018. Equity investments with readily determinable fair values at March 31, 2019, consisted of mutual funds and equity stock in other institutions in the amount of $21.7 million and $2.6 million, respectively and is included in “Equity investments” on the Consolidated Statements of Financial Condition. Equity investments with readily determinable fair values at December 31, 2018, consisted of mutual funds and equity stock in other institutions in the amount of $21.5 million and $1.9 million, respectively.

The change in fair value for equity investments with readily determinable fair values for the three months ended March 31, 2019 and 2018 were recorded in other noninterest income and fees as summarized in the table below:

	Three Months Ended,
	March 31, 2019		March 31, 2018
	(Dollars in thousands)
Net change in fair value recorded during the period on equity investments with readily determinable fair value	$	912	$	3,519
Net change in fair value recorded on equity investments sold during the period	—		—
Net change in fair value on equity investments with readily determinable fair values	$	912	$	3,519

At March 31, 2019 and December 31, 2018, the Company also had equity investments without readily determinable fair value which are carried at cost less any determined impairment. The balance of these investments is adjusted for changes in subsequent observable prices. At March 31, 2019, the total balance of equity investments without readily determinable fair values included in “Equity investments” on the consolidated statements of financial condition was $26.6 million, consisting of $370 thousand in correspondent bank stock, $1.0 million in Community Development Financial Institutions investments, and $25.2 million in Community Reinvestment Act investments. At December 31, 2018, the total balance of equity investments without readily determinable fair values was $26.4 million, consisting of $370 thousand in correspondent bank stock, $1.0 million in CDFI investments, and $25.1 million in CRA investments.

The Company had no impairments or subsequent observable price changes for equity investments without readily determinable fair values for the three months ended March 31, 2019 and 2018.

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6.    Securities Available for Sale

The following is a summary of securities available for sale as of the dates indicated:

	At March 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in thousands)
Debt securities:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	883,525	$	2,090	$	(13,318	)	$	872,297
Mortgage-backed securities:
Residential	401,210		447		(7,116		)	394,541
Commercial	474,979		4,159		(7,879		)	471,259
Corporate securities	5,000		—		(1,014		)	3,986
Municipal securities	76,385		839		(964		)	76,260
Total investment securities available for sale	$	1,841,099	$	7,535	$	(30,291	)	$	1,818,343
	At December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in thousands)
Debt securities:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	914,710	$	1,541	$	(21,129	)	$	895,122
Mortgage-backed securities:
Residential	415,659		47		(13,101		)	402,605
Commercial	481,081		1,024		(12,979		)	469,126
Corporate securities	5,000		—		(1,174		)	3,826
Municipal securities	77,168		398		(1,980		)	75,586
Total investment securities available for sale	$	1,893,618	$	3,010	$	(50,363	)	$	1,846,265

As of March 31, 2019 and December 31, 2018, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.

At March 31, 2019 and December 31, 2018, $15.4 million and $32.7 million, respectively, in unrealized losses on securities available for sale net of taxes were included in accumulated other comprehensive loss. There were no reclassifications out of accumulated other comprehensive loss into earnings during the three months ended March 31, 2019 or 2018.

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The amortized cost and estimated fair value of investment securities at March 31, 2019, by contractual maturity, is presented in the table below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Collateralized mortgage obligations and mortgage-backed securities are not due at a single maturity date and their total balances are shown separately.

	Amortized Cost		Estimated Fair Value
	(Dollars in thousands)
Available for sale:
Due within one year	$	750	$	757
Due after one year through five years	19,602		19,845
Due after five years through ten years	25,759		26,205
Due after ten years	35,274		33,439
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	883,525		872,297
Mortgage-backed securities:
Residential	401,210		394,541
Commercial	474,979		471,259
Total	$	1,841,099	$	1,818,343

Securities with carrying values of approximately $358.6 million and $354.6 million at March 31, 2019 and December 31, 2018, respectively, were pledged to secure public deposits, for various borrowings, and for other purposes as required or permitted by law.

The following tables show the Company’s investments’ gross unrealized losses and estimated fair values, aggregated by investment category and the length of time that the individual securities have been in a continuous unrealized loss position as of the dates indicated.    

	As of March 31, 2019
	Less than 12 months						12 months or longer						Total
Description of Securities	Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses
	(Dollars in thousands)
Collateralized mortgage obligations*	2	$	21,338	$	(17	)	91	$	681,210	$	(13,301	)	93	$	702,548	$	(13,318	)
Mortgage-backed securities:
Residential*	—	—		—			44	351,534		(7,116		)	44	351,534		(7,116		)
Commercial*	1	5,756		(14		)	25	295,061		(7,865		)	26	300,817		(7,879		)
Corporate securities	—	—		—			1	3,986		(1,014		)	1	3,986		(1,014		)
Municipal securities	8	4,051		(15		)	11	23,135		(949		)	19	27,186		(964		)
Total	11	$	31,145	$	(46	)	172	$	1,354,926	$	(30,245	)	183	$	1,386,071	$	(30,291	)

__________________________________    

* Investments in U.S. Government agency and U.S. Government sponsored enterprises

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	As of December 31, 2018
	Less than 12 months						12 months or longer						Total
Description of Securities	Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses
	(Dollars in thousands)
Collateralized mortgage obligations*	1	$	8,041	$	(28	)	93	$	700,095	$	(21,101	)	94	$	708,136	$	(21,129	)
Mortgage-backed securities:
Residential*	4	19,973		(37		)	45	363,334		(13,064		)	49	383,307		(13,101		)
Commercial*	3	38,494		(218		)	27	312,428		(12,761		)	30	350,922		(12,979		)
Corporate securities	—	—		—			1	3,826		(1,174		)	1	3,826		(1,174		)
Municipal securities	13	5,528		(83		)	32	42,444		(1,897		)	45	47,972		(1,980		)
Total	21	$	72,036	$	(366	)	198	$	1,422,127	$	(49,997	)	219	$	1,494,163	$	(50,363	)

__________________________________

* Investments in U.S. Government agency and U.S. Government sponsored enterprises

The Company evaluates securities for other-than-temporary-impairment (“OTTI”) on at least a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to the financial condition and near-term prospects of the issuer, the length of time and the extent to which the fair values of the securities have been less than the cost of the securities, management’s intention to sell, and/or whether it is more likely than not that management will be required to sell the security in an unrealized loss position before recovery of its amortized cost basis. In analyzing an issuer’s financial condition, the Company considers, among other considerations, whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition.

All of the Company’s investment types had investments that were in a continuous unrealized loss position for twelve months or longer as of March 31, 2019. The collateralized mortgage obligations in a continuous loss position for twelve months or longer had unrealized losses of $13.3 million at March 31, 2019, and total residential and commercial mortgage backed securities in a continuous loss position for twelve months or longer had total unrealized losses of $15.0 million. These securities were issued by U.S. Government agency and U.S. Government sponsored enterprises and have high credit ratings of “AA” grade or better. Interest on U.S. Government agencies and U.S. Government sponsored enterprise investments have been paid as agreed, and management believes this will continue in the future and that the securities will be repaid in full as scheduled. Corporate securities that were in a continuous loss position for twelve months or longer had unrealized losses of $1.0 million at March 31, 2019. Municipal securities that were in a continuous loss position for twelve months or longer had unrealized losses of $949 thousand at March 31, 2019. The market value declines for these securities were primarily due to movements in interest rates and are not reflective of management’s expectations of the Company’s ability to fully recover these investments, which may be at maturity. For these reasons, no OTTI was recognized on U.S. Government sponsored collateralized mortgage obligations and mortgage backed securities, corporate securities, and municipal securities that were in an unrealized loss position at March 31, 2019.

The Company considers the losses on the investments in unrealized loss positions at March 31, 2019 to be temporary based on: 1) the likelihood of recovery; 2) the information relative to the extent and duration of the decline in market value; and 3) the Company’s intention not to sell, and management’s determination that it is more likely than not that the Company will not be required to sell a security in an unrealized loss position before recovery of its amortized cost basis.

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7.    Loans Receivable and Allowance for Loan Losses

The following is a summary of loans receivable by major category:

	March 31, 2019			December 31, 2018
Loan portfolio composition	(Dollars in thousands)
Real estate loans:
Residential	$	49,633		$	51,197
Commercial	8,396,364			8,395,327
Construction	269,837			275,076
Total real estate loans	8,715,834			8,721,600
Commercial business	2,158,424			2,127,630
Trade finance	172,273			197,190
Consumer and other	1,007,067			1,051,486
Total loans outstanding	12,053,598			12,097,906
Deferred loan fees, net	406			209
Loans receivable	12,054,004			12,098,115
Allowance for loan losses	(94,217		)	(92,557		)
Loans receivable, net of allowance for loan losses	$	11,959,787		$	12,005,558

The loan portfolio is made up of four segments: real estate loans, commercial business, trade finance, and consumer and other. Real estate loans are extended for the purchase and refinance of commercial real estate and are generally secured by first deeds of trust and are collateralized by residential or commercial properties. Commercial business loans are loans provided to business for various purposes such as for working capital, purchasing inventory, debt refinancing, business acquisitions and other business related financing needs. Trade finance loans generally serves businesses involved in international trade activities. Consumer and other loans consist mostly of single family residential mortgage loans but also includes home equity, credit cards, and other personal loans.

The four segments are further segregated between loans accounted for under the amortized cost method (“Legacy Loans”), and previously acquired loans that were originally recorded at fair value with no carryover of the related pre-acquisition allowance for loan losses (“Acquired Loans”). Acquired Loans are further segregated between purchased credit impaired loans (loans with credit deterioration on the date of acquisition and accounted for under ASC 310-30, or “PCI loans”), and Acquired Performing Loans (loans that were pass graded on the acquisition date and the fair value adjustment is amortized over the contractual life under ASC 310-20, or “non-PCI loans”).

The following table presents changes in the accretable discount on PCI loans for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	49,697		$	55,002
Accretion	(5,834		)	(5,772		)
Reclassification from nonaccretable difference	3,501			5,616
Balance at end of period	$	47,364		$	54,846

On the acquisition date, the amount by which the undiscounted expected cash flows exceed the estimated fair value of PCI loans is considered the “accretable yield.” The accretable yield is measured at each financial reporting date and represents the difference between the remaining undiscounted expected cash flows and the current carrying value of the loans. The accretable yield will change from period to period due to the following: 1) estimates of the remaining life of acquired loans will affect the amount of future interest income; 2) indices for variable rates of interest on PCI loans may change; and 3) estimates of the amount of the contractual principal and interest that will not be collected (nonaccretable difference) may change.

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The following tables detail the activity in the allowance for loan losses by portfolio segment for the three months ended March 31, 2019 and 2018:

	Legacy Loans												Acquired Loans											Total
	Real Estate			Commercial Business			Trade Finance			Consumer and Other			Real Estate			Commercial Business			Trade Finance		Consumer and Other
	(Dollars in thousands)
Three Months Ended March 31, 2019
Balance, beginning of period	$	49,446		$	21,826		$	719		$	6,269		$	7,321		$	5,939		$	—	$	1,037		$	92,557
Provision (credit) for loan losses	(4,658		)	6,621			(21		)	938			(39		)	118			—		41			3,000
Loans charged off	(34		)	(1,160		)	—			(210		)	(26		)	(248		)	—		(76		)	(1,754		)
Recoveries of charge offs	1,122			89			—			7			5			69			—		—			1,292
PCI allowance adjustment	—			—			—			—			—			(878		)	—		—			(878		)
Balance, end of period	$	45,876		$	27,376		$	698		$	7,004		$	7,261		$	5,000		$	—	$	1,002		$	94,217

	Legacy Loans											Acquired Loans												Total
	Real Estate			Commercial Business			Trade Finance		Consumer and Other			Real Estate			Commercial Business			Trade Finance			Consumer and Other
	(Dollars in thousands)
Three Months Ended March 31, 2018
Balance, beginning of period	$	45,360		$	17,228		$	1,674	$	3,385		$	13,322		$	3,527		$	42		$	3		$	84,541
Provision (credit) for loan losses	479			3,289			81		877			(173		)	(2,046		)	(4		)	(3		)	2,500
Loans charged off	(63		)	(342		)	—		(347		)	(102		)	(214		)	—			—			(1,068		)
Recoveries of charge offs	201			212			12		19			1			41			—			2			488
Balance, end of period	$	45,977		$	20,387		$	1,767	$	3,934		$	13,048		$	1,308		$	38		$	2		$	86,461

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The following tables break out the allowance for loan losses and the recorded investment of loans outstanding (not including accrued interest receivable and net deferred loan costs or fees) by individually impaired, general valuation, and PCI impairment, by portfolio segment at March 31, 2019 and December 31, 2018:

	March 31, 2019
	Legacy Loans								Acquired Loans								Total
	Real Estate		Commercial Business		Trade Finance		Consumer and Other		Real Estate		Commercial Business		Trade Finance		Consumer and Other
	(Dollars in thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	211	$	5,842	$	—	$	8	$	245	$	490	$	—	$	1	$	6,797
Collectively evaluated for impairment	45,665		21,534		698		6,996		1,786		408		—		17		77,104
PCI loans	—		—		—		—		5,230		4,102		—		984		10,316
Total	$	45,876	$	27,376	$	698	$	7,004	$	7,261	$	5,000	$	—	$	1,002	$	94,217
Loans outstanding:
Individually evaluated for impairment	$	59,938	$	33,756	$	5,343	$	817	$	23,264	$	5,048	$	3,066	$	918	$	132,150
Collectively evaluated for impairment	7,122,309		2,026,111		163,864		872,171		1,394,669		72,810		—		127,583		11,779,517
PCI loans	—		—		—		—		115,654		20,699		—		5,578		141,931
Total	$	7,182,247	$	2,059,867	$	169,207	$	872,988	$	1,533,587	$	98,557	$	3,066	$	134,079	$	12,053,598

	December 31, 2018
	Legacy Loans								Acquired Loans								Total
	Real Estate		Commercial Business		Trade Finance		Consumer and Other		Real Estate		Commercial Business		Trade Finance		Consumer and Other
	(Dollars in thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	176	$	4,221	$	—	$	3	$	261	$	130	$	—	$	—	$	4,791
Collectively evaluated for impairment	49,270		17,605		719		6,266		1,264		460		—		19		75,603
PCI loans	—		—		—		—		5,796		5,349		—		1,018		12,163
Total	$	49,446	$	21,826	$	719	$	6,269	$	7,321	$	5,939	$	—	$	1,037	$	92,557
Loans outstanding:
Individually evaluated for impairment	$	39,976	$	29,624	$	5,887	$	441	$	18,080	$	5,734	$	3,124	$	1,141	$	104,007
Collectively evaluated for impairment	7,037,392		1,988,067		188,179		910,292		1,507,858		80,916		—		133,942		11,846,646
PCI loans	—		—		—		—		118,294		23,289		—		5,670		147,253
Total	$	7,077,368	$	2,017,691	$	194,066	$	910,733	$	1,644,232	$	109,939	$	3,124	$	140,753	$	12,097,906

At March 31, 2019 and December 31, 2018, the balance of PCI loans that had credit deterioration subsequent to acquisition was $49.1 million and $57.9 million, respectively. PCI loans with subsequent credit deterioration had an allowance for loan losses balance of $10.3 million and $12.2 million at March 31, 2019 and December 31, 2018, respectively.

As of March 31, 2019 and December 31, 2018, the reserve for unfunded loan commitments recorded in other liabilities was $736 thousand and $736 thousand, respectively. For the three months ended March 31, 2019 and 2018, recognized credit for unfunded commitments recorded in credit related expense was $0 and $200 thousand, respectively.

22

The recorded investment of individually impaired loans and the total impaired loans net of specific allowance is presented in the following table for the dates indicated:

	March 31, 2019			December 31, 2018
	(Dollars in thousands)
With allocated specific allowance
Without charge off	$	42,912		$	35,365
With charge off	1,101			681
With no allocated specific allowance
Without charge off	77,619			59,607
With charge off	10,518			8,354
Specific allowance on impaired loans	(6,797		)	(4,791		)
Impaired loans, net of specific allowance	$	125,353		$	99,216

The following tables detail the recorded investment of impaired loans (Legacy Loans and Acquired Loans that became impaired subsequent to being originated and acquired, respectfully) as of March 31, 2019 and December 31, 2018, and the average recorded investment and interest income recognized for the three months ended March 31, 2019 and 2018. Impaired loans with no related allowance are believed by management to be adequately collateralized.

	As of March 31, 2019						As of December 31, 2018
Total Impaired Loans (1)	Recorded Investment (2)		Unpaid Contractual Principal Balance		Related Allowance		Recorded Investment*		Unpaid Contractual Principal Balance		Related Allowance
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	2,045		2,299		171		1,375		1,487		156
Hotel & motel	1,834		2,185		112		1,949		2,310		119
Gas station & car wash	—		—		—		—		—		—
Mixed use	858		934		34		881		947		43
Industrial & warehouse	7,589		8,556		124		1,305		2,139		93
Other	4,355		4,794		15		7,759		8,174		26
Real estate—construction	—		—		—		—		—		—
Commercial business	26,278		28,739		6,332		22,203		23,928		4,351
Trade finance	101		101		—		—		—		—
Consumer and other	953		953		9		575		575		3
Subtotal	$	44,013	$	48,561	$	6,797	$	36,047	$	39,560	$	4,791
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	24,581		27,047		—		8,005		11,234		—
Hotel & motel	9,756		20,349		—		10,877		22,590		—
Gas station & car wash	532		3,640		—		545		3,653		—
Mixed use	7,216		7,329		—		7,048		7,058		—
Industrial & warehouse	10,052		11,335		—		12,343		13,467		—
Other	14,384		15,570		—		5,969		7,122		—
Real estate—construction	—		—		—		—		—		—
Commercial business	12,526		17,863		—		13,155		17,850		—
Trade finance	8,308		8,308		—		9,011		9,011		—
Consumer and other	782		876		—		1,007		1,156		—
Subtotal	$	88,137	$	112,317	$	—	$	67,960	$	93,141	$	—
Total	$	132,150	$	160,878	$	6,797	$	104,007	$	132,701	$	4,791

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

23

	For the Three Months Ended March 31,
	2019				2018
Total Impaired Loans (1)	Average Recorded Investment (2)		Interest Income Recognized During Impairment		Average Recorded Investment*		Interest Income Recognized During Impairment
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	1,710		6		3,458		—
Hotel & motel	1,891		—		2,878		18
Gas station & car wash	—		—		—		—
Mixed use	870		1		1,635		36
Industrial & warehouse	4,447		92		1,575		23
Other	6,057		26		6,894		68
Real estate—construction	—		—		—		—
Commercial business	24,241		164		24,603		149
Trade finance	50		1		3,229		58
Consumer and other	764		2		508		—
Subtotal	$	40,030	$	292	$	44,780	$	352
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	16,293		35		12,880		110
Hotel & motel	10,317		—		2,940		—
Gas station & car wash	538		5		670		—
Mixed use	7,132		51		1,101		—
Industrial & warehouse	11,198		51		10,518		64
Other	10,177		84		17,225		125
Real estate—construction	—		—		1,300		—
Commercial business	12,840		44		18,204		94
Trade finance	8,659		97		3,221		44
Consumer and other	895		—		1,597		6
Subtotal	$	78,049	$	367	$	69,656	$	443
Total	$	118,079	$	659	$	114,436	$	795

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

24

	As of March 31, 2019						As of December 31, 2018
Impaired Acquired Loans (1)	Recorded Investment (2)		Unpaid Contractual Principal Balance		Related Allowance		Recorded Investment*		Unpaid Contractual Principal Balance		Related Allowance
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	574		599		125		198		220		118
Hotel & motel	73		345		4		72		345		4
Gas station & car wash	—		—		—		—		—		—
Mixed use	303		305		30		312		312		38
Industrial & warehouse	236		1,033		82		230		1,050		88
Other	543		543		4		3,454		3,454		13
Real estate—construction	—		—		—		—		—		—
Commercial business	3,974		5,924		490		4,064		5,041		130
Trade finance	—		—		—		—		—		—
Consumer and other	136		136		1		144		144		—
Subtotal	$	5,839	$	8,885	$	736	$	8,474	$	10,566	$	391
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	7,533		8,350		—		3,285		4,151		—
Hotel & motel	5,392		6,853		—		5,428		6,874		—
Gas station & car wash	246		2,673		—		247		2,673		—
Mixed use	3,903		4,008		—		3,722		3,726		—
Industrial & warehouse	93		894		—		119		894		—
Other	4,368		4,690		—		1,013		1,326		—
Real estate—construction	—		—		—		—		—		—
Commercial business	1,074		2,096		—		1,670		2,681		—
Trade finance	3,066		3,066		—		3,124		3,124		—
Consumer and other	782		876		—		997		1,144		—
Subtotal	$	26,457	$	33,506	$	—	$	19,605	$	26,593	$	—
Total	$	32,296	$	42,391	$	736	$	28,079	$	37,159	$	391

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

25

	For the Three Months Ended March 31,
	2019				2018
Impaired Acquired Loans (1)	Average Recorded Investment (2)		Interest Income Recognized During Impairment		Average Recorded Investment*		Interest Income Recognized During Impairment
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	386		—		384		—
Hotel & motel	73		—		85		—
Gas station & car wash	—		—		—		—
Mixed use	307		1		1,544		36
Industrial & warehouse	233		—		243		—
Other	1,999		3		2,817		68
Real estate—construction	—		—		—		—
Commercial business	4,019		40		6,911		30
Trade finance	—		—		—		—
Consumer and other	140		2		—		—
Subtotal	$	7,157	$	46	$	11,984	$	134
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	5,409		30		3,355		34
Hotel & motel	5,410		—		483		—
Gas station & car wash	246		—		100		—
Mixed use	3,813		—		76		—
Industrial & warehouse	106		—		454		—
Other	2,690		66		6,785		57
Real estate—construction	—		—		—		—
Commercial business	1,372		17		3,916		13
Trade finance	3,095		51		3,176		44
Consumer and other	890		—		1,216		2
Subtotal	$	23,031	$	164	$	19,561	$	150
Total	$	30,188	$	210	$	31,545	$	284

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

26

Generally, loans are placed on nonaccrual status if the principal and/or interest payments become 90 days or more past due and/or management deems the collectability of the principal and/or interest to be in question, as well as when required by regulatory requirements. Loans to customers whose financial condition has deteriorated are considered for nonaccrual status whether or not the loan is 90 days or more past due. Generally, payments received on nonaccrual loans are recorded as principal reductions. Loans are returned to accrual status only when all the principal and interest amounts contractually due are brought current and future payments are reasonably assured. The Company did not recognize any cash basis interest income for the three months ended March 31, 2019 or 2018.

The following table represent the recorded investment of nonaccrual loans and loans past due 90 or more days and still on accrual status by class of loans as of March 31, 2019 and December 31, 2018.

	Nonaccrual Loans(1)				Accruing Loans Past Due 90 or More Days
	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	17,879		5,153		—		—
Hotel & motel	6,125		7,325		—		—
Gas station & car wash	31		31		—		—
Mixed use	734		749		—		—
Industrial & warehouse	5,998		6,111		—		—
Other	10,946		5,940		—		—
Real estate—construction	—		—		—		—
Commercial business	22,867		14,837		—		—
Trade finance	2,521		1,661		—		—
Consumer and other	783		441		387		243
Subtotal	$	67,884	$	42,248	$	387	$	243
Acquired Loans: (2)
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	5,472		829		—		—
Hotel & motel	5,464		5,500		—		1,286
Gas station & car wash	246		247		—		—
Mixed use	4,087		1,224		—		—
Industrial & warehouse	329		349		—		—
Other	719		259		—		—
Real estate—construction	—		—		—		—
Commercial business	1,654		1,632		—		—
Trade finance	—		—		—		—
Consumer and other	782		998		—		—
Subtotal	$	18,753	$	11,038	$	—	$	1,286
Total	$	86,637	$	53,286	$	387	$	1,529

__________________________________

⁽¹⁾  Total nonaccrual loans exclude guaranteed portion of delinquent SBA loans that are in liquidation totaling $30.5 million and $29.2 million, at March 31, 2019 and December 31, 2018, respectively.

⁽²⁾  Acquired Loans exclude PCI loans.

27

The following tables present the recorded investment of past due loans, including nonaccrual loans past due 30 or more days, by the number of days past due as of March 31, 2019 and December 31, 2018 by class of loans:

	As of March 31, 2019								As of December 31, 2018
	30-59 Days Past Due		60-89 Days  Past Due		90 or More Days Past Due		Total Past Due		30-59 Days Past Due		60-89 Days  Past Due		90 or More Days Past Due		Total Past Due
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	1,101		12,947		428		14,476		733		—		809		1,542
Hotel & motel	1,761		736		3,241		5,738		153		—		5,215		5,368
Gas station & car wash	—		—		31		31		—		—		31		31
Mixed use	—		178		—		178		—		—		—		—
Industrial & warehouse	2,407		601		1,922		4,930		1,465		—		1,922		3,387
Other	3,395		5,097		2,558		11,050		1,837		—		2,405		4,242
Real estate—construction	6,960		—		—		6,960		—		—		—		—
Commercial business	4,436		6,870		6,112		17,418		5,500		435		7,003		12,938
Trade finance	—		1,253		1,623		2,876		1,036		—		1,661		2,697
Consumer and other	17,067		96		753		17,916		16,413		140		247		16,800
Subtotal	$	37,127	$	27,778	$	16,668	$	81,573	$	27,137	$	575	$	19,293	$	47,005
Acquired Loans: (1)
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	28		4,378		772		5,178		347		—		602		949
Hotel & motel	—		—		4,470		4,470		—		—		5,206		5,206
Gas station & car wash	—		—		221		221		154		—		221		375
Mixed use	437		2,688		1,216		4,341		107		—		1,034		1,141
Industrial & warehouse	377		—		93		470		142		—		119		261
Other	868		472		133		1,473		183		219		—		402
Real estate—construction	—		—		—		—		—		—		—		—
Commercial business	554		—		797		1,351		397		613		253		1,263
Trade finance	—		—		—		—		—		—		—		—
Consumer and other	972		—		268		1,240		—		—		334		334
Subtotal	$	3,236	$	7,538	$	7,970	$	18,744	$	1,330	$	832	$	7,769	$	9,931
Total Past Due	$	40,363	$	35,316	$	24,638	$	100,317	$	28,467	$	1,407	$	27,062	$	56,936

__________________________________

⁽¹⁾  Acquired Loans exclude PCI loans.

Loans accounted for under ASC 310-30 are generally considered accruing and performing and the accretable discount is accreted to interest income over the estimated life of the loan when cash flows are reasonably estimable. Accordingly, PCI loans that are contractually past due can still considered to be accruing and performing loans. The loans may be classified as nonaccrual if the timing and amount of future cash flows is not reasonably estimable.

The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt, including, but not limited to, current financial information, historical payment experience, credit documentation, public information, and current economic trends. The Company analyzes loans individually by classifying the loans as to credit risk. This analysis includes all all loans with the exception of homogeneous loans, or loans that are evaluated together in pools of similar loans (i.e., home mortgage loans, home equity lines of credit, overdraft loans, express business loans, and automobile loans). Homogeneous loans are not risk rated and credit risk is analyzed largely by the number of days past due. This analysis is performed at least on a quarterly basis. The definitions for risk ratings are as follows:

28

• Pass: Loans that meet a preponderance or more of the Company’s underwriting criteria and evidence an acceptable level of risk.

• Special Mention: Loans that have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the institution’s credit position at some future date.

• Substandard: Loans that are inadequately protected by the current net worth and paying capacity of the borrower or by the collateral pledged, if any. Loans in this classification have a well-defined weakness or weaknesses that jeopardize the repayment of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

• Doubtful: Loans that have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or repayment in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

The following tables present the recorded investment of risk ratings for Legacy and Acquired Loans as of March 31, 2019 and December 31, 2018 by class of loans:

	As of March 31, 2019
	Pass/ Not Rated		Special Mention		Substandard		Doubtful		Total
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	43,214	$	—	$	542	$	—	$	43,756
Real estate—commercial
Retail	1,787,236		38,536		46,468		—		1,872,240
Hotel & motel	1,393,791		19,920		17,351		—		1,431,062
Gas station & car wash	816,235		2,785		2,152		—		821,172
Mixed use	554,637		12,401		13,200		—		580,238
Industrial & warehouse	716,760		1,655		37,160		—		755,575
Other	1,358,796		29,603		42,319		—		1,430,718
Real estate—construction	228,815		18,671		—		—		247,486
Commercial business	1,970,125		31,097		58,294		351		2,059,867
Trade finance	163,965		—		5,242		—		169,207
Consumer and other	872,202		3		783		—		872,988
Subtotal	$	9,905,776	$	154,671	$	223,511	$	351	$	10,284,309
Acquired Loans:
Real estate—residential	$	5,151	$	390	$	336	$	—	$	5,877
Real estate—commercial
Retail	434,314		3,691		25,042		—		463,047
Hotel & motel	173,408		300		18,051		—		191,759
Gas station & car wash	134,400		218		6,054		—		140,672
Mixed use	76,806		20,674		8,327		—		105,807
Industrial & warehouse	167,852		4,256		19,820		218		192,146
Other	372,168		11,201		28,559		—		411,928
Real estate—construction	13,049		9,302		—		—		22,351
Commercial business	81,554		640		16,363		—		98,557
Trade finance	—		—		3,066		—		3,066
Consumer and other	130,545		30		3,504		—		134,079
Subtotal	$	1,589,247	$	50,702	$	129,122	$	218	$	1,769,289
Total	$	11,495,023	$	205,373	$	352,633	$	569	$	12,053,598

29

	As of December 31, 2018
	Pass/ Not Rated		Special Mention		Substandard		Doubtful		Total
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	44,066	$	—	$	546	$	—	$	44,612
Real estate—commercial
Retail	1,815,170		18,072		30,686		—		1,863,928
Hotel & motel	1,389,349		21,932		15,869		—		1,427,150
Gas station & car wash	814,291		2,810		2,464		—		819,565
Mixed use	510,021		12,480		13,292		—		535,793
Industrial & warehouse	711,236		1,665		38,332		—		751,233
Other	1,326,795		35,539		34,618		—		1,396,952
Real estate—construction	227,231		10,904		—		—		238,135
Commercial business	1,944,783		18,220		54,688		—		2,017,691
Trade finance	191,508		—		2,558		—		194,066
Consumer and other	910,292		—		441		—		910,733
Subtotal	$	9,884,742	$	121,622	$	193,494	$	—	$	10,199,858
Acquired Loans:
Real estate—residential	$	5,812	$	393	$	380	$	—	$	6,585
Real estate—commercial
Retail	483,939		4,651		17,332		35		505,957
Hotel & motel	186,761		807		19,472		—		207,040
Gas station & car wash	148,702		274		6,032		—		155,008
Mixed use	77,100		3,986		8,151		—		89,237
Industrial & warehouse	171,574		9,451		18,071		223		199,319
Other	402,247		12,902		28,996		—		444,145
Real estate—construction	29,058		7,883		—		—		36,941
Commercial business	89,611		1,083		19,237		8		109,939
Trade finance	—		—		3,124		—		3,124
Consumer and other	136,944		37		3,626		146		140,753
Subtotal	$	1,731,748	$	41,467	$	124,421	$	412	$	1,898,048
Total	$	11,616,490	$	163,089	$	317,915	$	412	$	12,097,906

The Company may reclassify loans held for investment to loans held for sale in the event that the Company plans to sell loans that were originated with the intent to hold to maturity. Loans transferred from held for investment to held for sale are carried at the lower of cost or fair value. The breakdown of loans by type that were reclassified from held for investment to held for sale for the three months ended March 31, 2019 and 2018 is presented in the following table:

	Three Months Ended March 31,
	2019		2018
Transfer of loans held for investment to held for sale	(Dollars in thousands)
Consumer	$	33,390	$	6,155

30

The adequacy of the allowance for loan losses is determined by management based upon an evaluation and review of the credit quality of the loan portfolio, consideration of historical loan loss experience, relevant internal and external factors that affect the collection of loans, and other pertinent factors.

Migration analysis is a formula methodology derived from the Bank’s actual historical net charge off experience for each loan class (type) or pool and risk grade. The migration analysis is centered on the Bank’s internal credit risk rating system. Management’s internal loan review and externally contracted credit review examinations are used to determine and validate loan risk grades. This credit review system takes into consideration factors such as: borrower’s background and experience; historical and current financial conditions; credit history and payment performance; economic conditions and their impact on various industries; type, fair value and volatility of the fair value of collateral; lien positions; and the financial strength of any guarantors.

A general loan loss allowance is provided on loans that are not specifically identified as impaired (“non-impaired loans”). The Bank’s general loan loss allowance has two components: quantitative and qualitative risk factors. The quantitative risk factors are based on the migration analysis methodology described above. Loans are classified by class and risk grade, and the historical loss migration is tracked for the various classes. Loss experience is quantified for a specified period and then weighted to place more significance on the most recent losses. That loss experience is then applied to the stratified portfolio at the end of each quarter. The Company utilizes nineteen non-homogeneous loan pools in the quantitative analysis process. The non-impaired commercial real estate loan portfolio is stratified into fourteen different loan pools based on property types and the non-impaired commercial and industrial and consumer loans are stratified into five different loan pools based on loan type in order to allocate historic loss experience on a more granular basis.

Additionally, in order to systematically quantify the credit risk impact of other trends and changes within the loan portfolio, the Bank utilizes qualitative adjustments to the migration analysis within established parameters. The parameters for making adjustments are established under a Credit Risk Matrix that provides seven possible scenarios for each of the factors below. The matrix allows for up to three positive (Major, Moderate, and Minor), three negative (Major, Moderate, and Minor), and one neutral credit risk scenarios within each factor for each loan type or pool. However, if information exists to warrant adjustment to the migration analysis, changes are made in accordance with the established parameters supported by narrative and/or statistical analysis. The Credit Risk Matrix and the nine possible scenarios enable the Bank to qualitatively adjust the Loss Migration Ratio by as much as 50 basis points in either direction (positive or negative) for each loan type pool. This matrix considers the following nine factors, which are patterned after the guidelines provided under the FFIEC Interagency Policy Statement on the Allowance for Loan and Lease Losses:

• Changes in lending policies and procedures, including underwriting standards and collection, charge off, and recovery practices;

• Changes in national and local economic and business conditions and developments, including the condition of various market segments;

• Changes in the nature and volume of the loan portfolio;

• Changes in the experience, ability, and depth of lending management and staff;

• Changes in the trends of the volume and severity of past due loans, classified loans, nonaccrual loans, troubled debt restructurings, and other loan modifications;

• Changes in the quality of the loan review system and the degree of oversight by the Directors;

• Changes in the value of underlying collateral for collateral-dependent loans;

• The existence and effect of any concentrations of credit and changes in the level of such concentrations; and

• The effect of external factors, such as competition, legal requirements, and regulatory requirements on the level of estimated losses in the loan portfolio.

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The Company also establishes specific loss allowances for loans that have identified potential credit risk conditions or circumstances related to a specific individual credit. The specific allowance amounts are determined in accordance with ASC 310-10-35-22, “Measurement of Impairment.” The loans identified as impaired will be accounted for in accordance with one of the three acceptable valuation methods: 1) the present value of future cash flows discounted at the loan’s effective interest rate; 2) the loan’s observable market price; or 3) the fair value of the collateral, if the loan is collateral dependent. For the collateral dependent impaired loans, management obtains a new appraisal to determine the amount of impairment as of the date that the loan became impaired. The appraisals are based on an “as is” valuation. To ensure that appraised values remain current, management either obtains updated appraisals every twelve months from a qualified independent appraiser or an internal evaluation of the collateral is performed by qualified personnel. If the third party market data indicates that the value of the collateral property has declined since the most recent valuation date, management adjusts the value of the property downward to reflect current market conditions. If the fair value of the collateral is less than the recorded amount of the loan, management recognizes impairment by creating or adjusting an existing valuation allowance with a corresponding charge to the provision for loan losses. If an impaired loan is expected to be collected through liquidation or operation of the underlying collateral, the loan is deemed to be collateral dependent and the amount of impairment is charged off against the allowance for loan losses.

The Company considers a loan to be impaired when it is probable that not all amounts due (principal and interest) will be collectible in accordance with the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. The significance of payment delays and payment shortfalls is determined on a case-by-case basis by taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

For commercial business loans, real estate loans, and certain consumer loans, management bases the measurement of loan impairment on the present value of the expected future cash flows, discounted at the loan’s effective interest rate, or on the fair value of the loan’s collateral if the loan is collateral dependent. The scope for evaluation of individual impairment includes all impaired loans greater than $500 thousand. The Company evaluates most loans of $500 thousand or less for impairment on a collective basis because these loans generally have smaller balances and are homogeneous in the underwriting of terms and conditions. If a loan is deemed to be impaired, the amount of the impairment is supported by a specific allowance which is included in the allowance for loan losses through a charge to the provision for loan losses.

For PCI loans, the allowance for loan losses is based upon expected cash flows for these loans. To the extent that a deterioration in borrower’s credit quality results in a decrease in expected cash flows subsequent to the acquisition of the loans, an allowance for loan losses would be established based on an estimate of future credit losses over the remaining life of the loans. Provision for loan losses for total acquired loans for the three months ended March 31, 2019 was $120 thousand which included $969 thousand in provision for loan losses related to PCI loans. Credit for loan losses on acquired loans for the three months ended March 31, 2018 was $2.2 million which included $225 thousand in credit for loan losses related to PCI loans. For the three months ended March 31, 2019, allowance for loan losses for PCI loans included an impairment adjustment of $878 thousand that resulted from a loan pool being paid off.

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The following table presents breakdown of loans by impairment method at March 31, 2019 and December 31, 2018:

	As of March 31, 2019
	Real Estate - Residential			Real Estate - Commercial			Real Estate - Construction			Commercial Business			Trade Finance			Consumer and Other			Total
	(Dollars in thousands)
Impaired loans (recorded investment)	$	—		$	83,202		$	—		$	38,804		$	8,409		$	1,735		$	132,150
Specific allowance	$	—		$	456		$	—		$	6,332		$	—		$	9		$	6,797
Specific allowance to impaired loans	N/A			0.55		%	N/A			16.32		%	N/A			0.52		%	5.14		%
Other loans	$	49,633		$	8,313,162		$	269,837		$	2,119,620		$	163,864		$	1,005,332		$	11,921,448
General allowance	$	145		$	51,035		$	1,501		$	26,044		$	698		$	7,997		$	87,420
General allowance to other loans	0.29		%	0.61		%	0.56		%	1.23		%	0.43		%	0.80		%	0.73		%
Total loans	$	49,633		$	8,396,364		$	269,837		$	2,158,424		$	172,273		$	1,007,067		$	12,053,598
Total allowance for loan losses	$	145		$	51,491		$	1,501		$	32,376		$	698		$	8,006		$	94,217
Total allowance to total loans	0.29		%	0.61		%	0.56		%	1.50		%	0.41		%	0.79		%	0.78		%

	As of December 31, 2018
	Real Estate - Residential			Real Estate - Commercial			Real Estate - Construction			Commercial Business			Trade Finance			Consumer and Other			Total
	(Dollars in thousands)
Impaired loans (recorded investment)	$	—		$	58,056		$	—		$	35,358		$	9,011		$	1,582		$	104,007
Specific allowance	$	—		$	437		$	—		$	4,351		$	—		$	3		$	4,791
Specific allowance to impaired loans	N/A			0.75		%	N/A			12.31		%	N/A			0.19		%	4.61		%
Other loans	$	51,197		$	8,337,271		$	275,076		$	2,092,272		$	188,179		$	1,049,904		$	11,993,899
General allowance	$	112		$	55,453		$	765		$	23,414		$	719		$	7,303		$	87,766
General allowance to other loans	0.22		%	0.67		%	0.28		%	1.12		%	0.38		%	0.70		%	0.73		%
Total loans	$	51,197		$	8,395,327		$	275,076		$	2,127,630		$	197,190		$	1,051,486		$	12,097,906
Total allowance for loan losses	$	112		$	55,890		$	765		$	27,765		$	719		$	7,306		$	92,557
Total allowance to total loans	0.22		%	0.67		%	0.28		%	1.30		%	0.36		%	0.69		%	0.77		%

Under certain circumstances, the Company provides borrowers relief through loan modifications. These modifications are either temporary in nature (“temporary modifications”) or are more substantive. The temporary modifications generally consist of interest only payments for a three to six month period, whereby principal payments are deferred. At the end of the modification period, the remaining principal balance is re-amortized based on the original maturity date. Loans subject to temporary modifications are generally downgraded to Special Mention or Substandard. At the end of the modification period, the loan either 1) returns to the original contractual terms; 2) is further modified and accounted for as a troubled debt restructuring in accordance with ASC 310-10-35; or 3) is disposed of through foreclosure or liquidation.

TDR loans are defined by ASC 310-40, “Troubled Debt Restructurings by Creditors” and evaluated for impairment in accordance with ASC 310-10-35. The concessions may be granted in various forms, including reduction in the stated interest rate, reduction in the amount of principal amortization, forgiveness of a portion of a loan balance or accrued interest, or extension of the maturity date. In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed on the probability that the borrower will be in payment default on their debt in the foreseeable future without the modification. This evaluation is performed under the Bank’s internal underwriting policy. At March 31, 2019, total TDR loans were $67.3 million, compared to $64.0 million at December 31, 2018.

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A summary of the recorded investment of TDR loans on accrual and nonaccrual status by type of concession as of March 31, 2019 and December 31, 2018 is presented below:

	As of March 31, 2019
	TDR Loans on Accrual Status								TDR Loans on Nonaccrual Status								Total TDRs
	Real Estate		Commercial Business		Other		Total		Real Estate		Commercial Business		Other		Total
	(Dollars in thousands)
Payment concession	$	5,088	$	930	$	33	$	6,051	$	2,583	$	508	$	—	$	3,091	$	9,142
Maturity / amortization concession	14,932		10,911		5,924		31,767		2,688		14,976		958		18,622		50,389
Rate concession	4,843		2,442		101		7,386		395		—		—		395		7,781
Total	$	24,863	$	14,283	$	6,058	$	45,204	$	5,666	$	15,484	$	958	$	22,108	$	67,312

	As of December 31, 2018
	TDR Loans on Accrual Status								TDR Loans on Nonaccrual Status								Total TDRs
	Real Estate		Commercial Business		Other		Total		Real Estate		Commercial Business		Other		Total
	(Dollars in thousands)
Payment concession	$	5,142	$	961	$	—	$	6,103	$	2,216	$	746	$	—	$	2,962	$	9,065
Maturity / amortization concession	14,012		17,257		7,391		38,660		—		10,166		73		10,239		48,899
Rate concession	4,872		672		103		5,647		401		—		—		401		6,048
Total	$	24,026	$	18,890	$	7,494	$	50,410	$	2,617	$	10,912	$	73	$	13,602	$	64,012

TDR loans on accrual status are comprised of loans that were accruing at the time of restructuring and for which the Company anticipates full repayment of both principal and interest under the restructured terms. TDR loans that are on nonaccrual status can be returned to accrual status after a period of sustained performance, generally determined to be six months of timely payments as modified.  Sustained performance includes the periods prior to the modification if the prior performance met or exceeded the modified terms. TDR loans on accrual status at March 31, 2019 were comprised of 17 commercial real estate loans totaling $24.9 million, 26 commercial business loans totaling $14.3 million, and 11 consumer and other loans totaling $6.1 million. TDR loans on accrual status at December 31, 2018 were comprised of 20 commercial real estate loans totaling $24.0 million, 37 commercial business loans totaling $18.9 million and 6 consumer and other loans totaling $7.5 million. The Company expects that TDR loans on accrual status as of March 31, 2019, which were all performing in accordance with their restructured terms, to continue to comply with the restructured terms because of the reduced principal or interest payments on these loans. TDR loans that were restructured at market interest rates and had sustained performance as agreed under the modified loan terms may be reclassified as non-TDR after each year end but are reserved for under ASC 310-10.

The Company has allocated $4.9 million and $3.0 million of specific reserves to TDR loans as of March 31, 2019 and December 31, 2018, respectively. 

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The following tables present the recorded investment of loans classified as TDR during the three months ended March 31, 2019 and 2018 by class of loans:

	Three Months Ended March 31, 2019					Three Months Ended March 31, 2018
	Number of Loans	Pre- Modification		Post- Modification		Number of Loans	Pre- Modification		Post- Modification
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	—	$	—	$	—	—	$	—	$	—
Real estate—commercial
Retail	—	—		—		1	15		15
Hotel & motel	1	152		152		—	—		—
Gas station & car wash	—	—		—		—	—		—
Mixed use	—	—		—		—	—		—
Industrial & warehouse	—	—		—		1	2,113		2,113
Other	1	140		140		1	1,240		1,240
Real estate—construction	—	—		—		—	—		—
Commercial business	6	5,357		5,357		3	3,659		3,659
Trade finance	—	—		—		—	—		—
Consumer and other	6	33		33		—	—		—
Subtotal	14	$	5,682	$	5,682	6	$	7,027	$	7,027
Acquired Loans:
Real estate—residential	—	$	—	$	—	—	$	—	$	—
Real estate—commercial
Retail	1	101		101		1	213		213
Hotel & motel	—	—		—		—	—		—
Gas station & car wash	—	—		—		—	—		—
Mixed use	—	—		—		1	2,725		2,725
Industrial & warehouse	—	—		—		—	—		—
Other	—	—		—		1	1,055		1,055
Real estate—construction	—	—		—		—	—		—
Commercial business	1	50		50		2	133		133
Trade finance	—	—		—		—	—		—
Consumer and other	—	—		—		—	—		—
Subtotal	2	$	151	$	151	5	$	4,126	$	4,126
Total	16	$	5,833	$	5,833	11	$	11,153	$	11,153

For TDRs modified during the three months ended March 31, 2019, the Company recorded $1.6 million in specific reserves. There were no charge offs of TDR loans modified during the three months ended March 31, 2019. For TDR loans modified during the three months ended March 31, 2018, the Company recorded $78 thousand in specific reserves. There were no charge offs of TDR loans modified during the three months ended March 31, 2018.

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The following table presents loans modified as TDRs within the previous twelve months ended March 31, 2019 and March 31, 2018 that subsequently had payment defaults during the three months ended March 31, 2019 and March 31, 2018:

	Three Months Ended March 31, 2019			Three Months Ended March 31, 2018
	Number of Loans	Balance		Number of Loans	Balance
	(Dollars in thousands)
Legacy Loans:
Real estate—commercial
Retail	1	$	48	1	$	625
Hotel & motel	—	—		—	—
Gas station & car wash	—	—		—	—
Mixed Use	—	—		—	—
Industrial & warehouse	—	—		—	—
Other	—	—		—	—
Real estate—construction	—	—		—	—
Commercial business	2	4,030		—	—
Trade finance	1	898		—	—
Consumer and other	1	5		—	—
Subtotal	5	$	4,981	1	$	625
Acquired Loans:
Real estate—commercial
Retail	—	$	—	—	$	—
Hotel & motel	1	73		—	—
Gas station & car wash	—	—		—	—
Mixed Use	—	—		—	—
Industrial & warehouse	1	236		—	—
Other	—	—		1	3,042
Real estate—construction	—	—		—	—
Commercial business	4	383		—	—
Trade finance	—	—		—	—
Consumer and other	—	—		—	—
Subtotal	6	$	692	1	$	3,042
Total	11	$	5,673	2	$	3,667

A loan is considered to be in payment default once it is 30 days contractually past due under the modified terms. The Company recorded $134 thousand in specific reserves for TDR loans that had payment defaults during the three months ended March 31, 2019. There were no charge offs for TDR loans that had payment defaults during the three months ended March 31, 2019.

There were five Legacy TDR loans and six Acquired TDR loans that subsequently defaulted during the three months ended March 31, 2019. Legacy TDR loans were modified as follows: one commercial real estate loans totaling $48 thousand was modified through a payment extension, two commercial business loans totaling $4.0 million were modified through maturity extensions, one trade finance loan totaling $898 thousand was modified through a maturity extension, and one consumer loan was modified through a payment extension. Acquired TDR loans that defaulted were modified as follows: two commercial real estate loans totaling $309 thousand were modified through payment extensions, three commercial business loans totaling $250 thousand were modified through payment extensions and one commercial business loan totaling $133 thousand was modified through a maturity extension.

As of March 31, 2018, there were no specific reserves for the TDR loans that had payment defaults during the three months ended March 31, 2018. There were no charge offs for TDR loans that had payment defaults during the three months ended March 31, 2018.

There was one Legacy commercial real estate loan totaling $625 thousand that subsequently defaulted during the three months ended March 31, 2018 that was modified through a maturity concession. There was one Acquired commercial real estate loan totaling $3.0 million that subsequently defaulted during the three months ended March 31, 2018 that was modified through a payment concession.

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8.    Leases

On January 1, 2019, the Company adopted ASU 2016-02, “Leases (Topic 842)”, using the modified retrospective approach under ASC 842 (See footnote 2 “Basis of Presentation” for additional information regarding adoption of ASU 2016-02). The Company’s operating leases are real estate leases which are comprised of bank branches, loan production offices, and office spaces with remaining lease terms ranging from 1 to 12 years as of March 31, 2019.  Certain lease arrangements contain extension options which are typically around 5 years. As these extension options are not generally considered reasonably certain of exercise, they are not included in the lease term. 

At March 31, 2019, operating lease right-of-use (“ROU”) assets and related liabilities were $62.4 million and $62.8 million, respectively. At March 31, 2019, the short term operating lease liability totaled $12.4 million and the long term operating lease liability totaled $50.4 million. The Company defines short term operating lease liabilities as liabilities due in twelve months or less and long term lease liabilities are defined as liabilities that are due in more than twelve months at the end of each reporting period. The Company did not have any finance leases at March 31, 2019. During the three months ended March 31, 2019, the Company extended four leases ranging from one to five years and reassessed the ROU asset and lease liability related to these leases.

Operating lease ROU assets represent the Company’s right to use the underlying asset during the lease term and operating lease liabilities represent the Company’s obligation to make lease payments arising from the lease. ROU assets and operating lease liabilities are recognized at lease commencement based on the present value of the remaining lease payments using the Company’s incremental borrowing rate at the lease commencement date. Operating lease expense, which is comprised of amortization of the ROU asset and the implicit interest accreted on the operating lease liability, is recognized on a straight-line basis over the lease term, and is recorded in occupancy expense in the Consolidated Statements of Income. The Company’s occupancy expense also includes variable lease costs which is comprised of the Company's share of actual costs for utilities, common area maintenance, property taxes, and insurance that are not included in lease liabilities and are expensed as incurred. Variable lease costs can also include rent escalations based on changes to indices, such as the Consumer Price Index, where the Company estimates future rent increases and records the actual difference to variable costs.

The Company uses its incremental borrowing rate to present value lease payments in order to recognize an ROU asset and the related lease liability. The Company calculates its incremental borrowing rate by adding a spread to the FHLB borrowing interest rate at the given period.

The table below summarizes the Company’s net lease cost:

	Three months ended March 31, 2019
	(Dollars in thousands)
Operating lease cost	$	4,123
Short term lease cost	9
Variable lease cost	703
Sublease income	(157		)
Net lease cost	$	4,678

Rent expense for the three months ended March 31, 2019 and March 31, 2018 was $4.7 million and $4.4 million, respectively.

The table below summarizes other information related to the Company’s operating leases:

	Three months ended March 31, 2019
	(Dollars in thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	3,663
Right-of-use assets obtained in exchange for lease liabilities, net	62,360
Weighted-average remaining lease term - operating leases	6.2 years
Weighted-average discount rate - operating leases	3.20	%

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The table below summarizes the maturity of remaining lease liabilities:

	March 31, 2019
	(Dollars in thousands)
2019	$	10,788
2020	12,996
2021	12,135
2022	8,178
2023	6,160
2024 and thereafter	19,691
Total lease payments	69,948
Less: imputed interest	7,115
Total lease obligations	$	62,833

As of March 31, 2019, the Company did not have any additional operating lease commitments that have not yet commenced.

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9.    Deposits

The aggregate amount of time deposits in denominations of more than $250 thousand at March 31, 2019 and December 31, 2018, was $1.84 billion and $1.77 billion, respectively. Included in time deposits of more than $250 thousand were $300.0 million in California State Treasurer’s deposits at March 31, 2019 and December 31, 2018. The California State Treasurer’s deposits are subject to withdrawal based on the State’s periodic evaluations. The Company is required to pledge eligible collateral of at least 110% of outstanding deposits. At March 31, 2019 and December 31, 2018, securities with carrying values of approximately $341.2 million and $336.8 million, respectively, were pledged as collateral for the California State Treasurer’s deposit.

The Company also utilizes brokered deposits as a secondary source of funds. Total brokered deposits at March 31, 2019 and December 31, 2018, totaled $1.57 billion and $1.57 billion, respectively. Brokered deposits at March 31, 2019 consisted of $306.9 million in money market and NOW accounts and $1.27 billion in time deposits accounts. Brokered deposits at December 31, 2018 consisted of $370.4 million in money market and NOW accounts and $1.20 billion in time deposit accounts.

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10.    Borrowings

The Company maintains a line of credit with the Federal Home Loan Bank (“FHLB”) of San Francisco as a secondary source of funds. The borrowing capacity with the FHLB is limited to the lower of 25% of the Bank’s total assets or the Bank’s collateral capacity, which was $3.83 billion at March 31, 2019, and $3.81 billion at December 31, 2018. The terms of this credit facility require the Company to pledge eligible collateral with the FHLB equal to at least 100% of outstanding advances. The Company also has an unsecured credit facility with the FHLB totaling $95.0 million million at March 31, 2019.

At March 31, 2019 and December 31, 2018, real estate secured loans with a carrying amount of approximately $6.16 billion and $6.01 billion, respectively, were pledged at the FHLB for outstanding advances and remaining borrowing capacity. At March 31, 2019 and December 31, 2018, other than FHLB stock, no securities were pledged as collateral at FHLB. The purchase of FHLB stock is a prerequisite to become a member of the FHLB system, and the Company is required to own a certain amount of FHLB stock based on outstanding borrowings.

At March 31, 2019 and December 31, 2018, FHLB advances totaling $720.0 million and $821.3 million, respectively, had weighted average effective interest rates of 1.88% and 1.78%, respectively. FHLB advances at March 31, 2019 and December 31, 2018 had various maturities through December 2022. The effective interest rate of FHLB advances as of March 31, 2019 ranged between 1.08% and 2.57%. At March 31, 2019, the Company’s remaining borrowing capacity with the FHLB was $3.09 billion.

Although the Company maintains borrowing lines with other banks, there were no federal funds purchased from other banks at March 31, 2019 and December 31, 2018.

At March 31, 2019, the contractual maturities for FHLB advances were as follows:

	March 31, 2019
Scheduled maturities in:	(Dollars in thousands)
2019	$	245,000
2020	185,000
2021	145,000
2022	145,000
Total	$	720,000

As a member of the Federal Reserve Bank (“FRB”) system, the Bank may also borrow from the FRB of San Francisco. The maximum amount that the Bank may borrow from the FRB’s discount window is up to 95% of the fair market value of the qualifying loans and securities that are pledged. At March 31, 2019, the outstanding principal balance of the qualifying loans pledged at the FRB was $1.04 billion and there were no investment securities pledged. At March 31, 2019 and December 31, 2018, the total available borrowing capacity at the FRB discount window was $844.1 million and $786.6 million, respectively. There were no borrowings outstanding at the FRB discount window as of March 31, 2019 and December 31, 2018.

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11.    Subordinated Debentures and Convertible Notes

Subordinated Debt

At March 31, 2019, the Company had nine wholly owned subsidiary grantor trusts that had issued $126.0 million of pooled trust preferred securities. Trust preferred securities accrue and pay distributions periodically at specified annual rates as provided in the indentures. The trusts used the net proceeds from the offering to purchase a like amount of subordinated debentures (the “Debentures”). The Debentures are the sole assets of the trusts. The Company’s obligations under the subordinated debentures and related documents, taken together, constitute a full and unconditional guarantee by the Company of the obligations of the trusts. The trust preferred securities are mandatorily redeemable upon the maturity of the Debentures, or upon earlier redemption as provided in the indentures. The Company has the right to redeem the Debentures in whole (but not in part) on a quarterly basis at a redemption price specified in the indentures plus any accrued but unpaid interest to the redemption date. The Company also has a right to defer consecutive payments of interest on the debentures for up to five years.

The following table is a summary of trust preferred securities and Debentures at March 31, 2019:

Issuance Trust	Issuance Date	Trust Preferred Security Amount		Carrying Value of Debentures		Rate Type	Current Rate	Maturity Date
		(Dollars in thousands)
Nara Capital Trust III	06/05/2003	$	5,000	$	5,155	Variable	5.76%	06/15/2033
Nara Statutory Trust IV	12/22/2003	5,000		5,155		Variable	5.64%	01/07/2034
Nara Statutory Trust V	12/17/2003	10,000		10,310		Variable	5.56%	12/17/2033
Nara Statutory Trust VI	03/22/2007	8,000		8,248		Variable	4.26%	06/15/2037
Center Capital Trust I	12/30/2003	18,000		14,076		Variable	5.64%	01/07/2034
Wilshire Trust II	03/17/2005	20,000		15,580		Variable	4.40%	03/17/2035
Wilshire Trust III	09/15/2005	15,000		10,994		Variable	4.01%	09/15/2035
Wilshire Trust IV	07/10/2007	25,000		17,828		Variable	3.99%	09/15/2037
Saehan Capital Trust I	03/30/2007	20,000		14,855		Variable	4.21%	06/30/2037
Total		$	126,000	$	102,201

The Company’s investment in the common trust securities of the issuer trusts was $3.9 million at March 31, 2019 and is included in other assets. Although the subordinated debt issued by the trusts are not included as a component of stockholders’ equity in the Consolidated Statements of Financial Condition, the debt is treated as capital for regulatory purposes. The trust preferred security debt issuances are includable in Tier 1 capital up to a maximum of 25% of capital on an aggregate basis. Any amount that exceeds 25% qualifies as Tier 2 capital.

Convertible Notes

On May 11, 2018, the Company issued $200 million aggregate principal amount of 2.00% convertible senior notes maturing on May 15, 2038 in a private offering to qualified institutional buyers under Rule 144A of the Securities Act of 1933. Subsequently on June 7, 2018, an additional $17.5 million in convertible notes were issued as part of the initial offering over-allotment option. In total, the Company issued $217.5 million in convertible notes during the second quarter of 2018. The convertible notes can be converted into shares of the Company’s common stock at an initial rate of 45.0760 shares per $1,000 principal amount of the notes (equivalent to an initial conversion price of approximately $22.18 per share of common stock which represents a premium of 22.5% to the closing stock price on the date of the pricing of the notes). Holders of the convertible notes have the option to convert all or a portion of the notes at any time on or after February 15, 2023. Prior to February 15, 2023, the convertible notes cannot be converted unless under certain specified scenarios. The convertible notes can be called by the Company, in part or in whole, on or after May 20, 2023 for 100% of the principal amount in cash. Holders of the convertible notes also have the option to put the notes back to the Company on May 15, 2023, May 15, 2028, or May 15, 2033 for 100% of the principal amount in cash. The convertible notes can be settled in cash, stock, or a combination of stock and cash at the option of the Company.

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The convertible notes were issued as part of the Company’s plan to repurchase its common stock. On April 26, 2018, the Company’s Board of Directors approved a share repurchase program that authorized the Company to use up to $100.0 million of the proceeds from the convertible notes offering to repurchase its common stock. The net proceeds from the offering, after deducting the initial purchaser’s discount, was approximately $213.2 million. Of the total net proceeds, $113.2 million was down-streamed to the Bank as equity and the remaining $100.0 million was allocated for share repurchases. The Company used approximately $76.0 million of the allocated $100.0 million to repurchase shares of its common stock from purchasers of the convertible notes in privately negotiated transactions at a purchase price per share equal to the $18.11 per share closing price of the Company’s common stock on May 11, 2018. Subsequently, the Company repurchased additional shares of common stock on the open market. On September 20, 2018, the Company’s Board of Directors approved another share repurchase program that authorized the Company to repurchase up to $50.0 million in common stock. As of December 31, 2018, the Company completed all of the authorized share repurchases totaling $150.0 million, or 9.0 million shares at an average weighted price of $16.65.

In accordance with accounting principles, the convertible notes issued by the Company were separated into a debt component and an equity component which represents the stock conversion option. The present value of the convertible notes was calculated based on a discount rate of 4.25%, which represented the current offering rate for similar types of debt without conversion options. The effective life of the convertible notes was estimated to be five years based on the first call and put date. The difference between the principal amount of the notes and the present value was recorded as the convertible note discount and additional paid-in capital. The issuance costs related to the offering were also allocated into a debt component to be capitalized, and an equity component in the same percentage allocation of debt and equity of the convertible note. The value of the convertible note at issuance and carrying value as of March 31, 2019 and December 31, 2018 is presented in the tables below:

					As of March 31, 2019
	Amortization/ Capitalization Period	Gross Carrying Amount			Accumulated Amortization / Capitalization		Carrying Amount
		(Dollars in thousands)
Convertible notes principal balance		$	217,500		$	—	$	217,500
Discount	5 years	(21,880		)	3,557		(18,323		)
Issuance costs to be capitalized	5 years	(4,119		)	696		(3,423		)
Carrying balance of convertible notes		$	191,501		$	4,253	$	195,754

					As of December 31, 2018
	Amortization/ Capitalization Period	Gross Carrying Amount			Accumulated Amortization / Capitalization		Carrying Amount
		(Dollars in thousands)
Convertible notes principal balance		$	217,500		$	—	$	217,500
Discount	5 years	(21,880		)	2,544		(19,336		)
Issuance costs to be capitalized	5 years	(4,119		)	498		(3,621		)
Carrying balance of convertible notes		$	191,501		$	3,042	$	194,543

Interest expense on the convertible notes for the three months ended March 31, 2019 totaled $2.3 million. Interest expense for the Company’s convertible notes includes accrued interest on the convertible note coupon, non-cash interest expense representing the conversion option or note discount, and interest expense from capitalized issuance costs. Non-cash interest expense and issuance cost capitalization expense will only be recorded for the first five outstanding years of the convertible notes. Subsequent to May 15, 2023, interest expense on the convertible notes will consist of only accrued interest on the coupon.

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12.    Derivative Financial Instruments

The Company offers a loan hedging program to certain loan customers. Through this program, the Company originates a variable rate loan with the customer. The Company and the customer will then enter into a fixed interest rate swap. Lastly, an identical offsetting swap is entered into by the Company with a correspondent bank. These “back-to-back” swap arrangements are intended to offset each other and allow the Company to book a variable rate loan, while providing the customer with a contract for fixed interest payments. In these arrangements, the Company’s net cash flow is equal to the interest income received from the variable rate loan originated with the customer. These customer swaps are not designated as hedging instruments and are recorded at fair value in other assets and other liabilities. The changes in fair value is recognized in the income statement in other income and fees.

At March 31, 2019 and December 31, 2018, interest rate swaps related to the Company’s loan hedging program that were outstanding is presented in the following table:

	March 31, 2019			December 31, 2018
	(Dollars in thousands)
Interest rate swaps on loans with correspondent banks (included in other assets)
Notional amount	$	124,318		$	36,972
Weighted average remaining term (years)	7.2			6.4
Received fixed rate (weighted average)	4.78		%	5.12		%
Pay variable rate (weighted average)	4.78		%	4.56		%
Estimated fair value	$	2,173		$	868
Interest rate swaps on loans with correspondent banks (included in other liabilities)
Notional amount	$	152,212		$	237,916
Weighted average remaining term (years)	6.0			6.8
Received variable rate (weighted average)	4.22		%	4.36		%
Pay fixed rate (weighted average)	4.96		%	4.69		%
Estimated fair value	$	2,967		$	6,191
Back to back interest rate swaps with loan customers (included in other liabilities)
Notional amount	$	124,318		$	36,972
Weighted average remaining term (years)	7.2			6.4
Received fixed rate (weighted average)	4.78		%	4.56		%
Pay variable rate (weighted average)	4.78		%	5.12		%
Estimated fair value	$	2,173		$	868
Back to back interest rate swaps with loan customers (included in other assets)
Notional amount	$	152,212		$	237,916
Weighted average remaining term (years)	6.0			6.8
Received variable rate (weighted average)	4.96		%	4.69		%
Pay fixed rate (weighted average)	4.22		%	4.36		%
Estimated fair value	$	2,967		$	6,191

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The Company enters into various stand-alone mortgage-banking derivatives in order to hedge the risk associated with the fluctuation of interest rates. Changes in fair value are recorded as mortgage banking revenue. Residential mortgage loans funded with interest rate lock commitments and forward commitments for the future delivery of mortgage loans to third party investors are considered derivatives. At March 31, 2019, the Company had approximately $12.4 million in interest rate lock commitments and total forward sales commitments for the future delivery of residential mortgage loans. At December 31, 2018, the Company had approximately $874 thousand in interest rate lock commitments and total forward sales commitments for the future delivery of residential mortgage loans.

The following table reflects the notional amount and fair value of mortgage banking derivatives for the dates indicated:

	As of March 31, 2019				As of December 31, 2018
	Notional Amount		Fair Value		Notional Amount		Fair Value
	(Dollars in thousands)
Assets:
Interest rate lock commitments	$	9,415	$	76	$	874	$	10
Forward sale contracts related to mortgage banking	$	4,390	$	9	$	—	$	—
Liabilities:
Interest rate lock commitments	$	3,020	$	2	$	—	$	—
Forward sale contracts related to mortgage banking	$	8,045	$	35	$	874	$	3

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13.    Commitments and Contingencies

In the normal course of business, the Company is a party to financial instruments with off-balance sheet risk that are used to meet the financing needs of customers. These financial instruments include commitments to extend credit, standby letters of credit, commercial letters of credit, commitments to fund investments in affordable housing partnerships, and mortgage derivatives. These instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Statements of Financial Condition. The Company’s exposure to credit loss in the event of nonperformance on commitments to extend credit and standby letters of credit is represented by the contractual notional amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as the Company does for extending loan facilities to customers. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary upon extension of credit, is based on the Company’s credit evaluation of the counterparty. The types of collateral that the Company may hold can vary and may include accounts receivable, inventory, property, plant and equipment, and income-producing properties.

Commitments at March 31, 2019 and December 31, 2018 are summarized as follows:

	March 31, 2019		December 31, 2018
	(Dollars in thousands)
Commitments to extend credit	$	1,812,992	$	1,712,032
Standby letters of credit	72,049		69,763
Other letters of credit	64,553		65,822
Commitments to fund investments in affordable housing partnerships	40,709		46,507
Interest rate lock	12,435		874
Forward sale commitments	12,435		874

In the normal course of business, the Company is involved in various legal claims. The Company has reviewed all legal claims against the Company with counsel and has taken into consideration the views of such counsel as to the potential outcome of the claims. Loss contingencies for all legal claims totaled $100 thousand at March 31, 2019 and $755 thousand at December 31, 2018. It is reasonably possible the Company may incur losses in addition to the amounts currently accrued. However, at this time, the Company is unable to estimate the range of additional losses that are reasonably possible because of a number of factors, including the fact that certain of these litigation matters are still in their early stages and involve claims that the Company believes has little to no merit. The Company has considered these and other possible loss contingencies and does not expect the amounts to be material to the consolidated financial statements.

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14.    Goodwill, Intangible Assets, and Servicing Assets

Goodwill represents the excess of the purchase price over the sum of the estimated fair values of the tangible and identifiable intangible assets acquired less the estimated fair value of the liabilities assumed. Goodwill has an indefinite useful life and is evaluated for impairment annually or more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss is recognized to the extent that the carrying amount exceeds the asset’s fair value. At December 31, 2018, the Company assessed the qualitative factors related to intangible assets and goodwill and for the year to determine whether it was more-likely-than-not that the fair value was less than its carrying amount. Based on the analysis of these factors, management determined that it was more-likely-than-not that intangible assets were not impaired and that the fair value of goodwill exceeded the carrying value and that the two-step goodwill impairment test was not needed. Goodwill is not amortized for book purposes and is not tax deductible.

The carrying amount of the Company’s goodwill as of March 31, 2019 and December 31, 2018 was $464.5 million. There was no impairment of goodwill during the three months ended March 31, 2019.

Core deposit intangible assets are amortized over their estimated lives, which range from seven to ten years. Amortization expense related to core deposit intangible assets totaled $557 thousand and $616 thousand for the three months ended March 31, 2019 and 2018, respectively. The following table provides information regarding the core deposit intangibles at March 31, 2019 and December 31, 2018:

				As of March 31, 2019					As of December 31, 2018
Core Deposit Intangibles Related To:	Amortization Period	Gross Amount		Accumulated Amortization			Carrying Amount		Accumulated Amortization			Carrying Amount
		(Dollars in thousands)
Center Financial acquisition	7 years	$	4,100	$	(4,100	)	$	—	$	(4,100	)	$	—
Pacific International Bank acquisition	7 years	604		(585		)	19		(579		)	25
Foster Bankshares acquisition	10 years	2,763		(1,950		)	813		(1,893		)	870
Wilshire Bancorp acquisition	10 years	18,138		(5,466		)	12,672		(4,972		)	13,166
Total		$	25,605	$	(12,101	)	$	13,504	$	(11,544	)	$	14,061

Servicing assets are recognized when SBA and residential mortgage loans are sold with servicing retained with the income statement effect recorded in gains on sales of loans. Servicing assets are initially recorded at fair value based on the present value of the contractually specified servicing fee, net of servicing costs, over the estimated life of the loan, using a discount rate. The Company’s servicing costs approximates the industry average servicing costs of 40 basis points. All classes of servicing assets are subsequently measured using the amortization method which requires servicing rights to be amortized into noninterest income in proportion to, and over the period of, the estimated future net servicing income of the underlying loans.

Management periodically evaluates servicing assets for impairment based upon the fair value of the rights as compared to the carrying amount. Impairment is determined by stratifying rights into groupings based on loan type. Impairment is recognized through a valuation allowance for an individual grouping, to the extent that fair value is less than the carrying amount. As of March 31, 2019 and December 31, 2018, the Company did not have a valuation allowance for servicing assets.

The changes in servicing assets for the three months ended March 31, 2019 and 2018 were as follows:

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	23,132		$	24,710
Additions through originations of servicing assets	327			1,716
Amortization	(2,052		)	(1,560		)
Balance at end of period	$	21,407		$	24,866

Loans serviced for others are not reported as assets. The principal balances of loans serviced for other institutions were $1.53 billion as of March 31, 2019 and $1.55 billion as of December 31, 2018.

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The Company utilizes the discounted cash flow method to calculate the initial excess servicing assets. The inputs used in evaluating servicing assets for impairment at March 31, 2019 and December 31, 2018 are presented below.

	March 31, 2019	December 31, 2018
SBA Servicing Assets:
Weighted-average discount rate	11.48%	11.23%
Constant prepayment rate	12.28%	11.09%
Mortgage Servicing Assets:
Weighted-average discount rate	9.75%	10.25%
Constant prepayment rate	8.74%	7.13%

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15.    Income Taxes

For the three months ended March 31, 2019, the Company had an income tax provision totaling $14.4 million on pretax income of $57.2 million, representing an effective tax rate of 25.24%, compared with an income tax provision of $17.7 million on pretax income of $69.0 million, representing an effective tax rate of 25.71% for the three months ended March 31, 2018. The reduction in effective tax rate for the three months ended March 31, 2019 compared to the three months ended March 31, 2018 was primarily due to the increase in affordable housing partnership investment tax credits for the three months ended March 31, 2019 compared to the three months ended March 31, 2018.

The Company and its subsidiaries are subject to U.S. federal income tax, as well as state income taxes. The Company had total unrecognized tax benefits of $2.3 million at March 31, 2019 and $2.3 million at December 31, 2018, that relate to uncertainties associated with federal and state income tax matters. The Company recognizes interest and penalties on income tax matters in income tax expense. The Company recorded approximately $495 thousand and $470 thousand, for accrued interest (no portion was related to penalties) at March 31, 2019 and December 31, 2018, respectively.

Management believes it is reasonably possible that the unrecognized tax benefits may decrease by $2.3 million in the next twelve months due to a settlement with the state tax authorities.

The statute of limitations for the assessment of income taxes related to the consolidated federal income tax returns is closed for all tax years up to and including 2014. The expiration of the statute of limitations for the assessment of income and franchise taxes related to the various state income and franchise tax returns varies by state. The Company is currently under examination by the California Franchise Tax Board (FTB) for the 2011, 2012 and 2013 tax years. Wilshire Bancorp, Inc., an acquired entity, is currently under examination by the FTB for the 2011, 2012, and 2013 tax years. While the outcome of the examinations is unknown, the Company expects no material adjustments.

Income tax expense is the total of the current year income tax due or refundable and the change in deferred tax assets and liabilities (without regard to certain changes to deferred taxes). Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry forwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.

Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion, or all, of the deferred tax asset will not be realized. In assessing the realization of deferred tax assets, management evaluates both positive and negative evidence, including the existence of any cumulative losses in the current year and the prior two years, the amount of taxes paid in available carry-back years, the forecasts of future income, applicable tax planning strategies, and assessments of current and future economic and business conditions. This analysis is updated quarterly and adjusted as necessary. Based on the analysis, the Company has determined that a valuation allowance for deferred tax assets was not required as of March 31, 2019.

48

16.    Fair Value Measurements

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. There are three levels of inputs that may be used to measure fair value. The fair value inputs of the instruments are classified and disclosed in one of the following categories pursuant to ASC 820:

Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. The quoted price shall not be adjusted for any blockage factor (i.e., size of the position relative to trading volume).

Level 2 - Pricing inputs are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. Fair value is determined through the use of models or other valuation methodologies, including the use of pricing matrices. If the asset or liability has a specified (contractual) term, a Level 2 input must be observable for substantially the full term of the asset or liability.

Level 3 - Pricing inputs are unobservable for the asset or liability. Unobservable inputs are used to measure fair value to the extent that observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset or liability at the measurement date. The inputs into the determination of fair value require significant management judgment or estimation.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, an asset’s or liability’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.

The Company uses the following methods and assumptions in estimating fair value disclosures for financial instruments. Financial assets and liabilities recorded at fair value on a recurring and non-recurring basis are listed as follows:

Securities Available for Sale

The fair values of securities available for sale are determined by obtaining quoted prices on nationally recognized securities exchanges (Level 1 inputs) or matrix pricing, which is a technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities but rather by relying on the securities’ relationship to other benchmark quoted securities (Level 2 inputs).

The fair values of the Company’s Level 3 securities available for sale were measured using an income approach valuation technique. The primary inputs and assumptions used in the fair value measurement were derived from the securities’ underlying collateral, which included discount rates, prepayment speeds, payment delays, and an assessment of the risk of default of the underlying collateral, among other factors. Significant increases or decreases in any of the inputs or assumptions would result in a significant increase or decrease in the fair value measurement.

Equity Investments With Readily Determinable Fair Value

The fair value of the Company’s equity investments with readily determinable fair value is comprised of mutual funds and equity stock. The fair value for these investments is obtained from unadjusted quoted prices in active markets on the date of measurement and is therefore classified as Level 1.

Interest Rate Swaps

The Company offers interest rate swaps to certain loan customers to allow them to hedge the risk of rising interest rates on their variable rate loans. The Company originates a variable rate loan and enters into a variable-to-fixed interest rate swap with the customer. The Company also enters into an offsetting swap with a correspondent bank. These back-to-back agreements are intended to offset each other and allow the Company to originate a variable rate loan, while providing a contract for fixed interest payments for the customer. The net cash flow for the Company is equal to the interest income received from a variable rate loan originated with the customer. The fair value of these derivatives is based on a discounted cash flow approach. Due to the observable nature of the inputs used in deriving the fair value of these derivative contracts, the valuation of interest rate swaps is classified as Level 2.

Mortgage banking derivatives

Mortgage banking derivative instruments consist of interest rate lock commitments and forward sale contracts that trade in liquid markets. The fair value is based on the prices available from third party investors. Due to the observable nature of the inputs used in deriving the fair value, the valuation of mortgage banking derivatives are classified as Level 2.

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Impaired Loans

The fair values of impaired loans are generally measured for impairment using the practical expedients permitted by FASB ASC 310-10-35 including impaired loans measured at an observable market price (if available), or at the fair value of the loan’s collateral (if the loan is collateral dependent). Fair value of the loan’s collateral, when the loan is dependent on collateral, is determined by appraisals or independent valuation, less costs to sell of 8.5%. Appraisals may utilize a single valuation approach or a combination of approaches including comparable sales and income approach. Adjustment may be made in the appraisal process by the independent appraiser to adjust for differences between the comparable sales and income data available for similar loans and the underlying collateral. For commercial and industrial and asset backed loans, independent valuations may be comprised of a 20-60% discount for eligible accounts receivable and a 50-70% discount for inventory. These result in a Level 3 classification.

OREO

OREO is fair valued at the time the loan is foreclosed upon and the asset is transferred to OREO. The value is based primarily on third party appraisals, less costs to sell of 8.5% and result in a Level 3 classification of the inputs for determining fair value. OREO is reviewed and evaluated on at least a quarterly basis for additional impairment and adjusted to lower of cost or market accordingly, based on the same factors identified above.

Loans held for sale

Loans held for sale are carried at the lower of cost or fair value, as determined by outstanding commitments from investors, or based on recent comparable sales (Level 2 inputs), if available, and if not available, are based on discounted cash flows using current market rates applied to the estimated life and credit risk (Level 3 inputs) or may be assessed based upon the fair value of the collateral, which is obtained from recent real estate appraisals (Level 3 inputs). These appraisals may utilize a single valuation approach or a combination of approaches including the income approach. Adjustments are routinely made in the appraisal process by the appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are typically significant and result in Level 3 classification of the inputs for determining fair value.

Assets and liabilities measured at fair value on a recurring basis are summarized below:

			Fair Value Measurements at the End of the Reporting Period Using
	March 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Securities available for sale:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	872,297	$	—	$	872,297	$	—
Mortgage-backed securities:
Residential	394,541		—		394,541		—
Commercial	471,259		—		471,259		—
Corporate securities	3,986		—		3,986		—
Municipal securities	76,260		—		75,192		1,068
Equity investments with readily determinable fair value	24,319		24,319		—		—
Interest rate swaps	5,140		—		5,140		—
Mortgage banking derivatives	85		—		85		—
Liabilities:
Interest rate swaps	5,140		—		5,140		—
Mortgage banking derivatives	37		—		37		—

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			Fair Value Measurements at the End of the Reporting Period Using
	December 31, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Securities available for sale:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	895,122	$	—	$	895,122	$	—
Mortgage-backed securities:
Residential	402,605		—		402,605		—
Commercial	469,126		—		469,126		—
Corporate securities	3,826		—		3,826		—
Municipal securities	75,586		—		74,527		1,059
Equity investments with readily determinable fair value	23,405		23,405		—		—
Interest rate swaps	7,059		—		7,059		—
Mortgage banking derivatives	10		—		10		—
Liabilities:
Interest rate swaps	7,059		—		7,059		—
Mortgage banking derivatives	3		—		3		—

There were no transfers between Level 1, 2, and 3 during the three months ended March 31, 2019 and 2018.

The table below presents a reconciliation and income statement classification of losses for all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019		2018
	(Dollars in thousands)
Beginning Balance	$	1,059	$	1,108
Total losses included in other comprehensive income (loss)	9		(29		)
Ending Balance	$	1,068	$	1,079

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The Company measures certain assets at fair value on a non-recurring basis including impaired loans (excluding PCI loans), loans held for sale, and OREO. These fair value adjustments result from impairments recognized during the period, application of the lower of cost or fair value on loans held for sale, and the application of fair value less cost to sell on OREO.

Assets measured at fair value on a non-recurring basis are summarized below:

			Fair Value Measurements at the End of the Reporting Period Using
	March 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	9,518	$	—	$	—	$	9,518
Commercial business	15,874		—		—		15,874
Trade finance	101		—		—		101
OREO	5,111		—		—		5,111

			Fair Value Measurements at the End of the Reporting Period Using
	December 31, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	9,379	$	—	$	—	$	9,379
Commercial business	9,951		—		—		9,951
Consumer	66		—		—		66
OREO	5,659		—		—		5,659

For assets measured at fair value on a non-recurring basis, the total net gains (losses), which include charge offs, recoveries, specific reserves, and recognized gains and losses on sales are summarized below:

	For the Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	1,048		$	(5,572	)
Commercial business	(3,231		)	(899		)
Trade Finance	—			15
Consumer	(285		)	(315		)
OREO	62			72

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Fair Value of Financial Instruments

Carrying amounts and estimated fair values of financial instruments, not previously presented, at March 31, 2019 and December 31, 2018 were as follows:

	March 31, 2019
	Carrying Amount		Estimated Fair Value		Fair Value Measurement Using
	(Dollars in thousands)
Financial Assets:
Cash and cash equivalents	$	612,884	$	612,884	Level 1
Interest bearing deposits in other financial institutions	30,141		30,148		Level 2
Equity investments without readily determinable fair values	26,554		26,554		Level 2
Loans held for sale	921		931		Level 2
Loans receivable—net	11,959,787		11,755,447		Level 3
Accrued interest receivable	34,831		34,831		Level 2/3
Servicing assets, net	21,407		22,971		Level 3
Customers’ liabilities on acceptances	1,896		1,896		Level 2
Financial Liabilities:
Noninterest bearing deposits	$	2,948,751	$	2,948,751	Level 2
Saving and other interest bearing demand deposits	3,310,482		3,310,482		Level 2
Time deposits	5,989,963		6,075,173		Level 2
FHLB advances	720,000		715,922		Level 2
Convertible notes, net	195,754		191,437		Level 1
Subordinated debentures	102,201		117,726		Level 2
Accrued interest payable	37,511		37,511		Level 2
Acceptances outstanding	1,896		1,896		Level 2
	December 31, 2018
	Carrying Amount		Estimated Fair Value		Fair Value Measurement Using
	(Dollars in thousands)
Financial Assets:
Cash and cash equivalents	$	459,606	$	459,606	Level 1
Interest bearing deposits in other financial institutions	29,409		29,374		Level 2
Equity investments without readily determinable fair values	26,430		26,430		Level 2
Loans held for sale	25,128		25,943		Level 2
Loans receivable—net	12,005,558		11,913,906		Level 3
Accrued interest receivable	32,225		32,225		Level 2/3
Servicing assets, net	23,132		24,762		Level 3
Customers’ liabilities on acceptances	2,281		2,281		Level 2
Financial Liabilities:
Noninterest bearing deposits	$	3,022,633	$	3,022,633	Level 2
Saving and other interest bearing demand deposits	3,262,399		3,262,399		Level 2
Time deposits	5,870,624		5,889,030		Level 2
FHLB advances	821,280		810,812		Level 2
Convertible debt	194,543		180,525		Level 1
Subordinated debentures	101,929		116,542		Level 2
Accrued interest payable	31,374		31,374		Level 2
Acceptances outstanding	2,281		2,281		Level 2

53

During the first quarter of 2018, the Company adopted ASU 2016-01, “Financial Instruments-Overall: Recognition and Measurement of Financial Assets and Financial Liabilities.” Among other things, the guidance requires the Company to base their fair value disclosures for financial instruments that are not measured at fair value in the financial statements on the exit price notion as opposed to an entry pricing notion. Prior to the adoption of ASU 2016-01, the Company used the entry prices to measure the fair value of certain assets and liabilities including loans, deposits, and subordinated debentures as permitted by ASC 820-10. However, upon adoption of ASU 2016-01, the Company began measuring these assets and liabilities based on the exit price notion. Although the exit price notion represents the value that would be received to sell an asset or paid to transfer a liability, the actual price received for a sale of assets or paid to transfer liabilities could be different from exit price disclosed.

The methods and assumptions used to estimate fair value are described as follows:

The carrying amount is the estimated fair value for cash and cash equivalents, savings and other interest bearing demand deposits, equity investments without readily determinable fair values, customer’s and Bank’s liabilities on acceptances, noninterest bearing deposits, short-term debt, secured borrowings and variable rate loans or deposits that reprice frequently and fully. For loans the fair value is determined through a discounted cash flow analysis which incorporates probability of default and loss given default rates on an individual loan basis. The discount rate is based on the LIBOR Swap Rate for fixed rate loans, while variable loans start with the corresponding index rate and an adjustment was made on certain loans which considered factors such as servicing costs, capital charges, duration, asset type incremental costs, and use of projected cash flows. Residential real estate loans fair values included Fannie Mae and Freddie Mac prepayment speed assumptions or a third party index based on historical prepayment speeds. Fair value of time deposits is based discounted cash flow analysis using recent issuance rates over the prior three months and a market rate analysis of recent offering rates for retail products. Wholesale time deposits fair values incorporated brokered time deposit offering rates. The fair value of the Company’s debt is based on current rates for similar financing. Fair value for the Company’s convertible notes is based on the actual last traded price of the notes. The fair value of commitments to fund loans represents fees currently charged to enter into similar agreements with similar remaining maturities and is not presented herein. The fair value of these financial instruments is not material to the consolidated financial statements.

54

17.    Stockholders’ Equity

Total stockholders’ equity at March 31, 2019 was $1.95 billion, compared to $1.90 billion at December 31, 2018.

During the second quarter of 2018, the Company recorded $21.4 million in additional paid-in capital from the convertible notes issued. The $21.4 million included $21.9 million for the equity component of the convertible notes offset by $461 thousand in issuance costs from the convertible notes that was allocated to equity. The Company also recorded a tax adjustment on the equity component of the convertible notes reducing additional paid-in capital by $6.4 million.

On April 26, 2018, the Company’s Board of Directors approved a share repurchase program that authorized the Company to repurchase up to $100.0 million in common stock. During the second and third quarter of 2018, the Company repurchased 5,565,696 shares of common stock totaling $100.0 million as part of the share repurchase program which was recorded as treasury stock. On September 20, 2018, the Company’s Board of Directors approved another share repurchase program that authorizes the Company to repurchase an additional $50 million of its common stock. During the fourth quarter of 2018, the Company repurchased 3,436,757 shares of common stock totaling $50.0 million as part of the second share repurchase program which was recorded as treasury stock.

The Company paid a quarterly dividend of $0.14 per common share during the first quarter of 2019 compared to $0.13 per common share paid during the first quarter of 2018.

The following table presents the quarterly changes to accumulated other comprehensive (loss) income for the three months ended March 31, 2019 and March 31, 2018:

	Three Months Ended,
	March 31, 2019			March 31, 2018
	(Dollars in thousands)
Balance at beginning of period	$	(32,705	)	$	(21,781	)
Unrealized loss on securities available for sale and interest only strips	24,666			(24,649		)
Tax effect	(7,319		)	7,509
Total other comprehensive (loss) income	$	17,347		$	(17,140	)
Reclassification to retained earnings per ASU 2016-01	—			281
Balance at end of period	$	(15,358	)	$	(38,640	)

During the first quarter of 2018, the Company adopted ASU 2016-01 “Financial Instruments-Overall: Recognition and Measurement of Financial Assets and Financial Liabilities.” As a result of the adoption of ASU 2016-01, the Company no longer accounts for mutual funds as available-for-sale securities and accounts for these investments as equity investments with changes to fair value recorded through earnings. In accordance with ASU 2016-01, the Company reclassified $281 thousand in net unrealized losses included in other comprehensive income, net of taxes to retained earnings on January 1, 2018. For the three months ended and March 31, 2019 and 2018, there were no other reclassifications out of accumulated other comprehensive (loss) income.

55

18.    Regulatory Matters

The Company and the Bank are subject to various regulatory capital requirements administered by the federal and state banking agencies. Failure to meet minimum capital requirements can result in certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a material and adverse effect on the Company’s and the Bank’s business, financial condition and results of operation, such as restrictions on growth or the payment of dividends or other capital distributions or management fees. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company and the Bank must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance-sheet items as calculated under regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors.

In July 2013, the federal bank regulatory agencies adopted final regulations, which revised their risk-based and leverage capital requirements for banking organizations to meet requirements of the Dodd-Frank Act and to implement Basel III international agreements reached by the Basel Committee. The final rules became effective for the Company and the Bank on January 1, 2015 and were subject to a phase-in period through January 1, 2019. The final rules that had an impact on the Company and the Bank include:

• An increase in the minimum Tier 1 capital ratio from 4.00% to 6.00% of risk-weighted assets;

• A new category and a required 4.50% of risk-weighted assets ratio was established for “Common Equity Tier 1” as a subset of Tier 1 capital limited to common equity;

• A minimum non-risk-based leverage ratio was set at 4.00%, eliminating a 3.00% exception for higher rated banks;

• Changes in the permitted composition of Tier 1 capital to exclude trust preferred securities, mortgage servicing rights and certain deferred tax assets and include unrealized gains and losses on available for sale debt and equity securities;

• The risk-weights of certain assets for purposes of calculating the risk-based capital ratios are changed for high volatility commercial real estate acquisition, development and construction loans, certain past due non-residential mortgage loans and certain mortgage-backed and other securities exposures; and

• A new additional capital conservation buffer of 2.5% of risk weighted assets over each of the required capital ratios was added and must be met to avoid limitations on the ability of the Bank to pay dividends, repurchase shares, or pay discretionary bonuses. The capital conservation buffer for the Company was initially 0.625% in 2016 and increased 0.625% annually until 2019. As ofMarch 31, 2019, the capital conservation buffer for the Company stood at 2.50%.

As of March 31, 2019, the ratios for the Company and the Bank were sufficient to meet the fully phased-in conservation buffer.

As of March 31, 2019 and December 31, 2018, the most recent regulatory notification categorized the Bank as “well-capitalized” under the regulatory framework for prompt corrective action. To generally be categorized as “well-capitalized”, the Bank must maintain minimum total risk-based, Tier 1 risk-based, common equity Tier 1, and Tier 1 leverage ratios as set forth in the following table. There are no conditions or events since the most recent notification from regulators that management believes has changed the institution’s category.

56

The Company’s and the Bank’s levels and ratios are presented in the table below for the dates indicated:

	Actual				Required For Capital Adequacy Purposes				Minimum Capital Adequacy With Capital Conservation Buffer				Required To Be Well Capitalized Under Prompt Corrective Action Provisions
As of March 31, 2019	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Common equity Tier 1 capital (to risk weighted assets):
Company	$	1,485,917	11.59	%	$	576,761	4.50	%	$	897,184	7.00	%	N/A		N/A
Bank	$	1,764,757	13.77	%	$	576,718	4.50	%	$	897,117	7.00	%	$	833,037	6.50	%
Total capital (to risk-weighted assets):
Company	$	1,679,171	13.10	%	$	1,025,353	8.00	%	$	1,345,776	10.50	%	N/A		N/A
Bank	$	1,859,710	14.51	%	$	1,025,276	8.00	%	$	1,345,675	10.50	%	$	1,281,595	10.00	%
Tier 1 capital (to risk-weighted assets):
Company	$	1,584,218	12.36	%	$	769,015	6.00	%	$	1,089,438	8.50	%	N/A		N/A
Bank	$	1,764,757	13.77	%	$	768,957	6.00	%	$	897,117	8.50	%	$	1,025,276	8.00	%
Tier 1 capital (to average assets):
Company	$	1,584,218	10.66	%	$	594,301	4.00	%	N/A		N/A		N/A		N/A
Bank	$	1,764,757	11.88	%	$	594,392	4.00	%	N/A		N/A		$	742,990	5.00	%

	Actual				Required For Capital Adequacy Purposes				Minimum Capital Adequacy With Capital Conservation Buffer				Required To Be Well Capitalized Under Prompt Corrective Action Provisions
As of December 31, 2018	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Common equity Tier 1 capital (to risk weighted assets):
Company	$	1,458,344	11.44	%	$	573,723	4.50	%	$	812,774	6.375	%	N/A		N/A
Bank	$	1,737,092	13.63	%	$	573,669	4.50	%	$	812,740	6.375	%	$	828,677	6.50	%
Total capital (to risk-weighted assets):
Company	$	1,649,664	12.94	%	$	1,019,952	8.00	%	$	1,259,004	9.875	%	N/A		N/A
Bank	$	1,830,385	14.36	%	$	1,019,910	8.00	%	$	1,258,951	9.875	%	$	1,274,887	10.00	%
Tier 1 capital (to risk-weighted assets):
Company	$	1,556,371	12.21	%	$	764,964	6.00	%	$	1,004,015	7.875	%	N/A		N/A
Bank	$	1,737,092	13.63	%	$	764,932	6.00	%	$	812,740	7.875	%	$	1,019,910	8.00	%
Tier 1 capital (to average assets):
Company	$	1,556,371	10.55	%	$	590,176	4.00	%	N/A		N/A		N/A		N/A
Bank	$	1,737,092	11.76	%	$	590,639	4.00	%	N/A		N/A		$	738,299	5.00	%

57

19.    Revenue Recognition

On January 1, 2018, the Company adopted ASU 2014-09 “Revenue from Contracts with Customers” (Topic 606) and all subsequent issued ASUs that are related to Topic 606. The implementation of the new standard did not have a material impact on the measurement or recognition of revenue and a cumulative effect adjustment to opening retained earnings was not material and deemed unnecessary.

Topic 606 does not apply to revenue associated with financial instruments, including revenue from loans and securities. In addition, certain noninterest income streams such as fees associated with mortgage servicing rights, financial guarantees, derivatives, and certain credit card fees are also out of scope of the new guidance. Topic 606 is applicable to noninterest revenue streams such as deposit related fees, wire transfer fees, and certain OREO related net gains or expenses. However, the recognition of these revenue streams for the Company did not change significantly upon adoption of Topic 606. Noninterest revenue streams within the scope of Topic 606 are discussed below.

Service Charges on Deposit Accounts and Wire Transfer Fees

Service charges on noninterest and interest bearing deposit accounts consist of monthly service charges, customer analysis charges, non-sufficient funds (“NSF”) charges, and other deposit account related charges. The Company’s performance obligation for account analysis charges and monthly service charges is generally satisfied, and the related revenue is recognized over the period in which the service is provided. NSF charges, other deposit account related charges, and wire transfer fees are transaction based, and therefore the Company’s performance obligation is satisfied at the point of the transaction, and related revenue recognized at that point in time. Payment for service charges on deposit accounts is primarily received immediately or in the following month through a direct charge to customers’ accounts.

Service charges on deposit accounts and wire transfers are summarized below:

	Three Months Ended March 31,
	2019		2018
	(Dollars in thousands)
Noninterest bearing deposit account income:
Monthly service charges	$	423	$	439
Customer analysis charges	1,723		2,024
NSF charges	1,941		2,091
Other service charges	214		233
Total noninterest bearing deposit account income	4,301		4,787
Interest bearing deposit account income:
Monthly service charges	16		14
Total service fees on deposit accounts	$	4,317	$	4,801
Wire transfer fee income:
Wire transfer fees	$	934	$	1,080
Foreign exchange fees	155		127
Total wire transfer fees	$	1,089	$	1,207

58

OREO Income (Expense)

OREO are often sold in transactions that, under ASC 606, may not be considered a contract with a customer because the sale of the asset may not be an output of the Company’s ordinary activities. However, sales of nonfinancial assets, including in-substance nonfinancial assets, should be accounted for in accordance with ASC 610-20, “Other Income - Gains and Losses from the Derecognition of Nonfinancial Assets”, which requires the Company to apply certain measurement and recognition concepts of ASC 606. Accordingly, the Company recognizes the sale of a real estate property, along with any associated gain or loss, when control of the property transfers to the buyer. For sales of existing real estate properties, this generally will occur at the point of sale. When the Company finances the sale of OREO to the buyer, the Company must assess whether the buyer is committed to perform their obligations under the contract and whether collectability of the transaction price is probable. Once these criteria are met, the OREO asset is derecognized and the gain or loss on sale is recorded upon the transfer of control of the property to the buyer. Application of the new revenue recognition standard does not materially change the amount and the timing of the gain/loss on sale of OREO and other nonfinancial assets. Further, there were no open OREO/nonfinancial assets sale contracts at the adoption date that required an evaluation under Topic 606. The Company recognized a net gain on sale of OREO of $3 thousand and $72 thousand for the three months ended March 31, 2019 and 2018, respectively.

59

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A)

The following discussion and analysis should be read in conjunction with Management’s Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2018 and the unaudited consolidated financial statements and notes set forth elsewhere in this Quarterly Report on Form 10-Q.

GENERAL

Selected Financial Data

The following tables set forth a performance overview concerning the periods indicated and should be read in conjunction with the unaudited consolidated financial statements and notes set forth elsewhere in this Quarterly Report on Form 10-Q and the following Results of Operations and Financial Condition sections in the MD&A.

	At or for the Three Months Ended March 31,
	2019			2018
	(Dollars in thousands, except share and per share data)
Income Statement Data:
Interest income	$	173,130		$	150,410
Interest expense	53,522			30,342
Net interest income	119,608			120,068
Provision for loan losses	3,000			2,500
Net interest income after provision for loan losses	116,608			117,568
Noninterest income	11,422			19,850
Noninterest expense	70,833			68,453
Income before income tax provision	57,197			68,965
Income tax provision	14,439			17,733
Net income	$	42,758		$	51,232
Per Share Data:
Earnings per common share - basic	$	0.34		$	0.38
Earnings per common share - diluted	$	0.34		$	0.38
Book value per common share (period end)	$	15.37		$	14.35
Cash dividends declared per common share	$	0.14		$	0.13
Tangible book value per common share (period end) (9)	$	11.59		$	10.81
Number of common shares outstanding (period end)	126,635,584			135,516,119
Weighted average shares - basic	126,640,464			135,518,705
Weighted average shares - diluted	126,819,672			135,815,262
Tangible common equity to tangible assets (9)	9.84		%	10.44		%
Average Balance Sheet Data:
Assets	$	15,290,338		$	14,214,250
Securities available for sale	1,827,612			1,673,122
Loans receivable and loans held for sale	12,088,169			11,095,864
Deposits	12,089,643			11,106,366
Stockholders’ equity	1,920,492			1,931,290

60

	For the Three Months Ended March 31,
	2019			2018
Selected Performance Ratios:
Return on average assets (1)	1.12		%	1.44		%
Return on average stockholders’ equity (1)	8.91		%	10.61		%
Return on average tangible equity (1) (8)	11.86		%	14.13		%
Dividend payout ratio (dividends per share / diluted earnings per share)	41.52		%	34.21		%
Efficiency ratio (2)	54.06		%	48.92		%
Net interest spread	2.79		%	3.26		%
Net interest margin (3)	3.39		%	3.66		%
	At March 31,
	2019			2018
	(Dollars in thousands)
Statement of Financial Condition Data - at Period End:
Assets	$	15,398,669		$	14,507,126
Securities available for sale	1,818,343			1,699,315
Loans receivable	12,054,004			11,292,483
Deposits	12,249,196			11,510,569
FHLB advances	720,000			862,346
Convertible notes, net	195,754			—
Subordinated debentures	102,201			101,117
Stockholders’ equity	1,946,211			1,945,333
Regulatory Capital Ratios (4)
Leverage capital ratio (5)	10.66		%	11.61		%
Common equity Tier 1 capital ratio (10)	11.59		%	12.35		%
Tier 1 risk-based capital ratio	12.36		%	13.15		%
Total risk-based capital ratio	13.10		%	13.86		%
Asset Quality Ratios:
Allowance for loan losses to loans receivable	0.78		%	0.77		%
Allowance for loan losses to nonaccrual loans	108.75		%	126.86		%
Allowance for loan losses to nonperforming loans (6)	71.25		%	66.69		%
Allowance for loan losses to nonperforming assets (7)	68.03		%	62.70		%
Nonaccrual loans to loans receivable	0.72		%	0.60		%
Nonperforming loans to loans receivable (6)	1.10		%	1.15		%
Nonperforming assets to loans receivable and OREO (7)	1.15		%	1.22		%
Nonperforming assets to total assets (7)	0.90		%	0.95		%

__________________________________

⁽¹⁾  Annualized.

⁽²⁾  Efficiency ratio is defined as noninterest expense divided by the sum of net interest income before provision for loan losses and noninterest income.

⁽³⁾  Net interest margin is calculated by dividing annualized net interest income by average total interest earning assets.

⁽⁴⁾  The ratios generally required to meet the definition of a “well-capitalized” financial institution under certain banking regulations are 5.0% leverage capital, 6.5% common equity tier 1 capital, 8.0% Tier 1 risk-based capital, and 10.0% total risk-based capital.

⁽⁵⁾  Calculations are based on average quarterly asset balances.

⁽⁶⁾  Nonperforming loans include nonaccrual loans, loans past due 90 days or more and still accruing interest, and accruing restructured loans (excluding PCI loans).

⁽⁷⁾  Nonperforming assets consist of nonperforming loans and OREO.

⁽⁸⁾  Average tangible equity is calculated by subtracting average goodwill and average core deposit intangibles assets from average stockholders’ equity. Tangible common equity to tangible assets is calculated by dividing common stockholders’ equity less goodwill and core deposit intangibles by total assets less goodwill and core deposit intangibles. These ratios are non-GAAP measures that we believe provides investors with information that is useful in understanding our financial performance and position.

61

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Net income	$	42,758		$	51,232
Average stockholders’ equity	$	1,920,492		$	1,931,290
Less: Average goodwill and core deposit intangible assets, net	(478,309		)	(480,742		)
Average tangible equity	$	1,442,183		$	1,450,548
Net income (annualized) to average tangible equity	11.86		%	14.13		%

	At March 31,
	2019			2018
	(Dollars in thousands, except share data)
Total stockholders’ equity	$	1,946,211		$	1,945,333
Less: Goodwill and core deposit intangible assets, net	(477,954		)	(480,357		)
Tangible common equity	$	1,468,257		$	1,464,976
Common shares outstanding	126,635,584			135,516,119
Tangible book value per common share(9)	$	11.59		$	10.81

__________________________________

⁽⁹⁾ Tangible book value per common share is calculated by subtracting goodwill and core deposit intangible assets from total stockholders’ equity and dividing the difference by the number of shares of common stock outstanding. This is a non-GAAP measure that we believe provides investors with information that is useful in understanding our financial performance and position.

	At March 31,
	2019			2018
	(Dollars in thousands)
Tier 1 capital	$	1,584,218		$	1,600,185
Less: Qualifying trust preferred securities less unamortized acquisition discount	(98,301		)	(97,216		)
Common equity tier 1 capital	$	1,485,917		$	1,502,969
Total risk-weighted assets less disallowed allowance for loan losses	$	12,816,917		$	12,172,708
Common equity tier 1 capital ratio(10)	11.59		%	12.35		%

__________________________________

⁽¹⁰⁾ The common equity tier 1 capital ratio is calculated by dividing Tier 1 capital less non-common elements, including perpetual preferred stock and related surplus, minority interest in subsidiaries, qualifying trust preferred securities and mandatory convertible preferred securities by total risk-weighted assets less the disallowed allowance for loan losses.

62

Results of Operations

Overview

Total assets increased $92.7 million from $15.31 billion at December 31, 2018 to $15.40 billion at March 31, 2019. The increase in total assets was due to the increase in cash and cash equivalents and the addition of right of use operating lease assets with the adoption of ASU 2016-02 offset by a decline in net loans receivable, loans held for sale, and investment securities during the three months ended March 31, 2019.

Net income for the first quarter of 2019 was $42.8 million, or $0.34 per diluted common share, compared to $51.2 million, or $0.38 per diluted common share, for the same period of 2018, which was a decrease of $8.5 million, or 16.5%. The decrease in net income was due to a reduction in noninterest income as a result of a decline in net gains on sale of SBA loans and a decline in income from the net change in the fair value of equity investments. Net interest income before provision for loan losses decreased by $460 thousand in the first quarter of 2019 to $119.6 million compared to $120.1 million in the first quarter of 2018.

The following table summarizes the accretion and amortization adjustments resulting from prior acquisitions that are included in net income for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Accretion of discounts on purchased performing loans	$	2,166		$	3,197
Accretion of discounts on purchased credit impaired loans	5,833			5,772
Amortization of premiums on purchased investments in affordable housing partnerships	(76		)	(84		)
Amortization of premiums on assumed FHLB advances	1,280			347
Accretion of discounts on assumed subordinated debt	(273		)	(264		)
Amortization of premiums on assumed time deposits and savings	—			1
Amortization of core deposit intangibles	(557		)	(616		)
Total	$	8,373		$	8,353

The annualized return on average assets was 1.12% for the first quarter of 2019 compared to 1.44% for the same period of 2018. The annualized return on average stockholders’ equity was 8.91% for the first quarter of 2019 compared to 10.61% for the same period of 2018. The efficiency ratio was 54.06% for the first quarter of 2019 compared to 48.92% for the same period of 2018.

63

Net Interest Income and Net Interest Margin

Net Interest Income

A principal component of our earnings is net interest income, which is the difference between the interest and fees earned on loans and investments and the interest paid on deposits, borrowed funds, and convertible notes. Net interest income expressed as a percentage of average interest earning assets is referred to as the net interest margin. The net interest spread is the yield on average interest earning assets less the cost of average interest bearing liabilities. Net interest income is affected by changes in the balances of interest earning assets and interest bearing liabilities and changes in the yields earned on interest earning assets and the rates paid on interest bearing liabilities.

Comparison of Three Months Ended March 31, 2019 with the Three Months Ended March 31, 2018

Net interest income before provision for loan losses was $119.6 million for the first quarter of 2019 compared to $120.1 million for the same period of 2018, a decrease of $460 thousand, or 0.4%. The decrease in net interest income was due largely to an increase in deposit interest expense for the first quarter of 2019 compared to the first quarter of 2018 offset partly by an increase in loan interest income.

Interest income for the first quarter of 2019 was $173.1 million, an increase of $22.7 million, or 15.1%, compared to $150.4 million for the same period of 2018. The increase in interest income was primarily attributable to the increase in loans as a result of loan originations and loan growth as well as an increase in loan rates for variable rate loans.

Interest expense for the first quarter of 2019 was $53.5 million, an increase of $23.2 million, or 76.4%, compared to $30.3 million for the same period of 2018. The increase in interest expense was primarily due to the increase in overall deposits, the rise in deposit costs, and the addition of interest expense on convertible notes. During the first quarter of 2019, we paid off $100.0 million in FHLB advances that were previously acquired from Wilshire Bancorp. As a result of the payoff, $1.0 million in remaining premiums were amortized and recorded as a reduction to interest expense.

Net Interest Margin

Our net interest margin is impacted by the weighted average rates we earn on interest earning assets and pay on interest bearing liabilities and the effect of acquisition accounting adjustments. The net interest margin for the first quarter of 2019 was 3.39%, a decrease of 27 basis points from 3.66% for the same period of 2018.

The weighted average yield on loans increased to 5.31% for the first quarter of 2019 from 5.04% for the first quarter of 2018. The change in loan yields for the three months ended March 31, 2019 compared to the same period in 2018 was mostly due to the increase in interest rates experienced in 2018. The Federal Open Market Committee raised interest rates by 25 basis points in each quarter of 2018. The increase in interest rates led to an increase in the rates on our variable rate loans and for new loan originations, which resulted in an increase in loan yields. At March 31, 2019, variable interest rate loans made up 38% of the loan portfolio and the remaining 62% of the loan portfolio consisted of loans with fixed interest rates including hybrid loans that had fixed interest rates at the end of the period but will eventually change to variable interest rates after a certain period. For the three months ended March 31, 2019, the average weighted rate on new loan originations was 5.52% compared to 4.64% for the three months ended March 31, 2018. Discount accretion income on acquired loans was $8.0 million for the three months ended March 31, 2019 compared to $9.0 million for the three months ended March 31, 2018.

The weighted average yield on securities available for sale for the first quarter of 2019 was 2.73% compared to 2.45% for the same period of 2018. The increase in weighted average yield on securities available for sale for the three months ended March 31, 2019 compared to the same period of 2018 was due to the purchase of investment securities with higher yields during the last three quarters of 2018.

The weighted average yield on FHLB stock and other investments for the first quarter of 2019 was 2.67% compared to 1.85% for the same period of 2018. The increase in weighted average yield on FHLB stock and other investments for the three months ended March 31, 2019 compared to the same period of 2018 was due to the increase in interest rates experienced in 2018.

The weighted average cost of deposits for the first quarter of 2019 was 1.57%, an increase of 66 basis points from 0.91% for the same period of 2018. The increase in interest rates in 2018, increased competition for deposits in the markets we serve and the change in deposit mix to a higher percentage of time deposits resulted in an increase in the weighted average cost of deposits for the three months ended March 31, 2019 compared to the same period of 2018.

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The weighted average cost of FHLB advances for the first quarter of 2019 was 1.31%, a decrease of 38 basis points from 1.69% for the same period of 2018. The decrease in weighted average cost of FHLB advances was due to the amortization of $1.0 million in premiums for FHLB advances that were paid off during the first quarter of 2019. The amortization of the remaining premiums had the effect of reducing interest expense on FHLB borrowings, which lowered the overall cost of FHLB advances for the first quarter of 2019.

During the second quarter of 2018 we issued $217.5 million in convertible notes. The carrying balance of our convertible notes are net of discount to be amortized and issuance costs to be capitalized. The weighted average cost of our convertible notes was 4.71% for the three months ended March 31, 2019. We had no convertible notes outstanding during the three months ended March 31, 2018. The cost of our convertible notes consists of the 2.00% coupon rate, the non-cash conversion option rate, and the issuance cost capitalization rate. After the fifth year, the cost of the convertible notes will decline as the non-cash conversion discount will be fully amortized and the issuance costs will be fully capitalized leaving the coupon rate as the only remaining cost.

The weighted average cost of other borrowings (subordinated debentures) for the first quarter of 2019 was 7.19%, an increase of 132 basis points from 5.87% for the same period of 2018. Subordinated debenture rates are based on the three month LIBOR rate, which experienced a large increase in 2018 resulting in increased rates for our subordinated debentures for the three months ended March 31, 2019 compared to the same period in 2018.

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The following table presents our consolidated average balance sheet information, together with interest rates earned and paid on the various sources and uses of funds for the periods indicated:

	Three Months Ended March 31, 2019						Three Months Ended March 31, 2018
	Average Balance		Interest Income/ Expense		Average Yield/ Rate*		Average Balance		Interest Income/ Expense		Average Yield/ Rate*
	(Dollars in thousands)
INTEREST EARNINGS ASSETS:
Loans(1) (2)	$	12,088,169	$	158,136	5.31	%	$	11,095,864	$	137,943	5.04	%
Securities available for sale(3)	1,827,612		12,319		2.73	%	1,673,122		10,101		2.45	%
FHLB stock and other investments	405,660		2,675		2.67	%	517,572		2,366		1.85	%
Total interest earning assets	14,321,441		173,130		4.90	%	13,286,558		150,410		4.59	%
Total noninterest earning assets	968,897						927,692
Total assets	$	15,290,338					$	14,214,250
INTEREST BEARING LIABILITIES:
Deposits:
Demand, interest bearing	$	3,042,524	$	12,987	1.73	%	$	3,402,760	$	8,864	1.06	%
Savings	223,531		565		1.03	%	236,216		424		0.73	%
Time deposits	5,936,842		33,295		2.27	%	4,525,813		15,561		1.39	%
Total interest bearing deposits	9,202,897		46,847		2.06	%	8,164,789		24,849		1.23	%
FHLB advances	810,857		2,614		1.31	%	974,071		4,069		1.69	%
Convertible notes	194,969		2,298		4.71	%	—		—		—	%
Other borrowings	98,126		1,763		7.19	%	97,049		1,424		5.87	%
Total interest bearing liabilities	10,306,849		53,522		2.11	%	9,235,909		30,342		1.33	%
Noninterest bearing liabilities and equity:
Noninterest bearing demand deposits	2,886,746						2,941,577
Other liabilities	176,251						105,474
Stockholders’ equity	1,920,492						1,931,290
Total liabilities and stockholders’ equity	$	15,290,338					$	14,214,250
Net interest income/net interest spread			$	119,608	2.79	%			$	120,068	3.26	%
Net interest margin					3.39	%					3.66	%
Cost of deposits					1.57	%					0.91	%

__________________________________

* Annualized

⁽¹⁾  Interest income on loans includes loan fees.

⁽²⁾  Average balances of loans consist of loans receivable and loans held for sale.

⁽³⁾  Interest income and yields are not presented on a tax-equivalent basis.

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Changes in net interest income are a function of changes in interest rates and volumes of interest earning assets and interest bearing liabilities. The following table sets forth information regarding the changes in interest income and interest expense for the periods indicated. The total change for each category of interest earning assets and interest bearing liabilities is segmented into the change attributable to variations in volume (changes in volume multiplied by the old rate) and the change attributable to variations in interest rates (changes in rates multiplied by the old volume). Nonaccrual loans are included in average loans used to compute this table.

	Three Months Ended March 31, 2019 over March 31, 2018
	Net Increase (Decrease)
				Change due to
				Rate			Volume
	(Dollars in thousands)
INTEREST INCOME:
Loans, including fees	$	20,193		$	7,450		$	12,743
Securities available for sale	2,218			1,237			981
FHLB stock and other investments	309			895			(586		)
Total interest income	$	22,720		$	9,582		$	13,138
INTEREST EXPENSE:
Demand, interest bearing	$	4,123		$	5,147		$	(1,024	)
Savings	141			165			(24		)
Time deposits	17,734			11,870			5,864
FHLB advances	(1,455		)	(839		)	(616		)
Convertible notes	2,298			—			2,298
Other borrowings	339			323			16
Total interest expense	$	23,180		$	16,666		$	6,514
NET INTEREST INCOME	$	(460	)	$	(7,084	)	$	6,624

Provision for Loan Losses

The provision for loan losses reflects our judgment of the current period cost associated with credit risk inherent in our loan portfolio. The loan loss provision for each period is dependent upon many factors, including loan growth, net charge offs, changes in the composition of the loan portfolio, delinquencies, assessments by management, third parties’ and regulators’ examination of the loan portfolio, the value of the underlying collateral on problem loans and the general economic conditions in our market areas. Specifically, the provision for loan losses represents the amount charged against current period earnings to achieve an allowance for loan losses that, in our judgment, is adequate to absorb probable incurred losses inherent in our loan portfolio. Periodic fluctuations in the provision for loan losses result from management’s assessment of the adequacy of the allowance for loan losses; however, actual loan losses may vary in material respects from current estimates. If the allowance for loan losses is inadequate, we may be required to record additional loan loss provision, which may have a material adverse effect on our business, financial condition, and results of operations.

The provision for loan losses for the first quarter of 2019 was $3.0 million, an increase of $500 thousand from $2.5 million for the same period last year. The increase in provision for loan losses for the first quarter of 2019 compared to the same period in 2018 was due mostly to the overall increase in loan balances.

See the “Financial Condition” section of this MD&A for additional information and further discussion.

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Noninterest Income

Noninterest income is primarily comprised of service fees on deposit accounts, fees received on trade finance letters of credit, loan servicing fees, wire transfer fees, net gains on sales of loans, and other income which includes changes in the fair value of our equity investments with readily determinable fair value. Noninterest income for the first quarter of 2019 was $11.4 million compared to $19.9 million for the same quarter of 2018, a decrease of $8.4 million, or 42.5%.

Noninterest income by category is summarized in the table below:

	Three Months Ended March 31,				Decrease
	2019		2018		Amount			Percent (%)
	(Dollars in thousands)
Service fees on deposit accounts	$	4,317	$	4,801	$	(484	)	(10.1	)%
International service fees	933		1,020		(87		)	(8.5	)%
Loan servicing fees, net	730		1,579		(849		)	(53.8	)%
Wire transfer fees	1,089		1,207		(118		)	(9.8	)%
Net gains on sales of SBA loans	—		3,450		(3,450		)	(100.0	)%
Net gains on sales of other loans	741		1,196		(455		)	(38.0	)%
Other income and fees	3,612		6,597		(2,985		)	(45.2	)%
Total noninterest income	$	11,422	$	19,850	$	(8,428	)	(42.5	)%

The decrease in noninterest income for the first quarter of 2019 compared to the first quarter of 2018 was due mostly to a decrease in net gains on sales of SBA and other loans and other income and fees, although all other noninterest expense line items also experienced a decline.

The decrease in service fees on deposit accounts for the three months ended March 31, 2019 compared to the same period of 2018 was due to a decline in non-sufficient fee charges and business analysis fees. We continue to experience a decline in non-sufficient fee charges as the number of customer overdrafts have continued to decline. During 2018, we discontinued our relationships with deposit customers with increased risk profiles such as check cashing businesses and money service businesses, which has resulted in a decline in the number of these demand deposit accounts and the associated business analysis fees earned from these accounts. The result has been a continued decline in service fees on deposit accounts.

International service fees declined for the first quarter of 2019 compared to the same period of 2018 due to a decline in trade finance loans at March 31, 2019 compared to March 31, 2018. International service fees are earned mostly from trade finance loans and as the number and balance of these loans decline, our associated fee income has also declined.

Loan servicing fees, net represents income earned for servicing SBA and residential mortgage loans that we previously sold. We retain servicing on most of the loans that we choose to sell. The decrease in loan servicing fees, net for the first quarter of 2019 compared to the first quarter of 2018 was primarily due to the increase in payoffs for loans that we were servicing that results in the full amortization of the remaining servicing asset, which is recorded as a reduction to loan servicing fee income earned.

The reduction in net gains on sales of SBA loans for the three months ended March 31, 2019 compared to the three months ended March 31, 2018 was due to the reduction in SBA loans sold in the secondary market. During the fourth quarter of 2018, we made the decision to discontinue the practice of regularly selling the guaranteed portion of SBA loans on the secondary market and to retain these loans on our balance sheet due to the decline in premiums offered in the secondary market. As a result, we did not sell any SBA loans during the three months ended March 31, 2019, and did not record any gains on sales of SBA loans. During the three months ended March 31, 2018, we sold $48.6 million in SBA loans.

Net gains on sales of other loans represents net gains from the sale of residential mortgage loans. Residential mortgage loans sold during the first quarter of 2019 totaled $69.8 million compared to $45.9 million sold during the first quarter of 2018. The decline in net gains on sales of other loans for the first quarter of 2019 compared to the first quarter of 2018 was due to the decline in premium rates offered for residential mortgage loan sales.

Other income and fees for the first quarter of 2019 decreased by $3.0 million compared to the first quarter of 2018 due to the decline in income recorded for net changes in fair value for equity investments. During the first quarter of 2018, we adopted ASU 2016-01, which requires changes in the fair value of certain equity investments to be recorded in earnings. Subsequent to the adoption of ASU 2016-01, we recorded $3.5 million in other income and fees for the three months ended March 31, 2018 to account for the change in fair value of our mutual funds and equity stock owned. For the three months ended March 31, 2019, the net fair value change of equity investments recorded in other income and fees totaled $913 thousand.

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Noninterest Expense

Noninterest expense for the first quarter of 2019 was $70.8 million, an increase of $2.4 million, or 3.5%, from $68.5 million for the same period of 2018.

The breakdown of changes in noninterest expense by category is shown in the following table:

	Three Months Ended March 31,						Increase (Decrease)
	2019			2018			Amount			Percent (%)
	(Dollars in thousands)
Salaries and employee benefits	$	40,429		$	39,385		$	1,044		2.7	%
Occupancy	7,677			7,239			438			6.1	%
Furniture and equipment	3,446			3,721			(275		)	(7.4	)%
Advertising and marketing	2,062			2,299			(237		)	(10.3	)%
Data processing and communications	2,956			3,495			(539		)	(15.4	)%
Professional fees	5,380			3,106			2,274			73.2	%
Investments in affordable housing partnership expenses	2,881			2,630			251			9.5	%
FDIC assessments	1,551			1,767			(216		)	(12.2	)%
Credit related expenses	678			772			(94		)	(12.2	)%
OREO expense, net	(152		)	(104		)	(48		)	46.2	%
Other	3,925			4,143			(218		)	(5.3	)%
Total noninterest expense	$	70,833		$	68,453		$	2,380		3.5	%

The increase in noninterest expense for the three months ended March 31, 2019 compared to the three months ended March 31, 2018 was mostly due to an increase in salaries and employee benefits and professional fees, partially offset by a decline in data processing and communications fees, furniture and equipment, advertising and marketing, FDIC assessment expenses, and other noninterest expenses.

Salaries and employee benefits expense increased $1.0 million for the first quarter of 2019 compared to the same period in 2018. The number of full-time equivalent employees decreased from 1,502 at March 31, 2018 to 1,468 at March 31, 2019. The increase in salaries and benefits for the first quarter of 2019 compared to the first quarter of 2018 was mostly due to an increase in employee benefits, namely insurance costs. Total salaries remained largely unchanged for the first quarter of 2019 compared to the first quarter of 2018.

Advertising and marketing expense experienced a decrease of $237 thousand for the first quarter of 2019 compared to the first quarter of 2018 due to a reduction in advertising and corporate promotions during the first quarter of 2019.

Data processing and communications fees decreased $539 thousand for the three months ended March 31, 2019 compared to the three months ended March 31, 2018 due to the decreased number of deposit accounts for the first quarter in 2019 compared to the same period in the prior year. The decrease in deposit accounts led to a decrease in the number of transactions, which resulted in lower data processing fees paid for the first quarter of 2019 compared to the first quarter of 2018. Data processing and communication fees for the first quarter of 2019 also included credits received from our core processing vendor as part of our negotiated contract renewal which begins in 2020.

The increase in professional fees of $2.3 million for the three months ended March 31, 2019 compared to the three months ended March 31, 2018 was due to an increase in audit and consulting fees for the first quarter in 2019 compared to the same period in the prior year. Management chose to deploy a portion of the savings in tax provision that resulted from the reduction in the corporate tax rate to improve certain key areas with the assistance of third party consultants in preparation for future growth which resulted in additional expense for the first quarter of 2019 compared to the first quarter of 2018. Professional fees for the first quarter of 2019 also included additional fees paid to third parties for assistance with the upcoming implementation of the new accounting standard for current expected credit loss (“CECL”).

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The FDIC assessment premium utilizes an initial base assessment rate which is calculated as a percentage of our average consolidated total assets less average tangible equity. In addition to the initial assessment base, adjustments are added based upon our regulatory rating and selected financial measures. During the fourth quarter, the FDIC reached the minimum reserve ratio of 1.35% and announced it would no longer assess the large institution surcharge (surcharge on institution in excess of $10 billion in consolidated assets). As a result, we experienced a decline in our FDIC assessment expense for the first quarter of 2019 compared to the first quarter of 2018.

Other noninterest expense for the three months ended March 31, 2019 remained largely unchanged compared to the same period of the prior year.

Provision for Income Taxes

Income tax provision expense was $14.4 million and $17.7 million for the quarters ended March 31, 2019 and 2018, respectively. The effective income tax rates were 25.24% and 25.71% for the quarters ended March 31, 2019 and 2018, respectively. The decline in the effective tax rate for the first quarter of 2019 compared to the first quarter of 2018 was due to additional estimated tax credits for investments in affordable housing partnerships for 2019 compared to the previous year.

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Financial Condition

At March 31, 2019, our total assets were $15.40 billion, an increase of $92.7 million, or 1%, from $15.31 billion at December 31, 2018. The increase in assets was due to an increase in cash and cash equivalents and the recording of right of use operating lease assets on the balance sheet offset partially by a decline in securities available for sale, loans held for sale, and loans receivable.

Equity Investments

At March 31, 2019, total equity investments with readily determinable fair values totaled $24.3 million consisting of mutual funds of $21.7 million and $2.6 million in equity stock. Equity investments with readily determinable fair values at December 31, 2018 totaled $23.4 million consisting of mutual funds of $21.5 million and $1.9 million in equity stock. Changes to the fair value of equity investments with readily determinable fair values is recorded in other noninterest income.

We also had $26.6 million and $26.4 million in equity investments without readily determinable fair values as of March 31, 2019 and December 31, 2018, respectively. At March 31, 2019, equity investments without readily determinable fair values included $25.2 million in Community Reinvestment Act investments, $1.0 million in Community Development Financial Institutions investments, and $370 thousand in correspondent bank stock. Equity investments without readily determinable fair values are carried at cost, less impairment, and adjustments are made to the carrying balance based on observable price changes. There were no impairments or observable price changes for equity investments during the three months ended March 31, 2019 and 2018.

Investment Securities Portfolio

At March 31, 2019, we had $1.82 billion in available for sale securities compared to $1.85 billion at December 31, 2018. The net unrealized loss on the available for sale securities at March 31, 2019 was $22.8 million compared to a net unrealized loss on securities of $47.4 million at December 31, 2018.

During the three months ended March 31, 2019, there were no investment securities purchased, $50.9 million in mortgage related securities were paid down and there were no matured or called securities. During the three months ended March 31, 2018, $77.5 million in investment securities were purchased, $49.9 million in mortgage related securities were paid down, and there were no matured or called securities.

Investments in Affordable Housing Partnerships

At March 31, 2019, we had $89.1 million in investments in affordable housing partnerships compared to $92.0 million at December 31, 2018. The decrease in investments in affordable housing partnerships was due to losses and premium amortization recorded during the three months ended March 31, 2019. Commitments to fund investments in affordable housing partnerships totaled $40.7 million at March 31, 2019 compared to $46.5 million at December 31, 2018.

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Loan Portfolio

At March 31, 2019, loans receivable totaled $12.05 billion, a decrease of $44.1 million from $12.10 billion at December 31, 2018. The following table summarizes our loan portfolio by amount and percentage of total loans outstanding in each major loan category as of the dates indicated:

	March 31, 2019					December 31, 2018
	Amount			Percent (%)		Amount			Percent (%)
Loan portfolio composition				(Dollars in thousands)
Real estate loans:
Residential	$	49,633		—	%	$	51,197		—	%
Commercial	8,396,364			70	%	8,395,327			69	%
Construction	269,837			2	%	275,076			2	%
Total real estate loans	8,715,834			72	%	8,721,600			71	%
Commercial business	2,158,424			18	%	2,127,630			18	%
Trade finance	172,273			2	%	197,190			2	%
Consumer and other	1,007,067			8	%	1,051,486			9	%
Total loans outstanding	12,053,598			100	%	12,097,906			100	%
Deferred loan fees, net	406					209
Loans receivable	12,054,004					12,098,115
Allowance for loan losses	(94,217		)			(92,557		)
Loans receivable, net of allowance for loan losses	$	11,959,787				$	12,005,558

Commercial real estate and commercial business loan types experienced an increase from December 31, 2018 to March 31, 2019 due to the originations of loans during the twelve months ended March 31, 2019 while non-consumer residential real estate, construction, trade finance, and consumer and other loans experienced declines.

We normally do not extend lines of credit or make loan commitments to business customers for periods in excess of one year. We use the same credit policies in making commitments and conditional obligations as we do for providing loan facilities to our customers. We perform annual reviews of such commitments prior to renewal.

The following table shows our loan commitments and letters of credit outstanding at the dates indicated:

	March 31, 2019		December 31, 2018
	(Dollars in thousands)
Commitments to extend credit	$	1,812,992	$	1,712,032
Standby letters of credit	72,049		69,763
Other commercial letters of credit	64,553		65,822
	$	1,949,594	$	1,847,617

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Nonperforming Assets

Nonperforming assets, which consist of nonaccrual loans, loans 90 days or more past due and on accrual status, accruing restructured loans, and OREO totaled $138.5 million at March 31, 2019 compared to $113.0 million at December 31, 2018. The ratio of nonperforming assets to loans receivable and OREO was 1.15% and 0.93% at March 31, 2019 and December 31, 2018, respectively.

The following table summarizes the composition of our nonperforming assets as of the dates indicated.

	March 31, 2019			December 31, 2018
	(Dollars in thousands)
Nonaccrual loans (1)	$	86,637		$	53,286
Loans 90 days or more days past due, still accruing	387			1,529
Accruing restructured loans	45,204			50,410
Total nonperforming loans	132,228			105,225
OREO	6,258			7,754
Total nonperforming assets	$	138,486		$	112,979
Nonaccrual loans (1):
Legacy Portfolio	$	67,884		$	42,248
Acquired Portfolio	18,753			11,038
Total nonaccrual loans	$	86,637		$	53,286
Nonperforming loans:
Legacy Portfolio	$	99,932		$	75,859
Acquired Portfolio	32,296			29,366
Total nonperforming loans	$	132,228		$	105,225
Nonperforming loans to loans receivable	1.10		%	0.87		%
Nonperforming assets to loans receivable and OREO	1.15		%	0.93		%
Nonperforming assets to total assets	0.90		%	74.00		%
Allowance for loan losses to nonperforming loans	71.25		%	87.96		%
Allowance for loan losses to nonperforming assets	68.03		%	81.92		%

__________________________________

⁽¹⁾  Nonaccrual loans exclude the guaranteed portion of delinquent SBA loans that are in liquidation totaling $30.5 million and $29.2 million as of March 31, 2019 and December 31, 2018, respectively.

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Allowance for Loan and Lease Losses

The allowance for loan and lease losses (“ALLL”) was $94.2 million at March 31, 2019 compared to $92.6 million at December 31, 2018. The ALLL was 0.78% of loans receivable at March 31, 2019 and 0.77% of loans receivable at December 31, 2018. The ALLL to loans receivable ratio does not include discount on acquired loans. Total discount on acquired loans at March 31, 2019 and December 31, 2018 totaled $61.6 million and $65.5 million, respectively. Impaired loan reserves increased to $6.8 million at March 31, 2019 from $4.8 million at December 31, 2018.

The following table reflects our allocation of the ALLL by loan type and the ratio of each loan segment to total loans as of the dates indicated:

	Allocation of Allowance for Loan Losses
	March 31, 2019						December 31, 2018
	Allowance for Loan Losses		Loans Receivable*		Percent of Allowance to Loans Receivable		Allowance for Loan Losses		Loans Receivable*		Percent of Allowance to Loans Receivable
	(Dollars in thousands)
Loan Type
Real estate - residential	$	145	$	49,633	0.29	%	$	112	$	51,197	0.22	%
Real estate - commercial	51,491		8,396,364		0.61	%	55,890		8,395,327		0.67	%
Real estate - construction	1,501		269,837		0.56	%	765		275,076		0.28	%
Commercial business	32,376		2,158,424		1.50	%	27,765		2,127,630		1.30	%
Trade finance	698		172,273		0.41	%	719		197,190		0.36	%
Consumer and other	8,006		1,007,067		0.79	%	7,306		1,051,486		0.69	%
Total	$	94,217	$	12,053,598	0.78	%	$	92,557	$	12,097,906	0.77	%

__________________________________

^*  Held-for-sale loans of $921 thousand and $25.1 million at March 31, 2019 and December 31, 2018, respectively, were excluded.

For a better understanding of the changes in the ALLL, the loan portfolio has been segmented for disclosure purposes between loans which are accounted for under the amortized cost method (Legacy Loans) and loans acquired from acquisitions (Acquired Loans). Acquired Loans have been further segregated between Purchase Credit Impaired Loans (loans with credit deterioration at the time they were acquired and accounted for under ASC 310-30, or “PCI loans”) and performing loans (loans that were pass graded at the time they were acquired, or “non-PCI loans”).

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The activity in the ALLL for the three months ended March 31, 2019 was as follows:

				Acquired Loans(2)
Three Months Ended March 31, 2019	Legacy Loans (1)			PCI Loans			Non-PCI Loans			Total
	(Dollars in thousands)
Balance, beginning of period	$	78,260		$	12,163		$	2,134		$	92,557
Provision (credit) for loan losses	2,880			(969		)	1,089			3,000
Loans charged off	(1,404		)	—			(350		)	(1,754		)
Recoveries of loan charge offs	1,218			—			74			1,292
PCI allowance adjustment	—			(878		)	—			(878		)
Balance, end of period	$	80,954		$	10,316		$	2,947		$	94,217
Total loans outstanding	$	10,284,309		$	141,931		$	1,627,358		$	12,053,598
Allowance to total loans receivable ratio	0.79		%	7.27		%	0.18		%	0.78		%
Net loan charge offs to beginning allowance	0.24		%	—		%	12.93		%	0.50		%
Net loan charge offs to provision for loan losses	6.46		%	—		%	25.34		%	15.40		%
				Acquired Loans (2)
Three Months Ended March 31, 2018	Legacy Loans (1)			PCI Loans			Non-PCI Loans			Total
	(Dollars in thousands)
Balance, beginning of period	$	67,647		$	12,040		$	4,854		$	84,541
Provision (credit) for loan losses	4,726			(188		)	(2,038		)	2,500
Loans charged off	(752		)	(37		)	(279		)	(1,068		)
Recoveries of loan charge offs	444			—			44			488
Balance, end of period	$	72,065		$	11,815		$	2,581		$	86,461
Total loans outstanding	$	8,758,317		$	190,438		$	2,343,705		$	11,292,460
Allowance to total loans receivable ratio	0.82		%	6.20		%	0.11		%	0.77		%
Net loan charge offs to beginning allowance	0.46		%	(0.31		)%	4.84		%	0.69		%
Net loan charge offs to provision for loan losses	6.52		%	19.68		%	(11.53		)%	23.20		%

__________________________________

⁽¹⁾  Legacy Loans includes Acquired Loans that have been renewed or refinanced subsequent to the acquisition date.

⁽²⁾  Acquired Loans were marked to fair value at acquisition and provisions for loan losses reflect credit deterioration subsequent to the acquisition date.

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The following table shows the provisions for loan losses, the amount of loans charged off and the recoveries on loans previously charged off, together with the balance of the ALLL at the beginning and end of each period, the balance of average loans and loans receivable outstanding, and certain other ratios as of the dates and for the periods indicated:

	At or for the Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
LOANS:
Average loans, including loans held for sale	$	12,088,169		$	11,095,864
Loans receivable	$	12,054,004		$	11,292,483
ALLOWANCE:
Balance, beginning of period	$	92,557		$	84,541
Less loan charge offs:
Real estate - commercial	(60		)	(165		)
Commercial business	(1,408		)	(556		)
Consumer and other	(286		)	(347		)
Total loan charge offs	(1,754		)	(1,068		)
Plus loan recoveries:
Real estate - commercial	1,127			202
Commercial business	158			253
Trade Finance	—			12
Consumer and other	7			21
Total loans recoveries	1,292			488
Net loan recoveries (charge offs)	(462		)	(580		)
Provision for loan losses	3,000			2,500
PCI allowance adjustment	(878		)	—
Balance, end of period	$	94,217		$	86,461
Net loan charge offs to average loans, including loans held for sale*	0.02		%	0.02		%
Allowance for loan losses to loans receivable at end of period	0.78		%	0.77		%
Net loan charge offs to allowance for loan losses*	1.96		%	2.68		%
Net loan charge offs to provision for loan losses	15.40		%	23.20		%

__________________________________

* Annualized

We believe the ALLL as of March 31, 2019 was adequate to absorb probable incurred losses in the loan portfolio. However, no assurance can be given that actual losses will not exceed the estimated amounts. If actual losses exceed the estimated amounts, it could have a material and adverse effect on our financial condition and results of operations.

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Deposits, Other Borrowings, and Convertible Notes

Deposits

Deposits are our primary source of funds used in our lending and investment activities. At March 31, 2019, deposits increased $93.5 million, or 0.8%, to $12.25 billion from $12.16 billion at December 31, 2018. The increase in deposits was primarily due to an increase in time deposits and NOW account balances offset by a decline in demand deposits.

At March 31, 2019, 24.1% of total deposits were noninterest bearing demand deposits, 48.9% were time deposits, and 27.0% were interest bearing demand and savings deposits. At December 31, 2018, 24.9% of total deposits were noninterest bearing demand deposits, 48.3% were time deposits, and 26.8% were interest bearing demand and savings deposits.

At March 31, 2019, we had $1.57 billion in brokered deposits and $300.0 million in California State Treasurer deposits compared to $1.57 billion in brokered deposits and $300.0 million in California State Treasurer deposits at December 31, 2018. The California State Treasurer deposits had three to six month maturities with a weighted average interest rate of 2.51% at March 31, 2019 and were collateralized with securities with a carrying value of $341.2 million. Time deposits of more than $250 thousand at March 31, 2019 totaled $1.84 billion compared to $1.77 billion at December 31, 2018.

The following is a schedule of certificates of deposit maturities as of March 31, 2019:

	Balance		Percent (%)
	(Dollars in thousands)
Three months or less	$	1,594,016	26	%
Over three months through six months	1,510,261		25	%
Over six months through nine months	1,215,174		20	%
Over nine months through twelve months	1,256,519		22	%
Over twelve months	413,993		7	%
Total time deposits	$	5,989,963	100	%

Other Borrowings

We utilize FHLB advances as a secondary source of funds in addition to deposits which we consider our primary source of funding. FHLB advances are typically secured by pledged loans and/or securities with a market value at least equal to the outstanding advances plus our investment in FHLB stock.

At March 31, 2019, FHLB advances totaled $720.0 million and had an average weighted remaining maturity of 1.7 years compared to $821.3 million with an average weighted remaining maturity of 1.8 years at December 31, 2018. Total FHLB advances at March 31, 2019 did not include premiums recorded from prior acquisitions compared to $1.3 million in FHLB advance premiums at December 31, 2018.

We did not have federal funds purchased at March 31, 2019 and December 31, 2018.

Trust Preferred Securities accrue and pay distributions periodically at specified annual rates as provided in the related indentures for the securities. The trusts used the net proceeds from their respective offerings to purchase a like amount of subordinated debentures (the “Debentures”) issued by us. The Debentures are the sole assets of the trusts. Our obligations under the Debentures and related documents, taken together, constitute a full and unconditional guarantee by us of the obligations of the trusts. Subordinated debentures totaled $102.2 million at March 31, 2019 and $101.9 million at December 31, 2018. The Trust Preferred Securities are mandatorily redeemable upon the maturity of the Debentures, or upon earlier redemption as provided in the indentures. We have the right to redeem the Debentures in whole (but not in part) on or after specific dates, at a redemption price specified in the indentures plus any accrued but unpaid interest to the redemption date.

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Convertible Notes

During the second quarter of 2018, we issued $217.5 million aggregate principal amount of 2.00% convertible senior notes maturing on May 15, 2038 in a private offering to qualified institutional buyers under Rule 144A of the Securities Act of 1933. The convertible notes were issued as part of our plan to repurchase common stock. The convertible notes pay interest on a semi-annual basis to holders of the notes. The convertible notes can be called by us, in whole or in part, at any time after five years for the original issued amount in cash. Holders of the notes can put the notes for cash on the fifth, tenth, and fifteenth year of the notes. The net carrying balance of convertible notes at March 31, 2019 was $195.8 million net of a $21.7 million discount, which represents the conversion option discount and issuance costs to be capitalized. At December 31, 2018, the net balance of convertible notes was $194.5 million, net of $23.0 million in remaining discounts and issuance costs. (See footnote 11 “Subordinated Debentures and Convertible Notes” for additional information regarding convertible notes issued)

Off-Balance-Sheet Activities and Contractual Obligations

We routinely engage in activities that involve, to varying degrees, elements of risk that are not reflected, in whole or in part, in the consolidated financial statements. These activities are part of our normal course of business and include traditional off-balance-sheet credit-related financial instruments, interest rate swap contracts, operating leases and long-term debt.

Traditional off-balance-sheet credit-related financial instruments are primarily commitments to extend credit and standby letters of credit. These activities could require us to make cash payments to third parties if certain specified future events occur. The contractual amounts represent the extent of our exposure in these off-balance-sheet activities. These activities are necessary to meet the financing needs of our customers.

We enter into interest rate swap contracts under which we are required to either receive cash from or pay cash to counterparties depending on changes in interest rates. We utilize interest rate swap contracts and interest rate caps to help manage the risk of changing interest rates. We also sell interest rate swaps to certain adjustable rate commercial loan customers to fix the interest rate on their floating rate loans. When the fixed rate swap is originated with the customer, an identical offsetting swap is also entered into by us with a correspondent bank.

We enter into various stand-alone mortgage-banking derivatives in order to hedge the risk associated with the fluctuation of interest rates. The first type of derivative, an interest rate lock commitment, is a commitment to originate loans whereby the interest rate on the loan is determined prior to funding. To mitigate interest rate risk on these rate lock commitments we also enter into forward commitments, or commitments to deliver residential mortgage loans on a future date, also considered derivatives. Net change in the fair value of derivatives represents income recorded from changes of fair value for these mortgage derivatives instruments.

We do not anticipate that our current off-balance-sheet activities will have a material impact on our future results of operations or our financial condition. Further information regarding our financial instruments with off-balance-sheet risk can be found in Item 3 “Quantitative and Qualitative Disclosures about Market Risk.”

Stockholders’ Equity and Regulatory Capital

Historically, our primary source of capital has been the retention of earnings, net of dividend payments to stockholders. We seek to maintain capital at a level sufficient to assure our stockholders, our customers, and our regulators that we and the Bank are financially sound. For this purpose we perform ongoing assessments of capital related risks, components of capital, as well as projected sources and uses of capital in conjunction with projected increases in assets and levels of risks.

Total stockholders’ equity was $1.95 billion at March 31, 2019 compared to $1.90 billion at December 31, 2018.

The federal banking agencies require a minimum ratio of qualifying total capital to risk-weighted assets of 8.0%, a minimum ratio of Tier 1 capital to risk-weighted assets of 6.0%, and a minimum ratio of Tier 1 common equity capital to risk-weighted assets of 4.5%, to generally be considered “adequately capitalized” under the Prompt Corrective Action regulations. In addition to the risk-based guidelines, federal banking agencies require banking organizations to maintain a minimum amount of Tier 1 capital to average total assets, referred to as the leverage ratio, of 4.0% to generally be considered “adequately capitalized” under the Prompt Corrective Action regulations. Federal banking agencies also require a capital conservation buffer of 2.50% in addition to the ratios required to generally be considered “adequately capitalized” under the Prompt Corrective Action regulations. Failure to maintain this capital conservation buffer results in limits or prohibitions on capital distributions and discretionary compensation payments. Capital requirements apply to us and the Bank separately. In addition to these uniform risk-based capital guidelines and leverage ratios that apply across the industry, the regulators have the discretion to set individual minimum capital requirements for specific institutions at rates significantly above the minimum guidelines and ratios.

78

At March 31, 2019, our common equity Tier 1 capital was $1.49 billion compared to $1.46 billion at December 31, 2018. Our Tier 1 capital, defined as stockholders’ equity less intangible assets and including our trust preferred securities, was $1.58 billion at March 31, 2019 and $1.56 billion at December 31, 2018. At March 31, 2019, the common equity Tier 1 capital ratio was 11.59%. The total capital to risk-weighted assets ratio was 13.10% and the Tier 1 capital to risk-weighted assets ratio was 12.36%. The Tier 1 leverage capital ratio at March 31, 2019 was 10.66%.

As of March 31, 2019 and December 31, 2018, the most recent regulatory notification generally categorized the Bank as “well capitalized” under the general regulatory framework for Prompt Corrective Action. To be generally categorized as “well-capitalized” the Bank must maintain minimum common equity Tier 1 capital, total risk-based, Tier 1 risk-based and Tier 1 leverage capital ratios as set forth in the table below:

	As of March 31, 2019
	Actual				To Be Well-Capitalized				Excess
	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Hope Bancorp, Inc.
Common equity Tier 1 capital ratio (to risk-weighted assets)	$	1,485,917	11.59	%	N/A		N/A		N/A		N/A
Total risk-based capital ratio (to risk-weighted assets)	$	1,679,171	13.10	%	N/A		N/A		N/A		N/A
Tier 1 risk-based capital ratio (to risk-weighted assets)	$	1,584,218	12.36	%	N/A		N/A		N/A		N/A
Tier 1 capital to total assets (to average assets)	$	1,584,218	10.66	%	N/A		N/A		N/A		N/A
Bank of Hope
Common equity Tier 1 capital ratio (to risk-weighted assets)	$	1,764,757	13.77	%	$	833,037	6.50	%	$	931,720	7.27	%
Total risk-based capital ratio (to risk-weighted assets)	$	1,859,710	14.51	%	$	1,281,595	10.00	%	$	578,115	4.51	%
Tier 1 risk-based capital ratio (to risk-weighted assets)	$	1,764,757	13.77	%	$	1,025,276	8.00	%	$	739,481	5.77	%
Tier 1 capital to total assets (to average assets)	$	1,764,757	11.88	%	$	742,990	5.00	%	$	1,021,767	6.88	%
	As of December 31, 2018
	Actual				To Be Well-Capitalized				Excess
	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Hope Bancorp, Inc.
Common equity Tier 1 capital ratio (to risk-weighted assets)	$	1,458,344	11.44	%	N/A		N/A		N/A		N/A
Total risk-based capital ratio (to risk-weighted assets)	$	1,649,664	12.94	%	N/A		N/A		N/A		N/A
Tier 1 risk-based capital ratio (to risk-weighted assets)	$	1,556,371	12.21	%	N/A		N/A		N/A		N/A
Tier 1 capital to total assets (to average assets)	$	1,568,144	10.55	%	N/A		N/A		N/A		N/A
Bank of Hope
Common equity Tier 1 capital ratio (to risk-weighted assets)	$	1,737,092	13.63	%	$	828,677	6.50	%	$	908,415	7.13	%
Total risk-based capital ratio (to risk-weighted assets)	$	1,830,385	14.36	%	$	1,274,887	10.00	%	$	555,498	4.36	%
Tier 1 risk-based capital ratio (to risk-weighted assets)	$	1,737,092	13.63	%	$	1,019,910	8.00	%	$	717,182	5.63	%
Tier 1 capital to total assets (to average assets)	$	1,548,401	11.76	%	$	738,299	5.00	%	$	998,793	6.76	%

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Liquidity Management

Liquidity risk is the risk of reduction in our earnings or capital that would result if we were not able to meet our obligations when they come due without incurring unacceptable losses. Liquidity risk includes the risk of unplanned decreases or changes in funding sources and changes in market conditions that affect our ability to liquidate assets quickly and with minimum loss of value. Factors considered in liquidity risk management are the stability of the deposit base; the marketability, maturity, and pledging of our investments; the availability of alternative sources of funds; and our demand for credit. The objective of our liquidity management is to have funds available to meet cash flow requirements arising from fluctuations in deposit levels and the demands of daily operations, which include funding of securities purchases, providing for customers’ credit needs, and ongoing repayment of borrowings.

Our primary sources of liquidity are derived from financing activities, which include customer and broker deposits, federal funds facilities, and borrowings from the FHLB and the FRB Discount Window. These funding sources are augmented by payments of principal and interest on loans and securities, proceeds from sale of loans and the liquidation or sale of securities from our available for sale portfolio. Primary uses of funds include withdrawal of and interest payments on deposits, originations of loans, purchases of investment securities, and payment of operating expenses.

At March 31, 2019, our total borrowing capacity from the FHLB was $3.83 billion of which $3.09 billion was unused and available to borrow. At March 31, 2019, our total borrowing capacity from the FRB Discount Window was $844.1 million, all of which was unused and available to borrow. In addition to these lines, our liquid assets, consisting of cash and cash equivalents, interest bearing cash deposits and time deposits with other banks, liquid investment securities available for sale, and loan repayments within 30 days, were $1.99 billion at March 31, 2019 compared to $1.83 billion at December 31, 2018. Cash and cash equivalents were $612.9 million at March 31, 2019 compared to $459.6 million at December 31, 2018. We believe our liquidity sources are sufficient to meet all reasonably foreseeable short-term and intermediate-term needs.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

The objective of our asset and liability management activities is to maximize our earnings while maintaining adequate liquidity and an exposure to interest rate risk deemed by management to be acceptable by adjusting the type and mix of assets and liabilities to seek to effectively address changing conditions and risks. Through overall management of our balance sheet and by seeking to manage various risks, we seek to optimize our financial returns within safe and sound parameters. Our operating strategies for attaining this objective include managing net interest margin through appropriate risk/return pricing of assets and liabilities and emphasizing growth in retail deposits, as a percentage of interest bearing liabilities, to reduce our cost of funds. We also seek to improve earnings by controlling noninterest expense, and enhancing noninterest income. We also use risk management instruments to modify interest rate characteristics of certain assets and liabilities to hedge against our exposure to interest rate fluctuations with the objective of reducing the effects fluctuations might have on associated cash flows or values. Finally, we perform internal analysis to measure, evaluate and monitor risk.

Interest Rate Risk

Interest rate risk is the most significant market risk impacting us. Interest rate risk occurs when interest rate sensitive assets and liabilities do not reprice simultaneously and in equal volume. A key objective of asset and liability management is to manage interest rate risk associated with changing asset and liability cash flows, values of our assets and liabilities, and market interest rate movements. The management of interest rate risk is governed by policies reviewed and approved annually by the Board of Directors. Our Board delegates responsibility for interest rate risk management to the Asset and Liability Committee of the Board (“ALCO”) and to the Asset and Liability Management Committee (“ALM”), which is composed of the Bank’s senior executives and other designated officers.

The fundamental objective of our ALM is to manage our exposure to interest rate fluctuations while maintaining adequate levels of liquidity and capital. Our ALM meets regularly to monitor interest rate risk, the sensitivity of our assets and liabilities to interest rate changes, the book and market values of our assets and liabilities, and our investment activities. It also directs changes in the composition of our assets and liabilities. Our strategy has been to reduce the sensitivity of our earnings to interest rate fluctuations by more closely matching the effective maturities or repricing characteristics of our assets and liabilities. Certain assets and liabilities, however, may react in different degrees to changes in market interest rates. Furthermore, interest rates on certain types of assets and liabilities may fluctuate prior to changes in market interest rates, while interest rates on other types may lag behind changes in market interest rates. We consider the anticipated effects of these factors when implementing our interest rate risk management objectives.

Interest Rate Sensitivity

We monitor interest rate risk through the use of a simulation model that provides us with the ability to simulate our net interest income. In order to measure, at March 31, 2019, the sensitivity of our forecasted net interest income to changing interest rates, both rising and falling interest rate scenarios were projected and compared to base market interest rate forecasts. One application of our simulation model measures the impact of market interest rate changes on the net present value of estimated cash flows from our assets and liabilities, defined as our market value of equity. This analysis assesses the changes in market values of interest rate sensitive financial instruments that would occur in response to immediate and parallel changes in market interest rates.

The impacts on our net interest income and market value of equity exposed to immediate and parallel hypothetical changes in market interest rates as projected by the model we use for this purpose are illustrated in the following table:

	March 31, 2019				December 31, 2018
Simulated Rate Changes	Estimated Net Interest Income Sensitivity		Market Value Of Equity Volatility		Estimated Net Interest Income Sensitivity		Market Value Of Equity Volatility
+ 200 basis points	5.11	%	(3.51	)%	4.50	%	(4.30	)%
+ 100 basis points	2.65	%	(1.48	)%	2.18	%	(2.12	)%
- 100 basis points	(3.03	)%	0.53	%	(3.24	)%	1.14	%
- 200 basis points	(6.45	)%	1.49	%	(7.17	)%	0.92	%

81

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Disclosure controls and procedures are controls and procedures designed to ensure that information required to be disclosed by us in reports filed or submitted under the Securities Exchange Act of 1934, as amended (the “Exchange Act”) is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC, and that such information is accumulated and communicated to our management, including our President and Chief Executive Officer and our Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

In designing and evaluating disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

We conducted an evaluation under the supervision and with the participation of our management, including our President and Chief Executive Officer and our Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) as of the end of the period covered by this Quarterly Report on Form 10-Q. Based upon that evaluation, our President and Chief Executive Officer and our Chief Financial Officer determined that our disclosure controls and procedures were effective as of March 31, 2019.

Changes in Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting during the quarter ended March 31, 2019 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

82

PART II

OTHER INFORMATION

Item 1. Legal Proceedings

In the normal course of business, the Company is involved in various legal claims. Management has reviewed all legal claims against the Company with counsel and has taken into consideration the views of such counsel as to the potential outcome of the claims in determining our accrued loss contingency. Accrued loss contingencies for all legal claims totaled approximately $100 thousand at March 31, 2019. It is reasonably possible the Company may incur losses in addition to the amounts currently accrued. However, at this time, the Company is unable to estimate the range of additional losses that are reasonably possible because of a number of factors, including the fact that certain of these litigation matters are still in their early stages and involve claims for which, at this point, management believes have little to no merit. Management has considered these and other possible loss contingencies and does not expect the amounts to be material to the consolidated financial statements.

Item 1A. Risk Factors

Management is not aware of any material changes to the risk factors discussed in Part 1, Item 1A, of the Annual Report on Form 10-K for the year ended December 31, 2018. In addition to the other information set forth in this Quarterly Report on Form 10-Q, you should carefully consider the risk factors discussed in Part 1, Item 1A, of the Annual Report on Form 10-K for the year ended December 31, 2018, which could materially and adversely affect the Company’s business, financial condition, results of operations and stock price. The risks described in the Annual Report on Form 10-K are not the only risks facing the Company. Additional risks and uncertainties not presently known to management or that management presently believes not to be material may also result in material and adverse effects on our business, financial condition, and results of operations.

83

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

None.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not Applicable.

Item 5. Other Information

None.

Item 6. Exhibits

See “Index to Exhibits.”

84

INDEX TO EXHIBITS

Exhibit Number	Description
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002*
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002*
32.1	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002*
32.2	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002*
101.INS	XBRL Instance Document*
101.SCH	XBRL Taxonomy Extension Schema Document*
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document*
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document*
101.LAB	XBRL Taxonomy Extension Label Linkbase Document*
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document*

__________________________________

* Filed herewith

85

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.

		HOPE BANCORP, INC.
Date:	May 3, 2019	/s/ Kevin S. Kim
		Kevin S. Kim
		President and Chief Executive Officer
Date:	May 3, 2019	/s/ Alex Ko
		Alex Ko
		Executive Vice President and Chief Financial Officer

86

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Kevin S. Kim, certify that:

1. I have reviewed this periodic report on Form 10-Q of Hope 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 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 registrants' board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 3, 2019

/s/ Kevin S. Kim

Kevin S. Kim

President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Alex Ko certify that:

1. I have reviewed this periodic report on Form 10-Q of Hope 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 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 registrants' board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 3, 2019

/s/ Alex Ko

Alex Ko

Executive Vice President and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

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 periodic report of Hope Bancorp, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2019, as filed with the Securities and Exchange Commission (the “Report”), I, Kevin S. Kim, Chief Executive Officer of the Company, hereby certify as of the date hereof, solely for purposes of Title 18, Chapter 63, Section 1350 of the United States Code, that:

     (1)    the Report fully complies with the requirements of section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

     (2)    the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

This Certification has not been, and shall not be deemed, “filed” with the Securities and Exchange Commission.

Date: May 3, 2019

/s/ Kevin S. Kim

Kevin S. Kim

President and Chief Executive Officer

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

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 periodic report of Hope Bancorp, Inc (the “Company”) on Form 10-Q for the period ended March 31, 2019, as filed with the Securities and Exchange Commission (the “Report”), I, Alex Ko, Chief Financial Officer of the Company, hereby certify as of the date hereof, solely for purposes of Title 18, Chapter 63, Section 1350 of the United States Code, that:

     (1)    the Report fully complies with the requirements of section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

     (2)    the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

This Certification has not been, and shall not be deemed, “filed” with the Securities and Exchange Commission.

Date: May 3, 2019

/s/ Alex Ko

Alex Ko

Executive Vice President and Chief Financial Officer

XML

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2019	May 01, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Entity Registrant Name	Hope Bancorp Inc
Entity Central Index Key	0001128361
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		126,663,405

XML

Consolidated Statements Of Financial Condition - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Cash and cash equivalents:
Cash and due from banks	$ 211,223,000	$ 219,366,000
Interest bearing cash in other banks	401,661,000	240,240,000
Total cash and cash equivalents	612,884,000	459,606,000
Interest bearing deposits in other financial institutions	30,141,000	29,409,000
Securities available for sale, at fair value	1,818,343,000	1,846,265,000
Equity investments	50,873,000	49,835,000
Loans held for sale, at the lower of cost or fair value	921,000	25,128,000
Loans receivable, net of allowance for loan losses of $94,217 and $92,557 at March 31, 2019 and December 31, 2018, respectively	11,959,787,000	12,005,558,000
Other real estate owned (“OREO”), net	6,258,000	7,754,000
Federal Home Loan Bank (“FHLB”) stock, at cost	21,580,000	25,461,000
Premises and equipment, net	53,218,000	53,794,000
Accrued interest receivable	34,831,000	32,225,000
Deferred tax assets, net	39,352,000	50,913,000
Customers’ liabilities on acceptances	1,896,000	2,281,000
Bank owned life insurance (“BOLI”)	75,586,000	75,219,000
Investments in affordable housing partnerships	89,078,000	92,040,000
Operating lease right-of-use assets, net	62,360,000	0
Goodwill	464,450,000	464,450,000
Core deposit intangible assets, net	13,504,000	14,061,000
Servicing assets, net	21,407,000	23,132,000
Other assets	42,200,000	48,821,000
Total assets	15,398,669,000	15,305,952,000
Deposits:
Noninterest bearing	2,948,751,000	3,022,633,000
Interest bearing:
Money market and NOW accounts	3,086,920,000	3,036,653,000
Savings deposits	223,562,000	225,746,000
Time deposits	5,989,963,000	5,870,624,000
Total deposits	12,249,196,000	12,155,656,000
FHLB advances	720,000,000	821,280,000
Federal funds purchased	0
Convertible notes, net	195,754,000	194,543,000
Subordinated debentures	102,201,000	101,929,000
Accrued interest payable	37,511,000	31,374,000
Acceptances outstanding	1,896,000	2,281,000
Operating lease liabilities	62,833,000	0
Commitments to fund investments in affordable housing partnerships	40,709,000	46,507,000
Other liabilities	42,358,000	49,171,000
Total liabilities	13,452,458,000	13,402,741,000
STOCKHOLDERS’ EQUITY:
Common stock, $0.001 par value; authorized 150,000,000 shares at March 31, 2019 and December 31, 2018: issued and outstanding 135,638,037 and 126,635,584 shares, respectively, at March 31, 2019, and issued and outstanding 135,642,365 and 126,639,912 shares, respectively, at December 31, 2018	136,000	136,000
Additional paid-in capital	1,424,029,000	1,423,405,000
Retained earnings	687,404,000	662,375,000
Treasury stock, at cost; 9,002,453 shares at March 31, 2019 and December 31, 2018	(150,000,000)	(150,000,000)
Accumulated other comprehensive loss, net	(15,358,000)	(32,705,000)
Total stockholders’ equity	1,946,211,000	1,903,211,000
Total liabilities and stockholders’ equity	$ 15,398,669,000	$ 15,305,952,000

XML

Consolidated Statements Of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Loans receivable, allowance	$ 94,217	$ 92,557
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	135,638,037	135,642,365
Common stock, shares outstanding	126,635,584	126,639,912
Treasury stock, at cost, shares repurchased	9,002,453	9,002,453

XML

Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
INTEREST INCOME:
Interest and fees on loans	$ 158,136	$ 137,943
Interest on securities	12,319	10,101
Interest on other investments	2,675	2,366
Total interest income	173,130	150,410
INTEREST EXPENSE:
Interest on deposits	46,847	24,849
Interest on FHLB advances	2,614	4,069
Interest on other borrowings and convertible notes	4,061	1,424
Total interest expense	53,522	30,342
NET INTEREST INCOME BEFORE PROVISION FOR LOAN LOSSES	119,608	120,068
PROVISION FOR LOAN LOSSES	3,000	2,500
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	116,608	117,568
NONINTEREST INCOME:
Service fees on deposit accounts	4,317	4,801
International service fees	933	1,020
Loan servicing fees, net	730	1,579
Wire transfer fees	1,089	1,207
Net gains on sales of SBA loans	0	3,450
Net gains on sales of other loans	741	1,196
Other income and fees	3,612	6,597
Total noninterest income	11,422	19,850
NONINTEREST EXPENSE:
Salaries and employee benefits	40,429	39,385
Occupancy	7,677	7,239
Furniture and equipment	3,446	3,721
Advertising and marketing	2,062	2,299
Data processing and communications	2,956	3,495
Professional fees	5,380	3,106
Investments in affordable housing partnerships expenses	2,881	2,630
FDIC assessments	1,551	1,767
Credit related expenses	678	772
OREO expense, net	(152)	(104)
Other	3,925	4,143
Total noninterest expense	70,833	68,453
INCOME BEFORE INCOME TAXES	57,197	68,965
INCOME TAX PROVISION	14,439	17,733
NET INCOME	$ 42,758	$ 51,232
EARNINGS PER COMMON SHARE
Basic (in dollars per share)	$ 0.34	$ 0.38
Diluted (in dollars per share)	$ 0.34	$ 0.38

XML

Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 42,758	$ 51,232
Other comprehensive income (loss):
Change in unrealized net holding gains (losses) on securities available for sale	24,597	(24,645)
Change in unrealized net holding gains (losses) on interest only strips	69	(4)
Tax effect	(7,319)	7,509
Other comprehensive income (loss), net of tax	17,347	(17,140)
Total comprehensive income	$ 60,105	$ 34,092

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Consolidated Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Retained earnings	Treasury stock	Accumulated other comprehensive loss, net
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01	$ (188)			$ (469)		$ 281
Balance at Dec. 31, 2017	1,928,255	$ 136	$ 1,405,014	544,886	$ 0	(21,781)
Balance, shares at Dec. 31, 2017		135,511,891
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares pursuant to various stock plans, net of forfeitures and tax withholding cancellations	112		112
Issuance of shares pursuant to various stock plans, shares		4,228
Stock-based compensation	680		680
Cash dividends declared on common stock ($0.13 per share)	(17,618)			(17,618)
Comprehensive income:
Net income	51,232			51,232
Other comprehensive income (loss)	(17,140)					(17,140)
Balance at Mar. 31, 2018	1,945,333	$ 136	1,405,806	578,031	0	(38,640)
Balance, shares at Mar. 31, 2018		135,516,119
Balance at Dec. 31, 2017	$ 1,928,255	$ 136	1,405,014	544,886	0	(21,781)
Balance, shares at Dec. 31, 2017		135,511,891
Comprehensive income:
Repurchase of treasury stock, shares	(9,002,453)
Balance at Dec. 31, 2018	$ 1,903,211	$ 136	1,423,405	662,375	(150,000)	(32,705)
Balance, shares at Dec. 31, 2018		126,639,912
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01				(469)		281
Issuance of shares pursuant to various stock plans, net of forfeitures and tax withholding cancellations	3		3
Issuance of shares pursuant to various stock plans, shares		(4,328)
Stock-based compensation	621		621
Cash dividends declared on common stock ($0.13 per share)	(17,729)			(17,729)
Comprehensive income:
Net income	42,758			42,758
Other comprehensive income (loss)	$ 17,347					17,347
Repurchase of treasury stock, shares	(5,565,696)
Balance at Mar. 31, 2019	$ 1,946,211	$ 136	$ 1,424,029	$ 687,404	$ (150,000)	$ (15,358)
Balance, shares at Mar. 31, 2019		126,635,584

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Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 42,758	$ 51,232
Adjustments to reconcile net income to net cash from operating activities:
Discount accretion, net of depreciation and amortization	1,494	(2,077)
Stock-based compensation expense	815	953
Provision for loan losses	3,000	2,500
Credit for unfunded loan commitments	0	(200)
Valuation adjustment of OREO	60	0
Net gains on sales of SBA and other loans	(741)	(4,646)
Earnings on BOLI	(367)	(387)
Net change in fair value of derivatives	(39)	(19)
Net losses on sale and disposal of premises and equipment	13	33
Net gains on sales of OREO	(3)	(72)
Net change in fair value of equity investments with readily determinable fair value	(912)	(3,519)
Losses on investments in affordable housing partnership	2,886	2,546
Net change in deferred income taxes	4,241	4,442
Proceeds from sales of loans held for sale	36,919	92,850
Originations of loans held for sale	(17,465)	(90,004)
Originations of servicing assets	(327)	(1,716)
Net change in accrued interest receivable	(2,606)	825
Net change in other assets	3,782	11,515
Net change in accrued interest payable	6,137	3,653
Net change in other liabilities	(6,813)	(15,656)
Net cash provided by operating activities	72,832	52,253
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of interest bearing deposits in other financial institutions	(3,430)	(1,323)
Redemption of interest bearing deposits in other financial institutions	2,698	1,225
Purchase of securities available for sale	0	(77,531)
Proceeds from matured, called, or paid-down securities available for sale	50,923	49,850
Proceeds from sales of other loans held for sale previously classified as held for investment	33,644	6,296
Net change in loans receivable	22,561	(188,437)
Proceeds from sales of OREO	1,632	1,202
Purchase of FHLB stock	(155)
Purchase of FHLB stock		810
Redemption of FHLB stock	4,036	0
Purchase of premises and equipment	(1,541)	(2,302)
Proceeds from BOLI death benefits	256	0
Investments in affordable housing partnerships	(5,798)	(2,972)
Net cash provided by (used in) investing activities	104,826	(213,182)
CASH FLOWS FROM FINANCING ACTIVITIES
Net change in deposits	93,540	663,961
Proceeds from FHLB advances	175,000	0
Repayment of FHLB advances	(275,000)	(295,000)
Repayment of federal funds purchased	0	(69,900)
Cash dividends paid on common stock	(17,729)	(17,618)
Taxes paid in net settlement of restricted stock	(194)	(273)
Issuance of additional stock pursuant to various stock plans	3	112
Net cash (used in) provided by financing activities	(24,380)	281,282
NET CHANGE IN CASH AND CASH EQUIVALENTS	153,278	120,353
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	459,606	492,000
CASH AND CASH EQUIVALENTS, END OF PERIOD	612,884	612,353
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest paid	47,182	26,773
Income taxes paid	1,730	1,249
SUPPLEMENTAL DISCLOSURES OF NON-CASH ACTIVITIES
Transfer from loans receivable to OREO	0	806
Transfer from loans receivable to loans held for sale	33,390	6,155
Transfer from loans held for sale to loans receivable	5,181	43
Transfer of available for sale securities to equity investments with adoption of ASU 2016-01	0	21,957
Lease liabilities arising from obtaining right-of-use assets	$ 62,833	$ 0

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Hope Bancorp, Inc.

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Hope Bancorp, Inc.

Hope Bancorp, Inc.

Hope Bancorp, Inc. (“Hope Bancorp” on a parent-only basis and the “Company” on a consolidated basis), headquartered in Los Angeles, California, is the holding company for Bank of Hope (the “Bank”). As of March 31, 2019, the Bank operated branches in California, Washington, Texas, Illinois, Alabama, Georgia, Virginia, New Jersey, and New York, loan production offices in Colorado, Texas, Oregon, Washington, Georgia, Southern California, and Northern California, and a representative office in Seoul, South Korea. The Company is a corporation organized under the laws of the state of Delaware and a bank holding company registered under the Bank Holding Company Act of 1956, as amended.

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Basis of Presentation

3 Months Ended

Mar. 31, 2019

Basis Of Presentation [Abstract]

Basis of Presentation

Basis of Presentation

The consolidated financial statements included herein have been prepared without an audit, pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”), except for the Consolidated Statement of Financial Condition as of December 31, 2018 which was from the audited financial statements included in the Company’s 2018 Annual Report on Form 10-K. Certain information and footnote disclosures normally included in annual financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to such SEC rules and regulations.

The consolidated financial statements include the accounts of Hope Bancorp and its wholly owned subsidiaries, principally Bank of Hope. All intercompany transactions and balances have been eliminated in consolidation. The Company has made all adjustments, that in the opinion of management, are necessary to fairly present the Company’s financial position at March 31, 2019 and December 31, 2018 and the results of operations for the three months ended March 31, 2019 and 2018. Certain reclassifications have been made to prior period amounts to conform to the current year presentation. The results of operations for the interim periods are not necessarily indicative of results to be anticipated for the full year.

The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ significantly from those estimates.

These unaudited consolidated financial statements should be read along with the audited consolidated financial statements and accompanying notes included in the Company’s 2018 Annual Report on Form 10-K.

Adopted Accounting Pronouncements

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)”. Subsequently, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases”, ASU 2018-11, “Leases Topic 842, Targeted Improvements”, and ASU 2018-20, “Narrow-Scope Improvements for Lessors”, to provide additional clarification, implementation, and transition guidance on certain aspects of ASU 2016-02. ASU 2016-02 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. Under ASU 2016-02, leases are classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. ASU 2016-02, ASU 2018-10, ASU 2018-11, and ASU 2018-20 were effective for fiscal years beginning after December 15, 2018. The Company adopted Topic 842 on January 1, 2019. The Company elected the transition option provided in ASU 2018-11 and the modified retrospective approach was applied on January 1, 2019. The Company did not have any amounts recorded for the cumulative adjustment to the opening balance of retained earnings. As permitted by ASU 2016-02, the Company elected the following practical expedients: lease classifications under ASC 840 were grandfathered in, the Company did not re-evaluate embedded leases, the Company did not reassess initial direct costs, the option not to separate lease and non-lease components and instead accounted for them as a single lease component, and exercised the option not to recognize right-of-use assets and lease liabilities that arose from short-term leases (i.e., leases with terms of twelve months or less). At January 1, 2019, the Company had a total of 96 operating leases resulting in the recognition of $64.3 million in right-of-use assets and related lease liabilities totaling $64.3 million. See Note 8, “Leases” for further details.

In March 2017, the FASB issued ASU 2017-08, “Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities”. ASU 2017-08 was issued to amend the amortization period for certain callable debt securities held at a premium. ASU 2017-08 shortens the amortization period of premiums on certain purchased callable debt securities to the earliest call date. ASU 2017-08 affect all entities that hold investments in callable debt securities that have an amortized cost basis in excess of the amount that is repayable by the issuer at the earliest call date (that is, at a premium). ASU 2017-08 does not impact securities purchased at a discount, which continue to be amortized to maturity. ASU 2017-08 was effective for annual period beginning after December 15, 2018. The Company adopted ASU 2017-08 on January 1, 2019. The adoption of ASU 2017-08 did not have an impact to the Company consolidated financial statements as the premiums on purchased callable debt securities were already being amortized to the earliest call date.

In June 2018, the FASB issued ASU 2018-07, “Compensation - Stock Compensation (Topic 718): Improvements to Nonemployees Share-Based Payment Accounting”. ASU 2018-07 expands the scope of Topic 718 (which currently only includes share-based payments to employees) to include share-based payments issued to nonemployees for goods or services.  Under ASU 2018-07, the accounting for share-based payments for nonemployees and employees are substantially the same. ASU supersedes Subtopic 505-50, “Equity – Equity-Based Payments to Non-Employees”. ASU 2018-07 was effective for annual period beginning after December 15, 2018. The Company adopted ASU 2018-07 on January 1, 2019. Although the Company’s stock compensation plan allows for the stock compensation to nonemployees, the Company historically has not granted stock compensation to nonemployees. Therefore, the adoption of ASU 2018-07 did not have an impact to the Company’s consolidated financial statements .

Pending Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”, also referred to as “CECL”. ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU 2016-13 becomes effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019. The Company has established a CECL committee to oversee the development and implementation of ASU 2016-13. The Company is collaborating with a third party advisory team and has completed a gap assessment, a full implementation road-map and a detailed project plan. The Company has also engaged a software vendor to assist the Company to build a model that is compliant with ASU 2016-13 by the effective date. Based on the Company’s initial assessment of the ASU 2016-13, the Company expects the new guidance will result in additional required allowance for loan losses which could potentially have a material impact on its consolidated financial statements and regulatory capital ratios.

In January 2017, the FASB issued ASU 2017-04, “Intangibles: Goodwill and Other: Simplifying the Test for Goodwill Impairment.” ASU 2017-04 will amend and simplify current goodwill impairment testing to eliminate Step 2 from the current provisions. Under the new guidance, an entity should perform the goodwill impairment test by comparing the fair value of a reporting unit with its carrying value and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. An entity still has the option to perform the quantitative assessment for a reporting unit to determine if a quantitative impairment test is necessary. ASU 2017-04 should be adopted for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. The adoption of ASU 2017-04 is not expected to have a material impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement”. ASU 2018-13 modifies the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. ASU 2018-13 removes the disclosure requirement detailing the amount of and reasons for transfers between Level 1 and Level 2 and the valuation processes for Level 3 fair value measurements will be removed. In addition, ASU 2018-13 modifies the disclosure requirement for investments in certain entities that calculate net asset value. Lastly, ASU 2018-13 adds a disclosure requirement for changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 measurements. ASU 2018-13 is effective annual periods in fiscal years beginning after December 15, 2019, including interim periods within those annual periods. Early adoption is permitted upon the issuance of ASU 2018-13. The removed and modified disclosures will be adopted on a retrospective basis, and the new disclosures will be adopted on a prospective basis. The adoption of ASU 2018-13 is not expected to have a material impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, “Intangibles - Goodwill and Other - Internal Use Software (Subtopic 250-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)”. ASU 2018-15 requires an entity in a cloud computing arrangement (i.e., hosting arrangement) that is a service contract to follow the internal-use software guidance in ASC 350-40 to determine which implementation costs to capitalize as assets or expense as incurred. Capitalized implementation costs should be presented in the same line item on the balance sheet as amounts prepaid for the hosted service, if any (generally as an “other asset”). The capitalized costs will be amortized over the term of the hosting arrangement, with the amortization expense being presented in the same income statement line item as the fees paid for the hosted service. ASU 2018-15 is effective for annual reporting periods beginning after December 15, 2019, including interim periods within those annual periods. Early adoption is permitted, including adoption in any interim period. The adoption of ASU 2018-15 is not expected to have a material impact on the Company’s consolidated financial statements.

Recent Accounting Pronouncements

In March 2019, the FASB issued ASU 2019-01, “Leases (Topic 842)”. ASU 2019-01 aligns the guidance for fair value of the underlying asset by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance. ASU 2019-01 also requires lessors within the scope of Topic 842, Financial Services-Depository Lending, to present all “principal payments received under leases” within investing activities on the Consolidated Statements of Cash Flows. In addition, ASU 2019-01 exempts both lessees and lessors from having to provide certain interim disclosures in the fiscal year in which a company adopts the new leases standard. The guidance is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. Early application is permitted. An entity should apply the amendments as of the date that it first applied Topic 842, using the same transition methodology in accordance with paragraph 842-10-65-1(c). The Company adopted Topic 842 on January 1, 2019 and applied the amendments in ASU 2019-01 as of the same date and it did not have a material impact on the Company’s consolidated financial statements as the Company is not a lessor.

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2019

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

Stock-Based Compensation

Stock-Based Compensation

The Company has a stock-based incentive plan (the “2016 Plan”) to award equity as a form of compensation. The 2016 Plan was approved by the Company’s stockholders on September 1, 2016. The 2016 Plan provides for grants of stock options, stock appreciation rights (“SARs”), restricted stock, performance shares, and performance units (sometimes referred to individually or collectively as “awards”) to non-employee directors, employees, and potentially consultants of the Company. Stock options may be either incentive stock options (“ISOs”), as defined in Section 422 of the Internal Revenue Code of 1986, as amended (the “Code”), or nonqualified stock options (“NQSOs”).

The 2016 Plan gives the Company flexibility to (i) attract and retain qualified non-employee directors, executives, other key employees, and consultants with appropriate equity-based awards to; (ii) motivate high levels of performance; (iii) recognize employee contributions to the Company’s success; and (iv) align the interests of the 2016 Plan participants with those of the Company’s stockholders. The plan initially had 2,400,000 shares available for grant to participants. The exercise price for shares under an ISO may not be less than 100% of fair market value on the date the award is granted under Code Section 422. Similarly, under the terms of the 2016 Plan, the exercise price for SARs and NQSOs may not be less than 100% of fair market value on the date of grant. Performance units are awarded to a participant at the market price of the Company’s common stock on the date of award (after the lapse of the restriction period and the attainment of the performance criteria). No minimum exercise price is prescribed for performance shares and restricted stock awarded under the 2016 Plan. All options not exercised generally expire 10 years after the date of grant.

ISOs, SARs and NQSOs have vesting periods of three to five years and have 10-year contractual terms. Restricted stock, performance shares, and performance units are granted with a restriction period of not less than one year from the grant date for performance-based awards and not more than three years from the grant date for time-based vesting of grants. Compensation expense for awards is recognized over the vesting period.

Under the 2016 Plan, 772,010 shares were available for future grants as of March 31, 2019.

The total shares reserved for issuance will serve as the underlying value for all equity awards under the 2016 Plan. With the exception of the shares underlying stock options and restricted stock awards, the board of directors may choose to settle the awards by paying the equivalent cash value or by delivering the appropriate number of shares.

The following is a summary of stock option activity under the 2016 Plan for the three months ended March 31,2019:

	Number of Shares		Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value (Dollars in thousands)
Outstanding - January 1, 2019	982,631		$	15.41
Granted	—		—
Exercised	—		—
Expired	(6,962	)	15.79
Forfeited	(18,000	)	17.18
Outstanding - March 31, 2019	957,669		$	15.37	6.16	$	850
Options exercisable - March 31, 2019	770,659		$	15.00	5.91	$	850

The following is a summary of restricted stock and performance unit activity under the 2016 Plan for the three months ended March 31,2019:

	Number of Shares		Weighted- Average Grant Date Fair Value
Outstanding (unvested) - January 1, 2019	478,891		$	16.37
Granted	384,854		13.67
Vested	(24,956	)	15.57
Forfeited	(28,075	)	16.31
Outstanding (unvested) - March 31, 2019	810,714		$	15.11

The total fair value of restricted stock and performance units vested for the three months ended March 31, 2019 and 2018 was $347 thousand and $476 thousand, respectively.

In 2017, the Company adopted the Hope Employee Stock Purchase Plan (“ESPP”) which allows eligible employees to purchase the Company’s common shares through payroll deductions which build up between the offering date and the purchase date. At the purchase date, the Company uses the accumulated funds to purchase shares in the Company on behalf of the participating employees at a 10% discount to the closing price of the Company’s common shares. The closing price is the lower of either the closing price on the first day of the offering period or on the closing price on the purchase date. The dollar amount of common shares purchased under the ESPP must not exceed 20% of the participating employee’s base salary, subject to a cap of $25 thousand in stock value based on the grant date. The ESPP is considered compensatory under GAAP and compensation expense for the ESPP is recognized as part of the Company’s stock-based compensation expenses. The compensation expense for ESPP during the three months ended March 31, 2019 and 2018 was $33 thousand and $148 thousand, respectively.

The total amount charged against income related to stock-based payment arrangements, including ESPP, was $815 thousand and $953 thousand for the three months ended March 31, 2019 and 2018, respectively. The income tax benefit recognized was approximately $206 thousand and $245 thousand for the three months ended March 31, 2019 and 2018, respectively.

At March 31, 2019, the unrecognized compensation expense related to non-vested stock option grants was $381 thousand which is expected to be recognized over a weighted average vesting period of 2.40 years. Unrecognized compensation expense related to non-vested restricted stock and performance units was $8.9 million which is expected to be recognized over a weighted average vesting period of 2.13 years.

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Earnings Per Share ("EPS")

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Earnings Per Share ("EPS")

Earnings Per Share (“EPS”)

Basic EPS does not reflect the possibility of dilution that could result from the issuance of additional shares of common stock upon exercise or conversion of outstanding equity awards or convertible notes and is computed by dividing net income by the weighted average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if stock options, convertible notes, or other contracts to issue common stock were exercised or converted to common stock that would then share in earnings. For the three months ended March 31, 2019 and 2018, stock options and restricted shares awards for 969,871 and 308,258 shares of common stock, respectively, were excluded in computing diluted earnings per common share because they were anti-dilutive. Additionally, warrants issued pursuant to the Company’s participation in the U.S. Treasury’s TARP Capital Purchase Plan to purchase and 20,520 shares of common stock were anti-dilutive and excluded for the three months ended March 31, 2018. There were no warrants outstanding at March 31, 2019.

During the second quarter of 2018, the Company issued $217.5 million in convertible notes. The convertible notes can be converted to the Company’s shares of common stock at an initial rate of 45.0760 shares per $1,000 principal amount of the notes (See footnote 11 “Subordinated Debentures and Convertible Notes” for additional information regarding convertible notes issued). For the three months ended March 31, 2019, shares related to the convertible notes issued were not included in the Company’s diluted EPS calculation. In accordance with the terms of the convertible notes and settlement options available to the Company, no shares would have been delivered to investors of the convertible notes upon assumed conversion based on the Company’s common stock price during the three months ended March 31, 2019.

On April 26, 2018, the Company’s Board of Directors approved a share repurchase program that authorized the Company to repurchase up to $100.0 million in common stock and on September 20, 2018, the Company’s Board of Directors approved another share repurchase program that authorized the Company to repurchase up to $50.0 million in common stock. During the year ended December 31, 2018, the Company repurchased 9,002,453 shares of common stock totaling$150.0 million. The repurchased shares were recorded as treasury stock and reduced the total number of common shares outstanding as of March 31, 2019 and December 31, 2018.

The following tables show the computation of basic and diluted EPS for the three months ended March 31, 2019 and 2018.

	Three Months Ended March 31,
	2019					2018
	Net Income (Numerator)		Weighted-Average Shares (Denominator)	Earnings Per Share		Net Income (Numerator)		Weighted-Average Shares (Denominator)	Earnings Per Share
	(Dollars in thousands, except share and per share data)
Basic EPS - common stock	$	42,758	126,640,464	$	0.34	$	51,232	135,518,705	$	0.38
Effect of dilutive securities:
Stock options, restricted stock,    and ESPP shares			179,208					296,557
Diluted EPS - common stock	$	42,758	126,819,672	$	0.34	$	51,232	135,815,262	$	0.38

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Equity Investment Securities

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Equity Investment Securities

Equity Investments

On January 1, 2018, the Company adopted ASU 2016-01, “Recognition and Measurement of Financial Assets and Financial Liabilities”. As a result of the adoption, the Company reclassified $469 thousand in net unrealized losses included in other comprehensive income and deferred tax assets to retained earnings on January 1, 2018. Equity investments with readily determinable fair values at March 31, 2019, consisted of mutual funds and equity stock in other institutions in the amount of $21.7 million and $2.6 million, respectively and is included in “Equity investments” on the Consolidated Statements of Financial Condition. Equity investments with readily determinable fair values at December 31, 2018, consisted of mutual funds and equity stock in other institutions in the amount of $21.5 million and $1.9 million, respectively.

The change in fair value for equity investments with readily determinable fair values for the three months ended March 31, 2019 and 2018 were recorded in other noninterest income and fees as summarized in the table below:

	Three Months Ended,
	March 31, 2019		March 31, 2018
	(Dollars in thousands)
Net change in fair value recorded during the period on equity investments with readily determinable fair value	$	912	$	3,519
Net change in fair value recorded on equity investments sold during the period	—		—
Net change in fair value on equity investments with readily determinable fair values	$	912	$	3,519

At March 31, 2019 and December 31, 2018, the Company also had equity investments without readily determinable fair value which are carried at cost less any determined impairment. The balance of these investments is adjusted for changes in subsequent observable prices. At March 31, 2019, the total balance of equity investments without readily determinable fair values included in “Equity investments” on the consolidated statements of financial condition was $26.6 million, consisting of $370 thousand in correspondent bank stock, $1.0 million in Community Development Financial Institutions investments, and $25.2 million in Community Reinvestment Act investments. At December 31, 2018, the total balance of equity investments without readily determinable fair values was $26.4 million, consisting of $370 thousand in correspondent bank stock, $1.0 million in CDFI investments, and $25.1 million in CRA investments.

The Company had no impairments or subsequent observable price changes for equity investments without readily determinable fair values for the three months ended March 31, 2019 and 2018.

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Securities Available for Sale

3 Months Ended

Mar. 31, 2019

Available-for-sale Securities [Abstract]

Securities Available for Sale

Securities Available for Sale

The following is a summary of securities available for sale as of the dates indicated:

	At March 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in thousands)
Debt securities:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	883,525	$	2,090	$	(13,318	)	$	872,297
Mortgage-backed securities:
Residential	401,210		447		(7,116		)	394,541
Commercial	474,979		4,159		(7,879		)	471,259
Corporate securities	5,000		—		(1,014		)	3,986
Municipal securities	76,385		839		(964		)	76,260
Total investment securities available for sale	$	1,841,099	$	7,535	$	(30,291	)	$	1,818,343
	At December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in thousands)
Debt securities:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	914,710	$	1,541	$	(21,129	)	$	895,122
Mortgage-backed securities:
Residential	415,659		47		(13,101		)	402,605
Commercial	481,081		1,024		(12,979		)	469,126
Corporate securities	5,000		—		(1,174		)	3,826
Municipal securities	77,168		398		(1,980		)	75,586
Total investment securities available for sale	$	1,893,618	$	3,010	$	(50,363	)	$	1,846,265

As of March 31, 2019 and December 31, 2018, there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.

At March 31, 2019 and December 31, 2018, $15.4 million and $32.7 million, respectively, in unrealized losses on securities available for sale net of taxes were included in accumulated other comprehensive loss. There were no reclassifications out of accumulated other comprehensive loss into earnings during the three months ended March 31, 2019 or 2018.

The amortized cost and estimated fair value of investment securities at March 31, 2019, by contractual maturity, is presented in the table below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Collateralized mortgage obligations and mortgage-backed securities are not due at a single maturity date and their total balances are shown separately.

	Amortized Cost		Estimated Fair Value
	(Dollars in thousands)
Available for sale:
Due within one year	$	750	$	757
Due after one year through five years	19,602		19,845
Due after five years through ten years	25,759		26,205
Due after ten years	35,274		33,439
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	883,525		872,297
Mortgage-backed securities:
Residential	401,210		394,541
Commercial	474,979		471,259
Total	$	1,841,099	$	1,818,343

Securities with carrying values of approximately $358.6 million and $354.6 million at March 31, 2019 and December 31, 2018, respectively, were pledged to secure public deposits, for various borrowings, and for other purposes as required or permitted by law.

The following tables show the Company’s investments’ gross unrealized losses and estimated fair values, aggregated by investment category and the length of time that the individual securities have been in a continuous unrealized loss position as of the dates indicated.    

	As of March 31, 2019
	Less than 12 months						12 months or longer						Total
Description of Securities	Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses
	(Dollars in thousands)
Collateralized mortgage obligations*	2	$	21,338	$	(17	)	91	$	681,210	$	(13,301	)	93	$	702,548	$	(13,318	)
Mortgage-backed securities:
Residential*	—	—		—			44	351,534		(7,116		)	44	351,534		(7,116		)
Commercial*	1	5,756		(14		)	25	295,061		(7,865		)	26	300,817		(7,879		)
Corporate securities	—	—		—			1	3,986		(1,014		)	1	3,986		(1,014		)
Municipal securities	8	4,051		(15		)	11	23,135		(949		)	19	27,186		(964		)
Total	11	$	31,145	$	(46	)	172	$	1,354,926	$	(30,245	)	183	$	1,386,071	$	(30,291	)

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* Investments in U.S. Government agency and U.S. Government sponsored enterprises

	As of December 31, 2018
	Less than 12 months						12 months or longer						Total
Description of Securities	Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses
	(Dollars in thousands)
Collateralized mortgage obligations*	1	$	8,041	$	(28	)	93	$	700,095	$	(21,101	)	94	$	708,136	$	(21,129	)
Mortgage-backed securities:
Residential*	4	19,973		(37		)	45	363,334		(13,064		)	49	383,307		(13,101		)
Commercial*	3	38,494		(218		)	27	312,428		(12,761		)	30	350,922		(12,979		)
Corporate securities	—	—		—			1	3,826		(1,174		)	1	3,826		(1,174		)
Municipal securities	13	5,528		(83		)	32	42,444		(1,897		)	45	47,972		(1,980		)
Total	21	$	72,036	$	(366	)	198	$	1,422,127	$	(49,997	)	219	$	1,494,163	$	(50,363	)

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* Investments in U.S. Government agency and U.S. Government sponsored enterprises

The Company evaluates securities for other-than-temporary-impairment (“OTTI”) on at least a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to the financial condition and near-term prospects of the issuer, the length of time and the extent to which the fair values of the securities have been less than the cost of the securities, management’s intention to sell, and/or whether it is more likely than not that management will be required to sell the security in an unrealized loss position before recovery of its amortized cost basis. In analyzing an issuer’s financial condition, the Company considers, among other considerations, whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuer’s financial condition.

All of the Company’s investment types had investments that were in a continuous unrealized loss position for twelve months or longer as of March 31, 2019. The collateralized mortgage obligations in a continuous loss position for twelve months or longer had unrealized losses of $13.3 million at March 31, 2019, and total residential and commercial mortgage backed securities in a continuous loss position for twelve months or longer had total unrealized losses of $15.0 million. These securities were issued by U.S. Government agency and U.S. Government sponsored enterprises and have high credit ratings of “AA” grade or better. Interest on U.S. Government agencies and U.S. Government sponsored enterprise investments have been paid as agreed, and management believes this will continue in the future and that the securities will be repaid in full as scheduled. Corporate securities that were in a continuous loss position for twelve months or longer had unrealized losses of $1.0 million at March 31, 2019. Municipal securities that were in a continuous loss position for twelve months or longer had unrealized losses of $949 thousand at March 31, 2019. The market value declines for these securities were primarily due to movements in interest rates and are not reflective of management’s expectations of the Company’s ability to fully recover these investments, which may be at maturity. For these reasons, no OTTI was recognized on U.S. Government sponsored collateralized mortgage obligations and mortgage backed securities, corporate securities, and municipal securities that were in an unrealized loss position at March 31, 2019.

The Company considers the losses on the investments in unrealized loss positions at March 31, 2019 to be temporary based on: 1) the likelihood of recovery; 2) the information relative to the extent and duration of the decline in market value; and 3) the Company’s intention not to sell, and management’s determination that it is more likely than not that the Company will not be required to sell a security in an unrealized loss position before recovery of its amortized cost basis.

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Loans Receivable and Allowance for Loan Losses

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Loans Receivable and Allowance for Loan Losses

Loans Receivable and Allowance for Loan Losses

The following is a summary of loans receivable by major category:

	March 31, 2019			December 31, 2018
Loan portfolio composition	(Dollars in thousands)
Real estate loans:
Residential	$	49,633		$	51,197
Commercial	8,396,364			8,395,327
Construction	269,837			275,076
Total real estate loans	8,715,834			8,721,600
Commercial business	2,158,424			2,127,630
Trade finance	172,273			197,190
Consumer and other	1,007,067			1,051,486
Total loans outstanding	12,053,598			12,097,906
Deferred loan fees, net	406			209
Loans receivable	12,054,004			12,098,115
Allowance for loan losses	(94,217		)	(92,557		)
Loans receivable, net of allowance for loan losses	$	11,959,787		$	12,005,558

The loan portfolio is made up of four segments: real estate loans, commercial business, trade finance, and consumer and other. Real estate loans are extended for the purchase and refinance of commercial real estate and are generally secured by first deeds of trust and are collateralized by residential or commercial properties. Commercial business loans are loans provided to business for various purposes such as for working capital, purchasing inventory, debt refinancing, business acquisitions and other business related financing needs. Trade finance loans generally serves businesses involved in international trade activities. Consumer and other loans consist mostly of single family residential mortgage loans but also includes home equity, credit cards, and other personal loans.

The four segments are further segregated between loans accounted for under the amortized cost method (“Legacy Loans”), and previously acquired loans that were originally recorded at fair value with no carryover of the related pre-acquisition allowance for loan losses (“Acquired Loans”). Acquired Loans are further segregated between purchased credit impaired loans (loans with credit deterioration on the date of acquisition and accounted for under ASC 310-30, or “PCI loans”), and Acquired Performing Loans (loans that were pass graded on the acquisition date and the fair value adjustment is amortized over the contractual life under ASC 310-20, or “non-PCI loans”).

The following table presents changes in the accretable discount on PCI loans for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	49,697		$	55,002
Accretion	(5,834		)	(5,772		)
Reclassification from nonaccretable difference	3,501			5,616
Balance at end of period	$	47,364		$	54,846

On the acquisition date, the amount by which the undiscounted expected cash flows exceed the estimated fair value of PCI loans is considered the “accretable yield.” The accretable yield is measured at each financial reporting date and represents the difference between the remaining undiscounted expected cash flows and the current carrying value of the loans. The accretable yield will change from period to period due to the following: 1) estimates of the remaining life of acquired loans will affect the amount of future interest income; 2) indices for variable rates of interest on PCI loans may change; and 3) estimates of the amount of the contractual principal and interest that will not be collected (nonaccretable difference) may change.

The following tables detail the activity in the allowance for loan losses by portfolio segment for the three months ended March 31, 2019 and 2018:

	Legacy Loans												Acquired Loans											Total
	Real Estate			Commercial Business			Trade Finance			Consumer and Other			Real Estate			Commercial Business			Trade Finance		Consumer and Other
	(Dollars in thousands)
Three Months Ended March 31, 2019
Balance, beginning of period	$	49,446		$	21,826		$	719		$	6,269		$	7,321		$	5,939		$	—	$	1,037		$	92,557
Provision (credit) for loan losses	(4,658		)	6,621			(21		)	938			(39		)	118			—		41			3,000
Loans charged off	(34		)	(1,160		)	—			(210		)	(26		)	(248		)	—		(76		)	(1,754		)
Recoveries of charge offs	1,122			89			—			7			5			69			—		—			1,292
PCI allowance adjustment	—			—			—			—			—			(878		)	—		—			(878		)
Balance, end of period	$	45,876		$	27,376		$	698		$	7,004		$	7,261		$	5,000		$	—	$	1,002		$	94,217

	Legacy Loans											Acquired Loans												Total
	Real Estate			Commercial Business			Trade Finance		Consumer and Other			Real Estate			Commercial Business			Trade Finance			Consumer and Other
	(Dollars in thousands)
Three Months Ended March 31, 2018
Balance, beginning of period	$	45,360		$	17,228		$	1,674	$	3,385		$	13,322		$	3,527		$	42		$	3		$	84,541
Provision (credit) for loan losses	479			3,289			81		877			(173		)	(2,046		)	(4		)	(3		)	2,500
Loans charged off	(63		)	(342		)	—		(347		)	(102		)	(214		)	—			—			(1,068		)
Recoveries of charge offs	201			212			12		19			1			41			—			2			488
Balance, end of period	$	45,977		$	20,387		$	1,767	$	3,934		$	13,048		$	1,308		$	38		$	2		$	86,461

The following tables break out the allowance for loan losses and the recorded investment of loans outstanding (not including accrued interest receivable and net deferred loan costs or fees) by individually impaired, general valuation, and PCI impairment, by portfolio segment at March 31, 2019 and December 31, 2018:

	March 31, 2019
	Legacy Loans								Acquired Loans								Total
	Real Estate		Commercial Business		Trade Finance		Consumer and Other		Real Estate		Commercial Business		Trade Finance		Consumer and Other
	(Dollars in thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	211	$	5,842	$	—	$	8	$	245	$	490	$	—	$	1	$	6,797
Collectively evaluated for impairment	45,665		21,534		698		6,996		1,786		408		—		17		77,104
PCI loans	—		—		—		—		5,230		4,102		—		984		10,316
Total	$	45,876	$	27,376	$	698	$	7,004	$	7,261	$	5,000	$	—	$	1,002	$	94,217
Loans outstanding:
Individually evaluated for impairment	$	59,938	$	33,756	$	5,343	$	817	$	23,264	$	5,048	$	3,066	$	918	$	132,150
Collectively evaluated for impairment	7,122,309		2,026,111		163,864		872,171		1,394,669		72,810		—		127,583		11,779,517
PCI loans	—		—		—		—		115,654		20,699		—		5,578		141,931
Total	$	7,182,247	$	2,059,867	$	169,207	$	872,988	$	1,533,587	$	98,557	$	3,066	$	134,079	$	12,053,598

	December 31, 2018
	Legacy Loans								Acquired Loans								Total
	Real Estate		Commercial Business		Trade Finance		Consumer and Other		Real Estate		Commercial Business		Trade Finance		Consumer and Other
	(Dollars in thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	176	$	4,221	$	—	$	3	$	261	$	130	$	—	$	—	$	4,791
Collectively evaluated for impairment	49,270		17,605		719		6,266		1,264		460		—		19		75,603
PCI loans	—		—		—		—		5,796		5,349		—		1,018		12,163
Total	$	49,446	$	21,826	$	719	$	6,269	$	7,321	$	5,939	$	—	$	1,037	$	92,557
Loans outstanding:
Individually evaluated for impairment	$	39,976	$	29,624	$	5,887	$	441	$	18,080	$	5,734	$	3,124	$	1,141	$	104,007
Collectively evaluated for impairment	7,037,392		1,988,067		188,179		910,292		1,507,858		80,916		—		133,942		11,846,646
PCI loans	—		—		—		—		118,294		23,289		—		5,670		147,253
Total	$	7,077,368	$	2,017,691	$	194,066	$	910,733	$	1,644,232	$	109,939	$	3,124	$	140,753	$	12,097,906

At March 31, 2019 and December 31, 2018, the balance of PCI loans that had credit deterioration subsequent to acquisition was $49.1 million and $57.9 million, respectively. PCI loans with subsequent credit deterioration had an allowance for loan losses balance of $10.3 million and $12.2 million at March 31, 2019 and December 31, 2018, respectively.

As of March 31, 2019 and December 31, 2018, the reserve for unfunded loan commitments recorded in other liabilities was $736 thousand and $736 thousand, respectively. For the three months ended March 31, 2019 and 2018, recognized credit for unfunded commitments recorded in credit related expense was $0 and $200 thousand, respectively.

The recorded investment of individually impaired loans and the total impaired loans net of specific allowance is presented in the following table for the dates indicated:

	March 31, 2019			December 31, 2018
	(Dollars in thousands)
With allocated specific allowance
Without charge off	$	42,912		$	35,365
With charge off	1,101			681
With no allocated specific allowance
Without charge off	77,619			59,607
With charge off	10,518			8,354
Specific allowance on impaired loans	(6,797		)	(4,791		)
Impaired loans, net of specific allowance	$	125,353		$	99,216

The following tables detail the recorded investment of impaired loans (Legacy Loans and Acquired Loans that became impaired subsequent to being originated and acquired, respectfully) as of March 31, 2019 and December 31, 2018, and the average recorded investment and interest income recognized for the three months ended March 31, 2019 and 2018. Impaired loans with no related allowance are believed by management to be adequately collateralized.

	As of March 31, 2019						As of December 31, 2018
Total Impaired Loans (1)	Recorded Investment (2)		Unpaid Contractual Principal Balance		Related Allowance		Recorded Investment*		Unpaid Contractual Principal Balance		Related Allowance
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	2,045		2,299		171		1,375		1,487		156
Hotel & motel	1,834		2,185		112		1,949		2,310		119
Gas station & car wash	—		—		—		—		—		—
Mixed use	858		934		34		881		947		43
Industrial & warehouse	7,589		8,556		124		1,305		2,139		93
Other	4,355		4,794		15		7,759		8,174		26
Real estate—construction	—		—		—		—		—		—
Commercial business	26,278		28,739		6,332		22,203		23,928		4,351
Trade finance	101		101		—		—		—		—
Consumer and other	953		953		9		575		575		3
Subtotal	$	44,013	$	48,561	$	6,797	$	36,047	$	39,560	$	4,791
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	24,581		27,047		—		8,005		11,234		—
Hotel & motel	9,756		20,349		—		10,877		22,590		—
Gas station & car wash	532		3,640		—		545		3,653		—
Mixed use	7,216		7,329		—		7,048		7,058		—
Industrial & warehouse	10,052		11,335		—		12,343		13,467		—
Other	14,384		15,570		—		5,969		7,122		—
Real estate—construction	—		—		—		—		—		—
Commercial business	12,526		17,863		—		13,155		17,850		—
Trade finance	8,308		8,308		—		9,011		9,011		—
Consumer and other	782		876		—		1,007		1,156		—
Subtotal	$	88,137	$	112,317	$	—	$	67,960	$	93,141	$	—
Total	$	132,150	$	160,878	$	6,797	$	104,007	$	132,701	$	4,791

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

	For the Three Months Ended March 31,
	2019				2018
Total Impaired Loans (1)	Average Recorded Investment (2)		Interest Income Recognized During Impairment		Average Recorded Investment*		Interest Income Recognized During Impairment
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	1,710		6		3,458		—
Hotel & motel	1,891		—		2,878		18
Gas station & car wash	—		—		—		—
Mixed use	870		1		1,635		36
Industrial & warehouse	4,447		92		1,575		23
Other	6,057		26		6,894		68
Real estate—construction	—		—		—		—
Commercial business	24,241		164		24,603		149
Trade finance	50		1		3,229		58
Consumer and other	764		2		508		—
Subtotal	$	40,030	$	292	$	44,780	$	352
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	16,293		35		12,880		110
Hotel & motel	10,317		—		2,940		—
Gas station & car wash	538		5		670		—
Mixed use	7,132		51		1,101		—
Industrial & warehouse	11,198		51		10,518		64
Other	10,177		84		17,225		125
Real estate—construction	—		—		1,300		—
Commercial business	12,840		44		18,204		94
Trade finance	8,659		97		3,221		44
Consumer and other	895		—		1,597		6
Subtotal	$	78,049	$	367	$	69,656	$	443
Total	$	118,079	$	659	$	114,436	$	795

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

	As of March 31, 2019						As of December 31, 2018
Impaired Acquired Loans (1)	Recorded Investment (2)		Unpaid Contractual Principal Balance		Related Allowance		Recorded Investment*		Unpaid Contractual Principal Balance		Related Allowance
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	574		599		125		198		220		118
Hotel & motel	73		345		4		72		345		4
Gas station & car wash	—		—		—		—		—		—
Mixed use	303		305		30		312		312		38
Industrial & warehouse	236		1,033		82		230		1,050		88
Other	543		543		4		3,454		3,454		13
Real estate—construction	—		—		—		—		—		—
Commercial business	3,974		5,924		490		4,064		5,041		130
Trade finance	—		—		—		—		—		—
Consumer and other	136		136		1		144		144		—
Subtotal	$	5,839	$	8,885	$	736	$	8,474	$	10,566	$	391
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	7,533		8,350		—		3,285		4,151		—
Hotel & motel	5,392		6,853		—		5,428		6,874		—
Gas station & car wash	246		2,673		—		247		2,673		—
Mixed use	3,903		4,008		—		3,722		3,726		—
Industrial & warehouse	93		894		—		119		894		—
Other	4,368		4,690		—		1,013		1,326		—
Real estate—construction	—		—		—		—		—		—
Commercial business	1,074		2,096		—		1,670		2,681		—
Trade finance	3,066		3,066		—		3,124		3,124		—
Consumer and other	782		876		—		997		1,144		—
Subtotal	$	26,457	$	33,506	$	—	$	19,605	$	26,593	$	—
Total	$	32,296	$	42,391	$	736	$	28,079	$	37,159	$	391

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

	For the Three Months Ended March 31,
	2019				2018
Impaired Acquired Loans (1)	Average Recorded Investment (2)		Interest Income Recognized During Impairment		Average Recorded Investment*		Interest Income Recognized During Impairment
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	386		—		384		—
Hotel & motel	73		—		85		—
Gas station & car wash	—		—		—		—
Mixed use	307		1		1,544		36
Industrial & warehouse	233		—		243		—
Other	1,999		3		2,817		68
Real estate—construction	—		—		—		—
Commercial business	4,019		40		6,911		30
Trade finance	—		—		—		—
Consumer and other	140		2		—		—
Subtotal	$	7,157	$	46	$	11,984	$	134
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	5,409		30		3,355		34
Hotel & motel	5,410		—		483		—
Gas station & car wash	246		—		100		—
Mixed use	3,813		—		76		—
Industrial & warehouse	106		—		454		—
Other	2,690		66		6,785		57
Real estate—construction	—		—		—		—
Commercial business	1,372		17		3,916		13
Trade finance	3,095		51		3,176		44
Consumer and other	890		—		1,216		2
Subtotal	$	23,031	$	164	$	19,561	$	150
Total	$	30,188	$	210	$	31,545	$	284

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

Generally, loans are placed on nonaccrual status if the principal and/or interest payments become 90 days or more past due and/or management deems the collectability of the principal and/or interest to be in question, as well as when required by regulatory requirements. Loans to customers whose financial condition has deteriorated are considered for nonaccrual status whether or not the loan is 90 days or more past due. Generally, payments received on nonaccrual loans are recorded as principal reductions. Loans are returned to accrual status only when all the principal and interest amounts contractually due are brought current and future payments are reasonably assured. The Company did not recognize any cash basis interest income for the three months ended March 31, 2019 or 2018.

The following table represent the recorded investment of nonaccrual loans and loans past due 90 or more days and still on accrual status by class of loans as of March 31, 2019 and December 31, 2018.

	Nonaccrual Loans(1)				Accruing Loans Past Due 90 or More Days
	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	17,879		5,153		—		—
Hotel & motel	6,125		7,325		—		—
Gas station & car wash	31		31		—		—
Mixed use	734		749		—		—
Industrial & warehouse	5,998		6,111		—		—
Other	10,946		5,940		—		—
Real estate—construction	—		—		—		—
Commercial business	22,867		14,837		—		—
Trade finance	2,521		1,661		—		—
Consumer and other	783		441		387		243
Subtotal	$	67,884	$	42,248	$	387	$	243
Acquired Loans: (2)
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	5,472		829		—		—
Hotel & motel	5,464		5,500		—		1,286
Gas station & car wash	246		247		—		—
Mixed use	4,087		1,224		—		—
Industrial & warehouse	329		349		—		—
Other	719		259		—		—
Real estate—construction	—		—		—		—
Commercial business	1,654		1,632		—		—
Trade finance	—		—		—		—
Consumer and other	782		998		—		—
Subtotal	$	18,753	$	11,038	$	—	$	1,286
Total	$	86,637	$	53,286	$	387	$	1,529

__________________________________

⁽¹⁾  Total nonaccrual loans exclude guaranteed portion of delinquent SBA loans that are in liquidation totaling $30.5 million and $29.2 million, at March 31, 2019 and December 31, 2018, respectively.

⁽²⁾  Acquired Loans exclude PCI loans.

The following tables present the recorded investment of past due loans, including nonaccrual loans past due 30 or more days, by the number of days past due as of March 31, 2019 and December 31, 2018 by class of loans:

	As of March 31, 2019								As of December 31, 2018
	30-59 Days Past Due		60-89 Days  Past Due		90 or More Days Past Due		Total Past Due		30-59 Days Past Due		60-89 Days  Past Due		90 or More Days Past Due		Total Past Due
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	1,101		12,947		428		14,476		733		—		809		1,542
Hotel & motel	1,761		736		3,241		5,738		153		—		5,215		5,368
Gas station & car wash	—		—		31		31		—		—		31		31
Mixed use	—		178		—		178		—		—		—		—
Industrial & warehouse	2,407		601		1,922		4,930		1,465		—		1,922		3,387
Other	3,395		5,097		2,558		11,050		1,837		—		2,405		4,242
Real estate—construction	6,960		—		—		6,960		—		—		—		—
Commercial business	4,436		6,870		6,112		17,418		5,500		435		7,003		12,938
Trade finance	—		1,253		1,623		2,876		1,036		—		1,661		2,697
Consumer and other	17,067		96		753		17,916		16,413		140		247		16,800
Subtotal	$	37,127	$	27,778	$	16,668	$	81,573	$	27,137	$	575	$	19,293	$	47,005
Acquired Loans: (1)
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	28		4,378		772		5,178		347		—		602		949
Hotel & motel	—		—		4,470		4,470		—		—		5,206		5,206
Gas station & car wash	—		—		221		221		154		—		221		375
Mixed use	437		2,688		1,216		4,341		107		—		1,034		1,141
Industrial & warehouse	377		—		93		470		142		—		119		261
Other	868		472		133		1,473		183		219		—		402
Real estate—construction	—		—		—		—		—		—		—		—
Commercial business	554		—		797		1,351		397		613		253		1,263
Trade finance	—		—		—		—		—		—		—		—
Consumer and other	972		—		268		1,240		—		—		334		334
Subtotal	$	3,236	$	7,538	$	7,970	$	18,744	$	1,330	$	832	$	7,769	$	9,931
Total Past Due	$	40,363	$	35,316	$	24,638	$	100,317	$	28,467	$	1,407	$	27,062	$	56,936

__________________________________

⁽¹⁾  Acquired Loans exclude PCI loans.

Loans accounted for under ASC 310-30 are generally considered accruing and performing and the accretable discount is accreted to interest income over the estimated life of the loan when cash flows are reasonably estimable. Accordingly, PCI loans that are contractually past due can still considered to be accruing and performing loans. The loans may be classified as nonaccrual if the timing and amount of future cash flows is not reasonably estimable.

The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt, including, but not limited to, current financial information, historical payment experience, credit documentation, public information, and current economic trends. The Company analyzes loans individually by classifying the loans as to credit risk. This analysis includes all all loans with the exception of homogeneous loans, or loans that are evaluated together in pools of similar loans (i.e., home mortgage loans, home equity lines of credit, overdraft loans, express business loans, and automobile loans). Homogeneous loans are not risk rated and credit risk is analyzed largely by the number of days past due. This analysis is performed at least on a quarterly basis. The definitions for risk ratings are as follows:

• Pass: Loans that meet a preponderance or more of the Company’s underwriting criteria and evidence an acceptable level of risk.

• Special Mention: Loans that have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the institution’s credit position at some future date.

• Substandard: Loans that are inadequately protected by the current net worth and paying capacity of the borrower or by the collateral pledged, if any. Loans in this classification have a well-defined weakness or weaknesses that jeopardize the repayment of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

• Doubtful: Loans that have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or repayment in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

The following tables present the recorded investment of risk ratings for Legacy and Acquired Loans as of March 31, 2019 and December 31, 2018 by class of loans:

	As of March 31, 2019
	Pass/ Not Rated		Special Mention		Substandard		Doubtful		Total
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	43,214	$	—	$	542	$	—	$	43,756
Real estate—commercial
Retail	1,787,236		38,536		46,468		—		1,872,240
Hotel & motel	1,393,791		19,920		17,351		—		1,431,062
Gas station & car wash	816,235		2,785		2,152		—		821,172
Mixed use	554,637		12,401		13,200		—		580,238
Industrial & warehouse	716,760		1,655		37,160		—		755,575
Other	1,358,796		29,603		42,319		—		1,430,718
Real estate—construction	228,815		18,671		—		—		247,486
Commercial business	1,970,125		31,097		58,294		351		2,059,867
Trade finance	163,965		—		5,242		—		169,207
Consumer and other	872,202		3		783		—		872,988
Subtotal	$	9,905,776	$	154,671	$	223,511	$	351	$	10,284,309
Acquired Loans:
Real estate—residential	$	5,151	$	390	$	336	$	—	$	5,877
Real estate—commercial
Retail	434,314		3,691		25,042		—		463,047
Hotel & motel	173,408		300		18,051		—		191,759
Gas station & car wash	134,400		218		6,054		—		140,672
Mixed use	76,806		20,674		8,327		—		105,807
Industrial & warehouse	167,852		4,256		19,820		218		192,146
Other	372,168		11,201		28,559		—		411,928
Real estate—construction	13,049		9,302		—		—		22,351
Commercial business	81,554		640		16,363		—		98,557
Trade finance	—		—		3,066		—		3,066
Consumer and other	130,545		30		3,504		—		134,079
Subtotal	$	1,589,247	$	50,702	$	129,122	$	218	$	1,769,289
Total	$	11,495,023	$	205,373	$	352,633	$	569	$	12,053,598

	As of December 31, 2018
	Pass/ Not Rated		Special Mention		Substandard		Doubtful		Total
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	44,066	$	—	$	546	$	—	$	44,612
Real estate—commercial
Retail	1,815,170		18,072		30,686		—		1,863,928
Hotel & motel	1,389,349		21,932		15,869		—		1,427,150
Gas station & car wash	814,291		2,810		2,464		—		819,565
Mixed use	510,021		12,480		13,292		—		535,793
Industrial & warehouse	711,236		1,665		38,332		—		751,233
Other	1,326,795		35,539		34,618		—		1,396,952
Real estate—construction	227,231		10,904		—		—		238,135
Commercial business	1,944,783		18,220		54,688		—		2,017,691
Trade finance	191,508		—		2,558		—		194,066
Consumer and other	910,292		—		441		—		910,733
Subtotal	$	9,884,742	$	121,622	$	193,494	$	—	$	10,199,858
Acquired Loans:
Real estate—residential	$	5,812	$	393	$	380	$	—	$	6,585
Real estate—commercial
Retail	483,939		4,651		17,332		35		505,957
Hotel & motel	186,761		807		19,472		—		207,040
Gas station & car wash	148,702		274		6,032		—		155,008
Mixed use	77,100		3,986		8,151		—		89,237
Industrial & warehouse	171,574		9,451		18,071		223		199,319
Other	402,247		12,902		28,996		—		444,145
Real estate—construction	29,058		7,883		—		—		36,941
Commercial business	89,611		1,083		19,237		8		109,939
Trade finance	—		—		3,124		—		3,124
Consumer and other	136,944		37		3,626		146		140,753
Subtotal	$	1,731,748	$	41,467	$	124,421	$	412	$	1,898,048
Total	$	11,616,490	$	163,089	$	317,915	$	412	$	12,097,906

The Company may reclassify loans held for investment to loans held for sale in the event that the Company plans to sell loans that were originated with the intent to hold to maturity. Loans transferred from held for investment to held for sale are carried at the lower of cost or fair value. The breakdown of loans by type that were reclassified from held for investment to held for sale for the three months ended March 31, 2019 and 2018 is presented in the following table:

	Three Months Ended March 31,
	2019		2018
Transfer of loans held for investment to held for sale	(Dollars in thousands)
Consumer	$	33,390	$	6,155

The adequacy of the allowance for loan losses is determined by management based upon an evaluation and review of the credit quality of the loan portfolio, consideration of historical loan loss experience, relevant internal and external factors that affect the collection of loans, and other pertinent factors.

Migration analysis is a formula methodology derived from the Bank’s actual historical net charge off experience for each loan class (type) or pool and risk grade. The migration analysis is centered on the Bank’s internal credit risk rating system. Management’s internal loan review and externally contracted credit review examinations are used to determine and validate loan risk grades. This credit review system takes into consideration factors such as: borrower’s background and experience; historical and current financial conditions; credit history and payment performance; economic conditions and their impact on various industries; type, fair value and volatility of the fair value of collateral; lien positions; and the financial strength of any guarantors.

A general loan loss allowance is provided on loans that are not specifically identified as impaired (“non-impaired loans”). The Bank’s general loan loss allowance has two components: quantitative and qualitative risk factors. The quantitative risk factors are based on the migration analysis methodology described above. Loans are classified by class and risk grade, and the historical loss migration is tracked for the various classes. Loss experience is quantified for a specified period and then weighted to place more significance on the most recent losses. That loss experience is then applied to the stratified portfolio at the end of each quarter. The Company utilizes nineteen non-homogeneous loan pools in the quantitative analysis process. The non-impaired commercial real estate loan portfolio is stratified into fourteen different loan pools based on property types and the non-impaired commercial and industrial and consumer loans are stratified into five different loan pools based on loan type in order to allocate historic loss experience on a more granular basis.

Additionally, in order to systematically quantify the credit risk impact of other trends and changes within the loan portfolio, the Bank utilizes qualitative adjustments to the migration analysis within established parameters. The parameters for making adjustments are established under a Credit Risk Matrix that provides seven possible scenarios for each of the factors below. The matrix allows for up to three positive (Major, Moderate, and Minor), three negative (Major, Moderate, and Minor), and one neutral credit risk scenarios within each factor for each loan type or pool. However, if information exists to warrant adjustment to the migration analysis, changes are made in accordance with the established parameters supported by narrative and/or statistical analysis. The Credit Risk Matrix and the nine possible scenarios enable the Bank to qualitatively adjust the Loss Migration Ratio by as much as 50 basis points in either direction (positive or negative) for each loan type pool. This matrix considers the following nine factors, which are patterned after the guidelines provided under the FFIEC Interagency Policy Statement on the Allowance for Loan and Lease Losses:

• Changes in lending policies and procedures, including underwriting standards and collection, charge off, and recovery practices;

• Changes in national and local economic and business conditions and developments, including the condition of various market segments;

• Changes in the nature and volume of the loan portfolio;

• Changes in the experience, ability, and depth of lending management and staff;

• Changes in the trends of the volume and severity of past due loans, classified loans, nonaccrual loans, troubled debt restructurings, and other loan modifications;

• Changes in the quality of the loan review system and the degree of oversight by the Directors;

• Changes in the value of underlying collateral for collateral-dependent loans;

• The existence and effect of any concentrations of credit and changes in the level of such concentrations; and

• The effect of external factors, such as competition, legal requirements, and regulatory requirements on the level of estimated losses in the loan portfolio.

The Company also establishes specific loss allowances for loans that have identified potential credit risk conditions or circumstances related to a specific individual credit. The specific allowance amounts are determined in accordance with ASC 310-10-35-22, “Measurement of Impairment.” The loans identified as impaired will be accounted for in accordance with one of the three acceptable valuation methods: 1) the present value of future cash flows discounted at the loan’s effective interest rate; 2) the loan’s observable market price; or 3) the fair value of the collateral, if the loan is collateral dependent. For the collateral dependent impaired loans, management obtains a new appraisal to determine the amount of impairment as of the date that the loan became impaired. The appraisals are based on an “as is” valuation. To ensure that appraised values remain current, management either obtains updated appraisals every twelve months from a qualified independent appraiser or an internal evaluation of the collateral is performed by qualified personnel. If the third party market data indicates that the value of the collateral property has declined since the most recent valuation date, management adjusts the value of the property downward to reflect current market conditions. If the fair value of the collateral is less than the recorded amount of the loan, management recognizes impairment by creating or adjusting an existing valuation allowance with a corresponding charge to the provision for loan losses. If an impaired loan is expected to be collected through liquidation or operation of the underlying collateral, the loan is deemed to be collateral dependent and the amount of impairment is charged off against the allowance for loan losses.

The Company considers a loan to be impaired when it is probable that not all amounts due (principal and interest) will be collectible in accordance with the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. The significance of payment delays and payment shortfalls is determined on a case-by-case basis by taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

For commercial business loans, real estate loans, and certain consumer loans, management bases the measurement of loan impairment on the present value of the expected future cash flows, discounted at the loan’s effective interest rate, or on the fair value of the loan’s collateral if the loan is collateral dependent. The scope for evaluation of individual impairment includes all impaired loans greater than $500 thousand. The Company evaluates most loans of $500 thousand or less for impairment on a collective basis because these loans generally have smaller balances and are homogeneous in the underwriting of terms and conditions. If a loan is deemed to be impaired, the amount of the impairment is supported by a specific allowance which is included in the allowance for loan losses through a charge to the provision for loan losses.

For PCI loans, the allowance for loan losses is based upon expected cash flows for these loans. To the extent that a deterioration in borrower’s credit quality results in a decrease in expected cash flows subsequent to the acquisition of the loans, an allowance for loan losses would be established based on an estimate of future credit losses over the remaining life of the loans. Provision for loan losses for total acquired loans for the three months ended March 31, 2019 was $120 thousand which included $969 thousand in provision for loan losses related to PCI loans. Credit for loan losses on acquired loans for the three months ended March 31, 2018 was $2.2 million which included $225 thousand in credit for loan losses related to PCI loans. For the three months ended March 31, 2019, allowance for loan losses for PCI loans included an impairment adjustment of $878 thousand that resulted from a loan pool being paid off.

The following table presents breakdown of loans by impairment method at March 31, 2019 and December 31, 2018:

	As of March 31, 2019
	Real Estate - Residential			Real Estate - Commercial			Real Estate - Construction			Commercial Business			Trade Finance			Consumer and Other			Total
	(Dollars in thousands)
Impaired loans (recorded investment)	$	—		$	83,202		$	—		$	38,804		$	8,409		$	1,735		$	132,150
Specific allowance	$	—		$	456		$	—		$	6,332		$	—		$	9		$	6,797
Specific allowance to impaired loans	N/A			0.55		%	N/A			16.32		%	N/A			0.52		%	5.14		%
Other loans	$	49,633		$	8,313,162		$	269,837		$	2,119,620		$	163,864		$	1,005,332		$	11,921,448
General allowance	$	145		$	51,035		$	1,501		$	26,044		$	698		$	7,997		$	87,420
General allowance to other loans	0.29		%	0.61		%	0.56		%	1.23		%	0.43		%	0.80		%	0.73		%
Total loans	$	49,633		$	8,396,364		$	269,837		$	2,158,424		$	172,273		$	1,007,067		$	12,053,598
Total allowance for loan losses	$	145		$	51,491		$	1,501		$	32,376		$	698		$	8,006		$	94,217
Total allowance to total loans	0.29		%	0.61		%	0.56		%	1.50		%	0.41		%	0.79		%	0.78		%

	As of December 31, 2018
	Real Estate - Residential			Real Estate - Commercial			Real Estate - Construction			Commercial Business			Trade Finance			Consumer and Other			Total
	(Dollars in thousands)
Impaired loans (recorded investment)	$	—		$	58,056		$	—		$	35,358		$	9,011		$	1,582		$	104,007
Specific allowance	$	—		$	437		$	—		$	4,351		$	—		$	3		$	4,791
Specific allowance to impaired loans	N/A			0.75		%	N/A			12.31		%	N/A			0.19		%	4.61		%
Other loans	$	51,197		$	8,337,271		$	275,076		$	2,092,272		$	188,179		$	1,049,904		$	11,993,899
General allowance	$	112		$	55,453		$	765		$	23,414		$	719		$	7,303		$	87,766
General allowance to other loans	0.22		%	0.67		%	0.28		%	1.12		%	0.38		%	0.70		%	0.73		%
Total loans	$	51,197		$	8,395,327		$	275,076		$	2,127,630		$	197,190		$	1,051,486		$	12,097,906
Total allowance for loan losses	$	112		$	55,890		$	765		$	27,765		$	719		$	7,306		$	92,557
Total allowance to total loans	0.22		%	0.67		%	0.28		%	1.30		%	0.36		%	0.69		%	0.77		%

Under certain circumstances, the Company provides borrowers relief through loan modifications. These modifications are either temporary in nature (“temporary modifications”) or are more substantive. The temporary modifications generally consist of interest only payments for a three to six month period, whereby principal payments are deferred. At the end of the modification period, the remaining principal balance is re-amortized based on the original maturity date. Loans subject to temporary modifications are generally downgraded to Special Mention or Substandard. At the end of the modification period, the loan either 1) returns to the original contractual terms; 2) is further modified and accounted for as a troubled debt restructuring in accordance with ASC 310-10-35; or 3) is disposed of through foreclosure or liquidation.

TDR loans are defined by ASC 310-40, “Troubled Debt Restructurings by Creditors” and evaluated for impairment in accordance with ASC 310-10-35. The concessions may be granted in various forms, including reduction in the stated interest rate, reduction in the amount of principal amortization, forgiveness of a portion of a loan balance or accrued interest, or extension of the maturity date. In order to determine whether a borrower is experiencing financial difficulty, an evaluation is performed on the probability that the borrower will be in payment default on their debt in the foreseeable future without the modification. This evaluation is performed under the Bank’s internal underwriting policy. At March 31, 2019, total TDR loans were $67.3 million, compared to $64.0 million at December 31, 2018.

A summary of the recorded investment of TDR loans on accrual and nonaccrual status by type of concession as of March 31, 2019 and December 31, 2018 is presented below:

	As of March 31, 2019
	TDR Loans on Accrual Status								TDR Loans on Nonaccrual Status								Total TDRs
	Real Estate		Commercial Business		Other		Total		Real Estate		Commercial Business		Other		Total
	(Dollars in thousands)
Payment concession	$	5,088	$	930	$	33	$	6,051	$	2,583	$	508	$	—	$	3,091	$	9,142
Maturity / amortization concession	14,932		10,911		5,924		31,767		2,688		14,976		958		18,622		50,389
Rate concession	4,843		2,442		101		7,386		395		—		—		395		7,781
Total	$	24,863	$	14,283	$	6,058	$	45,204	$	5,666	$	15,484	$	958	$	22,108	$	67,312

	As of December 31, 2018
	TDR Loans on Accrual Status								TDR Loans on Nonaccrual Status								Total TDRs
	Real Estate		Commercial Business		Other		Total		Real Estate		Commercial Business		Other		Total
	(Dollars in thousands)
Payment concession	$	5,142	$	961	$	—	$	6,103	$	2,216	$	746	$	—	$	2,962	$	9,065
Maturity / amortization concession	14,012		17,257		7,391		38,660		—		10,166		73		10,239		48,899
Rate concession	4,872		672		103		5,647		401		—		—		401		6,048
Total	$	24,026	$	18,890	$	7,494	$	50,410	$	2,617	$	10,912	$	73	$	13,602	$	64,012

TDR loans on accrual status are comprised of loans that were accruing at the time of restructuring and for which the Company anticipates full repayment of both principal and interest under the restructured terms. TDR loans that are on nonaccrual status can be returned to accrual status after a period of sustained performance, generally determined to be six months of timely payments as modified.  Sustained performance includes the periods prior to the modification if the prior performance met or exceeded the modified terms. TDR loans on accrual status at March 31, 2019 were comprised of 17 commercial real estate loans totaling $24.9 million, 26 commercial business loans totaling $14.3 million, and 11 consumer and other loans totaling $6.1 million. TDR loans on accrual status at December 31, 2018 were comprised of 20 commercial real estate loans totaling $24.0 million, 37 commercial business loans totaling $18.9 million and 6 consumer and other loans totaling $7.5 million. The Company expects that TDR loans on accrual status as of March 31, 2019, which were all performing in accordance with their restructured terms, to continue to comply with the restructured terms because of the reduced principal or interest payments on these loans. TDR loans that were restructured at market interest rates and had sustained performance as agreed under the modified loan terms may be reclassified as non-TDR after each year end but are reserved for under ASC 310-10.

The Company has allocated $4.9 million and $3.0 million of specific reserves to TDR loans as of March 31, 2019 and December 31, 2018, respectively. 

The following tables present the recorded investment of loans classified as TDR during the three months ended March 31, 2019 and 2018 by class of loans:

	Three Months Ended March 31, 2019					Three Months Ended March 31, 2018
	Number of Loans	Pre- Modification		Post- Modification		Number of Loans	Pre- Modification		Post- Modification
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	—	$	—	$	—	—	$	—	$	—
Real estate—commercial
Retail	—	—		—		1	15		15
Hotel & motel	1	152		152		—	—		—
Gas station & car wash	—	—		—		—	—		—
Mixed use	—	—		—		—	—		—
Industrial & warehouse	—	—		—		1	2,113		2,113
Other	1	140		140		1	1,240		1,240
Real estate—construction	—	—		—		—	—		—
Commercial business	6	5,357		5,357		3	3,659		3,659
Trade finance	—	—		—		—	—		—
Consumer and other	6	33		33		—	—		—
Subtotal	14	$	5,682	$	5,682	6	$	7,027	$	7,027
Acquired Loans:
Real estate—residential	—	$	—	$	—	—	$	—	$	—
Real estate—commercial
Retail	1	101		101		1	213		213
Hotel & motel	—	—		—		—	—		—
Gas station & car wash	—	—		—		—	—		—
Mixed use	—	—		—		1	2,725		2,725
Industrial & warehouse	—	—		—		—	—		—
Other	—	—		—		1	1,055		1,055
Real estate—construction	—	—		—		—	—		—
Commercial business	1	50		50		2	133		133
Trade finance	—	—		—		—	—		—
Consumer and other	—	—		—		—	—		—
Subtotal	2	$	151	$	151	5	$	4,126	$	4,126
Total	16	$	5,833	$	5,833	11	$	11,153	$	11,153

For TDRs modified during the three months ended March 31, 2019, the Company recorded $1.6 million in specific reserves. There were no charge offs of TDR loans modified during the three months ended March 31, 2019. For TDR loans modified during the three months ended March 31, 2018, the Company recorded $78 thousand in specific reserves. There were no charge offs of TDR loans modified during the three months ended March 31, 2018.

The following table presents loans modified as TDRs within the previous twelve months ended March 31, 2019 and March 31, 2018 that subsequently had payment defaults during the three months ended March 31, 2019 and March 31, 2018:

	Three Months Ended March 31, 2019			Three Months Ended March 31, 2018
	Number of Loans	Balance		Number of Loans	Balance
	(Dollars in thousands)
Legacy Loans:
Real estate—commercial
Retail	1	$	48	1	$	625
Hotel & motel	—	—		—	—
Gas station & car wash	—	—		—	—
Mixed Use	—	—		—	—
Industrial & warehouse	—	—		—	—
Other	—	—		—	—
Real estate—construction	—	—		—	—
Commercial business	2	4,030		—	—
Trade finance	1	898		—	—
Consumer and other	1	5		—	—
Subtotal	5	$	4,981	1	$	625
Acquired Loans:
Real estate—commercial
Retail	—	$	—	—	$	—
Hotel & motel	1	73		—	—
Gas station & car wash	—	—		—	—
Mixed Use	—	—		—	—
Industrial & warehouse	1	236		—	—
Other	—	—		1	3,042
Real estate—construction	—	—		—	—
Commercial business	4	383		—	—
Trade finance	—	—		—	—
Consumer and other	—	—		—	—
Subtotal	6	$	692	1	$	3,042
Total	11	$	5,673	2	$	3,667

A loan is considered to be in payment default once it is 30 days contractually past due under the modified terms. The Company recorded $134 thousand in specific reserves for TDR loans that had payment defaults during the three months ended March 31, 2019. There were no charge offs for TDR loans that had payment defaults during the three months ended March 31, 2019.

There were five Legacy TDR loans and six Acquired TDR loans that subsequently defaulted during the three months ended March 31, 2019. Legacy TDR loans were modified as follows: one commercial real estate loans totaling $48 thousand was modified through a payment extension, two commercial business loans totaling $4.0 million were modified through maturity extensions, one trade finance loan totaling $898 thousand was modified through a maturity extension, and one consumer loan was modified through a payment extension. Acquired TDR loans that defaulted were modified as follows: two commercial real estate loans totaling $309 thousand were modified through payment extensions, three commercial business loans totaling $250 thousand were modified through payment extensions and one commercial business loan totaling $133 thousand was modified through a maturity extension.

As of March 31, 2018, there were no specific reserves for the TDR loans that had payment defaults during the three months ended March 31, 2018. There were no charge offs for TDR loans that had payment defaults during the three months ended March 31, 2018.

There was one Legacy commercial real estate loan totaling $625 thousand that subsequently defaulted during the three months ended March 31, 2018 that was modified through a maturity concession. There was one Acquired commercial real estate loan totaling $3.0 million that subsequently defaulted during the three months ended March 31, 2018 that was modified through a payment concession.

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Leases

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Leases

Leases

On January 1, 2019, the Company adopted ASU 2016-02, “Leases (Topic 842)”, using the modified retrospective approach under ASC 842 (See footnote 2 “Basis of Presentation” for additional information regarding adoption of ASU 2016-02). The Company’s operating leases are real estate leases which are comprised of bank branches, loan production offices, and office spaces with remaining lease terms ranging from 1 to 12 years as of March 31, 2019.  Certain lease arrangements contain extension options which are typically around 5 years. As these extension options are not generally considered reasonably certain of exercise, they are not included in the lease term. 

At March 31, 2019, operating lease right-of-use (“ROU”) assets and related liabilities were $62.4 million and $62.8 million, respectively. At March 31, 2019, the short term operating lease liability totaled $12.4 million and the long term operating lease liability totaled $50.4 million. The Company defines short term operating lease liabilities as liabilities due in twelve months or less and long term lease liabilities are defined as liabilities that are due in more than twelve months at the end of each reporting period. The Company did not have any finance leases at March 31, 2019. During the three months ended March 31, 2019, the Company extended four leases ranging from one to five years and reassessed the ROU asset and lease liability related to these leases.

Operating lease ROU assets represent the Company’s right to use the underlying asset during the lease term and operating lease liabilities represent the Company’s obligation to make lease payments arising from the lease. ROU assets and operating lease liabilities are recognized at lease commencement based on the present value of the remaining lease payments using the Company’s incremental borrowing rate at the lease commencement date. Operating lease expense, which is comprised of amortization of the ROU asset and the implicit interest accreted on the operating lease liability, is recognized on a straight-line basis over the lease term, and is recorded in occupancy expense in the Consolidated Statements of Income. The Company’s occupancy expense also includes variable lease costs which is comprised of the Company's share of actual costs for utilities, common area maintenance, property taxes, and insurance that are not included in lease liabilities and are expensed as incurred. Variable lease costs can also include rent escalations based on changes to indices, such as the Consumer Price Index, where the Company estimates future rent increases and records the actual difference to variable costs.

The Company uses its incremental borrowing rate to present value lease payments in order to recognize an ROU asset and the related lease liability. The Company calculates its incremental borrowing rate by adding a spread to the FHLB borrowing interest rate at the given period.

The table below summarizes the Company’s net lease cost:

	Three months ended March 31, 2019
	(Dollars in thousands)
Operating lease cost	$	4,123
Short term lease cost	9
Variable lease cost	703
Sublease income	(157		)
Net lease cost	$	4,678

Rent expense for the three months ended March 31, 2019 and March 31, 2018 was $4.7 million and $4.4 million, respectively.

The table below summarizes other information related to the Company’s operating leases:

	Three months ended March 31, 2019
	(Dollars in thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	3,663
Right-of-use assets obtained in exchange for lease liabilities, net	62,360
Weighted-average remaining lease term - operating leases	6.2 years
Weighted-average discount rate - operating leases	3.20	%

The table below summarizes the maturity of remaining lease liabilities:

	March 31, 2019
	(Dollars in thousands)
2019	$	10,788
2020	12,996
2021	12,135
2022	8,178
2023	6,160
2024 and thereafter	19,691
Total lease payments	69,948
Less: imputed interest	7,115
Total lease obligations	$	62,833

As of March 31, 2019, the Company did not have any additional operating lease commitments that have not yet commenced.

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Deposits

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Deposits

Deposits

The aggregate amount of time deposits in denominations of more than $250 thousand at March 31, 2019 and December 31, 2018, was $1.84 billion and $1.77 billion, respectively. Included in time deposits of more than $250 thousand were $300.0 million in California State Treasurer’s deposits at March 31, 2019 and December 31, 2018. The California State Treasurer’s deposits are subject to withdrawal based on the State’s periodic evaluations. The Company is required to pledge eligible collateral of at least 110% of outstanding deposits. At March 31, 2019 and December 31, 2018, securities with carrying values of approximately $341.2 million and $336.8 million, respectively, were pledged as collateral for the California State Treasurer’s deposit.

The Company also utilizes brokered deposits as a secondary source of funds. Total brokered deposits at March 31, 2019 and December 31, 2018, totaled $1.57 billion and $1.57 billion, respectively. Brokered deposits at March 31, 2019 consisted of $306.9 million in money market and NOW accounts and $1.27 billion in time deposits accounts. Brokered deposits at December 31, 2018 consisted of $370.4 million in money market and NOW accounts and $1.20 billion in time deposit accounts.

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Borrowings

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Borrowings

Borrowings

The Company maintains a line of credit with the Federal Home Loan Bank (“FHLB”) of San Francisco as a secondary source of funds. The borrowing capacity with the FHLB is limited to the lower of 25% of the Bank’s total assets or the Bank’s collateral capacity, which was $3.83 billion at March 31, 2019, and $3.81 billion at December 31, 2018. The terms of this credit facility require the Company to pledge eligible collateral with the FHLB equal to at least 100% of outstanding advances. The Company also has an unsecured credit facility with the FHLB totaling $95.0 million million at March 31, 2019.

At March 31, 2019 and December 31, 2018, real estate secured loans with a carrying amount of approximately $6.16 billion and $6.01 billion, respectively, were pledged at the FHLB for outstanding advances and remaining borrowing capacity. At March 31, 2019 and December 31, 2018, other than FHLB stock, no securities were pledged as collateral at FHLB. The purchase of FHLB stock is a prerequisite to become a member of the FHLB system, and the Company is required to own a certain amount of FHLB stock based on outstanding borrowings.

At March 31, 2019 and December 31, 2018, FHLB advances totaling $720.0 million and $821.3 million, respectively, had weighted average effective interest rates of 1.88% and 1.78%, respectively. FHLB advances at March 31, 2019 and December 31, 2018 had various maturities through December 2022. The effective interest rate of FHLB advances as of March 31, 2019 ranged between 1.08% and 2.57%. At March 31, 2019, the Company’s remaining borrowing capacity with the FHLB was $3.09 billion.

Although the Company maintains borrowing lines with other banks, there were no federal funds purchased from other banks at March 31, 2019 and December 31, 2018.

At March 31, 2019, the contractual maturities for FHLB advances were as follows:

	March 31, 2019
Scheduled maturities in:	(Dollars in thousands)
2019	$	245,000
2020	185,000
2021	145,000
2022	145,000
Total	$	720,000

As a member of the Federal Reserve Bank (“FRB”) system, the Bank may also borrow from the FRB of San Francisco. The maximum amount that the Bank may borrow from the FRB’s discount window is up to 95% of the fair market value of the qualifying loans and securities that are pledged. At March 31, 2019, the outstanding principal balance of the qualifying loans pledged at the FRB was $1.04 billion and there were no investment securities pledged. At March 31, 2019 and December 31, 2018, the total available borrowing capacity at the FRB discount window was $844.1 million and $786.6 million, respectively. There were no borrowings outstanding at the FRB discount window as of March 31, 2019 and December 31, 2018.

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Subordinated Debentures and Convertible Notes

3 Months Ended

Mar. 31, 2019

Subordinated Borrowings [Abstract]

Subordinated Debentures and Convertible Notes

Subordinated Debentures and Convertible Notes

Subordinated Debt

At March 31, 2019, the Company had nine wholly owned subsidiary grantor trusts that had issued $126.0 million of pooled trust preferred securities. Trust preferred securities accrue and pay distributions periodically at specified annual rates as provided in the indentures. The trusts used the net proceeds from the offering to purchase a like amount of subordinated debentures (the “Debentures”). The Debentures are the sole assets of the trusts. The Company’s obligations under the subordinated debentures and related documents, taken together, constitute a full and unconditional guarantee by the Company of the obligations of the trusts. The trust preferred securities are mandatorily redeemable upon the maturity of the Debentures, or upon earlier redemption as provided in the indentures. The Company has the right to redeem the Debentures in whole (but not in part) on a quarterly basis at a redemption price specified in the indentures plus any accrued but unpaid interest to the redemption date. The Company also has a right to defer consecutive payments of interest on the debentures for up to five years.

The following table is a summary of trust preferred securities and Debentures at March 31, 2019:

Issuance Trust	Issuance Date	Trust Preferred Security Amount		Carrying Value of Debentures		Rate Type	Current Rate	Maturity Date
		(Dollars in thousands)
Nara Capital Trust III	06/05/2003	$	5,000	$	5,155	Variable	5.76%	06/15/2033
Nara Statutory Trust IV	12/22/2003	5,000		5,155		Variable	5.64%	01/07/2034
Nara Statutory Trust V	12/17/2003	10,000		10,310		Variable	5.56%	12/17/2033
Nara Statutory Trust VI	03/22/2007	8,000		8,248		Variable	4.26%	06/15/2037
Center Capital Trust I	12/30/2003	18,000		14,076		Variable	5.64%	01/07/2034
Wilshire Trust II	03/17/2005	20,000		15,580		Variable	4.40%	03/17/2035
Wilshire Trust III	09/15/2005	15,000		10,994		Variable	4.01%	09/15/2035
Wilshire Trust IV	07/10/2007	25,000		17,828		Variable	3.99%	09/15/2037
Saehan Capital Trust I	03/30/2007	20,000		14,855		Variable	4.21%	06/30/2037
Total		$	126,000	$	102,201

The Company’s investment in the common trust securities of the issuer trusts was $3.9 million at March 31, 2019 and is included in other assets. Although the subordinated debt issued by the trusts are not included as a component of stockholders’ equity in the Consolidated Statements of Financial Condition, the debt is treated as capital for regulatory purposes. The trust preferred security debt issuances are includable in Tier 1 capital up to a maximum of 25% of capital on an aggregate basis. Any amount that exceeds 25% qualifies as Tier 2 capital.

Convertible Notes

On May 11, 2018, the Company issued $200 million aggregate principal amount of 2.00% convertible senior notes maturing on May 15, 2038 in a private offering to qualified institutional buyers under Rule 144A of the Securities Act of 1933. Subsequently on June 7, 2018, an additional $17.5 million in convertible notes were issued as part of the initial offering over-allotment option. In total, the Company issued $217.5 million in convertible notes during the second quarter of 2018. The convertible notes can be converted into shares of the Company’s common stock at an initial rate of 45.0760 shares per $1,000 principal amount of the notes (equivalent to an initial conversion price of approximately $22.18 per share of common stock which represents a premium of 22.5% to the closing stock price on the date of the pricing of the notes). Holders of the convertible notes have the option to convert all or a portion of the notes at any time on or after February 15, 2023. Prior to February 15, 2023, the convertible notes cannot be converted unless under certain specified scenarios. The convertible notes can be called by the Company, in part or in whole, on or after May 20, 2023 for 100% of the principal amount in cash. Holders of the convertible notes also have the option to put the notes back to the Company on May 15, 2023, May 15, 2028, or May 15, 2033 for 100% of the principal amount in cash. The convertible notes can be settled in cash, stock, or a combination of stock and cash at the option of the Company.

The convertible notes were issued as part of the Company’s plan to repurchase its common stock. On April 26, 2018, the Company’s Board of Directors approved a share repurchase program that authorized the Company to use up to $100.0 million of the proceeds from the convertible notes offering to repurchase its common stock. The net proceeds from the offering, after deducting the initial purchaser’s discount, was approximately $213.2 million. Of the total net proceeds, $113.2 million was down-streamed to the Bank as equity and the remaining $100.0 million was allocated for share repurchases. The Company used approximately $76.0 million of the allocated $100.0 million to repurchase shares of its common stock from purchasers of the convertible notes in privately negotiated transactions at a purchase price per share equal to the $18.11 per share closing price of the Company’s common stock on May 11, 2018. Subsequently, the Company repurchased additional shares of common stock on the open market. On September 20, 2018, the Company’s Board of Directors approved another share repurchase program that authorized the Company to repurchase up to $50.0 million in common stock. As of December 31, 2018, the Company completed all of the authorized share repurchases totaling $150.0 million, or 9.0 million shares at an average weighted price of $16.65.

In accordance with accounting principles, the convertible notes issued by the Company were separated into a debt component and an equity component which represents the stock conversion option. The present value of the convertible notes was calculated based on a discount rate of 4.25%, which represented the current offering rate for similar types of debt without conversion options. The effective life of the convertible notes was estimated to be five years based on the first call and put date. The difference between the principal amount of the notes and the present value was recorded as the convertible note discount and additional paid-in capital. The issuance costs related to the offering were also allocated into a debt component to be capitalized, and an equity component in the same percentage allocation of debt and equity of the convertible note. The value of the convertible note at issuance and carrying value as of March 31, 2019 and December 31, 2018 is presented in the tables below:

					As of March 31, 2019
	Amortization/ Capitalization Period	Gross Carrying Amount			Accumulated Amortization / Capitalization		Carrying Amount
		(Dollars in thousands)
Convertible notes principal balance		$	217,500		$	—	$	217,500
Discount	5 years	(21,880		)	3,557		(18,323		)
Issuance costs to be capitalized	5 years	(4,119		)	696		(3,423		)
Carrying balance of convertible notes		$	191,501		$	4,253	$	195,754

					As of December 31, 2018
	Amortization/ Capitalization Period	Gross Carrying Amount			Accumulated Amortization / Capitalization		Carrying Amount
		(Dollars in thousands)
Convertible notes principal balance		$	217,500		$	—	$	217,500
Discount	5 years	(21,880		)	2,544		(19,336		)
Issuance costs to be capitalized	5 years	(4,119		)	498		(3,621		)
Carrying balance of convertible notes		$	191,501		$	3,042	$	194,543

Interest expense on the convertible notes for the three months ended March 31, 2019 totaled $2.3 million. Interest expense for the Company’s convertible notes includes accrued interest on the convertible note coupon, non-cash interest expense representing the conversion option or note discount, and interest expense from capitalized issuance costs. Non-cash interest expense and issuance cost capitalization expense will only be recorded for the first five outstanding years of the convertible notes. Subsequent to May 15, 2023, interest expense on the convertible notes will consist of only accrued interest on the coupon.

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Derivative Financial Instruments

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Derivative Financial Instruments

The Company offers a loan hedging program to certain loan customers. Through this program, the Company originates a variable rate loan with the customer. The Company and the customer will then enter into a fixed interest rate swap. Lastly, an identical offsetting swap is entered into by the Company with a correspondent bank. These “back-to-back” swap arrangements are intended to offset each other and allow the Company to book a variable rate loan, while providing the customer with a contract for fixed interest payments. In these arrangements, the Company’s net cash flow is equal to the interest income received from the variable rate loan originated with the customer. These customer swaps are not designated as hedging instruments and are recorded at fair value in other assets and other liabilities. The changes in fair value is recognized in the income statement in other income and fees.

At March 31, 2019 and December 31, 2018, interest rate swaps related to the Company’s loan hedging program that were outstanding is presented in the following table:

	March 31, 2019			December 31, 2018
	(Dollars in thousands)
Interest rate swaps on loans with correspondent banks (included in other assets)
Notional amount	$	124,318		$	36,972
Weighted average remaining term (years)	7.2			6.4
Received fixed rate (weighted average)	4.78		%	5.12		%
Pay variable rate (weighted average)	4.78		%	4.56		%
Estimated fair value	$	2,173		$	868
Interest rate swaps on loans with correspondent banks (included in other liabilities)
Notional amount	$	152,212		$	237,916
Weighted average remaining term (years)	6.0			6.8
Received variable rate (weighted average)	4.22		%	4.36		%
Pay fixed rate (weighted average)	4.96		%	4.69		%
Estimated fair value	$	2,967		$	6,191
Back to back interest rate swaps with loan customers (included in other liabilities)
Notional amount	$	124,318		$	36,972
Weighted average remaining term (years)	7.2			6.4
Received fixed rate (weighted average)	4.78		%	4.56		%
Pay variable rate (weighted average)	4.78		%	5.12		%
Estimated fair value	$	2,173		$	868
Back to back interest rate swaps with loan customers (included in other assets)
Notional amount	$	152,212		$	237,916
Weighted average remaining term (years)	6.0			6.8
Received variable rate (weighted average)	4.96		%	4.69		%
Pay fixed rate (weighted average)	4.22		%	4.36		%
Estimated fair value	$	2,967		$	6,191

The Company enters into various stand-alone mortgage-banking derivatives in order to hedge the risk associated with the fluctuation of interest rates. Changes in fair value are recorded as mortgage banking revenue. Residential mortgage loans funded with interest rate lock commitments and forward commitments for the future delivery of mortgage loans to third party investors are considered derivatives. At March 31, 2019, the Company had approximately $12.4 million in interest rate lock commitments and total forward sales commitments for the future delivery of residential mortgage loans. At December 31, 2018, the Company had approximately $874 thousand in interest rate lock commitments and total forward sales commitments for the future delivery of residential mortgage loans.

The following table reflects the notional amount and fair value of mortgage banking derivatives for the dates indicated:

	As of March 31, 2019				As of December 31, 2018
	Notional Amount		Fair Value		Notional Amount		Fair Value
	(Dollars in thousands)
Assets:
Interest rate lock commitments	$	9,415	$	76	$	874	$	10
Forward sale contracts related to mortgage banking	$	4,390	$	9	$	—	$	—
Liabilities:
Interest rate lock commitments	$	3,020	$	2	$	—	$	—
Forward sale contracts related to mortgage banking	$	8,045	$	35	$	874	$	3

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Commitments and contingencies

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

In the normal course of business, the Company is a party to financial instruments with off-balance sheet risk that are used to meet the financing needs of customers. These financial instruments include commitments to extend credit, standby letters of credit, commercial letters of credit, commitments to fund investments in affordable housing partnerships, and mortgage derivatives. These instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Statements of Financial Condition. The Company’s exposure to credit loss in the event of nonperformance on commitments to extend credit and standby letters of credit is represented by the contractual notional amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as the Company does for extending loan facilities to customers. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary upon extension of credit, is based on the Company’s credit evaluation of the counterparty. The types of collateral that the Company may hold can vary and may include accounts receivable, inventory, property, plant and equipment, and income-producing properties.

Commitments at March 31, 2019 and December 31, 2018 are summarized as follows:

	March 31, 2019		December 31, 2018
	(Dollars in thousands)
Commitments to extend credit	$	1,812,992	$	1,712,032
Standby letters of credit	72,049		69,763
Other letters of credit	64,553		65,822
Commitments to fund investments in affordable housing partnerships	40,709		46,507
Interest rate lock	12,435		874
Forward sale commitments	12,435		874

In the normal course of business, the Company is involved in various legal claims. The Company has reviewed all legal claims against the Company with counsel and has taken into consideration the views of such counsel as to the potential outcome of the claims. Loss contingencies for all legal claims totaled $100 thousand at March 31, 2019 and $755 thousand at December 31, 2018. It is reasonably possible the Company may incur losses in addition to the amounts currently accrued. However, at this time, the Company is unable to estimate the range of additional losses that are reasonably possible because of a number of factors, including the fact that certain of these litigation matters are still in their early stages and involve claims that the Company believes has little to no merit. The Company has considered these and other possible loss contingencies and does not expect the amounts to be material to the consolidated financial statements.

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Goodwill, Intangible Assets, and Servicing Assets

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill, Intangible Assets, and Servicing Assets

Goodwill, Intangible Assets, and Servicing Assets

Goodwill represents the excess of the purchase price over the sum of the estimated fair values of the tangible and identifiable intangible assets acquired less the estimated fair value of the liabilities assumed. Goodwill has an indefinite useful life and is evaluated for impairment annually or more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss is recognized to the extent that the carrying amount exceeds the asset’s fair value. At December 31, 2018, the Company assessed the qualitative factors related to intangible assets and goodwill and for the year to determine whether it was more-likely-than-not that the fair value was less than its carrying amount. Based on the analysis of these factors, management determined that it was more-likely-than-not that intangible assets were not impaired and that the fair value of goodwill exceeded the carrying value and that the two-step goodwill impairment test was not needed. Goodwill is not amortized for book purposes and is not tax deductible.

The carrying amount of the Company’s goodwill as of March 31, 2019 and December 31, 2018 was $464.5 million. There was no impairment of goodwill during the three months ended March 31, 2019.

Core deposit intangible assets are amortized over their estimated lives, which range from seven to ten years. Amortization expense related to core deposit intangible assets totaled $557 thousand and $616 thousand for the three months ended March 31, 2019 and 2018, respectively. The following table provides information regarding the core deposit intangibles at March 31, 2019 and December 31, 2018:

				As of March 31, 2019					As of December 31, 2018
Core Deposit Intangibles Related To:	Amortization Period	Gross Amount		Accumulated Amortization			Carrying Amount		Accumulated Amortization			Carrying Amount
		(Dollars in thousands)
Center Financial acquisition	7 years	$	4,100	$	(4,100	)	$	—	$	(4,100	)	$	—
Pacific International Bank acquisition	7 years	604		(585		)	19		(579		)	25
Foster Bankshares acquisition	10 years	2,763		(1,950		)	813		(1,893		)	870
Wilshire Bancorp acquisition	10 years	18,138		(5,466		)	12,672		(4,972		)	13,166
Total		$	25,605	$	(12,101	)	$	13,504	$	(11,544	)	$	14,061

Servicing assets are recognized when SBA and residential mortgage loans are sold with servicing retained with the income statement effect recorded in gains on sales of loans. Servicing assets are initially recorded at fair value based on the present value of the contractually specified servicing fee, net of servicing costs, over the estimated life of the loan, using a discount rate. The Company’s servicing costs approximates the industry average servicing costs of 40 basis points. All classes of servicing assets are subsequently measured using the amortization method which requires servicing rights to be amortized into noninterest income in proportion to, and over the period of, the estimated future net servicing income of the underlying loans.

Management periodically evaluates servicing assets for impairment based upon the fair value of the rights as compared to the carrying amount. Impairment is determined by stratifying rights into groupings based on loan type. Impairment is recognized through a valuation allowance for an individual grouping, to the extent that fair value is less than the carrying amount. As of March 31, 2019 and December 31, 2018, the Company did not have a valuation allowance for servicing assets.

The changes in servicing assets for the three months ended March 31, 2019 and 2018 were as follows:

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	23,132		$	24,710
Additions through originations of servicing assets	327			1,716
Amortization	(2,052		)	(1,560		)
Balance at end of period	$	21,407		$	24,866

Loans serviced for others are not reported as assets. The principal balances of loans serviced for other institutions were $1.53 billion as of March 31, 2019 and $1.55 billion as of December 31, 2018.

The Company utilizes the discounted cash flow method to calculate the initial excess servicing assets. The inputs used in evaluating servicing assets for impairment at March 31, 2019 and December 31, 2018 are presented below.

	March 31, 2019	December 31, 2018
SBA Servicing Assets:
Weighted-average discount rate	11.48%	11.23%
Constant prepayment rate	12.28%	11.09%
Mortgage Servicing Assets:
Weighted-average discount rate	9.75%	10.25%
Constant prepayment rate	8.74%	7.13%

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Income Taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

For the three months ended March 31, 2019, the Company had an income tax provision totaling $14.4 million on pretax income of $57.2 million, representing an effective tax rate of 25.24%, compared with an income tax provision of $17.7 million on pretax income of $69.0 million, representing an effective tax rate of 25.71% for the three months ended March 31, 2018. The reduction in effective tax rate for the three months ended March 31, 2019 compared to the three months ended March 31, 2018 was primarily due to the increase in affordable housing partnership investment tax credits for the three months ended March 31, 2019 compared to the three months ended March 31, 2018.

The Company and its subsidiaries are subject to U.S. federal income tax, as well as state income taxes. The Company had total unrecognized tax benefits of $2.3 million at March 31, 2019 and $2.3 million at December 31, 2018, that relate to uncertainties associated with federal and state income tax matters. The Company recognizes interest and penalties on income tax matters in income tax expense. The Company recorded approximately $495 thousand and $470 thousand, for accrued interest (no portion was related to penalties) at March 31, 2019 and December 31, 2018, respectively.

Management believes it is reasonably possible that the unrecognized tax benefits may decrease by $2.3 million in the next twelve months due to a settlement with the state tax authorities.

The statute of limitations for the assessment of income taxes related to the consolidated federal income tax returns is closed for all tax years up to and including 2014. The expiration of the statute of limitations for the assessment of income and franchise taxes related to the various state income and franchise tax returns varies by state. The Company is currently under examination by the California Franchise Tax Board (FTB) for the 2011, 2012 and 2013 tax years. Wilshire Bancorp, Inc., an acquired entity, is currently under examination by the FTB for the 2011, 2012, and 2013 tax years. While the outcome of the examinations is unknown, the Company expects no material adjustments.

Income tax expense is the total of the current year income tax due or refundable and the change in deferred tax assets and liabilities (without regard to certain changes to deferred taxes). Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry forwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.

Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion, or all, of the deferred tax asset will not be realized. In assessing the realization of deferred tax assets, management evaluates both positive and negative evidence, including the existence of any cumulative losses in the current year and the prior two years, the amount of taxes paid in available carry-back years, the forecasts of future income, applicable tax planning strategies, and assessments of current and future economic and business conditions. This analysis is updated quarterly and adjusted as necessary. Based on the analysis, the Company has determined that a valuation allowance for deferred tax assets was not required as of March 31, 2019.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. There are three levels of inputs that may be used to measure fair value. The fair value inputs of the instruments are classified and disclosed in one of the following categories pursuant to ASC 820:

Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. The quoted price shall not be adjusted for any blockage factor (i.e., size of the position relative to trading volume).

Level 2 - Pricing inputs are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. Fair value is determined through the use of models or other valuation methodologies, including the use of pricing matrices. If the asset or liability has a specified (contractual) term, a Level 2 input must be observable for substantially the full term of the asset or liability.

Level 3 - Pricing inputs are unobservable for the asset or liability. Unobservable inputs are used to measure fair value to the extent that observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset or liability at the measurement date. The inputs into the determination of fair value require significant management judgment or estimation.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, an asset’s or liability’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.

The Company uses the following methods and assumptions in estimating fair value disclosures for financial instruments. Financial assets and liabilities recorded at fair value on a recurring and non-recurring basis are listed as follows:

Securities Available for Sale

The fair values of securities available for sale are determined by obtaining quoted prices on nationally recognized securities exchanges (Level 1 inputs) or matrix pricing, which is a technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities but rather by relying on the securities’ relationship to other benchmark quoted securities (Level 2 inputs).

The fair values of the Company’s Level 3 securities available for sale were measured using an income approach valuation technique. The primary inputs and assumptions used in the fair value measurement were derived from the securities’ underlying collateral, which included discount rates, prepayment speeds, payment delays, and an assessment of the risk of default of the underlying collateral, among other factors. Significant increases or decreases in any of the inputs or assumptions would result in a significant increase or decrease in the fair value measurement.

Equity Investments With Readily Determinable Fair Value

The fair value of the Company’s equity investments with readily determinable fair value is comprised of mutual funds and equity stock. The fair value for these investments is obtained from unadjusted quoted prices in active markets on the date of measurement and is therefore classified as Level 1.

Interest Rate Swaps

The Company offers interest rate swaps to certain loan customers to allow them to hedge the risk of rising interest rates on their variable rate loans. The Company originates a variable rate loan and enters into a variable-to-fixed interest rate swap with the customer. The Company also enters into an offsetting swap with a correspondent bank. These back-to-back agreements are intended to offset each other and allow the Company to originate a variable rate loan, while providing a contract for fixed interest payments for the customer. The net cash flow for the Company is equal to the interest income received from a variable rate loan originated with the customer. The fair value of these derivatives is based on a discounted cash flow approach. Due to the observable nature of the inputs used in deriving the fair value of these derivative contracts, the valuation of interest rate swaps is classified as Level 2.

Mortgage banking derivatives

Mortgage banking derivative instruments consist of interest rate lock commitments and forward sale contracts that trade in liquid markets. The fair value is based on the prices available from third party investors. Due to the observable nature of the inputs used in deriving the fair value, the valuation of mortgage banking derivatives are classified as Level 2.

Impaired Loans

The fair values of impaired loans are generally measured for impairment using the practical expedients permitted by FASB ASC 310-10-35 including impaired loans measured at an observable market price (if available), or at the fair value of the loan’s collateral (if the loan is collateral dependent). Fair value of the loan’s collateral, when the loan is dependent on collateral, is determined by appraisals or independent valuation, less costs to sell of 8.5%. Appraisals may utilize a single valuation approach or a combination of approaches including comparable sales and income approach. Adjustment may be made in the appraisal process by the independent appraiser to adjust for differences between the comparable sales and income data available for similar loans and the underlying collateral. For commercial and industrial and asset backed loans, independent valuations may be comprised of a 20-60% discount for eligible accounts receivable and a 50-70% discount for inventory. These result in a Level 3 classification.

OREO

OREO is fair valued at the time the loan is foreclosed upon and the asset is transferred to OREO. The value is based primarily on third party appraisals, less costs to sell of 8.5% and result in a Level 3 classification of the inputs for determining fair value. OREO is reviewed and evaluated on at least a quarterly basis for additional impairment and adjusted to lower of cost or market accordingly, based on the same factors identified above.

Loans held for sale

Loans held for sale are carried at the lower of cost or fair value, as determined by outstanding commitments from investors, or based on recent comparable sales (Level 2 inputs), if available, and if not available, are based on discounted cash flows using current market rates applied to the estimated life and credit risk (Level 3 inputs) or may be assessed based upon the fair value of the collateral, which is obtained from recent real estate appraisals (Level 3 inputs). These appraisals may utilize a single valuation approach or a combination of approaches including the income approach. Adjustments are routinely made in the appraisal process by the appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are typically significant and result in Level 3 classification of the inputs for determining fair value.

Assets and liabilities measured at fair value on a recurring basis are summarized below:

			Fair Value Measurements at the End of the Reporting Period Using
	March 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Securities available for sale:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	872,297	$	—	$	872,297	$	—
Mortgage-backed securities:
Residential	394,541		—		394,541		—
Commercial	471,259		—		471,259		—
Corporate securities	3,986		—		3,986		—
Municipal securities	76,260		—		75,192		1,068
Equity investments with readily determinable fair value	24,319		24,319		—		—
Interest rate swaps	5,140		—		5,140		—
Mortgage banking derivatives	85		—		85		—
Liabilities:
Interest rate swaps	5,140		—		5,140		—
Mortgage banking derivatives	37		—		37		—

			Fair Value Measurements at the End of the Reporting Period Using
	December 31, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Securities available for sale:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	895,122	$	—	$	895,122	$	—
Mortgage-backed securities:
Residential	402,605		—		402,605		—
Commercial	469,126		—		469,126		—
Corporate securities	3,826		—		3,826		—
Municipal securities	75,586		—		74,527		1,059
Equity investments with readily determinable fair value	23,405		23,405		—		—
Interest rate swaps	7,059		—		7,059		—
Mortgage banking derivatives	10		—		10		—
Liabilities:
Interest rate swaps	7,059		—		7,059		—
Mortgage banking derivatives	3		—		3		—

There were no transfers between Level 1, 2, and 3 during the three months ended March 31, 2019 and 2018.

The table below presents a reconciliation and income statement classification of losses for all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019		2018
	(Dollars in thousands)
Beginning Balance	$	1,059	$	1,108
Total losses included in other comprehensive income (loss)	9		(29		)
Ending Balance	$	1,068	$	1,079

The Company measures certain assets at fair value on a non-recurring basis including impaired loans (excluding PCI loans), loans held for sale, and OREO. These fair value adjustments result from impairments recognized during the period, application of the lower of cost or fair value on loans held for sale, and the application of fair value less cost to sell on OREO.

Assets measured at fair value on a non-recurring basis are summarized below:

			Fair Value Measurements at the End of the Reporting Period Using
	March 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	9,518	$	—	$	—	$	9,518
Commercial business	15,874		—		—		15,874
Trade finance	101		—		—		101
OREO	5,111		—		—		5,111

			Fair Value Measurements at the End of the Reporting Period Using
	December 31, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	9,379	$	—	$	—	$	9,379
Commercial business	9,951		—		—		9,951
Consumer	66		—		—		66
OREO	5,659		—		—		5,659

For assets measured at fair value on a non-recurring basis, the total net gains (losses), which include charge offs, recoveries, specific reserves, and recognized gains and losses on sales are summarized below:

	For the Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	1,048		$	(5,572	)
Commercial business	(3,231		)	(899		)
Trade Finance	—			15
Consumer	(285		)	(315		)
OREO	62			72

Fair Value of Financial Instruments

Carrying amounts and estimated fair values of financial instruments, not previously presented, at March 31, 2019 and December 31, 2018 were as follows:

	March 31, 2019
	Carrying Amount		Estimated Fair Value		Fair Value Measurement Using
	(Dollars in thousands)
Financial Assets:
Cash and cash equivalents	$	612,884	$	612,884	Level 1
Interest bearing deposits in other financial institutions	30,141		30,148		Level 2
Equity investments without readily determinable fair values	26,554		26,554		Level 2
Loans held for sale	921		931		Level 2
Loans receivable—net	11,959,787		11,755,447		Level 3
Accrued interest receivable	34,831		34,831		Level 2/3
Servicing assets, net	21,407		22,971		Level 3
Customers’ liabilities on acceptances	1,896		1,896		Level 2
Financial Liabilities:
Noninterest bearing deposits	$	2,948,751	$	2,948,751	Level 2
Saving and other interest bearing demand deposits	3,310,482		3,310,482		Level 2
Time deposits	5,989,963		6,075,173		Level 2
FHLB advances	720,000		715,922		Level 2
Convertible notes, net	195,754		191,437		Level 1
Subordinated debentures	102,201		117,726		Level 2
Accrued interest payable	37,511		37,511		Level 2
Acceptances outstanding	1,896		1,896		Level 2
	December 31, 2018
	Carrying Amount		Estimated Fair Value		Fair Value Measurement Using
	(Dollars in thousands)
Financial Assets:
Cash and cash equivalents	$	459,606	$	459,606	Level 1
Interest bearing deposits in other financial institutions	29,409		29,374		Level 2
Equity investments without readily determinable fair values	26,430		26,430		Level 2
Loans held for sale	25,128		25,943		Level 2
Loans receivable—net	12,005,558		11,913,906		Level 3
Accrued interest receivable	32,225		32,225		Level 2/3
Servicing assets, net	23,132		24,762		Level 3
Customers’ liabilities on acceptances	2,281		2,281		Level 2
Financial Liabilities:
Noninterest bearing deposits	$	3,022,633	$	3,022,633	Level 2
Saving and other interest bearing demand deposits	3,262,399		3,262,399		Level 2
Time deposits	5,870,624		5,889,030		Level 2
FHLB advances	821,280		810,812		Level 2
Convertible debt	194,543		180,525		Level 1
Subordinated debentures	101,929		116,542		Level 2
Accrued interest payable	31,374		31,374		Level 2
Acceptances outstanding	2,281		2,281		Level 2

During the first quarter of 2018, the Company adopted ASU 2016-01, “Financial Instruments-Overall: Recognition and Measurement of Financial Assets and Financial Liabilities.” Among other things, the guidance requires the Company to base their fair value disclosures for financial instruments that are not measured at fair value in the financial statements on the exit price notion as opposed to an entry pricing notion. Prior to the adoption of ASU 2016-01, the Company used the entry prices to measure the fair value of certain assets and liabilities including loans, deposits, and subordinated debentures as permitted by ASC 820-10. However, upon adoption of ASU 2016-01, the Company began measuring these assets and liabilities based on the exit price notion. Although the exit price notion represents the value that would be received to sell an asset or paid to transfer a liability, the actual price received for a sale of assets or paid to transfer liabilities could be different from exit price disclosed.

The methods and assumptions used to estimate fair value are described as follows:

The carrying amount is the estimated fair value for cash and cash equivalents, savings and other interest bearing demand deposits, equity investments without readily determinable fair values, customer’s and Bank’s liabilities on acceptances, noninterest bearing deposits, short-term debt, secured borrowings and variable rate loans or deposits that reprice frequently and fully. For loans the fair value is determined through a discounted cash flow analysis which incorporates probability of default and loss given default rates on an individual loan basis. The discount rate is based on the LIBOR Swap Rate for fixed rate loans, while variable loans start with the corresponding index rate and an adjustment was made on certain loans which considered factors such as servicing costs, capital charges, duration, asset type incremental costs, and use of projected cash flows. Residential real estate loans fair values included Fannie Mae and Freddie Mac prepayment speed assumptions or a third party index based on historical prepayment speeds. Fair value of time deposits is based discounted cash flow analysis using recent issuance rates over the prior three months and a market rate analysis of recent offering rates for retail products. Wholesale time deposits fair values incorporated brokered time deposit offering rates. The fair value of the Company’s debt is based on current rates for similar financing. Fair value for the Company’s convertible notes is based on the actual last traded price of the notes. The fair value of commitments to fund loans represents fees currently charged to enter into similar agreements with similar remaining maturities and is not presented herein. The fair value of these financial instruments is not material to the consolidated financial statements.

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Stockholders' Equity

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Stockholders’ Equity

Stockholders’ Equity

Total stockholders’ equity at March 31, 2019 was $1.95 billion, compared to $1.90 billion at December 31, 2018.

During the second quarter of 2018, the Company recorded $21.4 million in additional paid-in capital from the convertible notes issued. The $21.4 million included $21.9 million for the equity component of the convertible notes offset by $461 thousand in issuance costs from the convertible notes that was allocated to equity. The Company also recorded a tax adjustment on the equity component of the convertible notes reducing additional paid-in capital by $6.4 million.

On April 26, 2018, the Company’s Board of Directors approved a share repurchase program that authorized the Company to repurchase up to $100.0 million in common stock. During the second and third quarter of 2018, the Company repurchased 5,565,696 shares of common stock totaling $100.0 million as part of the share repurchase program which was recorded as treasury stock. On September 20, 2018, the Company’s Board of Directors approved another share repurchase program that authorizes the Company to repurchase an additional $50 million of its common stock. During the fourth quarter of 2018, the Company repurchased 3,436,757 shares of common stock totaling $50.0 million as part of the second share repurchase program which was recorded as treasury stock.

The Company paid a quarterly dividend of $0.14 per common share during the first quarter of 2019 compared to $0.13 per common share paid during the first quarter of 2018.

The following table presents the quarterly changes to accumulated other comprehensive (loss) income for the three months ended March 31, 2019 and March 31, 2018:

	Three Months Ended,
	March 31, 2019			March 31, 2018
	(Dollars in thousands)
Balance at beginning of period	$	(32,705	)	$	(21,781	)
Unrealized loss on securities available for sale and interest only strips	24,666			(24,649		)
Tax effect	(7,319		)	7,509
Total other comprehensive (loss) income	$	17,347		$	(17,140	)
Reclassification to retained earnings per ASU 2016-01	—			281
Balance at end of period	$	(15,358	)	$	(38,640	)

During the first quarter of 2018, the Company adopted ASU 2016-01 “Financial Instruments-Overall: Recognition and Measurement of Financial Assets and Financial Liabilities.” As a result of the adoption of ASU 2016-01, the Company no longer accounts for mutual funds as available-for-sale securities and accounts for these investments as equity investments with changes to fair value recorded through earnings. In accordance with ASU 2016-01, the Company reclassified $281 thousand in net unrealized losses included in other comprehensive income, net of taxes to retained earnings on January 1, 2018. For the three months ended and March 31, 2019 and 2018, there were no other reclassifications out of accumulated other comprehensive (loss) income.

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Regulatory Matters

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Regulatory Matters

Regulatory Matters

The Company and the Bank are subject to various regulatory capital requirements administered by the federal and state banking agencies. Failure to meet minimum capital requirements can result in certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a material and adverse effect on the Company’s and the Bank’s business, financial condition and results of operation, such as restrictions on growth or the payment of dividends or other capital distributions or management fees. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company and the Bank must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance-sheet items as calculated under regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors.

In July 2013, the federal bank regulatory agencies adopted final regulations, which revised their risk-based and leverage capital requirements for banking organizations to meet requirements of the Dodd-Frank Act and to implement Basel III international agreements reached by the Basel Committee. The final rules became effective for the Company and the Bank on January 1, 2015 and were subject to a phase-in period through January 1, 2019. The final rules that had an impact on the Company and the Bank include:

• An increase in the minimum Tier 1 capital ratio from 4.00% to 6.00% of risk-weighted assets;

• A new category and a required 4.50% of risk-weighted assets ratio was established for “Common Equity Tier 1” as a subset of Tier 1 capital limited to common equity;

• A minimum non-risk-based leverage ratio was set at 4.00%, eliminating a 3.00% exception for higher rated banks;

• Changes in the permitted composition of Tier 1 capital to exclude trust preferred securities, mortgage servicing rights and certain deferred tax assets and include unrealized gains and losses on available for sale debt and equity securities;

• The risk-weights of certain assets for purposes of calculating the risk-based capital ratios are changed for high volatility commercial real estate acquisition, development and construction loans, certain past due non-residential mortgage loans and certain mortgage-backed and other securities exposures; and

• A new additional capital conservation buffer of 2.5% of risk weighted assets over each of the required capital ratios was added and must be met to avoid limitations on the ability of the Bank to pay dividends, repurchase shares, or pay discretionary bonuses. The capital conservation buffer for the Company was initially 0.625% in 2016 and increased 0.625% annually until 2019. As ofMarch 31, 2019, the capital conservation buffer for the Company stood at 2.50%.

As of March 31, 2019, the ratios for the Company and the Bank were sufficient to meet the fully phased-in conservation buffer.

As of March 31, 2019 and December 31, 2018, the most recent regulatory notification categorized the Bank as “well-capitalized” under the regulatory framework for prompt corrective action. To generally be categorized as “well-capitalized”, the Bank must maintain minimum total risk-based, Tier 1 risk-based, common equity Tier 1, and Tier 1 leverage ratios as set forth in the following table. There are no conditions or events since the most recent notification from regulators that management believes has changed the institution’s category.

The Company’s and the Bank’s levels and ratios are presented in the table below for the dates indicated:

	Actual				Required For Capital Adequacy Purposes				Minimum Capital Adequacy With Capital Conservation Buffer				Required To Be Well Capitalized Under Prompt Corrective Action Provisions
As of March 31, 2019	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Common equity Tier 1 capital (to risk weighted assets):
Company	$	1,485,917	11.59	%	$	576,761	4.50	%	$	897,184	7.00	%	N/A		N/A
Bank	$	1,764,757	13.77	%	$	576,718	4.50	%	$	897,117	7.00	%	$	833,037	6.50	%
Total capital (to risk-weighted assets):
Company	$	1,679,171	13.10	%	$	1,025,353	8.00	%	$	1,345,776	10.50	%	N/A		N/A
Bank	$	1,859,710	14.51	%	$	1,025,276	8.00	%	$	1,345,675	10.50	%	$	1,281,595	10.00	%
Tier 1 capital (to risk-weighted assets):
Company	$	1,584,218	12.36	%	$	769,015	6.00	%	$	1,089,438	8.50	%	N/A		N/A
Bank	$	1,764,757	13.77	%	$	768,957	6.00	%	$	897,117	8.50	%	$	1,025,276	8.00	%
Tier 1 capital (to average assets):
Company	$	1,584,218	10.66	%	$	594,301	4.00	%	N/A		N/A		N/A		N/A
Bank	$	1,764,757	11.88	%	$	594,392	4.00	%	N/A		N/A		$	742,990	5.00	%

	Actual				Required For Capital Adequacy Purposes				Minimum Capital Adequacy With Capital Conservation Buffer				Required To Be Well Capitalized Under Prompt Corrective Action Provisions
As of December 31, 2018	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Common equity Tier 1 capital (to risk weighted assets):
Company	$	1,458,344	11.44	%	$	573,723	4.50	%	$	812,774	6.375	%	N/A		N/A
Bank	$	1,737,092	13.63	%	$	573,669	4.50	%	$	812,740	6.375	%	$	828,677	6.50	%
Total capital (to risk-weighted assets):
Company	$	1,649,664	12.94	%	$	1,019,952	8.00	%	$	1,259,004	9.875	%	N/A		N/A
Bank	$	1,830,385	14.36	%	$	1,019,910	8.00	%	$	1,258,951	9.875	%	$	1,274,887	10.00	%
Tier 1 capital (to risk-weighted assets):
Company	$	1,556,371	12.21	%	$	764,964	6.00	%	$	1,004,015	7.875	%	N/A		N/A
Bank	$	1,737,092	13.63	%	$	764,932	6.00	%	$	812,740	7.875	%	$	1,019,910	8.00	%
Tier 1 capital (to average assets):
Company	$	1,556,371	10.55	%	$	590,176	4.00	%	N/A		N/A		N/A		N/A
Bank	$	1,737,092	11.76	%	$	590,639	4.00	%	N/A		N/A		$	738,299	5.00	%

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Revenue Recognition

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

On January 1, 2018, the Company adopted ASU 2014-09 “Revenue from Contracts with Customers” (Topic 606) and all subsequent issued ASUs that are related to Topic 606. The implementation of the new standard did not have a material impact on the measurement or recognition of revenue and a cumulative effect adjustment to opening retained earnings was not material and deemed unnecessary.

Topic 606 does not apply to revenue associated with financial instruments, including revenue from loans and securities. In addition, certain noninterest income streams such as fees associated with mortgage servicing rights, financial guarantees, derivatives, and certain credit card fees are also out of scope of the new guidance. Topic 606 is applicable to noninterest revenue streams such as deposit related fees, wire transfer fees, and certain OREO related net gains or expenses. However, the recognition of these revenue streams for the Company did not change significantly upon adoption of Topic 606. Noninterest revenue streams within the scope of Topic 606 are discussed below.

Service Charges on Deposit Accounts and Wire Transfer Fees

Service charges on noninterest and interest bearing deposit accounts consist of monthly service charges, customer analysis charges, non-sufficient funds (“NSF”) charges, and other deposit account related charges. The Company’s performance obligation for account analysis charges and monthly service charges is generally satisfied, and the related revenue is recognized over the period in which the service is provided. NSF charges, other deposit account related charges, and wire transfer fees are transaction based, and therefore the Company’s performance obligation is satisfied at the point of the transaction, and related revenue recognized at that point in time. Payment for service charges on deposit accounts is primarily received immediately or in the following month through a direct charge to customers’ accounts.

Service charges on deposit accounts and wire transfers are summarized below:

	Three Months Ended March 31,
	2019		2018
	(Dollars in thousands)
Noninterest bearing deposit account income:
Monthly service charges	$	423	$	439
Customer analysis charges	1,723		2,024
NSF charges	1,941		2,091
Other service charges	214		233
Total noninterest bearing deposit account income	4,301		4,787
Interest bearing deposit account income:
Monthly service charges	16		14
Total service fees on deposit accounts	$	4,317	$	4,801
Wire transfer fee income:
Wire transfer fees	$	934	$	1,080
Foreign exchange fees	155		127
Total wire transfer fees	$	1,089	$	1,207

OREO Income (Expense)

OREO are often sold in transactions that, under ASC 606, may not be considered a contract with a customer because the sale of the asset may not be an output of the Company’s ordinary activities. However, sales of nonfinancial assets, including in-substance nonfinancial assets, should be accounted for in accordance with ASC 610-20, “Other Income - Gains and Losses from the Derecognition of Nonfinancial Assets”, which requires the Company to apply certain measurement and recognition concepts of ASC 606. Accordingly, the Company recognizes the sale of a real estate property, along with any associated gain or loss, when control of the property transfers to the buyer. For sales of existing real estate properties, this generally will occur at the point of sale. When the Company finances the sale of OREO to the buyer, the Company must assess whether the buyer is committed to perform their obligations under the contract and whether collectability of the transaction price is probable. Once these criteria are met, the OREO asset is derecognized and the gain or loss on sale is recorded upon the transfer of control of the property to the buyer. Application of the new revenue recognition standard does not materially change the amount and the timing of the gain/loss on sale of OREO and other nonfinancial assets. Further, there were no open OREO/nonfinancial assets sale contracts at the adoption date that required an evaluation under Topic 606. The Company recognized a net gain on sale of OREO of $3 thousand and $72 thousand for the three months ended March 31, 2019 and 2018, respectively.

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Basis of Presentation Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2019

Basis Of Presentation [Abstract]

Consolidation

The consolidated financial statements include the accounts of Hope Bancorp and its wholly owned subsidiaries, principally Bank of Hope. All intercompany transactions and balances have been eliminated in consolidation. The Company has made all adjustments, that in the opinion of management, are necessary to fairly present the Company’s financial position at March 31, 2019 and December 31, 2018 and the results of operations for the three months ended March 31, 2019 and 2018. Certain reclassifications have been made to prior period amounts to conform to the current year presentation. The results of operations for the interim periods are not necessarily indicative of results to be anticipated for the full year.

Use of estimates

The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ significantly from those estimates.

Recent Accounting Pronouncements

Accounting Pronouncements

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)”. Subsequently, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases”, ASU 2018-11, “Leases Topic 842, Targeted Improvements”, and ASU 2018-20, “Narrow-Scope Improvements for Lessors”, to provide additional clarification, implementation, and transition guidance on certain aspects of ASU 2016-02. ASU 2016-02 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. Under ASU 2016-02, leases are classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. ASU 2016-02, ASU 2018-10, ASU 2018-11, and ASU 2018-20 were effective for fiscal years beginning after December 15, 2018. The Company adopted Topic 842 on January 1, 2019. The Company elected the transition option provided in ASU 2018-11 and the modified retrospective approach was applied on January 1, 2019. The Company did not have any amounts recorded for the cumulative adjustment to the opening balance of retained earnings. As permitted by ASU 2016-02, the Company elected the following practical expedients: lease classifications under ASC 840 were grandfathered in, the Company did not re-evaluate embedded leases, the Company did not reassess initial direct costs, the option not to separate lease and non-lease components and instead accounted for them as a single lease component, and exercised the option not to recognize right-of-use assets and lease liabilities that arose from short-term leases (i.e., leases with terms of twelve months or less). At January 1, 2019, the Company had a total of 96 operating leases resulting in the recognition of $64.3 million in right-of-use assets and related lease liabilities totaling $64.3 million. See Note 8, “Leases” for further details.

In March 2017, the FASB issued ASU 2017-08, “Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities”. ASU 2017-08 was issued to amend the amortization period for certain callable debt securities held at a premium. ASU 2017-08 shortens the amortization period of premiums on certain purchased callable debt securities to the earliest call date. ASU 2017-08 affect all entities that hold investments in callable debt securities that have an amortized cost basis in excess of the amount that is repayable by the issuer at the earliest call date (that is, at a premium). ASU 2017-08 does not impact securities purchased at a discount, which continue to be amortized to maturity. ASU 2017-08 was effective for annual period beginning after December 15, 2018. The Company adopted ASU 2017-08 on January 1, 2019. The adoption of ASU 2017-08 did not have an impact to the Company consolidated financial statements as the premiums on purchased callable debt securities were already being amortized to the earliest call date.

In June 2018, the FASB issued ASU 2018-07, “Compensation - Stock Compensation (Topic 718): Improvements to Nonemployees Share-Based Payment Accounting”. ASU 2018-07 expands the scope of Topic 718 (which currently only includes share-based payments to employees) to include share-based payments issued to nonemployees for goods or services.  Under ASU 2018-07, the accounting for share-based payments for nonemployees and employees are substantially the same. ASU supersedes Subtopic 505-50, “Equity – Equity-Based Payments to Non-Employees”. ASU 2018-07 was effective for annual period beginning after December 15, 2018. The Company adopted ASU 2018-07 on January 1, 2019. Although the Company’s stock compensation plan allows for the stock compensation to nonemployees, the Company historically has not granted stock compensation to nonemployees. Therefore, the adoption of ASU 2018-07 did not have an impact to the Company’s consolidated financial statements .

Pending Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”, also referred to as “CECL”. ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU 2016-13 becomes effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019. The Company has established a CECL committee to oversee the development and implementation of ASU 2016-13. The Company is collaborating with a third party advisory team and has completed a gap assessment, a full implementation road-map and a detailed project plan. The Company has also engaged a software vendor to assist the Company to build a model that is compliant with ASU 2016-13 by the effective date. Based on the Company’s initial assessment of the ASU 2016-13, the Company expects the new guidance will result in additional required allowance for loan losses which could potentially have a material impact on its consolidated financial statements and regulatory capital ratios.

In January 2017, the FASB issued ASU 2017-04, “Intangibles: Goodwill and Other: Simplifying the Test for Goodwill Impairment.” ASU 2017-04 will amend and simplify current goodwill impairment testing to eliminate Step 2 from the current provisions. Under the new guidance, an entity should perform the goodwill impairment test by comparing the fair value of a reporting unit with its carrying value and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. An entity still has the option to perform the quantitative assessment for a reporting unit to determine if a quantitative impairment test is necessary. ASU 2017-04 should be adopted for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. The adoption of ASU 2017-04 is not expected to have a material impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement”. ASU 2018-13 modifies the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. ASU 2018-13 removes the disclosure requirement detailing the amount of and reasons for transfers between Level 1 and Level 2 and the valuation processes for Level 3 fair value measurements will be removed. In addition, ASU 2018-13 modifies the disclosure requirement for investments in certain entities that calculate net asset value. Lastly, ASU 2018-13 adds a disclosure requirement for changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 measurements. ASU 2018-13 is effective annual periods in fiscal years beginning after December 15, 2019, including interim periods within those annual periods. Early adoption is permitted upon the issuance of ASU 2018-13. The removed and modified disclosures will be adopted on a retrospective basis, and the new disclosures will be adopted on a prospective basis. The adoption of ASU 2018-13 is not expected to have a material impact on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, “Intangibles - Goodwill and Other - Internal Use Software (Subtopic 250-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)”. ASU 2018-15 requires an entity in a cloud computing arrangement (i.e., hosting arrangement) that is a service contract to follow the internal-use software guidance in ASC 350-40 to determine which implementation costs to capitalize as assets or expense as incurred. Capitalized implementation costs should be presented in the same line item on the balance sheet as amounts prepaid for the hosted service, if any (generally as an “other asset”). The capitalized costs will be amortized over the term of the hosting arrangement, with the amortization expense being presented in the same income statement line item as the fees paid for the hosted service. ASU 2018-15 is effective for annual reporting periods beginning after December 15, 2019, including interim periods within those annual periods. Early adoption is permitted, including adoption in any interim period. The adoption of ASU 2018-15 is not expected to have a material impact on the Company’s consolidated financial statements.

Recent Accounting Pronouncements

In March 2019, the FASB issued ASU 2019-01, “Leases (Topic 842)”. ASU 2019-01 aligns the guidance for fair value of the underlying asset by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance. ASU 2019-01 also requires lessors within the scope of Topic 842, Financial Services-Depository Lending, to present all “principal payments received under leases” within investing activities on the Consolidated Statements of Cash Flows. In addition, ASU 2019-01 exempts both lessees and lessors from having to provide certain interim disclosures in the fiscal year in which a company adopts the new leases standard. The guidance is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. Early application is permitted. An entity should apply the amendments as of the date that it first applied Topic 842, using the same transition methodology in accordance with paragraph 842-10-65-1(c). The Company adopted Topic 842 on January 1, 2019 and applied the amendments in ASU 2019-01 as of the same date and it did not have a material impact on the Company’s consolidated financial statements as the Company is not a lessor.

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

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

Summary of Stock Option Activity Under the Plan

The following is a summary of stock option activity under the 2016 Plan for the three months ended March 31,2019:

	Number of Shares		Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value (Dollars in thousands)
Outstanding - January 1, 2019	982,631		$	15.41
Granted	—		—
Exercised	—		—
Expired	(6,962	)	15.79
Forfeited	(18,000	)	17.18
Outstanding - March 31, 2019	957,669		$	15.37	6.16	$	850
Options exercisable - March 31, 2019	770,659		$	15.00	5.91	$	850

Summary of Restricted and Performance Unit Activity Under the Plan

The following is a summary of restricted stock and performance unit activity under the 2016 Plan for the three months ended March 31,2019:

	Number of Shares		Weighted- Average Grant Date Fair Value
Outstanding (unvested) - January 1, 2019	478,891		$	16.37
Granted	384,854		13.67
Vested	(24,956	)	15.57
Forfeited	(28,075	)	16.31
Outstanding (unvested) - March 31, 2019	810,714		$	15.11

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Computation of basic and diluted EPS

The following tables show the computation of basic and diluted EPS for the three months ended March 31, 2019 and 2018.

	Three Months Ended March 31,
	2019					2018
	Net Income (Numerator)		Weighted-Average Shares (Denominator)	Earnings Per Share		Net Income (Numerator)		Weighted-Average Shares (Denominator)	Earnings Per Share
	(Dollars in thousands, except share and per share data)
Basic EPS - common stock	$	42,758	126,640,464	$	0.34	$	51,232	135,518,705	$	0.38
Effect of dilutive securities:
Stock options, restricted stock,    and ESPP shares			179,208					296,557
Diluted EPS - common stock	$	42,758	126,819,672	$	0.34	$	51,232	135,815,262	$	0.38

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Equity Investment Securities (Tables)

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule Of Change In Fair Value For Equity Investment Securities

he change in fair value for equity investments with readily determinable fair values for the three months ended March 31, 2019 and 2018 were recorded in other noninterest income and fees as summarized in the table below:

	Three Months Ended,
	March 31, 2019		March 31, 2018
	(Dollars in thousands)
Net change in fair value recorded during the period on equity investments with readily determinable fair value	$	912	$	3,519
Net change in fair value recorded on equity investments sold during the period	—		—
Net change in fair value on equity investments with readily determinable fair values	$	912	$	3,519

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Securities Available for Sale (Tables)

3 Months Ended

Mar. 31, 2019

Available-for-sale Securities [Abstract]

Summary of Securities Available for Sale

The following is a summary of securities available for sale as of the dates indicated:

	At March 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in thousands)
Debt securities:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	883,525	$	2,090	$	(13,318	)	$	872,297
Mortgage-backed securities:
Residential	401,210		447		(7,116		)	394,541
Commercial	474,979		4,159		(7,879		)	471,259
Corporate securities	5,000		—		(1,014		)	3,986
Municipal securities	76,385		839		(964		)	76,260
Total investment securities available for sale	$	1,841,099	$	7,535	$	(30,291	)	$	1,818,343
	At December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in thousands)
Debt securities:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	914,710	$	1,541	$	(21,129	)	$	895,122
Mortgage-backed securities:
Residential	415,659		47		(13,101		)	402,605
Commercial	481,081		1,024		(12,979		)	469,126
Corporate securities	5,000		—		(1,174		)	3,826
Municipal securities	77,168		398		(1,980		)	75,586
Total investment securities available for sale	$	1,893,618	$	3,010	$	(50,363	)	$	1,846,265

Investments Classified by Contractual Maturity Date

The amortized cost and estimated fair value of investment securities at March 31, 2019, by contractual maturity, is presented in the table below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Collateralized mortgage obligations and mortgage-backed securities are not due at a single maturity date and their total balances are shown separately.

	Amortized Cost		Estimated Fair Value
	(Dollars in thousands)
Available for sale:
Due within one year	$	750	$	757
Due after one year through five years	19,602		19,845
Due after five years through ten years	25,759		26,205
Due after ten years	35,274		33,439
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	883,525		872,297
Mortgage-backed securities:
Residential	401,210		394,541
Commercial	474,979		471,259
Total	$	1,841,099	$	1,818,343

Schedule of Unrealized Loss on Investments

The following tables show the Company’s investments’ gross unrealized losses and estimated fair values, aggregated by investment category and the length of time that the individual securities have been in a continuous unrealized loss position as of the dates indicated.    

	As of March 31, 2019
	Less than 12 months						12 months or longer						Total
Description of Securities	Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses
	(Dollars in thousands)
Collateralized mortgage obligations*	2	$	21,338	$	(17	)	91	$	681,210	$	(13,301	)	93	$	702,548	$	(13,318	)
Mortgage-backed securities:
Residential*	—	—		—			44	351,534		(7,116		)	44	351,534		(7,116		)
Commercial*	1	5,756		(14		)	25	295,061		(7,865		)	26	300,817		(7,879		)
Corporate securities	—	—		—			1	3,986		(1,014		)	1	3,986		(1,014		)
Municipal securities	8	4,051		(15		)	11	23,135		(949		)	19	27,186		(964		)
Total	11	$	31,145	$	(46	)	172	$	1,354,926	$	(30,245	)	183	$	1,386,071	$	(30,291	)

__________________________________    

* Investments in U.S. Government agency and U.S. Government sponsored enterprises

	As of December 31, 2018
	Less than 12 months						12 months or longer						Total
Description of Securities	Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses			Number  of Securities	Fair  Value		Gross Unrealized Losses
	(Dollars in thousands)
Collateralized mortgage obligations*	1	$	8,041	$	(28	)	93	$	700,095	$	(21,101	)	94	$	708,136	$	(21,129	)
Mortgage-backed securities:
Residential*	4	19,973		(37		)	45	363,334		(13,064		)	49	383,307		(13,101		)
Commercial*	3	38,494		(218		)	27	312,428		(12,761		)	30	350,922		(12,979		)
Corporate securities	—	—		—			1	3,826		(1,174		)	1	3,826		(1,174		)
Municipal securities	13	5,528		(83		)	32	42,444		(1,897		)	45	47,972		(1,980		)
Total	21	$	72,036	$	(366	)	198	$	1,422,127	$	(49,997	)	219	$	1,494,163	$	(50,363	)

__________________________________

* Investments in U.S. Government agency and U.S. Government sponsored enterprises

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Loans Receivable and Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Summary of Loans Receivable by Major Category

The following is a summary of loans receivable by major category:

	March 31, 2019			December 31, 2018
Loan portfolio composition	(Dollars in thousands)
Real estate loans:
Residential	$	49,633		$	51,197
Commercial	8,396,364			8,395,327
Construction	269,837			275,076
Total real estate loans	8,715,834			8,721,600
Commercial business	2,158,424			2,127,630
Trade finance	172,273			197,190
Consumer and other	1,007,067			1,051,486
Total loans outstanding	12,053,598			12,097,906
Deferred loan fees, net	406			209
Loans receivable	12,054,004			12,098,115
Allowance for loan losses	(94,217		)	(92,557		)
Loans receivable, net of allowance for loan losses	$	11,959,787		$	12,005,558

Loans and Leases Acquired, Accretable Yield Movement Schedule

The following table presents changes in the accretable discount on PCI loans for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	49,697		$	55,002
Accretion	(5,834		)	(5,772		)
Reclassification from nonaccretable difference	3,501			5,616
Balance at end of period	$	47,364		$	54,846

Allowance for Loan Losses by Portfolio Segment

The following tables detail the activity in the allowance for loan losses by portfolio segment for the three months ended March 31, 2019 and 2018:

	Legacy Loans												Acquired Loans											Total
	Real Estate			Commercial Business			Trade Finance			Consumer and Other			Real Estate			Commercial Business			Trade Finance		Consumer and Other
	(Dollars in thousands)
Three Months Ended March 31, 2019
Balance, beginning of period	$	49,446		$	21,826		$	719		$	6,269		$	7,321		$	5,939		$	—	$	1,037		$	92,557
Provision (credit) for loan losses	(4,658		)	6,621			(21		)	938			(39		)	118			—		41			3,000
Loans charged off	(34		)	(1,160		)	—			(210		)	(26		)	(248		)	—		(76		)	(1,754		)
Recoveries of charge offs	1,122			89			—			7			5			69			—		—			1,292
PCI allowance adjustment	—			—			—			—			—			(878		)	—		—			(878		)
Balance, end of period	$	45,876		$	27,376		$	698		$	7,004		$	7,261		$	5,000		$	—	$	1,002		$	94,217

	Legacy Loans											Acquired Loans												Total
	Real Estate			Commercial Business			Trade Finance		Consumer and Other			Real Estate			Commercial Business			Trade Finance			Consumer and Other
	(Dollars in thousands)
Three Months Ended March 31, 2018
Balance, beginning of period	$	45,360		$	17,228		$	1,674	$	3,385		$	13,322		$	3,527		$	42		$	3		$	84,541
Provision (credit) for loan losses	479			3,289			81		877			(173		)	(2,046		)	(4		)	(3		)	2,500
Loans charged off	(63		)	(342		)	—		(347		)	(102		)	(214		)	—			—			(1,068		)
Recoveries of charge offs	201			212			12		19			1			41			—			2			488
Balance, end of period	$	45,977		$	20,387		$	1,767	$	3,934		$	13,048		$	1,308		$	38		$	2		$	86,461

The following tables break out the allowance for loan losses and the recorded investment of loans outstanding (not including accrued interest receivable and net deferred loan costs or fees) by individually impaired, general valuation, and PCI impairment, by portfolio segment at March 31, 2019 and December 31, 2018:

	March 31, 2019
	Legacy Loans								Acquired Loans								Total
	Real Estate		Commercial Business		Trade Finance		Consumer and Other		Real Estate		Commercial Business		Trade Finance		Consumer and Other
	(Dollars in thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	211	$	5,842	$	—	$	8	$	245	$	490	$	—	$	1	$	6,797
Collectively evaluated for impairment	45,665		21,534		698		6,996		1,786		408		—		17		77,104
PCI loans	—		—		—		—		5,230		4,102		—		984		10,316
Total	$	45,876	$	27,376	$	698	$	7,004	$	7,261	$	5,000	$	—	$	1,002	$	94,217
Loans outstanding:
Individually evaluated for impairment	$	59,938	$	33,756	$	5,343	$	817	$	23,264	$	5,048	$	3,066	$	918	$	132,150
Collectively evaluated for impairment	7,122,309		2,026,111		163,864		872,171		1,394,669		72,810		—		127,583		11,779,517
PCI loans	—		—		—		—		115,654		20,699		—		5,578		141,931
Total	$	7,182,247	$	2,059,867	$	169,207	$	872,988	$	1,533,587	$	98,557	$	3,066	$	134,079	$	12,053,598

	December 31, 2018
	Legacy Loans								Acquired Loans								Total
	Real Estate		Commercial Business		Trade Finance		Consumer and Other		Real Estate		Commercial Business		Trade Finance		Consumer and Other
	(Dollars in thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	176	$	4,221	$	—	$	3	$	261	$	130	$	—	$	—	$	4,791
Collectively evaluated for impairment	49,270		17,605		719		6,266		1,264		460		—		19		75,603
PCI loans	—		—		—		—		5,796		5,349		—		1,018		12,163
Total	$	49,446	$	21,826	$	719	$	6,269	$	7,321	$	5,939	$	—	$	1,037	$	92,557
Loans outstanding:
Individually evaluated for impairment	$	39,976	$	29,624	$	5,887	$	441	$	18,080	$	5,734	$	3,124	$	1,141	$	104,007
Collectively evaluated for impairment	7,037,392		1,988,067		188,179		910,292		1,507,858		80,916		—		133,942		11,846,646
PCI loans	—		—		—		—		118,294		23,289		—		5,670		147,253
Total	$	7,077,368	$	2,017,691	$	194,066	$	910,733	$	1,644,232	$	109,939	$	3,124	$	140,753	$	12,097,906

Impaired Financing Receivables

The following tables detail the recorded investment of impaired loans (Legacy Loans and Acquired Loans that became impaired subsequent to being originated and acquired, respectfully) as of March 31, 2019 and December 31, 2018, and the average recorded investment and interest income recognized for the three months ended March 31, 2019 and 2018. Impaired loans with no related allowance are believed by management to be adequately collateralized.

	As of March 31, 2019						As of December 31, 2018
Total Impaired Loans (1)	Recorded Investment (2)		Unpaid Contractual Principal Balance		Related Allowance		Recorded Investment*		Unpaid Contractual Principal Balance		Related Allowance
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	2,045		2,299		171		1,375		1,487		156
Hotel & motel	1,834		2,185		112		1,949		2,310		119
Gas station & car wash	—		—		—		—		—		—
Mixed use	858		934		34		881		947		43
Industrial & warehouse	7,589		8,556		124		1,305		2,139		93
Other	4,355		4,794		15		7,759		8,174		26
Real estate—construction	—		—		—		—		—		—
Commercial business	26,278		28,739		6,332		22,203		23,928		4,351
Trade finance	101		101		—		—		—		—
Consumer and other	953		953		9		575		575		3
Subtotal	$	44,013	$	48,561	$	6,797	$	36,047	$	39,560	$	4,791
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	24,581		27,047		—		8,005		11,234		—
Hotel & motel	9,756		20,349		—		10,877		22,590		—
Gas station & car wash	532		3,640		—		545		3,653		—
Mixed use	7,216		7,329		—		7,048		7,058		—
Industrial & warehouse	10,052		11,335		—		12,343		13,467		—
Other	14,384		15,570		—		5,969		7,122		—
Real estate—construction	—		—		—		—		—		—
Commercial business	12,526		17,863		—		13,155		17,850		—
Trade finance	8,308		8,308		—		9,011		9,011		—
Consumer and other	782		876		—		1,007		1,156		—
Subtotal	$	88,137	$	112,317	$	—	$	67,960	$	93,141	$	—
Total	$	132,150	$	160,878	$	6,797	$	104,007	$	132,701	$	4,791

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

	For the Three Months Ended March 31,
	2019				2018
Total Impaired Loans (1)	Average Recorded Investment (2)		Interest Income Recognized During Impairment		Average Recorded Investment*		Interest Income Recognized During Impairment
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	1,710		6		3,458		—
Hotel & motel	1,891		—		2,878		18
Gas station & car wash	—		—		—		—
Mixed use	870		1		1,635		36
Industrial & warehouse	4,447		92		1,575		23
Other	6,057		26		6,894		68
Real estate—construction	—		—		—		—
Commercial business	24,241		164		24,603		149
Trade finance	50		1		3,229		58
Consumer and other	764		2		508		—
Subtotal	$	40,030	$	292	$	44,780	$	352
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	16,293		35		12,880		110
Hotel & motel	10,317		—		2,940		—
Gas station & car wash	538		5		670		—
Mixed use	7,132		51		1,101		—
Industrial & warehouse	11,198		51		10,518		64
Other	10,177		84		17,225		125
Real estate—construction	—		—		1,300		—
Commercial business	12,840		44		18,204		94
Trade finance	8,659		97		3,221		44
Consumer and other	895		—		1,597		6
Subtotal	$	78,049	$	367	$	69,656	$	443
Total	$	118,079	$	659	$	114,436	$	795

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

	As of March 31, 2019						As of December 31, 2018
Impaired Acquired Loans (1)	Recorded Investment (2)		Unpaid Contractual Principal Balance		Related Allowance		Recorded Investment*		Unpaid Contractual Principal Balance		Related Allowance
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	574		599		125		198		220		118
Hotel & motel	73		345		4		72		345		4
Gas station & car wash	—		—		—		—		—		—
Mixed use	303		305		30		312		312		38
Industrial & warehouse	236		1,033		82		230		1,050		88
Other	543		543		4		3,454		3,454		13
Real estate—construction	—		—		—		—		—		—
Commercial business	3,974		5,924		490		4,064		5,041		130
Trade finance	—		—		—		—		—		—
Consumer and other	136		136		1		144		144		—
Subtotal	$	5,839	$	8,885	$	736	$	8,474	$	10,566	$	391
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	7,533		8,350		—		3,285		4,151		—
Hotel & motel	5,392		6,853		—		5,428		6,874		—
Gas station & car wash	246		2,673		—		247		2,673		—
Mixed use	3,903		4,008		—		3,722		3,726		—
Industrial & warehouse	93		894		—		119		894		—
Other	4,368		4,690		—		1,013		1,326		—
Real estate—construction	—		—		—		—		—		—
Commercial business	1,074		2,096		—		1,670		2,681		—
Trade finance	3,066		3,066		—		3,124		3,124		—
Consumer and other	782		876		—		997		1,144		—
Subtotal	$	26,457	$	33,506	$	—	$	19,605	$	26,593	$	—
Total	$	32,296	$	42,391	$	736	$	28,079	$	37,159	$	391

__________________________________

(1) Impaired loans excludes acquired PCI loans

(2) Unpaid contractual principal balance less charge offs, interest collected applied to principal if on nonaccrual and purchase discounts.

	For the Three Months Ended March 31,
	2019				2018
Impaired Acquired Loans (1)	Average Recorded Investment (2)		Interest Income Recognized During Impairment		Average Recorded Investment*		Interest Income Recognized During Impairment
	(Dollars in thousands)
With related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	386		—		384		—
Hotel & motel	73		—		85		—
Gas station & car wash	—		—		—		—
Mixed use	307		1		1,544		36
Industrial & warehouse	233		—		243		—
Other	1,999		3		2,817		68
Real estate—construction	—		—		—		—
Commercial business	4,019		40		6,911		30
Trade finance	—		—		—		—
Consumer and other	140		2		—		—
Subtotal	$	7,157	$	46	$	11,984	$	134
With no related allowance:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	5,409		30		3,355		34
Hotel & motel	5,410		—		483		—
Gas station & car wash	246		—		100		—
Mixed use	3,813		—		76		—
Industrial & warehouse	106		—		454		—
Other	2,690		66		6,785		57
Real estate—construction	—		—		—		—
Commercial business	1,372		17		3,916		13
Trade finance	3,095		51		3,176		44
Consumer and other	890		—		1,216		2
Subtotal	$	23,031	$	164	$	19,561	$	150
Total	$	30,188	$	210	$	31,545	$	284

__________________________________

The recorded investment of individually impaired loans and the total impaired loans net of specific allowance is presented in the following table for the dates indicated:

	March 31, 2019			December 31, 2018
	(Dollars in thousands)
With allocated specific allowance
Without charge off	$	42,912		$	35,365
With charge off	1,101			681
With no allocated specific allowance
Without charge off	77,619			59,607
With charge off	10,518			8,354
Specific allowance on impaired loans	(6,797		)	(4,791		)
Impaired loans, net of specific allowance	$	125,353		$	99,216

Aging of Past Due Loans

The following table represent the recorded investment of nonaccrual loans and loans past due 90 or more days and still on accrual status by class of loans as of March 31, 2019 and December 31, 2018.

	Nonaccrual Loans(1)				Accruing Loans Past Due 90 or More Days
	March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	17,879		5,153		—		—
Hotel & motel	6,125		7,325		—		—
Gas station & car wash	31		31		—		—
Mixed use	734		749		—		—
Industrial & warehouse	5,998		6,111		—		—
Other	10,946		5,940		—		—
Real estate—construction	—		—		—		—
Commercial business	22,867		14,837		—		—
Trade finance	2,521		1,661		—		—
Consumer and other	783		441		387		243
Subtotal	$	67,884	$	42,248	$	387	$	243
Acquired Loans: (2)
Real estate—residential	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	5,472		829		—		—
Hotel & motel	5,464		5,500		—		1,286
Gas station & car wash	246		247		—		—
Mixed use	4,087		1,224		—		—
Industrial & warehouse	329		349		—		—
Other	719		259		—		—
Real estate—construction	—		—		—		—
Commercial business	1,654		1,632		—		—
Trade finance	—		—		—		—
Consumer and other	782		998		—		—
Subtotal	$	18,753	$	11,038	$	—	$	1,286
Total	$	86,637	$	53,286	$	387	$	1,529

__________________________________

⁽¹⁾  Total nonaccrual loans exclude guaranteed portion of delinquent SBA loans that are in liquidation totaling $30.5 million and $29.2 million, at March 31, 2019 and December 31, 2018, respectively.

⁽²⁾  Acquired Loans exclude PCI loans.

The following tables present the recorded investment of past due loans, including nonaccrual loans past due 30 or more days, by the number of days past due as of March 31, 2019 and December 31, 2018 by class of loans:

	As of March 31, 2019								As of December 31, 2018
	30-59 Days Past Due		60-89 Days  Past Due		90 or More Days Past Due		Total Past Due		30-59 Days Past Due		60-89 Days  Past Due		90 or More Days Past Due		Total Past Due
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	1,101		12,947		428		14,476		733		—		809		1,542
Hotel & motel	1,761		736		3,241		5,738		153		—		5,215		5,368
Gas station & car wash	—		—		31		31		—		—		31		31
Mixed use	—		178		—		178		—		—		—		—
Industrial & warehouse	2,407		601		1,922		4,930		1,465		—		1,922		3,387
Other	3,395		5,097		2,558		11,050		1,837		—		2,405		4,242
Real estate—construction	6,960		—		—		6,960		—		—		—		—
Commercial business	4,436		6,870		6,112		17,418		5,500		435		7,003		12,938
Trade finance	—		1,253		1,623		2,876		1,036		—		1,661		2,697
Consumer and other	17,067		96		753		17,916		16,413		140		247		16,800
Subtotal	$	37,127	$	27,778	$	16,668	$	81,573	$	27,137	$	575	$	19,293	$	47,005
Acquired Loans: (1)
Real estate—residential	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Real estate—commercial
Retail	28		4,378		772		5,178		347		—		602		949
Hotel & motel	—		—		4,470		4,470		—		—		5,206		5,206
Gas station & car wash	—		—		221		221		154		—		221		375
Mixed use	437		2,688		1,216		4,341		107		—		1,034		1,141
Industrial & warehouse	377		—		93		470		142		—		119		261
Other	868		472		133		1,473		183		219		—		402
Real estate—construction	—		—		—		—		—		—		—		—
Commercial business	554		—		797		1,351		397		613		253		1,263
Trade finance	—		—		—		—		—		—		—		—
Consumer and other	972		—		268		1,240		—		—		334		334
Subtotal	$	3,236	$	7,538	$	7,970	$	18,744	$	1,330	$	832	$	7,769	$	9,931
Total Past Due	$	40,363	$	35,316	$	24,638	$	100,317	$	28,467	$	1,407	$	27,062	$	56,936

__________________________________

⁽¹⁾  Acquired Loans exclude PCI loans.

Risk Category of Loans by Class of Loans

The following tables present the recorded investment of risk ratings for Legacy and Acquired Loans as of March 31, 2019 and December 31, 2018 by class of loans:

	As of March 31, 2019
	Pass/ Not Rated		Special Mention		Substandard		Doubtful		Total
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	43,214	$	—	$	542	$	—	$	43,756
Real estate—commercial
Retail	1,787,236		38,536		46,468		—		1,872,240
Hotel & motel	1,393,791		19,920		17,351		—		1,431,062
Gas station & car wash	816,235		2,785		2,152		—		821,172
Mixed use	554,637		12,401		13,200		—		580,238
Industrial & warehouse	716,760		1,655		37,160		—		755,575
Other	1,358,796		29,603		42,319		—		1,430,718
Real estate—construction	228,815		18,671		—		—		247,486
Commercial business	1,970,125		31,097		58,294		351		2,059,867
Trade finance	163,965		—		5,242		—		169,207
Consumer and other	872,202		3		783		—		872,988
Subtotal	$	9,905,776	$	154,671	$	223,511	$	351	$	10,284,309
Acquired Loans:
Real estate—residential	$	5,151	$	390	$	336	$	—	$	5,877
Real estate—commercial
Retail	434,314		3,691		25,042		—		463,047
Hotel & motel	173,408		300		18,051		—		191,759
Gas station & car wash	134,400		218		6,054		—		140,672
Mixed use	76,806		20,674		8,327		—		105,807
Industrial & warehouse	167,852		4,256		19,820		218		192,146
Other	372,168		11,201		28,559		—		411,928
Real estate—construction	13,049		9,302		—		—		22,351
Commercial business	81,554		640		16,363		—		98,557
Trade finance	—		—		3,066		—		3,066
Consumer and other	130,545		30		3,504		—		134,079
Subtotal	$	1,589,247	$	50,702	$	129,122	$	218	$	1,769,289
Total	$	11,495,023	$	205,373	$	352,633	$	569	$	12,053,598

	As of December 31, 2018
	Pass/ Not Rated		Special Mention		Substandard		Doubtful		Total
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	$	44,066	$	—	$	546	$	—	$	44,612
Real estate—commercial
Retail	1,815,170		18,072		30,686		—		1,863,928
Hotel & motel	1,389,349		21,932		15,869		—		1,427,150
Gas station & car wash	814,291		2,810		2,464		—		819,565
Mixed use	510,021		12,480		13,292		—		535,793
Industrial & warehouse	711,236		1,665		38,332		—		751,233
Other	1,326,795		35,539		34,618		—		1,396,952
Real estate—construction	227,231		10,904		—		—		238,135
Commercial business	1,944,783		18,220		54,688		—		2,017,691
Trade finance	191,508		—		2,558		—		194,066
Consumer and other	910,292		—		441		—		910,733
Subtotal	$	9,884,742	$	121,622	$	193,494	$	—	$	10,199,858
Acquired Loans:
Real estate—residential	$	5,812	$	393	$	380	$	—	$	6,585
Real estate—commercial
Retail	483,939		4,651		17,332		35		505,957
Hotel & motel	186,761		807		19,472		—		207,040
Gas station & car wash	148,702		274		6,032		—		155,008
Mixed use	77,100		3,986		8,151		—		89,237
Industrial & warehouse	171,574		9,451		18,071		223		199,319
Other	402,247		12,902		28,996		—		444,145
Real estate—construction	29,058		7,883		—		—		36,941
Commercial business	89,611		1,083		19,237		8		109,939
Trade finance	—		—		3,124		—		3,124
Consumer and other	136,944		37		3,626		146		140,753
Subtotal	$	1,731,748	$	41,467	$	124,421	$	412	$	1,898,048
Total	$	11,616,490	$	163,089	$	317,915	$	412	$	12,097,906

Loans Sold From Loans Held For Investment

The breakdown of loans by type that were reclassified from held for investment to held for sale for the three months ended March 31, 2019 and 2018 is presented in the following table:

	Three Months Ended March 31,
	2019		2018
Transfer of loans held for investment to held for sale	(Dollars in thousands)
Consumer	$	33,390	$	6,155

Allowance for Loan Losses and Impaired Loans, Qualitative and Quantitative Analysis

The following table presents breakdown of loans by impairment method at March 31, 2019 and December 31, 2018:

	As of March 31, 2019
	Real Estate - Residential			Real Estate - Commercial			Real Estate - Construction			Commercial Business			Trade Finance			Consumer and Other			Total
	(Dollars in thousands)
Impaired loans (recorded investment)	$	—		$	83,202		$	—		$	38,804		$	8,409		$	1,735		$	132,150
Specific allowance	$	—		$	456		$	—		$	6,332		$	—		$	9		$	6,797
Specific allowance to impaired loans	N/A			0.55		%	N/A			16.32		%	N/A			0.52		%	5.14		%
Other loans	$	49,633		$	8,313,162		$	269,837		$	2,119,620		$	163,864		$	1,005,332		$	11,921,448
General allowance	$	145		$	51,035		$	1,501		$	26,044		$	698		$	7,997		$	87,420
General allowance to other loans	0.29		%	0.61		%	0.56		%	1.23		%	0.43		%	0.80		%	0.73		%
Total loans	$	49,633		$	8,396,364		$	269,837		$	2,158,424		$	172,273		$	1,007,067		$	12,053,598
Total allowance for loan losses	$	145		$	51,491		$	1,501		$	32,376		$	698		$	8,006		$	94,217
Total allowance to total loans	0.29		%	0.61		%	0.56		%	1.50		%	0.41		%	0.79		%	0.78		%

	As of December 31, 2018
	Real Estate - Residential			Real Estate - Commercial			Real Estate - Construction			Commercial Business			Trade Finance			Consumer and Other			Total
	(Dollars in thousands)
Impaired loans (recorded investment)	$	—		$	58,056		$	—		$	35,358		$	9,011		$	1,582		$	104,007
Specific allowance	$	—		$	437		$	—		$	4,351		$	—		$	3		$	4,791
Specific allowance to impaired loans	N/A			0.75		%	N/A			12.31		%	N/A			0.19		%	4.61		%
Other loans	$	51,197		$	8,337,271		$	275,076		$	2,092,272		$	188,179		$	1,049,904		$	11,993,899
General allowance	$	112		$	55,453		$	765		$	23,414		$	719		$	7,303		$	87,766
General allowance to other loans	0.22		%	0.67		%	0.28		%	1.12		%	0.38		%	0.70		%	0.73		%
Total loans	$	51,197		$	8,395,327		$	275,076		$	2,127,630		$	197,190		$	1,051,486		$	12,097,906
Total allowance for loan losses	$	112		$	55,890		$	765		$	27,765		$	719		$	7,306		$	92,557
Total allowance to total loans	0.22		%	0.67		%	0.28		%	1.30		%	0.36		%	0.69		%	0.77		%

Troubled Debt Restructurings

The following tables present the recorded investment of loans classified as TDR during the three months ended March 31, 2019 and 2018 by class of loans:

	Three Months Ended March 31, 2019					Three Months Ended March 31, 2018
	Number of Loans	Pre- Modification		Post- Modification		Number of Loans	Pre- Modification		Post- Modification
	(Dollars in thousands)
Legacy Loans:
Real estate—residential	—	$	—	$	—	—	$	—	$	—
Real estate—commercial
Retail	—	—		—		1	15		15
Hotel & motel	1	152		152		—	—		—
Gas station & car wash	—	—		—		—	—		—
Mixed use	—	—		—		—	—		—
Industrial & warehouse	—	—		—		1	2,113		2,113
Other	1	140		140		1	1,240		1,240
Real estate—construction	—	—		—		—	—		—
Commercial business	6	5,357		5,357		3	3,659		3,659
Trade finance	—	—		—		—	—		—
Consumer and other	6	33		33		—	—		—
Subtotal	14	$	5,682	$	5,682	6	$	7,027	$	7,027
Acquired Loans:
Real estate—residential	—	$	—	$	—	—	$	—	$	—
Real estate—commercial
Retail	1	101		101		1	213		213
Hotel & motel	—	—		—		—	—		—
Gas station & car wash	—	—		—		—	—		—
Mixed use	—	—		—		1	2,725		2,725
Industrial & warehouse	—	—		—		—	—		—
Other	—	—		—		1	1,055		1,055
Real estate—construction	—	—		—		—	—		—
Commercial business	1	50		50		2	133		133
Trade finance	—	—		—		—	—		—
Consumer and other	—	—		—		—	—		—
Subtotal	2	$	151	$	151	5	$	4,126	$	4,126
Total	16	$	5,833	$	5,833	11	$	11,153	$	11,153

A summary of the recorded investment of TDR loans on accrual and nonaccrual status by type of concession as of March 31, 2019 and December 31, 2018 is presented below:

	As of March 31, 2019
	TDR Loans on Accrual Status								TDR Loans on Nonaccrual Status								Total TDRs
	Real Estate		Commercial Business		Other		Total		Real Estate		Commercial Business		Other		Total
	(Dollars in thousands)
Payment concession	$	5,088	$	930	$	33	$	6,051	$	2,583	$	508	$	—	$	3,091	$	9,142
Maturity / amortization concession	14,932		10,911		5,924		31,767		2,688		14,976		958		18,622		50,389
Rate concession	4,843		2,442		101		7,386		395		—		—		395		7,781
Total	$	24,863	$	14,283	$	6,058	$	45,204	$	5,666	$	15,484	$	958	$	22,108	$	67,312

	As of December 31, 2018
	TDR Loans on Accrual Status								TDR Loans on Nonaccrual Status								Total TDRs
	Real Estate		Commercial Business		Other		Total		Real Estate		Commercial Business		Other		Total
	(Dollars in thousands)
Payment concession	$	5,142	$	961	$	—	$	6,103	$	2,216	$	746	$	—	$	2,962	$	9,065
Maturity / amortization concession	14,012		17,257		7,391		38,660		—		10,166		73		10,239		48,899
Rate concession	4,872		672		103		5,647		401		—		—		401		6,048
Total	$	24,026	$	18,890	$	7,494	$	50,410	$	2,617	$	10,912	$	73	$	13,602	$	64,012

Summary of Troubled Debt Restructurings with Subsequent Payment Default

The following table presents loans modified as TDRs within the previous twelve months ended March 31, 2019 and March 31, 2018 that subsequently had payment defaults during the three months ended March 31, 2019 and March 31, 2018:

	Three Months Ended March 31, 2019			Three Months Ended March 31, 2018
	Number of Loans	Balance		Number of Loans	Balance
	(Dollars in thousands)
Legacy Loans:
Real estate—commercial
Retail	1	$	48	1	$	625
Hotel & motel	—	—		—	—
Gas station & car wash	—	—		—	—
Mixed Use	—	—		—	—
Industrial & warehouse	—	—		—	—
Other	—	—		—	—
Real estate—construction	—	—		—	—
Commercial business	2	4,030		—	—
Trade finance	1	898		—	—
Consumer and other	1	5		—	—
Subtotal	5	$	4,981	1	$	625
Acquired Loans:
Real estate—commercial
Retail	—	$	—	—	$	—
Hotel & motel	1	73		—	—
Gas station & car wash	—	—		—	—
Mixed Use	—	—		—	—
Industrial & warehouse	1	236		—	—
Other	—	—		1	3,042
Real estate—construction	—	—		—	—
Commercial business	4	383		—	—
Trade finance	—	—		—	—
Consumer and other	—	—		—	—
Subtotal	6	$	692	1	$	3,042
Total	11	$	5,673	2	$	3,667

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Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Summary of Net Lease Cost and Other Information

The table below summarizes other information related to the Company’s operating leases:

	Three months ended March 31, 2019
	(Dollars in thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	3,663
Right-of-use assets obtained in exchange for lease liabilities, net	62,360
Weighted-average remaining lease term - operating leases	6.2 years
Weighted-average discount rate - operating leases	3.20	%

The table below summarizes the Company’s net lease cost:

	Three months ended March 31, 2019
	(Dollars in thousands)
Operating lease cost	$	4,123
Short term lease cost	9
Variable lease cost	703
Sublease income	(157		)
Net lease cost	$	4,678

Summary of Maturity of Remaining Lease Liabilities

The table below summarizes the maturity of remaining lease liabilities:

	March 31, 2019
	(Dollars in thousands)
2019	$	10,788
2020	12,996
2021	12,135
2022	8,178
2023	6,160
2024 and thereafter	19,691
Total lease payments	69,948
Less: imputed interest	7,115
Total lease obligations	$	62,833

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Borrowings (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Contractual Maturities for FHLB-SF Borrowings

At March 31, 2019, the contractual maturities for FHLB advances were as follows:

	March 31, 2019
Scheduled maturities in:	(Dollars in thousands)
2019	$	245,000
2020	185,000
2021	145,000
2022	145,000
Total	$	720,000

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Subordinated Debentures and Convertible Notes (Tables)

3 Months Ended

Mar. 31, 2019

Subordinated Borrowings [Abstract]

Summary of Trust Preferred Securities and Debentures

The following table is a summary of trust preferred securities and Debentures at March 31, 2019:

Issuance Trust	Issuance Date	Trust Preferred Security Amount		Carrying Value of Debentures		Rate Type	Current Rate	Maturity Date
		(Dollars in thousands)
Nara Capital Trust III	06/05/2003	$	5,000	$	5,155	Variable	5.76%	06/15/2033
Nara Statutory Trust IV	12/22/2003	5,000		5,155		Variable	5.64%	01/07/2034
Nara Statutory Trust V	12/17/2003	10,000		10,310		Variable	5.56%	12/17/2033
Nara Statutory Trust VI	03/22/2007	8,000		8,248		Variable	4.26%	06/15/2037
Center Capital Trust I	12/30/2003	18,000		14,076		Variable	5.64%	01/07/2034
Wilshire Trust II	03/17/2005	20,000		15,580		Variable	4.40%	03/17/2035
Wilshire Trust III	09/15/2005	15,000		10,994		Variable	4.01%	09/15/2035
Wilshire Trust IV	07/10/2007	25,000		17,828		Variable	3.99%	09/15/2037
Saehan Capital Trust I	03/30/2007	20,000		14,855		Variable	4.21%	06/30/2037
Total		$	126,000	$	102,201

Convertible Debt

The value of the convertible note at issuance and carrying value as of March 31, 2019 and December 31, 2018 is presented in the tables below:

					As of March 31, 2019
	Amortization/ Capitalization Period	Gross Carrying Amount			Accumulated Amortization / Capitalization		Carrying Amount
		(Dollars in thousands)
Convertible notes principal balance		$	217,500		$	—	$	217,500
Discount	5 years	(21,880		)	3,557		(18,323		)
Issuance costs to be capitalized	5 years	(4,119		)	696		(3,423		)
Carrying balance of convertible notes		$	191,501		$	4,253	$	195,754

					As of December 31, 2018
	Amortization/ Capitalization Period	Gross Carrying Amount			Accumulated Amortization / Capitalization		Carrying Amount
		(Dollars in thousands)
Convertible notes principal balance		$	217,500		$	—	$	217,500
Discount	5 years	(21,880		)	2,544		(19,336		)
Issuance costs to be capitalized	5 years	(4,119		)	498		(3,621		)
Carrying balance of convertible notes		$	191,501		$	3,042	$	194,543

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Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

At March 31, 2019 and December 31, 2018, interest rate swaps related to the Company’s loan hedging program that were outstanding is presented in the following table:

	March 31, 2019			December 31, 2018
	(Dollars in thousands)
Interest rate swaps on loans with correspondent banks (included in other assets)
Notional amount	$	124,318		$	36,972
Weighted average remaining term (years)	7.2			6.4
Received fixed rate (weighted average)	4.78		%	5.12		%
Pay variable rate (weighted average)	4.78		%	4.56		%
Estimated fair value	$	2,173		$	868
Interest rate swaps on loans with correspondent banks (included in other liabilities)
Notional amount	$	152,212		$	237,916
Weighted average remaining term (years)	6.0			6.8
Received variable rate (weighted average)	4.22		%	4.36		%
Pay fixed rate (weighted average)	4.96		%	4.69		%
Estimated fair value	$	2,967		$	6,191
Back to back interest rate swaps with loan customers (included in other liabilities)
Notional amount	$	124,318		$	36,972
Weighted average remaining term (years)	7.2			6.4
Received fixed rate (weighted average)	4.78		%	4.56		%
Pay variable rate (weighted average)	4.78		%	5.12		%
Estimated fair value	$	2,173		$	868
Back to back interest rate swaps with loan customers (included in other assets)
Notional amount	$	152,212		$	237,916
Weighted average remaining term (years)	6.0			6.8
Received variable rate (weighted average)	4.96		%	4.69		%
Pay fixed rate (weighted average)	4.22		%	4.36		%
Estimated fair value	$	2,967		$	6,191

Schedule of Derivative Instruments

The following table reflects the notional amount and fair value of mortgage banking derivatives for the dates indicated:

	As of March 31, 2019				As of December 31, 2018
	Notional Amount		Fair Value		Notional Amount		Fair Value
	(Dollars in thousands)
Assets:
Interest rate lock commitments	$	9,415	$	76	$	874	$	10
Forward sale contracts related to mortgage banking	$	4,390	$	9	$	—	$	—
Liabilities:
Interest rate lock commitments	$	3,020	$	2	$	—	$	—
Forward sale contracts related to mortgage banking	$	8,045	$	35	$	874	$	3

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Commitments and contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments

Commitments at March 31, 2019 and December 31, 2018 are summarized as follows:

	March 31, 2019		December 31, 2018
	(Dollars in thousands)
Commitments to extend credit	$	1,812,992	$	1,712,032
Standby letters of credit	72,049		69,763
Other letters of credit	64,553		65,822
Commitments to fund investments in affordable housing partnerships	40,709		46,507
Interest rate lock	12,435		874
Forward sale commitments	12,435		874

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Goodwill, Intangible Assets, and Servicing Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The following table provides information regarding the core deposit intangibles at March 31, 2019 and December 31, 2018:

				As of March 31, 2019					As of December 31, 2018
Core Deposit Intangibles Related To:	Amortization Period	Gross Amount		Accumulated Amortization			Carrying Amount		Accumulated Amortization			Carrying Amount
		(Dollars in thousands)
Center Financial acquisition	7 years	$	4,100	$	(4,100	)	$	—	$	(4,100	)	$	—
Pacific International Bank acquisition	7 years	604		(585		)	19		(579		)	25
Foster Bankshares acquisition	10 years	2,763		(1,950		)	813		(1,893		)	870
Wilshire Bancorp acquisition	10 years	18,138		(5,466		)	12,672		(4,972		)	13,166
Total		$	25,605	$	(12,101	)	$	13,504	$	(11,544	)	$	14,061

Schedule of Servicing Assets

The changes in servicing assets for the three months ended March 31, 2019 and 2018 were as follows:

	Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	23,132		$	24,710
Additions through originations of servicing assets	327			1,716
Amortization	(2,052		)	(1,560		)
Balance at end of period	$	21,407		$	24,866

Summary of Fair Value Inputs

The inputs used in evaluating servicing assets for impairment at March 31, 2019 and December 31, 2018 are presented below.

	March 31, 2019	December 31, 2018
SBA Servicing Assets:
Weighted-average discount rate	11.48%	11.23%
Constant prepayment rate	12.28%	11.09%
Mortgage Servicing Assets:
Weighted-average discount rate	9.75%	10.25%
Constant prepayment rate	8.74%	7.13%

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized below:

			Fair Value Measurements at the End of the Reporting Period Using
	March 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Securities available for sale:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	872,297	$	—	$	872,297	$	—
Mortgage-backed securities:
Residential	394,541		—		394,541		—
Commercial	471,259		—		471,259		—
Corporate securities	3,986		—		3,986		—
Municipal securities	76,260		—		75,192		1,068
Equity investments with readily determinable fair value	24,319		24,319		—		—
Interest rate swaps	5,140		—		5,140		—
Mortgage banking derivatives	85		—		85		—
Liabilities:
Interest rate swaps	5,140		—		5,140		—
Mortgage banking derivatives	37		—		37		—

			Fair Value Measurements at the End of the Reporting Period Using
	December 31, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Securities available for sale:
U.S. Government agency and U.S. Government sponsored enterprises:
Collateralized mortgage obligations	$	895,122	$	—	$	895,122	$	—
Mortgage-backed securities:
Residential	402,605		—		402,605		—
Commercial	469,126		—		469,126		—
Corporate securities	3,826		—		3,826		—
Municipal securities	75,586		—		74,527		1,059
Equity investments with readily determinable fair value	23,405		23,405		—		—
Interest rate swaps	7,059		—		7,059		—
Mortgage banking derivatives	10		—		10		—
Liabilities:
Interest rate swaps	7,059		—		7,059		—
Mortgage banking derivatives	3		—		3		—

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The table below presents a reconciliation and income statement classification of losses for all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019		2018
	(Dollars in thousands)
Beginning Balance	$	1,059	$	1,108
Total losses included in other comprehensive income (loss)	9		(29		)
Ending Balance	$	1,068	$	1,079

Assets Measured at Fair Value on a Non-recurring Basis

Assets measured at fair value on a non-recurring basis are summarized below:

			Fair Value Measurements at the End of the Reporting Period Using
	March 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	9,518	$	—	$	—	$	9,518
Commercial business	15,874		—		—		15,874
Trade finance	101		—		—		101
OREO	5,111		—		—		5,111

			Fair Value Measurements at the End of the Reporting Period Using
	December 31, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	9,379	$	—	$	—	$	9,379
Commercial business	9,951		—		—		9,951
Consumer	66		—		—		66
OREO	5,659		—		—		5,659

For assets measured at fair value on a non-recurring basis, the total net gains (losses), which include charge offs, recoveries, specific reserves, and recognized gains and losses on sales are summarized below:

	For the Three Months Ended March 31,
	2019			2018
	(Dollars in thousands)
Assets:
Impaired loans at fair value:
Real estate loans	$	1,048		$	(5,572	)
Commercial business	(3,231		)	(899		)
Trade Finance	—			15
Consumer	(285		)	(315		)
OREO	62			72

Carrying Amounts and Estimated Fair Values of Financial Instruments

Carrying amounts and estimated fair values of financial instruments, not previously presented, at March 31, 2019 and December 31, 2018 were as follows:

	March 31, 2019
	Carrying Amount		Estimated Fair Value		Fair Value Measurement Using
	(Dollars in thousands)
Financial Assets:
Cash and cash equivalents	$	612,884	$	612,884	Level 1
Interest bearing deposits in other financial institutions	30,141		30,148		Level 2
Equity investments without readily determinable fair values	26,554		26,554		Level 2
Loans held for sale	921		931		Level 2
Loans receivable—net	11,959,787		11,755,447		Level 3
Accrued interest receivable	34,831		34,831		Level 2/3
Servicing assets, net	21,407		22,971		Level 3
Customers’ liabilities on acceptances	1,896		1,896		Level 2
Financial Liabilities:
Noninterest bearing deposits	$	2,948,751	$	2,948,751	Level 2
Saving and other interest bearing demand deposits	3,310,482		3,310,482		Level 2
Time deposits	5,989,963		6,075,173		Level 2
FHLB advances	720,000		715,922		Level 2
Convertible notes, net	195,754		191,437		Level 1
Subordinated debentures	102,201		117,726		Level 2
Accrued interest payable	37,511		37,511		Level 2
Acceptances outstanding	1,896		1,896		Level 2
	December 31, 2018
	Carrying Amount		Estimated Fair Value		Fair Value Measurement Using
	(Dollars in thousands)
Financial Assets:
Cash and cash equivalents	$	459,606	$	459,606	Level 1
Interest bearing deposits in other financial institutions	29,409		29,374		Level 2
Equity investments without readily determinable fair values	26,430		26,430		Level 2
Loans held for sale	25,128		25,943		Level 2
Loans receivable—net	12,005,558		11,913,906		Level 3
Accrued interest receivable	32,225		32,225		Level 2/3
Servicing assets, net	23,132		24,762		Level 3
Customers’ liabilities on acceptances	2,281		2,281		Level 2
Financial Liabilities:
Noninterest bearing deposits	$	3,022,633	$	3,022,633	Level 2
Saving and other interest bearing demand deposits	3,262,399		3,262,399		Level 2
Time deposits	5,870,624		5,889,030		Level 2
FHLB advances	821,280		810,812		Level 2
Convertible debt	194,543		180,525		Level 1
Subordinated debentures	101,929		116,542		Level 2
Accrued interest payable	31,374		31,374		Level 2
Acceptances outstanding	2,281		2,281		Level 2

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Stockholders’ Equity (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table presents the quarterly changes to accumulated other comprehensive (loss) income for the three months ended March 31, 2019 and March 31, 2018:

	Three Months Ended,
	March 31, 2019			March 31, 2018
	(Dollars in thousands)
Balance at beginning of period	$	(32,705	)	$	(21,781	)
Unrealized loss on securities available for sale and interest only strips	24,666			(24,649		)
Tax effect	(7,319		)	7,509
Total other comprehensive (loss) income	$	17,347		$	(17,140	)
Reclassification to retained earnings per ASU 2016-01	—			281
Balance at end of period	$	(15,358	)	$	(38,640	)

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Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2019

Banking and Thrift [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

The Company’s and the Bank’s levels and ratios are presented in the table below for the dates indicated:

	Actual				Required For Capital Adequacy Purposes				Minimum Capital Adequacy With Capital Conservation Buffer				Required To Be Well Capitalized Under Prompt Corrective Action Provisions
As of March 31, 2019	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Common equity Tier 1 capital (to risk weighted assets):
Company	$	1,485,917	11.59	%	$	576,761	4.50	%	$	897,184	7.00	%	N/A		N/A
Bank	$	1,764,757	13.77	%	$	576,718	4.50	%	$	897,117	7.00	%	$	833,037	6.50	%
Total capital (to risk-weighted assets):
Company	$	1,679,171	13.10	%	$	1,025,353	8.00	%	$	1,345,776	10.50	%	N/A		N/A
Bank	$	1,859,710	14.51	%	$	1,025,276	8.00	%	$	1,345,675	10.50	%	$	1,281,595	10.00	%
Tier 1 capital (to risk-weighted assets):
Company	$	1,584,218	12.36	%	$	769,015	6.00	%	$	1,089,438	8.50	%	N/A		N/A
Bank	$	1,764,757	13.77	%	$	768,957	6.00	%	$	897,117	8.50	%	$	1,025,276	8.00	%
Tier 1 capital (to average assets):
Company	$	1,584,218	10.66	%	$	594,301	4.00	%	N/A		N/A		N/A		N/A
Bank	$	1,764,757	11.88	%	$	594,392	4.00	%	N/A		N/A		$	742,990	5.00	%

	Actual				Required For Capital Adequacy Purposes				Minimum Capital Adequacy With Capital Conservation Buffer				Required To Be Well Capitalized Under Prompt Corrective Action Provisions
As of December 31, 2018	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
Common equity Tier 1 capital (to risk weighted assets):
Company	$	1,458,344	11.44	%	$	573,723	4.50	%	$	812,774	6.375	%	N/A		N/A
Bank	$	1,737,092	13.63	%	$	573,669	4.50	%	$	812,740	6.375	%	$	828,677	6.50	%
Total capital (to risk-weighted assets):
Company	$	1,649,664	12.94	%	$	1,019,952	8.00	%	$	1,259,004	9.875	%	N/A		N/A
Bank	$	1,830,385	14.36	%	$	1,019,910	8.00	%	$	1,258,951	9.875	%	$	1,274,887	10.00	%
Tier 1 capital (to risk-weighted assets):
Company	$	1,556,371	12.21	%	$	764,964	6.00	%	$	1,004,015	7.875	%	N/A		N/A
Bank	$	1,737,092	13.63	%	$	764,932	6.00	%	$	812,740	7.875	%	$	1,019,910	8.00	%
Tier 1 capital (to average assets):
Company	$	1,556,371	10.55	%	$	590,176	4.00	%	N/A		N/A		N/A		N/A
Bank	$	1,737,092	11.76	%	$	590,639	4.00	%	N/A		N/A		$	738,299	5.00	%

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Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Service charges on deposit accounts and wire transfers are summarized below:

	Three Months Ended March 31,
	2019		2018
	(Dollars in thousands)
Noninterest bearing deposit account income:
Monthly service charges	$	423	$	439
Customer analysis charges	1,723		2,024
NSF charges	1,941		2,091
Other service charges	214		233
Total noninterest bearing deposit account income	4,301		4,787
Interest bearing deposit account income:
Monthly service charges	16		14
Total service fees on deposit accounts	$	4,317	$	4,801
Wire transfer fee income:
Wire transfer fees	$	934	$	1,080
Foreign exchange fees	155		127
Total wire transfer fees	$	1,089	$	1,207

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Basis of Presentation (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) lease	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets, net	$ 62,360		$ 0
Operating lease liabilities	$ 62,833		$ 0
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated number of operating leases that will be accounted for under ASU 2016-02 | lease	96
Operating lease right-of-use assets, net		$ 64,300
Operating lease liabilities		$ 64,300

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Stock-Based Compensation - Plan Description (Details) - shares	3 Months Ended
	Mar. 31, 2019	Sep. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future grant (in shares)	772,010
Restricted stock, performance shares and performance units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock, restriction period	1 year
Time based vesting of grants | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock, restriction period	3 years
2016 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares initially available for grant to participants (in shares)		2,400,000
2016 Plan | Nonemployee director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term	10 years
2016 Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock, percent	100.00%
2016 Plan | ISOs, SARs, and NQSOs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term	10 years
2016 Plan | ISOs, SARs, and NQSOs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
2016 Plan | ISOs, SARs, and NQSOs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years

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Stock-Based Compensation - Stock Option Activity (Details) - Stock options $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares shares
Number of Shares
Outstanding - beginning of period (in shares) | shares	982,631
Granted (in shares) | shares	0
Exercised (in shares) | shares	0
Expired (in shares) | shares	(6,962)
Forfeited (in shares) | shares	(18,000)
Outstanding - end of period (in shares) | shares	957,669
Weighted- Average Exercise Price Per Share
Outstanding - beginning of period (in dollars per share) | $ / shares	$ 15.41
Granted (in dollars per share) | $ / shares	0.00
Exercised (in dollars per share) | $ / shares	0.00
Expired (in dollars per share) | $ / shares	15.79
Forfeited (in dollars per share) | $ / shares	17.18
Outstanding - end of period (in dollars per share) | $ / shares	$ 15.37
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options exercisable - end of period (in shares) | shares	770,659
Options exercisable, Weighted-Average Exercise Price Per Share (in dollars per share) | $ / shares	$ 15.00
Outstanding, Weighted-Average Remaining Contractual Life (Years)	6 years 1 month 28 days
Options exercisable, Weighted-Average Remaining Contractual Life (Years)	5 years 10 months 28 days
Outstanding, Aggregate Intrinsic Value | $	$ 850
Options exercisable, Aggregate Intrinsic Value | $	$ 850

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Stock-Based Compensation - Restricted and Performance Unit Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
ESPP compensation expense	$ 33	$ 148
Allocated share-based compensation expense	815	953
Tax benefit from compensation expense	$ 206	245
Retricted and performance unit activity
Number of Shares
Outstanding - beginning of period (in shares)	478,891
Granted (in shares)	384,854
Vested (in shares)	(24,956)
Forfeited (in shares)	(28,075)
Outstanding - end of period (in shares)	810,714
Weighted- Average Grant Date Fair Value
Outstanding - beginning of period (in dollars per share)	$ 16.37
Granted (in dollars per share)	13.67
Vested (in dollars per share)	15.57
Forfeited (in dollars per share)	16.31
Outstanding - end of period (in dollars per share)	$ 15.11
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Total compensation cost not yet recognized	$ 8,900
Total compensation cost not yet recognized, period for recognition	2 years 1 month 17 days
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Equity instruments other than options, vested in period	$ 347	$ 476
Stock options
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Total compensation cost not yet recognized	$ 381
Total compensation cost not yet recognized, period for recognition	2 years 4 months 24 days
Employee Stock Purchase Plan (ESPP)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Discount rate to the closing price, offering period	10.00%
Discount rate to the closing price, purchase date	10.00%
Maximum amount of common shares purchased under ESPP of employee's base salary, percent	20.00%
Cap amount for shares purchased per employee	$ 25

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Earnings Per Share (Details)		3 Months Ended			12 Months Ended
	Jun. 07, 2018 USD ($)	Mar. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) shares	Mar. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) shares	Sep. 20, 2018 USD ($)	Jun. 30, 2018 USD ($)	May 11, 2018 USD ($)	Apr. 26, 2018 USD ($)
Antidilutive Securities Excluded from Computation of Earnings Per Share
Share repurchase program, authorized amount | $						$ 50,000,000			$ 100,000,000.0
Common stock repurchased and recorded as treasury stock (in shares) | shares		5,565,696	3,436,757		9,002,453
Repurchase of treasury stock | $		$ 100,000,000	$ 50,000,000
Net Income (Numerator)
Basic EPS - common stock | $		42,758,000		$ 51,232,000
Diluted EPS - common stock | $		$ 42,758,000		$ 51,232,000
Weighted-Average Shares (Denominator)
Basic EPS - common stock (in shares) | shares		126,640,464		135,518,705
Effect of dilutive securities:
Stock options, restricted stock, and ESPP shares (in shares) | shares		179,208		296,557
Diluted EPS - common stock (shares) | shares		126,819,672		135,815,262
Earnings Per Share
Basic EPS - common stock (in dollars per share) | $ / shares		$ 0.34		$ 0.38
Diluted EPS - common stock (in dollars per share) | $ / shares		$ 0.34		$ 0.38
Convertible Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share
Aggregate principal amount issued | $		$ 217,500,000.0					$ 217,500,000.0	$ 200,000,000
Initial conversion rate	0.0450760	0.0450760
Repurchase of treasury stock | $	$ 76,000,000				$ 150,000,000
Stock options and restricted shares
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive shares of common stock | shares		969,871		308,258
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive shares of common stock | shares		0		20,520

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Equity Investment Securities - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Investment [Line Items]
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01			$ (188,000)
Equity investments with readily determinable fair value	$ 50,873,000	$ 49,835,000
Equity investments without readily determinable fair values	26,600,000	26,400,000
Equity investments without readily determinable fair values, impairment	0
Equity investments without readily determinable fair values, observable price changes	0
Mutual funds
Investment [Line Items]
Equity investments with readily determinable fair value	21,700,000	21,500,000
Equity stock in other institutions
Investment [Line Items]
Equity investments with readily determinable fair value	2,600,000	1,900,000
Correspondent bank stock
Investment [Line Items]
Equity investments without readily determinable fair values	370,000	370,000
Community development financial institutions
Investment [Line Items]
Equity investments without readily determinable fair values	1,000,000	1,000,000
Community reinvestment act investments
Investment [Line Items]
Equity investments without readily determinable fair values	$ 25,200,000	25,100,000
Retained earnings
Investment [Line Items]
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01		$ (469,000)	$ (469,000)

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Equity Investment Securities - Change in Fair Value of Equity Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Net change in fair value recorded during the period on equity investments with readily determinable fair value	$ 912	$ 3,519
Net change in fair value recorded on equity investments sold during the period	0	0
Net change in fair value on equity investments with readily determinable fair values	$ 912	$ 3,519

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Securities Available for Sale - Summary of Securities Available for Sale (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 1,841,099,000		$ 1,893,618,000
Gross Unrealized Gains	7,535,000		3,010,000
Gross Unrealized Losses	(30,291,000)		(50,363,000)
Estimated Fair Value	1,818,343,000		1,846,265,000
Unrealized losses on securities	15,358,000	$ 38,640,000	32,705,000	$ 21,781,000
Reclassifications out of accumulated other comprehensive (loss) income	0	$ 0
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01				(188,000)
Available-for-sale Securities
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses on securities	15,400,000		32,700,000
Retained earnings
Schedule of Available-for-sale Securities [Line Items]
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01			(469,000)	$ (469,000)
Collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	883,525,000		914,710,000
Gross Unrealized Gains	2,090,000		1,541,000
Gross Unrealized Losses	(13,318,000)		(21,129,000)
Estimated Fair Value	872,297,000		895,122,000
Residential
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	401,210,000		415,659,000
Gross Unrealized Gains	447,000		47,000
Gross Unrealized Losses	(7,116,000)		(13,101,000)
Estimated Fair Value	394,541,000		402,605,000
Commercial
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	474,979,000		481,081,000
Gross Unrealized Gains	4,159,000		1,024,000
Gross Unrealized Losses	(7,879,000)		(12,979,000)
Estimated Fair Value	471,259,000		469,126,000
Corporate securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	5,000,000		5,000,000
Gross Unrealized Gains	0		0
Gross Unrealized Losses	(1,014,000)		(1,174,000)
Estimated Fair Value	3,986,000		3,826,000
Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	76,385,000		77,168,000
Gross Unrealized Gains	839,000		398,000
Gross Unrealized Losses	(964,000)		(1,980,000)
Estimated Fair Value	$ 76,260,000		$ 75,586,000
Non-US Government and Agency Securities | Credit concentration risk | Stockholders' equity
Schedule of Available-for-sale Securities [Line Items]
Maximum exposure to any single issuer	10.00%		10.00%

XML

Securities Available for Sale - Amortized Cost and Estimated Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Amortized Cost
Due within one year	$ 750
Due after one year through five years	19,602
Due after five years through ten years	25,759
Due after ten years	35,274
Amortized Cost	1,841,099	$ 1,893,618
Estimated Fair Value
Due within one year	757
Due after one year through five years	19,845
Due after five years through ten years	26,205
Due after ten years	33,439
Estimated Fair Value	1,818,343	1,846,265
Carrying value of securities pledged to secure public deposits, pledged for various borrowings and for other purposes required or permitted by law	358,600	354,600
Collateralized mortgage obligations
Amortized Cost
Amortized Cost	883,525	914,710
Estimated Fair Value
No single maturity date	872,297
Estimated Fair Value	872,297	895,122
Residential
Amortized Cost
Amortized Cost	401,210	415,659
Estimated Fair Value
No single maturity date	394,541
Estimated Fair Value	394,541	402,605
Commercial
Amortized Cost
Amortized Cost	474,979	481,081
Estimated Fair Value
No single maturity date	471,259
Estimated Fair Value	471,259	469,126
Corporate securities
Amortized Cost
Amortized Cost	5,000	5,000
Estimated Fair Value
Estimated Fair Value	3,986	3,826
Municipal securities
Amortized Cost
Amortized Cost	76,385	77,168
Estimated Fair Value
Estimated Fair Value	$ 76,260	$ 75,586

XML

Securities Available for Sale - Aggregate Unrealized Losses and Fair Value (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Number of Securities
Less than 12 months | security	11	21
12 months or longer | security	172	198
Total | security	183	219
Fair Value
Less than 12 months	$ 31,145,000	$ 72,036,000
12 months or longer	1,354,926,000	1,422,127,000
Total	1,386,071,000	1,494,163,000
Gross Unrealized Losses
Less than 12 months	(46,000)	(366,000)
12 months or longer	(30,245,000)	(49,997,000)
Total	(30,291,000)	$ (50,363,000)
Collateralized mortgage obligations
Gross Unrealized Losses
12 months or longer	(13,300,000)
OTTI recognized	$ 0
Collateralized mortgage obligations
Number of Securities
Less than 12 months | security	2	1
12 months or longer | security	91	93
Total | security	93	94
Fair Value
Less than 12 months	$ 21,338,000	$ 8,041,000
12 months or longer	681,210,000	700,095,000
Total	702,548,000	708,136,000
Gross Unrealized Losses
Less than 12 months	(17,000)	(28,000)
12 months or longer	(13,301,000)	(21,101,000)
Total	$ (13,318,000)	$ (21,129,000)
Residential
Number of Securities
Less than 12 months | security	0	4
12 months or longer | security	44	45
Total | security	44	49
Fair Value
Less than 12 months	$ 0	$ 19,973,000
12 months or longer	351,534,000	363,334,000
Total	351,534,000	383,307,000
Gross Unrealized Losses
Less than 12 months	0	(37,000)
12 months or longer	(7,116,000)	(13,064,000)
Total	$ (7,116,000)	$ (13,101,000)
Commercial
Number of Securities
Less than 12 months | security	1	3
12 months or longer | security	25	27
Total | security	26	30
Fair Value
Less than 12 months	$ 5,756,000	$ 38,494,000
12 months or longer	295,061,000	312,428,000
Total	300,817,000	350,922,000
Gross Unrealized Losses
Less than 12 months	(14,000)	(218,000)
12 months or longer	(7,865,000)	(12,761,000)
Total	$ (7,879,000)	$ (12,979,000)
Corporate securities
Number of Securities
Less than 12 months | security	0	0
12 months or longer | security	1	1
Total | security	1	1
Fair Value
Less than 12 months	$ 0	$ 0
12 months or longer	3,986,000	3,826,000
Total	3,986,000	3,826,000
Gross Unrealized Losses
Less than 12 months	0	0
12 months or longer	(1,014,000)	(1,174,000)
Total	$ (1,014,000)	$ (1,174,000)
Municipal securities
Number of Securities
Less than 12 months | security	8	13
12 months or longer | security	11	32
Total | security	19	45
Fair Value
Less than 12 months	$ 4,051,000	$ 5,528,000
12 months or longer	23,135,000	42,444,000
Total	27,186,000	47,972,000
Gross Unrealized Losses
Less than 12 months	(15,000)	(83,000)
12 months or longer	(949,000)	(1,897,000)
Total	(964,000)	$ (1,980,000)
OTTI recognized	0
Mortgage-backed securities
Gross Unrealized Losses
12 months or longer	(15,000,000)
OTTI recognized	$ 0

XML

Loans Receivable and Allowance for Loan Losses - Schedule of Accounts, Notes, Loans and Financing Receivable (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Real estate loans:
Total loans outstanding	$ 12,053,598	$ 12,097,906
Deferred loan fees, net	406	209
Loans receivable	12,054,004	12,098,115
Allowance for loan losses	(94,217)	(92,557)	$ (86,461)	$ (84,541)
Loans receivable, net of allowance for loan losses	$ 11,959,787	12,005,558
Number of portfolio segments | segment	4
Real estate
Real estate loans:
Total loans outstanding	$ 8,715,834	8,721,600
Real estate | Residential
Real estate loans:
Total loans outstanding	49,633	51,197
Allowance for loan losses	(145)	(112)
Real estate | Commercial
Real estate loans:
Total loans outstanding	8,396,364	8,395,327
Allowance for loan losses	(51,491)	(55,890)
Real estate | Construction
Real estate loans:
Total loans outstanding	269,837	275,076
Allowance for loan losses	(1,501)	(765)
Commercial business
Real estate loans:
Total loans outstanding	2,158,424	2,127,630
Allowance for loan losses	(32,376)	(27,765)
Trade finance
Real estate loans:
Total loans outstanding	172,273	197,190
Allowance for loan losses	(698)	(719)
Consumer and other
Real estate loans:
Total loans outstanding	1,007,067	1,051,486
Allowance for loan losses	$ (8,006)	$ (7,306)

XML

Loans Receivable and Allowance for Loan Losses - Accretable Yield Movement Schedule on Acquired Credit Impaired Loans in Center Merger (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	$ 49,697	$ 55,002
Accretion	(5,834)	(5,772)
Reclassification from nonaccretable difference	3,501	5,616
Balance at end of period	$ 47,364	$ 54,846

XML

Loans Receivable and Allowance for Loan Losses - Allowance for Credit Losses on Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Dec. 31, 2018
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	$ 92,557	$ 84,541
Provision (credit) for loan losses	3,000	2,500
Loans charged off	(1,754)	(1,068)
Recoveries of charge offs	1,292	488
PCI allowance adjustment	(878)
Balance, end of period	94,217	86,461
Allowance for loan losses - Individually evaluated for impairment			$ 6,797	$ 4,791
Allowance for loan losses - Collectively evaluated for impairment			77,104	75,603
Allowance for loan losses - Total	92,557	84,541	94,217	92,557
Loans outstanding - Individually evaluated for impairment			132,150	104,007
Loans outstanding - Collectively evaluated for impairment			11,779,517	11,846,646
Loans outstanding - Total			12,053,598	12,097,906
Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	12,163
Balance, end of period	10,316
Allowance for loan losses - Total	12,163		10,316	12,163
Loans outstanding - PCI loans			49,100	57,900
Legacy Loans
Allowance for Loan Losses by Portfolio Segment
Loans outstanding - Total			10,284,309	10,199,858
Acquired Loans
Allowance for Loan Losses by Portfolio Segment
Provision (credit) for loan losses	(120)	(2,200)
Loans outstanding - Total			1,769,289	1,898,048
Real estate
Allowance for Loan Losses by Portfolio Segment
Loans outstanding - Total			8,715,834	8,721,600
Real estate | Legacy Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	49,446	45,360
Provision (credit) for loan losses	(4,658)	479
Loans charged off	(34)	(63)
Recoveries of charge offs	1,122	201
PCI allowance adjustment	0
Balance, end of period	45,876	45,977
Allowance for loan losses - Individually evaluated for impairment			211	176
Allowance for loan losses - Collectively evaluated for impairment			45,665	49,270
Allowance for loan losses - Total	49,446	45,360	45,876	49,446
Loans outstanding - Individually evaluated for impairment			59,938	39,976
Loans outstanding - Collectively evaluated for impairment			7,122,309	7,037,392
Loans outstanding - Total			7,182,247	7,077,368
Real estate | Legacy Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	0
Balance, end of period	0
Allowance for loan losses - Total	0		0	0
Real estate | Acquired Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	7,321	13,322
Provision (credit) for loan losses	(39)	(173)
Loans charged off	(26)	(102)
Recoveries of charge offs	5	1
PCI allowance adjustment	0
Balance, end of period	7,261	13,048
Allowance for loan losses - Individually evaluated for impairment			245	261
Allowance for loan losses - Collectively evaluated for impairment			1,786	1,264
Allowance for loan losses - Total	7,321	13,322	7,261	7,321
Loans outstanding - Individually evaluated for impairment			23,264	18,080
Loans outstanding - Collectively evaluated for impairment			1,394,669	1,507,858
Loans outstanding - Total			1,533,587	1,644,232
Real estate | Acquired Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	5,796
Balance, end of period	5,230
Allowance for loan losses - Total	5,796		5,230	5,796
Commercial business
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	27,765
Balance, end of period	32,376
Allowance for loan losses - Total	27,765		32,376	27,765
Loans outstanding - Total			2,158,424	2,127,630
Commercial business | Legacy Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	21,826	17,228
Provision (credit) for loan losses	6,621	3,289
Loans charged off	(1,160)	(342)
Recoveries of charge offs	89	212
PCI allowance adjustment	0
Balance, end of period	27,376	20,387
Allowance for loan losses - Individually evaluated for impairment			5,842	4,221
Allowance for loan losses - Collectively evaluated for impairment			21,534	17,605
Allowance for loan losses - Total	21,826	17,228	27,376	21,826
Loans outstanding - Individually evaluated for impairment			33,756	29,624
Loans outstanding - Collectively evaluated for impairment			2,026,111	1,988,067
Loans outstanding - Total			2,059,867	2,017,691
Commercial business | Legacy Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	0
Balance, end of period	0
Allowance for loan losses - Total	0		0	0
Commercial business | Acquired Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	5,939	3,527
Provision (credit) for loan losses	118	(2,046)
Loans charged off	(248)	(214)
Recoveries of charge offs	69	41
PCI allowance adjustment	(878)
Balance, end of period	5,000	1,308
Allowance for loan losses - Individually evaluated for impairment			490	130
Allowance for loan losses - Collectively evaluated for impairment			408	460
Allowance for loan losses - Total	5,939	3,527	5,000	5,939
Loans outstanding - Individually evaluated for impairment			5,048	5,734
Loans outstanding - Collectively evaluated for impairment			72,810	80,916
Loans outstanding - Total			98,557	109,939
Commercial business | Acquired Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	5,349
Balance, end of period	4,102
Allowance for loan losses - Total	5,349		4,102	5,349
Trade finance
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	719
Balance, end of period	698
Allowance for loan losses - Total	719		698	719
Loans outstanding - Total			172,273	197,190
Trade finance | Legacy Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	719	1,674
Provision (credit) for loan losses	(21)	81
Loans charged off	0	0
Recoveries of charge offs	0	12
PCI allowance adjustment	0
Balance, end of period	698	1,767
Allowance for loan losses - Individually evaluated for impairment			0	0
Allowance for loan losses - Collectively evaluated for impairment			698	719
Allowance for loan losses - Total	719	1,674	698	719
Loans outstanding - Individually evaluated for impairment			5,343	5,887
Loans outstanding - Collectively evaluated for impairment			163,864	188,179
Loans outstanding - Total			169,207	194,066
Trade finance | Legacy Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	0
Balance, end of period	0
Allowance for loan losses - Total	0		0	0
Trade finance | Acquired Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	0	42
Provision (credit) for loan losses	0	(4)
Loans charged off	0	0
Recoveries of charge offs	0	0
PCI allowance adjustment	0
Balance, end of period	0	38
Allowance for loan losses - Individually evaluated for impairment			0	0
Allowance for loan losses - Collectively evaluated for impairment			0	0
Allowance for loan losses - Total	0	42	0	0
Loans outstanding - Individually evaluated for impairment			3,066	3,124
Loans outstanding - Collectively evaluated for impairment			0	0
Loans outstanding - Total			3,066	3,124
Trade finance | Acquired Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	0
Balance, end of period	0
Allowance for loan losses - Total	0		0	0
Consumer and other
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	7,306
Balance, end of period	8,006
Allowance for loan losses - Total	7,306		8,006	7,306
Loans outstanding - Total			1,007,067	1,051,486
Consumer and other | Legacy Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	6,269	3,385
Provision (credit) for loan losses	938	877
Loans charged off	(210)	(347)
Recoveries of charge offs	7	19
PCI allowance adjustment	0
Balance, end of period	7,004	3,934
Allowance for loan losses - Individually evaluated for impairment			8	3
Allowance for loan losses - Collectively evaluated for impairment			6,996	6,266
Allowance for loan losses - Total	6,269	3,385	7,004	6,269
Loans outstanding - Individually evaluated for impairment			817	441
Loans outstanding - Collectively evaluated for impairment			872,171	910,292
Loans outstanding - Total			872,988	910,733
Consumer and other | Legacy Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	0
Balance, end of period	0
Allowance for loan losses - Total	0		0	0
Consumer and other | Acquired Loans
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	1,037	3
Provision (credit) for loan losses	41	(3)
Loans charged off	(76)	0
Recoveries of charge offs	0	2
PCI allowance adjustment	0
Balance, end of period	1,002	2
Allowance for loan losses - Individually evaluated for impairment			1	0
Allowance for loan losses - Collectively evaluated for impairment			17	19
Allowance for loan losses - Total	1,037	$ 3	1,002	1,037
Loans outstanding - Individually evaluated for impairment			918	1,141
Loans outstanding - Collectively evaluated for impairment			127,583	133,942
Loans outstanding - Total			134,079	140,753
Consumer and other | Acquired Loans | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses by Portfolio Segment
Balance, beginning of period	1,018
Balance, end of period	984
Allowance for loan losses - Total	$ 1,018		$ 984	$ 1,018

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Loans Receivable and Allowance for Loan Losses - Additional Information (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) loan loan_pool	Mar. 31, 2018 USD ($) loan	Dec. 31, 2018 USD ($)
Receivables [Abstract]
Commitment to lend	$ 736,000		$ 736,000
Credit for unfunded loan commitments	$ 0	$ (200,000)
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of non-homogeneous loan pools | loan_pool	19
Positive or negative qualitative adjustment of the Loss Migration Ratio	0.50%
Provision (credit) for loan losses	$ 3,000,000	2,500,000
Specific reserves TDRs	4,900,000		$ 3,000,000
Specific reserves	1,600,000	78,000
Charge offs	0	0
Specific reserves for the TDRs that had payment defaults	$ 134,000	$ 0
Number of Loans | loan	11	2
Balance	$ 5,673,000	$ 3,667,000
Acquired Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	(120,000)	(2,200,000)
Provision (credit) for PCI loan losses	$ (1,000,000)	(225,000)
Charge offs		$ 0
Number of Loans | loan	6	1
Balance	$ 692,000	$ 3,042,000
Acquired Loans | Real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ (39,000)	$ (173,000)
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Acquired Loans | Real estate | Payment concession
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans | loan	2	1
Balance	$ 309,000	$ 3,000,000
Acquired Loans | Commercial business
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ 118,000	$ (2,046,000)
Number of Loans | loan	4	0
Balance	$ 383,000	$ 0
Acquired Loans | Commercial business | Maturity / amortization concession
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans | loan	1
Balance	$ 133,000
Acquired Loans | Commercial business | Payment concession
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans | loan	3
Balance	$ 250,000
Acquired Loans | Trade finance
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ 0	$ (4,000)
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Acquired Loans | Consumer and other
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ 41,000	$ (3,000)
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Legacy Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Charge offs	$ 0
Number of Loans | loan	5	1
Balance	$ 4,981,000	$ 625,000
Legacy Loans | Real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ (4,658,000)	$ 479,000
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Legacy Loans | Real estate | Payment concession
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans | loan	1
Balance	$ 48,000
Legacy Loans | Commercial business
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ 6,621,000	$ 3,289,000
Number of Loans | loan	2	0
Balance	$ 4,030,000	$ 0
Legacy Loans | Commercial business | Maturity / amortization concession
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans | loan	2	1
Balance	$ 4,000,000	$ 625,000
Legacy Loans | Trade finance
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ (21,000)	$ 81,000
Number of Loans | loan	1	0
Balance	$ 898,000	$ 0
Legacy Loans | Trade finance | Maturity / amortization concession
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans | loan	1
Balance	$ 898,000
Legacy Loans | Consumer and other
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision (credit) for loan losses	$ 938,000	$ 877,000
Number of Loans | loan	1	0
Balance	$ 5,000	$ 0
Legacy Loans | Consumer and other | Payment concession
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of Loans | loan	1
Commercial real estate loan portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of non-homogeneous loan pools | loan_pool	14
Commercial and industrial loan portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of non-homogeneous loan pools | loan_pool	5
Doubtful or Loss
Financing Receivable, Allowance for Credit Losses [Line Items]
Scope for evaluation of individual impairment, minimum threshold	$ 500,000
Scope for evaluation of collective impairment, maximum threshold	$ 500,000

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Loans Receivable and Allowance for Loan Losses - Impaired Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	$ 44,013		$ 36,047
Recorded Investment, With no related allowance	88,137		67,960
Related Allowance	6,797		4,791
Impaired Loans, net of allowance	125,353		99,216
Total recorded investment	132,150		104,007
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	48,561		39,560
Unpaid Contractual Principal Balance, With no related allowance	112,317		93,141
Impaired Financing Receivable, Unpaid Principal Balance	160,878		132,701
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	40,030	$ 44,780
Average Recorded Investment, With no related allowance	78,049	69,656
Average Recorded Investment, Total	118,079	114,436
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	292	352
Interest Income Recognized during Impairment, With no related allowance	367	443
Interest Income Recognized during Impairment, Total	$ 659	795
Threshold period for loans to be placed on nonaccrual status	90 days
Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	$ 5,839		8,474
Recorded Investment, With no related allowance	26,457		19,605
Related Allowance	736		391
Total recorded investment	32,296		28,079
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	8,885		10,566
Unpaid Contractual Principal Balance, With no related allowance	33,506		26,593
Impaired Financing Receivable, Unpaid Principal Balance	42,391		37,159
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	7,157	11,984
Average Recorded Investment, With no related allowance	23,031	19,561
Average Recorded Investment, Total	30,188	31,545
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	46	134
Interest Income Recognized during Impairment, With no related allowance	164	150
Interest Income Recognized during Impairment, Total	210	284
Real estate | Residential
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	0		0
Recorded Investment, With no related allowance	0		0
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	0		0
Unpaid Contractual Principal Balance, With no related allowance	0		0
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	0	0
Average Recorded Investment, With no related allowance	0	0
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Residential | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	0		0
Recorded Investment, With no related allowance	0		0
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	0		0
Unpaid Contractual Principal Balance, With no related allowance	0		0
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	0	0
Average Recorded Investment, With no related allowance	0	0
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Commercial
Impaired Loans, Recorded Investment
Related Allowance	456		437
Real estate | Commercial | Retail
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	2,045		1,375
Recorded Investment, With no related allowance	24,581		8,005
Related Allowance	171		156
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	2,299		1,487
Unpaid Contractual Principal Balance, With no related allowance	27,047		11,234
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	1,710	3,458
Average Recorded Investment, With no related allowance	16,293	12,880
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	6	0
Interest Income Recognized during Impairment, With no related allowance	35	110
Real estate | Commercial | Retail | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	574		198
Recorded Investment, With no related allowance	7,533		3,285
Related Allowance	125		118
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	599		220
Unpaid Contractual Principal Balance, With no related allowance	8,350		4,151
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	386	384
Average Recorded Investment, With no related allowance	5,409	3,355
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	30	34
Real estate | Commercial | Hotel & motel
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	1,834		1,949
Recorded Investment, With no related allowance	9,756		10,877
Related Allowance	112		119
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	2,185		2,310
Unpaid Contractual Principal Balance, With no related allowance	20,349		22,590
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	1,891	2,878
Average Recorded Investment, With no related allowance	10,317	2,940
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	18
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Commercial | Hotel & motel | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	73		72
Recorded Investment, With no related allowance	5,392		5,428
Related Allowance	4		4
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	345		345
Unpaid Contractual Principal Balance, With no related allowance	6,853		6,874
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	73	85
Average Recorded Investment, With no related allowance	5,410	483
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Commercial | Gas station & car wash
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	0		0
Recorded Investment, With no related allowance	532		545
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	0		0
Unpaid Contractual Principal Balance, With no related allowance	3,640		3,653
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	0	0
Average Recorded Investment, With no related allowance	538	670
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	5	0
Real estate | Commercial | Gas station & car wash | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	0		0
Recorded Investment, With no related allowance	246		247
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	0		0
Unpaid Contractual Principal Balance, With no related allowance	2,673		2,673
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	0	0
Average Recorded Investment, With no related allowance	246	100
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Commercial | Mixed use
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	858		881
Recorded Investment, With no related allowance	7,216		7,048
Related Allowance	34		43
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	934		947
Unpaid Contractual Principal Balance, With no related allowance	7,329		7,058
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	870	1,635
Average Recorded Investment, With no related allowance	7,132	1,101
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	1	36
Interest Income Recognized during Impairment, With no related allowance	51	0
Real estate | Commercial | Mixed use | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	303		312
Recorded Investment, With no related allowance	3,903		3,722
Related Allowance	30		38
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	305		312
Unpaid Contractual Principal Balance, With no related allowance	4,008		3,726
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	307	1,544
Average Recorded Investment, With no related allowance	3,813	76
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	1	36
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Commercial | Industrial & warehouse
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	7,589		1,305
Recorded Investment, With no related allowance	10,052		12,343
Related Allowance	124		93
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	8,556		2,139
Unpaid Contractual Principal Balance, With no related allowance	11,335		13,467
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	4,447	1,575
Average Recorded Investment, With no related allowance	11,198	10,518
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	92	23
Interest Income Recognized during Impairment, With no related allowance	51	64
Real estate | Commercial | Industrial & warehouse | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	236		230
Recorded Investment, With no related allowance	93		119
Related Allowance	82		88
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	1,033		1,050
Unpaid Contractual Principal Balance, With no related allowance	894		894
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	233	243
Average Recorded Investment, With no related allowance	106	454
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Commercial | Other
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	4,355		7,759
Recorded Investment, With no related allowance	14,384		5,969
Related Allowance	15		26
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	4,794		8,174
Unpaid Contractual Principal Balance, With no related allowance	15,570		7,122
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	6,057	6,894
Average Recorded Investment, With no related allowance	10,177	17,225
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	26	68
Interest Income Recognized during Impairment, With no related allowance	84	125
Real estate | Commercial | Other | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	543		3,454
Recorded Investment, With no related allowance	4,368		1,013
Related Allowance	4		13
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	543		3,454
Unpaid Contractual Principal Balance, With no related allowance	4,690		1,326
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	1,999	2,817
Average Recorded Investment, With no related allowance	2,690	6,785
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	3	68
Interest Income Recognized during Impairment, With no related allowance	66	57
Real estate | Construction
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	0		0
Recorded Investment, With no related allowance	0		0
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	0		0
Unpaid Contractual Principal Balance, With no related allowance	0		0
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	0	0
Average Recorded Investment, With no related allowance	0	1,300
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	0	0
Real estate | Construction | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	0		0
Recorded Investment, With no related allowance	0		0
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	0		0
Unpaid Contractual Principal Balance, With no related allowance	0		0
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	0	0
Average Recorded Investment, With no related allowance	0	0
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	0	0
Commercial business
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	26,278		22,203
Recorded Investment, With no related allowance	12,526		13,155
Related Allowance	6,332		4,351
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	28,739		23,928
Unpaid Contractual Principal Balance, With no related allowance	17,863		17,850
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	24,241	24,603
Average Recorded Investment, With no related allowance	12,840	18,204
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	164	149
Interest Income Recognized during Impairment, With no related allowance	44	94
Commercial business | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	3,974		4,064
Recorded Investment, With no related allowance	1,074		1,670
Related Allowance	490		130
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	5,924		5,041
Unpaid Contractual Principal Balance, With no related allowance	2,096		2,681
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	4,019	6,911
Average Recorded Investment, With no related allowance	1,372	3,916
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	40	30
Interest Income Recognized during Impairment, With no related allowance	17	13
Trade finance
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	101		0
Recorded Investment, With no related allowance	8,308		9,011
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	101		0
Unpaid Contractual Principal Balance, With no related allowance	8,308		9,011
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	50	3,229
Average Recorded Investment, With no related allowance	8,659	3,221
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	1	58
Interest Income Recognized during Impairment, With no related allowance	97	44
Trade finance | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	0		0
Recorded Investment, With no related allowance	3,066		3,124
Related Allowance	0		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	0		0
Unpaid Contractual Principal Balance, With no related allowance	3,066		3,124
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	0	0
Average Recorded Investment, With no related allowance	3,095	3,176
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	0	0
Interest Income Recognized during Impairment, With no related allowance	51	44
Consumer and other
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	953		575
Recorded Investment, With no related allowance	782		1,007
Related Allowance	9		3
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	953		575
Unpaid Contractual Principal Balance, With no related allowance	876		1,156
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	764	508
Average Recorded Investment, With no related allowance	895	1,597
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	2	0
Interest Income Recognized during Impairment, With no related allowance	0	6
Consumer and other | Acquired Loans
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	136		144
Recorded Investment, With no related allowance	782		997
Related Allowance	1		0
Impaired Loans, Unpaid Principal Balance
Unpaid Contractual Principal Balance, With related allowance	136		144
Unpaid Contractual Principal Balance, With no related allowance	876		1,144
Impaired Loans, Average Recorded Investment
Average Recorded Investment, With related allowance	140	0
Average Recorded Investment, With no related allowance	890	1,216
Impaired Loans, Interest Income Recognized during Impairment
Interest Income Recognized during Impairment, With related allowance	2	0
Interest Income Recognized during Impairment, With no related allowance	0	$ 2
WIthout charge-offs
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	42,912		35,365
Recorded Investment, With no related allowance	77,619		59,607
With charge-offs
Impaired Loans, Recorded Investment
Recorded Investment, With related allowance	1,101		681
Recorded Investment, With no related allowance	$ 10,518		$ 8,354

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Loans Receivable and Allowance for Loan Losses - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	$ 86,637	$ 53,286
Accruing loans past due 90 or more days	387	1,529
Guaranteed portion of delinquent SBA loans excluded from Nonaccrual loans	30,500	29,200
Past due loans	100,317	56,936
30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	40,363	28,467
60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	35,316	1,407
90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	24,638	27,062
Legacy Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	67,884	42,248
Accruing loans past due 90 or more days	387	243
Past due loans	81,573	47,005
Legacy Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	37,127	27,137
Legacy Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	27,778	575
Legacy Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	16,668	19,293
Acquired Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	18,753	11,038
Accruing loans past due 90 or more days	0	1,286
Past due loans	18,744	9,931
Acquired Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	3,236	1,330
Acquired Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	7,538	832
Acquired Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	7,970	7,769
Residential | Legacy Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Accruing loans past due 90 or more days	0	0
Residential | Acquired Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Accruing loans past due 90 or more days	0	0
Commercial | Legacy Loans | Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	17,879	5,153
Accruing loans past due 90 or more days	0	0
Commercial | Legacy Loans | Hotel & motel
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	6,125	7,325
Accruing loans past due 90 or more days	0	0
Commercial | Legacy Loans | Gas station & car wash
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	31	31
Accruing loans past due 90 or more days	0	0
Commercial | Legacy Loans | Mixed use
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	734	749
Accruing loans past due 90 or more days	0	0
Commercial | Legacy Loans | Industrial & warehouse
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	5,998	6,111
Accruing loans past due 90 or more days	0	0
Commercial | Legacy Loans | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	10,946	5,940
Accruing loans past due 90 or more days	0	0
Commercial | Acquired Loans | Retail
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	5,472	829
Accruing loans past due 90 or more days	0	0
Commercial | Acquired Loans | Hotel & motel
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	5,464	5,500
Accruing loans past due 90 or more days	0	1,286
Commercial | Acquired Loans | Gas station & car wash
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	246	247
Accruing loans past due 90 or more days	0	0
Commercial | Acquired Loans | Mixed use
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	4,087	1,224
Accruing loans past due 90 or more days	0	0
Commercial | Acquired Loans | Industrial & warehouse
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	329	349
Accruing loans past due 90 or more days	0	0
Commercial | Acquired Loans | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	719	259
Accruing loans past due 90 or more days	0	0
Construction | Legacy Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Accruing loans past due 90 or more days	0	0
Construction | Acquired Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Accruing loans past due 90 or more days	0	0
Commercial business | Legacy Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	22,867	14,837
Accruing loans past due 90 or more days	0	0
Past due loans	17,418	12,938
Commercial business | Legacy Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	4,436	5,500
Commercial business | Legacy Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	6,870	435
Commercial business | Legacy Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	6,112	7,003
Commercial business | Acquired Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,654	1,632
Accruing loans past due 90 or more days	0	0
Past due loans	1,351	1,263
Commercial business | Acquired Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	554	397
Commercial business | Acquired Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	613
Commercial business | Acquired Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	797	253
Trade finance | Legacy Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	2,521	1,661
Accruing loans past due 90 or more days	0	0
Past due loans	2,876	2,697
Trade finance | Legacy Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	1,036
Trade finance | Legacy Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	1,253	0
Trade finance | Legacy Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	1,623	1,661
Trade finance | Acquired Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Accruing loans past due 90 or more days	0	0
Past due loans	0	0
Trade finance | Acquired Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Trade finance | Acquired Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Trade finance | Acquired Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Consumer and other | Legacy Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	783	441
Accruing loans past due 90 or more days	387	243
Past due loans	17,916	16,800
Consumer and other | Legacy Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	17,067	16,413
Consumer and other | Legacy Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	96	140
Consumer and other | Legacy Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	753	247
Consumer and other | Acquired Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	782	998
Accruing loans past due 90 or more days	0	0
Past due loans	1,240	334
Consumer and other | Acquired Loans | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	972	0
Consumer and other | Acquired Loans | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Consumer and other | Acquired Loans | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	268	334
Real estate | Legacy Loans | Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Residential | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Residential | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Residential | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	6,960	0
Real estate | Legacy Loans | Construction | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	6,960	0
Real estate | Legacy Loans | Construction | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Construction | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Retail | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	14,476	1,542
Real estate | Legacy Loans | Retail | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	1,101	733
Real estate | Legacy Loans | Retail | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	12,947	0
Real estate | Legacy Loans | Retail | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	428	809
Real estate | Legacy Loans | Hotel & motel | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	5,738	5,368
Real estate | Legacy Loans | Hotel & motel | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	1,761	153
Real estate | Legacy Loans | Hotel & motel | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	736	0
Real estate | Legacy Loans | Hotel & motel | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	3,241	5,215
Real estate | Legacy Loans | Gas station & car wash | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	31	31
Real estate | Legacy Loans | Gas station & car wash | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Gas station & car wash | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Gas station & car wash | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	31	31
Real estate | Legacy Loans | Mixed use | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	178	0
Real estate | Legacy Loans | Mixed use | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Mixed use | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	178	0
Real estate | Legacy Loans | Mixed use | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Legacy Loans | Industrial & warehouse | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	4,930	3,387
Real estate | Legacy Loans | Industrial & warehouse | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	2,407	1,465
Real estate | Legacy Loans | Industrial & warehouse | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	601	0
Real estate | Legacy Loans | Industrial & warehouse | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	1,922	1,922
Real estate | Legacy Loans | Other | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	11,050	4,242
Real estate | Legacy Loans | Other | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	3,395	1,837
Real estate | Legacy Loans | Other | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	5,097	0
Real estate | Legacy Loans | Other | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	2,558	2,405
Real estate | Acquired Loans | Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Residential | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Residential | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Residential | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Construction | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Construction | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Construction | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Retail | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	5,178	949
Real estate | Acquired Loans | Retail | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	28	347
Real estate | Acquired Loans | Retail | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	4,378	0
Real estate | Acquired Loans | Retail | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	772	602
Real estate | Acquired Loans | Hotel & motel | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	4,470	5,206
Real estate | Acquired Loans | Hotel & motel | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Hotel & motel | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Hotel & motel | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	4,470	5,206
Real estate | Acquired Loans | Gas station & car wash | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	221	375
Real estate | Acquired Loans | Gas station & car wash | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	154
Real estate | Acquired Loans | Gas station & car wash | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Gas station & car wash | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	221	221
Real estate | Acquired Loans | Mixed use | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	4,341	1,141
Real estate | Acquired Loans | Mixed use | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	437	107
Real estate | Acquired Loans | Mixed use | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	2,688	0
Real estate | Acquired Loans | Mixed use | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	1,216	1,034
Real estate | Acquired Loans | Industrial & warehouse | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	470	261
Real estate | Acquired Loans | Industrial & warehouse | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	377	142
Real estate | Acquired Loans | Industrial & warehouse | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	0	0
Real estate | Acquired Loans | Industrial & warehouse | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	93	119
Real estate | Acquired Loans | Other | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	1,473	402
Real estate | Acquired Loans | Other | Commercial | 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	868	183
Real estate | Acquired Loans | Other | Commercial | 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	472	219
Real estate | Acquired Loans | Other | Commercial | 90 or More Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans	$ 133	$ 0

XML

Loans Receivable and Allowance for Loan Losses - Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 12,053,598	$ 12,097,906
Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	11,495,023	11,616,490
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	205,373	163,089
Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	352,633	317,915
Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	569	412
Real estate
Financing Receivable, Recorded Investment [Line Items]
Loans	8,715,834	8,721,600
Real estate | Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	49,633	51,197
Real estate | Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	8,396,364	8,395,327
Real estate | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	269,837	275,076
Commercial business
Financing Receivable, Recorded Investment [Line Items]
Loans	2,158,424	2,127,630
Trade finance
Financing Receivable, Recorded Investment [Line Items]
Loans	172,273	197,190
Consumer and other
Financing Receivable, Recorded Investment [Line Items]
Loans	1,007,067	1,051,486
Legacy Loans
Financing Receivable, Recorded Investment [Line Items]
Loans	10,284,309	10,199,858
Legacy Loans | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	9,905,776	9,884,742
Legacy Loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	154,671	121,622
Legacy Loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	223,511	193,494
Legacy Loans | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	351	0
Legacy Loans | Real estate
Financing Receivable, Recorded Investment [Line Items]
Loans	7,182,247	7,077,368
Legacy Loans | Real estate | Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	43,756	44,612
Legacy Loans | Real estate | Residential | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	43,214	44,066
Legacy Loans | Real estate | Residential | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	542	546
Legacy Loans | Real estate | Residential | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Commercial | Retail
Financing Receivable, Recorded Investment [Line Items]
Loans	1,872,240	1,863,928
Legacy Loans | Real estate | Commercial | Retail | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	1,787,236	1,815,170
Legacy Loans | Real estate | Commercial | Retail | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	38,536	18,072
Legacy Loans | Real estate | Commercial | Retail | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	46,468	30,686
Legacy Loans | Real estate | Commercial | Retail | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Commercial | Hotel & motel
Financing Receivable, Recorded Investment [Line Items]
Loans	1,431,062	1,427,150
Legacy Loans | Real estate | Commercial | Hotel & motel | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	1,393,791	1,389,349
Legacy Loans | Real estate | Commercial | Hotel & motel | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	19,920	21,932
Legacy Loans | Real estate | Commercial | Hotel & motel | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	17,351	15,869
Legacy Loans | Real estate | Commercial | Hotel & motel | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Commercial | Gas station & car wash
Financing Receivable, Recorded Investment [Line Items]
Loans	821,172	819,565
Legacy Loans | Real estate | Commercial | Gas station & car wash | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	816,235	814,291
Legacy Loans | Real estate | Commercial | Gas station & car wash | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	2,785	2,810
Legacy Loans | Real estate | Commercial | Gas station & car wash | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	2,152	2,464
Legacy Loans | Real estate | Commercial | Gas station & car wash | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Commercial | Mixed use
Financing Receivable, Recorded Investment [Line Items]
Loans	580,238	535,793
Legacy Loans | Real estate | Commercial | Mixed use | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	554,637	510,021
Legacy Loans | Real estate | Commercial | Mixed use | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	12,401	12,480
Legacy Loans | Real estate | Commercial | Mixed use | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	13,200	13,292
Legacy Loans | Real estate | Commercial | Mixed use | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Commercial | Industrial & warehouse
Financing Receivable, Recorded Investment [Line Items]
Loans	755,575	751,233
Legacy Loans | Real estate | Commercial | Industrial & warehouse | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	716,760	711,236
Legacy Loans | Real estate | Commercial | Industrial & warehouse | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	1,655	1,665
Legacy Loans | Real estate | Commercial | Industrial & warehouse | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	37,160	38,332
Legacy Loans | Real estate | Commercial | Industrial & warehouse | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Commercial | Other
Financing Receivable, Recorded Investment [Line Items]
Loans	1,430,718	1,396,952
Legacy Loans | Real estate | Commercial | Other | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	1,358,796	1,326,795
Legacy Loans | Real estate | Commercial | Other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	29,603	35,539
Legacy Loans | Real estate | Commercial | Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	42,319	34,618
Legacy Loans | Real estate | Commercial | Other | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	247,486	238,135
Legacy Loans | Real estate | Construction | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	228,815	227,231
Legacy Loans | Real estate | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	18,671	10,904
Legacy Loans | Real estate | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Real estate | Construction | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Commercial business
Financing Receivable, Recorded Investment [Line Items]
Loans	2,059,867	2,017,691
Legacy Loans | Commercial business | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	1,970,125	1,944,783
Legacy Loans | Commercial business | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	31,097	18,220
Legacy Loans | Commercial business | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	58,294	54,688
Legacy Loans | Commercial business | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	351	0
Legacy Loans | Trade finance
Financing Receivable, Recorded Investment [Line Items]
Loans	169,207	194,066
Legacy Loans | Trade finance | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	163,965	191,508
Legacy Loans | Trade finance | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Trade finance | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	5,242	2,558
Legacy Loans | Trade finance | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Legacy Loans | Consumer and other
Financing Receivable, Recorded Investment [Line Items]
Loans	872,988	910,733
Legacy Loans | Consumer and other | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	872,202	910,292
Legacy Loans | Consumer and other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	3	0
Legacy Loans | Consumer and other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	783	441
Legacy Loans | Consumer and other | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans
Financing Receivable, Recorded Investment [Line Items]
Loans	1,769,289	1,898,048
Acquired Loans | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	1,589,247	1,731,748
Acquired Loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	50,702	41,467
Acquired Loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	129,122	124,421
Acquired Loans | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	218	412
Acquired Loans | Real estate
Financing Receivable, Recorded Investment [Line Items]
Loans	1,533,587	1,644,232
Acquired Loans | Real estate | Residential
Financing Receivable, Recorded Investment [Line Items]
Loans	5,877	6,585
Acquired Loans | Real estate | Residential | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	5,151	5,812
Acquired Loans | Real estate | Residential | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	390	393
Acquired Loans | Real estate | Residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	336	380
Acquired Loans | Real estate | Residential | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Real estate | Commercial | Retail
Financing Receivable, Recorded Investment [Line Items]
Loans	463,047	505,957
Acquired Loans | Real estate | Commercial | Retail | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	434,314	483,939
Acquired Loans | Real estate | Commercial | Retail | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	3,691	4,651
Acquired Loans | Real estate | Commercial | Retail | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	25,042	17,332
Acquired Loans | Real estate | Commercial | Retail | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	35
Acquired Loans | Real estate | Commercial | Hotel & motel
Financing Receivable, Recorded Investment [Line Items]
Loans	191,759	207,040
Acquired Loans | Real estate | Commercial | Hotel & motel | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	173,408	186,761
Acquired Loans | Real estate | Commercial | Hotel & motel | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	300	807
Acquired Loans | Real estate | Commercial | Hotel & motel | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	18,051	19,472
Acquired Loans | Real estate | Commercial | Hotel & motel | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Real estate | Commercial | Gas station & car wash
Financing Receivable, Recorded Investment [Line Items]
Loans	140,672	155,008
Acquired Loans | Real estate | Commercial | Gas station & car wash | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	134,400	148,702
Acquired Loans | Real estate | Commercial | Gas station & car wash | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	218	274
Acquired Loans | Real estate | Commercial | Gas station & car wash | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	6,054	6,032
Acquired Loans | Real estate | Commercial | Gas station & car wash | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Real estate | Commercial | Mixed use
Financing Receivable, Recorded Investment [Line Items]
Loans	105,807	89,237
Acquired Loans | Real estate | Commercial | Mixed use | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	76,806	77,100
Acquired Loans | Real estate | Commercial | Mixed use | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	20,674	3,986
Acquired Loans | Real estate | Commercial | Mixed use | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	8,327	8,151
Acquired Loans | Real estate | Commercial | Mixed use | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Real estate | Commercial | Industrial & warehouse
Financing Receivable, Recorded Investment [Line Items]
Loans	192,146	199,319
Acquired Loans | Real estate | Commercial | Industrial & warehouse | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	167,852	171,574
Acquired Loans | Real estate | Commercial | Industrial & warehouse | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	4,256	9,451
Acquired Loans | Real estate | Commercial | Industrial & warehouse | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	19,820	18,071
Acquired Loans | Real estate | Commercial | Industrial & warehouse | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	218	223
Acquired Loans | Real estate | Commercial | Other
Financing Receivable, Recorded Investment [Line Items]
Loans	411,928	444,145
Acquired Loans | Real estate | Commercial | Other | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	372,168	402,247
Acquired Loans | Real estate | Commercial | Other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	11,201	12,902
Acquired Loans | Real estate | Commercial | Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	28,559	28,996
Acquired Loans | Real estate | Commercial | Other | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Real estate | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans	22,351	36,941
Acquired Loans | Real estate | Construction | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	13,049	29,058
Acquired Loans | Real estate | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	9,302	7,883
Acquired Loans | Real estate | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Real estate | Construction | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Commercial business
Financing Receivable, Recorded Investment [Line Items]
Loans	98,557	109,939
Acquired Loans | Commercial business | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	81,554	89,611
Acquired Loans | Commercial business | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	640	1,083
Acquired Loans | Commercial business | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	16,363	19,237
Acquired Loans | Commercial business | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	8
Acquired Loans | Trade finance
Financing Receivable, Recorded Investment [Line Items]
Loans	3,066	3,124
Acquired Loans | Trade finance | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Trade finance | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Trade finance | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	3,066	3,124
Acquired Loans | Trade finance | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Consumer and other
Financing Receivable, Recorded Investment [Line Items]
Loans	134,079	140,753
Acquired Loans | Consumer and other | Pass/Not Rated
Financing Receivable, Recorded Investment [Line Items]
Loans	130,545	136,944
Acquired Loans | Consumer and other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans	30	37
Acquired Loans | Consumer and other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans	3,504	3,626
Acquired Loans | Consumer and other | Doubtful or Loss
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 0	$ 146

XML

Loans Receivable and Allowance for Loan Losses - Loans Held For Investment - Reclassification to Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sale or reclassification to held for sale	$ 33,390	$ 6,155

XML

Loans Receivable and Allowance for Loan Losses - Allowance for Loans, by Portfolio Segment and Impairment Method (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	$ 11,959,787	$ 12,005,558
Loans by Portfolio Segment and Impairment Method [Abstract]
Impaired loans (recorded investment)	132,150	104,007
Specific allowance	$ 6,797	$ 4,791
Specific allowance to impaired loans	5.14%	4.61%
Other loans	$ 11,921,448	$ 11,993,899
General allowance	$ 87,420	$ 87,766
General allowance to other loans	0.73%	0.73%
Total loans	$ 12,053,598	$ 12,097,906
Total allowance for loan losses	$ 94,217	$ 92,557	$ 86,461	$ 84,541
Total allowance to total loans	0.78%	0.77%
Real estate
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	$ 8,715,834	$ 8,721,600
Real estate | Residential
Loans by Portfolio Segment and Impairment Method [Abstract]
Impaired loans (recorded investment)	0	0
Specific allowance	0	0
Other loans	49,633	51,197
General allowance	$ 145	$ 112
General allowance to other loans	0.29%	0.22%
Total loans	$ 49,633	$ 51,197
Total allowance for loan losses	$ 145	$ 112
Total allowance to total loans	0.29%	0.22%
Real estate | Commercial
Loans by Portfolio Segment and Impairment Method [Abstract]
Impaired loans (recorded investment)	$ 83,202	$ 58,056
Specific allowance	$ 456	$ 437
Specific allowance to impaired loans	0.55%	0.75%
Other loans	$ 8,313,162	$ 8,337,271
General allowance	$ 51,035	$ 55,453
General allowance to other loans	0.61%	0.67%
Total loans	$ 8,396,364	$ 8,395,327
Total allowance for loan losses	$ 51,491	$ 55,890
Total allowance to total loans	0.61%	0.67%
Real estate | Construction
Loans by Portfolio Segment and Impairment Method [Abstract]
Impaired loans (recorded investment)	$ 0	$ 0
Specific allowance	0	0
Other loans	269,837	275,076
General allowance	$ 1,501	$ 765
General allowance to other loans	0.56%	0.28%
Total loans	$ 269,837	$ 275,076
Total allowance for loan losses	$ 1,501	$ 765
Total allowance to total loans	0.56%	0.28%
Commercial business
Loans by Portfolio Segment and Impairment Method [Abstract]
Impaired loans (recorded investment)	$ 38,804	$ 35,358
Specific allowance	$ 6,332	$ 4,351
Specific allowance to impaired loans	16.32%	12.31%
Other loans	$ 2,119,620	$ 2,092,272
General allowance	$ 26,044	$ 23,414
General allowance to other loans	1.23%	1.12%
Total loans	$ 2,158,424	$ 2,127,630
Total allowance for loan losses	$ 32,376	$ 27,765
Total allowance to total loans	1.50%	1.30%
Trade finance
Loans by Portfolio Segment and Impairment Method [Abstract]
Impaired loans (recorded investment)	$ 8,409	$ 9,011
Specific allowance	0	0
Other loans	163,864	188,179
General allowance	$ 698	$ 719
General allowance to other loans	0.43%	0.38%
Total loans	$ 172,273	$ 197,190
Total allowance for loan losses	$ 698	$ 719
Total allowance to total loans	0.41%	0.36%
Consumer and other
Loans by Portfolio Segment and Impairment Method [Abstract]
Impaired loans (recorded investment)	$ 1,735	$ 1,582
Specific allowance	$ 9	$ 3
Specific allowance to impaired loans	0.52%	0.19%
Other loans	$ 1,005,332	$ 1,049,904
General allowance	$ 7,997	$ 7,303
General allowance to other loans	0.80%	0.70%
Total loans	$ 1,007,067	$ 1,051,486
Total allowance for loan losses	$ 8,006	$ 7,306
Total allowance to total loans	0.79%	0.69%
Acquired Loans
Loans by Portfolio Segment and Impairment Method [Abstract]
Specific allowance	$ 736	$ 391
Total loans	1,769,289	1,898,048
Acquired Loans | Real estate
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	1,533,587	1,644,232
Total allowance for loan losses	7,261	7,321	13,048	13,322
Acquired Loans | Real estate | Residential
Loans by Portfolio Segment and Impairment Method [Abstract]
Specific allowance	0	0
Total loans	5,877	6,585
Acquired Loans | Real estate | Construction
Loans by Portfolio Segment and Impairment Method [Abstract]
Specific allowance	0	0
Total loans	22,351	36,941
Acquired Loans | Commercial business
Loans by Portfolio Segment and Impairment Method [Abstract]
Specific allowance	490	130
Total loans	98,557	109,939
Total allowance for loan losses	5,000	5,939	1,308	3,527
Acquired Loans | Trade finance
Loans by Portfolio Segment and Impairment Method [Abstract]
Specific allowance	0	0
Total loans	3,066	3,124
Total allowance for loan losses	0	0	38	42
Acquired Loans | Consumer and other
Loans by Portfolio Segment and Impairment Method [Abstract]
Specific allowance	1	0
Total loans	134,079	140,753
Total allowance for loan losses	1,002	1,037	2	3
Legacy Loans
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	10,284,309	10,199,858
Legacy Loans | Real estate
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	7,182,247	7,077,368
Total allowance for loan losses	45,876	49,446	45,977	45,360
Legacy Loans | Real estate | Residential
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	43,756	44,612
Legacy Loans | Real estate | Construction
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	247,486	238,135
Legacy Loans | Commercial business
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	2,059,867	2,017,691
Total allowance for loan losses	27,376	21,826	20,387	17,228
Legacy Loans | Trade finance
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	169,207	194,066
Total allowance for loan losses	698	719	1,767	1,674
Legacy Loans | Consumer and other
Loans by Portfolio Segment and Impairment Method [Abstract]
Total loans	872,988	910,733
Total allowance for loan losses	7,004	6,269	$ 3,934	$ 3,385
Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	141,931	147,253
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	10,316	12,163
Receivables Acquired with Deteriorated Credit Quality [Member] | Acquired Loans | Real estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	115,654	118,294
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	5,230	5,796
Receivables Acquired with Deteriorated Credit Quality [Member] | Acquired Loans | Commercial business
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	20,699	23,289
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	4,102	5,349
Receivables Acquired with Deteriorated Credit Quality [Member] | Acquired Loans | Trade finance
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	0	0
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	0	0
Receivables Acquired with Deteriorated Credit Quality [Member] | Acquired Loans | Consumer and other
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	5,578	5,670
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	984	1,018
Receivables Acquired with Deteriorated Credit Quality [Member] | Legacy Loans | Real estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	0	0
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	0	0
Receivables Acquired with Deteriorated Credit Quality [Member] | Legacy Loans | Commercial business
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	0	0
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	0	0
Receivables Acquired with Deteriorated Credit Quality [Member] | Legacy Loans | Trade finance
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	0	0
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	0	0
Receivables Acquired with Deteriorated Credit Quality [Member] | Legacy Loans | Consumer and other
Financing Receivable, Impaired [Line Items]
Financing Receivable, Net	0	0
Loans by Portfolio Segment and Impairment Method [Abstract]
Total allowance for loan losses	$ 0	$ 0

XML

Loans Receivable and Allowance for Loan Losses - Troubled Debt Restructurings on Financing Receivables (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019 USD ($) loan	Mar. 31, 2018 USD ($) loan	Dec. 31, 2018 USD ($) loan
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 67,312		$ 64,012
Number of modified contracts | loan	16	11
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 5,833	$ 11,153
Post-Modification	$ 5,833	$ 11,153
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	11	2
Balance	$ 5,673	$ 3,667
Minimum
Financing Receivable, Modifications [Line Items]
Temporary modifications, period of interest only payments	3 months
Maximum
Financing Receivable, Modifications [Line Items]
Temporary modifications, period of interest only payments	6 months
Legacy Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	14	6
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 5,682	$ 7,027
Post-Modification	$ 5,682	$ 7,027
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	5	1
Balance	$ 4,981	$ 625
Acquired Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	2	5
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 151	$ 4,126
Post-Modification	$ 151	$ 4,126
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	6	1
Balance	$ 692	$ 3,042
Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	9,142		9,065
Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	50,389		48,899
Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	7,781		6,048
TDR on accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	45,204		50,410
TDR on accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	6,051		6,103
TDR on accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	31,767		38,660
TDR on accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	7,386		5,647
TDR on non-accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	22,108		13,602
TDR on non-accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	3,091		2,962
TDR on non-accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	18,622		10,239
TDR on non-accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 395		401
Commercial | TDR on accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured			$ 24,000
Number of modified contracts | loan	17		20
Real estate | Legacy Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Legacy Loans | Residential Real Estate
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Real estate | Legacy Loans | Retail
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	1
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 15
Post-Modification	$ 0	$ 15
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1	1
Balance	$ 48	$ 625
Real estate | Legacy Loans | Hotel & motel
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	1	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 152	$ 0
Post-Modification	$ 152	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Legacy Loans | Gas station & car wash
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Legacy Loans | Mixed use
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Legacy Loans | Industrial & warehouse
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	1
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 2,113
Post-Modification	$ 0	$ 2,113
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Legacy Loans | Other
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	1	1
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 140	$ 1,240
Post-Modification	$ 140	$ 1,240
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Acquired Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Acquired Loans | Residential Real Estate
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Real estate | Acquired Loans | Retail
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	1	1
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 101	$ 213
Post-Modification	$ 101	$ 213
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Acquired Loans | Hotel & motel
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1	0
Balance	$ 73	$ 0
Real estate | Acquired Loans | Gas station & car wash
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Acquired Loans | Mixed use
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	1
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 2,725
Post-Modification	$ 0	$ 2,725
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Real estate | Acquired Loans | Industrial & warehouse
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1	0
Balance	$ 236	$ 0
Real estate | Acquired Loans | Other
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	1
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 1,055
Post-Modification	$ 0	$ 1,055
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	1
Balance	$ 0	$ 3,042
Real estate | Payment concession | Legacy Loans
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1
Balance	$ 48
Real estate | Payment concession | Acquired Loans
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	2	1
Balance	$ 309	$ 3,000
Real estate | Commercial | TDR on accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	24,863		$ 24,026
Real estate | Commercial | TDR on accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	5,088		5,142
Real estate | Commercial | TDR on accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	14,932		14,012
Real estate | Commercial | TDR on accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	4,843		4,872
Real estate | Commercial | TDR on non-accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	5,666		2,617
Real estate | Commercial | TDR on non-accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	2,583		2,216
Real estate | Commercial | TDR on non-accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	2,688		0
Real estate | Commercial | TDR on non-accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 395		401
Commercial business | Legacy Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	6	3
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 5,357	$ 3,659
Post-Modification	$ 5,357	$ 3,659
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	2	0
Balance	$ 4,030	$ 0
Commercial business | Acquired Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	1	2
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 50	$ 133
Post-Modification	$ 50	$ 133
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	4	0
Balance	$ 383	$ 0
Commercial business | Payment concession | Acquired Loans
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	3
Balance	$ 250
Commercial business | Maturity / amortization concession | Legacy Loans
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	2	1
Balance	$ 4,000	$ 625
Commercial business | Maturity / amortization concession | Acquired Loans
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1
Balance	$ 133
Commercial business | TDR on accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 14,283		$ 18,890
Number of modified contracts | loan	26		37
Commercial business | TDR on accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 930		$ 961
Commercial business | TDR on accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	10,911		17,257
Commercial business | TDR on accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	2,442		672
Commercial business | TDR on non-accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	15,484		10,912
Commercial business | TDR on non-accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	508		746
Commercial business | TDR on non-accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	14,976		10,166
Commercial business | TDR on non-accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 0		0
Trade finance | Legacy Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1	0
Balance	$ 898	$ 0
Trade finance | Acquired Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Trade finance | Maturity / amortization concession | Legacy Loans
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1
Balance	$ 898
Other | TDR on accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	6,058		7,494
Other | TDR on accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	33		0
Other | TDR on accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	5,924		7,391
Other | TDR on accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	101		103
Other | TDR on non-accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	958		73
Other | TDR on non-accrual | Payment concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	0		0
Other | TDR on non-accrual | Maturity / amortization concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	958		73
Other | TDR on non-accrual | Rate concession
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 0		0
Consumer and other | Legacy Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	6	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 33	$ 0
Post-Modification	$ 33	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1	0
Balance	$ 5	$ 0
Consumer and other | Acquired Loans
Financing Receivable, Modifications [Line Items]
Number of modified contracts | loan	0	0
Troubled Debt Restructuring, By Loan Class
Pre-Modification	$ 0	$ 0
Post-Modification	$ 0	$ 0
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	0	0
Balance	$ 0	$ 0
Consumer and other | Payment concession | Legacy Loans
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default
Number of Loans | loan	1
Consumer and other | TDR on accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructured	$ 6,100		$ 7,500
Number of modified contracts | loan	11		6

XML

Leases - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) lease	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Weighted-average remaining lease term - operating leases	6 years 1 month 28 days
Extension options, term of extension	5 years
operating lease right-of-use assets	$ 62,360		$ 0
operating lease liabilities	62,833		$ 0
Short term operating lease liability	12,400
Long term operating lease liability	$ 50,400
Number of leases extended | lease	4
Rent expense	$ 4,700	$ 4,400
Minimum
Lessee, Lease, Description [Line Items]
Weighted-average remaining lease term - operating leases	1 year
Extension options, term of extension	1 year
Maximum
Lessee, Lease, Description [Line Items]
Weighted-average remaining lease term - operating leases	12 years
Extension options, term of extension	5 years

XML

Leases - Net Lease Cost (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 4,123
Short term lease cost	9
Variable lease cost	703
Sublease income	(157)
Net lease cost	$ 4,678

XML

Leases - Other Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 3,663
Right-of-use assets obtained in exchange for lease liabilities, net	$ 62,360
Weighted-average remaining lease term - operating leases	6 years 1 month 28 days
Weighted-average discount rate - operating leases	3.20%

XML

Leases - Maturities of Remaining Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Leases [Abstract]
2019	$ 10,788
2020	12,996
2021	12,135
2022	8,178
2023	6,160
2024 and thereafter	19,691
Total lease payments	69,948
Less: imputed interest	7,115
Total lease obligations	$ 62,833	$ 0

XML

Deposits (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Deposits Disclosure [Line Items]
Time Deposits, $250,000 or More	$ 1,840,000,000	$ 1,770,000,000
Securities pledged as collateral	0
California State Treasurer
Deposits Disclosure [Line Items]
Time Deposits, $250,000 or More	300,000,000	300,000,000
Securities pledged as collateral	341,200,000	336,800,000
Brokered deposits	1,570,000,000	1,570,000,000
Money market and NOW accounts | California State Treasurer
Deposits Disclosure [Line Items]
Brokered deposits	306,900,000	370,400,000
Time deposits | California State Treasurer
Deposits Disclosure [Line Items]
Brokered deposits	$ 1,270,000,000	$ 1,200,000,000

XML

Borrowings - Narrative (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Percent of assets	25.00%
Maximum borrowing capacity	$ 3,830,000,000	$ 3,810,000,000
Percent outstanding advances	100.00%
Unsecured credit facility, maximum borrowing capacity	$ 95,000,000.0
FHLB advances	720,000,000	$ 821,300,000
Unused funds	3,090,000,000
Federal funds purchased	$ 0
Percent of qualifying assets	95.00%
Securities pledged as collateral	$ 0
Weighted Average
Debt Instrument [Line Items]
FHLB advances, interest rate	1.88%	1.78%
Minimum
Debt Instrument [Line Items]
FHLB advances, interest rate	1.08%
Maximum
Debt Instrument [Line Items]
FHLB advances, interest rate	2.57%
Mortgage Loans on Real Estate
Debt Instrument [Line Items]
Pledged as collateral	$ 6,160,000,000	$ 6,010,000,000
Qualifying Loans
Debt Instrument [Line Items]
Asset balance used to determine maximum borrowing capacity from federal reserve bank	1,040,000,000
Securities Investment
Debt Instrument [Line Items]
Total available borrowing capacity	844,100,000	786,600,000
Amount outstanding	$ 0	$ 0

XML

Borrowings - Maturities of FHLB Borrowings (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Disclosure [Abstract]
2019	$ 245,000
2020	185,000
2021	145,000
2022	145,000
Total	$ 720,000	$ 821,300

XML

Subordinated Debentures and Convertible Notes - Narrative (Details)				3 Months Ended		12 Months Ended
	Sep. 20, 2018 USD ($)	Jun. 07, 2018 USD ($) $ / shares	Apr. 26, 2018 USD ($)	Mar. 31, 2019 USD ($) grantor_trust shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2018 USD ($) $ / shares shares	Jun. 30, 2018 USD ($)	May 11, 2018 USD ($)
Subordinated Borrowing [Line Items]
Number of wholly owned subsidiary grantor trusts | grantor_trust				9
Amount of pooled trust preferred securities issued				$ 126,000,000
Right to defer consecutive payments of interest, maximum term				5 years
Repurchase of treasury stock				$ 100,000,000	$ 50,000,000
Common stock repurchased and recorded as treasury stock (in shares) | shares				5,565,696	3,436,757	9,002,453
Weighted average price of repurchased shares (in dollars per share) | $ / shares						$ 16.65
Other assets
Subordinated Borrowing [Line Items]
Investment in common trust securities				$ 3,900,000
Trust Preferred Securities Subject to Mandatory Redemption
Subordinated Borrowing [Line Items]
Amount of pooled trust preferred securities issued				$ 126,000,000
Percent included in tier one capital, maximum				25.00%
Excess of percent threshold included in tier two capital				25.00%
Convertible Notes
Subordinated Borrowing [Line Items]
Aggregate principal amount issued				$ 217,500,000.0			$ 217,500,000.0	$ 200,000,000
Interest rate								2.00%
Additional face amount issued as part of initial offering over-allotment option		$ 17,500,000.0
Initial conversion rate		0.0450760		0.0450760
Initial conversion price (in dollars per share) | $ / shares		$ 22.18
Premium percentage to closing stock price on date of pricing of the notes		22.50%
Call option, percentage of principal amount in cash		100.00%
Repurchase or put option, percentage of principal amount in cash		100.00%
Amount of proceeds from convertible notes authorized for repurchase of common stock	$ 50,000,000.0	$ 100,000,000	$ 100,000,000.0
Proceeds from convertible notes, net of issuance fees		213,200,000
Proceeds down-streamed to the Bank as equity		113,200,000
Repurchase of treasury stock		$ 76,000,000				$ 150,000,000
Closing price of common stock (in dollars per share) | $ / shares		$ 18.11
Discount rate		4.25%
Amortization/ Capitalization Period		5 years		5 years		5 years
Interest expense on convertible notes				$ 2,300,000

XML

Subordinated Debentures and Convertible Notes - Summary of Trust Preferred Securities and Debentures (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 126,000,000
Carrying Value of Debentures	102,201,000	$ 101,929,000
Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	126,000,000
Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 102,201,000
Nara Capital Trust III
Subordinated Borrowing [Line Items]
Current Rate	5.76%
Nara Capital Trust III | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 5,000,000
Nara Capital Trust III | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 5,155,000
Nara Statutory Trust IV
Subordinated Borrowing [Line Items]
Current Rate	5.64%
Nara Statutory Trust IV | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 5,000,000
Nara Statutory Trust IV | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 5,155,000
Nara Statutory Trust V
Subordinated Borrowing [Line Items]
Current Rate	5.56%
Nara Statutory Trust V | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 10,000,000
Nara Statutory Trust V | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 10,310,000
Nara Statutory Trust VI
Subordinated Borrowing [Line Items]
Current Rate	4.26%
Nara Statutory Trust VI | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 8,000,000
Nara Statutory Trust VI | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 8,248,000
Center Capital Trust I
Subordinated Borrowing [Line Items]
Current Rate	5.64%
Center Capital Trust I | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 18,000,000
Center Capital Trust I | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 14,076,000
Wilshire Trust II
Subordinated Borrowing [Line Items]
Current Rate	4.40%
Wilshire Trust II | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 20,000,000
Wilshire Trust II | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 15,580,000
Wilshire Trust III
Subordinated Borrowing [Line Items]
Current Rate	4.01%
Wilshire Trust III | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 15,000,000
Wilshire Trust III | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 10,994,000
Wilshire Trust IV
Subordinated Borrowing [Line Items]
Current Rate	3.99%
Wilshire Trust IV | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 25,000,000
Wilshire Trust IV | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 17,828,000
Saehan Capital Trust I
Subordinated Borrowing [Line Items]
Current Rate	4.21%
Saehan Capital Trust I | Trust Preferred Security Amount
Subordinated Borrowing [Line Items]
Trust Preferred Security Amount	$ 20,000,000
Saehan Capital Trust I | Carrying Value of Debentures
Subordinated Borrowing [Line Items]
Carrying Value of Debentures	$ 14,855,000

XML

Subordinated Debentures and Convertible Notes - Schedule of Convertible Debt (Details) - Convertible Notes - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jun. 07, 2018	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Amortization/ Capitalization Period	5 years	5 years	5 years
Gross Carrying Amount
Convertible notes principal balance		$ 217,500	$ 217,500
Discount		(21,880)	(21,880)
Issuance costs to be capitalized		(4,119)	(4,119)
Carrying balance of convertible notes		191,501	191,501
Accumulated Amortization / Capitalization
Discount		3,557	2,544
Issuance costs to be capitalized		696	498
Carrying balance of convertible notes		4,253	3,042
Carrying Amount
Convertible notes principal balance		217,500	217,500
Discount		(18,323)	(19,336)
Issuance costs to be capitalized		(3,423)	(3,621)
Carrying balance of convertible notes		$ 195,754	$ 194,543

XML

Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Interest rate lock commitments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 12,435	$ 874
Other liabilities | Not Designated as Hedging Instrument | Correspondent Banks | Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Weighted average remaining term (years)	6 years	6 years 9 months 18 days
Estimated fair value	$ 2,967	$ 6,191
Notional amount	$ 152,212	$ 237,916
Derivative, Average Fixed Interest Rate	4.22%	4.36%
Derivative, Average Variable Interest Rate	4.96%	4.69%
Other liabilities | Not Designated as Hedging Instrument | Customers | Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Weighted average remaining term (years)	7 years 2 months	6 years 4 months 24 days
Estimated fair value	$ 2,173	$ 868
Notional amount	$ 124,318	$ 36,972
Derivative, Average Fixed Interest Rate	4.78%	4.56%
Derivative, Average Variable Interest Rate	4.78%	5.12%
Other assets | Not Designated as Hedging Instrument | Correspondent Banks | Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Weighted average remaining term (years)	7 years 2 months 12 days	6 years 4 months 24 days
Estimated fair value	$ 2,173	$ 868
Notional amount	$ 124,318	$ 36,972
Derivative, Average Fixed Interest Rate	4.78%	5.12%
Derivative, Average Variable Interest Rate	4.78%	4.56%
Other assets | Not Designated as Hedging Instrument | Customers | Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Weighted average remaining term (years)	6 years	6 years 9 months 18 days
Estimated fair value	$ 2,967	$ 6,191
Notional amount	$ 152,212	$ 237,916
Derivative, Average Fixed Interest Rate	4.96%	4.69%
Derivative, Average Variable Interest Rate	4.22%	4.36%

XML

Derivative Financial Instruments - Summary of Derivative Notional Amounts and Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Interest rate lock commitments
Derivative [Line Items]
Notional amount, derivative asset	$ 9,415	$ 874
Fair value, derivative asset	76	10
Notional amount, derivative liability	3,020	0
Fair value, derivative liability	2	0
Forward sale contracts related to mortgage banking | Short
Derivative [Line Items]
Notional amount, derivative asset	4,390	0
Fair value, derivative asset	9	0
Notional amount, derivative liability	8,045	874
Fair value, derivative liability	$ 35	$ 3

XML

Commitments and contingencies (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Supply Commitment [Line Items]
Loss contingencies for all legal claims	$ 100	$ 755
Interest rate lock commitments
Supply Commitment [Line Items]
Notional amount	12,435	874
Short | Forward sale commitments
Supply Commitment [Line Items]
Notional amount	12,435	874
Commitments to extend credit
Supply Commitment [Line Items]
Commitments and letters of credit	1,812,992	1,712,032
Standby letters of credit
Supply Commitment [Line Items]
Commitments and letters of credit	72,049	69,763
Other letters of credit
Supply Commitment [Line Items]
Commitments and letters of credit	64,553	65,822
Commitments to fund investments in affordable housing partnerships
Supply Commitment [Line Items]
Commitments and letters of credit	$ 40,709	$ 46,507

XML

Goodwill, Intangible Assets, and Servicing Assets - Intangible Assets (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 464,450,000		$ 464,450,000
Goodwill impairment	0
Gross Amount	25,605,000
Accumulated Amortization	(12,101,000)		(11,544,000)
Carrying Amount	13,504,000		14,061,000
Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization expense related to core deposit intangible assets	$ 557,000	$ 616,000
Center Financial acquisition | Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization Period	7 years
Gross Amount	$ 4,100,000
Accumulated Amortization	(4,100,000)		(4,100,000)
Carrying Amount	$ 0		0
Pacific International Bank acquisition | Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization Period	7 years
Gross Amount	$ 604,000
Accumulated Amortization	(585,000)		(579,000)
Carrying Amount	$ 19,000		25,000
Foster Bankshares acquisition | Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years
Gross Amount	$ 2,763,000
Accumulated Amortization	(1,950,000)		(1,893,000)
Carrying Amount	$ 813,000		870,000
Wilshire Bancorp acquisition | Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years
Gross Amount	$ 18,138,000
Accumulated Amortization	(5,466,000)		(4,972,000)
Carrying Amount	$ 12,672,000		$ 13,166,000
Minimum | Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization Period	7 years
Maximum | Core Deposits
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years

XML

Goodwill, Intangible Assets, and Servicing Assets - Servicing Assets (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Servicing Asset at Amortized Cost, Balance [Roll Forward]
Balance at beginning of period	$ 23,132	$ 24,710	$ 24,710
Additions through originations of servicing assets	327	1,716
Amortization	(2,052)	(1,560)
Balance at end of period	21,407	$ 24,866	23,132
Principal balances of loans serviced for other institutions	$ 1,530,000		$ 1,550,000
SBA Servicing Assets: Weighted-average discount rate	11.48%		11.23%
SBA Servicing Assets: Constant prepayment rate	12.28%		11.09%
Mortgage Servicing Assets: Weighted-average discount rate	9.75%		10.25%
Mortgage Servicing Assets: Constant prepayment rate	8.74%		7.13%

XML

Income Taxes Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income tax provision	$ 14,439,000	$ 17,733,000
Pretax income	$ 57,197,000	$ 68,965,000
Effective income tax rate	25.24%	25.71%
Unrecognized tax benefits	$ 2,300,000		$ 2,300,000
Interest accrued	495,000		470,000
Penalties accrued	0		$ 0
Decrease in unrecognized tax benefits is reasonably possible	$ 2,300,000

XML

Fair Value Measurements - Assets and Liabilities Measured at Fair Value, Recurring (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Costs to sell percentage	8.50%
Assets:
Securities available for sale, at fair value	$ 1,818,343	$ 1,846,265
Equity investments with readily determinable fair value	50,873	49,835
Mortgage banking derivatives	85
Collateralized mortgage obligations
Assets:
Securities available for sale, at fair value	872,297	895,122
Residential
Assets:
Securities available for sale, at fair value	394,541	402,605
Commercial
Assets:
Securities available for sale, at fair value	471,259	469,126
Corporate securities
Assets:
Securities available for sale, at fair value	3,986	3,826
Municipal securities
Assets:
Securities available for sale, at fair value	76,260	75,586
Recurring basis | Collateralized mortgage obligations
Assets:
Securities available for sale, at fair value	872,297	895,122
Recurring basis | Residential
Assets:
Securities available for sale, at fair value	394,541	402,605
Recurring basis | Commercial
Assets:
Securities available for sale, at fair value	471,259	469,126
Recurring basis | Corporate securities
Assets:
Securities available for sale, at fair value	3,986	3,826
Recurring basis | Municipal securities
Assets:
Securities available for sale, at fair value	76,260	75,586
Recurring basis | Equity investments
Assets:
Equity investments with readily determinable fair value	24,319
Recurring basis | Equity investments with readily determinable fair value
Assets:
Securities available for sale, at fair value	23,405
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Interest rate swaps	0	0
Mortgage banking derivatives	0	0
Liabilities:
Interest rate swaps	0	0
Mortgage banking derivatives	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateralized mortgage obligations
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate securities
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal securities
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity investments
Assets:
Equity investments with readily determinable fair value	24,319
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity investments with readily determinable fair value
Assets:
Securities available for sale, at fair value	23,405
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets:
Interest rate swaps	5,140	7,059
Mortgage banking derivatives	85	10
Liabilities:
Interest rate swaps	5,140	7,059
Mortgage banking derivatives	37	3
Recurring basis | Significant Other Observable Inputs (Level 2) | Collateralized mortgage obligations
Assets:
Securities available for sale, at fair value	872,297	895,122
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential
Assets:
Securities available for sale, at fair value	394,541	402,605
Recurring basis | Significant Other Observable Inputs (Level 2) | Commercial
Assets:
Securities available for sale, at fair value	471,259	469,126
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate securities
Assets:
Securities available for sale, at fair value	3,986	3,826
Recurring basis | Significant Other Observable Inputs (Level 2) | Municipal securities
Assets:
Securities available for sale, at fair value	75,192	74,527
Recurring basis | Significant Other Observable Inputs (Level 2) | Equity investments
Assets:
Equity investments with readily determinable fair value	0
Recurring basis | Significant Other Observable Inputs (Level 2) | Equity investments with readily determinable fair value
Assets:
Securities available for sale, at fair value	0
Recurring basis | Significant Unobservable Inputs (Level 3)
Assets:
Interest rate swaps	0	0
Mortgage banking derivatives	0	0
Liabilities:
Interest rate swaps	0	0
Mortgage banking derivatives	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Collateralized mortgage obligations
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Residential
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Commercial
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Corporate securities
Assets:
Securities available for sale, at fair value	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Municipal securities
Assets:
Securities available for sale, at fair value	1,068	1,059
Recurring basis | Significant Unobservable Inputs (Level 3) | Equity investments
Assets:
Equity investments with readily determinable fair value	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Equity investments with readily determinable fair value
Assets:
Securities available for sale, at fair value	0
Recurring basis | Estimated Fair Value
Assets:
Interest rate swaps	5,140	7,059
Mortgage banking derivatives		10
Liabilities:
Interest rate swaps	5,140	7,059
Mortgage banking derivatives	$ 37	$ 3
Accounts Receivable | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate	20.00%
Accounts Receivable | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate	60.00%
Inventories | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate	50.00%
Inventories | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate	70.00%

XML

Fair Value Measurements - Rollforward of Level 3 Assets (Details) - Municipal securities - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 1,059	$ 1,108
Total losses included in other comprehensive income (loss)	9	(29)
Ending Balance	$ 1,068	$ 1,079

XML

Fair Value Measurements - Assets Measured at Fair Value, Non-Recurring (Details) - Non-recurring basis - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Real estate loans
Assets:
Assets	$ 9,518	$ 9,379
Commercial business
Assets:
Assets	15,874	9,951
Trade finance
Assets:
Assets	101
Consumer
Assets:
Assets		66
OREO
Assets:
Assets	5,111	5,659
Quoted Prices in Active Markets for Identical Assets (Level 1) | Real estate loans
Assets:
Assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial business
Assets:
Assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Trade finance
Assets:
Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Consumer
Assets:
Assets		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | OREO
Assets:
Assets	0	0
Significant Other Observable Inputs (Level 2) | Real estate loans
Assets:
Assets	0	0
Significant Other Observable Inputs (Level 2) | Commercial business
Assets:
Assets	0	0
Significant Other Observable Inputs (Level 2) | Trade finance
Assets:
Assets	0
Significant Other Observable Inputs (Level 2) | Consumer
Assets:
Assets		0
Significant Other Observable Inputs (Level 2) | OREO
Assets:
Assets	0	0
Significant Unobservable Inputs (Level 3) | Real estate loans
Assets:
Assets	9,518	9,379
Significant Unobservable Inputs (Level 3) | Commercial business
Assets:
Assets	15,874	9,951
Significant Unobservable Inputs (Level 3) | Trade finance
Assets:
Assets	101
Significant Unobservable Inputs (Level 3) | Consumer
Assets:
Assets		66
Significant Unobservable Inputs (Level 3) | OREO
Assets:
Assets	$ 5,111	$ 5,659

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Fair Value Measurements - Total Net Gains Losses on Assets Measured at Fair Value on a Non-Recurring Basis (Details) - Non-recurring basis - Change during period - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total gains (losses), fair value	$ 1,048	$ (5,572)
Commercial business
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total gains (losses), fair value	(3,231)	(899)
Trade finance
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total gains (losses), fair value	0	15
Consumer
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total gains (losses), fair value	(285)	(315)
OREO
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total gains (losses), fair value	$ 62	$ 72

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Fair Value Measurements - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financial Assets:
Equity investments without readily determinable fair values	$ 26,600	$ 26,400
Level 1 | Carrying Amount
Financial Assets:
Cash and cash equivalents	612,884	459,606
Financial Liabilities:
Convertible notes, net	195,754
Level 1 | Estimated Fair Value
Financial Assets:
Cash and cash equivalents	612,884	459,606
Financial Liabilities:
Convertible notes, net	191,437
Level 2/3 | Carrying Amount
Financial Assets:
Accrued interest receivable	34,831	32,225
Level 2/3 | Carrying Amount | Other investments
Financial Assets:
Interest bearing deposits in other financial institutions	30,141	29,409
Level 2/3 | Estimated Fair Value
Financial Assets:
Accrued interest receivable	34,831	32,225
Level 2/3 | Estimated Fair Value | Other investments
Financial Assets:
Interest bearing deposits in other financial institutions	30,148	29,374
Level 2 | Carrying Amount
Financial Assets:
Equity investments without readily determinable fair values	26,554	26,430
Loans held for sale	921	25,128
Customers’ liabilities on acceptances	1,896	2,281
Financial Liabilities:
Noninterest bearing deposits	2,948,751	3,022,633
Saving and other interest bearing demand deposits	3,310,482	3,262,399
Time deposits	5,989,963	5,870,624
FHLB advances	720,000	821,280
Convertible debt		194,543
Subordinated debentures	102,201	101,929
Accrued interest payable	37,511	31,374
Acceptances outstanding	1,896	2,281
Level 2 | Estimated Fair Value
Financial Assets:
Equity investments without readily determinable fair values	26,554	26,430
Loans held for sale	931	25,943
Customers’ liabilities on acceptances	1,896	2,281
Financial Liabilities:
Noninterest bearing deposits	2,948,751	3,022,633
Saving and other interest bearing demand deposits	3,310,482	3,262,399
Time deposits	6,075,173	5,889,030
FHLB advances	715,922	810,812
Convertible debt		180,525
Subordinated debentures	117,726	116,542
Accrued interest payable	37,511	31,374
Acceptances outstanding	1,896	2,281
Level 3 | Carrying Amount
Financial Assets:
Loans receivable—net	11,959,787	12,005,558
Servicing assets, net	21,407	23,132
Level 3 | Estimated Fair Value
Financial Assets:
Loans receivable—net	11,755,447	11,913,906
Servicing assets, net	$ 22,971	$ 24,762

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Stockholders' Equity - Discussion of Equity and Warrants (Details) - USD ($)		3 Months Ended				12 Months Ended
	Jun. 07, 2018	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2018	Sep. 20, 2018	Apr. 26, 2018	Dec. 31, 2017
Equity [Abstract]
Total stockholders’ equity		$ 1,946,211,000	$ 1,903,211,000		$ 1,945,333,000	$ 1,903,211,000			$ 1,928,255,000
Class of Warrant or Right [Line Items]
Share repurchase program, authorized amount							$ 50,000,000	$ 100,000,000.0
Common stock repurchased and recorded as treasury stock (in shares)		5,565,696	3,436,757			9,002,453
Repurchase of treasury stock		$ 100,000,000	$ 50,000,000
Dividends paid (in dollars per share)		$ 0.14			$ 0.13
Convertible Notes
Class of Warrant or Right [Line Items]
Equity component of convertible notes				$ 21,900,000
Issuance costs from convertible notes allocated to equity				461,000
Repurchase of treasury stock	$ 76,000,000					$ 150,000,000
Additional paid-in capital
Equity [Abstract]
Total stockholders’ equity		$ 1,424,029,000	$ 1,423,405,000		$ 1,405,806,000	$ 1,423,405,000			$ 1,405,014,000
Class of Warrant or Right [Line Items]
Equity component of convertible notes, net of taxes				21,400,000
Convertible debt tax adjustment, reduction to additional paid-in capital				$ 6,400,000

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Stockholders' Equity - Changes in Accumulated Other Comprehensive (Loss) Income (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Equity [Abstract]
Balance at beginning of period	$ (32,705,000)	$ (21,781,000)
Unrealized loss on securities available for sale and interest only strips	24,666,000	(24,649,000)
Tax effect	(7,319,000)	7,509,000
Total other comprehensive (loss) income	17,347,000	(17,140,000)
Reclassification to retained earnings per ASU 2016-01	0	281,000
Balance at end of period	(15,358,000)	(38,640,000)
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01				$ (188,000)
Reclassifications out of accumulated other comprehensive (loss) income	0	0
Accumulated other comprehensive loss, net
Equity [Abstract]
Total other comprehensive (loss) income	$ 17,347,000	$ (17,140,000)
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Reclassification of unrealized losses on equity investments to retained earnings - ASU 2016-01			$ 281,000	$ 281,000

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Regulatory Matters (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Company
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital	$ 1,485,917	$ 1,458,344
Common Equity Tier One Capital Ratio	11.59%	11.44%
Total capital (to risk-weighted assets), Amount
Total Capital, Actual	$ 1,679,171	$ 1,649,664
Total Capital, Required For Capital Adequacy Purposes	1,025,353	1,019,952
Required for Capital Adequacy with Capital Buffer	1,345,776	1,259,004
Tier I capital (to risk-weighted assets), Amount
Tier I Capital, Actual (Risk Based)	1,584,218	1,556,371
Tier I Capital, Required For Capital Adequacy Purposes	769,015	764,964
Tier 1 Capital, Required for Capital Adequacy with Capital Buffer	1,089,438	1,004,015
Tier I capital (to average assets), Amount
Tier I Capital, Actual (Leverage)	1,584,218	1,556,371
Tier I Capital, Required For Capital Adequacy Purposes	$ 594,301	$ 590,176
Total capital and Tier I capital (to risk-weighted assets), Ratio
Total Capital (to Risk Weighted Assets), Actual	13.10%	12.94%
Total Capital (to Risk Weighted Assets), Minimum For Capital Adequacy Purposes	8.00%	8.00%
Total Capital (to Risk Weighted assets), Minimum Required for Capital Adequacy with Capital Buffer	10.50%	9.875%
Tier I Capital (to Risk Weighted Assets), Actual (Risk Based)	12.36%	12.21%
Tier I Capital (to Risk Weighted Assets), Minimum For Capital Adequacy Purposes (Risk Based)	6.00%	6.00%
Tier 1 Capital (to Risk Weighted Assets), Minimum Required for Capital Adequacy with Capital Buffer	8.50%	7.875%
Tier I capital (to average assets), Ratio
Tier I Capital (to Average Assets), Actual (Leverage)	10.66%	10.55%
Tier I Capital (to Average Assets), Minimum For Capital Adequacy Purposes (Leverage)	4.00%	4.00%
Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital	$ 1,764,757	$ 1,737,092
Common Equity Tier One Capital Ratio	13.77%	13.63%
Total capital (to risk-weighted assets), Amount
Total Capital, Actual	$ 1,859,710	$ 1,830,385
Total Capital, Required For Capital Adequacy Purposes	1,025,276	1,019,910
Required for Capital Adequacy with Capital Buffer	1,345,675	1,258,951
Required To Be Well Capitalized under Prompt Corrective Action Provisions	1,281,595	1,274,887
Tier I capital (to risk-weighted assets), Amount
Tier I Capital, Actual (Risk Based)	1,764,757	1,737,092
Tier I Capital, Required For Capital Adequacy Purposes	768,957	764,932
Tier 1 Capital, Required for Capital Adequacy with Capital Buffer	897,117	812,740
Tier I Capital, Minimum to be Well Capitalized Under Prompt Corrective Action Provisions (Risk Based)	1,025,276	1,019,910
Tier I capital (to average assets), Amount
Tier I Capital, Actual (Leverage)	1,764,757	1,737,092
Tier I Capital, Required For Capital Adequacy Purposes	594,392	590,639
Tier I Capital, Minimum to be Well Capitalized Under Prompt Corrective Action Provisions (Leverage)	$ 742,990	$ 738,299
Total capital and Tier I capital (to risk-weighted assets), Ratio
Total Capital (to Risk Weighted Assets), Actual	14.51%	14.36%
Total Capital (to Risk Weighted Assets), Minimum For Capital Adequacy Purposes	8.00%	8.00%
Total Capital (to Risk Weighted assets), Minimum Required for Capital Adequacy with Capital Buffer	10.50%	9.875%
Total Capital (to Risk Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions	10.00%	10.00%
Tier I Capital (to Risk Weighted Assets), Actual (Risk Based)	13.77%	13.63%
Tier I Capital (to Risk Weighted Assets), Minimum For Capital Adequacy Purposes (Risk Based)	6.00%	6.00%
Tier 1 Capital (to Risk Weighted Assets), Minimum Required for Capital Adequacy with Capital Buffer	8.50%	7.875%
Common Equity Tier One Capital Required to be Well-Capitalized	$ 833,037	$ 828,677
Tier I Capital (to Risk Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions (Risk Based)	8.00%	8.00%
Tier I capital (to average assets), Ratio
Tier I Capital (to Average Assets), Actual (Leverage)	11.88%	11.76%
Tier I Capital (to Average Assets), Minimum For Capital Adequacy Purposes (Leverage)	4.00%	4.00%
Tier I Capital (to Average Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions (Leverage)	5.00%	5.00%
Common Equity Tier 1 | Company
Tier I capital (to risk-weighted assets), Amount
Tier I Capital, Required For Capital Adequacy Purposes	$ 576,761	$ 573,723
Tier 1 Capital, Required for Capital Adequacy with Capital Buffer	$ 897,184	$ 812,774
Total capital and Tier I capital (to risk-weighted assets), Ratio
Tier I Capital (to Risk Weighted Assets), Minimum For Capital Adequacy Purposes (Risk Based)	4.50%	4.50%
Tier 1 Capital (to Risk Weighted Assets), Minimum Required for Capital Adequacy with Capital Buffer	7.00%	6.375%
Common Equity Tier 1 | Bank
Tier I capital (to risk-weighted assets), Amount
Tier I Capital, Required For Capital Adequacy Purposes	$ 576,718	$ 573,669
Tier 1 Capital, Required for Capital Adequacy with Capital Buffer	$ 897,117	$ 812,740
Total capital and Tier I capital (to risk-weighted assets), Ratio
Tier I Capital (to Risk Weighted Assets), Minimum For Capital Adequacy Purposes (Risk Based)	4.50%	4.50%
Tier 1 Capital (to Risk Weighted Assets), Minimum Required for Capital Adequacy with Capital Buffer	7.00%	6.375%
Tier I Capital (to Risk Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions (Risk Based)	6.50%	6.50%

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Revenue Recognition - Service Charged on Deposit Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Service fees on deposit accounts	$ 4,317	$ 4,801
Wire transfer fees	1,089	1,207
Wire transfer fees
Disaggregation of Revenue [Line Items]
Wire transfer fees	934	1,080
Foreign exchange fees
Disaggregation of Revenue [Line Items]
Wire transfer fees	155	127
Noninterest Bearing Deposits
Disaggregation of Revenue [Line Items]
Service fees on deposit accounts	4,301	4,787
Noninterest Bearing Deposits | Monthly service charges
Disaggregation of Revenue [Line Items]
Service fees on deposit accounts	423	439
Noninterest Bearing Deposits | Customer analysis charges
Disaggregation of Revenue [Line Items]
Service fees on deposit accounts	1,723	2,024
Noninterest Bearing Deposits | NSF charges
Disaggregation of Revenue [Line Items]
Service fees on deposit accounts	1,941	2,091
Noninterest Bearing Deposits | Other service charges
Disaggregation of Revenue [Line Items]
Service fees on deposit accounts	214	233
Interest-bearing Deposits | Monthly service charges
Disaggregation of Revenue [Line Items]
Service fees on deposit accounts	$ 16	$ 14

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Revenue Recognition - OREO Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue from Contract with Customer [Abstract]
Gains (losses) on sales of OREO	$ 3	$ 72