10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

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

For the quarterly period ended September 30, 2016

OR

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

Commission File Number 0-29480

HERITAGE FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Washington	91-1857900
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
201 Fifth Avenue SW, Olympia, WA	98501
(Address of principal executive offices)	(Zip Code)

(360) 943-1500

(Registrant’s telephone number, including area code)

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  ý    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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  ý    No  ¨

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

Large accelerated filer	¨	Accelerated filer	x
Non-accelerated filer	¨	Smaller reporting company	¨

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

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the last practicable date:

As of October 26, 2016 there were 29,946,823 shares of the registrant's common stock, no par value per share, outstanding.

HERITAGE FINANCIAL CORPORATION

FORM 10-Q

INDEX

September 30, 2016

		Page
FORWARD LOOKING STATEMENTS
Part I.	FINANCIAL INFORMATION	4
Item 1.	FINANCIAL STATEMENTS	4
	Condensed Consolidated Statements of Financial Condition as of September 30, 2016 and December 31, 2015	4
	Condensed Consolidated Statements of Income for the Three and Nine Months Ended September 30, 2016 and 2015	5
	Condensed Consolidated Statements of Comprehensive Income for the Three and Nine Months Ended September 30, 2016 and 2015	6
	Condensed Consolidated Statements of Stockholders’ Equity for the Nine Months Ended September 30, 2016 and 2015	7
	Condensed Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2016 and 2015	8
	Notes to Condensed Consolidated Financial Statements	10
Item 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	45
Item 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	68
Item 4.	CONTROLS AND PROCEDURES	68
Part II.	OTHER INFORMATION	68
Item 1.	LEGAL PROCEEDINGS	68
Item 1A.	RISK FACTORS	68
Item 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	69
Item 3.	DEFAULTS UPON SENIOR SECURITIES	69
Item 4.	MINE SAFETY DISCLOSURES	69
Item 5.	OTHER INFORMATION	69
Item 6.	EXHIBITS	70
	SIGNATURES	72
	CERTIFICATIONS

2

FORWARD LOOKING STATEMENTS:

“Safe Harbor” statement under the Private Securities Litigation Reform Act of 1995: This Quarterly Report on Form 10-Q ("Form 10-Q") contains forward-looking statements that are subject to risks and uncertainties, including, but not limited to: our ability to successfully integrate any assets, liabilities, customers, systems, and management personnel we have acquired, including those from the Cowlitz Bank, Pierce Commercial Bank, Northwest Commercial Bank, Valley Community Bancshares, Inc. and the Washington Banking Company transactions described in this Form 10-Q, or may in the future acquire, into our operations and our ability to realize related revenue synergies and cost savings within expected time frames or at all, and any goodwill charges related thereto and costs or difficulties relating to integration matters, including but not limited to customer and employee retention, which might be greater than expected; the credit risks of lending activities, including changes in the level and trend of loan delinquencies and write-offs and changes in our allowance for loan losses and provision for loan losses that may be effected by deterioration in the housing and commercial real estate markets, which may lead to increased losses and nonperforming assets in our loan portfolio, and may result in our allowance for loan losses no longer being adequate to cover actual losses, and require us to increase our allowance for loan losses; changes in general economic conditions, either nationally or in our market areas; changes in the levels of general interest rates, and the relative differences between short and long term interest rates, deposit interest rates, our net interest margin and funding sources; risks related to acquiring assets in or entering markets in which we have not previously operated and may not be familiar; fluctuations in the demand for loans, the number of unsold homes and other properties and fluctuations in real estate values in our market areas; results of examinations of us by the Board of Governors of the Federal Reserve System and of our bank subsidiary by the Federal Deposit Insurance Corporation ("FDIC"), the Washington State Department of Financial Institutions, Division of Banks or other regulatory authorities, including the possibility that any such regulatory authority may, among other things, initiate an enforcement action against the Company or our bank subsidiary which could require us to increase our allowance for loan losses, write-down assets, change our regulatory capital position, affect our ability to borrow funds or maintain or increase deposits, or impose additional requirements on us, any of which could affect our ability to continue our growth through mergers, acquisitions or similar transactions and adversely affect our liquidity and earnings; legislative or regulatory changes; our ability to control operating costs and expenses; further increases in premiums for deposit insurance; the use of estimates in determining fair value of certain of our assets, which estimates may prove to be incorrect and result in significant declines in valuation; difficulties in reducing risk associated with the loans on our Condensed Consolidated Statements of Financial Condition; staffing fluctuations in response to product demand or the implementation of corporate strategies that affect our workforce and potential associated charges; failure or security breach of computer systems on which we depend; our ability to retain key members of our senior management team; costs and effects of litigation, including settlements and judgments; our ability to implement our expansion strategy of pursuing acquisitions and de novo branching; increased competitive pressures among financial service companies; changes in consumer spending, borrowing and savings habits; the availability of resources to address changes in laws, rules, or regulations or to respond to regulatory actions; adverse changes in the securities markets; inability of key third-party providers to perform their obligations to us; changes in accounting policies and practices, as may be adopted by the financial institution regulatory agencies or the Financial Accounting Standards Board, including additional guidance and interpretation on accounting issues and details of the implementation of new accounting methods; and other economic, competitive, governmental, regulatory, and technological factors affecting our operations, pricing, products and services and other risks detailed from time to time in our filings with the Securities and Exchange Commission including our Annual Report on Form 10-K for the year ended December 31, 2015.

The Company cautions readers not to place undue reliance on any forward-looking statements. Moreover, you should treat these statements as speaking only as of the date they are made and based only on information then actually known to the Company. The Company does not undertake and specifically disclaims any obligation to revise any forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date of such statements. These risks could cause our actual results for future periods to differ materially from those expressed in any forward-looking statements by, or on behalf of, us, and could negatively affect the Company’s operating results and stock price performance.

As used throughout this report, the terms “we”, “our”, “us”, or the “Company” refer to Heritage Financial Corporation and its consolidated subsidiaries, unless the context otherwise requires.

3

PART I.     FINANCIAL INFORMATION

ITEM 1.     FINANCIAL STATEMENTS

HERITAGE FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION

(Unaudited)

	September 30, 2016			December 31, 2015
	(Dollars in thousands)
ASSETS
Cash on hand and in banks	$	86,142		$	63,816
Interest earning deposits	26,618			62,824
Cash and cash equivalents	112,760			126,640
Other interest earning deposits	5,461			6,719
Investment securities available for sale, at fair value	819,159			811,869
Loans held for sale	8,964			7,682
Loans receivable, net	2,578,977			2,402,042
Allowance for loan losses	(30,211		)	(29,746		)
Total loans receivable, net	2,548,766			2,372,296
Other real estate owned	—			2,019
Premises and equipment, net	63,312			61,891
Federal Home Loan Bank stock, at cost	5,088			4,148
Bank owned life insurance	69,962			60,876
Accrued interest receivable	11,327			10,469
Prepaid expenses and other assets	74,816			58,365
Other intangible assets, net	7,732			8,789
Goodwill	119,029			119,029
Total assets	$	3,846,376		$	3,650,792
LIABILITIES AND STOCKHOLDERS' EQUITY
Deposits	$	3,242,421		$	3,108,287
Federal Home Loan Bank advances	17,700			—
Junior subordinated debentures	19,644			19,424
Securities sold under agreement to repurchase	22,425			23,214
Accrued expenses and other liabilities	48,174			29,897
Total liabilities	3,350,364			3,180,822
Stockholders’ equity:
Preferred stock, no par value, 2,500,000 shares authorized; no shares issued and outstanding at September 30, 2016 and December 31, 2015	—			—
Common stock, no par value, 50,000,000 shares authorized; 29,946,823 and 29,975,439 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	358,451			359,451
Retained earnings	126,497			107,960
Accumulated other comprehensive income, net	11,064			2,559
Total stockholders’ equity	496,012			469,970
Total liabilities and stockholders’ equity	$	3,846,376		$	3,650,792

See accompanying Notes to Condensed Consolidated Financial Statements.

4

HERITAGE FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016		2015
	(Dollars in thousands, except per share amounts)
INTEREST INCOME
Interest and fees on loans	$	30,915		$	30,179		$	91,595	$	91,213
Taxable interest on investment securities	2,888			2,187			8,522		7,199
Nontaxable interest on investment securities	1,235			1,056			3,599		3,137
Interest and dividends on other interest earning assets	76			62			225		173
Total interest income	35,114			33,484			103,941		101,722
INTEREST EXPENSE
Deposits	1,269			1,335			3,765		3,961
Junior subordinated debentures	221			195			647		627
Other borrowings	18			14			78		50
Total interest expense	1,508			1,544			4,490		4,638
Net interest income	33,606			31,940			99,451		97,084
Provision for loan losses	1,495			851			3,754		3,247
Net interest income after provision for loan losses	32,111			31,089			95,697		93,837
NONINTEREST INCOME
Service charges and other fees	3,630			3,593			10,462		10,575
Gain on sale of investment securities, net	345			393			1,106		1,362
Gain on sale of loans, net	3,435			1,411			5,406		3,828
Gain on termination of FDIC shared-loss agreements	—			1,747			—		1,747
Gain on sale of Merchant Visa portfolio	—			—			—		1,650
Other income	2,457			2,400			6,459		5,607
Total noninterest income	9,867			9,544			23,433		24,769
NONINTEREST EXPENSE
Compensation and employee benefits	15,633			14,918			45,652		42,984
Occupancy and equipment	3,926			3,970			11,873		11,511
Data processing	1,943			2,398			5,564		5,950
Marketing	745			899			2,254		2,595
Professional services	830			894			2,508		2,602
State and local taxes	820			619			2,031		1,808
Federal deposit insurance premium	296			499			1,316		1,537
Other real estate owned, net	(142		)	(5		)	330		854
Amortization of intangible assets	359			523			1,057		1,577
Other expense	2,408			2,607			7,079		8,021
Total noninterest expense	26,818			27,322			79,664		79,439
Income before income taxes	15,160			13,311			39,466		39,167
Income tax expense	4,121			3,819			10,441		11,171
Net income	$	11,039		$	9,492		$	29,025	$	27,996
Basic earnings per common share	$	0.37		$	0.32		$	0.97	$	0.93
Diluted earnings per common share	$	0.37		$	0.32		$	0.97	$	0.93
Dividends declared per common share	$	0.12		$	0.11		$	0.35	$	0.32

See accompanying Notes to Condensed Consolidated Financial Statements.

5

HERITAGE FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Net income	$	11,039		$	9,492		$	29,025		$	27,996
Change in fair value of investment securities available for sale, net of tax of $(570), $1,657, $4,983 and $1,300, respectively	(1,055		)	3,064			9,223			2,407
Reclassification adjustment for net gain from sale of investment securities available for sale included in income, net of tax of $(121), $(138), $(388) and $(520), respectively	(224		)	(255		)	(718		)	(967		)
Accretion of other-than-temporary impairment on investment securities, net of tax of $0, $0, $0 and $4, respectively	—			—			—			108
Reclassification of remaining unaccreted other-than-temporary impairment upon sale of investment securities held to maturity included in income, net of tax $0, $0, $0 and $44, respectively	—			—			—			81
Other comprehensive (loss) income	(1,279		)	2,809			8,505			1,629
Comprehensive income	$	9,760		$	12,301		$	37,530		$	29,625

See accompanying Notes to Condensed Consolidated Financial Statements.

6

HERITAGE FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(Unaudited)

	Number of common shares		Common stock			Retained earnings			Accumulated other comprehensive income, net		Total stock- holders’ equity
	(In thousands, except per share amounts)
Balance at December 31, 2014	30,260		$	364,741		$	86,387		$	3,378	$	454,506
Restricted and unrestricted stock awards issued, net of forfeitures	118		—			—			—		—
Exercise of stock options (including excess tax benefits from nonqualified stock options)	53		686			—			—		686
Restricted stock compensation expense	—		1,125			—			—		1,125
Net excess tax benefits from vesting of restricted stock	—		105			—			—		105
Common stock repurchased	(464	)	(7,730		)	—			—		(7,730		)
Net income	—		—			27,996			—		27,996
Other comprehensive income, net of tax	—		—			—			1,629		1,629
Cash dividends declared on common stock ($0.32 per share)	—		—			(9,621		)	—		(9,621		)
Balance at September 30, 2015	29,967		$	358,927		$	104,762		$	5,007	$	468,696
Balance at December 31, 2015	29,975		$	359,451		$	107,960		$	2,559	$	469,970
Restricted and unrestricted stock awards issued, net of forfeitures	111		—			—			—		—
Exercise of stock options (including excess tax benefits from nonqualified stock options)	28		421			—			—		421
Restricted stock compensation expense	—		1,367			—			—		1,367
Net excess tax benefits from vesting of restricted stock	—		99			—			—		99
Common stock repurchased	(167	)	(2,887		)	—			—		(2,887		)
Net income	—		—			29,025			—		29,025
Other comprehensive income, net of tax	—		—			—			8,505		8,505
Cash dividends declared on common stock ($0.35 per share)	—		—			(10,488		)	—		(10,488		)
Balance at September 30, 2016	29,947		$	358,451		$	126,497		$	11,064	$	496,012

See accompanying Notes to Condensed Consolidated Financial Statements.

7

HERITAGE FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine Months Ended September 30,
	2016			2015
	(In thousands)
Cash flows from operating activities:
Net income	$	29,025		$	27,996
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,543			10,486
Changes in net deferred loan costs, net of amortization	(971		)	(1,257		)
Provision for loan losses	3,754			3,247
Net change in accrued interest receivable, FDIC indemnification asset, prepaid expenses and other assets, accrued expenses and other liabilities	(193		)	(4,085		)
Restricted stock compensation expense	1,367			1,125
Net excess tax benefit from exercise of stock options and vesting of restricted stock	(119		)	(125		)
Amortization of intangible assets	1,057			1,577
Gain on sale of investment securities, net	(1,106		)	(1,362		)
Origination of loans held for sale	(99,513		)	(102,310		)
Gain on sale of loans, net	(5,406		)	(3,828		)
Proceeds from sale of loans	103,637			103,739
Earnings on bank owned life insurance	(1,086		)	(769		)
Valuation adjustment on other real estate owned	383			415
(Gain) loss on sale of other real estate owned, net	(173		)	94
Gain on termination of FDIC shared-loss agreements	—			(1,747		)
Loss (gain) on sale or write-off of furniture, equipment and leasehold improvements	107			(1		)
Net cash provided by operating activities	40,306			33,195
Cash flows from investing activities:
Loans originated, net of principal payments	(179,930		)	(156,106		)
Maturities of other interest earning deposits	1,248			4,836
Maturities, calls and payments of investment securities available for sale	94,328			91,915
Maturities, calls and payments of investment securities held to maturity	—			1,897
Purchase of investment securities available for sale	(188,164		)	(158,048		)
Purchase of premises and equipment	(5,128		)	(1,409		)
Proceeds from sales of other real estate owned	2,486			3,199
Proceeds from sales of investment securities available for sale	94,380			102,937
Proceeds from sales of investment securities held to maturity	—			972
Proceeds from redemption of FHLB stock	15,416			8,040
Purchases of FHLB stock	(16,356		)	—
Proceeds from sale of premises and equipment	659			10
Purchase of bank owned life insurance	(8,000		)	(25,000		)
Investment in low-income housing tax credit partnership	(3,315		)	(442		)
Net cash used for termination of FDIC shared-loss agreements	—			(7,110		)
Net cash used in investing activities	(192,376		)	(134,309		)

8

	Nine Months Ended September 30,
	2016			2015
	(In thousands)
Cash flows from financing activities:
Net increase in deposits	134,134			147,867
FHLB advances	403,100			—
Repayments of FHLB advances	(385,400		)	—
Common stock cash dividends paid	(10,488		)	(9,621		)
Net decrease in securities sold under agreement to repurchase	(789		)	(9,352		)
Proceeds from exercise of stock options	401			666
Net excess tax benefit from exercise of stock options and vesting of restricted stock	119			125
Repurchase of common stock	(2,887		)	(7,730		)
Net cash provided by financing activities	138,190			121,955
Net (decrease) increase in cash and cash equivalents	(13,880		)	20,841
Cash and cash equivalents at beginning of period	126,640			121,636
Cash and cash equivalents at end of period	$	112,760		$	142,477
Supplemental disclosures of cash flow information:
Cash paid for interest	$	4,533		$	4,841
Cash paid for income taxes	9,000			12,286
Supplemental non-cash disclosures of cash flow information:
Transfers of loans receivable to other real estate owned	$	677		$	2,424
Investment in low income housing tax credit partnership and related funding commitment	19,663			—

See accompanying Notes to Condensed Consolidated Financial Statements.

9

HERITAGE FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(1) Description of Business, Basis of Presentation, Significant Accounting Policies and Recently Issued Accounting Pronouncements

(a) Description of Business

Heritage Financial Corporation ("Heritage" or the “Company”) is a bank holding company that was incorporated in the State of Washington in August 1997. The Company is primarily engaged in the business of planning, directing and coordinating the business activities of its wholly-owned subsidiary, Heritage Bank (the “Bank”). The Bank is a Washington-chartered commercial bank and its deposits are insured by the FDIC under the Deposit Insurance Fund. The Bank is headquartered in Olympia, Washington and conducts business from its 63 branch offices located throughout Washington State and the greater Portland, Oregon area. The Bank’s business consists primarily of commercial lending and deposit relationships with small businesses and their owners in its market areas and attracting deposits from the general public. The Bank also makes real estate construction and land development loans and consumer loans and originates first mortgage loans on residential properties primarily located in its market area.

The Company has expanded its footprint through mergers and acquisitions. The largest of these transactions was the strategic merger with Washington Banking Company (“Washington Banking”) and its wholly owned subsidiary bank, Whidbey Island Bank ("Whidbey"). Effective May 1, 2014, Washington Banking merged with and into Heritage and Whidbey merged with and into Heritage Bank and this transaction is referred to herein as the "Washington Banking Merger". In connection with the Washington Banking Merger, Heritage also acquired as a subsidiary the Washington Banking Master Trust, a Delaware statutory business trust. Pursuant to the merger agreement, Heritage assumed the performance and observance of the covenants to be performed by Washington Banking under an indenture relating to $25.0 million in trust preferred securities issued in 2007 and the due and punctual payment of the principal of and premium and interest on such trust preferred securities. For additional information, see Note (8) Junior Subordinated Debentures.

(b) Basis of Presentation

The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the accounting principles generally accepted in the United States (“U.S. GAAP”) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. It is recommended that these unaudited Condensed Consolidated Financial Statements and accompanying Notes be read with the audited Consolidated Financial Statements and the accompanying Notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015 (“2015 Annual Form 10-K”). In management's opinion, all adjustments (consisting only of normal recurring adjustments) considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2016 are not necessarily indicative of the results that may be expected for the year ending December 31, 2016. In preparing the unaudited Condensed Consolidated Financial Statements, management is required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and related disclosures. Management believes that the judgments, estimates and assumptions used in the preparation of the financial statements are appropriate based on the facts and circumstances at the time. Actual results, however, could differ from those estimates.

Certain prior period amounts have been reclassified to conform to the current period’s presentation. The Company reclassified $56.6 million of loans receivable previously classified as owner-occupied commercial real estate at December 31, 2015 to non-owner occupied commercial real estate for all comparative tables in Note (3) Loans Receivable. The related allowance for loan losses and provision for loan losses for all historical periods in Note (4) Allowance for Loan Losses were also reclassified. None of these loans were considered impaired at September 30, 2016 or December 31, 2015. The reclassification was due to a review of certain loan products, including hotels, assisted-living housing and self-storage units, for which the Bank determined the risk characteristics were more akin to non-owner occupied loans. The Company also reclassified $179.0 million fair value ($179.8 million amortized cost) of mortgage backed securities and collateralized mortgage obligations previously classified as residential to commercial based on a detailed review of the investment types. The reclassifications had no effect on prior periods' net income or stockholders’ equity.

(c) Significant Accounting Policies

The significant accounting policies used in preparation of the Company's Condensed Consolidated Financial Statements are disclosed in the 2015 Annual Report on Form 10-K. There have not been any material changes in the Company's significant accounting policies from those contained in the 2015 Annual Report on Form 10-K.

10

(d) Recently Issued Accounting Pronouncements

Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU" or "Update") 2014-09, Revenue from Contracts with Customers, was issued in May 2014. Under this Update, FASB created a new Topic 606 which is in response to a joint initiative of FASB and the International Accounting Standards Board to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP and international financial reporting standards that would:

• Remove inconsistencies and weaknesses in revenue requirements.

• Provide a more robust framework for addressing revenue issues.

• Improve comparability of revenue recognition practices across entities, industries, jurisdictions, and capital markets.

• Provide more useful information to users of financial statements through improved disclosure requirements.

• Simplify the preparation of financial statements by reducing the number of requirements to which an entity must refer.

The original effective date for this Update was deferred in FASB ASU 2015-14 below. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2015-14, Revenue from Contracts with Customers, was issued in August 2015 and defers the effective date of the above-mentioned FASB ASU 2014-09 for certain entities. Public business entities, certain not-for-profit entities, and certain employee benefit plans should apply the guidance in Update 2014-09 to annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Earlier application is now permitted, but only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The Company is a public business entity and will not early adopt the guidance in Update 2014-09 as permitted in this Update. The Company is currently evaluating the impact that Update 2014-09 will have on its Condensed Consolidated Financial Statements upon adoption.

FASB ASU 2015-16, Business Combinations (Topic 805), was issued in September 2015. Topic 805 requires that an acquirer retrospectively adjust provisional amounts recognized in a business combination, during the measurement period. To simplify the accounting for adjustments made to provisional amounts, the Update requires that the acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amount is determined. The acquirer is required to also record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization, or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date.  In addition, an entity is required to present separately on the income statement or disclose in the notes to the financial statements the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. The Update did not have an impact on the Company's Condensed Consolidated Financial Statements as of September 30, 2016.

FASB ASU 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities (Subtopic 825-10), was issued in January 2016, to enhance the reporting model for financial instruments to provide users of financial statements with more decision-useful information. This Update contains several provisions, including but not limited to 1) requiring equity investments, with certain exceptions, to be measured at fair value with changes in fair value recognized in net income; 2) simplifying the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; 3) eliminating the requirement to disclose the method(s) and significant assumptions used to estimate fair value; and 4) requiring separate presentation of financial assets and liabilities by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements. The Update also changes certain financial statement disclosure requirements, including requiring disclosures of the fair value of financial instruments be made on the basis of exit price. The Update is effective for public entities for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-02, Leases (Topic 842), was issued in February 2016, to increase transparency and comparability of leases among organizations and to disclose key information about leasing arrangements. The Update sets out the principles for the recognition, measurement, presentation and disclosure of leases for both lessees and lessors. The Update requires lessees to apply a dual approach, classifying leases as either a finance or operating lease. This classification will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term greater than 12 months regardless of their classification. All cash payments

11

will be classified within operating activities in the statement of cash flows. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. The Update is effective for public entities for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-08, Revenue from Contracts with Customers: Principal versus Agent Considerations, was issued in March 2016 and it clarifies the implementation guidance of the above-mentioned FASB ASU 2014-09 as it relates to principal versus agent considerations. The Update addresses identifying the unit of account and nature of the goods or services as well as applying the control principle and interactions with the control principle. The amendments to the Update do not change the core principle of the guidance. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-09, Stock Compensation (Topic 718), issued in March 2016, is intended to simplify several aspects of the accounting for share-based payment award transactions. For public business entities, the guidance is effective for annual periods after December 15, 2016, including interim periods within those annual periods with early adoption permitted. Certain amendments will be applied using a modified retrospective transition method by means of a cumulative-effect adjustment to equity as of the beginning of the period in which the guidance is adopted. Other amendments will be applied retroactively (such as presentation of employee taxes paid on the statement of cash flows) or prospectively (such as recognition of excess tax benefits on the income statement). The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, was issued in April 2016 which clarifies the implementation guidance of the above-mentioned FASB ASU 2014-09 as it relates to identifying performance obligations and licensing. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-scope Improvements and Practical Expedients, was issued in May 2016. The amendments in this Update do not change the core principle of the guidance in Topic 606. Rather, the amendments in this Update affect only the narrow aspects of Topic 606. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-13, Financial Instruments: Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, was issued in June 2016. Commonly referred to as the current expected credit loss model("CECL"), this Update requires financial assets measured at amortized cost basis to be presented at the net amount expected to be collected. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset to present the net carrying value at the amount expected to be collected on the financial asset. The measurement of expected credit losses is based on relevant information about past events including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectibility of the reported amount. The amendment affects loans, debt securities, trade receivables, net investments in leases, off-balance-sheet credit exposures, reinsurance receivables, and any other financial asset not excluded from the scope that have the contractual right to receive cash. The Update replaces the incurred loss impairment methodology, which generally only considered past events and current conditions, with a methodology that reflects the expected credit losses and required consideration of a broader range of reasonable and supportable information to estimate all expected credit losses. The Update additionally addresses purchased assets and introduces the purchased financial asset with a more-than-insignificant amount of credit deterioration since origination ("PCD"). The accounting for these PCD assets is similar to the existing accounting guidance of FASB Accounting Standards Codification ("ASC") 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality, for purchased credit impaired ("PCI") assets, except the subsequent improvements in estimated cash flows will be immediately recognized into income, similar to the immediate recognition of subsequent deteriorations in cash flows. Current guidance only allows for the prospective recognition of these cash flow improvements. Because the terminology has been changed to a "more-than-insignificant" amount of credit deterioration, the presumption is that more assets might qualify for this accounting under the Update than those under current guidance. For public business entities, the Update is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years with early adoption permitted for fiscal years after December 15, 2018. An entity will apply the amendments through a cumulative-effect adjustment to retained

12

earnings as of the beginning of the first reporting period in which the guidance is adopted. A prospective transition approach is required for debt securities. An entity that has previously applied the guidance of ASC 310-30 will prospectively apply the guidance in this Update for PCD assets. A prospective transition approach should be used for PCD assets where upon adoption, the amortized cost basis should be adjusted to reflect the addition of the allowance for credit losses. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-15, Statement of Cash Flows (Topic 213): Classification of Certain Cash Receipts and Cash Payments, was issued in August 2016. The Update addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. For public business entities, the guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is permitted and must be applied using a retrospective transitional method to each period presented. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

(2) Investment Securities

The Company’s investment policy is designed primarily to provide and maintain liquidity, generate a favorable return on assets without incurring undue interest rate and credit risk, and complement the Bank’s lending activities. Securities are classified as either available for sale or held to maturity when acquired. During the year ended December 31, 2015, the Company transferred all of its investment securities previously classified as held to maturity to available for sale. As a result of the transfer and subsequent sales, the Company believes its held to maturity classification process has been compromised and careful evaluation and analysis will be required going forward in determining when circumstances are suitable for management to assert with a sufficient degree of credibility that it has the intent and ability to hold investments to maturity.

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(a) Securities by Type and Maturity

The amortized cost, gross unrealized gains, gross unrealized losses and fair values of investment securities available for sale at the dates indicated were as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
September 30, 2016
U.S. Treasury and U.S. Government-sponsored agencies	$	5,565	$	29	$	—		$	5,594
Municipal securities	236,913		9,169		(378		)	245,704
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	337,689		5,340		(272		)	342,757
Commercial	194,666		3,276		(105		)	197,837
Collateralized loan obligations	14,032		9		(52		)	13,989
Corporate obligations	13,201		7		(25		)	13,183
Other equities	45		50		—			95
Total	$	802,111	$	17,880	$	(832	)	$	819,159
December 31, 2015
U.S. Treasury and U.S. Government-sponsored agencies	$	35,618	$	145	$	(186	)	$	35,577
Municipal securities	216,352		4,826		(185		)	220,993
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	351,606		1,749		(1,331		)	352,024
Commercial	179,797		343		(1,129		)	179,011
Collateralized loan obligations	15,251		—		(154		)	15,097
Corporate obligations	9,252		—		(139		)	9,113
Other equities	45		9		—			54
Total	$	807,921	$	7,072	$	(3,124	)	$	811,869

⁽¹⁾ U.S. Government-sponsored agencies.

There were no securities classified as trading or held to maturity at September 30, 2016 or December 31, 2015.

The amortized cost and fair value of investment securities available for sale at September 30, 2016, by contractual maturity, are set forth below. Actual maturities may differ from contractual maturities because certain borrowers have the right to call or prepay obligations with or without call or prepayment penalties.

	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	3,564	$	3,578
Due after one year through five years	121,014		123,124
Due after five years through ten years	232,087		237,820
Due after ten years	445,401		454,542
Investment securities with no stated maturities	45		95
Total	$	802,111	$	819,159

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(b) Unrealized Losses and Other-Than-Temporary Impairments

The following table shows the gross unrealized losses and fair value of the Company's investment securities available for sale that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that the individual securities have been in continuous unrealized loss positions as of September 30, 2016 and December 31, 2015 were as follows:

	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(In thousands)
September 30, 2016
Municipal securities	$	22,030	$	(378	)	$	—	$	—		$	22,030	$	(378	)
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	27,459		(128		)	17,416		(144		)	44,875		(272		)
Commercial	38,378		(79		)	8,240		(26		)	46,618		(105		)
Collateralized loan obligations	—		—			11,130		(52		)	11,130		(52		)
Corporate obligations	6,021		(21		)	4,022		(4		)	10,043		(25		)
Total	$	93,888	$	(606	)	$	40,808	$	(226	)	$	134,696	$	(832	)
December 31, 2015
U.S. Treasury and U.S. Government-sponsored agencies	$	30,381	$	(186	)	$	—	$	—		$	30,381	$	(186	)
Municipal securities	21,929		(174		)	2,068		(11		)	23,997		(185		)
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	173,959		(870		)	39,891		(461		)	213,850		(1,331		)
Commercial	79,103		(1,117		)	4,047		(12		)	83,150		(1,129		)
Collateralized loan obligations	15,097		(154		)	—		—			15,097		(154		)
Corporate obligations	8,134		(110		)	979		(29		)	9,113		(139		)
Total	$	328,603	$	(2,611	)	$	46,985	$	(513	)	$	375,588	$	(3,124	)

⁽¹⁾ U.S. Government-sponsored agencies.

The Company has evaluated these investment securities available for sale as of September 30, 2016 and December 31, 2015 and has determined that the decline in their value is temporary. The unrealized losses are primarily due to increases in market interest rates. The fair value of these securities is expected to recover as the securities approach their maturity date. None of the underlying bonds of the municipal securities had credit ratings that were below investment grade levels at September 30, 2016 or December 31, 2015. The Company has the ability and intent to hold the investments until recovery of the securities' amortized cost which may be the maturity date of the securities.

All of the other-than-temporary impairment experienced by the Company in historical periods has been related to its portfolio of private-residential collateralized mortgage obligations. As there were no private-residential collateralized mortgage obligations at September 30, 2016 and December 31, 2015, the Company did not perform an other-than-temporary impairment analysis for the three and nine months ended September 30, 2016 on these securities. For the three and nine months ended September 30, 2015, there were no investment securities held to maturity determined to be other-than-temporarily impaired and the Company recorded no unrealized losses for the three and nine months ended September 30, 2015 in earnings or other comprehensive income. To analyze the unrealized losses, the Company estimated expected future cash flows of the investments by estimating the expected future cash flows of the underlying collateral and applying those collateral cash flows, together with any credit enhancements such as subordinated interests owned by third parties, to the security. The expected future cash flows of the underlying collateral were determined using the remaining contractual cash flows adjusted for future expected credit losses (which considers

15

current delinquencies and nonperforming assets, future expected default rates and collateral value by vintage and geographic region) and prepayments. The expected cash flows of the security were then discounted at the interest rate used to recognize interest income on the security to arrive at a present value amount. The Company did not use any impairment assumptions as of September 30, 2015 as the unrealized losses were insignificant.

(c) Pledged Securities

The following table summarizes the amortized cost and fair value of investment securities available for sale that are pledged as collateral for the following obligations at September 30, 2016 and December 31, 2015:

	September 30, 2016				December 31, 2015
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Washington and Oregon state to secure public deposits	$	220,203	$	226,536	$	212,325	$	215,284
Federal Reserve Bank of San Francisco and Federal Home Loan Bank to secure borrowing arrangements	—		—		506		506
Repurchase agreements	25,934		26,312		28,500		28,503
Other securities pledged	3,590		3,683		2,125		2,160
Total	$	249,727	$	256,531	$	243,456	$	246,453

(3) Loans Receivable

The Company originates loans in the ordinary course of business and has also acquired loans through FDIC-assisted and open bank transactions. Loans acquired in a business combination may be further classified as “purchased” loans. Loans purchased with evidence of credit deterioration since origination for which it is probable that not all contractually required payments will be collected are accounted for under FASB ASC310-30. These loans are identified as PCI, or purchased credit impaired loans. Loans purchased that are not accounted for under FASB ASC 310-30 are accounted for under FASB ASC 310-20, Receivables—Nonrefundable Fees and Other Costs, and are referred to as "non-PCI" loans.

Disclosures related to the Company's recorded investment in loans receivable generally exclude accrued interest receivable and net deferred loan origination fees and costs because they are insignificant.

(a) Loan Origination/Risk Management

The Company categorizes loans in one of the four segments of the total loan portfolio: commercial business, one-to-four family residential, real estate construction and land development and consumer. Within these segments are classes of loans for which management monitors and assesses credit risk in the loan portfolios. The Company has certain lending policies and procedures in place that are designed to maximize loan income within an acceptable level of risk. Management reviews and approves these policies and procedures on a regular basis. A reporting system supplements the review process by providing management with frequent reports related to loan production, loan quality, concentrations of credit, loan delinquencies, and nonperforming and potential problem loans. The Company also conducts internal loan reviews and validates the credit risk assessment on a periodic basis and presents the results of these reviews to management. The loan review process complements and reinforces the risk identification and assessment decisions made by loan officers and credit personnel, as well as the Company’s policies and procedures.

A discussion of the risk characteristics of each loan portfolio segment is as follows:

Commercial Business:

There are three significant classes of loans in the commercial portfolio segment: commercial and industrial loans, owner-occupied commercial real estate and non-owner occupied commercial real estate. The owner and non-owner occupied commercial real estate are both considered commercial real estate loans. As the commercial and industrial loans carry different risk characteristics than the commercial real estate loans, they are discussed separately below.

Commercial and industrial. Commercial and industrial loans are primarily made based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. The cash flows of borrowers, however, may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial and industrial loans are secured by the assets being financed or other business assets such as accounts receivable or inventory and may include a personal guarantee; however, some short-term loans may be made on an unsecured

16

basis. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.

Commercial real estate. The Company originates commercial real estate loans within its primary market areas. These loans are subject to underwriting standards and processes similar to commercial and industrial loans, in addition to those of real estate loans. These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Commercial real estate involves more risk than other classes of loans in that the lending typically involves higher loan principal amounts, and payments on loans secured by real estate properties are dependent on successful operation and management of the properties. Repayment of these loans may be more adversely affected by conditions in the real estate market or the economy. Owner-occupied commercial real estate loans are generally of lower credit risk than non-owner occupied commercial real estate loans as the borrowers' businesses are likely dependent on the properties.

One-to-Four Family Residential:

The majority of the Company’s one-to-four family residential loans are secured by single-family residences located in its primary market areas. The Company’s underwriting standards require that single-family portfolio loans generally are owner-occupied and do not exceed 80% of the lower of appraised value at origination or cost of the underlying collateral. Terms of maturity typically range from 15 to 30 years. Historically, the Company sold most single-family loans in the secondary market and retained a smaller portion in its loan portfolio. From the second quarter of 2013 until May 1, 2014, the Company only originated single-family loans for its loan portfolio. As a result of the Washington Banking Merger, since May 1, 2014 the Company has been originating and selling a majority of its single-family mortgages.

Real Estate Construction and Land Development:

The Company originates construction loans for one-to-four family residential and for five or more family residential and commercial properties. The one-to-four family residential construction loans generally include construction of custom homes whereby the home buyer is the borrower. The Company also provides financing to builders for the construction of pre-sold homes and, in selected cases, to builders for the construction of speculative residential property. Substantially all construction loans are short-term in nature and priced with variable rates of interest. Construction lending can involve a higher level of risk than other types of lending because funds are advanced partially based upon the value of the project, which is uncertain prior to the project’s completion. Because of the uncertainties inherent in estimating construction costs as well as the market value of a completed project and the effects of governmental regulation of real property, the Company’s estimates with regard to the total funds required to complete a project and the related loan-to-value ratio may vary from actual results. As a result, construction loans often involve the disbursement of substantial funds with repayment dependent, in part, on the success of the ultimate project and the ability of the borrower to sell or lease the property or refinance the indebtedness. If the Company’s estimate of the value of a project at completion proves to be overstated, it may have inadequate security for repayment of the loan and may incur a loss if the borrower does not repay the loan. Sources of repayment for these types of loans may be pre-committed permanent loans from approved long-term lenders, sales of developed property or an interim loan commitment from the Company until permanent financing is obtained. These loans are closely monitored by on-site inspections and are considered to have higher risks than other real estate loans due to their ultimate repayment being dependent upon successful completion of the construction project, interest rate changes, government regulation of real property, general economic conditions and the availability of long-term financing.

Consumer:

The Company originates consumer loans and lines of credit that are both secured and unsecured. The underwriting process for these loans ensures a qualifying primary and secondary source of repayment. Underwriting standards for home equity loans are significantly influenced by statutory requirements, which include, but are not limited to, a maximum loan-to-value percentage of 80%, collection remedies, the number of such loans a borrower can have at one time and documentation requirements. To monitor and manage consumer loan risk, policies and procedures are developed and modified, as needed. The majority of consumer loans are for relatively small amounts disbursed among many individual borrowers which reduces the credit risk for this type of loan. To further reduce the risk, trend reports are reviewed by management on a regular basis.

As a result of the Washington Banking Merger, the Company is originating indirect consumer loans. These loans are for new and used automobile and recreational vehicles that are originated indirectly by selected dealers located in the Company's market areas. The Company has limited its purchase of indirect loans primarily to dealerships that are established and well known in their market areas and to applicants that are not classified as sub-prime.

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Loans receivable at September 30, 2016 and December 31, 2015 consisted of the following portfolio segments and classes:

	September 30, 2016			December 31, 2015
	(In thousands)
Commercial business:
Commercial and industrial	$	638,082		$	596,726
Owner-occupied commercial real estate	578,147			572,609
Non-owner occupied commercial real estate	802,502			753,986
Total commercial business	2,018,731			1,923,321
One-to-four family residential	78,253			72,548
Real estate construction and land development:
One-to-four family residential	52,052			51,752
Five or more family residential and commercial properties	97,108			55,325
Total real estate construction and land development	149,160			107,077
Consumer	330,933			298,167
Gross loans receivable	2,577,077			2,401,113
Net deferred loan costs	1,900			929
Loans receivable, net	2,578,977			2,402,042
Allowance for loan losses	(30,211		)	(29,746		)
Total loans receivable, net	$	2,548,766		$	2,372,296

(b) Concentrations of Credit

Most of the Company’s lending activity occurs within Washington State, and to a lesser extent Oregon. The Company’s primary market areas are concentrated along the I-5 corridor from Whatcom County to Clark County in Washington State and Multnomah County in Oregon, as well as other contiguous markets. The majority of the Company’s loan portfolio consists of, in order of balances at September 30, 2016, non-owner occupied commercial real estate, commercial and industrial and owner-occupied commercial real estate. As of September 30, 2016 and December 31, 2015, there were no concentrations of loans related to any single industry in excess of 10% of the Company’s total loans.

(c) Credit Quality Indicators

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management tracks certain credit quality indicators including trends related to (i) the risk grade of the loans, (ii) the level of classified loans, (iii) net charge-offs, (iv) nonperforming loans, and (v) the general economic conditions of the United States of America, and specifically the states of Washington and Oregon. The Company utilizes a risk grading matrix to assign a risk grade to each of its loans. Loans are graded on a scale of 1 to 10. A description of the general characteristics of the risk grades is as follows:

• Grades 1 to 5: These grades are considered “pass grade” and include loans with negligible to above average but acceptable risk. These borrowers generally have strong to acceptable capital levels and consistent earnings and debt service capacity. Loans with the higher grades within the “pass” category may include borrowers who are experiencing unusual operating difficulties, but have acceptable payment performance to date. Increased monitoring of financial information and/or collateral may be appropriate. Loans with this grade show no immediate loss exposure.

• Grade 6: This grade includes "Watch" loans and is considered a “pass grade”. The grade is intended to be utilized on a temporary basis for pass grade borrowers where a potentially significant risk-modifying action is anticipated in the near term.

• Grade 7: This grade includes “Other Assets Especially Mentioned” (“OAEM”) loans in accordance with regulatory guidelines, and is intended to highlight loans with elevated risks. Loans with this grade show signs of deteriorating profits and capital, and the borrower might not be strong enough to sustain a major setback. The borrower is typically higher than normally leveraged, and outside support might

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be modest and likely illiquid. The loan is at risk of further decline unless active measures are taken to correct the situation.

• Grade 8: This grade includes “Substandard” loans in accordance with regulatory guidelines, which the Company has determined have a high credit risk. These loans also have well-defined weaknesses which make payment default or principal exposure likely, but not yet certain. The borrower may have shown serious negative trends in financial ratios and performance. Such loans may be dependent upon collateral liquidation, a secondary source of repayment or an event outside of the normal course of business. Loans with this grade can be placed on accrual or nonaccrual status based on the Company’s accrual policy.

• Grade 9: This grade includes “Doubtful” loans in accordance with regulatory guidelines, and the Company has determined these loans to have excessive credit risk. Such loans are placed on nonaccrual status and may be dependent upon collateral having a value that is difficult to determine or upon some near-term event which lacks certainty. Additionally, these loans generally have a specific valuation allowance or have been partially charged-off for the amount considered uncollectible.

• Grade 10: This grade includes “Loss” loans in accordance with regulatory guidelines, and the Company has determined these loans have the highest risk of loss. Such loans are charged-off or charged-down when payment is acknowledged to be uncertain or when the timing or value of payments cannot be determined. “Loss” is not intended to imply that the loan or some portion of it will never be paid, nor does it in any way imply that there has been a forgiveness of debt.

Numerical loan grades for loans are established at the origination of the loan. Loan grades are reviewed on a quarterly basis, or more frequently if necessary, by the credit department. The Bank follows the FDIC’s Uniform Retail Credit Classification and Account Management Policy for subsequent classification in the event of payment delinquencies or default. Typically, an individual loan grade will not be changed from the prior period unless there is a specific indication of credit deterioration or improvement. Credit deterioration is evidenced by delinquency, direct communications with the borrower, or other borrower information that becomes known to management. Credit improvements are evidenced by known facts regarding the borrower or the collateral property.

The loan grades relate to the likelihood of losses in that the higher the grade, the greater the loss potential. Loans with a pass grade may have some estimated inherent losses, but to a lesser extent than the other loan grades. The OAEM loan grade is transitory in that the Company is waiting on additional information to determine the likelihood and extent of the potential loss. The likelihood of loss for OAEM graded loans, however, is greater than Watch graded loans because there has been measurable credit deterioration. Loans with a Substandard grade are generally loans for which the Company has individually analyzed for potential impairment. For Doubtful and Loss graded loans, the Company is almost certain of the losses, and the outstanding principal balances are generally charged-off to the realizable value.

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The following tables present the balance of the loans receivable by credit quality indicator as of September 30, 2016 and December 31, 2015.

	September 30, 2016
	Pass		OAEM		Substandard		Doubtful		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	599,694	$	5,952	$	32,376	$	60	$	638,082
Owner-occupied commercial real estate	550,065		6,412		21,413		257		578,147
Non-owner occupied commercial real estate	759,097		15,799		27,606		—		802,502
Total commercial business	1,908,856		28,163		81,395		317		2,018,731
One-to-four family residential	76,735		—		1,518		—		78,253
Real estate construction and land development:
One-to-four family residential	45,287		824		5,941		—		52,052
Five or more family residential and commercial properties	92,562		1,004		3,542		—		97,108
Total real estate construction and land development	137,849		1,828		9,483		—		149,160
Consumer	325,832		54		5,047		—		330,933
Gross loans receivable	$	2,449,272	$	30,045	$	97,443	$	317	$	2,577,077

	December 31, 2015
	Pass		OAEM		Substandard		Doubtful		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	563,002	$	8,093	$	25,333	$	298	$	596,726
Owner-occupied commercial real estate	544,429		11,662		16,260		258		572,609
Non-owner occupied commercial real estate	699,759		23,447		30,780		—		753,986
Total commercial business	1,807,190		43,202		72,373		556		1,923,321
One-to-four family residential	71,457		—		1,091		—		72,548
Real estate construction and land development:
One-to-four family residential	44,069		896		6,787		—		51,752
Five or more family residential and commercial properties	50,678		—		4,647		—		55,325
Total real estate construction and land development	94,747		896		11,434		—		107,077
Consumer	291,892		—		6,275		—		298,167
Gross loans receivable	$	2,265,286	$	44,098	$	91,173	$	556	$	2,401,113

Potential problem loans are loans classified as OAEM or worse that are currently accruing interest and are not considered impaired, but which management is monitoring because the financial information of the borrower causes concern as to their ability to meet their loan repayment terms. Potential problem loans may include PCI loans as these loans continue to accrete loan discounts established at acquisition based on the guidance of FASB ASC 310-30. Potential problem loans as of September 30, 2016 and December 31, 2015 were $101.0 million and $110.4 million, respectively. The balance of potential problem loans guaranteed by a governmental agency, which guarantee reduces the Company's credit exposure, was $2.2 million and $3.0 million as of September 30, 2016 and December 31, 2015, respectively.

20

(d) Nonaccrual Loans

Nonaccrual loans, segregated by segments and classes of loans, were as follows as of September 30, 2016 and December 31, 2015:

	September 30, 2016		December 31, 2015
	(In thousands)
Commercial business:
Commercial and industrial	$	3,849	$	5,095
Owner-occupied commercial real estate	2,984		2,027
Non-owner occupied commercial real estate	1,983		—
Total commercial business	8,816		7,122
One-to-four family residential	35		38
Real estate construction and land development:
One-to-four family residential	2,008		2,414
Five or more family residential and commercial properties	—		—
Total real estate construction and land development	2,008		2,414
Consumer	681		94
Nonaccrual loans	$	11,540	$	9,668

The Company had $3.0 million and $1.3 million of nonaccrual loans guaranteed by governmental agencies at September 30, 2016 and December 31, 2015, respectively.

PCI loans are not included in the nonaccrual loan table above because these loans are accounted for under FASB ASC 310-30, which provides that accretable yield is calculated based on a loan's expected cash flow even if the loan is not performing under its contractual terms.

(e) Past due loans

The Company performs an aging analysis of past due loans using the categories of 30-89 days past due and 90 or more days past due. This policy is consistent with regulatory reporting requirements.

The balances of past due loans, segregated by segments and classes of loans, as of September 30, 2016 and December 31, 2015 were as follows:

	September 30, 2016
	30-89 Days		90 Days or Greater		Total Past  Due		Current		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	587	$	1,165	$	1,752	$	636,330	$	638,082
Owner-occupied commercial real estate	2,063		1,871		3,934		574,213		578,147
Non-owner occupied commercial real estate	759		1,983		2,742		799,760		802,502
Total commercial business	3,409		5,019		8,428		2,010,303		2,018,731
One-to-four family residential	112		—		112		78,141		78,253
Real estate construction and land development:
One-to-four family residential	—		865		865		51,187		52,052
Five or more family residential and commercial properties	459		—		459		96,649		97,108
Total real estate construction and land development	459		865		1,324		147,836		149,160
Consumer	1,407		620		2,027		328,906		330,933
Gross loans receivable	$	5,387	$	6,504	$	11,891	$	2,565,186	$	2,577,077

21

	December 31, 2015
	30-89 Days		90 Days or Greater		Total Past  Due		Current		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	2,900	$	2,679	$	5,579	$	591,147	$	596,726
Owner-occupied commercial real estate	2,240		2,609		4,849		567,760		572,609
Non-owner occupied commercial real estate	2,177		184		2,361		751,625		753,986
Total commercial business	7,317		5,472		12,789		1,910,532		1,923,321
One-to-four family residential	490		—		490		72,058		72,548
Real estate construction and land development:
One-to-four family residential	—		2,392		2,392		49,360		51,752
Five or more family residential and commercial properties	118		42		160		55,165		55,325
Total real estate construction and land development	118		2,434		2,552		104,525		107,077
Consumer	3,029		202		3,231		294,936		298,167
Gross loans receivable	$	10,954	$	8,108	$	19,062	$	2,382,051	$	2,401,113

There were no loans 90 days or more past due that were still accruing interest as of September 30, 2016 or December 31, 2015, excluding PCI loans.

(f) Impaired loans

Impaired loans include nonaccrual loans and performing troubled debt restructured ("TDR") loans. The balances of impaired loans as of September 30, 2016 and December 31, 2015 are set forth in the following tables.

	September 30, 2016
	Recorded Investment With No Specific Valuation Allowance		Recorded Investment With Specific Valuation Allowance		Total Recorded Investment		Unpaid Contractual Principal Balance		Related Specific Valuation Allowance
	(In thousands)
Commercial business:
Commercial and industrial	$	2,544	$	6,320	$	8,864	$	9,470	$	907
Owner-occupied commercial real estate	847		3,723		4,570		4,927		458
Non-owner occupied commercial real estate	5,595		6,464		12,059		12,113		832
Total commercial business	8,986		16,507		25,493		26,510		2,197
One-to-four family residential	—		263		263		266		81
Real estate construction and land development:
One-to-four family residential	2,310		829		3,139		3,824		4
Five or more family residential and commercial properties	—		1,606		1,606		1,606		176
Total real estate construction and land development	2,310		2,435		4,745		5,430		180
Consumer	576		191		767		1,028		49
Total	$	11,872	$	19,396	$	31,268	$	33,234	$	2,507

22

	December 31, 2015
	Recorded Investment With No Specific Valuation Allowance		Recorded Investment With Specific Valuation Allowance		Total Recorded Investment		Unpaid Contractual Principal Balance		Related Specific Valuation Allowance
	(In thousands)
Commercial business:
Commercial and industrial	$	872	$	8,769	$	9,641	$	11,368	$	1,173
Owner-occupied commercial real estate	—		4,295		4,295		4,342		809
Non-owner occupied commercial real estate	3,696		6,834		10,530		10,539		943
Total commercial business	4,568		19,898		24,466		26,249		2,925
One-to-four family residential	—		275		275		276		85
Real estate construction and land development:
One-to-four family residential	1,403		2,065		3,468		4,089		66
Five or more family residential and commercial properties	—		1,960		1,960		1,960		203
Total real estate construction and land development	1,403		4,025		5,428		6,049		269
Consumer	48		145		193		200		29
Total	$	6,019	$	24,343	$	30,362	$	32,774	$	3,308

The Company had governmental guarantees of $3.7 million and $1.8 million related to the impaired loan balances at September 30, 2016 and December 31, 2015, respectively.

The average recorded investment of impaired loans for the three and nine months ended September 30, 2016 and 2015 are set forth in the following table.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(In thousands)
Commercial business:
Commercial and industrial	$	9,625	$	8,692	$	9,750	$	10,776
Owner-occupied commercial real estate	4,553		4,882		4,560		4,151
Non-owner occupied commercial real estate	12,107		10,256		12,232		8,893
Total commercial business	26,285		23,830		26,542		23,820
One-to-four family residential	265		259		267		315
Real estate construction and land development:
One-to-four family residential	3,177		3,639		3,253		4,312
Five or more family residential and commercial properties	1,619		1,997		1,746		2,032
Total real estate construction and land development	4,796		5,636		4,999		6,344
Consumer	885		159		907		329
Total	$	32,231	$	29,884	$	32,715	$	30,808

For the three and nine months ended September 30, 2016 and 2015, no interest income was recognized subsequent to a loan’s classification as nonaccrual. For the three and nine months ended September 30, 2016, the

23

Bank recorded $156,000 and $501,000, respectively, of interest income related to performing TDR loans. For the three and nine months ended September 30, 2015, the Bank recorded $278,000 and $905,000, respectively, of interest income related to performing TDR loans.

(g) Troubled Debt Restructured Loans

A TDR loan is a restructuring in which the Bank, for economic or legal reasons related to a borrower’s financial difficulties, grants a concession to the borrower that it would not otherwise consider. TDRs are considered impaired and are separately measured for impairment under FASB ASC 310-10-35, whether on accrual ("performing") or nonaccrual ("nonperforming") status. The Company has more stringent definitions of concessions and impairment measures for PCI loans as these loans have known credit deterioration and are generally accreting income at a lower discounted rate as compared to the contractual note rate based on the guidance of FASB ASC 310-30.

The majority of the Bank’s TDR loans are a result of granting extensions of maturity on troubled credits which have already been adversely classified. The Bank grants such extensions to reassess the borrower’s financial status and to develop a plan for repayment. The second most prevalent concessions are certain modifications with extensions that also include interest rate reductions. Certain TDRs were additionally re-amortized over a longer period of time. These modifications would all be considered a concession for a borrower that could not obtain similar financing terms from another source other than from the Bank.

The financial effects of each modification will vary based on the specific restructure. For the majority of the Bank’s TDRs, the loans were interest-only with a balloon payment at maturity. If the interest rate is not adjusted and the modified terms are consistent with other similar credits being offered, the Bank may not experience any loss associated with the restructure. If, however, the restructure involves forbearance agreements or interest rate modifications, the Bank may not collect all the principal and interest based on the original contractual terms. The Bank estimates the necessary allowance for loan losses on TDRs using the same guidance as used for other impaired loans.

The recorded investment balance and related allowance for loan losses of performing and nonaccrual TDR loans as of September 30, 2016 and December 31, 2015 were as follows:

	September 30, 2016				December 31, 2015
	Performing TDRs		Nonaccrual TDRs		Performing TDRs		Nonaccrual TDRs
	(In thousands)
TDR loans	$	19,728	$	5,073	$	20,695	$	6,301
Allowance for loan losses on TDR loans	1,833		450		2,069		679

The unfunded commitment to borrowers related to TDRs was $269,000 and $551,000 at September 30, 2016 and December 31, 2015, respectively.

24

Loans that were modified as TDRs during the three and nine months ended September 30, 2016 and 2015 are set forth in the following tables:

	Three Months Ended September 30,
	2016			2015
	Number of Contracts (1)	Outstanding Principal Balance  (1)(2)		Number of Contracts (1)	Outstanding Principal Balance  (1)(2)
	(Dollars in thousands)
Commercial business:
Commercial and industrial	8	$	2,324	10	$	3,598
Owner-occupied commercial real estate	2	576		2	1,102
Non-owner occupied commercial real estate	1	818		1	1,082
Total commercial business	11	3,718		13	5,782
Real estate construction and land development:
One-to-four family residential	5	2,274		2	1,087
Five or more family residential and commercial properties	1	1,606		0	—
Total real estate construction and land development	6	3,880		2	1,087
Consumer	2	26		—	—
Total TDR loans	19	$	7,624	15	$	6,869

	Nine Months Ended September 30,
	2016			2015
	Number of Contracts (1)	Outstanding Principal Balance  (1)(2)		Number of Contracts (1)	Outstanding Principal Balance  (1)(2)
	(Dollars in thousands)
Commercial business:
Commercial and industrial	15	$	2,915	29	$	6,443
Owner-occupied commercial real estate	2	576		7	2,201
Non-owner occupied commercial real estate	1	818		6	15,634
Total commercial business	18	4,309		42	24,278
Real estate construction and land development:
One-to-four family residential	5	2,274		6	2,681
Five or more family residential and commercial properties	1	1,606		1	415
Total real estate construction and land development	6	3,880		7	3,096
Consumer	6	70		2	144
Total TDR loans	30	$	8,259	51	$	27,518

(1) Number of contracts and outstanding principal balance represent loans which have balances as of period end as certain loans may have been paid-down or charged-off during the three and nine months ended September 30, 2016 and 2015.

(2) Includes subsequent payments after modifications and reflects the balance as of period end. As the Bank did not forgive any principal or interest balance as part of the loan modification, the Bank’s recorded investment in each loan at the date of modification (pre-modification) did not change as a result of the modification (post-modification).

Of the 19 loans modified during the three months ended September 30, 2016, eight loans with a total outstanding principal balance of $1.4 million had no prior modifications. Of the 30 loans modified during the nine months ended September 30, 2016, 15 loans with a total outstanding principal balance of $1.7 million had no prior modifications. Of the 15 loans modified during the three months ended September 30, 2015, six loans with a total outstanding principal balance of $2.3 million had no prior modifications. Of the 51 loans modified during the nine months ended September

25

30, 2015, 27 loans with a total outstanding principal balance of $8.8 million had no prior modifications. The remaining loans included in the tables above for the three and nine months ended September 30, 2016 and 2015 were previously reported as TDRs. The Bank typically grants shorter extension periods to continually monitor these troubled credits despite that the extended date may not be when cash flows from these troubled credits are expected. The Company does not consider these modifications a subsequent default of a TDR as new loan terms, specifically new maturity dates, were granted. The potential losses related to these loans would have been considered in the period the loan was first reported as a TDR and adjusted, as necessary, in the current period based on more recent information. The related specific valuation allowance at September 30, 2016 was $639,000 for loans that were modified as TDRs during the nine months ended September 30, 2016.

There were no loans that were modified during the previous twelve months that subsequently defaulted during the three and nine months ended September 30, 2016. There was one commercial and industrial loan totaling $98,000 at September 30, 2015 that was modified during the previous twelve months that subsequently defaulted during the three months ended September 30, 2015 because the borrower was 90 days delinquent on his scheduled payment. There was one commercial and industrial loan of $1.8 million at September 30, 2015 that was modified during the previous twelve months and subsequently defaulted during the nine months ended September 30, 2015 because the borrower did not make the specific curtailment payments on the loan in prior periods, but for which the required payment was made during the three months ended September 30, 2015.

(h) Purchased Credit Impaired Loans

The Company acquired loans and designated them as PCI loans, which are accounted for under FASB ASC 310-30, in the Washington Banking Merger on May 1, 2014 and in previously completed acquisitions, including the acquisitions of Northwest Commercial Bank ("NCB") on January 9, 2013 and Valley Community Bancshares, Inc. ("Valley") on July 15, 2013 and the FDIC-assisted acquisitions of Cowlitz Bank ("Cowlitz") and Pierce Commercial Bank ("Pierce") on July 30, 2010 and November 8, 2010, respectively.

The following table reflects the outstanding principal balance and recorded investment of the PCI loans at September 30, 2016 and December 31, 2015:

	September 30, 2016				December 31, 2015
	Outstanding Principal		Recorded Investment		Outstanding Principal		Recorded Investment
	(In thousands)
Commercial business:
Commercial and industrial	$	14,931	$	10,801	$	20,110	$	16,986
Owner-occupied commercial real estate	19,218		17,404		24,730		22,313
Non-owner occupied commercial real estate	25,425		23,680		30,685		27,774
Total commercial business	59,574		51,885		75,525		67,073
One-to-four family residential	5,168		4,936		5,707		5,392
Real estate construction and land development:
One-to-four family residential	3,036		2,157		6,904		4,121
Five or more family residential and commercial properties	2,648		2,536		3,071		3,207
Total real estate construction and land development	5,684		4,693		9,975		7,328
Consumer	5,536		6,457		6,720		7,126
Gross PCI loans	$	75,962	$	67,971	$	97,927	$	86,919

26

On the acquisition dates, the amount by which the undiscounted expected cash flows of the PCI loans exceeded the estimated fair value of the loan is the “accretable yield.” The accretable yield is then measured at each financial reporting date and represents the difference between the remaining undiscounted expected cash flows and the current carrying value of the PCI loans.

The following table summarizes the accretable yield on the PCI loans for the three and nine months ended September 30, 2016 and 2015.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Balance at the beginning of the period	$	15,359		$	18,731		$	17,592		$	21,092
Accretion	(1,178		)	(1,661		)	(3,900		)	(5,399		)
Disposal and other	(491		)	22			(2,921		)	(2,382		)
Change in accretable yield	1,214			1,586			4,133			5,367
Balance at the end of the period	$	14,904		$	18,678		$	14,904		$	18,678

(4) Allowance for Loan Losses

The allowance for loan losses is maintained at a level deemed appropriate by management to provide for probable incurred credit losses in the loan portfolio. The methodology for calculating the allowance for loan losses is completed on loans originated by the Bank and on loans purchased in mergers and acquisitions. The FDIC shared-loss agreements for loans purchased in mergers and acquisitions were terminated on August 4, 2015. Prior to their termination, when a credit deterioration occurred, subsequent to the acquisition, on a loan that was covered by the FDIC shared-loss agreements, a provision for loan losses was charged to earnings for the full amount of the impairment, without regard to the coverage of the FDIC shared-loss agreements.

27

The following tables detail the activity in the allowance for loan losses disaggregated by segment and class for the three and nine months ended September 30, 2016:

	Balance at Beginning of Period		Charge-offs			Recoveries		Provision for Loan Losses			Balance at End of Period
	(In thousands)
Three Months Ended September 30, 2016
Commercial business:
Commercial and industrial	$	9,970	$	(240	)	$	993	$	182		$	10,905
Owner-occupied commercial real estate	3,578		(88		)	—		222			3,712
Non-owner occupied commercial real estate	6,924		—			—		303			7,227
Total commercial business	20,472		(328		)	993		707			21,844
One-to-four family residential	950		—			—		26			976
Real estate construction and land development:
One-to-four family residential	754		—			—		96			850
Five or more family residential and commercial properties	1,277		—			—		5			1,282
Total real estate construction and land development	2,031		—			—		101			2,132
Consumer	4,816		(572		)	197		665			5,106
Unallocated	157		—			—		(4		)	153
Total	$	28,426	$	(900	)	$	1,190	$	1,495		$	30,211
Nine Months Ended September 30, 2016
Commercial business:
Commercial and industrial	$	9,972	$	(2,810	)	$	1,352	$	2,391		$	10,905
Owner-occupied commercial real estate	4,370		(538		)	—		(120		)	3,712
Non-owner occupied commercial real estate	7,722		(350		)	—		(145		)	7,227
Total commercial business	22,064		(3,698		)	1,352		2,126			21,844
One-to-four family residential	1,157		—			2		(183		)	976
Real estate construction and land development:
One-to-four family residential	1,058		(100		)	83		(191		)	850
Five or more family residential and commercial properties	813		(54		)	—		523			1,282
Total real estate construction and land development	1,871		(154		)	83		332			2,132
Consumer	4,309		(1,370		)	496		1,671			5,106
Unallocated	345		—			—		(192		)	153
Total	$	29,746	$	(5,222	)	$	1,933	$	3,754		$	30,211

28

The following table details the balance in the allowance for loan losses disaggregated on the basis of the Company's impairment method as of September 30, 2016.

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Allowance for Loan Losses
	(In thousands)
Commercial business:
Commercial and industrial	$	907	$	8,230	$	1,768	$	10,905
Owner-occupied commercial real estate	458		1,858		1,396		3,712
Non-owner occupied commercial real estate	832		4,564		1,831		7,227
Total commercial business	2,197		14,652		4,995		21,844
One-to-four family residential	81		595		300		976
Real estate construction and land development:
One-to-four family residential	4		582		264		850
Five or more family residential and commercial properties	176		963		143		1,282
Total real estate construction and land development	180		1,545		407		2,132
Consumer	49		3,878		1,179		5,106
Unallocated	—		153		—		153
Total	$	2,507	$	20,823	$	6,881	$	30,211

The following table details the recorded investment balance of the loan receivables disaggregated on the basis of the Company’s impairment method as of September 30, 2016:

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Gross Loans Receivable
	(In thousands)
Commercial business:
Commercial and industrial	$	8,864	$	618,417	$	10,801	$	638,082
Owner-occupied commercial real estate	4,570		556,173		17,404		578,147
Non-owner occupied commercial real estate	12,059		766,763		23,680		802,502
Total commercial business	25,493		1,941,353		51,885		2,018,731
One-to-four family residential	263		73,054		4,936		78,253
Real estate construction and land development:
One-to-four family residential	3,139		46,756		2,157		52,052
Five or more family residential and commercial properties	1,606		92,966		2,536		97,108
Total real estate construction and land development	4,745		139,722		4,693		149,160
Consumer	767		323,709		6,457		330,933
Total	$	31,268	$	2,477,838	$	67,971	$	2,577,077

29

The following tables detail activity in the allowance for loan losses disaggregated by segment and class for the three and nine months ended September 30, 2015.

	Balance at Beginning of Period		Charge-offs			Recoveries		Provision for Loan Losses			Balance at End of Period
	(In thousands)
Three Months Ended September 30, 2015
Commercial business:
Commercial and industrial	$	9,891	$	(70	)	$	59	$	494		$	10,374
Owner-occupied commercial real estate	4,587		—			—		(296		)	4,291
Non-owner occupied commercial real estate	6,146		—			—		592			6,738
Total commercial business	20,624		(70		)	59		790			21,403
One-to-four family residential	1,271		—			12		(88		)	1,195
Real estate construction and land development:
One-to-four family residential	1,462		—			—		79			1,541
Five or more family residential and commercial properties	1,062		—			—		(20		)	1,042
Total real estate construction and land development	2,524		—			—		59			2,583
Consumer	3,167		(278		)	152		174			3,215
Unallocated	692		—			—		(84		)	608
Total	$	28,278	$	(348	)	$	223	$	851		$	29,004
Nine Months Ended September 30, 2015
Commercial business:
Commercial and industrial	$	10,553	$	(1,392	)	$	447	$	766		$	10,374
Owner-occupied commercial real estate	4,032		—			—		259			4,291
Non-owner occupied commercial real estate	5,601		(188		)	—		1,325			6,738
Total commercial business	20,186		(1,580		)	447		2,350			21,403
One-to-four family residential	1,200		—			13		(18		)	1,195
Real estate construction and land development:
One-to-four family residential	1,786		(106		)	100		(239		)	1,541
Five or more family residential and commercial properties	972		—			—		70			1,042
Total real estate construction and land development	2,758		(106		)	100		(169		)	2,583
Consumer	2,769		(1,208		)	362		1,292			3,215
Unallocated	816		—			—		(208		)	608
Total	$	27,729	$	(2,894	)	$	922	$	3,247		$	29,004

30

The following table details the balance in the allowance for loan losses disaggregated on the basis of the Company's impairment method as of December 31, 2015.

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Allowance for Loan Losses
	(In thousands)
Commercial business:
Commercial and industrial	$	1,173	$	6,276	$	2,523	$	9,972
Owner-occupied commercial real estate	809		1,662		1,899		4,370
Non-owner occupied commercial real estate	943		4,336		2,443		7,722
Total commercial business	2,925		12,274		6,865		22,064
One-to-four family residential	85		546		526		1,157
Real estate construction and land development:
One-to-four family residential	66		481		511		1,058
Five or more family residential and commercial properties	203		519		91		813
Total real estate construction and land development	269		1,000		602		1,871
Consumer	29		3,189		1,091		4,309
Unallocated	—		345		—		345
Total	$	3,308	$	17,354	$	9,084	$	29,746

The following table details the recorded investment balance of the loan receivables disaggregated on the basis of the Company’s impairment method as of December 31, 2015:

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Gross Loans Receivable
	(In thousands)
Commercial business:
Commercial and industrial	$	9,641	$	570,099	$	16,986	$	596,726
Owner-occupied commercial real estate	4,295		546,001		22,313		572,609
Non-owner occupied commercial real estate	10,530		715,682		27,774		753,986
Total commercial business	24,466		1,831,782		67,073		1,923,321
One-to-four family residential	275		66,881		5,392		72,548
Real estate construction and land development:
One-to-four family residential	3,468		44,163		4,121		51,752
Five or more family residential and commercial properties	1,960		50,158		3,207		55,325
Total real estate construction and land development	5,428		94,321		7,328		107,077
Consumer	193		290,848		7,126		298,167
Total	$	30,362	$	2,283,832	$	86,919	$	2,401,113

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(5) Other Real Estate Owned

Changes in other real estate owned during the three and nine months ended September 30, 2016 and 2015 were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Balance at the beginning of the period	$	1,560		$	3,017		$	2,019		$	3,355
Additions	25			611			677			2,424
Proceeds from dispositions	(1,716		)	(1,560		)	(2,486		)	(3,199		)
Gain (loss) on sales, net	131			3			173			(94		)
Valuation adjustment	—			—			(383		)	(415		)
Balance at the end of the period	$	—		$	2,071		$	—		$	2,071

At September 30, 2016, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process was $576,000.

(6) Goodwill and Other Intangible Assets

(a) Goodwill

The Company’s goodwill represents the excess of the purchase price over the fair value of net assets acquired in the Washington Banking Merger on May 1, 2014, and the acquisitions of Valley on July 15, 2013, Western Washington Bancorp in 2006 and North Pacific Bank in 1998. The Company’s goodwill is assigned to the Bank and is evaluated for impairment at the Bank level (reporting unit).

There were no additions to goodwill during the three and nine months ended September 30, 2016 and 2015.

At September 30, 2016, the Company’s step-one analysis concluded that the reporting unit’s fair value was greater than its carrying value and therefore no goodwill impairment charges were required, or recorded, for the three and nine months ended September 30, 2016. Similarly, no goodwill impairment charges were required, or recorded, for the three and nine months ended September 30, 2015. Even though there was no goodwill impairment at September 30, 2016, adverse events may impact the recoverability of goodwill and could result in a future impairment charge which could have a material impact on the Company’s operating results.

b) Other Intangible Assets

The other intangible assets represent the core deposit intangible ("CDI") acquired in business combinations. The useful life of the CDI related to the Washington Banking Merger, the acquisitions of Valley, NCB, Pierce, Cowlitz, and Western Washington Bancorp were estimated to be ten, ten, five, four, nine and eight years, respectively.

The following table presents the change in the other intangible assets for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(In thousands)
Balance at the beginning of the period	$	8,091	$	9,835	$	8,789	$	10,889
Less: Amortization	359		523		1,057		1,577
Balance at the end of the period	$	7,732	$	9,312	$	7,732	$	9,312

(7) Other Borrowings

(a) Federal Home Loan Bank Advances

The Federal Home Loan Bank ("FHLB") of Des Moines functions as a member-owned cooperative providing credit for member financial institutions. Advances are made pursuant to several different programs. Each credit program has its own interest rate and range of maturities. Limitations on the amount of advances are based on a percentage of the Bank's assets or on the FHLB’s assessment of the institution’s creditworthiness. At September 30, 2016, the Bank maintained a credit facility with the FHLB of Des Moines for $664.5 million and had $17.7 million of FHLB advances outstanding at a weighted average rate of 0.45%. At December 31, 2015 there were no FHLB advances

32

outstanding.

The following table sets forth the details of FHLB advances during the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(Dollars in thousands)
Average balance during the period	$	5,618		$	—		$	11,608		$	2,267
Maximum month-end balance during the period	$	17,700		$	—		$	57,300		$	48,200
Weighted average rate during the period	0.57		%	—		%	0.54		%	0.29		%

Advances from the FHLB are collateralized by a blanket pledge on FHLB stock owned by the Bank, deposits at the FHLB, certain one-to-four single family residential loans, investment securities which are obligations of or guaranteed by the United States or other assets. In accordance with the pledge agreement, the Company must maintain unencumbered collateral in an amount equal to varying percentages ranging from 100% to 160% of outstanding advances depending on the type of collateral.

(b) Federal Funds Purchased

The Bank maintains advance lines with Wells Fargo Bank, US Bank, TIB and Pacific Coast Bankers’ Bank to purchase federal funds of up to $90.0 million as of September 30, 2016. The lines generally mature annually or are reviewed annually. As of September 30, 2016 and December 31, 2015, there were no federal funds purchased.

(c) Credit facilities

The Bank maintains a credit facility with the Federal Reserve Bank of San Francisco for $51.2 million as of September 30, 2016, of which there were no borrowings outstanding as of September 30, 2016 or December 31, 2015. Any advances on the credit facility would have to be first secured by the Bank's investment securities or loans receivable.

(8) Junior Subordinated Debentures

As part of the Washington Banking Merger, the Company assumed trust preferred securities and junior subordinated debentures with a total fair value of $18.9 million at the May 1, 2014 merger date.

Washington Banking Master Trust ("Trust"), a Delaware statutory business trust, was a wholly-owned subsidiary of Washington Banking created for the exclusive purposes of issuing and selling capital securities and utilizing sale proceeds to acquire junior subordinated debt issued by Washington Banking. During 2007, the Trust issued $25.0 million of trust preferred securities with a 30-year maturity, callable after the fifth year by Washington Banking. The trust preferred securities have a quarterly adjustable rate based upon the three-month London Interbank Offered Rate (“LIBOR”) plus 1.56%. On the Washington Banking Merger date of May 1, 2014, the Company acquired the Trust, which retained the Washington Banking Master Trust name, and assumed the performance and observance of the covenants under the indenture related to the trust preferred securities.

The adjustable rate of the trust preferred securities at September 30, 2016 was 2.41%. The weighted average rate of the junior subordinated debentures was 4.49% and 4.43% for the three and nine months ended September 30, 2016, respectively, and 4.01% and 4.36% for the three and nine months ended September 30, 2015, respectively. The weighted average rate includes the accretion of the discount established at the merger date which is amortized over the life of the trust preferred securities.

The junior subordinated debentures are the sole assets of the Trust, and payments under the junior subordinated debentures are the sole revenues of the Trust. At September 30, 2016 and December 31, 2015, the balance of the junior subordinated debentures, net of unaccreted discount, was $19.6 million and $19.4 million, respectively. All of the common securities of the Trust are owned by the Company. Heritage has fully and unconditionally guaranteed the capital securities along with all obligations of the Trust under the trust agreements.

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(9) Repurchase Agreements

The Company utilizes repurchase agreements with one-day maturities as a supplement to funding sources. Repurchase agreements are secured by pledged investment securities available for sale. Under the repurchase agreements, the Company is required to maintain an aggregate market value of securities pledged greater than the balance of the repurchase agreements. The Company is required to pledge additional securities to cover any declines below the balance of the repurchase agreements. The classes of collateral pledged for the Company's repurchase agreement obligations as of September 30, 2016 were residential mortgage backed securities and collateralized mortgage obligations of $13.9 million, commercial mortgage backed securities and collateralized mortgage obligations of $5.6 million and and U.S. Government-sponsored agencies of $2.9 million. The classes of collateral pledged for the Company's repurchase agreement obligations as of December 31, 2015, were residential mortgage backed securities and collateralized mortgage obligations of $18.0 million and commercial mortgage backed securities and collateralized mortgage obligations of $5.2 million. For additional information on the total value of investment securities pledged for repurchase agreements see Note (2) Investment Securities.

(10) Derivative Financial Instruments

The Company has entered into certain interest rate swap contracts that are not designated as hedging instruments. The purpose of these derivative contracts is primarily to provide commercial business loan customers the ability to convert their loans from variable to fixed interest rates. Upon the origination of a derivative contract with a customer, the Company simultaneously enters into an offsetting derivative contract with a third party in order to offset its exposure on the variable and fixed rate components of the customer agreement. The Company recognizes immediate income based upon the difference in the bid/ask spread of the underlying transactions with its customers and the third party. Because the Company acts only as an intermediary for its customer, subsequent changes in the fair value of the underlying derivative contracts offset each other and do not significantly impact the Company’s results of operations.

The notional amounts and estimated fair values of interest rate derivative contracts outstanding at September 30, 2016 and December 31, 2015 are presented in the following table.

	September 30, 2016						December 31, 2015
	Notional Amounts			Estimated Fair Value			Notional Amounts			Estimated Fair Value
	(In thousands)
Non-hedging interest rate derivatives
Interest rate swaps with customer	$	68,450		$	3,336		$	20,750		$	543
Interest rate swap with third party	(68,450		)	(3,336		)	(20,750		)	(543		)

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(11) Stockholders’ Equity

(a) Earnings Per Common Share

The following table illustrates the reconciliation of weighted average shares used for earnings per common share computations for the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(Dollars in thousands)
Net income:
Net income	$	11,039		$	9,492		$	29,025		$	27,996
Less: Dividends and undistributed earnings allocated to participating securities	(102		)	(84		)	(280		)	(247		)
Net income allocated to common shareholders	$	10,937		$	9,408		$	28,745		$	27,749
Basic:
Weighted average common shares outstanding	29,962,270			29,960,133			29,968,034			30,086,057
Less: Restricted stock awards	(277,495		)	(263,404		)	(292,832		)	(268,999		)
Total basic weighted average common shares outstanding	29,684,775			29,696,729			29,675,202			29,817,058
Diluted:
Basic weighted average common shares outstanding	29,684,775			29,696,729			29,675,202			29,817,058
Incremental shares from stock options	11,031			22,395			12,543			22,718
Total diluted weighted average common shares outstanding	29,695,806			29,719,124			29,687,745			29,839,776

Potential dilutive shares are excluded from the computation of earnings per share if their effect is anti-dilutive. For the three months ended September 30, 2016, there were no anti-dilutive shares outstanding related to options to acquire common stock. For the nine months ended September 30, 2016, anti-dilutive shares outstanding related to options to acquire common stock totaled 580 as the assumed proceeds from exercise price, tax benefits and future compensation were in excess of the market value. For the three and nine months ended September 30, 2015, anti-dilutive shares outstanding related to options to acquire common stock totaled 2,650 and 4,883, respectively, for the same reasons indicated for the 2016 periods.

(b) Dividends

The timing and amount of cash dividends paid on the Company's common stock depends on the Company’s earnings, capital requirements, financial condition and other relevant factors. Dividends on common stock from the Company depend substantially upon receipt of dividends from the Bank, which is the Company’s predominant source of income.

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The following table summarizes the dividend activity for the nine months ended September 30, 2016 and calendar year 2015.

Declared	Cash Dividend per Share	Record Date	Paid Date
January 28, 2015	$0.10	February 10, 2015	February 24, 2015
April 22, 2015	$0.11	May 7, 2015	May 21, 2015
July 22, 2015	$0.11	August 6, 2015	August 20, 2015
October 21, 2015	$0.11	November 4, 2015	November 18, 2015
October 21, 2015	$0.10	November 4, 2015	November 18, 2015	*
January 27, 2016	$0.11	February 10, 2016	February 24, 2016
April 20, 2016	$0.12	May 5, 2016	May 19, 2016
July 20, 2016	$0.12	August 4, 2016	August 18, 2016

* Denotes a special dividend.

The FDIC and the Washington State Department of Financial Institutions, Division of Banks, as the Bank's primary regulators, have the authority to prohibit the payment of dividends by the Bank to the Company. Additionally, current guidance from the Board of Governors of the Federal Reserve System ("Federal Reserve Board") provides, among other things, that dividends per share on the Company’s common stock generally should not exceed earnings per share, measured over the previous four fiscal quarters. Current regulations allow the Company and the Bank to pay dividends on their common stock if the Company’s or the Bank’s regulatory capital would not be reduced below the statutory minimum capital requirements set by the Federal Reserve Board and the FDIC, respectively.

(c) Stock Repurchase Program

The Company has had various stock repurchase programs since March 1999. On October 23, 2014, the Company's Board of Directors authorized the repurchase of up to 5% of the Company's outstanding common shares, or approximately 1,513,000 shares, under the eleventh stock repurchase plan. The number, timing and price of shares repurchased will depend on business and market conditions, and other factors, including opportunities to deploy the Company's capital.

The following table provides total repurchased shares and average share prices under the plan for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015		Plan Total (1)
Eleventh Plan
Repurchased shares	38,000		—		138,000		441,966		579,996
Stock repurchase average share price	$	17.46	$	—	$	17.16	$	16.64	$	16.76

(1) Represents shares repurchased and average price per share paid during the duration of the plan.

In addition to the stock repurchases disclosed in the table above, the Company repurchased shares to pay withholding taxes on the vesting of restricted stock. During the three and nine months ended September 30, 2016, the Company repurchased 5,267 and 29,206shares of common stock at an average price per share of $18.64 and $17.77, respectively, to pay withholding taxes on the vesting of restricted stock that vested during the respective periods. During the three and nine months ended September 30, 2015, the Company repurchased 388 and 21,998 shares of common stock at an average price per share of $17.63 and $17.07, respectively, to pay withholding taxes on the vesting of restricted stock that vested during the respective periods.

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(12) Accumulated Other Comprehensive Income

The changes in accumulated other comprehensive income (“AOCI”) by component, during the three and nine months ended September 30, 2016 and 2015 are as follows:

	Three Months Ended September 30, 2016 (1)			Nine Months Ended September 30, 2016 (1)
	(In thousands)
Balance of AOCI at the beginning of period	$	12,343		$	2,559
Other comprehensive (loss) income before reclassification	(1,055		)	9,223
Amounts reclassified from AOCI for gain on sale of investment securities included in net income	(224		)	(718		)
Net current period other comprehensive (loss) income	(1,279		)	8,505
Balance of AOCI at the end of period	$	11,064		$	11,064

⁽¹⁾  All amounts are due to the changes in fair value of available for sale securities and are net of tax.

	Three Months Ended September 30, 2015			Nine Months Ended September 30, 2015
	Total (1)(2)			Changes in fair value of available for sale securities (2)			Accretion of other-than- temporary impairment on held to maturity securities (2)			Total (2)
	(In thousands)
Balance of AOCI at the beginning of period	$	2,198		$	3,567		$	(189	)	$	3,378
Other comprehensive income before reclassification	3,064			2,407			108			2,515
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income	(255		)	(967		)	81			(886		)
Net current period other comprehensive income	2,809			1,440			189			1,629
Balance of AOCI at the end of period	$	5,007		$	5,007		$	—		$	5,007

⁽¹⁾  All amounts are due to the changes in fair value of available for sale securities.

⁽²⁾  All amounts are net of tax.

(13) Stock-Based Compensation

Stock options generally vest ratably over three years and expire five years after they become exercisable or vest ratably over four years and expire ten years from date of grant. Restricted stock awards issued generally have a four-year cliff vesting or four-year ratable vesting schedule. The Company issues new shares of common stock to satisfy share option exercises and restricted stock awards.

On July 24, 2014, the Company's shareholders approved the Heritage Financial Corporation 2014 Omnibus Equity Plan that provides for the issuance of 1,500,000 shares of the Company's common stock in the form of stock options, stock appreciation rights, stock awards (which includes restricted stock units, restricted stock, performance units, performance shares or bonus shares) and cash incentive awards.

Under the Company's stock-based compensation plans, 1,151,503 shares remain available for future issuance as of September 30, 2016.

(a) Stock Option Awards

For the three and nine months ended September 30, 2016 and 2015, the Company did not recognize any compensation expense or related tax benefit related to stock options as all of the compensation expense related to the outstanding stock options had been previously recognized. The intrinsic value and cash proceeds from options exercised during the nine months ended September 30, 2016 was $99,000 and $401,000, respectively. The intrinsic value and cash proceeds from options exercised during the nine months ended September 30, 2015 was $223,000 and $666,000, respectively.

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The following table summarizes the stock option activity for the nine months ended September 30, 2016 and 2015:

	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term (In years)	Aggregate Intrinsic Value (In thousands)
Outstanding at December 31, 2014	156,407		$	13.59
Exercised	(53,198	)	12.45
Forfeited or expired	(12,278	)	16.73
Outstanding at September 30, 2015	90,931		$	13.84	3.05	$	456
Outstanding at December 31, 2015	79,408		$	14.19
Exercised	(27,867	)	14.37
Forfeited or expired	(4,200	)	16.80
Outstanding, vested and expected to vest and exercisable at September 30, 2016	47,341		$	13.85	2.80	$	194

(b) Restricted and Unrestricted Stock Awards

For the three and nine months ended September 30, 2016, the Company recognized compensation expense related to restricted stock awards of $494,000 and $1.4 million, respectively, and a related tax benefit of $173,000 and $479,000, respectively. For the three and nine months ended September 30, 2015, the Company recognized compensation expense related to restricted stock awards of $409,000 and $1.1 million, respectively, and a related tax benefit of $144,000 and $395,000, respectively. As of September 30, 2016, the total unrecognized compensation expense related to non-vested restricted stock awards was $3.5 million and the related weighted average period over which the compensation expense is expected to be recognized is approximately 2.41 years. The vesting date fair value of the restricted stock awards that vested during the nine months ended September 30, 2016 and 2015 was $2.0 million and $1.6 million, respectively.

The following tables summarize the restricted and unrestricted stock award activity for the nine months ended September 30, 2016 and 2015:

	Shares		Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2014	238,669		$	15.20
Granted	121,320		16.72
Vested	(91,642	)	15.12
Forfeited	(2,837	)	15.71
Nonvested at September 30, 2015	265,510		$	15.92
Nonvested at December 31, 2015	264,521		15.92
Granted	119,939		17.53
Vested	(111,357	)	15.62
Forfeited	(9,216	)	16.57
Nonvested at September 30, 2016	263,887		$	16.76

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(14) 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 values:

Level 1: Valuations for assets and liabilities traded in active exchange markets, or interest in open-end mutual funds that allow the Company to sell its ownership interest back to the fund at net asset value on a daily basis. Valuations are obtained from readily available pricing sources for market transactions involving identical assets, liabilities, or funds.

Level 2: Valuations for assets and liabilities traded in less active dealer, or broker markets, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active or valuations using methodologies with observable inputs.

Level 3: Valuations for assets and liabilities that are derived from other valuation methodologies, such as option pricing models, discounted cash flow models and similar techniques using unobservable inputs, and not based on market exchange, dealer, or broker traded transactions. Level 3 valuations incorporate certain assumptions and projections in determining the fair value assigned to such assets or liabilities.

(a) Recurring and Nonrecurring Basis

The Company used the following methods and significant assumptions to measure the fair value of certain assets on a recurring and nonrecurring basis:

Investment Securities Available for Sale:

The fair values of all investment securities are based upon the assumptions market participants would use in pricing the security. If available, fair values of investment securities are determined by quoted market prices (Level 1). For investment securities where quoted market prices are not available, fair values are calculated based on market prices on similar securities (Level 2). For investment securities where quoted prices or market prices of similar securities are not available, fair values are calculated by using observable and unobservable inputs such as discounted cash flows or other market indicators (Level 3). Security valuations are obtained from third party pricing services for comparable assets or liabilities.

Impaired Loans:

At the time a loan is considered impaired, its impairment is measured based on the present value of expected future cash flows discounted at the loan’s effective interest rate, observable market price, or fair market value of the collateral if the loan is collateral-dependent. Impaired loans for which impairment is measured using the discounted cash flow approach are not considered to be measured at fair value because the loan’s effective interest rate is generally not a fair value input, and for the purposes of fair value disclosures, the fair value of these loans are measured commensurate with non-impaired loans. If the Company utilizes the fair market value of the collateral method, the fair value used to measure impairment is commonly based on recent real estate appraisals. These appraisals may utilize a single valuation approach or a combination of approaches including comparable sales and the income approach. Adjustments are routinely made in the appraisal process by independent appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are usually significant and typically result in a Level 3 classification of the inputs for determining fair value. Non-real estate collateral may be valued using an appraisal, net book value based on the borrower’s financial statements, or aging reports, adjusted or discounted based on management’s historical knowledge, changes in market conditions from the time of the valuation, and management’s expertise and knowledge of the client and client’s business (Level 3). Impaired loans are evaluated on a quarterly basis for additional impairment and adjusted accordingly.

Other Real Estate Owned:

Assets acquired through or instead of loan foreclosure are initially recorded at fair value less costs to sell when acquired, establishing a new cost basis. These assets are subsequently accounted for at lower of cost or fair value less estimated costs to sell. Fair value is commonly based on recent real estate appraisals. These appraisals may utilize a single valuation approach or a combination of approaches including comparable sales and the income approach. Adjustments are routinely made in the appraisal process by independent appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are usually significant and typically result in Level 3 classification of the inputs for determining fair value.

Appraisals for both collateral-dependent impaired loans and other real estate owned are performed by certified general appraisers for commercial properties or certified residential appraisers for residential properties whose qualifications and licenses have been reviewed and verified by the Company. Once received, the Company reviews

39

the assumptions and approaches utilized in the appraisal as well as the resulting fair value in comparison with independent data sources such as recent market data or industry-wide statistics. On a quarterly basis, the Company compares the actual selling price of collateral that has been liquidated to the most recent appraised value to determine what additional adjustment should be made to the appraisal value to arrive at fair value.

Derivative Financial Instruments:

The Company obtains broker/dealer quotes to value its interest rate derivative contracts, which use valuation models using observable market data as of the measurement date (Level 2).

The following tables summarize the balances of assets and liabilities measured at fair value on a recurring basis as of September 30, 2016 and December 31, 2015.

	September 30, 2016
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Investment securities available for sale:
U.S. Treasury and U.S. Government-sponsored agencies	$	5,594	$	593	$	5,001	$	—
Municipal securities	245,704		—		245,704		—
Mortgage backed securities and collateralized mortgage obligations:
Residential	342,757		—		342,757		—
Commercial	197,837		—		197,837		—
Collateralized loan obligations	13,989		—		13,989		—
Corporate obligations	13,183		—		13,183		—
Other equities	95		95		—		—
Total investment securities available for sale	$	819,159	$	688	$	818,471	$	—
Derivative assets - interest rate swaps	$	3,336	$	—	$	3,336	$	—
Liabilities
Derivative liabilities - interest rate swaps	$	3,336	$	—	$	3,336	$	—

	December 31, 2015
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Investment securities available for sale:
U.S. Treasury and U.S. Government-sponsored agencies	$	35,577	$	15,676	$	19,901	$	—
Municipal securities	220,993		—		220,993		—
Mortgage backed securities and collateralized mortgage obligations:
Residential	352,024		—		352,024		—
Commercial	179,011		—		179,011		—
Collateralized loan obligations	15,097		—		15,097		—
Corporate obligations	9,113		—		9,113		—
Other equities	54		54		—		—
Total investment securities available for sale	$	811,869	$	15,730	$	796,139	$	—
Derivative assets - interest rate swaps	$	543	$	—	$	543	$	—
Liabilities
Derivative liabilities - interest rate swaps	$	543	$	—	$	543	$	—

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There were no transfers between Level 1 and Level 2 during the three and nine months ended September 30, 2016 and 2015.

The Company may be required to measure certain financial assets and liabilities at fair value on a nonrecurring basis. These adjustments to fair value usually result from application of lower-of-cost-or-market accounting or write-downs of individual assets.

The tables below represent assets measured at fair value on a nonrecurring basis at September 30, 2016 and December 31, 2015 and the net losses (gains) recorded in earnings during three and nine months ended September 30, 2016 and 2015.

	Basis(1)		Fair Value at September 30, 2016
			Total		Level 1		Level 2		Level 3		Net Losses (Gains) Recorded in Earnings  During the Three Months Ended September 30, 2016			Net Losses (Gains) Recorded in Earnings  During the Nine Months Ended September 30, 2016
	(In thousands)
Impaired loans:
Commercial business:
Commercial and industrial	$	225	$	167	$	—	$	—	$	167	$	24		$	25
Owner-occupied commercial real estate	631		609		—		—		609		23			(2		)
Total commercial business	856		776		—		—		776		47			23
Real estate construction and land development:
One-to-four family residential	829		825		—		—		825		(13		)	(26		)
Total real estate construction and land development	829		825		—		—		825		(13		)	(26		)
Total impaired loans and assets measured at fair value on nonrecurring basis	$	1,685	$	1,601	$	—	$	—	$	1,601	$	34		$	(3	)

⁽¹⁾ Basis represents the unpaid principal balance of impaired loans.

	Basis(1)		Fair Value at December 31, 2015
			Total		Level 1		Level 2		Level 3		Net Losses (Gains) Recorded in Earnings  During the Three Months Ended September 30, 2015		Net Losses (Gains) Recorded in Earnings  During the Nine Months Ended September 30, 2015
	(In thousands)
Total assets measured at fair value on a nonrecurring basis (2)	$	1,753	$	1,719	$	—	$	—	$	1,719	$	—	$	102

⁽¹⁾  Basis represents the unpaid principal balance of impaired loans.

⁽²⁾  The only assets measured at December 31, 2015 were one-to-four family residential real estate construction and land development impaired loans.

41

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis at September 30, 2016 and December 31, 2015.

	September 30, 2016
	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range of Inputs; Weighted Average
	(Dollars in thousands)
Impaired loans	$	1,601	Market approach	Adjustment for differences between the comparable sales	(17.2%) - 63.9%; 22.5%

	December 31, 2015
	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range of Inputs; Weighted Average
	(Dollars in thousands)
Impaired loans	$	1,719	Market approach	Adjustment for differences between the comparable sales	(30.0%) - 63.9%; 24.5%

(b) Fair Value of Financial Instruments

Because broadly traded markets do not exist for most of the Company’s financial instruments, the fair value calculations attempt to incorporate the effect of current market conditions at a specific time. These determinations are subjective in nature, involve uncertainties and matters of significant judgment and do not include tax ramifications; therefore, the results cannot be determined with precision, substantiated by comparison to independent markets and may not be realized in an actual sale or immediate settlement of the instruments. There may be inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the results. For all of these reasons, the aggregation of the fair value calculations presented herein do not represent, and should not be construed to represent, the underlying value of the Company.

42

The tables below present the carrying value amount of the Company’s financial instruments and their corresponding estimated fair values at the dates indicated.

	September 30, 2016
	Carrying Value		Fair Value		Fair Value Measurements Using:
					Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash and cash equivalents	$	112,760	$	112,760	$	112,760	$	—	$	—
Other interest earning deposits	5,461		5,489		—		5,489		—
Investment securities available for sale	819,159		819,159		688		818,471		—
Federal Home Loan Bank stock	5,088		N/A		N/A		N/A		N/A
Loans held for sale	8,964		9,223		—		9,223		—
Total loans receivable, net	2,548,766		2,634,175		—		—		2,634,175
Accrued interest receivable	11,327		11,327		1		3,775		7,551
Derivative assets - interest rate swaps	3,336		3,336		—		3,336		—
Liabilities
Deposits:
Noninterest deposits, NOW accounts, money market accounts and savings accounts	$	2,873,777	$	2,873,777	$	2,873,777	$	—	$	—
Certificate of deposit accounts	368,644		368,731		—		368,731		—
Total deposits	$	3,242,421	$	3,242,508	$	2,873,777	$	368,731	$	—
Federal Home Loan Bank advances	$	17,700	$	17,700	$	—	$	17,700	$	—
Securities sold under agreement to repurchase	$	22,425	$	22,425	$	22,425	$	—	$	—
Junior subordinated debentures	19,644		16,250		—		—		16,250
Accrued interest payable	164		164		44		94		26
Derivative liabilities - interest rate swaps	3,336		3,336		—		3,336		—

43

	December 31, 2015
	Carrying Value		Fair Value		Fair Value Measurements Using:
					Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and cash equivalents	$	126,640	$	126,640	$	126,640	$	—	$	—
Other interest earning deposits	6,719		6,723		—		6,723		—
Investment securities available for sale	811,869		811,869		15,730		796,139		—
Federal Home Loan Bank stock	4,148		N/A		N/A		N/A		N/A
Loans held for sale	7,682		7,883		—		7,883		—
Loans receivable, net of allowance for loan losses	2,372,296		2,441,531		—		—		2,441,531
Accrued interest receivable	10,469		10,469		5		3,335		7,129
Derivative assets - interest rate swaps	543		543		—		543		—
Financial Liabilities:
Deposits:
Noninterest deposits, NOW accounts, money market accounts and savings accounts	$	2,687,954	$	2,687,954	$	2,687,954	$	—	$	—
Certificate of deposit accounts	420,333		423,352		—		423,352		—
Total deposits	$	3,108,287	$	3,111,306	$	2,687,954	$	423,352	$	—
Securities sold under agreement to repurchase	$	23,214	$	23,214	$	23,214	$	—	$	—
Junior subordinated debentures	19,424		15,000		—		—		15,000
Accrued interest payable	207		207		50		133		24
Derivative liabilities - interest rate swaps	543		543		—		543		—

The methods and assumptions, not previously presented, used to estimate fair value are described as follows:

Cash and Cash Equivalents:

The fair value of financial instruments that are short-term or reprice frequently and that have little or no risk are considered to have a fair value equal to carrying value (Level 1).

Other Interest Earning Deposits:

These deposits with other banks have maturities greater than three months. The fair value is calculated based upon market prices for similar deposits (Level 2).

Federal Home Loan Bank Stock:

FHLB stock is not publicly traded; thus, it is not practicable to determine the fair value of FHLB stock due to restrictions placed on its transferability.

Loans Held for Sale:

The fair value of loans held for sale is estimated based upon binding contracts or quotes from third party investors for similar loans. (Level 2).

Loans Receivable:

Except for certain impaired loans discussed previously, fair value is based on discounted cash flows using current market rates applied to the estimated life (Level 3). While these methodologies are permitted under U.S. GAAP, they are not based on the exit price concept of the fair value required under FASB ASC 820-10, Fair Value Measurements and Disclosures, and generally produce a higher value.

44

Accrued Interest Receivable/Payable:

The fair value of accrued interest receivable/payable balances are determined using inputs and fair value measurements commensurate with the asset or liability from which the accrued interest is generated. The carrying amounts of accrued interest approximate fair value (Level 1, Level 2 and Level 3).

Deposits:

For deposits with no contractual maturity, the fair value is assumed to equal the carrying value (Level 1). The fair value of fixed maturity deposits is based on discounted cash flows using the difference between the deposit rate and the rates offered by the Company for deposits of similar remaining maturities (Level 2).

Federal Home Loan Bank Advances:

The fair value of FHLB advances is estimated based on discounting the future cash flows using the market rate currently offered (Level 2).

Securities Sold Under Agreement to Repurchase:

Securities sold under agreement to repurchase are short-term in nature and they reprice on a daily basis. Fair value financial instruments that are short-term or reprice frequently and that have little or no risk are considered to have a fair value equal to carrying value (Level 1).

Junior Subordinated Debentures:

The fair value is estimated using discounted cash flow analysis based on current rates for similar types of debt, which many be unobservable, and considering recent trading activity of similar instruments in markets which can be inactive (Level 3).

Off-Balance Sheet Financial Instruments:

The majority of our commitments to extend credit, standby letters of credit and commitments to sell mortgage loans carry current market interest rates if converted to loans. As such, no premium or discount was ascribed to these commitments (Level 1). They are excluded from the preceding tables.

(15) Commitments and Contingencies

In June 2016, the Company received preliminary findings from the Washington State Department of Revenue ("DOR") regarding their business and occupation ("B&O") tax audit on the B&O tax returns of Whidbey for the years 2010-2014. The state B&O tax is a gross receipts tax and is calculated on the gross income from activities. It is measured on the value of products, gross proceeds of sale, or gross income of the business. A substantial portion of the preliminary findings related to the receipt of FDIC shared-loss payments from the FDIC to Washington Banking Company in connection with its acquisitions of City Bank in April 2010 and North County Bank in September 2010. In their preliminary findings, the DOR is considering those payments as taxable for B&O tax purposes. The total amount of this preliminary finding, along with calculated back interest, is approximately $1.6 million. Given the early stages of this DOR audit, management's estimates of the Company's ultimate liability, if any, involve significant judgment and are based on currently available information and an assessment of the validity of facts and calculations assumed by the DOR. Management does not believe a material loss is probable at this time and there are significant factual and legal issues to be resolved. Management believes that it is reasonably possible that future changes to the Company's estimates of loss and the ultimate amount paid for resolution of this B&O audit could impact the Company's results of operations in future periods. Any such losses would be reported as a noninterest expense in the Company's Condensed Consolidated Statement of Income.

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion is intended to assist in understanding the financial condition and results of the Company as of and for the three and nine months ended September 30, 2016. The information contained in this section should be read with the unaudited Condensed Consolidated Financial Statements and the accompanying Notes included herein, and the December 31, 2015 audited Consolidated Financial Statements and the accompanying Notes included in our Annual Report on Form 10-K for the year ended December 31, 2015.

45

Overview

Heritage Financial Corporation is a bank holding company, which primarily engages in the business activities of its wholly owned subsidiary, Heritage Bank. We provide financial services to our local communities with an ongoing strategic focus on expanding our commercial lending relationships and market area and a continual focus on asset quality. At September 30, 2016, we had total assets of $3.85 billion and total stockholders’ equity of $496.0 million. The Company’s business activities generally are limited to passive investment activities and oversight of its investment in the Bank. Accordingly, the information set forth in this report relates primarily to the Bank’s operations.

Our business consists primarily of commercial lending and deposit relationships with small businesses and their owners in our market areas and attracting deposits from the general public. We also originate real estate construction and land development loans, consumer loans and one-to-four family residential loans collateralized by residential properties located in western and central Washington State and the greater Portland, Oregon area.

Our core profitability depends primarily on our net interest income. Net interest income is the difference between interest income, which is the income that we earn on interest earning assets, comprised primarily of loans and investment securities, and interest expense, which is the amount we pay on our interest bearing liabilities, consisting primarily of deposits. Management strives to match the repricing characteristics of the interest earning assets and interest bearing liabilities to protect net interest income from changes in market interest rates and changes in the shape of the yield curve. Like most financial institutions, our net interest income is affected significantly by general and local economic conditions, particularly changes in market interest rates, and by governmental policies and actions of regulatory agencies. Net interest income is additionally affected by changes on the volume and mix of interest earning assets, interest earned on these assets, the volume and mix of interest bearing liabilities and interest paid on these liabilities.

Our net income is affected by many factors, including the provision for loan losses. The provision for loan losses is dependent on changes in the loan portfolio and management’s assessment of the collectability of the loan portfolio as well as prevailing economic and market conditions. The allowance for loan losses reflects the amount that the Company believes is appropriate to provide for probable incurred credit losses in its loan portfolio.

Net income is also affected by noninterest income and noninterest expense. Noninterest income primarily consists of service charges and other fees, gain on sale of loans (net) and other income. Noninterest expense consists primarily of compensation and employee benefits, occupancy and equipment, data processing, professional services and other expenses. Compensation and employee benefits consist primarily of the salaries and wages paid to our employees, payroll taxes, expenses for retirement and other employee benefits. Occupancy and equipment expenses, which are the fixed and variable costs of buildings and equipment, consist primarily of lease payments, taxes, depreciation charges, maintenance and costs of utilities.

Results of operations may also be affected significantly by general and local economic and competitive conditions, governmental policies and actions of regulatory authorities. Other income and other expenses are also impacted by growth of operations and growth in the number of loan and deposit accounts through acquisitions and core banking business growth. Growth in operations affects other expenses primarily as a result of additional employees, branch facilities and marketing expense. Growth in the number of loan and deposit accounts affects other income, including service charges and other fees, as well as other expenses such as data processing services, supplies, postage, telecommunications and other miscellaneous expenses.

Earnings Summary

Comparison of quarter ended September 30, 2016 to the comparable quarter in the prior year

Net income was $11.0 million, or $0.37 per diluted common share, for the three months ended September 30, 2016 compared to $9.5 million, or $0.32 per diluted common share, for the three months ended September 30, 2015. The $1.5 million, or 16.3% increase in net income for the three months ended September 30, 2016 compared to the three months ended September 30, 2015 was primarily the result of a $1.7 million, or 5.2%, increase on net interest income primarily as a result of an increase in interest earning assets, offset partially by a decrease in net interest margin for the respective periods. The net interest margin decreased five basis points to 3.95% for the three months ended September 30, 2016 compared to 4.00% for the same period in 2015.

The efficiency ratio consists of noninterest expense divided by the sum of net interest income before provision for loan losses plus noninterest income. The Company’s efficiency ratio decreased to 61.7% for the three months ended September 30, 2016 from 65.9% for the three months ended September 30, 2015. The decrease in the efficiency ratio for the three months ended September 30, 2016 compared to the three months ended September 30, 2015 is attributable primarily to the above mentioned increase in net interest income as well as a $504,000 decrease in noninterest expense.

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Comparison of nine months ended September 30, 2016 to the comparable period in the prior year

Net income was $29.0 million, or $0.97 per diluted common share, for the nine months ended September 30, 2016 compared to $28.0 million, or $0.93 per diluted common share, for the nine months ended September 30, 2015. The $1.0 million, or 3.7% increase in net income for the nine months ended September 30, 2016 compared to the nine months ended September 30, 2015 was primarily the result of a $2.4 million, or 2.4%, increase in net interest income, primarily as a result of the increase in interest earning assets, offset partially by a decrease in the net interest margin. The net interest margin decreased 17 basis points to 4.00% for the nine months ended September 30, 2016 compared to 4.17% for the same period in 2015.

The Company’s efficiency ratio decreased to 64.8% for the nine months ended September 30, 2016 from 65.2% for the nine months ended September 30, 2015. The decrease in the efficiency ratio for the nine months ended September 30, 2016 compared to the nine months ended September 30, 2015 is attributable primarily to the above mentioned increase in net interest income.

Net Interest Income

One of the Company's key sources of earnings is net interest income. There are several factors that affect net interest income including, but not limited to, the volume, pricing, mix and maturity of interest earning assets and interest bearing liabilities; the volume of noninterest bearing deposits and other liabilities and shareholders' equity; the volume of noninterest earning assets; market interest rate fluctuations; and asset quality.

Comparison of quarter ended September 30, 2016 to the comparable quarter in the prior year

Net interest income increased $1.7 million, or 5.2%, to $33.6 million for the three months ended September 30, 2016 compared to $31.9 million for the same period in 2015. The following table provides relevant net interest income information for the dates indicated.

47

	Three Months Ended September 30,
	2016						2015
	Average Balance		Interest Earned/ Paid		Average Yield/ Rate (1)		Average Balance		Interest Earned/ Paid		Average Yield/ Rate (1)
	(Dollars in thousands)
Interest Earning Assets:
Total loans receivable, net (2) (3)	$	2,526,150	$	30,915	4.87	%	$	2,356,090	$	30,179	5.08	%
Taxable securities	588,749		2,888		1.95		525,013		2,187		1.65
Nontaxable securities (3)	225,994		1,235		2.17		201,233		1,056		2.08
Other interest earning assets	42,934		76		0.70		81,909		62		0.30
Total interest earning assets	3,383,827		35,114		4.13	%	3,164,245		33,484		4.20	%
Noninterest earning assets	408,634						385,065
Total assets	$	3,792,461					$	3,549,310
Interest Bearing Liabilities:
Certificates of deposit	$	378,407	$	468	0.49	%	$	447,425	$	586	0.52	%
Savings accounts	507,523		214		0.17		424,620		118		0.11
Interest bearing demand and money market accounts	1,480,220		587		0.16		1,383,212		631		0.18
Total interest bearing deposits	2,366,150		1,269		0.21		2,255,257		1,335		0.23
FHLB advances and other borrowings	5,618		8		0.57		—		—		—
Securities sold under agreement to repurchase	18,861		10		0.21		21,197		14		0.26
Junior subordinated debentures	19,602		221		4.49		19,314		195		4.01
Total interest bearing liabilities	2,410,231		1,508		0.25	%	2,295,768		1,544		0.27	%
Demand and other noninterest bearing deposits	844,468						760,004
Other noninterest bearing liabilities	44,378						29,715
Stockholders’ equity	493,384						463,823
Total liabilities and stockholders’ equity	$	3,792,461					$	3,549,310
Net interest income			$	33,606					$	31,940
Net interest spread					3.88	%					3.93	%
Net interest margin					3.95	%					4.00	%
Average interest earning assets to average interest bearing liabilities					140.39	%					137.83	%

⁽¹⁾  Annualized

⁽²⁾   The average loan balances presented in the table are net of allowances for loan losses. Nonaccrual loans have been included in the table as loans carrying a zero yield.

⁽³⁾     Yields on tax-exempt securities and loans have not been stated on a tax-equivalent basis.

Interest Income

Total interest income increased $1.6 million, or 4.9%, to $35.1 million for the three months ended September 30, 2016 compared to $33.5 million for the same period in 2015. The balance of average interest earning assets increased $219.6 million, or 6.9%, to $3.38 billion for the three months ended September 30, 2016 from $3.16 billion for the three months ended September 30, 2015 and the yield on total interest earning assets decreased seven basis points to 4.13% for the three months ended September 30, 2016 compared to 4.20% for the three months ended September 30, 2015.

Interest income from interest and fees on loans increased $736,000, or 2.4%, to $30.9 million for the three months ended September 30, 2016 from $30.2 million for the same period in 2015. The increase was the result of a $170.1 million, or 7.2%, increase in average loans receivable as a result of loan growth for the same period, offset partially by 21 basis points decrease in the yield on loans to 4.87% for the three months ended September 30, 2016 from 5.08% for the three months ended September 30, 2015. The decrease in yield was due primarily to a decrease in the contractual note rates in the loan portfolio and a decrease in incremental accretion income. Yields on loans, excluding incremental accretion on purchased loans, were 4.62% for the three months ended September 30, 2016 compared to 4.76% for the same period in 2015. Yields on loans, excluding incremental accretion on purchase loans, were impacted positively by four basis points during the three months ended September 30, 2016 due to a $249,000

48

prepayment penalty recognized during the period. The effect on loan yields from incremental accretion income decreased eight basis points to 0.25% for the three months ended September 30, 2016 from 0.33% for the three months ended September 30, 2015.

The following table presents the loan yield and effects of the incremental accretion on purchased loans for the three months ended September 30, 2016 and 2015:

	Three Months Ended September 30,
	2016			2015
	(Dollars in thousands)
Loan yield, excluding incremental accretion on purchased loans (1)	4.62		%	4.75		%
Impact on loan yield from incremental accretion on purchased loans (1)	0.25		%	0.33		%
Loan yield	4.87		%	5.08		%
Incremental accretion on purchased loans (1)	$	1,599		$	1,937

⁽¹⁾  As of the dates of the completion of each of the merger and acquisition transactions, purchased loans were recorded at their estimated fair value, including our estimate of future expected cash flows until the ultimate resolution of these credits. The difference between the contractual loan balance and the fair value represents the purchased discount. The purchased discount is modified quarterly as a result of cash flow re-estimation. The incremental accretion income represents the amount of income recorded on the purchased loans in excess of the contractual stated interest rate in the individual loan notes.

Incremental accretion income was $1.6 million and $1.9 million for the three months ended September 30, 2016 and 2015, respectively. The decrease in the incremental accretion was primarily a result of a decrease in the prepayments of purchased loans, primarily loans from the Washington Banking Merger, during the three months ended September 30, 2016 compared to the same period in 2015, and a continued decline in the purchased loan balances.

Total interest income increased primarily due to a $880,000, or 27.1%, increase in interest income on investment securities to $4.1 million during the three months ended September 30, 2016 from $3.2 million for the three months ended September 30, 2015 as a result of both an increase in average balances and an increase in investment yields for the three months ended September 30, 2016 compared to the same period in 2015. The average balance of investment securities increased $88.5 million, or 12.2%, to $814.7 million during the three months ended September 30, 2016 from $726.2 million during the three months ended September 30, 2015 due primarily to investment purchases. Yields on taxable securities increased 30 basis points to 1.95% for the three months ended September 30, 2016 from 1.65% for the same period in 2015. Yields on nontaxable securities increased nine basis points to 2.17% for the three months ended September 30, 2016 from 2.08% for the same period in 2015. The Company is actively managing its investment securities portfolio to mitigate declining loan yields.

Average other interest earning assets decreased $39.0 million, or 47.6%, to $42.9 million for the three months ended September 30, 2016 compared to $81.9 million for the three months ended September 30, 2015. The decrease was due primarily to a decrease in interest earning deposits as the Bank utilized these assets to fund its loan growth.

Interest Expense

Total interest expense was $1.5 million for both the three months ended September 30, 2016 and 2015. The average cost of interest bearing liabilities decreased two basis points to 0.25% for the three months ended September 30, 2016 from 0.27% for the three months ended September 30, 2015. Total average interest bearing liabilities increased by $114.5 million, or 5.0%, to $2.41 billion for the three months ended September 30, 2016 from $2.30 billion for the three months ended September 30, 2015.

The cost of interest bearing deposits decreased two basis points to 0.21% for the three months ended September 30, 2016 from 0.23% for the same period in 2015. Total average interest bearing deposits increased $110.9 million, or 4.9%, to $2.37 billion for the three months ended September 30, 2016 from $2.26 billion for the three months ended September 30, 2015.

The average balance of certificates of deposits decreased $69.0 million, or 15.4%, to $378.4 million for the three months ended September 30, 2016 from $447.4 million for the same period in 2015. The cost of certificates of deposits decreased three basis points to 0.49% for the three months ended September 30, 2016 from 0.52% for the same period in 2015. Based on the change in the average balance and cost of the certificates of deposit, the interest expense on certificates of deposit decreased $118,000, or 20.1%, to $468,000 for the three months ended September 30, 2016 from $586,000 for the same period in 2015.

49

The decrease in interest expense on certificates of deposits was offset partially by a $96,000, or 81.4%, increase in the cost of savings accounts to $214,000 during the three months ended September 30, 2016 from $118,000 for the same period in 2015 due to the combination of a $82.9 million, or 19.5%, increase in the average balance to $507.5 million for the three months ended September 30, 2016 from $424.6 million for the same period in 2015 and an increase of six basis points in the cost of savings accounts to 0.17% for the three months ended September 30, 2016 from 0.11% for the same period in 2015.

The average rate of the junior subordinated debentures, including the effects of accretion of the discount established as of the date of the merger with Washington Banking Company, for the three months ended September 30, 2016 was 4.49%, an increase of 48 basis points from 4.01% for the same period in 2015. The rate increase on the debentures was due to an increase in the three-month LIBOR rate to 0.85% at September 30, 2016 from 0.33% on September 30, 2015.

Net Interest Margin

Net interest income as a percentage of average interest earning assets (net interest margin) for the three months ended September 30, 2016 decreased five basis points to 3.95% from 4.00% for the same period in 2015. The net interest spread for the three months ended September 30, 2016 also decreased five basis points to 3.88% from 3.93% for the same period in 2015. The decrease is primarily due to the above mentioned decrease in yields on total interest earning assets.

Net interest margin is impacted by the incremental accretion on purchased loans. The following table presents the net interest margin and effects of the incremental accretion on purchased loans for the three months ended September 30, 2016 and 2015:

	Three Months Ended September 30,
	2016		2015
Net interest margin, excluding incremental accretion on purchased loans (1)	3.76	%	3.76	%
Impact on net interest margin from incremental accretion on purchased loans (1)	0.19		0.24
Net interest margin	3.95	%	4.00	%

⁽¹⁾  As of the dates of the completion of each of the merger and acquisition transactions, purchased loans were recorded at their estimated fair value, including our estimate of future expected cash flows until the ultimate resolution of these credits. The difference between the contractual loan balance and the fair value represents the purchased discount. The purchased discount is modified quarterly as a result of cash flow re-estimation. The incremental accretion income represents the amount of income recorded on the purchased loans in excess of the contractual stated interest rate in the individual loan notes.

Due to the current low interest rate environment, together with the projected principal reduction in higher yielding purchased loans, the Company expects the net interest margin will continue to experience downward pressure in future periods.

Comparison of nine months ended September 30, 2016 to the comparable period in the prior year

Net interest income increased $2.4 million, or 2.4%, to $99.5 million for the nine months ended September 30, 2016 compared to $97.1 million for the same period in 2015. The following table provides relevant net interest income information for the dates indicated.

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	Nine Months Ended September 30,
	2016						2015
	Average Balance		Interest Earned/ Paid		Average Yield/ Rate (1)		Average Balance		Interest Earned/ Paid		Average Yield/ Rate (1)
	(Dollars in thousands)
Interest Earning Assets:
Total loans receivable, net (2) (3)	$	2,461,856	$	91,595	4.97	%	$	2,295,881	$	91,213	5.31	%
Taxable securities	594,301		8,522		1.92		548,282		7,199		1.76
Nontaxable securities (3)	220,038		3,599		2.18		201,796		3,137		2.08
Other interest earning assets	47,829		225		0.63		69,493		173		0.33
Total interest earning assets	3,324,024		103,941		4.18	%	3,115,452		101,722		4.37	%
Noninterest earning assets	391,342						374,938
Total assets	$	3,715,366					$	3,490,390
Interest Bearing Liabilities:
Certificates of deposit	$	397,070	$	1,496	0.50	%	$	475,826	$	1,844	0.52	%
Savings accounts	478,762		540		0.15		391,273		316		0.11
Interest bearing demand and money market accounts	1,457,399		1,729		0.16		1,358,521		1,801		0.18
Total interest bearing deposits	2,333,231		3,765		0.22		2,225,620		3,961		0.24
FHLB advances and other borrowings	11,608		47		0.54		2,267		5		0.29
Securities sold under agreement to repurchase	20,031		31		0.21		23,222		45		0.26
Junior subordinated debentures	19,527		647		4.43		19,233		627		4.36
Total interest bearing liabilities	2,384,397		4,490		0.25	%	2,270,342		4,638		0.27	%
Demand and other noninterest bearing deposits	811,043						722,665
Other noninterest bearing liabilities	35,266						34,993
Stockholders’ equity	484,660						462,390
Total liabilities and stockholders’ equity	$	3,715,366					$	3,490,390
Net interest income			$	99,451					$	97,084
Net interest spread					3.93	%					4.10	%
Net interest margin					4.00	%					4.17	%
Average interest earning assets to average interest bearing liabilities					139.41	%					137.22	%

⁽¹⁾  Annualized

⁽²⁾   The average loan balances presented in the table are net of allowances for loan losses. Nonaccrual loans have been included in the table as loans carrying a zero yield.

⁽³⁾     Yields on tax-exempt securities and loans have not been stated on a tax-equivalent basis.

Interest Income

Total interest income increased $2.2 million, or 2.2%, to $103.9 million for the nine months ended September 30, 2016 compared to $101.7 million for the same period in 2015. The balance of average interest earning assets increased $208.6 million, or 6.7%, to $3.32 billion for the nine months ended September 30, 2016 from $3.12 billion for the nine months ended September 30, 2015. The yield on total interest earning assets decreased 19 basis points to 4.18% for the nine months ended September 30, 2016 from 4.37% for the nine months ended September 30, 2015.

Interest income on loans increased $382,000, or 0.4%, to $91.6 million for the nine months ended September 30, 2016 from $91.2 million for the same period in 2015 due primarily to a $166.0 million, or 7.2%, increase in the average balance of loans receivable to $2.46 billion for the nine months ended September 30, 2016 compared to $2.30 billion for the same period in 2015 as a result of loan growth. The impact on interest income as a result of the increase in average loan balances was partially offset by a decrease in loan yields, which was the result of a decrease in the contractual loan note rates and a decrease in the effects of incremental accretion income. Loan yields decreased 34 basis points to 4.97% for the nine months ended September 30, 2016 compared to 5.31% for the same period in 2015.

51

The following table presents the loan yield and effects of the incremental accretion on purchased loans for the nine months ended September 30, 2016 and 2015:

	Nine Months Ended September 30,
	2016			2015
	(Dollars in thousands)
Loan yield, excluding incremental accretion on purchased loans (1)	4.65		%	4.85		%
Impact on loan yield from incremental accretion on purchased loans (1)	0.32		%	0.46		%
Loan yield	4.97		%	5.31		%
Incremental accretion on purchased loans (1)	$	5,976		$	7,972

⁽¹⁾  As of the dates of the completion of each of the merger and acquisition transactions, purchased loans were recorded at their estimated fair value, including our estimate of future expected cash flows until the ultimate resolution of these credits. The difference between the contractual loan balance and the fair value represents the purchased discount. The purchased discount is modified quarterly as a result of cash flow re-estimation. The incremental accretion income represents the amount of income recorded on the purchased loans in excess of the contractual stated interest rate in the individual loan notes.

The incremental accretion income was $6.0 million and $8.0 million for the nine months ended September 30, 2016 and 2015, respectively. The effect on loan yields from incremental accretion income decreased 14 basis points to 0.32% for the nine months ended September 30, 2016 from 0.46% for the nine months ended September 30, 2015. The decrease in the incremental accretion was primarily a result of a decrease in the prepayments of purchased loans, primarily loans from the Washington Banking Merger, during the nine months ended September 30, 2016 compared to the same period in 2015, and a continued decline in the purchased loan balances.

Total interest income increased primarily due to the $1.8 million, or 17.3%, increase in interest income on investment securities to $12.1 million during the nine months ended September 30, 2016 from $10.3 million for the nine months ended September 30, 2015 as a result of both an increase in average balances and an increase in investment yields for the for the nine months ended September 30, 2016 compared to the same period in 2015. The average balances of taxable and nontaxable securities increased $64.3 million, or 8.6%, to $814.3 million for the nine months ended September 30, 2016 from $750.1 million for the nine months ended September 30, 2015, primarily as a result of purchases of investment securities. The yields on taxable securities increased 16 basis points to 1.92% for the nine months ended September 30, 2016 from 1.76% for the same period in 2015 and the yields on nontaxable securities increased ten basis points to 2.18% for the nine months ended September 30, 2016 from 2.08% for the same period in 2015. The Company is actively managing its investment securities portfolio to mitigate declining loan yields.

Interest Expense

Total interest expense decreased by $148,000, or 3.2%, to $4.5 million for the nine months ended September 30, 2016 from $4.6 million for the nine months ended September 30, 2015. The average cost of interest bearing liabilities decreased two basis points to 0.25% for the nine months ended September 30, 2016 from 0.27% for the nine months ended September 30, 2015. Total average interest bearing liabilities increased by $114.1 million, or 5.0%, to $2.38 billion for the nine months ended September 30, 2016 from $2.27 billion for the nine months ended September 30, 2015.

Total interest expense on interest bearing deposits decreased $196,000, or 4.9%, to $3.8 millionduring the nine months ended September 30, 2016 from $4.0 million the same period in 2015. The average total cost of interest bearing deposits decreased two basis points to 0.22% for the nine months ended September 30, 2016 from 0.24% for the same period in 2015.

The decrease in interest expense was primarily due to a $78.8 million, or 16.6%, decrease in the average balance of certificates of deposit to $397.1 million during the nine months ended September 30, 2016 from $475.8 million during the same period in 2015 and a two basis point decrease in the cost on certificates of deposit to 0.50% from 0.52% for the same periods. Based on the change in the average balance and cost of the certificates of deposit, the interest expense on certificates of deposit decreased $348,000, or 18.9%, to $1.5 million for the nine months ended September 30, 2016 from $1.8 million for the same period in 2015.

The decrease in interest expense on certificates of deposit was offset by a $224,000, or 70.9%, increase in the cost of savings accounts to $540,000 for the nine months ended September 30, 2016 from $316,000 for the same period in 2015. The increase in the cost of savings accounts during the nine months ended September 30, 2016 was due to the combination of a $87.5 million, or 22.4%, increase in the average balance of savings accounts to $478.8

52

million for the nine months ended September 30, 2016 from $391.3 million for the same period in 2015 and an increase of four basis points in the average cost of savings accounts to 0.15% for the nine months ended September 30, 2016 from 0.11% for the nine months ended September 30, 2015.

The average rate of the junior subordinated debentures, including the effects of accretion of the discount established as of the date of the merger with Washington Banking Company, for the nine months ended September 30, 2016 was 4.43%, an increase of seven basis points from 4.36% for the same period in 2015.

Net Interest Margin

Net interest margin for the nine months ended September 30, 2016 decreased 17 basis points to 4.00% from 4.17% for the same period in 2015. The net interest spread for the nine months ended September 30, 2016 decreased 17 basis points to 3.93% from 4.10% for the same period in 2015. The decrease is primarily due to the above mentioned decrease in yields on total interest earning assets for the nine months ended September 30, 2016.

The following table presents the net interest margins and effects of the incremental accretion on purchased loans for the nine months ended September 30, 2016 and 2015:

	Nine Months Ended September 30,
	2016		2015
Net interest margin, excluding incremental accretion on purchased loans (1)	3.76	%	3.83	%
Impact on net interest margin from incremental accretion on purchased loans (1)	0.24		0.34
Net interest margin	4.00	%	4.17	%

⁽¹⁾  As of the dates of the completion of each of the merger and acquisition transactions, purchased loans were recorded at their estimated fair value, including our estimate of future expected cash flows until the ultimate resolution of these credits. The difference between the contractual loan balance and the fair value represents the purchased discount. The purchased discount is modified quarterly as a result of cash flow re-estimation. The incremental accretion income represents the amount of income recorded on the purchased loans in excess of the contractual stated interest rate in the individual loan notes.

Provision for Loan Losses

The Bank has established a comprehensive methodology for determining its allowance for loan losses. The allowance for loan losses is increased by provisions for loan losses charged to expense, and is reduced by loans charged-off, net of loan recoveries or a recovery of previous provision. The amount of the provision expense recognized during the three and nine months ended September 30, 2016 and 2015 was calculated in accordance with the Bank's methodology. For additional information, see the section entitled "Analysis of Allowance for Loan Losses" below.

The provision for loan losses is dependent on the Company’s ability to manage asset quality and control the level of net charge-offs through prudent underwriting standards. In addition, a decline in general economic conditions could increase future provisions for loan losses and have a material effect on the Company’s net income.

Comparison of quarter ended September 30, 2016 to the comparable quarter in the prior year

The provision for loan losses increased $644,000, or 75.7% to $1.5 million for the three months ended September 30, 2016 from $851,000 for the three months ended September 30, 2015. The increase in the provision for loan losses for the three months ended September 30, 2016 from the same period in 2015 was primarily the result of a change in the volume and mix of loans as well as changes in certain environmental factors, partially offset by improvements in certain historical loss factors. Based on a thorough review of the loan portfolio, the Bank determined that the provision for loan losses for the three months ended September 30, 2016 was appropriate as it was calculated in accordance with the Bank's methodology for determining the allowance for loan losses.

Comparison of nine months ended September 30, 2016 to the comparable period in the prior year

The provision for loan losses increased $507,000, or 15.6% to $3.8 million for the nine months ended September 30, 2016 from $3.2 million for the nine months ended September 30, 2015. The increase in the provision for loan losses for the nine months ended September 30, 2016 from the same period in 2015 was primarily the result of a $1.3 million increase in net charge-offs during 2016 in addition to changes in the volume and mix of loans, offset by the decrease in certain historical loss factors as described above. Based on a thorough review of the loan portfolio, the Bank determined that the provision for loan losses for the nine months ended September 30, 2016 was appropriate as it was calculated in accordance with the Bank's methodology for determining the allowance for loan losses.

53

Noninterest Income

Comparison of quarter ended September 30, 2016 to the comparable quarter in the prior year

Total noninterest income decreased $323,000, or 3.4%, to $9.9 million for the three months ended September 30, 2016 compared to $9.5 million for the same period in 2015. The following table presents the change in the key components of noninterest income for the periods noted.

	Three Months Ended September 30,
	2016		2015		Change			Percentage Change
	(Dollars in thousands)
Service charges and other fees	$	3,630	$	3,593	$	37		1.0	%
Gain on sale of investment securities, net	345		393		(48		)	(12.2	)
Gain on sale of loans, net	3,435		1,411		2,024			143.4
Gain on termination of FDIC shared-loss agreements	—		1,747		(1,747		)	(100.0	)
Other income	2,457		2,400		57			2.4
Total noninterest income	$	9,867	$	9,544	$	323		3.4	%

Gain on the sale of loans, net increased $2.0 million, or 143.4% for the three months ended September 30, 2016 compared to the same period in 2015, due primarily to a $2.1 million gain on sale of loan as a result of the sale of a previously classified purchased credit impaired loan. The gain on sale of mortgage loans for the three months ended September 30, 2016 and 2015 was $1.1 million and $857,000, respectively. The gain on sale of the government guaranteed portion of certain Small Business Administration ("SBA") loans for the three months ended September 30, 2016 and 2015 was $285,000 and $554,000, respectively.

The Bank recorded a $1.7 million gain on termination of FDIC shared-loss agreements for the three months ended September 30, 2015 as the Bank entered into an agreement terminating the shared-loss agreements for all three of the FDIC-assisted acquisitions during the three months ended September 30, 2015. No similar gain was recorded by the Bank during the three months ended September 30, 2016.

Other income increased $57,000, or 2.4%, to $2.5 million for three months ended September 30, 2016 from $2.4 million for three months ended September 30, 2015 due primarily to an increase of $619,000 in interest rate swap fee income based on the execution of additional swaps during the period. The increase in other income was partially offset by a $597,000 decrease in cash payments received on purchased loans previously charged-off prior to commencement of the acquisition or merger dates.

54

Comparison of nine months ended September 30, 2016 to the comparable period in the prior year

Total noninterest income decreased $1.3 million, or 5.4%, to $23.4 million for the nine months ended September 30, 2016 compared to $24.8 million for the same period in 2015. The following table presents the change in the key components of noninterest income for the periods noted.

	Nine Months Ended September 30,
	2016		2015		Change			Percentage Change
	(Dollars in thousands)
Service charges and other fees	$	10,462	$	10,575	$	(113	)	(1.1	)%
Gain on sale of investment securities, net	1,106		1,362		(256		)	(18.8	)
Gain on sale of loans, net	5,406		3,828		1,578			41.2
Gain on termination of FDIC shared-loss agreements	—		1,747		(1,747		)	(100.0	)
Gain on sale of Merchant Visa portfolio	—		1,650		(1,650		)	(100.0	)
Other income	6,459		5,607		852			15.2
Total noninterest income	$	23,433	$	24,769	$	(1,336	)	(5.4	)%

Gain on the sale of loans, net increased $1.6 million, or 41.2% for the nine months ended September 30, 2016 compared to the same period in 2015, due primarily to a $2.1 million gain on sale of loan as a result of the sale of a previously classified purchased credit impaired loan. The gain on sale of mortgage loans for the nine months ended September 30, 2016 and 2015 was $2.6 million and $2.4 million, respectively. The gain on sale of SBA loans for the nine months ended September 30, 2016 and 2015 was $777,000 and $1.4 million, respectively. The $647,000, or 45.4%, decrease of net gains on the sale of the government guaranteed portion of certain SBA loans is a result of a decrease in SBA guarantee sales activities due to competitive pressures.

The Bank recorded a $1.7 million gain on termination of FDIC shared-loss agreements for the nine months ended September 30, 2015 as the Bank entered into an agreement terminating the shared-loss agreements for all three of the FDIC-assisted acquisitions during the three months ended September 30, 2015. No similar gain was recorded by the Bank during the nine months ended September 30, 2016.

The gain on sale of Merchant VISA portfolio was $1.7 million for the nine months ended September 30, 2015. The gain was a result of the Company's sale of its Merchant Visa portfolio in January 2015. The effects of this sale resulted in lower future Merchant Visa income and a decrease in total noninterest income.

Other income increased $852,000, or 15.2%, to $6.5 million for nine months ended September 30, 2016 from $5.6 million for nine months ended September 30, 2015 due primarily to an increase of $982,000 in interest rate swap fee income based on the execution of swaps during 2016 and an increase of $317,000 in bank-owned life insurance income as the Bank purchased additional BOLI of $25.0 million during the quarter ended June 30, 2015 (the impact of which is fully realized in 2016) and $8.0 million during the quarter ended September 30, 2016. Other income additionally increased $497,000 as the Bank did not record a change in FDIC indemnification during 2016 as the FDIC shared-loss agreements were terminated during the three months ended September 30, 2015. The increase in other income was partially offset by a $1.1 million decrease in cash payments received on purchased loans previously charged-off prior to commencement of the acquisition or merger dates.

Noninterest Expense

Comparison of quarter ended September 30, 2016 to the comparable quarter in the prior year

Noninterest expense decreased $504,000, or 1.8%, to $26.8 million during the three months ended September 30, 2016 compared to $27.3 million for the three months ended September 30, 2015. The following table presents changes in the key components of noninterest expense for the periods noted.

55

	Three Months Ended September 30,
	2016			2015			Change			Percentage Change
	(Dollars in thousands)
Compensation and employee benefits	$	15,633		$	14,918		$	715		4.8	%
Occupancy and equipment	3,926			3,970			(44		)	(1.1	)
Data processing	1,943			2,398			(455		)	(19.0	)
Marketing	745			899			(154		)	(17.1	)
Professional services	830			894			(64		)	(7.2	)
State and local taxes	820			619			201			32.5
Federal deposit insurance premium	296			499			(203		)	(40.7	)
Other real estate owned, net	(142		)	(5		)	(137		)	2,740.0
Amortization of intangible assets	359			523			(164		)	(31.4	)
Other expense	2,408			2,607			(199		)	(7.6	)
Total noninterest expense	$	26,818		$	27,322		$	(504	)	(1.8	)%

Compensation and employee benefits increased $715,000, or 4.8%, to $15.6 million during the three months ended September 30, 2016 from $14.9 million during the three months ended September 30, 2015. The increase in the three months ended September 30, 2016 compared to the same period in 2015 is primarily due to the results of increased staffing in the metro markets, including Seattle and Bellevue, Washington and standard salary increases.

Data processing decreased $455,000, or 19.0% to $1.9 million during the three months ended September 30, 2016 from $2.4 million during the three months ended September 30, 2015. The decrease was primarily a result of a $429,000 cancellation fee incurred during the third quarter of 2015 as a result of the early termination of a data processing contract.

State and local taxes increased $201,000, or 32.5%, to $820,000 during the three months ended September 30, 2016 from $619,000 during the three months ended September 30, 2015 primarily due to the recognition of $191,000 of state tax based on the preliminary findings of the Department of Revenue audit of Washington Banking Company for the years 2010 to 2014. For additional information, see Note (15) Commitments and Contingencies, of the Notes to the Condensed Consolidated Financial Statements included in Item 1, Part I, of this Form 10-Q.

Federal Deposit Insurance premium decreased $203,000, or 40.7% to $296,000 during the three months ended September 30, 2016 from $499,000 during the three months ended September 30, 2015. The decrease was a result of the FDIC's new assessment rate schedule effective for the third quarter of 2016 due to the increase in the Deposit Insurance Fund Reserve. Effective July 1, 2016, the range of initial base assessment rates for all insured institutions was reduced based on current reserve levels.

Other real estate owned, net decreased $137,000, or 2,740.0%, to income of $142,000 during the three months ended September 30, 2016 compared to income of $5,000 during the three months ended September 30, 2015. The gains on sale of other real estate owned was $131,000 during the quarter ended September 30, 2016 compared to $3,000 for three months ended September 30, 2015.

Other expense decreased $199,000, or 7.6%, to $2.4 million for the three months ended September 30, 2016 from $2.6 million for the same period in 2015. The decrease was primarily the result of a decrease in courier services as the Company discontinued its regular scheduled service during 2015. The Company also experienced decreases in other employee-related expenses such as travel expenses, office supplies, and other business expenses given the decrease in number of full-time equivalents and a concerted effort of the Company to reduce other expenses.

The ratio of noninterest expense to average assets (annualized) was 2.81% for the three months ended September 30, 2016, compared to 3.05% for the three months ended September 30, 2015. The decrease was primarily a result of an increase in assets and cost efficiencies gained and the above mentioned efforts by the Company to reduce noninterest expenses.

Comparison of nine months ended September 30, 2016 to the comparable period in the prior year

Noninterest expense increased $225,000, or 0.3%, to $79.7 million during the nine months ended September 30, 2016 compared to $79.4 million for the nine months ended September 30, 2015. The following table presents changes in the key components of noninterest expense for the periods noted.

56

	Nine Months Ended September 30,
	2016		2015		Change			Percentage Change
	(Dollars in thousands)
Compensation and employee benefits	$	45,652	$	42,984	$	2,668		6.2	%
Occupancy and equipment	11,873		11,511		362			3.1
Data processing	5,564		5,950		(386		)	(6.5	)
Marketing	2,254		2,595		(341		)	(13.1	)
Professional services	2,508		2,602		(94		)	(3.6	)
State and local taxes	2,031		1,808		223			12.3
Federal deposit insurance premium	1,316		1,537		(221		)	(14.4	)
Other real estate owned, net	330		854		(524		)	(61.4	)
Amortization of intangible assets	1,057		1,577		(520		)	(33.0	)
Other expense	7,079		8,021		(942		)	(11.7	)
Total noninterest expense	$	79,664	$	79,439	$	225		0.3	%

Compensation and employee benefits increased $2.7 million, or 6.2%, to $45.7 million during the nine months ended September 30, 2016 compared to $43.0 million during the nine months ended September 30, 2015. The increase was primarily due to the results of increased staffing in the metro markets, including Seattle and Bellevue, Washington and standard salary increases.

Occupancy and equipment increased $362,000, or 3.1%, to $11.9 million during the nine months ended September 30, 2016 compared to $11.5 million during the nine months ended September 30, 2015, primarily due to lease termination-related costs incurred with the branch consolidations completed during 2016. In addition, these expenses increased due to an increase in rent in the metro markets, offset partially by the closure of branches between the periods.

Other real estate owned, net decreased $524,000, or 61.4%, to $330,000 during the nine months ended September 30, 2016 compared to $854,000 during the nine months ended September 30, 2015. The Bank had no other real estate owned at September 30, 2016 compared to $2.1 million at September 30, 2015. The decrease in other real estate owned was due to the disposition of all remaining properties, resulting in a decrease of $255,000 in property related expenses and net gains on sale of other real estate owned of $173,000 during the nine months ended September 30, 2016 compared to net losses on sale of other real estate owned of $94,000 during the nine months ended September 30, 2015.

Other expense decreased $942,000, or 11.7%, to $7.1 million for the nine months ended September 30, 2016 from $8.0 million for the same period in 2015. The decrease was primarily the result of a decrease in courier services as the Company discontinued its regular scheduled service during 2015. The Company also experienced decreases in other employee-related expenses such as travel expenses, office supplies, and other business expenses given the decrease in number of full-time equivalents and a concerted effort of the Company to reduce other expenses.

The ratio of noninterest expense to average assets (annualized) was 2.86% for the nine months ended September 30, 2016, compared to 3.04% for the nine months ended September 30, 2015. The decrease was primarily a result of an increase in assets and cost efficiencies gained and the above mentioned efforts by the Company to reduce noninterest expenses.

Income Tax Expense

Comparison of quarter ended September 30, 2016 to the comparable quarter in the prior year

Income tax expense increased by $302,000, or 7.9%, to $4.1 million for the three months ended September 30, 2016 from $3.8 million for the three months ended September 30, 2015. The increase in the income tax expense was primarily due to the increase in the Company's net income. The Company’s effective tax rate was 27.2% for the three months ended September 30, 2016 compared to 28.7% for the same period in 2015. The decrease in the Company's effective tax rate during the three months ended September 30, 2016 compared to the same period in 2015 is primarily due to an increase in tax exempt loans and investment securities, an increase in BOLI income and an increase in tax benefits from low income housing tax credits.

57

Comparison of nine months ended September 30, 2016 to the comparable period in the prior year

Income tax expense decreased by $730,000, or 6.5%, to $10.4 million for the nine months ended September 30, 2016 from $11.2 million for the nine months ended September 30, 2015. The decrease in the income tax expense was due to a decrease in the Company's effective tax rate. The Company’s effective tax rate was 26.5% for the nine months ended September 30, 2016 compared to 28.5% for the same period in 2015. The decrease in the Company's effective tax rate during the nine months ended September 30, 2016 compared to the same period in 2015 is primarily due to an increase in tax exempt loans and investment securities, an increase in BOLI income and an increase in tax benefits from low income housing tax credits.

Financial Condition Overview

Total assets increased $195.6 million, or 5.4%, to $3.85 billion as of September 30, 2016 compared to $3.65 billion as of December 31, 2015. Total loans receivable, net, increased $176.5 million, or 7.4%, to $2.55 billion at September 30, 2016 compared to $2.37 billion at December 31, 2015. Loans were primarily funded through an increase in deposits, an increase in FHLB advances and a decrease in cash and cash equivalents. Deposits increased by $134.1 million, or 4.3%, to $3.24 billion as of September 30, 2016 compared to $3.11 billion as of December 31, 2015. FHLB advances increased to $17.7 millionat September 30, 2016from no borrowings at December 31, 2015. Cash and cash equivalents decreased $13.9 million, or 11.0%, to $112.8 million at September 30, 2016 from $126.6 million at December 31, 2015.

Investment securities available for sale increased $7.3 million, or 0.9%, to $819.2 million at September 30, 2016 from $811.9 million at December 31, 2015. The increase was due to investment purchases and increases in unrealized gains on investment securities as a result of increases in market values, offset partially by sales, maturities, calls and principal payments.

Prepaid expenses and other assets increased $16.5 million, or 28.2%, to $74.8 million at September 30, 2016 from $58.4 million at December 31, 2015. The increase was primarily due to $19.7 million of investments in low income housing tax credit partnerships and a $2.8 million increase in interest rate swaps, offset partially by a decrease in current and deferred tax assets of $5.0 million.

Total non-maturity deposits increased to 88.6% of total deposits at September 30, 2016 from 86.5% at December 31, 2015 and certificates of deposits decreased to 11.4% of total deposits at September 30, 2016 from 13.5% at December 31, 2015.

Securities sold under agreement to repurchase decreased $789,000, or 3.4%, to $22.4 million as of September 30, 2016 from $23.2 million as of December 31, 2015. The decrease is primarily due to changes in customer deposit balances.

Accrued expenses and other liabilities increased $18.3 million, or 61.1%, to $48.2 million at September 30, 2016 from $29.9 million at December 31, 2015. The increase was primarily a result of the $19.7 million of investment obligations in low income housing tax credit partnerships entered into during the nine months ended September 30, 2016, of which $3.3 million was funded during the nine months ended September 30, 2016. These obligations will decrease as projects are funded. The increase was additionally due to a $2.8 million increase in interest rate swaps, offset partially by a decrease in general accounts payable during the comparative periods.

Total stockholders’ equity increased by $26.0 million, or 5.5%, to $496.0 million as of September 30, 2016 from $470.0 million at December 31, 2015. The increase during the nine months ended September 30, 2016 was due primarily to net income of $29.0 million and an increase of $8.5 million in accumulated other comprehensive income, partially offset by cash dividends declared and paid of $10.5 million, common stock repurchases totaling $2.9 million and restricted stock compensation expense of $1.4 million. The Company’s equity position remains strong at 12.9% of total assets as of September 30, 2016 and as of December 31, 2015.

58

The table below provides a comparison of the changes in the Company's financial condition from December 31, 2015 to September 30, 2016.

	September 30, 2016		December 31, 2015		Change between September 30, 2016 and December 31, 2015			Percent Change
	(Dollars in thousands)
Assets
Cash and cash equivalents	$	112,760	$	126,640	$	(13,880	)	(11.0	)%
Other interest earning deposits	5,461		6,719		(1,258		)	(18.7	)
Investment securities	819,159		811,869		7,290			0.9
Loans held for sale	8,964		7,682		1,282			16.7
Total loans receivable, net	2,548,766		2,372,296		176,470			7.4
Other real estate owned	—		2,019		(2,019		)	(100.0	)
Premises and equipment, net	63,312		61,891		1,421			2.3
Federal Home Loan Bank stock, at cost	5,088		4,148		940			22.7
Bank owned life insurance	69,962		60,876		9,086			14.9
Accrued interest receivable	11,327		10,469		858			8.2
Prepaid expenses and other assets	74,816		58,365		16,451			28.2
Other intangible assets, net	7,732		8,789		(1,057		)	(12.0	)
Goodwill	119,029		119,029		—			—
Total assets	$	3,846,376	$	3,650,792	$	195,584		5.4	%
Liabilities
Deposits	$	3,242,421	$	3,108,287	$	134,134		4.3
Federal Home Loan Bank advances	17,700		—		17,700			100.0
Junior subordinated debentures	19,644		19,424		220			1.1
Securities sold under agreement to repurchase	22,425		23,214		(789		)	(3.4	)
Accrued expenses and other liabilities	48,174		29,897		18,277			61.1
Total liabilities	3,350,364		3,180,822		169,542			5.3
Stockholders' equity
Common stock	358,451		359,451		(1,000		)	(0.3	)
Retained earnings	126,497		107,960		18,537			17.2
Accumulated other comprehensive income, net	11,064		2,559		8,505			332.4
Total stockholders' equity	496,012		469,970		26,042			5.5
Total liabilities and stockholders' equity	$	3,846,376	$	3,650,792	$	195,584		5.4	%

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Lending Activities

As indicated in the table below, loans receivable, net was $2.58 billion at September 30, 2016, an increase of $176.9 million, or 7.4%, from $2.40 billion at December 31, 2015. The increase in loans receivable for the nine months ended September 30, 2016 was primarily due to a $48.5 million, or 6.4%, increase in non-owner occupied commercial real estate loans, a $41.8 million, or 75.5%, increase in real estate construction and land development loans of five or more family residential and commercial properties, a $41.4 million, or 6.9%, increase in commercial and industrial loans and a $32.8 million, or 11.0%, increase in consumer loans.

	September 30, 2016				December 31, 2015
	Balance		% of Total		Balance		% of Total
	(Dollars in thousands)
Commercial business:
Commercial and industrial	$	638,082	24.8	%	$	596,726	24.8	%
Owner-occupied commercial real estate	578,147		22.4		572,609		23.8
Non-owner occupied commercial real estate	802,502		31.1		753,986		31.4
Total commercial business	2,018,731		78.3		1,923,321		80.0
One-to-four family residential	78,253		3.0		72,548		3.0
Real estate construction and land development:
One-to-four family residential	52,052		2.0		51,752		2.2
Five or more family residential and commercial properties	97,108		3.8		55,325		2.3
Total real estate construction and land development	149,160		5.8		107,077		4.5
Consumer	330,933		12.8		298,167		12.4
Gross loans receivable	2,577,077		99.9		2,401,113		99.9
Deferred loan costs, net	1,900		0.1		929		0.1
Loans receivable, net	$	2,578,977	100.0	%	$	2,402,042	100.0	%

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Nonperforming Assets and Credit Quality Metrics

The following table describes our nonperforming assets and other credit quality metrics at the dates indicated:

	September 30, 2016			December 31, 2015
	(Dollars in thousands)
Nonaccrual loans:
Commercial business	$	8,816		$	7,122
One-to-four family residential	35			38
Real estate construction and land development	2,008			2,414
Consumer	681			94
Total nonaccrual loans (1)(2)	11,540			9,668
Other real estate owned	—			2,019
Total nonperforming assets	$	11,540		$	11,687
Allowance for loan losses	$	30,211		$	29,746
Allowance for loan losses to loans receivable, net	1.17		%	1.24		%
Allowance for loan losses to nonperforming loans	261.79		%	307.67		%
Nonperforming loans to total loans receivable, net	0.45		%	0.40		%
Nonperforming assets to total assets	0.30		%	0.32		%
Performing TDR loans:
Commercial business	$	16,676		$	17,345
One-to-four family residential	229			236
Real estate construction and land development	2,737			3,014
Consumer	86			100
Total performing TDR loans (3)	$	19,728		$	20,695
Accruing loans past due 90 days or more (4)	$	—		$	—
Potential problem loans (5)	100,972			110,357

⁽¹⁾  At September 30, 2016 and December 31, 2015, $5.1 million and $6.3 million of nonperforming loans, respectively, were considered TDR loans.

⁽²⁾  At September 30, 2016 and December 31, 2015, $3.0 million and $1.3 million of nonperforming loans, respectively, were guaranteed by government agencies.

⁽³⁾  At September 30, 2016 and December 31, 2015, $697,000 and $491,000 of performing TDR loans, respectively, were guaranteed by government agencies.

⁽⁴⁾  There were no accruing loans past due 90 days or more that were guaranteed by government agencies at September 30, 2016 or December 31, 2015.

⁽⁵⁾  At September 30, 2016 and December 31, 2015, $2.2 million and $3.0 million of potential problem loans, respectively, were guaranteed by government agencies.

Nonperforming assets decreased $147,000, or 1.3%, to $11.5 million, or 0.30% of total assets, at September 30, 2016 from $11.7 million, or 0.32% of total assets at December 31, 2015. The Bank had no other real estate owned at September 30, 2016, a decrease of $2.0 million at December 31, 2015. The decrease in other real estate owned was due to the disposition of all remaining properties during the nine months ended September 30, 2016. The decrease in nonperforming assets is partially offset by an increase of $1.9 million in nonaccrual loans. For the nine months ended September 30, 2016, the increase in nonaccrual loans was primarily due to $6.9 million in additions to nonaccrual loans and $1.1 million of TDR loans transferred to nonaccrual status, offset partially by $5.3 million of net principal reductions and $569,000 of charge-offs.

Performing TDR loans were $19.7 million and $20.7 million as of September 30, 2016 and December 31, 2015, respectively. The $1.0 million, or 4.7%, decrease in performing TDR loans for the nine months ended September 30, 2016 was primarily the result of $1.4 million of net principal payments and $1.1 million of loans transferred to nonaccrual status, partially offset by $1.7 million of loans restructured during the period. At both September 30, 2016

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and December 31, 2015, the Company had recorded $1.8 million in allowance for loan losses on the performing TDR loans.

Potential problem loans as of September 30, 2016 and December 31, 2015 were $101.0 million and $110.4 million, respectively. Potential problem loans are those loans that are currently accruing interest and are not considered impaired, but which we are monitoring because the financial information of the borrower causes concerns as to their ability to meet their loan repayment terms. Loans that are past due 90 days or more and still accruing interest are both well secured and in the process of collection. The $9.4 million, or 8.5%, decrease in potential problem loans was primarily the result of $20.9 million of net principal payments, $12.9 million of loan grade improvements, $5.3 million of loans transferred to impaired status and $1.8 million of loan charge-offs, partially offset by the addition of loans graded as potential problem loans of $32.2 million during the nine months ended September 30, 2016.

Analysis of Allowance for Loan Losses

Management maintains an allowance for loan losses (“ALL”) to provide for estimated probable incurred losses in the loan portfolio at the balance sheet date. The adequacy of the ALL is monitored through our ongoing quarterly loan quality assessments.

We assess the estimated credit losses inherent in our loan portfolio by considering a number of elements including:

•Historical loss experience in the loan portfolio;

•Balance of potential problem loans in the loan portfolio;

•Impact of environmental factors, including:

▪Levels of and trends in delinquencies and impaired loans;

▪Levels of and trends in charge-offs and recoveries;

▪ Effects of changes in risk selection and underwriting standards, and other changes in lending policies, procedures and practices;

▪Experience, ability, and depth of lending management and other relevant staff;

▪National and local economic trends and conditions;

▪Other external factors such as competition, legal, and regulatory;

▪Effects of changes in credit concentrations; and

▪Other factors

We calculate an appropriate ALL for loans in our loan portfolio, except PCI loans, by applying historical loss factors for homogeneous classes of the portfolio, adjusted for changes to the above-noted environmental factors. We may record specific provisions for impaired loans, including loans on nonaccrual status and TDRs, after a careful analysis of each loan’s credit and collateral factors. Our analysis of an appropriate ALL combines the provisions made for our non-classified loans, classified loans, and the specific provisions made for each impaired loan.

The allowance for loan losses on loans designated as non-PCI loans is similar to the methodology described above except that for non-PCI loans, the remaining unaccreted discounts resulting from the fair value adjustments recorded at the time the loans were purchased are additionally factored into the allowance methodology.

For the PCI loans, the acquisition date fair value incorporated our estimate of future expected cash flows until the ultimate resolution of these credits. To the extent actual or projected cash flows are less than previously estimated, additional provisions for loan losses on the PCI loan portfolio will be recognized immediately into earnings. To the extent actual or projected cash flows are more than previously estimated, the increase in cash flows is recognized immediately as a recapture of provision for loan losses up to the previously recognized provision for that loan or pool of loans, if any, and then prospectively recognized in interest income as a yield adjustment.

While we believe we use the best information available to determine the allowance for loan losses under our methodology, results of operations could be significantly affected if circumstances differ substantially from the assumptions used in determining the allowance. A decline in local and national economic conditions, or other factors, could result in a material increase in the allowance for loan losses and may adversely affect the Company’s financial condition and results of operations. In addition, the determination of the amount of the allowance for loan losses is subject to review by bank regulators, as part of their routine examination process, which may result in the establishment of additional allowance allocations based upon their judgment of information available to them at the time of their examination.

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The following table provides information regarding changes in our allowance for loan losses as of and for the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(Dollars in thousands)
Loans receivable, net at the end of the period	$	2,578,977		$	2,404,044		$	2,578,977		$	2,404,044
Average loans receivable during the period	$	2,526,150		$	2,356,090		$	2,461,856		$	2,295,881
Allowance for loan losses on loans at the beginning of the period	$	28,426		$	28,278		$	29,746		$	27,729
Provision for loan losses	1,495			851			3,754			3,247
Charge-offs:
Commercial business	(328		)	(70		)	(3,698		)	(1,580		)
Real estate construction and land development	—			—			(154		)	(106		)
Consumer	(572		)	(278		)	(1,370		)	(1,208		)
Total charge-offs	(900		)	(348		)	(5,222		)	(2,894		)
Recoveries:
Commercial business	993			59			1,352			447
One-to-four family residential	—			12			2			13
Real estate construction and land development	—			—			83			100
Consumer	197			152			496			362
Total recoveries	1,190			223			1,933			922
Net recoveries (charge-offs)	290			(125		)	(3,289		)	(1,972		)
Allowance for loan losses at the end of the period	$	30,211		$	29,004		$	30,211		$	29,004
Allowance for loan losses to loans receivable, net	1.17		%	1.21		%	1.17		%	1.21		%
Ratio of net (recoveries) charge-offs to average loans receivable (annualized)	(0.05		)%	0.02		%	0.18		%	0.11		%

The allowance for loan losses was $30.2 million at September 30, 2016 and $29.7 millionat December 31, 2015, which was the result of net charge-offs of $3.3 million and provision for loan losses of $3.8 million recorded during the nine months ended September 30, 2016. Of the $3.3 million of net charge-offs, $1.0 million related to the closure of a PCI loan pool during the second quarter of 2016. This pool closure accounting entry represents past residual losses estimated and provided for in the pool's allocated allowance for loan loss.  As the last loan in the pool was resolved during the quarter ended June 30, 2016, the Bank recognized these past losses as a charge-off to the allowance for loan losses.

The Bank recorded two significant commercial and industrial loan recoveries during the three months ended September 30, 2016 totaling $915,000. As a result of these recoveries, the ratio of net recoveries to average loans receivable was to 0.05% for the three months ended September 30, 2016 compared to net charge-offs of 0.02% for the three months ended September 30, 2015.

The Bank recorded two significant commercial and industrial loan charge-offs during the nine months ended September 30, 2016 totaling $1.8 million because of defaults by the borrowers in addition to the $1.0 million charge-off related to the closure of a PCI loan pool discussed above. The Bank also recorded $698,000 of recoveries on one of these two significant loan charge-offs during the nine months ended September 30, 2016. Based on these events, the ratio of net charge-offs to average loans receivable increased to 0.18% for the nine months ended September 30,

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2016 from 0.11% for the nine months ended September 30, 2015. The methodology we use to estimate the allowance for loan losses factors in historical losses over the 12-quarter rolling historical period as well as other credit quality indicators, many of which showed improvement from prior periods. As a result, even though net charge-offs increased as compared to the prior periods, as did nonperforming loans as described below, the allowance for loan losses to loans receivable, net, decreased to 1.17% at September 30, 2016 from 1.24% at December 31, 2015.

Nonperforming loans increased $1.9 million, or 19.4%, to $11.5 million at September 30, 2016 from $9.7 million at December 31, 2015. Nonperforming loans to loans receivable, net was 0.45% at September 30, 2016 compared to 0.40% at December 31, 2015, and the allowance for loan losses to nonperforming loans was 261.79% at September 30, 2016 and 307.67% at December 31, 2015. As of September 30, 2016, the Bank identified $31.3 million of impaired loans, of which $11.9 million had no specific valuation allowance as their estimated collateral value or discounted estimated cash flow is equal to or exceeds their carrying value. The remaining $19.4 million of impaired loans at September 30, 2016 had related specific valuation allowances totaling $2.5 million. This is compared to $30.4 million of impaired loans at December 31, 2015, of which $6.0 million had no specific valuation allowance and $24.3 million had $3.3 million of specific valuation allowance.

Based on the established comprehensive methodology, management deemed the allowance for loan losses of $30.2 million at September 30, 2016 (1.17% of loans receivable, net and 261.79% of nonperforming loans) appropriate to provide for probable incurred credit losses based on an evaluation of known and inherent risks in the loan portfolio at that date. This compares to an allowance for loan losses at December 31, 2015 of $29.7 million (1.24% of loans receivable, net and 307.67% of nonperforming loans). At the applicable acquisition or merger dates, no allowance for loan losses was established on purchased loans as the loans were accounted for at their fair value and a discount was established for the loans. At September 30, 2016 and December 31, 2015, the remaining fair value discount for these purchased loans was $14.7 million and $20.4 million, respectively.

The following table outlines the allowance for loan losses and related loan balances at September 30, 2016 and December 31, 2015:

	September 30, 2016			December 31, 2015
	(Dollars in thousands)
General Valuation Allowance:
Allowance for loan losses	$	20,823		$	17,354
Gross loans, excluding PCI and impaired loans	$	2,477,838		$	2,283,832
Percentage	0.84		%	0.76		%
PCI Allowance:
Allowance for loan losses	$	6,881		$	9,084
Gross PCI loans	$	67,971		$	86,919
Percentage	10.12		%	10.45		%
Specific Valuation Allowance:
Allowance for loan losses	$	2,507		$	3,308
Gross impaired loans	$	31,268		$	30,362
Percentage	8.02		%	10.90		%
Total Allowance for Loan Losses:
Allowance for loan losses	$	30,211		$	29,746
Gross loans receivable	$	2,577,077		$	2,401,113
Percentage	1.17		%	1.24		%

While the Bank believes it has established its existing allowances for loan losses in accordance with U.S. GAAP, there can be no assurance that bank regulators, in reviewing the Bank’s loan portfolio, will not request the Bank to increase significantly its allowance for loan losses. In addition, because future events affecting borrowers and collateral cannot be predicted with certainty, there can be no assurance that the existing allowance for loan losses is appropriate or that increased provisions will not be necessary should the credit quality of the loans deteriorate. Any

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material increase in the allowance for loan losses would adversely affect the Company’s financial condition and results of operations.

Based on management’s assessment of loan quality and current economic conditions, the Company believes that its allowance for loan losses was appropriate to absorb the probable incurred losses and inherent risks of loss in the loan portfolio at September 30, 2016.

Deposits and Other Borrowings

As indicated in the table below, total deposits were $3.24 billion at September 30, 2016, an increase of $134.1 million, or 4.3%, from $3.11 billion at December 31, 2015.

	September 30, 2016				December 31, 2015
	Balance		% of Total		Balance		% of Total
	(Dollars in thousands)
Noninterest bearing demand deposits	$	865,930	26.7	%	$	770,927	24.8	%
NOW accounts	963,827		29.7		917,859		29.5
Money market accounts	535,454		16.5		545,342		17.6
Savings accounts	508,566		15.7		453,826		14.6
Total non-maturity deposits	2,873,777		88.6		2,687,954		86.5
Certificates of deposit	368,644		11.4		420,333		13.5
Total deposits	$	3,242,421	100.0	%	$	3,108,287	100.0	%

The increase in deposits was the result of customer activities. Non-maturity deposits (total deposits less certificates of deposit) increased $185.8 million, or 6.9%, to $2.87 billion at September 30, 2016 from $2.69 billion at December 31, 2015 and certificate of deposit accounts have decreased $51.7 million, or 12.3%, to $368.6 million at September 30, 2016 from $420.3 million at December 31, 2015. Based on the change in the mix and volume of deposits, the percentage of certificates of deposit to total deposits decreased to 11.4% at September 30, 2016 from 13.5% at December 31, 2015.

Borrowings may be used on a short-term basis to compensate for reductions in other sources of funds (such as deposit inflows at less than projected levels). Borrowings may also be used on a longer-term basis to support expanded lending activities and match the maturity of repricing intervals of assets. The Bank is utilizing securities sold under agreement to repurchase as a supplement to its funding sources. Our repurchase agreements are secured by available for sale investment securities. At September 30, 2016, the Bank had securities sold under agreement to repurchase of $22.4 million, a decrease of $789,000, or 3.4%, from $23.2 million at December 31, 2015. The decrease is the result of customer activity during the period.

The Company also has junior subordinated debentures with a par value of $25.0 million which pay quarterly interest based on three-month LIBOR plus 1.56%. The debentures mature in 2037. The balance of the junior subordinated debentures at September 30, 2016 was $19.6 million, which reflects the fair value of the debentures established during the merger with Washington Banking, adjusted for the accretion of discount from purchase accounting fair value adjustment.

At September 30, 2016, the Bank maintained credit facilities with the FHLB of Des Moines for $664.5 million and credit facilities with the Federal Reserve Bank of San Francisco for $51.2 million. The Company had $17.7 million of FHLB advances outstanding at September 30, 2016 and no borrowings outstanding at December 31, 2015. The average cost of the FHLB advances during the nine months ended September 30, 2016 was0.54%. The Bank also maintains lines of credit with four correspondent banks to purchase federal funds totaling $90.0 million as of September 30, 2016. There were no federal funds purchased as of September 30, 2016.

We are required to maintain an adequate level of liquidity to ensure the availability of sufficient funds to fund loan originations and deposit withdrawals, satisfy other financial commitments, and fund operations. We generally maintain sufficient cash and short-term investments to meet short-term liquidity needs. At September 30, 2016, cash and cash equivalents totaled $112.8 million, or 2.9% of total assets. In addition, $1.5 million of the $5.5 million of other interest earning deposits are scheduled to mature within one year of September 30, 2016. The fair value of investment securities available for sale totaled $819.2 million at September 30, 2016 of which $256.5 million were pledged to secure public deposits or borrowing arrangements. The fair value of investment securities available for sale that were not pledged to secure public deposits or borrowing arrangements totaled $562.6 million, or 14.6%, of total assets at

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September 30, 2016. The fair value of investment securities available for sale with maturities of one year or less were $3.6 million, or 0.09%, of total assets at September 30, 2016.

Liquidity and Cash Flows

Our primary sources of funds are customer deposits, loan principal and interest payments and interest earned on and proceeds from sales and maturities of investment securities. These funds, together with retained earnings, equity and other borrowed funds (as necessary), are used to make loans, acquire investment securities and other assets, and fund continuing operations. While maturities and scheduled amortization of loans are predictable sources of funds, deposit flows and prepayments are greatly influenced by the level of interest rates, economic conditions, and competition. In addition to customer deposits, management may utilize the use of brokered deposits on an as-needed basis.

Heritage Bank: The principal objective of the Bank’s liquidity management program is to maintain the ability to meet day-to-day cash flow requirements of its customers who either wish to withdraw funds or to draw upon credit facilities to meet their cash needs. The Bank monitors the sources and uses of funds on a daily basis to maintain an acceptable liquidity position. In addition to liquidity from core deposits and the repayment and maturities of loans, the Bank can utilize established credit facilities and lines with correspondent banks or sale of investment securities.

Heritage Financial Corporation: The Company is a separate legal entity from the Bank and must provide for its own liquidity. Substantially all of the Company’s revenues are obtained from dividends declared and paid by the Bank. There are statutory and regulatory provisions that could limit the ability of the Bank to pay dividends to the Company. However, management believes that such restrictions will not have an adverse impact on the ability of the Company to meets its ongoing cash obligations. At September 30, 2016, the Company (on an unconsolidated basis) had cash and cash equivalents and investment securities available for sale with no stated maturities of $10.1 million.

Consolidated Cash Flows: As disclosed in the Condensed Consolidated Statements of Cash Flows, net cash provided by operating activities was $40.3 million for the nine months ended September 30, 2016, and primarily consisted of proceeds from sale of loans held for sale of $103.6 million, net income of $29.0 million, depreciation and amortization of $9.5 million and provision for loan losses of $3.8 million, partially offset by originations for loans held for sale of $99.5 million. During the nine months ended September 30, 2016, net cash used in investing activities was $192.4 million, which consisted primarily of purchases of investment securities available for sale of $188.2 million and net loan originations of $179.9 million, offset partially by proceeds from sales of investment securities available for sale of $94.4 million and maturities of investment securities available for sale of $94.3 million. Net cash provided in financing activities was $138.2 million for the nine months ended September 30, 2016, and primarily consisted of a net increase in deposits of $134.1 million and FHLB advances of $403.1 million, offset partially by repayments of FHLB advances of $385.4 million, a $10.5 million payment of cash dividends on common stock and $2.9 million of repurchases of common stock.

Capital and Capital Requirements

Stockholders’ equity at September 30, 2016 was $496.0 million compared with $470.0 million at December 31, 2015. During the nine months ended September 30, 2016, the Company realized net income of $29.0 million, declared and paid cash dividends of $10.5 million, recorded other comprehensive income of $8.5 million, recorded stock-based compensation expense related to restricted stock, net of tax effect, totaling $1.5 million, recorded $421,000 related to the exercise of stock options, net of tax effect, and repurchased common stock for $2.9 million.

Pursuant to minimum capital requirements of the FDIC effective on January 1, 2015, all FDIC-insured financial institutions, including Heritage Bank, are required to maintain a minimum common equity Tier 1 risk-based capital to risk-weighted assets ratio of 4.5%, a minimum Tier 1 leverage ratio to average assets of 4.0% and minimum risk-based capital ratios of Tier 1 capital to risk-weighted assets and total capital to risk-weighted assets of 6.0% and 8.0%, respectively.

As of September 30, 2016 and December 31, 2015, the most recent regulatory notifications categorized Heritage Bank as well capitalized under the regulatory framework for prompt corrective action. There are no conditions or events since that notification that management believes have changed the Bank’s categories. The following table provides our capital requirements and actual results.

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	Minimum Requirements				Well-Capitalized Requirements		Actual
	(Dollars in thousands)
As of September 30, 2016:
The Company consolidated
Common equity Tier 1 capital to risk-weighted assets	$	142,901	4.5	%	N/A	N/A	$	362,971	11.4	%
Tier 1 leverage capital to average assets	146,095		4.0		N/A	N/A	382,491		10.5
Tier 1 capital to risk-weighted assets	190,534		6.0		N/A	N/A	382,491		12.0
Total capital to risk-weighted assets	254,045		8.0		N/A	N/A	412,913		13.0
Heritage Bank
Common equity Tier 1 capital to risk-weighted assets	142,771		4.5		206,225	6.5	371,140		11.7
Tier 1 leverage capital to average assets	145,984		4.0		182,480	5.0	371,140		10.2
Tier 1 capital to risk-weighted assets	190,362		6.0		253,816	8.0	371,140		11.7
Total capital to risk-weighted assets	253,816		8.0		317,270	10.0	401,521		12.7
As of December 31, 2015:
The Company consolidated
Common equity Tier 1 capital to risk-weighted assets	$	129,673	4.5	%	N/A	N/A	$	345,993	12.0	%
Tier 1 leverage capital to average assets	140,395		4.0		N/A	N/A	365,232		10.4
Tier 1 capital to risk-weighted assets	172,897		6.0		N/A	N/A	365,232		12.7
Total capital to risk-weighted assets	230,530		8.0		N/A	N/A	395,148		13.7
Heritage Bank
Common equity Tier 1 capital to risk-weighted assets	129,633		4.5		187,248	6.5	358,600		12.5
Tier 1 leverage capital to average assets	140,331		4.0		175,414	5.0	358,600		10.2
Tier 1 capital to risk-weighted assets	172,844		6.0		230,459	8.0	358,600		12.5
Total capital to risk-weighted assets	230,459		8.0		288,074	10.0	388,516		13.5

Although new capital requirements were effective on January 1, 2015, certain provisions of the new rule will be phased-in from the effective date through 2019, including, among others, a new capital conservation buffer requirement, which requires financial institutions to maintain a common equity capital ratio more than 2.5% above the required minimum levels in order to avoid limitations on capital distributions, including dividend payments, and certain discretionary bonus payments based on percentages of eligible retained income that could be utilized for such actions. The new capital conservation buffer requirement began to be phased-in on January 1, 2016 at 0.625% of risk-weighted assets, and will continue to increase by 0.625% on each subsequent January 1, until it reaches 2.5% on January 1, 2019. At September 30, 2016, the capital conservation buffer was 5.00% and 4.66% for the Company and the Bank, respectively.

Quarterly, the Company reviews the potential payment of cash dividends to its common shareholders. The timing and amount of cash dividends paid on our common stock depends on the Company’s earnings, capital requirements, financial condition and other relevant factors. Dividends on common stock from the Company depend substantially upon receipt of dividends from the Bank, which is the Company’s predominant source of income. On October 26, 2016, the Company’s Board of Directors declared a regular dividend of $0.12 per common share and a special dividend of $0.25 payable on November 22, 2016 to shareholders of record on November 8, 2016.

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ITEM 3.     QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our results of operations are highly dependent upon our ability to manage interest rate risk. We consider interest rate risk to be a significant market risk that could have a material effect on our financial condition and results of operations. Interest rate risk is measured and assessed on a quarterly basis. In our opinion, there has not been a material change in our interest rate risk exposure since the information disclosed in our Annual Report on Form 10-K for the year ended December 31, 2015.

We do not maintain a trading account for any class of financial instrument nor do we engage in hedging activities or purchase high-risk derivative instruments. Moreover, we have no material foreign currency exchange rate risk or commodity price risk.

ITEM 4.     CONTROLS AND PROCEDURES

(a) Evaluation of Disclosure Controls and Procedures

An evaluation of the Company’s disclosure controls and procedure (as defined in Section 13a-15(e) or 15d-15(e) of the Securities Exchange Act of 1934 (the “Act”)) was carried out under the supervision and with the participation of the Company’s Chief Executive Officer, Chief Financial Officer and the Company’s Disclosure Committee as of the end of the period covered by this quarterly report. In designing and evaluating the Company’s disclosure controls and procedures, management recognized that disclosure controls and procedures, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the disclosure controls and procedures are met. Additionally, in designing disclosure controls and procedures, management necessarily was required to apply its judgment in evaluating the cost-benefit relationship of possible disclosure controls and procedures. The design of any disclosure controls and procedures also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Based on their evaluation, the Company’s Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures as of September 30, 2016 are effective in ensuring that the information required to be disclosed by the Company in the reports it files or submits under the Act is (i) accumulated and communicated to the Company’s management (including the Chief Executive Officer and Chief Financial Officer) in a timely manner, and (ii) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

(b) Changes in Internal Control Over Financial Reporting

There have been no changes in the Company’s internal control over financial reporting (as defined in Rule 13a-15(f) of the Act) that occurred during the quarter ended September 30, 2016, that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting. The Company does not expect that its internal control over financial reporting will prevent all error and all fraud. A control procedure, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control procedure are met. Because of the inherent limitations in all control procedures, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the control. The design of any control procedure also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions; over time, controls may become inadequate because of changes in conditions, or the degree of compliance with the policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control procedure, misstatements due to error or fraud may occur and not be detected.

PART II.    OTHER INFORMATION

ITEM 1.     LEGAL PROCEEDINGS

Heritage and Heritage Bank are not a party to any material pending legal proceedings other than ordinary routine litigation incidental to the business of the Bank.

ITEM 1A.     RISK FACTORS

There have been no material changes to the risk factors set forth in Part I. Item 1A of the Company’s Annual Report on Form 10-K for the year ended December 31, 2015.

68

ITEM 2.     UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The Company has had various stock repurchase programs since March 1999. On October 23, 2014, the Company's Board of Directors authorized the repurchase of up to 5% of the Company's outstanding common shares, or approximately 1,513,000 shares, under the eleventh stock repurchase plan. The number, timing and price of shares repurchased will depend on business and market conditions, and other factors, including opportunities to deploy the Company's capital.

The following table provides total repurchased shares and average share prices under the applicable plan for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015		Plan Total (1)
Eleventh Plan
Repurchased shares	38,000		—		138,000		441,966		579,996
Stock repurchase average share price	$	17.46	$	—	$	17.16	$	16.64	$	16.76

(1) Represents shares repurchased and average price per share paid during the duration of each plan.

In addition to the stock repurchases disclosed in the table above, the Company repurchased shares to pay withholding taxes on the vesting of restricted stock. During the three and nine months ended September 30, 2016, the Company repurchased 5,267 and 29,206 shares of common stock at an average price per share of $18.64 and $17.77, respectively, to pay withholding taxes on the vesting of restricted stock that vested during the respective periods. During the three and nine months ended September 30, 2015, the Company repurchased 388 and 21,998 shares of common stock at an average price per share of $17.63 and $17.07, respectively, to pay withholding taxes on the vesting of restricted stock that vested during the respective periods.

The following table sets forth information about the Company’s purchases of its outstanding common stock during the quarter ended September 30, 2016.

Period	Total Number  of Shares  Purchased(1)	Average Price Paid Per  Share(1)		Total Number of  Shares Purchased as  Part of Publicly Announced Plans or Programs	Maximum Number  of Shares that May Yet Be Purchased Under the Plans or Programs
July 1, 2016— July 31, 2016	38,000	$	17.46	7,893,389	935,034
August 1, 2016— August 31, 2016	—	—		7,893,389	935,034
September 1, 2016— September 30, 2016	5,267	18.64		7,893,389	935,034
Total	43,267	$	17.60	7,893,389	935,034

(1) Of the common shares repurchased by the Company between July 1, 2016 and September 30, 2016, 5,267 shares of restricted stock represented the cancellation of stock to pay withholding taxes at a weighted average price per share of $18.64.

ITEM 3.     DEFAULTS UPON SENIOR SECURITIES

None

ITEM 4.     MINE SAFETY DISCLOSURES

Not applicable

ITEM 5.        OTHER INFORMATION

None

69

ITEM 6.     EXHIBITS

Exhibit No.	Description of Exhibit
2.1	Purchase and Assumption Agreement for Cowlitz Acquisition (1)
2.2	Purchase and Assumption Agreement for Pierce Acquisition (2)
2.3	Definitive Agreement for Valley Acquisition (3)
2.4	Agreement and Plan of Merger with Washington Banking Company (4)
3.1	Articles of Incorporation (5)
3.2	Amended and Restated Bylaws of the Company (6)
10.1	1998 Stock Option and Restricted Stock Award Plan (7)
10.2	1997 Stock Option and Restricted Stock Award Plan (8)
10.3	2002 Incentive Stock Option Plan, Director Nonqualified Stock Option Plan, and Restricted Stock Option Plan (9)
10.4	2006 Incentive Stock Option Plan, Director Nonqualified Stock Option Plan, and Restricted Stock Option Plan (10)
10.5	Annual Incentive Compensation Plan (11)
10.6	2010 Omnibus Equity Plan (12)
10.7	2014 Omnibus Equity Plan (13)
10.8	Form of Nonqualified Stock Option Award Agreement under the Heritage Financial Corporation 2014 Omnibus Equity Plan (14)
10.9	Form of Restricted Stock Award Agreement under the Heritage Financial Corporation 2014 Omnibus Equity Plan (14)
10.10	Form of Restricted Stock Unit Award Agreement under the Heritage Financial Corporation 2014 Omnibus Equity Plan (14)
10.11	Deferred Compensation Plan and Participation Agreements by and between Heritage and each of Brian L. Vance, Jeffrey J. Deuel and Donald J. Hinson (15)
10.12	Employment Agreements by and between Heritage and each of Brian L. Vance, Jeffrey J. Deuel and Donald J. Hinson (15)
10.13	Employment Agreement and Deferred Compensation Participation Agreement by and between Heritage and David A. Spurling (16)
10.14	Employment Agreement by and between Heritage and Bryan McDonald (17)
10.15	Employment Agreements by and between Heritage and Edward Eng (17)
10.16	Deferred Compensation Plan and Participation Agreement by and between Heritage and Bryan D. McDonald (18)
10.17	Form of Split Dollar Agreements, dated August 3, 2015, by and between Heritage and Brian L. Vance, Jeffrey J. Deuel, Donald J. Hinson, Bryan D. McDonald and David A. Spurling (19)
10.18	Deferred Compensation Plan and Participation Agreement by and between Heritage and David A. Spurling (20)
11	Statement regarding computation of earnings per share (21)
14.0	Code of Ethics and Conduct Policy (22)
31.1	Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

70

31.2	Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	Certification of Principal Executive Officer and Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	The following materials from Heritage Financial Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2016, formatted in Extensible Business Reporting Language (“XBRL”): (i) Unaudited Condensed Consolidated Statements of Financial Condition, (ii) Unaudited Condensed Consolidated Statements of Income; (iii) Unaudited Condensed Consolidated Statements of Comprehensive Income, (iv) Unaudited Condensed Consolidated Statements of Stockholders' Equity; (v) Unaudited Condensed Consolidated Statements of Cash Flows, and (vi) Unaudited Notes to Condensed Consolidated Financial Statements

(1) Incorporated by reference to the Current Report on Form 8-K dated July 30, 2010.

(2) Incorporated by reference to the Current Report on Form 8-K dated November 5, 2010.

(3) Incorporated by reference to the Current Report on Form 8-K dated March 11, 2013.

(4) Incorporated by reference to the Current Report on Form 8-K dated October 23, 2013.

(5) Incorporated by reference to the Registration Statement on Form S-1 (Reg. No. 333-35573) declared effective on November 12, 1997; as amended, said Amendment being incorporated by reference to the Amendment to the Articles of Incorporation of Heritage Financial Corporation filed with the Current Report on Form 8-K dated November 25, 2008.

(6) Incorporated by reference to the Current Report on Form 8-K filed on October 3, 2016.

(7) Incorporated by reference to the Registration Statement on Form S-8 (Reg. No. 333-71415).

(8) Incorporated by reference to the Registration Statement on Form S-8 (Reg. No. 333-57513).

(9) Incorporated by reference to the Registration Statements on Form S-8 (Reg. No. 333-88980; 333-88982; 333-88976).

(10) Incorporated by reference to the Registration Statements on Form S-8 (Reg. No. 333-134473; 333-134474; 333-134475).

(11) Incorporated by reference to the Annual Report on Form 10-K dated March 2, 2010.

(12) Incorporated by reference to the Registration Statement on Form S-8 (Reg. No. 33-167146).

(13) Incorporated by reference to Heritage Financial Corporation's definitive proxy statement dated June 11, 2014.

(14) Incorporated by reference to the Current Report on Form 10-Q dated August 6, 2014.

(15) Incorporated by reference to the Current Report on Form 8-K dated September 7, 2012.

(16) Incorporated by reference to the Current Report on Form 8-K dated January 6, 2014.

(17) Incorporated by reference to the Registration Statement on Form S-4 (Reg. No. 333-192985).

(18) Incorporated by reference to the Annual Report on Form 10-K dated March 10, 2015.

(19) Incorporated by reference to the Current Report on Form 10-Q dated August 6, 2015.

(20) Incorporated by reference to the Current Report on Form 8-K dated December 22, 2015.

(21) Reference is made to Note (11)—Stockholders' Equity in the Notes to Condensed Consolidated Financial Statements under Part 1. Item 1. herein.

(22) Registrant elects to satisfy Regulation S-K §229.406(c) by posting its Code of Ethics on its website at www.HF-WA.com in the section titled Investor Information: Corporate Governance.

71

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.

	HERITAGE FINANCIAL CORPORATION
Date:
November 8, 2016	/S/    BRIAN L. VANCE
	Brian L. Vance
	President and Chief Executive Officer
	(Duly Authorized Officer)
Date:
November 8, 2016	/S/    DONALD J. HINSON
	Donald J. Hinson
	Executive Vice President and Chief Financial Officer
	(Principal Financial and Accounting Officer)

72

EXHIBIT INDEX

Exhibit No.	Description of Exhibit
31.1	Certification of Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	Certification of Principal Executive Officer and Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	The following financial information from Heritage Financial Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2016 is formatted in XBRL: (i) the Unaudited Condensed Consolidated Statements of Financial Condition, (ii) the Unaudited Condensed Consolidated Statements of Income, (iii) the Unaudited Condensed Consolidated Statements Comprehensive Income, (iv) the Unaudited Condensed Consolidated Statements of Stockholders’ Equity, (v) the Unaudited Condensed Consolidated Statements of Cash Flows, and (vi) the Unaudited Notes to Condensed Consolidated Financial Statements.

73

EX-31.1

EXHIBIT 31.1

Certification of Principal Executive Officer

I, Brian L. Vance, certify that:

1. I have reviewed the quarterly report on Form 10-Q of Heritage Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of and for the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. all significant deficiencies and material weaknesses in the design or operation of internal controls 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.

November 8, 2016

/s/ Brian L. Vance

Brian L. Vance

President and Chief Executive Officer

Principal Executive Officer

EX-31.2

EXHIBIT 31.2

Certification of Principal Financial Officer

I, Donald J. Hinson, certify that:

1. I have reviewed the quarterly report on Form 10-Q of Heritage Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of and for the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. all significant deficiencies and material weaknesses in the design or operation of internal controls 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.

November 8, 2016

/s/ Donald J. Hinson

Donald J. Hinson

Executive Vice President and Chief Financial Officer

Principal Financial and Accounting Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Heritage Financial Corporation (the “Company”) on Form 10-Q for the quarter ended September 30, 2016 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Brian L. Vance, President and Chief Executive Officer and Donald J. Hinson, Executive Vice President and Chief Financial Officer of the Company, certify in our capacity as officers of the Company, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods presented in the financial statements included in such Report.

November 8, 2016	/s/ Brian L. Vance
	Brian L. Vance
	President and Chief Executive Officer Principal Executive Officer
November 8, 2016	/s/ Donald J. Hinson
	Donald J. Hinson
	Executive Vice President and Chief Financial Officer Principal Financial and Accounting Officer

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2016	Oct. 26, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	HERITAGE FINANCIAL CORP /WA/
Entity Central Index Key	0001046025
Document Type	10-Q
Document Period End Date	Sep. 30, 2016
Amendment Flag	false
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		29,946,823

XML

Condensed Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
ASSETS
Cash on hand and in banks	$ 86,142	$ 63,816
Interest earning deposits	26,618	62,824
Cash and cash equivalents	112,760	126,640
Other interest earning deposits	5,461	6,719
Investment securities available for sale, at fair value	819,159	811,869
Loans held for sale	8,964	7,682
Loans receivable, net	2,578,977	2,402,042
Allowance for loan losses	(30,211)	(29,746)
Total loans receivable, net	2,548,766	2,372,296
Other real estate owned	0	2,019
Premises and equipment, net	63,312	61,891
Federal Home Loan Bank stock, at cost	5,088	4,148
Bank owned life insurance	69,962	60,876
Accrued interest receivable	11,327	10,469
Prepaid expenses and other assets	74,816	58,365
Other intangible assets, net	7,732	8,789
Goodwill	119,029	119,029
Total assets	3,846,376	3,650,792
LIABILITIES AND STOCKHOLDERS' EQUITY
Deposits	3,242,421	3,108,287
Federal Home Loan Bank advances	17,700	0
Junior subordinated debentures	19,644	19,424
Securities sold under agreement to repurchase	22,425	23,214
Accrued expenses and other liabilities	48,174	29,897
Total liabilities	3,350,364	3,180,822
Stockholders’ equity:
Preferred stock, no par value, 2,500,000 shares authorized; no shares issued and outstanding at September 30, 2016 and December 31, 2015	0	0
Common stock, no par value, 50,000,000 shares authorized; 29,946,823 and 29,975,439 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	358,451	359,451
Retained earnings	126,497	107,960
Accumulated other comprehensive income, net	11,064	2,559
Total stockholders’ equity	496,012	469,970
Total liabilities and stockholders’ equity	$ 3,846,376	$ 3,650,792

XML

Condensed Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - $ / shares	Sep. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, par value (in usd per share)
Preferred stock, shares authorized	2,500,000	2,500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in usd per share)
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	29,946,823	29,975,439
Common stock, shares outstanding	29,946,823	29,975,439

XML

Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
INTEREST INCOME
Interest and fees on loans	$ 30,915	$ 30,179	$ 91,595	$ 91,213
Taxable interest on investment securities	2,888	2,187	8,522	7,199
Nontaxable interest on investment securities	1,235	1,056	3,599	3,137
Interest and dividends on other interest earning assets	76	62	225	173
Total interest income	35,114	33,484	103,941	101,722
INTEREST EXPENSE
Deposits	1,269	1,335	3,765	3,961
Junior subordinated debentures	221	195	647	627
Other borrowings	18	14	78	50
Total interest expense	1,508	1,544	4,490	4,638
Net interest income	33,606	31,940	99,451	97,084
Provision for loan losses	1,495	851	3,754	3,247
Net interest income after provision for loan losses	32,111	31,089	95,697	93,837
NONINTEREST INCOME
Service charges and other fees	3,630	3,593	10,462	10,575
Gain on sale of investment securities, net	345	393	1,106	1,362
Gain on sale of loans, net	3,435	1,411	5,406	3,828
Gain on termination of FDIC shared-loss agreements	0	1,747	0	1,747
Gain on sale of Merchant Visa portfolio	0	0	0	1,650
Other income	2,457	2,400	6,459	5,607
Total noninterest income	9,867	9,544	23,433	24,769
NONINTEREST EXPENSE
Compensation and employee benefits	15,633	14,918	45,652	42,984
Occupancy and equipment	3,926	3,970	11,873	11,511
Data processing	1,943	2,398	5,564	5,950
Marketing	745	899	2,254	2,595
Professional services	830	894	2,508	2,602
State and local taxes	820	619	2,031	1,808
Federal deposit insurance premium	296	499	1,316	1,537
Other real estate owned, net	(142)	(5)	330	854
Amortization of intangible assets	359	523	1,057	1,577
Other expense	2,408	2,607	7,079	8,021
Total noninterest expense	26,818	27,322	79,664	79,439
Income before income taxes	15,160	13,311	39,466	39,167
Income tax expense	4,121	3,819	10,441	11,171
Net income	$ 11,039	$ 9,492	$ 29,025	$ 27,996
Basic earnings per common share (in usd per share)	$ 0.37	$ 0.32	$ 0.97	$ 0.93
Diluted earnings per common share (in usd per share)	0.37	0.32	0.97	0.93
Dividends declared per common share (in usd per share)	$ 0.12	$ 0.11	$ 0.35	$ 0.32

XML

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 11,039	$ 9,492	$ 29,025	$ 27,996
Change in fair value of investment securities available for sale, net of tax of $(570), $1,657, $4,983 and $1,300, respectively	(1,055)	3,064	9,223	2,407
Reclassification adjustment for net gain from sale of investment securities available for sale included in income, net of tax of $(121), $(138), $(388) and $(520), respectively	(224)	(255)	(718)	(967)
Accretion of other-than-temporary impairment on investment securities, net of tax of $0, $0, $0 and $4, respectively	0	0	0	108
Reclassification of remaining unaccreted other-than-temporary impairment upon sale of investment securities held to maturity included in income, net of tax $0, $0, $0 and $44, respectively	0	0	0	81
Other comprehensive (loss) income	(1,279)	2,809	8,505	1,629
Comprehensive income	$ 9,760	$ 12,301	$ 37,530	$ 29,625

XML

Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Change in fair value of securities available for sale, tax	$ (570)	$ 1,657	$ 4,983	$ 1,300
Reclassification adjustment of net gain from sale of investment securities included in income, tax	(121)	(138)	(388)	(520)
Accretion of other-than-temporary impairment on investment securities, tax	0	0	0	4
Reclassification of remaining unaccreted other-than-temporary impairment upon sale of investment securities held to maturity included in income, tax	$ 0	$ 0	$ 0	$ 44

XML

Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common stock	Retained earnings	Accumulated other comprehensive income, net
Beginning balance, shares at Dec. 31, 2014		30,260,000
Beginning balance at Dec. 31, 2014	$ 454,506	$ 364,741	$ 86,387	$ 3,378
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted and unrestricted stock awards issued, net of forfeitures, shares		118,000
Restricted and unrestricted stock awards issued, net of forfeitures	$ 0
Exercise of stock options (including excess tax benefits from nonqualified stock options), shares	53,198	53,000
Exercise of stock options (including excess tax benefits from nonqualified stock options)	$ 686	$ 686
Restricted stock compensation expense	1,125	1,125
Net excess tax benefits from vesting of restricted stock	105	$ 105
Common stock repurchased, shares		(464,000)
Common stock repurchased	(7,730)	$ (7,730)
Net income	27,996		27,996
Other comprehensive income, net of tax	1,629			1,629
Cash dividends declared on common stock	(9,621)		(9,621)
Ending balance, shares at Sep. 30, 2015		29,967,000
Ending balance at Sep. 30, 2015	468,696	$ 358,927	104,762	5,007
Beginning balance, shares at Dec. 31, 2015		29,975,000
Beginning balance at Dec. 31, 2015	469,970	$ 359,451	107,960	2,559
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted and unrestricted stock awards issued, net of forfeitures, shares		111,000
Restricted and unrestricted stock awards issued, net of forfeitures	$ 0
Exercise of stock options (including excess tax benefits from nonqualified stock options), shares	27,867	28,000
Exercise of stock options (including excess tax benefits from nonqualified stock options)	$ 421	$ 421
Restricted stock compensation expense	1,367	1,367
Net excess tax benefits from vesting of restricted stock	99	$ 99
Common stock repurchased, shares		(167,000)
Common stock repurchased	(2,887)	$ (2,887)
Net income	29,025		29,025
Other comprehensive income, net of tax	8,505			8,505
Cash dividends declared on common stock	(10,488)		(10,488)
Ending balance, shares at Sep. 30, 2016		29,947,000
Ending balance at Sep. 30, 2016	$ 496,012	$ 358,451	$ 126,497	$ 11,064

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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares								3 Months Ended		9 Months Ended
	Jul. 20, 2016	Apr. 20, 2016	Jan. 27, 2016	Oct. 22, 2015	Jul. 22, 2015	Apr. 22, 2015	Jan. 28, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Stockholders' Equity [Abstract]
Cash dividends declared on common stock (in usd per share)	$ 0.12	$ 0.12	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.10	$ 0.12	$ 0.11	$ 0.35	$ 0.32

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 29,025	$ 27,996
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,543	10,486
Changes in net deferred loan costs, net of amortization	(971)	(1,257)
Provision for loan losses	3,754	3,247
Net change in accrued interest receivable, FDIC indemnification asset, prepaid expenses and other assets, accrued expenses and other liabilities	(193)	(4,085)
Restricted stock compensation expense	1,367	1,125
Net excess tax benefit from exercise of stock options and vesting of restricted stock	(119)	(125)
Amortization of intangible assets	1,057	1,577
Gain on sale of investment securities, net	(1,106)	(1,362)
Origination of loans held for sale	(99,513)	(102,310)
Gain on sale of loans, net	(5,406)	(3,828)
Proceeds from sale of loans	103,637	103,739
Earnings on bank owned life insurance	(1,086)	(769)
Valuation adjustment on other real estate owned	383	415
(Gain) loss on sale of other real estate owned, net	(173)	94
Gain on termination of FDIC shared-loss agreements	0	(1,747)
Loss (gain) on sale or write-off of furniture, equipment and leasehold improvements	107	(1)
Net cash provided by operating activities	40,306	33,195
Cash flows from investing activities:
Loans originated, net of principal payments	(179,930)	(156,106)
Maturities of other interest earning deposits	1,248	4,836
Maturities, calls and payments of investment securities available for sale	94,328	91,915
Maturities, calls and payments of investment securities held to maturity	0	1,897
Purchase of investment securities available for sale	(188,164)	(158,048)
Purchase of premises and equipment	(5,128)	(1,409)
Proceeds from sales of other real estate owned	2,486	3,199
Proceeds from sales of investment securities available for sale	94,380	102,937
Proceeds from sales of investment securities held to maturity	0	972
Proceeds from redemption of FHLB stock	15,416	8,040
Purchases of FHLB stock	(16,356)	0
Proceeds from sale of premises and equipment	659	10
Purchase of bank owned life insurance	(8,000)	(25,000)
Investment in low-income housing tax credit partnership	(3,315)	(442)
Net cash used for termination of FDIC shared-loss agreements	0	7,110
Net cash used in investing activities	(192,376)	(134,309)
Cash flows from financing activities:
Net increase in deposits	134,134	147,867
FHLB advances	403,100	0
Repayments of FHLB advances	(385,400)	0
Common stock cash dividends paid	(10,488)	(9,621)
Net decrease in securities sold under agreement to repurchase	(789)	(9,352)
Proceeds from exercise of stock options	401	666
Net excess tax benefit from exercise of stock options and vesting of restricted stock	119	125
Repurchase of common stock	(2,887)	(7,730)
Net cash provided by financing activities	138,190	121,955
Net (decrease) increase in cash and cash equivalents	(13,880)	20,841
Cash and cash equivalents at beginning of period	126,640	121,636
Cash and cash equivalents at end of period	112,760	142,477
Supplemental disclosures of cash flow information:
Cash paid for interest	4,533	4,841
Cash paid for income taxes	9,000	12,286
Supplemental non-cash disclosures of cash flow information:
Transfers of loans receivable to other real estate owned	677	2,424
Investment in low income housing tax credit partnership and related funding commitment	$ 19,663	$ 0

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Description of Business, Basis of Presentation and Significant Accounting Policies

9 Months Ended

Sep. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business, Basis of Presentation and Significant Accounting Policies and Recently Issued Accounting Pronouncements

Description of Business, Basis of Presentation, Significant Accounting Policies and Recently Issued Accounting Pronouncements

(a) Description of Business

Heritage Financial Corporation ("Heritage" or the “Company”) is a bank holding company that was incorporated in the State of Washington in August 1997. The Company is primarily engaged in the business of planning, directing and coordinating the business activities of its wholly-owned subsidiary, Heritage Bank (the “Bank”). The Bank is a Washington-chartered commercial bank and its deposits are insured by the FDIC under the Deposit Insurance Fund. The Bank is headquartered in Olympia, Washington and conducts business from its 63 branch offices located throughout Washington State and the greater Portland, Oregon area. The Bank’s business consists primarily of commercial lending and deposit relationships with small businesses and their owners in its market areas and attracting deposits from the general public. The Bank also makes real estate construction and land development loans and consumer loans and originates first mortgage loans on residential properties primarily located in its market area.

The Company has expanded its footprint through mergers and acquisitions. The largest of these transactions was the strategic merger with Washington Banking Company (“Washington Banking”) and its wholly owned subsidiary bank, Whidbey Island Bank ("Whidbey"). Effective May 1, 2014, Washington Banking merged with and into Heritage and Whidbey merged with and into Heritage Bank and this transaction is referred to herein as the "Washington Banking Merger". In connection with the Washington Banking Merger, Heritage also acquired as a subsidiary the Washington Banking Master Trust, a Delaware statutory business trust. Pursuant to the merger agreement, Heritage assumed the performance and observance of the covenants to be performed by Washington Banking under an indenture relating to $25.0 million in trust preferred securities issued in 2007 and the due and punctual payment of the principal of and premium and interest on such trust preferred securities. For additional information, see Note (8) Junior Subordinated Debentures.

(b) Basis of Presentation

The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the accounting principles generally accepted in the United States (“U.S. GAAP”) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. It is recommended that these unaudited Condensed Consolidated Financial Statements and accompanying Notes be read with the audited Consolidated Financial Statements and the accompanying Notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015 (“2015 Annual Form 10-K”). In management's opinion, all adjustments (consisting only of normal recurring adjustments) considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2016 are not necessarily indicative of the results that may be expected for the year ending December 31, 2016. In preparing the unaudited Condensed Consolidated Financial Statements, management is required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and related disclosures. Management believes that the judgments, estimates and assumptions used in the preparation of the financial statements are appropriate based on the facts and circumstances at the time. Actual results, however, could differ from those estimates.

Certain prior period amounts have been reclassified to conform to the current period’s presentation. The Company reclassified $56.6 million of loans receivable previously classified as owner-occupied commercial real estate at December 31, 2015 to non-owner occupied commercial real estate for all comparative tables in Note (3) Loans Receivable. The related allowance for loan losses and provision for loan losses for all historical periods in Note (4) Allowance for Loan Losses were also reclassified. None of these loans were considered impaired at September 30, 2016 or December 31, 2015. The reclassification was due to a review of certain loan products, including hotels, assisted-living housing and self-storage units, for which the Bank determined the risk characteristics were more akin to non-owner occupied loans. The Company also reclassified $179.0 million fair value ($179.8 million amortized cost) of mortgage backed securities and collateralized mortgage obligations previously classified as residential to commercial based on a detailed review of the investment types. The reclassifications had no effect on prior periods' net income or stockholders’ equity.

(c) Significant Accounting Policies

The significant accounting policies used in preparation of the Company's Condensed Consolidated Financial Statements are disclosed in the 2015 Annual Report on Form 10-K. There have not been any material changes in the Company's significant accounting policies from those contained in the 2015 Annual Report on Form 10-K.

(d) Recently Issued Accounting Pronouncements

Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU" or "Update") 2014-09, Revenue from Contracts with Customers, was issued in May 2014. Under this Update, FASB created a new Topic 606 which is in response to a joint initiative of FASB and the International Accounting Standards Board to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP and international financial reporting standards that would:

• Remove inconsistencies and weaknesses in revenue requirements.

• Provide a more robust framework for addressing revenue issues.

• Improve comparability of revenue recognition practices across entities, industries, jurisdictions, and capital markets.

• Provide more useful information to users of financial statements through improved disclosure requirements.

• Simplify the preparation of financial statements by reducing the number of requirements to which an entity must refer.

The original effective date for this Update was deferred in FASB ASU 2015-14 below. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2015-14, Revenue from Contracts with Customers, was issued in August 2015 and defers the effective date of the above-mentioned FASB ASU 2014-09 for certain entities. Public business entities, certain not-for-profit entities, and certain employee benefit plans should apply the guidance in Update 2014-09 to annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Earlier application is now permitted, but only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The Company is a public business entity and will not early adopt the guidance in Update 2014-09 as permitted in this Update. The Company is currently evaluating the impact that Update 2014-09 will have on its Condensed Consolidated Financial Statements upon adoption.

FASB ASU 2015-16, Business Combinations (Topic 805), was issued in September 2015. Topic 805 requires that an acquirer retrospectively adjust provisional amounts recognized in a business combination, during the measurement period. To simplify the accounting for adjustments made to provisional amounts, the Update requires that the acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amount is determined. The acquirer is required to also record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization, or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date.  In addition, an entity is required to present separately on the income statement or disclose in the notes to the financial statements the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. The Update did not have an impact on the Company's Condensed Consolidated Financial Statements as of September 30, 2016.

FASB ASU 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities (Subtopic 825-10), was issued in January 2016, to enhance the reporting model for financial instruments to provide users of financial statements with more decision-useful information. This Update contains several provisions, including but not limited to 1) requiring equity investments, with certain exceptions, to be measured at fair value with changes in fair value recognized in net income; 2) simplifying the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; 3) eliminating the requirement to disclose the method(s) and significant assumptions used to estimate fair value; and 4) requiring separate presentation of financial assets and liabilities by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements. The Update also changes certain financial statement disclosure requirements, including requiring disclosures of the fair value of financial instruments be made on the basis of exit price. The Update is effective for public entities for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-02, Leases (Topic 842), was issued in February 2016, to increase transparency and comparability of leases among organizations and to disclose key information about leasing arrangements. The Update sets out the principles for the recognition, measurement, presentation and disclosure of leases for both lessees and lessors. The Update requires lessees to apply a dual approach, classifying leases as either a finance or operating lease. This classification will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term greater than 12 months regardless of their classification. All cash payments will be classified within operating activities in the statement of cash flows. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. The Update is effective for public entities for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-08, Revenue from Contracts with Customers: Principal versus Agent Considerations, was issued in March 2016 and it clarifies the implementation guidance of the above-mentioned FASB ASU 2014-09 as it relates to principal versus agent considerations. The Update addresses identifying the unit of account and nature of the goods or services as well as applying the control principle and interactions with the control principle. The amendments to the Update do not change the core principle of the guidance. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-09, Stock Compensation (Topic 718), issued in March 2016, is intended to simplify several aspects of the accounting for share-based payment award transactions. For public business entities, the guidance is effective for annual periods after December 15, 2016, including interim periods within those annual periods with early adoption permitted. Certain amendments will be applied using a modified retrospective transition method by means of a cumulative-effect adjustment to equity as of the beginning of the period in which the guidance is adopted. Other amendments will be applied retroactively (such as presentation of employee taxes paid on the statement of cash flows) or prospectively (such as recognition of excess tax benefits on the income statement). The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, was issued in April 2016 which clarifies the implementation guidance of the above-mentioned FASB ASU 2014-09 as it relates to identifying performance obligations and licensing. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-scope Improvements and Practical Expedients, was issued in May 2016. The amendments in this Update do not change the core principle of the guidance in Topic 606. Rather, the amendments in this Update affect only the narrow aspects of Topic 606. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-13, Financial Instruments: Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, was issued in June 2016. Commonly referred to as the current expected credit loss model("CECL"), this Update requires financial assets measured at amortized cost basis to be presented at the net amount expected to be collected. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset to present the net carrying value at the amount expected to be collected on the financial asset. The measurement of expected credit losses is based on relevant information about past events including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectibility of the reported amount. The amendment affects loans, debt securities, trade receivables, net investments in leases, off-balance-sheet credit exposures, reinsurance receivables, and any other financial asset not excluded from the scope that have the contractual right to receive cash. The Update replaces the incurred loss impairment methodology, which generally only considered past events and current conditions, with a methodology that reflects the expected credit losses and required consideration of a broader range of reasonable and supportable information to estimate all expected credit losses. The Update additionally addresses purchased assets and introduces the purchased financial asset with a more-than-insignificant amount of credit deterioration since origination ("PCD"). The accounting for these PCD assets is similar to the existing accounting guidance of FASB Accounting Standards Codification ("ASC") 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality, for purchased credit impaired ("PCI") assets, except the subsequent improvements in estimated cash flows will be immediately recognized into income, similar to the immediate recognition of subsequent deteriorations in cash flows. Current guidance only allows for the prospective recognition of these cash flow improvements. Because the terminology has been changed to a "more-than-insignificant" amount of credit deterioration, the presumption is that more assets might qualify for this accounting under the Update than those under current guidance. For public business entities, the Update is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years with early adoption permitted for fiscal years after December 15, 2018. An entity will apply the amendments through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is adopted. A prospective transition approach is required for debt securities. An entity that has previously applied the guidance of ASC 310-30 will prospectively apply the guidance in this Update for PCD assets. A prospective transition approach should be used for PCD assets where upon adoption, the amortized cost basis should be adjusted to reflect the addition of the allowance for credit losses. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-15, Statement of Cash Flows (Topic 213): Classification of Certain Cash Receipts and Cash Payments, was issued in August 2016. The Update addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. For public business entities, the guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is permitted and must be applied using a retrospective transitional method to each period presented. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

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Investment Securities

9 Months Ended

Sep. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

The Company’s investment policy is designed primarily to provide and maintain liquidity, generate a favorable return on assets without incurring undue interest rate and credit risk, and complement the Bank’s lending activities. Securities are classified as either available for sale or held to maturity when acquired. During the year ended December 31, 2015, the Company transferred all of its investment securities previously classified as held to maturity to available for sale. As a result of the transfer and subsequent sales, the Company believes its held to maturity classification process has been compromised and careful evaluation and analysis will be required going forward in determining when circumstances are suitable for management to assert with a sufficient degree of credibility that it has the intent and ability to hold investments to maturity.

(a) Securities by Type and Maturity

The amortized cost, gross unrealized gains, gross unrealized losses and fair values of investment securities available for sale at the dates indicated were as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
September 30, 2016
U.S. Treasury and U.S. Government-sponsored agencies	$	5,565	$	29	$	—		$	5,594
Municipal securities	236,913		9,169		(378		)	245,704
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	337,689		5,340		(272		)	342,757
Commercial	194,666		3,276		(105		)	197,837
Collateralized loan obligations	14,032		9		(52		)	13,989
Corporate obligations	13,201		7		(25		)	13,183
Other equities	45		50		—			95
Total	$	802,111	$	17,880	$	(832	)	$	819,159
December 31, 2015
U.S. Treasury and U.S. Government-sponsored agencies	$	35,618	$	145	$	(186	)	$	35,577
Municipal securities	216,352		4,826		(185		)	220,993
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	351,606		1,749		(1,331		)	352,024
Commercial	179,797		343		(1,129		)	179,011
Collateralized loan obligations	15,251		—		(154		)	15,097
Corporate obligations	9,252		—		(139		)	9,113
Other equities	45		9		—			54
Total	$	807,921	$	7,072	$	(3,124	)	$	811,869

⁽¹⁾ U.S. Government-sponsored agencies.

There were no securities classified as trading or held to maturity at September 30, 2016 or December 31, 2015.

The amortized cost and fair value of investment securities available for sale at September 30, 2016, by contractual maturity, are set forth below. Actual maturities may differ from contractual maturities because certain borrowers have the right to call or prepay obligations with or without call or prepayment penalties.

	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	3,564	$	3,578
Due after one year through five years	121,014		123,124
Due after five years through ten years	232,087		237,820
Due after ten years	445,401		454,542
Investment securities with no stated maturities	45		95
Total	$	802,111	$	819,159

(b) Unrealized Losses and Other-Than-Temporary Impairments

The following table shows the gross unrealized losses and fair value of the Company's investment securities available for sale that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that the individual securities have been in continuous unrealized loss positions as of September 30, 2016 and December 31, 2015 were as follows:

	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(In thousands)
September 30, 2016
Municipal securities	$	22,030	$	(378	)	$	—	$	—		$	22,030	$	(378	)
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	27,459		(128		)	17,416		(144		)	44,875		(272		)
Commercial	38,378		(79		)	8,240		(26		)	46,618		(105		)
Collateralized loan obligations	—		—			11,130		(52		)	11,130		(52		)
Corporate obligations	6,021		(21		)	4,022		(4		)	10,043		(25		)
Total	$	93,888	$	(606	)	$	40,808	$	(226	)	$	134,696	$	(832	)
December 31, 2015
U.S. Treasury and U.S. Government-sponsored agencies	$	30,381	$	(186	)	$	—	$	—		$	30,381	$	(186	)
Municipal securities	21,929		(174		)	2,068		(11		)	23,997		(185		)
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	173,959		(870		)	39,891		(461		)	213,850		(1,331		)
Commercial	79,103		(1,117		)	4,047		(12		)	83,150		(1,129		)
Collateralized loan obligations	15,097		(154		)	—		—			15,097		(154		)
Corporate obligations	8,134		(110		)	979		(29		)	9,113		(139		)
Total	$	328,603	$	(2,611	)	$	46,985	$	(513	)	$	375,588	$	(3,124	)

⁽¹⁾ U.S. Government-sponsored agencies.

The Company has evaluated these investment securities available for sale as of September 30, 2016 and December 31, 2015 and has determined that the decline in their value is temporary. The unrealized losses are primarily due to increases in market interest rates. The fair value of these securities is expected to recover as the securities approach their maturity date. None of the underlying bonds of the municipal securities had credit ratings that were below investment grade levels at September 30, 2016 or December 31, 2015. The Company has the ability and intent to hold the investments until recovery of the securities' amortized cost which may be the maturity date of the securities.

All of the other-than-temporary impairment experienced by the Company in historical periods has been related to its portfolio of private-residential collateralized mortgage obligations. As there were no private-residential collateralized mortgage obligations at September 30, 2016 and December 31, 2015, the Company did not perform an other-than-temporary impairment analysis for the three and nine months ended September 30, 2016 on these securities. For the three and nine months ended September 30, 2015, there were no investment securities held to maturity determined to be other-than-temporarily impaired and the Company recorded no unrealized losses for the three and nine months ended September 30, 2015 in earnings or other comprehensive income. To analyze the unrealized losses, the Company estimated expected future cash flows of the investments by estimating the expected future cash flows of the underlying collateral and applying those collateral cash flows, together with any credit enhancements such as subordinated interests owned by third parties, to the security. The expected future cash flows of the underlying collateral were determined using the remaining contractual cash flows adjusted for future expected credit losses (which considers current delinquencies and nonperforming assets, future expected default rates and collateral value by vintage and geographic region) and prepayments. The expected cash flows of the security were then discounted at the interest rate used to recognize interest income on the security to arrive at a present value amount. The Company did not use any impairment assumptions as of September 30, 2015 as the unrealized losses were insignificant.

(c) Pledged Securities

The following table summarizes the amortized cost and fair value of investment securities available for sale that are pledged as collateral for the following obligations at September 30, 2016 and December 31, 2015:

	September 30, 2016				December 31, 2015
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Washington and Oregon state to secure public deposits	$	220,203	$	226,536	$	212,325	$	215,284
Federal Reserve Bank of San Francisco and Federal Home Loan Bank to secure borrowing arrangements	—		—		506		506
Repurchase agreements	25,934		26,312		28,500		28,503
Other securities pledged	3,590		3,683		2,125		2,160
Total	$	249,727	$	256,531	$	243,456	$	246,453

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Loans Receivable

9 Months Ended

Sep. 30, 2016

Loans and Leases Receivable Disclosure [Abstract]

Loans Receivable

Loans Receivable

The Company originates loans in the ordinary course of business and has also acquired loans through FDIC-assisted and open bank transactions. Loans acquired in a business combination may be further classified as “purchased” loans. Loans purchased with evidence of credit deterioration since origination for which it is probable that not all contractually required payments will be collected are accounted for under FASB ASC310-30. These loans are identified as PCI, or purchased credit impaired loans. Loans purchased that are not accounted for under FASB ASC 310-30 are accounted for under FASB ASC 310-20, Receivables—Nonrefundable Fees and Other Costs, and are referred to as "non-PCI" loans.

Disclosures related to the Company's recorded investment in loans receivable generally exclude accrued interest receivable and net deferred loan origination fees and costs because they are insignificant.

(a) Loan Origination/Risk Management

The Company categorizes loans in one of the four segments of the total loan portfolio: commercial business, one-to-four family residential, real estate construction and land development and consumer. Within these segments are classes of loans for which management monitors and assesses credit risk in the loan portfolios. The Company has certain lending policies and procedures in place that are designed to maximize loan income within an acceptable level of risk. Management reviews and approves these policies and procedures on a regular basis. A reporting system supplements the review process by providing management with frequent reports related to loan production, loan quality, concentrations of credit, loan delinquencies, and nonperforming and potential problem loans. The Company also conducts internal loan reviews and validates the credit risk assessment on a periodic basis and presents the results of these reviews to management. The loan review process complements and reinforces the risk identification and assessment decisions made by loan officers and credit personnel, as well as the Company’s policies and procedures.

A discussion of the risk characteristics of each loan portfolio segment is as follows:

Commercial Business:

There are three significant classes of loans in the commercial portfolio segment: commercial and industrial loans, owner-occupied commercial real estate and non-owner occupied commercial real estate. The owner and non-owner occupied commercial real estate are both considered commercial real estate loans. As the commercial and industrial loans carry different risk characteristics than the commercial real estate loans, they are discussed separately below.

Commercial and industrial. Commercial and industrial loans are primarily made based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. The cash flows of borrowers, however, may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial and industrial loans are secured by the assets being financed or other business assets such as accounts receivable or inventory and may include a personal guarantee; however, some short-term loans may be made on an unsecured basis. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.

Commercial real estate. The Company originates commercial real estate loans within its primary market areas. These loans are subject to underwriting standards and processes similar to commercial and industrial loans, in addition to those of real estate loans. These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Commercial real estate involves more risk than other classes of loans in that the lending typically involves higher loan principal amounts, and payments on loans secured by real estate properties are dependent on successful operation and management of the properties. Repayment of these loans may be more adversely affected by conditions in the real estate market or the economy. Owner-occupied commercial real estate loans are generally of lower credit risk than non-owner occupied commercial real estate loans as the borrowers' businesses are likely dependent on the properties.

One-to-Four Family Residential:

The majority of the Company’s one-to-four family residential loans are secured by single-family residences located in its primary market areas. The Company’s underwriting standards require that single-family portfolio loans generally are owner-occupied and do not exceed 80% of the lower of appraised value at origination or cost of the underlying collateral. Terms of maturity typically range from 15 to 30 years. Historically, the Company sold most single-family loans in the secondary market and retained a smaller portion in its loan portfolio. From the second quarter of 2013 until May 1, 2014, the Company only originated single-family loans for its loan portfolio. As a result of the Washington Banking Merger, since May 1, 2014 the Company has been originating and selling a majority of its single-family mortgages.

Real Estate Construction and Land Development:

The Company originates construction loans for one-to-four family residential and for five or more family residential and commercial properties. The one-to-four family residential construction loans generally include construction of custom homes whereby the home buyer is the borrower. The Company also provides financing to builders for the construction of pre-sold homes and, in selected cases, to builders for the construction of speculative residential property. Substantially all construction loans are short-term in nature and priced with variable rates of interest. Construction lending can involve a higher level of risk than other types of lending because funds are advanced partially based upon the value of the project, which is uncertain prior to the project’s completion. Because of the uncertainties inherent in estimating construction costs as well as the market value of a completed project and the effects of governmental regulation of real property, the Company’s estimates with regard to the total funds required to complete a project and the related loan-to-value ratio may vary from actual results. As a result, construction loans often involve the disbursement of substantial funds with repayment dependent, in part, on the success of the ultimate project and the ability of the borrower to sell or lease the property or refinance the indebtedness. If the Company’s estimate of the value of a project at completion proves to be overstated, it may have inadequate security for repayment of the loan and may incur a loss if the borrower does not repay the loan. Sources of repayment for these types of loans may be pre-committed permanent loans from approved long-term lenders, sales of developed property or an interim loan commitment from the Company until permanent financing is obtained. These loans are closely monitored by on-site inspections and are considered to have higher risks than other real estate loans due to their ultimate repayment being dependent upon successful completion of the construction project, interest rate changes, government regulation of real property, general economic conditions and the availability of long-term financing.

Consumer:

The Company originates consumer loans and lines of credit that are both secured and unsecured. The underwriting process for these loans ensures a qualifying primary and secondary source of repayment. Underwriting standards for home equity loans are significantly influenced by statutory requirements, which include, but are not limited to, a maximum loan-to-value percentage of 80%, collection remedies, the number of such loans a borrower can have at one time and documentation requirements. To monitor and manage consumer loan risk, policies and procedures are developed and modified, as needed. The majority of consumer loans are for relatively small amounts disbursed among many individual borrowers which reduces the credit risk for this type of loan. To further reduce the risk, trend reports are reviewed by management on a regular basis.

As a result of the Washington Banking Merger, the Company is originating indirect consumer loans. These loans are for new and used automobile and recreational vehicles that are originated indirectly by selected dealers located in the Company's market areas. The Company has limited its purchase of indirect loans primarily to dealerships that are established and well known in their market areas and to applicants that are not classified as sub-prime.

Loans receivable at September 30, 2016 and December 31, 2015 consisted of the following portfolio segments and classes:

	September 30, 2016			December 31, 2015
	(In thousands)
Commercial business:
Commercial and industrial	$	638,082		$	596,726
Owner-occupied commercial real estate	578,147			572,609
Non-owner occupied commercial real estate	802,502			753,986
Total commercial business	2,018,731			1,923,321
One-to-four family residential	78,253			72,548
Real estate construction and land development:
One-to-four family residential	52,052			51,752
Five or more family residential and commercial properties	97,108			55,325
Total real estate construction and land development	149,160			107,077
Consumer	330,933			298,167
Gross loans receivable	2,577,077			2,401,113
Net deferred loan costs	1,900			929
Loans receivable, net	2,578,977			2,402,042
Allowance for loan losses	(30,211		)	(29,746		)
Total loans receivable, net	$	2,548,766		$	2,372,296

(b) Concentrations of Credit

Most of the Company’s lending activity occurs within Washington State, and to a lesser extent Oregon. The Company’s primary market areas are concentrated along the I-5 corridor from Whatcom County to Clark County in Washington State and Multnomah County in Oregon, as well as other contiguous markets. The majority of the Company’s loan portfolio consists of, in order of balances at September 30, 2016, non-owner occupied commercial real estate, commercial and industrial and owner-occupied commercial real estate. As of September 30, 2016 and December 31, 2015, there were no concentrations of loans related to any single industry in excess of 10% of the Company’s total loans.

(c) Credit Quality Indicators

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management tracks certain credit quality indicators including trends related to (i) the risk grade of the loans, (ii) the level of classified loans, (iii) net charge-offs, (iv) nonperforming loans, and (v) the general economic conditions of the United States of America, and specifically the states of Washington and Oregon. The Company utilizes a risk grading matrix to assign a risk grade to each of its loans. Loans are graded on a scale of 1 to 10. A description of the general characteristics of the risk grades is as follows:

• Grades 1 to 5: These grades are considered “pass grade” and include loans with negligible to above average but acceptable risk. These borrowers generally have strong to acceptable capital levels and consistent earnings and debt service capacity. Loans with the higher grades within the “pass” category may include borrowers who are experiencing unusual operating difficulties, but have acceptable payment performance to date. Increased monitoring of financial information and/or collateral may be appropriate. Loans with this grade show no immediate loss exposure.

• Grade 6: This grade includes "Watch" loans and is considered a “pass grade”. The grade is intended to be utilized on a temporary basis for pass grade borrowers where a potentially significant risk-modifying action is anticipated in the near term.

• Grade 7: This grade includes “Other Assets Especially Mentioned” (“OAEM”) loans in accordance with regulatory guidelines, and is intended to highlight loans with elevated risks. Loans with this grade show signs of deteriorating profits and capital, and the borrower might not be strong enough to sustain a major setback. The borrower is typically higher than normally leveraged, and outside support might be modest and likely illiquid. The loan is at risk of further decline unless active measures are taken to correct the situation.

• Grade 8: This grade includes “Substandard” loans in accordance with regulatory guidelines, which the Company has determined have a high credit risk. These loans also have well-defined weaknesses which make payment default or principal exposure likely, but not yet certain. The borrower may have shown serious negative trends in financial ratios and performance. Such loans may be dependent upon collateral liquidation, a secondary source of repayment or an event outside of the normal course of business. Loans with this grade can be placed on accrual or nonaccrual status based on the Company’s accrual policy.

• Grade 9: This grade includes “Doubtful” loans in accordance with regulatory guidelines, and the Company has determined these loans to have excessive credit risk. Such loans are placed on nonaccrual status and may be dependent upon collateral having a value that is difficult to determine or upon some near-term event which lacks certainty. Additionally, these loans generally have a specific valuation allowance or have been partially charged-off for the amount considered uncollectible.

• Grade 10: This grade includes “Loss” loans in accordance with regulatory guidelines, and the Company has determined these loans have the highest risk of loss. Such loans are charged-off or charged-down when payment is acknowledged to be uncertain or when the timing or value of payments cannot be determined. “Loss” is not intended to imply that the loan or some portion of it will never be paid, nor does it in any way imply that there has been a forgiveness of debt.

Numerical loan grades for loans are established at the origination of the loan. Loan grades are reviewed on a quarterly basis, or more frequently if necessary, by the credit department. The Bank follows the FDIC’s Uniform Retail Credit Classification and Account Management Policy for subsequent classification in the event of payment delinquencies or default. Typically, an individual loan grade will not be changed from the prior period unless there is a specific indication of credit deterioration or improvement. Credit deterioration is evidenced by delinquency, direct communications with the borrower, or other borrower information that becomes known to management. Credit improvements are evidenced by known facts regarding the borrower or the collateral property.

The loan grades relate to the likelihood of losses in that the higher the grade, the greater the loss potential. Loans with a pass grade may have some estimated inherent losses, but to a lesser extent than the other loan grades. The OAEM loan grade is transitory in that the Company is waiting on additional information to determine the likelihood and extent of the potential loss. The likelihood of loss for OAEM graded loans, however, is greater than Watch graded loans because there has been measurable credit deterioration. Loans with a Substandard grade are generally loans for which the Company has individually analyzed for potential impairment. For Doubtful and Loss graded loans, the Company is almost certain of the losses, and the outstanding principal balances are generally charged-off to the realizable value.

The following tables present the balance of the loans receivable by credit quality indicator as of September 30, 2016 and December 31, 2015.

	September 30, 2016
	Pass		OAEM		Substandard		Doubtful		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	599,694	$	5,952	$	32,376	$	60	$	638,082
Owner-occupied commercial real estate	550,065		6,412		21,413		257		578,147
Non-owner occupied commercial real estate	759,097		15,799		27,606		—		802,502
Total commercial business	1,908,856		28,163		81,395		317		2,018,731
One-to-four family residential	76,735		—		1,518		—		78,253
Real estate construction and land development:
One-to-four family residential	45,287		824		5,941		—		52,052
Five or more family residential and commercial properties	92,562		1,004		3,542		—		97,108
Total real estate construction and land development	137,849		1,828		9,483		—		149,160
Consumer	325,832		54		5,047		—		330,933
Gross loans receivable	$	2,449,272	$	30,045	$	97,443	$	317	$	2,577,077

	December 31, 2015
	Pass		OAEM		Substandard		Doubtful		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	563,002	$	8,093	$	25,333	$	298	$	596,726
Owner-occupied commercial real estate	544,429		11,662		16,260		258		572,609
Non-owner occupied commercial real estate	699,759		23,447		30,780		—		753,986
Total commercial business	1,807,190		43,202		72,373		556		1,923,321
One-to-four family residential	71,457		—		1,091		—		72,548
Real estate construction and land development:
One-to-four family residential	44,069		896		6,787		—		51,752
Five or more family residential and commercial properties	50,678		—		4,647		—		55,325
Total real estate construction and land development	94,747		896		11,434		—		107,077
Consumer	291,892		—		6,275		—		298,167
Gross loans receivable	$	2,265,286	$	44,098	$	91,173	$	556	$	2,401,113

Potential problem loans are loans classified as OAEM or worse that are currently accruing interest and are not considered impaired, but which management is monitoring because the financial information of the borrower causes concern as to their ability to meet their loan repayment terms. Potential problem loans may include PCI loans as these loans continue to accrete loan discounts established at acquisition based on the guidance of FASB ASC 310-30. Potential problem loans as of September 30, 2016 and December 31, 2015 were $101.0 million and $110.4 million, respectively. The balance of potential problem loans guaranteed by a governmental agency, which guarantee reduces the Company's credit exposure, was $2.2 million and $3.0 million as of September 30, 2016 and December 31, 2015, respectively.

(d) Nonaccrual Loans

Nonaccrual loans, segregated by segments and classes of loans, were as follows as of September 30, 2016 and December 31, 2015:

	September 30, 2016		December 31, 2015
	(In thousands)
Commercial business:
Commercial and industrial	$	3,849	$	5,095
Owner-occupied commercial real estate	2,984		2,027
Non-owner occupied commercial real estate	1,983		—
Total commercial business	8,816		7,122
One-to-four family residential	35		38
Real estate construction and land development:
One-to-four family residential	2,008		2,414
Five or more family residential and commercial properties	—		—
Total real estate construction and land development	2,008		2,414
Consumer	681		94
Nonaccrual loans	$	11,540	$	9,668

The Company had $3.0 million and $1.3 million of nonaccrual loans guaranteed by governmental agencies at September 30, 2016 and December 31, 2015, respectively.

PCI loans are not included in the nonaccrual loan table above because these loans are accounted for under FASB ASC 310-30, which provides that accretable yield is calculated based on a loan's expected cash flow even if the loan is not performing under its contractual terms.

(e) Past due loans

The Company performs an aging analysis of past due loans using the categories of 30-89 days past due and 90 or more days past due. This policy is consistent with regulatory reporting requirements.

The balances of past due loans, segregated by segments and classes of loans, as of September 30, 2016 and December 31, 2015 were as follows:

	September 30, 2016
	30-89 Days		90 Days or Greater		Total Past  Due		Current		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	587	$	1,165	$	1,752	$	636,330	$	638,082
Owner-occupied commercial real estate	2,063		1,871		3,934		574,213		578,147
Non-owner occupied commercial real estate	759		1,983		2,742		799,760		802,502
Total commercial business	3,409		5,019		8,428		2,010,303		2,018,731
One-to-four family residential	112		—		112		78,141		78,253
Real estate construction and land development:
One-to-four family residential	—		865		865		51,187		52,052
Five or more family residential and commercial properties	459		—		459		96,649		97,108
Total real estate construction and land development	459		865		1,324		147,836		149,160
Consumer	1,407		620		2,027		328,906		330,933
Gross loans receivable	$	5,387	$	6,504	$	11,891	$	2,565,186	$	2,577,077

	December 31, 2015
	30-89 Days		90 Days or Greater		Total Past  Due		Current		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	2,900	$	2,679	$	5,579	$	591,147	$	596,726
Owner-occupied commercial real estate	2,240		2,609		4,849		567,760		572,609
Non-owner occupied commercial real estate	2,177		184		2,361		751,625		753,986
Total commercial business	7,317		5,472		12,789		1,910,532		1,923,321
One-to-four family residential	490		—		490		72,058		72,548
Real estate construction and land development:
One-to-four family residential	—		2,392		2,392		49,360		51,752
Five or more family residential and commercial properties	118		42		160		55,165		55,325
Total real estate construction and land development	118		2,434		2,552		104,525		107,077
Consumer	3,029		202		3,231		294,936		298,167
Gross loans receivable	$	10,954	$	8,108	$	19,062	$	2,382,051	$	2,401,113

There were no loans 90 days or more past due that were still accruing interest as of September 30, 2016 or December 31, 2015, excluding PCI loans.

(f) Impaired loans

Impaired loans include nonaccrual loans and performing troubled debt restructured ("TDR") loans. The balances of impaired loans as of September 30, 2016 and December 31, 2015 are set forth in the following tables.

	September 30, 2016
	Recorded Investment With No Specific Valuation Allowance		Recorded Investment With Specific Valuation Allowance		Total Recorded Investment		Unpaid Contractual Principal Balance		Related Specific Valuation Allowance
	(In thousands)
Commercial business:
Commercial and industrial	$	2,544	$	6,320	$	8,864	$	9,470	$	907
Owner-occupied commercial real estate	847		3,723		4,570		4,927		458
Non-owner occupied commercial real estate	5,595		6,464		12,059		12,113		832
Total commercial business	8,986		16,507		25,493		26,510		2,197
One-to-four family residential	—		263		263		266		81
Real estate construction and land development:
One-to-four family residential	2,310		829		3,139		3,824		4
Five or more family residential and commercial properties	—		1,606		1,606		1,606		176
Total real estate construction and land development	2,310		2,435		4,745		5,430		180
Consumer	576		191		767		1,028		49
Total	$	11,872	$	19,396	$	31,268	$	33,234	$	2,507

	December 31, 2015
	Recorded Investment With No Specific Valuation Allowance		Recorded Investment With Specific Valuation Allowance		Total Recorded Investment		Unpaid Contractual Principal Balance		Related Specific Valuation Allowance
	(In thousands)
Commercial business:
Commercial and industrial	$	872	$	8,769	$	9,641	$	11,368	$	1,173
Owner-occupied commercial real estate	—		4,295		4,295		4,342		809
Non-owner occupied commercial real estate	3,696		6,834		10,530		10,539		943
Total commercial business	4,568		19,898		24,466		26,249		2,925
One-to-four family residential	—		275		275		276		85
Real estate construction and land development:
One-to-four family residential	1,403		2,065		3,468		4,089		66
Five or more family residential and commercial properties	—		1,960		1,960		1,960		203
Total real estate construction and land development	1,403		4,025		5,428		6,049		269
Consumer	48		145		193		200		29
Total	$	6,019	$	24,343	$	30,362	$	32,774	$	3,308

The Company had governmental guarantees of $3.7 million and $1.8 million related to the impaired loan balances at September 30, 2016 and December 31, 2015, respectively.

The average recorded investment of impaired loans for the three and nine months ended September 30, 2016 and 2015 are set forth in the following table.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(In thousands)
Commercial business:
Commercial and industrial	$	9,625	$	8,692	$	9,750	$	10,776
Owner-occupied commercial real estate	4,553		4,882		4,560		4,151
Non-owner occupied commercial real estate	12,107		10,256		12,232		8,893
Total commercial business	26,285		23,830		26,542		23,820
One-to-four family residential	265		259		267		315
Real estate construction and land development:
One-to-four family residential	3,177		3,639		3,253		4,312
Five or more family residential and commercial properties	1,619		1,997		1,746		2,032
Total real estate construction and land development	4,796		5,636		4,999		6,344
Consumer	885		159		907		329
Total	$	32,231	$	29,884	$	32,715	$	30,808

For the three and nine months ended September 30, 2016 and 2015, no interest income was recognized subsequent to a loan’s classification as nonaccrual. For the three and nine months ended September 30, 2016, the Bank recorded $156,000 and $501,000, respectively, of interest income related to performing TDR loans. For the three and nine months ended September 30, 2015, the Bank recorded $278,000 and $905,000, respectively, of interest income related to performing TDR loans.

(g) Troubled Debt Restructured Loans

A TDR loan is a restructuring in which the Bank, for economic or legal reasons related to a borrower’s financial difficulties, grants a concession to the borrower that it would not otherwise consider. TDRs are considered impaired and are separately measured for impairment under FASB ASC 310-10-35, whether on accrual ("performing") or nonaccrual ("nonperforming") status. The Company has more stringent definitions of concessions and impairment measures for PCI loans as these loans have known credit deterioration and are generally accreting income at a lower discounted rate as compared to the contractual note rate based on the guidance of FASB ASC 310-30.

The majority of the Bank’s TDR loans are a result of granting extensions of maturity on troubled credits which have already been adversely classified. The Bank grants such extensions to reassess the borrower’s financial status and to develop a plan for repayment. The second most prevalent concessions are certain modifications with extensions that also include interest rate reductions. Certain TDRs were additionally re-amortized over a longer period of time. These modifications would all be considered a concession for a borrower that could not obtain similar financing terms from another source other than from the Bank.

The financial effects of each modification will vary based on the specific restructure. For the majority of the Bank’s TDRs, the loans were interest-only with a balloon payment at maturity. If the interest rate is not adjusted and the modified terms are consistent with other similar credits being offered, the Bank may not experience any loss associated with the restructure. If, however, the restructure involves forbearance agreements or interest rate modifications, the Bank may not collect all the principal and interest based on the original contractual terms. The Bank estimates the necessary allowance for loan losses on TDRs using the same guidance as used for other impaired loans.

The recorded investment balance and related allowance for loan losses of performing and nonaccrual TDR loans as of September 30, 2016 and December 31, 2015 were as follows:

	September 30, 2016				December 31, 2015
	Performing TDRs		Nonaccrual TDRs		Performing TDRs		Nonaccrual TDRs
	(In thousands)
TDR loans	$	19,728	$	5,073	$	20,695	$	6,301
Allowance for loan losses on TDR loans	1,833		450		2,069		679

The unfunded commitment to borrowers related to TDRs was $269,000 and $551,000 at September 30, 2016 and December 31, 2015, respectively.

Loans that were modified as TDRs during the three and nine months ended September 30, 2016 and 2015 are set forth in the following tables:

	Three Months Ended September 30,
	2016			2015
	Number of Contracts (1)	Outstanding Principal Balance  (1)(2)		Number of Contracts (1)	Outstanding Principal Balance  (1)(2)
	(Dollars in thousands)
Commercial business:
Commercial and industrial	8	$	2,324	10	$	3,598
Owner-occupied commercial real estate	2	576		2	1,102
Non-owner occupied commercial real estate	1	818		1	1,082
Total commercial business	11	3,718		13	5,782
Real estate construction and land development:
One-to-four family residential	5	2,274		2	1,087
Five or more family residential and commercial properties	1	1,606		0	—
Total real estate construction and land development	6	3,880		2	1,087
Consumer	2	26		—	—
Total TDR loans	19	$	7,624	15	$	6,869

	Nine Months Ended September 30,
	2016			2015
	Number of Contracts (1)	Outstanding Principal Balance  (1)(2)		Number of Contracts (1)	Outstanding Principal Balance  (1)(2)
	(Dollars in thousands)
Commercial business:
Commercial and industrial	15	$	2,915	29	$	6,443
Owner-occupied commercial real estate	2	576		7	2,201
Non-owner occupied commercial real estate	1	818		6	15,634
Total commercial business	18	4,309		42	24,278
Real estate construction and land development:
One-to-four family residential	5	2,274		6	2,681
Five or more family residential and commercial properties	1	1,606		1	415
Total real estate construction and land development	6	3,880		7	3,096
Consumer	6	70		2	144
Total TDR loans	30	$	8,259	51	$	27,518

(1) Number of contracts and outstanding principal balance represent loans which have balances as of period end as certain loans may have been paid-down or charged-off during the three and nine months ended September 30, 2016 and 2015.

(2) Includes subsequent payments after modifications and reflects the balance as of period end. As the Bank did not forgive any principal or interest balance as part of the loan modification, the Bank’s recorded investment in each loan at the date of modification (pre-modification) did not change as a result of the modification (post-modification).

Of the 19 loans modified during the three months ended September 30, 2016, eight loans with a total outstanding principal balance of $1.4 million had no prior modifications. Of the 30 loans modified during the nine months ended September 30, 2016, 15 loans with a total outstanding principal balance of $1.7 million had no prior modifications. Of the 15 loans modified during the three months ended September 30, 2015, six loans with a total outstanding principal balance of $2.3 million had no prior modifications. Of the 51 loans modified during the nine months ended September 30, 2015, 27 loans with a total outstanding principal balance of $8.8 million had no prior modifications. The remaining loans included in the tables above for the three and nine months ended September 30, 2016 and 2015 were previously reported as TDRs. The Bank typically grants shorter extension periods to continually monitor these troubled credits despite that the extended date may not be when cash flows from these troubled credits are expected. The Company does not consider these modifications a subsequent default of a TDR as new loan terms, specifically new maturity dates, were granted. The potential losses related to these loans would have been considered in the period the loan was first reported as a TDR and adjusted, as necessary, in the current period based on more recent information. The related specific valuation allowance at September 30, 2016 was $639,000 for loans that were modified as TDRs during the nine months ended September 30, 2016.

There were no loans that were modified during the previous twelve months that subsequently defaulted during the three and nine months ended September 30, 2016. There was one commercial and industrial loan totaling $98,000 at September 30, 2015 that was modified during the previous twelve months that subsequently defaulted during the three months ended September 30, 2015 because the borrower was 90 days delinquent on his scheduled payment. There was one commercial and industrial loan of $1.8 million at September 30, 2015 that was modified during the previous twelve months and subsequently defaulted during the nine months ended September 30, 2015 because the borrower did not make the specific curtailment payments on the loan in prior periods, but for which the required payment was made during the three months ended September 30, 2015.

(h) Purchased Credit Impaired Loans

The Company acquired loans and designated them as PCI loans, which are accounted for under FASB ASC 310-30, in the Washington Banking Merger on May 1, 2014 and in previously completed acquisitions, including the acquisitions of Northwest Commercial Bank ("NCB") on January 9, 2013 and Valley Community Bancshares, Inc. ("Valley") on July 15, 2013 and the FDIC-assisted acquisitions of Cowlitz Bank ("Cowlitz") and Pierce Commercial Bank ("Pierce") on July 30, 2010 and November 8, 2010, respectively.

The following table reflects the outstanding principal balance and recorded investment of the PCI loans at September 30, 2016 and December 31, 2015:

	September 30, 2016				December 31, 2015
	Outstanding Principal		Recorded Investment		Outstanding Principal		Recorded Investment
	(In thousands)
Commercial business:
Commercial and industrial	$	14,931	$	10,801	$	20,110	$	16,986
Owner-occupied commercial real estate	19,218		17,404		24,730		22,313
Non-owner occupied commercial real estate	25,425		23,680		30,685		27,774
Total commercial business	59,574		51,885		75,525		67,073
One-to-four family residential	5,168		4,936		5,707		5,392
Real estate construction and land development:
One-to-four family residential	3,036		2,157		6,904		4,121
Five or more family residential and commercial properties	2,648		2,536		3,071		3,207
Total real estate construction and land development	5,684		4,693		9,975		7,328
Consumer	5,536		6,457		6,720		7,126
Gross PCI loans	$	75,962	$	67,971	$	97,927	$	86,919

On the acquisition dates, the amount by which the undiscounted expected cash flows of the PCI loans exceeded the estimated fair value of the loan is the “accretable yield.” The accretable yield is then measured at each financial reporting date and represents the difference between the remaining undiscounted expected cash flows and the current carrying value of the PCI loans.

The following table summarizes the accretable yield on the PCI loans for the three and nine months ended September 30, 2016 and 2015.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Balance at the beginning of the period	$	15,359		$	18,731		$	17,592		$	21,092
Accretion	(1,178		)	(1,661		)	(3,900		)	(5,399		)
Disposal and other	(491		)	22			(2,921		)	(2,382		)
Change in accretable yield	1,214			1,586			4,133			5,367
Balance at the end of the period	$	14,904		$	18,678		$	14,904		$	18,678

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Allowance for Loan Losses

9 Months Ended

Sep. 30, 2016

Receivables [Abstract]

Allowance for Loan Losses

Allowance for Loan Losses

The allowance for loan losses is maintained at a level deemed appropriate by management to provide for probable incurred credit losses in the loan portfolio. The methodology for calculating the allowance for loan losses is completed on loans originated by the Bank and on loans purchased in mergers and acquisitions. The FDIC shared-loss agreements for loans purchased in mergers and acquisitions were terminated on August 4, 2015. Prior to their termination, when a credit deterioration occurred, subsequent to the acquisition, on a loan that was covered by the FDIC shared-loss agreements, a provision for loan losses was charged to earnings for the full amount of the impairment, without regard to the coverage of the FDIC shared-loss agreements.

The following tables detail the activity in the allowance for loan losses disaggregated by segment and class for the three and nine months ended September 30, 2016:

	Balance at Beginning of Period		Charge-offs			Recoveries		Provision for Loan Losses			Balance at End of Period
	(In thousands)
Three Months Ended September 30, 2016
Commercial business:
Commercial and industrial	$	9,970	$	(240	)	$	993	$	182		$	10,905
Owner-occupied commercial real estate	3,578		(88		)	—		222			3,712
Non-owner occupied commercial real estate	6,924		—			—		303			7,227
Total commercial business	20,472		(328		)	993		707			21,844
One-to-four family residential	950		—			—		26			976
Real estate construction and land development:
One-to-four family residential	754		—			—		96			850
Five or more family residential and commercial properties	1,277		—			—		5			1,282
Total real estate construction and land development	2,031		—			—		101			2,132
Consumer	4,816		(572		)	197		665			5,106
Unallocated	157		—			—		(4		)	153
Total	$	28,426	$	(900	)	$	1,190	$	1,495		$	30,211
Nine Months Ended September 30, 2016
Commercial business:
Commercial and industrial	$	9,972	$	(2,810	)	$	1,352	$	2,391		$	10,905
Owner-occupied commercial real estate	4,370		(538		)	—		(120		)	3,712
Non-owner occupied commercial real estate	7,722		(350		)	—		(145		)	7,227
Total commercial business	22,064		(3,698		)	1,352		2,126			21,844
One-to-four family residential	1,157		—			2		(183		)	976
Real estate construction and land development:
One-to-four family residential	1,058		(100		)	83		(191		)	850
Five or more family residential and commercial properties	813		(54		)	—		523			1,282
Total real estate construction and land development	1,871		(154		)	83		332			2,132
Consumer	4,309		(1,370		)	496		1,671			5,106
Unallocated	345		—			—		(192		)	153
Total	$	29,746	$	(5,222	)	$	1,933	$	3,754		$	30,211

The following table details the balance in the allowance for loan losses disaggregated on the basis of the Company's impairment method as of September 30, 2016.

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Allowance for Loan Losses
	(In thousands)
Commercial business:
Commercial and industrial	$	907	$	8,230	$	1,768	$	10,905
Owner-occupied commercial real estate	458		1,858		1,396		3,712
Non-owner occupied commercial real estate	832		4,564		1,831		7,227
Total commercial business	2,197		14,652		4,995		21,844
One-to-four family residential	81		595		300		976
Real estate construction and land development:
One-to-four family residential	4		582		264		850
Five or more family residential and commercial properties	176		963		143		1,282
Total real estate construction and land development	180		1,545		407		2,132
Consumer	49		3,878		1,179		5,106
Unallocated	—		153		—		153
Total	$	2,507	$	20,823	$	6,881	$	30,211

The following table details the recorded investment balance of the loan receivables disaggregated on the basis of the Company’s impairment method as of September 30, 2016:

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Gross Loans Receivable
	(In thousands)
Commercial business:
Commercial and industrial	$	8,864	$	618,417	$	10,801	$	638,082
Owner-occupied commercial real estate	4,570		556,173		17,404		578,147
Non-owner occupied commercial real estate	12,059		766,763		23,680		802,502
Total commercial business	25,493		1,941,353		51,885		2,018,731
One-to-four family residential	263		73,054		4,936		78,253
Real estate construction and land development:
One-to-four family residential	3,139		46,756		2,157		52,052
Five or more family residential and commercial properties	1,606		92,966		2,536		97,108
Total real estate construction and land development	4,745		139,722		4,693		149,160
Consumer	767		323,709		6,457		330,933
Total	$	31,268	$	2,477,838	$	67,971	$	2,577,077

The following tables detail activity in the allowance for loan losses disaggregated by segment and class for the three and nine months ended September 30, 2015.

	Balance at Beginning of Period		Charge-offs			Recoveries		Provision for Loan Losses			Balance at End of Period
	(In thousands)
Three Months Ended September 30, 2015
Commercial business:
Commercial and industrial	$	9,891	$	(70	)	$	59	$	494		$	10,374
Owner-occupied commercial real estate	4,587		—			—		(296		)	4,291
Non-owner occupied commercial real estate	6,146		—			—		592			6,738
Total commercial business	20,624		(70		)	59		790			21,403
One-to-four family residential	1,271		—			12		(88		)	1,195
Real estate construction and land development:
One-to-four family residential	1,462		—			—		79			1,541
Five or more family residential and commercial properties	1,062		—			—		(20		)	1,042
Total real estate construction and land development	2,524		—			—		59			2,583
Consumer	3,167		(278		)	152		174			3,215
Unallocated	692		—			—		(84		)	608
Total	$	28,278	$	(348	)	$	223	$	851		$	29,004
Nine Months Ended September 30, 2015
Commercial business:
Commercial and industrial	$	10,553	$	(1,392	)	$	447	$	766		$	10,374
Owner-occupied commercial real estate	4,032		—			—		259			4,291
Non-owner occupied commercial real estate	5,601		(188		)	—		1,325			6,738
Total commercial business	20,186		(1,580		)	447		2,350			21,403
One-to-four family residential	1,200		—			13		(18		)	1,195
Real estate construction and land development:
One-to-four family residential	1,786		(106		)	100		(239		)	1,541
Five or more family residential and commercial properties	972		—			—		70			1,042
Total real estate construction and land development	2,758		(106		)	100		(169		)	2,583
Consumer	2,769		(1,208		)	362		1,292			3,215
Unallocated	816		—			—		(208		)	608
Total	$	27,729	$	(2,894	)	$	922	$	3,247		$	29,004

The following table details the balance in the allowance for loan losses disaggregated on the basis of the Company's impairment method as of December 31, 2015.

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Allowance for Loan Losses
	(In thousands)
Commercial business:
Commercial and industrial	$	1,173	$	6,276	$	2,523	$	9,972
Owner-occupied commercial real estate	809		1,662		1,899		4,370
Non-owner occupied commercial real estate	943		4,336		2,443		7,722
Total commercial business	2,925		12,274		6,865		22,064
One-to-four family residential	85		546		526		1,157
Real estate construction and land development:
One-to-four family residential	66		481		511		1,058
Five or more family residential and commercial properties	203		519		91		813
Total real estate construction and land development	269		1,000		602		1,871
Consumer	29		3,189		1,091		4,309
Unallocated	—		345		—		345
Total	$	3,308	$	17,354	$	9,084	$	29,746

The following table details the recorded investment balance of the loan receivables disaggregated on the basis of the Company’s impairment method as of December 31, 2015:

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Gross Loans Receivable
	(In thousands)
Commercial business:
Commercial and industrial	$	9,641	$	570,099	$	16,986	$	596,726
Owner-occupied commercial real estate	4,295		546,001		22,313		572,609
Non-owner occupied commercial real estate	10,530		715,682		27,774		753,986
Total commercial business	24,466		1,831,782		67,073		1,923,321
One-to-four family residential	275		66,881		5,392		72,548
Real estate construction and land development:
One-to-four family residential	3,468		44,163		4,121		51,752
Five or more family residential and commercial properties	1,960		50,158		3,207		55,325
Total real estate construction and land development	5,428		94,321		7,328		107,077
Consumer	193		290,848		7,126		298,167
Total	$	30,362	$	2,283,832	$	86,919	$	2,401,113

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Other Real Estate Owned

9 Months Ended

Sep. 30, 2016

Real Estate [Abstract]

Other Real Estate Owned

Other Real Estate Owned

Changes in other real estate owned during the three and nine months ended September 30, 2016 and 2015 were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Balance at the beginning of the period	$	1,560		$	3,017		$	2,019		$	3,355
Additions	25			611			677			2,424
Proceeds from dispositions	(1,716		)	(1,560		)	(2,486		)	(3,199		)
Gain (loss) on sales, net	131			3			173			(94		)
Valuation adjustment	—			—			(383		)	(415		)
Balance at the end of the period	$	—		$	2,071		$	—		$	2,071

At September 30, 2016, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process was $576,000.

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Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

(a) Goodwill

The Company’s goodwill represents the excess of the purchase price over the fair value of net assets acquired in the Washington Banking Merger on May 1, 2014, and the acquisitions of Valley on July 15, 2013, Western Washington Bancorp in 2006 and North Pacific Bank in 1998. The Company’s goodwill is assigned to the Bank and is evaluated for impairment at the Bank level (reporting unit).

There were no additions to goodwill during the three and nine months ended September 30, 2016 and 2015.

At September 30, 2016, the Company’s step-one analysis concluded that the reporting unit’s fair value was greater than its carrying value and therefore no goodwill impairment charges were required, or recorded, for the three and nine months ended September 30, 2016. Similarly, no goodwill impairment charges were required, or recorded, for the three and nine months ended September 30, 2015. Even though there was no goodwill impairment at September 30, 2016, adverse events may impact the recoverability of goodwill and could result in a future impairment charge which could have a material impact on the Company’s operating results.

b) Other Intangible Assets

The other intangible assets represent the core deposit intangible ("CDI") acquired in business combinations. The useful life of the CDI related to the Washington Banking Merger, the acquisitions of Valley, NCB, Pierce, Cowlitz, and Western Washington Bancorp were estimated to be ten, ten, five, four, nine and eight years, respectively.

The following table presents the change in the other intangible assets for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(In thousands)
Balance at the beginning of the period	$	8,091	$	9,835	$	8,789	$	10,889
Less: Amortization	359		523		1,057		1,577
Balance at the end of the period	$	7,732	$	9,312	$	7,732	$	9,312

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Other Borrowings

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Other Borrowings

Other Borrowings

(a) Federal Home Loan Bank Advances

The Federal Home Loan Bank ("FHLB") of Des Moines functions as a member-owned cooperative providing credit for member financial institutions. Advances are made pursuant to several different programs. Each credit program has its own interest rate and range of maturities. Limitations on the amount of advances are based on a percentage of the Bank's assets or on the FHLB’s assessment of the institution’s creditworthiness. At September 30, 2016, the Bank maintained a credit facility with the FHLB of Des Moines for $664.5 million and had $17.7 million of FHLB advances outstanding at a weighted average rate of 0.45%. At December 31, 2015 there were no FHLB advances outstanding.

The following table sets forth the details of FHLB advances during the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(Dollars in thousands)
Average balance during the period	$	5,618		$	—		$	11,608		$	2,267
Maximum month-end balance during the period	$	17,700		$	—		$	57,300		$	48,200
Weighted average rate during the period	0.57		%	—		%	0.54		%	0.29		%

Advances from the FHLB are collateralized by a blanket pledge on FHLB stock owned by the Bank, deposits at the FHLB, certain one-to-four single family residential loans, investment securities which are obligations of or guaranteed by the United States or other assets. In accordance with the pledge agreement, the Company must maintain unencumbered collateral in an amount equal to varying percentages ranging from 100% to 160% of outstanding advances depending on the type of collateral.

(b) Federal Funds Purchased

The Bank maintains advance lines with Wells Fargo Bank, US Bank, TIB and Pacific Coast Bankers’ Bank to purchase federal funds of up to $90.0 million as of September 30, 2016. The lines generally mature annually or are reviewed annually. As of September 30, 2016 and December 31, 2015, there were no federal funds purchased.

(c) Credit facilities

The Bank maintains a credit facility with the Federal Reserve Bank of San Francisco for $51.2 million as of September 30, 2016, of which there were no borrowings outstanding as of September 30, 2016 or December 31, 2015. Any advances on the credit facility would have to be first secured by the Bank's investment securities or loans receivable.

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Junior Subordinated Debentures

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Junior Subordinated Debentures

Junior Subordinated Debentures

As part of the Washington Banking Merger, the Company assumed trust preferred securities and junior subordinated debentures with a total fair value of $18.9 million at the May 1, 2014 merger date.

Washington Banking Master Trust ("Trust"), a Delaware statutory business trust, was a wholly-owned subsidiary of Washington Banking created for the exclusive purposes of issuing and selling capital securities and utilizing sale proceeds to acquire junior subordinated debt issued by Washington Banking. During 2007, the Trust issued $25.0 million of trust preferred securities with a 30-year maturity, callable after the fifth year by Washington Banking. The trust preferred securities have a quarterly adjustable rate based upon the three-month London Interbank Offered Rate (“LIBOR”) plus 1.56%. On the Washington Banking Merger date of May 1, 2014, the Company acquired the Trust, which retained the Washington Banking Master Trust name, and assumed the performance and observance of the covenants under the indenture related to the trust preferred securities.

The adjustable rate of the trust preferred securities at September 30, 2016 was 2.41%. The weighted average rate of the junior subordinated debentures was 4.49% and 4.43% for the three and nine months ended September 30, 2016, respectively, and 4.01% and 4.36% for the three and nine months ended September 30, 2015, respectively. The weighted average rate includes the accretion of the discount established at the merger date which is amortized over the life of the trust preferred securities.

The junior subordinated debentures are the sole assets of the Trust, and payments under the junior subordinated debentures are the sole revenues of the Trust. At September 30, 2016 and December 31, 2015, the balance of the junior subordinated debentures, net of unaccreted discount, was $19.6 million and $19.4 million, respectively. All of the common securities of the Trust are owned by the Company. Heritage has fully and unconditionally guaranteed the capital securities along with all obligations of the Trust under the trust agreements.

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Repurchase Agreements

9 Months Ended

Sep. 30, 2016

Disclosure of Repurchase Agreements [Abstract]

Repurchase Agreements

Repurchase Agreements

The Company utilizes repurchase agreements with one-day maturities as a supplement to funding sources. Repurchase agreements are secured by pledged investment securities available for sale. Under the repurchase agreements, the Company is required to maintain an aggregate market value of securities pledged greater than the balance of the repurchase agreements. The Company is required to pledge additional securities to cover any declines below the balance of the repurchase agreements. The classes of collateral pledged for the Company's repurchase agreement obligations as of September 30, 2016 were residential mortgage backed securities and collateralized mortgage obligations of $13.9 million, commercial mortgage backed securities and collateralized mortgage obligations of $5.6 million and and U.S. Government-sponsored agencies of $2.9 million. The classes of collateral pledged for the Company's repurchase agreement obligations as of December 31, 2015, were residential mortgage backed securities and collateralized mortgage obligations of $18.0 million and commercial mortgage backed securities and collateralized mortgage obligations of $5.2 million. For additional information on the total value of investment securities pledged for repurchase agreements see Note (2) Investment Securities.

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Derivative Financial Instruments (Notes)

9 Months Ended

Sep. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Derivative Financial Instruments

The Company has entered into certain interest rate swap contracts that are not designated as hedging instruments. The purpose of these derivative contracts is primarily to provide commercial business loan customers the ability to convert their loans from variable to fixed interest rates. Upon the origination of a derivative contract with a customer, the Company simultaneously enters into an offsetting derivative contract with a third party in order to offset its exposure on the variable and fixed rate components of the customer agreement. The Company recognizes immediate income based upon the difference in the bid/ask spread of the underlying transactions with its customers and the third party. Because the Company acts only as an intermediary for its customer, subsequent changes in the fair value of the underlying derivative contracts offset each other and do not significantly impact the Company’s results of operations.

The notional amounts and estimated fair values of interest rate derivative contracts outstanding at September 30, 2016 and December 31, 2015 are presented in the following table.

	September 30, 2016						December 31, 2015
	Notional Amounts			Estimated Fair Value			Notional Amounts			Estimated Fair Value
	(In thousands)
Non-hedging interest rate derivatives
Interest rate swaps with customer	$	68,450		$	3,336		$	20,750		$	543
Interest rate swap with third party	(68,450		)	(3,336		)	(20,750		)	(543		)

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Stockholders' Equity

9 Months Ended

Sep. 30, 2016

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders’ Equity

(a) Earnings Per Common Share

The following table illustrates the reconciliation of weighted average shares used for earnings per common share computations for the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(Dollars in thousands)
Net income:
Net income	$	11,039		$	9,492		$	29,025		$	27,996
Less: Dividends and undistributed earnings allocated to participating securities	(102		)	(84		)	(280		)	(247		)
Net income allocated to common shareholders	$	10,937		$	9,408		$	28,745		$	27,749
Basic:
Weighted average common shares outstanding	29,962,270			29,960,133			29,968,034			30,086,057
Less: Restricted stock awards	(277,495		)	(263,404		)	(292,832		)	(268,999		)
Total basic weighted average common shares outstanding	29,684,775			29,696,729			29,675,202			29,817,058
Diluted:
Basic weighted average common shares outstanding	29,684,775			29,696,729			29,675,202			29,817,058
Incremental shares from stock options	11,031			22,395			12,543			22,718
Total diluted weighted average common shares outstanding	29,695,806			29,719,124			29,687,745			29,839,776

Potential dilutive shares are excluded from the computation of earnings per share if their effect is anti-dilutive. For the three months ended September 30, 2016, there were no anti-dilutive shares outstanding related to options to acquire common stock. For the nine months ended September 30, 2016, anti-dilutive shares outstanding related to options to acquire common stock totaled 580 as the assumed proceeds from exercise price, tax benefits and future compensation were in excess of the market value. For the three and nine months ended September 30, 2015, anti-dilutive shares outstanding related to options to acquire common stock totaled 2,650 and 4,883, respectively, for the same reasons indicated for the 2016 periods.

(b) Dividends

The timing and amount of cash dividends paid on the Company's common stock depends on the Company’s earnings, capital requirements, financial condition and other relevant factors. Dividends on common stock from the Company depend substantially upon receipt of dividends from the Bank, which is the Company’s predominant source of income.

The following table summarizes the dividend activity for the nine months ended September 30, 2016 and calendar year 2015.

Declared	Cash Dividend per Share	Record Date	Paid Date
January 28, 2015	$0.10	February 10, 2015	February 24, 2015
April 22, 2015	$0.11	May 7, 2015	May 21, 2015
July 22, 2015	$0.11	August 6, 2015	August 20, 2015
October 21, 2015	$0.11	November 4, 2015	November 18, 2015
October 21, 2015	$0.10	November 4, 2015	November 18, 2015	*
January 27, 2016	$0.11	February 10, 2016	February 24, 2016
April 20, 2016	$0.12	May 5, 2016	May 19, 2016
July 20, 2016	$0.12	August 4, 2016	August 18, 2016

* Denotes a special dividend.

The FDIC and the Washington State Department of Financial Institutions, Division of Banks, as the Bank's primary regulators, have the authority to prohibit the payment of dividends by the Bank to the Company. Additionally, current guidance from the Board of Governors of the Federal Reserve System ("Federal Reserve Board") provides, among other things, that dividends per share on the Company’s common stock generally should not exceed earnings per share, measured over the previous four fiscal quarters. Current regulations allow the Company and the Bank to pay dividends on their common stock if the Company’s or the Bank’s regulatory capital would not be reduced below the statutory minimum capital requirements set by the Federal Reserve Board and the FDIC, respectively.

(c) Stock Repurchase Program

The Company has had various stock repurchase programs since March 1999. On October 23, 2014, the Company's Board of Directors authorized the repurchase of up to 5% of the Company's outstanding common shares, or approximately 1,513,000 shares, under the eleventh stock repurchase plan. The number, timing and price of shares repurchased will depend on business and market conditions, and other factors, including opportunities to deploy the Company's capital.

The following table provides total repurchased shares and average share prices under the plan for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015		Plan Total (1)
Eleventh Plan
Repurchased shares	38,000		—		138,000		441,966		579,996
Stock repurchase average share price	$	17.46	$	—	$	17.16	$	16.64	$	16.76

(1) Represents shares repurchased and average price per share paid during the duration of the plan.

In addition to the stock repurchases disclosed in the table above, the Company repurchased shares to pay withholding taxes on the vesting of restricted stock. During the three and nine months ended September 30, 2016, the Company repurchased 5,267 and 29,206shares of common stock at an average price per share of $18.64 and $17.77, respectively, to pay withholding taxes on the vesting of restricted stock that vested during the respective periods. During the three and nine months ended September 30, 2015, the Company repurchased 388 and 21,998 shares of common stock at an average price per share of $17.63 and $17.07, respectively, to pay withholding taxes on the vesting of restricted stock that vested during the respective periods.

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Accumulated Other Comprehensive Income

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Accumulated Other Comprehensive Income

Accumulated Other Comprehensive Income

The changes in accumulated other comprehensive income (“AOCI”) by component, during the three and nine months ended September 30, 2016 and 2015 are as follows:

	Three Months Ended September 30, 2016 (1)			Nine Months Ended September 30, 2016 (1)
	(In thousands)
Balance of AOCI at the beginning of period	$	12,343		$	2,559
Other comprehensive (loss) income before reclassification	(1,055		)	9,223
Amounts reclassified from AOCI for gain on sale of investment securities included in net income	(224		)	(718		)
Net current period other comprehensive (loss) income	(1,279		)	8,505
Balance of AOCI at the end of period	$	11,064		$	11,064

⁽¹⁾  All amounts are due to the changes in fair value of available for sale securities and are net of tax.

	Three Months Ended September 30, 2015			Nine Months Ended September 30, 2015
	Total (1)(2)			Changes in fair value of available for sale securities (2)			Accretion of other-than- temporary impairment on held to maturity securities (2)			Total (2)
	(In thousands)
Balance of AOCI at the beginning of period	$	2,198		$	3,567		$	(189	)	$	3,378
Other comprehensive income before reclassification	3,064			2,407			108			2,515
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income	(255		)	(967		)	81			(886		)
Net current period other comprehensive income	2,809			1,440			189			1,629
Balance of AOCI at the end of period	$	5,007		$	5,007		$	—		$	5,007

⁽¹⁾  All amounts are due to the changes in fair value of available for sale securities.

⁽²⁾  All amounts are net of tax.

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2016

Share-based Compensation [Abstract]

Stock-Based Compensation

Stock-Based Compensation

Stock options generally vest ratably over three years and expire five years after they become exercisable or vest ratably over four years and expire ten years from date of grant. Restricted stock awards issued generally have a four-year cliff vesting or four-year ratable vesting schedule. The Company issues new shares of common stock to satisfy share option exercises and restricted stock awards.

On July 24, 2014, the Company's shareholders approved the Heritage Financial Corporation 2014 Omnibus Equity Plan that provides for the issuance of 1,500,000 shares of the Company's common stock in the form of stock options, stock appreciation rights, stock awards (which includes restricted stock units, restricted stock, performance units, performance shares or bonus shares) and cash incentive awards.

Under the Company's stock-based compensation plans, 1,151,503 shares remain available for future issuance as of September 30, 2016.

(a) Stock Option Awards

For the three and nine months ended September 30, 2016 and 2015, the Company did not recognize any compensation expense or related tax benefit related to stock options as all of the compensation expense related to the outstanding stock options had been previously recognized. The intrinsic value and cash proceeds from options exercised during the nine months ended September 30, 2016 was $99,000 and $401,000, respectively. The intrinsic value and cash proceeds from options exercised during the nine months ended September 30, 2015 was $223,000 and $666,000, respectively.

The following table summarizes the stock option activity for the nine months ended September 30, 2016 and 2015:

	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term (In years)	Aggregate Intrinsic Value (In thousands)
Outstanding at December 31, 2014	156,407		$	13.59
Exercised	(53,198	)	12.45
Forfeited or expired	(12,278	)	16.73
Outstanding at September 30, 2015	90,931		$	13.84	3.05	$	456
Outstanding at December 31, 2015	79,408		$	14.19
Exercised	(27,867	)	14.37
Forfeited or expired	(4,200	)	16.80
Outstanding, vested and expected to vest and exercisable at September 30, 2016	47,341		$	13.85	2.80	$	194

(b) Restricted and Unrestricted Stock Awards

For the three and nine months ended September 30, 2016, the Company recognized compensation expense related to restricted stock awards of $494,000 and $1.4 million, respectively, and a related tax benefit of $173,000 and $479,000, respectively. For the three and nine months ended September 30, 2015, the Company recognized compensation expense related to restricted stock awards of $409,000 and $1.1 million, respectively, and a related tax benefit of $144,000 and $395,000, respectively. As of September 30, 2016, the total unrecognized compensation expense related to non-vested restricted stock awards was $3.5 million and the related weighted average period over which the compensation expense is expected to be recognized is approximately 2.41 years. The vesting date fair value of the restricted stock awards that vested during the nine months ended September 30, 2016 and 2015 was $2.0 million and $1.6 million, respectively.

The following tables summarize the restricted and unrestricted stock award activity for the nine months ended September 30, 2016 and 2015:

	Shares		Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2014	238,669		$	15.20
Granted	121,320		16.72
Vested	(91,642	)	15.12
Forfeited	(2,837	)	15.71
Nonvested at September 30, 2015	265,510		$	15.92
Nonvested at December 31, 2015	264,521		15.92
Granted	119,939		17.53
Vested	(111,357	)	15.62
Forfeited	(9,216	)	16.57
Nonvested at September 30, 2016	263,887		$	16.76

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Fair Value Measurements

9 Months Ended

Sep. 30, 2016

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 values:

Level 1: Valuations for assets and liabilities traded in active exchange markets, or interest in open-end mutual funds that allow the Company to sell its ownership interest back to the fund at net asset value on a daily basis. Valuations are obtained from readily available pricing sources for market transactions involving identical assets, liabilities, or funds.

Level 2: Valuations for assets and liabilities traded in less active dealer, or broker markets, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active or valuations using methodologies with observable inputs.

Level 3: Valuations for assets and liabilities that are derived from other valuation methodologies, such as option pricing models, discounted cash flow models and similar techniques using unobservable inputs, and not based on market exchange, dealer, or broker traded transactions. Level 3 valuations incorporate certain assumptions and projections in determining the fair value assigned to such assets or liabilities.

(a) Recurring and Nonrecurring Basis

The Company used the following methods and significant assumptions to measure the fair value of certain assets on a recurring and nonrecurring basis:

Investment Securities Available for Sale:

The fair values of all investment securities are based upon the assumptions market participants would use in pricing the security. If available, fair values of investment securities are determined by quoted market prices (Level 1). For investment securities where quoted market prices are not available, fair values are calculated based on market prices on similar securities (Level 2). For investment securities where quoted prices or market prices of similar securities are not available, fair values are calculated by using observable and unobservable inputs such as discounted cash flows or other market indicators (Level 3). Security valuations are obtained from third party pricing services for comparable assets or liabilities.

Impaired Loans:

At the time a loan is considered impaired, its impairment is measured based on the present value of expected future cash flows discounted at the loan’s effective interest rate, observable market price, or fair market value of the collateral if the loan is collateral-dependent. Impaired loans for which impairment is measured using the discounted cash flow approach are not considered to be measured at fair value because the loan’s effective interest rate is generally not a fair value input, and for the purposes of fair value disclosures, the fair value of these loans are measured commensurate with non-impaired loans. If the Company utilizes the fair market value of the collateral method, the fair value used to measure impairment is commonly based on recent real estate appraisals. These appraisals may utilize a single valuation approach or a combination of approaches including comparable sales and the income approach. Adjustments are routinely made in the appraisal process by independent appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are usually significant and typically result in a Level 3 classification of the inputs for determining fair value. Non-real estate collateral may be valued using an appraisal, net book value based on the borrower’s financial statements, or aging reports, adjusted or discounted based on management’s historical knowledge, changes in market conditions from the time of the valuation, and management’s expertise and knowledge of the client and client’s business (Level 3). Impaired loans are evaluated on a quarterly basis for additional impairment and adjusted accordingly.

Other Real Estate Owned:

Assets acquired through or instead of loan foreclosure are initially recorded at fair value less costs to sell when acquired, establishing a new cost basis. These assets are subsequently accounted for at lower of cost or fair value less estimated costs to sell. Fair value is commonly based on recent real estate appraisals. These appraisals may utilize a single valuation approach or a combination of approaches including comparable sales and the income approach. Adjustments are routinely made in the appraisal process by independent appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are usually significant and typically result in Level 3 classification of the inputs for determining fair value.

Appraisals for both collateral-dependent impaired loans and other real estate owned are performed by certified general appraisers for commercial properties or certified residential appraisers for residential properties whose qualifications and licenses have been reviewed and verified by the Company. Once received, the Company reviews the assumptions and approaches utilized in the appraisal as well as the resulting fair value in comparison with independent data sources such as recent market data or industry-wide statistics. On a quarterly basis, the Company compares the actual selling price of collateral that has been liquidated to the most recent appraised value to determine what additional adjustment should be made to the appraisal value to arrive at fair value.

Derivative Financial Instruments:

The Company obtains broker/dealer quotes to value its interest rate derivative contracts, which use valuation models using observable market data as of the measurement date (Level 2).

The following tables summarize the balances of assets and liabilities measured at fair value on a recurring basis as of September 30, 2016 and December 31, 2015.

	September 30, 2016
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Investment securities available for sale:
U.S. Treasury and U.S. Government-sponsored agencies	$	5,594	$	593	$	5,001	$	—
Municipal securities	245,704		—		245,704		—
Mortgage backed securities and collateralized mortgage obligations:
Residential	342,757		—		342,757		—
Commercial	197,837		—		197,837		—
Collateralized loan obligations	13,989		—		13,989		—
Corporate obligations	13,183		—		13,183		—
Other equities	95		95		—		—
Total investment securities available for sale	$	819,159	$	688	$	818,471	$	—
Derivative assets - interest rate swaps	$	3,336	$	—	$	3,336	$	—
Liabilities
Derivative liabilities - interest rate swaps	$	3,336	$	—	$	3,336	$	—

	December 31, 2015
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Investment securities available for sale:
U.S. Treasury and U.S. Government-sponsored agencies	$	35,577	$	15,676	$	19,901	$	—
Municipal securities	220,993		—		220,993		—
Mortgage backed securities and collateralized mortgage obligations:
Residential	352,024		—		352,024		—
Commercial	179,011		—		179,011		—
Collateralized loan obligations	15,097		—		15,097		—
Corporate obligations	9,113		—		9,113		—
Other equities	54		54		—		—
Total investment securities available for sale	$	811,869	$	15,730	$	796,139	$	—
Derivative assets - interest rate swaps	$	543	$	—	$	543	$	—
Liabilities
Derivative liabilities - interest rate swaps	$	543	$	—	$	543	$	—

There were no transfers between Level 1 and Level 2 during the three and nine months ended September 30, 2016 and 2015.

The Company may be required to measure certain financial assets and liabilities at fair value on a nonrecurring basis. These adjustments to fair value usually result from application of lower-of-cost-or-market accounting or write-downs of individual assets.

The tables below represent assets measured at fair value on a nonrecurring basis at September 30, 2016 and December 31, 2015 and the net losses (gains) recorded in earnings during three and nine months ended September 30, 2016 and 2015.

	Basis(1)		Fair Value at September 30, 2016
			Total		Level 1		Level 2		Level 3		Net Losses (Gains) Recorded in Earnings  During the Three Months Ended September 30, 2016			Net Losses (Gains) Recorded in Earnings  During the Nine Months Ended September 30, 2016
	(In thousands)
Impaired loans:
Commercial business:
Commercial and industrial	$	225	$	167	$	—	$	—	$	167	$	24		$	25
Owner-occupied commercial real estate	631		609		—		—		609		23			(2		)
Total commercial business	856		776		—		—		776		47			23
Real estate construction and land development:
One-to-four family residential	829		825		—		—		825		(13		)	(26		)
Total real estate construction and land development	829		825		—		—		825		(13		)	(26		)
Total impaired loans and assets measured at fair value on nonrecurring basis	$	1,685	$	1,601	$	—	$	—	$	1,601	$	34		$	(3	)

⁽¹⁾ Basis represents the unpaid principal balance of impaired loans.

	Basis(1)		Fair Value at December 31, 2015
			Total		Level 1		Level 2		Level 3		Net Losses (Gains) Recorded in Earnings  During the Three Months Ended September 30, 2015		Net Losses (Gains) Recorded in Earnings  During the Nine Months Ended September 30, 2015
	(In thousands)
Total assets measured at fair value on a nonrecurring basis (2)	$	1,753	$	1,719	$	—	$	—	$	1,719	$	—	$	102

⁽¹⁾  Basis represents the unpaid principal balance of impaired loans.

⁽²⁾  The only assets measured at December 31, 2015 were one-to-four family residential real estate construction and land development impaired loans.

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis at September 30, 2016 and December 31, 2015.

	September 30, 2016
	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range of Inputs; Weighted Average
	(Dollars in thousands)
Impaired loans	$	1,601	Market approach	Adjustment for differences between the comparable sales	(17.2%) - 63.9%; 22.5%

	December 31, 2015
	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range of Inputs; Weighted Average
	(Dollars in thousands)
Impaired loans	$	1,719	Market approach	Adjustment for differences between the comparable sales	(30.0%) - 63.9%; 24.5%

(b) Fair Value of Financial Instruments

Because broadly traded markets do not exist for most of the Company’s financial instruments, the fair value calculations attempt to incorporate the effect of current market conditions at a specific time. These determinations are subjective in nature, involve uncertainties and matters of significant judgment and do not include tax ramifications; therefore, the results cannot be determined with precision, substantiated by comparison to independent markets and may not be realized in an actual sale or immediate settlement of the instruments. There may be inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the results. For all of these reasons, the aggregation of the fair value calculations presented herein do not represent, and should not be construed to represent, the underlying value of the Company.

The tables below present the carrying value amount of the Company’s financial instruments and their corresponding estimated fair values at the dates indicated.

	September 30, 2016
	Carrying Value		Fair Value		Fair Value Measurements Using:
					Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash and cash equivalents	$	112,760	$	112,760	$	112,760	$	—	$	—
Other interest earning deposits	5,461		5,489		—		5,489		—
Investment securities available for sale	819,159		819,159		688		818,471		—
Federal Home Loan Bank stock	5,088		N/A		N/A		N/A		N/A
Loans held for sale	8,964		9,223		—		9,223		—
Total loans receivable, net	2,548,766		2,634,175		—		—		2,634,175
Accrued interest receivable	11,327		11,327		1		3,775		7,551
Derivative assets - interest rate swaps	3,336		3,336		—		3,336		—
Liabilities
Deposits:
Noninterest deposits, NOW accounts, money market accounts and savings accounts	$	2,873,777	$	2,873,777	$	2,873,777	$	—	$	—
Certificate of deposit accounts	368,644		368,731		—		368,731		—
Total deposits	$	3,242,421	$	3,242,508	$	2,873,777	$	368,731	$	—
Federal Home Loan Bank advances	$	17,700	$	17,700	$	—	$	17,700	$	—
Securities sold under agreement to repurchase	$	22,425	$	22,425	$	22,425	$	—	$	—
Junior subordinated debentures	19,644		16,250		—		—		16,250
Accrued interest payable	164		164		44		94		26
Derivative liabilities - interest rate swaps	3,336		3,336		—		3,336		—

	December 31, 2015
	Carrying Value		Fair Value		Fair Value Measurements Using:
					Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and cash equivalents	$	126,640	$	126,640	$	126,640	$	—	$	—
Other interest earning deposits	6,719		6,723		—		6,723		—
Investment securities available for sale	811,869		811,869		15,730		796,139		—
Federal Home Loan Bank stock	4,148		N/A		N/A		N/A		N/A
Loans held for sale	7,682		7,883		—		7,883		—
Loans receivable, net of allowance for loan losses	2,372,296		2,441,531		—		—		2,441,531
Accrued interest receivable	10,469		10,469		5		3,335		7,129
Derivative assets - interest rate swaps	543		543		—		543		—
Financial Liabilities:
Deposits:
Noninterest deposits, NOW accounts, money market accounts and savings accounts	$	2,687,954	$	2,687,954	$	2,687,954	$	—	$	—
Certificate of deposit accounts	420,333		423,352		—		423,352		—
Total deposits	$	3,108,287	$	3,111,306	$	2,687,954	$	423,352	$	—
Securities sold under agreement to repurchase	$	23,214	$	23,214	$	23,214	$	—	$	—
Junior subordinated debentures	19,424		15,000		—		—		15,000
Accrued interest payable	207		207		50		133		24
Derivative liabilities - interest rate swaps	543		543		—		543		—

The methods and assumptions, not previously presented, used to estimate fair value are described as follows:

Cash and Cash Equivalents:

The fair value of financial instruments that are short-term or reprice frequently and that have little or no risk are considered to have a fair value equal to carrying value (Level 1).

Other Interest Earning Deposits:

These deposits with other banks have maturities greater than three months. The fair value is calculated based upon market prices for similar deposits (Level 2).

Federal Home Loan Bank Stock:

FHLB stock is not publicly traded; thus, it is not practicable to determine the fair value of FHLB stock due to restrictions placed on its transferability.

Loans Held for Sale:

The fair value of loans held for sale is estimated based upon binding contracts or quotes from third party investors for similar loans. (Level 2).

Loans Receivable:

Except for certain impaired loans discussed previously, fair value is based on discounted cash flows using current market rates applied to the estimated life (Level 3). While these methodologies are permitted under U.S. GAAP, they are not based on the exit price concept of the fair value required under FASB ASC 820-10, Fair Value Measurements and Disclosures, and generally produce a higher value.

Accrued Interest Receivable/Payable:

The fair value of accrued interest receivable/payable balances are determined using inputs and fair value measurements commensurate with the asset or liability from which the accrued interest is generated. The carrying amounts of accrued interest approximate fair value (Level 1, Level 2 and Level 3).

Deposits:

For deposits with no contractual maturity, the fair value is assumed to equal the carrying value (Level 1). The fair value of fixed maturity deposits is based on discounted cash flows using the difference between the deposit rate and the rates offered by the Company for deposits of similar remaining maturities (Level 2).

Federal Home Loan Bank Advances:

The fair value of FHLB advances is estimated based on discounting the future cash flows using the market rate currently offered (Level 2).

Securities Sold Under Agreement to Repurchase:

Securities sold under agreement to repurchase are short-term in nature and they reprice on a daily basis. Fair value financial instruments that are short-term or reprice frequently and that have little or no risk are considered to have a fair value equal to carrying value (Level 1).

Junior Subordinated Debentures:

The fair value is estimated using discounted cash flow analysis based on current rates for similar types of debt, which many be unobservable, and considering recent trading activity of similar instruments in markets which can be inactive (Level 3).

Off-Balance Sheet Financial Instruments:

The majority of our commitments to extend credit, standby letters of credit and commitments to sell mortgage loans carry current market interest rates if converted to loans. As such, no premium or discount was ascribed to these commitments (Level 1). They are excluded from the preceding tables.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

In June 2016, the Company received preliminary findings from the Washington State Department of Revenue ("DOR") regarding their business and occupation ("B&O") tax audit on the B&O tax returns of Whidbey for the years 2010-2014. The state B&O tax is a gross receipts tax and is calculated on the gross income from activities. It is measured on the value of products, gross proceeds of sale, or gross income of the business. A substantial portion of the preliminary findings related to the receipt of FDIC shared-loss payments from the FDIC to Washington Banking Company in connection with its acquisitions of City Bank in April 2010 and North County Bank in September 2010. In their preliminary findings, the DOR is considering those payments as taxable for B&O tax purposes. The total amount of this preliminary finding, along with calculated back interest, is approximately $1.6 million. Given the early stages of this DOR audit, management's estimates of the Company's ultimate liability, if any, involve significant judgment and are based on currently available information and an assessment of the validity of facts and calculations assumed by the DOR. Management does not believe a material loss is probable at this time and there are significant factual and legal issues to be resolved. Management believes that it is reasonably possible that future changes to the Company's estimates of loss and the ultimate amount paid for resolution of this B&O audit could impact the Company's results of operations in future periods. Any such losses would be reported as a noninterest expense in the Company's Condensed Consolidated Statement of Income.

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Description of Business, Basis of Presentation and Significant Accounting Policies and Recent Issued Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business

Description of Business

Heritage Financial Corporation ("Heritage" or the “Company”) is a bank holding company that was incorporated in the State of Washington in August 1997. The Company is primarily engaged in the business of planning, directing and coordinating the business activities of its wholly-owned subsidiary, Heritage Bank (the “Bank”). The Bank is a Washington-chartered commercial bank and its deposits are insured by the FDIC under the Deposit Insurance Fund. The Bank is headquartered in Olympia, Washington and conducts business from its 63 branch offices located throughout Washington State and the greater Portland, Oregon area. The Bank’s business consists primarily of commercial lending and deposit relationships with small businesses and their owners in its market areas and attracting deposits from the general public. The Bank also makes real estate construction and land development loans and consumer loans and originates first mortgage loans on residential properties primarily located in its market area.

The Company has expanded its footprint through mergers and acquisitions. The largest of these transactions was the strategic merger with Washington Banking Company (“Washington Banking”) and its wholly owned subsidiary bank, Whidbey Island Bank ("Whidbey"). Effective May 1, 2014, Washington Banking merged with and into Heritage and Whidbey merged with and into Heritage Bank and this transaction is referred to herein as the "Washington Banking Merger". In connection with the Washington Banking Merger, Heritage also acquired as a subsidiary the Washington Banking Master Trust, a Delaware statutory business trust. Pursuant to the merger agreement, Heritage assumed the performance and observance of the covenants to be performed by Washington Banking under an indenture relating to $25.0 million in trust preferred securities issued in 2007 and the due and punctual payment of the principal of and premium and interest on such trust preferred securities. For additional information, see Note (8) Junior Subordinated Debentures.

Basis of Presentation

Basis of Presentation

The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the accounting principles generally accepted in the United States (“U.S. GAAP”) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. It is recommended that these unaudited Condensed Consolidated Financial Statements and accompanying Notes be read with the audited Consolidated Financial Statements and the accompanying Notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015 (“2015 Annual Form 10-K”). In management's opinion, all adjustments (consisting only of normal recurring adjustments) considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2016 are not necessarily indicative of the results that may be expected for the year ending December 31, 2016. In preparing the unaudited Condensed Consolidated Financial Statements, management is required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and related disclosures. Management believes that the judgments, estimates and assumptions used in the preparation of the financial statements are appropriate based on the facts and circumstances at the time. Actual results, however, could differ from those estimates.

Certain prior period amounts have been reclassified to conform to the current period’s presentation. The Company reclassified $56.6 million of loans receivable previously classified as owner-occupied commercial real estate at December 31, 2015 to non-owner occupied commercial real estate for all comparative tables in Note (3) Loans Receivable. The related allowance for loan losses and provision for loan losses for all historical periods in Note (4) Allowance for Loan Losses were also reclassified. None of these loans were considered impaired at September 30, 2016 or December 31, 2015. The reclassification was due to a review of certain loan products, including hotels, assisted-living housing and self-storage units, for which the Bank determined the risk characteristics were more akin to non-owner occupied loans. The Company also reclassified $179.0 million fair value ($179.8 million amortized cost) of mortgage backed securities and collateralized mortgage obligations previously classified as residential to commercial based on a detailed review of the investment types. The reclassifications had no effect on prior periods' net income or stockholders’ equity.

Significant Accounting Policies

Significant Accounting Policies

The significant accounting policies used in preparation of the Company's Condensed Consolidated Financial Statements are disclosed in the 2015 Annual Report on Form 10-K. There have not been any material changes in the Company's significant accounting policies from those contained in the 2015 Annual Report on Form 10-K.

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements

Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU" or "Update") 2014-09, Revenue from Contracts with Customers, was issued in May 2014. Under this Update, FASB created a new Topic 606 which is in response to a joint initiative of FASB and the International Accounting Standards Board to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP and international financial reporting standards that would:

• Remove inconsistencies and weaknesses in revenue requirements.

• Provide a more robust framework for addressing revenue issues.

• Improve comparability of revenue recognition practices across entities, industries, jurisdictions, and capital markets.

• Provide more useful information to users of financial statements through improved disclosure requirements.

• Simplify the preparation of financial statements by reducing the number of requirements to which an entity must refer.

The original effective date for this Update was deferred in FASB ASU 2015-14 below. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2015-14, Revenue from Contracts with Customers, was issued in August 2015 and defers the effective date of the above-mentioned FASB ASU 2014-09 for certain entities. Public business entities, certain not-for-profit entities, and certain employee benefit plans should apply the guidance in Update 2014-09 to annual reporting periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Earlier application is now permitted, but only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The Company is a public business entity and will not early adopt the guidance in Update 2014-09 as permitted in this Update. The Company is currently evaluating the impact that Update 2014-09 will have on its Condensed Consolidated Financial Statements upon adoption.

FASB ASU 2015-16, Business Combinations (Topic 805), was issued in September 2015. Topic 805 requires that an acquirer retrospectively adjust provisional amounts recognized in a business combination, during the measurement period. To simplify the accounting for adjustments made to provisional amounts, the Update requires that the acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amount is determined. The acquirer is required to also record, in the same period’s financial statements, the effect on earnings of changes in depreciation, amortization, or other income effects, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date.  In addition, an entity is required to present separately on the income statement or disclose in the notes to the financial statements the portion of the amount recorded in current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amounts had been recognized as of the acquisition date. The Update did not have an impact on the Company's Condensed Consolidated Financial Statements as of September 30, 2016.

FASB ASU 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities (Subtopic 825-10), was issued in January 2016, to enhance the reporting model for financial instruments to provide users of financial statements with more decision-useful information. This Update contains several provisions, including but not limited to 1) requiring equity investments, with certain exceptions, to be measured at fair value with changes in fair value recognized in net income; 2) simplifying the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; 3) eliminating the requirement to disclose the method(s) and significant assumptions used to estimate fair value; and 4) requiring separate presentation of financial assets and liabilities by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements. The Update also changes certain financial statement disclosure requirements, including requiring disclosures of the fair value of financial instruments be made on the basis of exit price. The Update is effective for public entities for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-02, Leases (Topic 842), was issued in February 2016, to increase transparency and comparability of leases among organizations and to disclose key information about leasing arrangements. The Update sets out the principles for the recognition, measurement, presentation and disclosure of leases for both lessees and lessors. The Update requires lessees to apply a dual approach, classifying leases as either a finance or operating lease. This classification will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term greater than 12 months regardless of their classification. All cash payments will be classified within operating activities in the statement of cash flows. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. The Update is effective for public entities for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-08, Revenue from Contracts with Customers: Principal versus Agent Considerations, was issued in March 2016 and it clarifies the implementation guidance of the above-mentioned FASB ASU 2014-09 as it relates to principal versus agent considerations. The Update addresses identifying the unit of account and nature of the goods or services as well as applying the control principle and interactions with the control principle. The amendments to the Update do not change the core principle of the guidance. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that the Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-09, Stock Compensation (Topic 718), issued in March 2016, is intended to simplify several aspects of the accounting for share-based payment award transactions. For public business entities, the guidance is effective for annual periods after December 15, 2016, including interim periods within those annual periods with early adoption permitted. Certain amendments will be applied using a modified retrospective transition method by means of a cumulative-effect adjustment to equity as of the beginning of the period in which the guidance is adopted. Other amendments will be applied retroactively (such as presentation of employee taxes paid on the statement of cash flows) or prospectively (such as recognition of excess tax benefits on the income statement). The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-10, Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing, was issued in April 2016 which clarifies the implementation guidance of the above-mentioned FASB ASU 2014-09 as it relates to identifying performance obligations and licensing. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-12, Revenue from Contracts with Customers (Topic 606): Narrow-scope Improvements and Practical Expedients, was issued in May 2016. The amendments in this Update do not change the core principle of the guidance in Topic 606. Rather, the amendments in this Update affect only the narrow aspects of Topic 606. The effective date and transition requirements for this Update are the same as FASB ASU 2014-09. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-13, Financial Instruments: Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, was issued in June 2016. Commonly referred to as the current expected credit loss model("CECL"), this Update requires financial assets measured at amortized cost basis to be presented at the net amount expected to be collected. The allowance for credit losses is a valuation account that is deducted from the amortized cost basis of the financial asset to present the net carrying value at the amount expected to be collected on the financial asset. The measurement of expected credit losses is based on relevant information about past events including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectibility of the reported amount. The amendment affects loans, debt securities, trade receivables, net investments in leases, off-balance-sheet credit exposures, reinsurance receivables, and any other financial asset not excluded from the scope that have the contractual right to receive cash. The Update replaces the incurred loss impairment methodology, which generally only considered past events and current conditions, with a methodology that reflects the expected credit losses and required consideration of a broader range of reasonable and supportable information to estimate all expected credit losses. The Update additionally addresses purchased assets and introduces the purchased financial asset with a more-than-insignificant amount of credit deterioration since origination ("PCD"). The accounting for these PCD assets is similar to the existing accounting guidance of FASB Accounting Standards Codification ("ASC") 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality, for purchased credit impaired ("PCI") assets, except the subsequent improvements in estimated cash flows will be immediately recognized into income, similar to the immediate recognition of subsequent deteriorations in cash flows. Current guidance only allows for the prospective recognition of these cash flow improvements. Because the terminology has been changed to a "more-than-insignificant" amount of credit deterioration, the presumption is that more assets might qualify for this accounting under the Update than those under current guidance. For public business entities, the Update is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years with early adoption permitted for fiscal years after December 15, 2018. An entity will apply the amendments through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is adopted. A prospective transition approach is required for debt securities. An entity that has previously applied the guidance of ASC 310-30 will prospectively apply the guidance in this Update for PCD assets. A prospective transition approach should be used for PCD assets where upon adoption, the amortized cost basis should be adjusted to reflect the addition of the allowance for credit losses. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

FASB ASU 2016-15, Statement of Cash Flows (Topic 213): Classification of Certain Cash Receipts and Cash Payments, was issued in August 2016. The Update addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. For public business entities, the guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is permitted and must be applied using a retrospective transitional method to each period presented. The Company is currently evaluating the impact that this Update will have on its Condensed Consolidated Financial Statements.

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Investment Securities (Tables)

9 Months Ended

Sep. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule of securities available for sale

The amortized cost, gross unrealized gains, gross unrealized losses and fair values of investment securities available for sale at the dates indicated were as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
September 30, 2016
U.S. Treasury and U.S. Government-sponsored agencies	$	5,565	$	29	$	—		$	5,594
Municipal securities	236,913		9,169		(378		)	245,704
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	337,689		5,340		(272		)	342,757
Commercial	194,666		3,276		(105		)	197,837
Collateralized loan obligations	14,032		9		(52		)	13,989
Corporate obligations	13,201		7		(25		)	13,183
Other equities	45		50		—			95
Total	$	802,111	$	17,880	$	(832	)	$	819,159
December 31, 2015
U.S. Treasury and U.S. Government-sponsored agencies	$	35,618	$	145	$	(186	)	$	35,577
Municipal securities	216,352		4,826		(185		)	220,993
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	351,606		1,749		(1,331		)	352,024
Commercial	179,797		343		(1,129		)	179,011
Collateralized loan obligations	15,251		—		(154		)	15,097
Corporate obligations	9,252		—		(139		)	9,113
Other equities	45		9		—			54
Total	$	807,921	$	7,072	$	(3,124	)	$	811,869

Schedule of maturities of investment securities

The amortized cost and fair value of investment securities available for sale at September 30, 2016, by contractual maturity, are set forth below. Actual maturities may differ from contractual maturities because certain borrowers have the right to call or prepay obligations with or without call or prepayment penalties.

	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	3,564	$	3,578
Due after one year through five years	121,014		123,124
Due after five years through ten years	232,087		237,820
Due after ten years	445,401		454,542
Investment securities with no stated maturities	45		95
Total	$	802,111	$	819,159

Schedule of fair value and unrealized losses of available for sale investment securities

The following table shows the gross unrealized losses and fair value of the Company's investment securities available for sale that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that the individual securities have been in continuous unrealized loss positions as of September 30, 2016 and December 31, 2015 were as follows:

	Less than 12 Months					12 Months or Longer					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(In thousands)
September 30, 2016
Municipal securities	$	22,030	$	(378	)	$	—	$	—		$	22,030	$	(378	)
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	27,459		(128		)	17,416		(144		)	44,875		(272		)
Commercial	38,378		(79		)	8,240		(26		)	46,618		(105		)
Collateralized loan obligations	—		—			11,130		(52		)	11,130		(52		)
Corporate obligations	6,021		(21		)	4,022		(4		)	10,043		(25		)
Total	$	93,888	$	(606	)	$	40,808	$	(226	)	$	134,696	$	(832	)
December 31, 2015
U.S. Treasury and U.S. Government-sponsored agencies	$	30,381	$	(186	)	$	—	$	—		$	30,381	$	(186	)
Municipal securities	21,929		(174		)	2,068		(11		)	23,997		(185		)
Mortgage backed securities and collateralized mortgage obligations(1):
Residential	173,959		(870		)	39,891		(461		)	213,850		(1,331		)
Commercial	79,103		(1,117		)	4,047		(12		)	83,150		(1,129		)
Collateralized loan obligations	15,097		(154		)	—		—			15,097		(154		)
Corporate obligations	8,134		(110		)	979		(29		)	9,113		(139		)
Total	$	328,603	$	(2,611	)	$	46,985	$	(513	)	$	375,588	$	(3,124	)

Scheduled of amortized cost and fair value of securities pledged as collateral

The following table summarizes the amortized cost and fair value of investment securities available for sale that are pledged as collateral for the following obligations at September 30, 2016 and December 31, 2015:

	September 30, 2016				December 31, 2015
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Washington and Oregon state to secure public deposits	$	220,203	$	226,536	$	212,325	$	215,284
Federal Reserve Bank of San Francisco and Federal Home Loan Bank to secure borrowing arrangements	—		—		506		506
Repurchase agreements	25,934		26,312		28,500		28,503
Other securities pledged	3,590		3,683		2,125		2,160
Total	$	249,727	$	256,531	$	243,456	$	246,453

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Loans Receivable (Tables)

9 Months Ended

Sep. 30, 2016

Loans and Leases Receivable Disclosure [Abstract]

Schedule of loans receivable

Loans receivable at September 30, 2016 and December 31, 2015 consisted of the following portfolio segments and classes:

	September 30, 2016			December 31, 2015
	(In thousands)
Commercial business:
Commercial and industrial	$	638,082		$	596,726
Owner-occupied commercial real estate	578,147			572,609
Non-owner occupied commercial real estate	802,502			753,986
Total commercial business	2,018,731			1,923,321
One-to-four family residential	78,253			72,548
Real estate construction and land development:
One-to-four family residential	52,052			51,752
Five or more family residential and commercial properties	97,108			55,325
Total real estate construction and land development	149,160			107,077
Consumer	330,933			298,167
Gross loans receivable	2,577,077			2,401,113
Net deferred loan costs	1,900			929
Loans receivable, net	2,578,977			2,402,042
Allowance for loan losses	(30,211		)	(29,746		)
Total loans receivable, net	$	2,548,766		$	2,372,296

Loans receivable by credit quality indicator

The following tables present the balance of the loans receivable by credit quality indicator as of September 30, 2016 and December 31, 2015.

	September 30, 2016
	Pass		OAEM		Substandard		Doubtful		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	599,694	$	5,952	$	32,376	$	60	$	638,082
Owner-occupied commercial real estate	550,065		6,412		21,413		257		578,147
Non-owner occupied commercial real estate	759,097		15,799		27,606		—		802,502
Total commercial business	1,908,856		28,163		81,395		317		2,018,731
One-to-four family residential	76,735		—		1,518		—		78,253
Real estate construction and land development:
One-to-four family residential	45,287		824		5,941		—		52,052
Five or more family residential and commercial properties	92,562		1,004		3,542		—		97,108
Total real estate construction and land development	137,849		1,828		9,483		—		149,160
Consumer	325,832		54		5,047		—		330,933
Gross loans receivable	$	2,449,272	$	30,045	$	97,443	$	317	$	2,577,077

	December 31, 2015
	Pass		OAEM		Substandard		Doubtful		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	563,002	$	8,093	$	25,333	$	298	$	596,726
Owner-occupied commercial real estate	544,429		11,662		16,260		258		572,609
Non-owner occupied commercial real estate	699,759		23,447		30,780		—		753,986
Total commercial business	1,807,190		43,202		72,373		556		1,923,321
One-to-four family residential	71,457		—		1,091		—		72,548
Real estate construction and land development:
One-to-four family residential	44,069		896		6,787		—		51,752
Five or more family residential and commercial properties	50,678		—		4,647		—		55,325
Total real estate construction and land development	94,747		896		11,434		—		107,077
Consumer	291,892		—		6,275		—		298,167
Gross loans receivable	$	2,265,286	$	44,098	$	91,173	$	556	$	2,401,113

Schedule of nonaccrual loans

Nonaccrual loans, segregated by segments and classes of loans, were as follows as of September 30, 2016 and December 31, 2015:

	September 30, 2016		December 31, 2015
	(In thousands)
Commercial business:
Commercial and industrial	$	3,849	$	5,095
Owner-occupied commercial real estate	2,984		2,027
Non-owner occupied commercial real estate	1,983		—
Total commercial business	8,816		7,122
One-to-four family residential	35		38
Real estate construction and land development:
One-to-four family residential	2,008		2,414
Five or more family residential and commercial properties	—		—
Total real estate construction and land development	2,008		2,414
Consumer	681		94
Nonaccrual loans	$	11,540	$	9,668

Past due financing receivables

The balances of past due loans, segregated by segments and classes of loans, as of September 30, 2016 and December 31, 2015 were as follows:

	September 30, 2016
	30-89 Days		90 Days or Greater		Total Past  Due		Current		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	587	$	1,165	$	1,752	$	636,330	$	638,082
Owner-occupied commercial real estate	2,063		1,871		3,934		574,213		578,147
Non-owner occupied commercial real estate	759		1,983		2,742		799,760		802,502
Total commercial business	3,409		5,019		8,428		2,010,303		2,018,731
One-to-four family residential	112		—		112		78,141		78,253
Real estate construction and land development:
One-to-four family residential	—		865		865		51,187		52,052
Five or more family residential and commercial properties	459		—		459		96,649		97,108
Total real estate construction and land development	459		865		1,324		147,836		149,160
Consumer	1,407		620		2,027		328,906		330,933
Gross loans receivable	$	5,387	$	6,504	$	11,891	$	2,565,186	$	2,577,077

	December 31, 2015
	30-89 Days		90 Days or Greater		Total Past  Due		Current		Total
	(In thousands)
Commercial business:
Commercial and industrial	$	2,900	$	2,679	$	5,579	$	591,147	$	596,726
Owner-occupied commercial real estate	2,240		2,609		4,849		567,760		572,609
Non-owner occupied commercial real estate	2,177		184		2,361		751,625		753,986
Total commercial business	7,317		5,472		12,789		1,910,532		1,923,321
One-to-four family residential	490		—		490		72,058		72,548
Real estate construction and land development:
One-to-four family residential	—		2,392		2,392		49,360		51,752
Five or more family residential and commercial properties	118		42		160		55,165		55,325
Total real estate construction and land development	118		2,434		2,552		104,525		107,077
Consumer	3,029		202		3,231		294,936		298,167
Gross loans receivable	$	10,954	$	8,108	$	19,062	$	2,382,051	$	2,401,113

Schedule of impaired loans, including restructured

Impaired loans include nonaccrual loans and performing troubled debt restructured ("TDR") loans. The balances of impaired loans as of September 30, 2016 and December 31, 2015 are set forth in the following tables.

	September 30, 2016
	Recorded Investment With No Specific Valuation Allowance		Recorded Investment With Specific Valuation Allowance		Total Recorded Investment		Unpaid Contractual Principal Balance		Related Specific Valuation Allowance
	(In thousands)
Commercial business:
Commercial and industrial	$	2,544	$	6,320	$	8,864	$	9,470	$	907
Owner-occupied commercial real estate	847		3,723		4,570		4,927		458
Non-owner occupied commercial real estate	5,595		6,464		12,059		12,113		832
Total commercial business	8,986		16,507		25,493		26,510		2,197
One-to-four family residential	—		263		263		266		81
Real estate construction and land development:
One-to-four family residential	2,310		829		3,139		3,824		4
Five or more family residential and commercial properties	—		1,606		1,606		1,606		176
Total real estate construction and land development	2,310		2,435		4,745		5,430		180
Consumer	576		191		767		1,028		49
Total	$	11,872	$	19,396	$	31,268	$	33,234	$	2,507

	December 31, 2015
	Recorded Investment With No Specific Valuation Allowance		Recorded Investment With Specific Valuation Allowance		Total Recorded Investment		Unpaid Contractual Principal Balance		Related Specific Valuation Allowance
	(In thousands)
Commercial business:
Commercial and industrial	$	872	$	8,769	$	9,641	$	11,368	$	1,173
Owner-occupied commercial real estate	—		4,295		4,295		4,342		809
Non-owner occupied commercial real estate	3,696		6,834		10,530		10,539		943
Total commercial business	4,568		19,898		24,466		26,249		2,925
One-to-four family residential	—		275		275		276		85
Real estate construction and land development:
One-to-four family residential	1,403		2,065		3,468		4,089		66
Five or more family residential and commercial properties	—		1,960		1,960		1,960		203
Total real estate construction and land development	1,403		4,025		5,428		6,049		269
Consumer	48		145		193		200		29
Total	$	6,019	$	24,343	$	30,362	$	32,774	$	3,308

Schedule of average recorded investment impaired loans including restructuring loans

The average recorded investment of impaired loans for the three and nine months ended September 30, 2016 and 2015 are set forth in the following table.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(In thousands)
Commercial business:
Commercial and industrial	$	9,625	$	8,692	$	9,750	$	10,776
Owner-occupied commercial real estate	4,553		4,882		4,560		4,151
Non-owner occupied commercial real estate	12,107		10,256		12,232		8,893
Total commercial business	26,285		23,830		26,542		23,820
One-to-four family residential	265		259		267		315
Real estate construction and land development:
One-to-four family residential	3,177		3,639		3,253		4,312
Five or more family residential and commercial properties	1,619		1,997		1,746		2,032
Total real estate construction and land development	4,796		5,636		4,999		6,344
Consumer	885		159		907		329
Total	$	32,231	$	29,884	$	32,715	$	30,808

Recorded investment balance and related allowance for loan losses of accruing and non-accruing TDRs

The recorded investment balance and related allowance for loan losses of performing and nonaccrual TDR loans as of September 30, 2016 and December 31, 2015 were as follows:

	September 30, 2016				December 31, 2015
	Performing TDRs		Nonaccrual TDRs		Performing TDRs		Nonaccrual TDRs
	(In thousands)
TDR loans	$	19,728	$	5,073	$	20,695	$	6,301
Allowance for loan losses on TDR loans	1,833		450		2,069		679

Troubled debt restructurings on financing receivables

Loans that were modified as TDRs during the three and nine months ended September 30, 2016 and 2015 are set forth in the following tables:

	Three Months Ended September 30,
	2016			2015
	Number of Contracts (1)	Outstanding Principal Balance  (1)(2)		Number of Contracts (1)	Outstanding Principal Balance  (1)(2)
	(Dollars in thousands)
Commercial business:
Commercial and industrial	8	$	2,324	10	$	3,598
Owner-occupied commercial real estate	2	576		2	1,102
Non-owner occupied commercial real estate	1	818		1	1,082
Total commercial business	11	3,718		13	5,782
Real estate construction and land development:
One-to-four family residential	5	2,274		2	1,087
Five or more family residential and commercial properties	1	1,606		0	—
Total real estate construction and land development	6	3,880		2	1,087
Consumer	2	26		—	—
Total TDR loans	19	$	7,624	15	$	6,869

	Nine Months Ended September 30,
	2016			2015
	Number of Contracts (1)	Outstanding Principal Balance  (1)(2)		Number of Contracts (1)	Outstanding Principal Balance  (1)(2)
	(Dollars in thousands)
Commercial business:
Commercial and industrial	15	$	2,915	29	$	6,443
Owner-occupied commercial real estate	2	576		7	2,201
Non-owner occupied commercial real estate	1	818		6	15,634
Total commercial business	18	4,309		42	24,278
Real estate construction and land development:
One-to-four family residential	5	2,274		6	2,681
Five or more family residential and commercial properties	1	1,606		1	415
Total real estate construction and land development	6	3,880		7	3,096
Consumer	6	70		2	144
Total TDR loans	30	$	8,259	51	$	27,518

(1) Number of contracts and outstanding principal balance represent loans which have balances as of period end as certain loans may have been paid-down or charged-off during the three and nine months ended September 30, 2016 and 2015.

(2) Includes subsequent payments after modifications and reflects the balance as of period end. As the Bank did not forgive any principal or interest balance as part of the loan modification, the Bank’s recorded investment in each loan at the date of modification (pre-modification) did not change as a result of the modification (post-modification).

Purchased impaired loans

The following table reflects the outstanding principal balance and recorded investment of the PCI loans at September 30, 2016 and December 31, 2015:

	September 30, 2016				December 31, 2015
	Outstanding Principal		Recorded Investment		Outstanding Principal		Recorded Investment
	(In thousands)
Commercial business:
Commercial and industrial	$	14,931	$	10,801	$	20,110	$	16,986
Owner-occupied commercial real estate	19,218		17,404		24,730		22,313
Non-owner occupied commercial real estate	25,425		23,680		30,685		27,774
Total commercial business	59,574		51,885		75,525		67,073
One-to-four family residential	5,168		4,936		5,707		5,392
Real estate construction and land development:
One-to-four family residential	3,036		2,157		6,904		4,121
Five or more family residential and commercial properties	2,648		2,536		3,071		3,207
Total real estate construction and land development	5,684		4,693		9,975		7,328
Consumer	5,536		6,457		6,720		7,126
Gross PCI loans	$	75,962	$	67,971	$	97,927	$	86,919

Schedule of impaired purchased loans accretable yield

The following table summarizes the accretable yield on the PCI loans for the three and nine months ended September 30, 2016 and 2015.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Balance at the beginning of the period	$	15,359		$	18,731		$	17,592		$	21,092
Accretion	(1,178		)	(1,661		)	(3,900		)	(5,399		)
Disposal and other	(491		)	22			(2,921		)	(2,382		)
Change in accretable yield	1,214			1,586			4,133			5,367
Balance at the end of the period	$	14,904		$	18,678		$	14,904		$	18,678

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Allowance for Loan Losses (Tables)

9 Months Ended

Sep. 30, 2016

Receivables [Abstract]

Schedule of changes in allowance for loan losses

The following tables detail the activity in the allowance for loan losses disaggregated by segment and class for the three and nine months ended September 30, 2016:

	Balance at Beginning of Period		Charge-offs			Recoveries		Provision for Loan Losses			Balance at End of Period
	(In thousands)
Three Months Ended September 30, 2016
Commercial business:
Commercial and industrial	$	9,970	$	(240	)	$	993	$	182		$	10,905
Owner-occupied commercial real estate	3,578		(88		)	—		222			3,712
Non-owner occupied commercial real estate	6,924		—			—		303			7,227
Total commercial business	20,472		(328		)	993		707			21,844
One-to-four family residential	950		—			—		26			976
Real estate construction and land development:
One-to-four family residential	754		—			—		96			850
Five or more family residential and commercial properties	1,277		—			—		5			1,282
Total real estate construction and land development	2,031		—			—		101			2,132
Consumer	4,816		(572		)	197		665			5,106
Unallocated	157		—			—		(4		)	153
Total	$	28,426	$	(900	)	$	1,190	$	1,495		$	30,211
Nine Months Ended September 30, 2016
Commercial business:
Commercial and industrial	$	9,972	$	(2,810	)	$	1,352	$	2,391		$	10,905
Owner-occupied commercial real estate	4,370		(538		)	—		(120		)	3,712
Non-owner occupied commercial real estate	7,722		(350		)	—		(145		)	7,227
Total commercial business	22,064		(3,698		)	1,352		2,126			21,844
One-to-four family residential	1,157		—			2		(183		)	976
Real estate construction and land development:
One-to-four family residential	1,058		(100		)	83		(191		)	850
Five or more family residential and commercial properties	813		(54		)	—		523			1,282
Total real estate construction and land development	1,871		(154		)	83		332			2,132
Consumer	4,309		(1,370		)	496		1,671			5,106
Unallocated	345		—			—		(192		)	153
Total	$	29,746	$	(5,222	)	$	1,933	$	3,754		$	30,211

The following table details the balance in the allowance for loan losses disaggregated on the basis of the Company's impairment method as of September 30, 2016.

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Allowance for Loan Losses
	(In thousands)
Commercial business:
Commercial and industrial	$	907	$	8,230	$	1,768	$	10,905
Owner-occupied commercial real estate	458		1,858		1,396		3,712
Non-owner occupied commercial real estate	832		4,564		1,831		7,227
Total commercial business	2,197		14,652		4,995		21,844
One-to-four family residential	81		595		300		976
Real estate construction and land development:
One-to-four family residential	4		582		264		850
Five or more family residential and commercial properties	176		963		143		1,282
Total real estate construction and land development	180		1,545		407		2,132
Consumer	49		3,878		1,179		5,106
Unallocated	—		153		—		153
Total	$	2,507	$	20,823	$	6,881	$	30,211

The following table details the recorded investment balance of the loan receivables disaggregated on the basis of the Company’s impairment method as of September 30, 2016:

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Gross Loans Receivable
	(In thousands)
Commercial business:
Commercial and industrial	$	8,864	$	618,417	$	10,801	$	638,082
Owner-occupied commercial real estate	4,570		556,173		17,404		578,147
Non-owner occupied commercial real estate	12,059		766,763		23,680		802,502
Total commercial business	25,493		1,941,353		51,885		2,018,731
One-to-four family residential	263		73,054		4,936		78,253
Real estate construction and land development:
One-to-four family residential	3,139		46,756		2,157		52,052
Five or more family residential and commercial properties	1,606		92,966		2,536		97,108
Total real estate construction and land development	4,745		139,722		4,693		149,160
Consumer	767		323,709		6,457		330,933
Total	$	31,268	$	2,477,838	$	67,971	$	2,577,077

The following tables detail activity in the allowance for loan losses disaggregated by segment and class for the three and nine months ended September 30, 2015.

	Balance at Beginning of Period		Charge-offs			Recoveries		Provision for Loan Losses			Balance at End of Period
	(In thousands)
Three Months Ended September 30, 2015
Commercial business:
Commercial and industrial	$	9,891	$	(70	)	$	59	$	494		$	10,374
Owner-occupied commercial real estate	4,587		—			—		(296		)	4,291
Non-owner occupied commercial real estate	6,146		—			—		592			6,738
Total commercial business	20,624		(70		)	59		790			21,403
One-to-four family residential	1,271		—			12		(88		)	1,195
Real estate construction and land development:
One-to-four family residential	1,462		—			—		79			1,541
Five or more family residential and commercial properties	1,062		—			—		(20		)	1,042
Total real estate construction and land development	2,524		—			—		59			2,583
Consumer	3,167		(278		)	152		174			3,215
Unallocated	692		—			—		(84		)	608
Total	$	28,278	$	(348	)	$	223	$	851		$	29,004
Nine Months Ended September 30, 2015
Commercial business:
Commercial and industrial	$	10,553	$	(1,392	)	$	447	$	766		$	10,374
Owner-occupied commercial real estate	4,032		—			—		259			4,291
Non-owner occupied commercial real estate	5,601		(188		)	—		1,325			6,738
Total commercial business	20,186		(1,580		)	447		2,350			21,403
One-to-four family residential	1,200		—			13		(18		)	1,195
Real estate construction and land development:
One-to-four family residential	1,786		(106		)	100		(239		)	1,541
Five or more family residential and commercial properties	972		—			—		70			1,042
Total real estate construction and land development	2,758		(106		)	100		(169		)	2,583
Consumer	2,769		(1,208		)	362		1,292			3,215
Unallocated	816		—			—		(208		)	608
Total	$	27,729	$	(2,894	)	$	922	$	3,247		$	29,004

The following table details the balance in the allowance for loan losses disaggregated on the basis of the Company's impairment method as of December 31, 2015.

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Allowance for Loan Losses
	(In thousands)
Commercial business:
Commercial and industrial	$	1,173	$	6,276	$	2,523	$	9,972
Owner-occupied commercial real estate	809		1,662		1,899		4,370
Non-owner occupied commercial real estate	943		4,336		2,443		7,722
Total commercial business	2,925		12,274		6,865		22,064
One-to-four family residential	85		546		526		1,157
Real estate construction and land development:
One-to-four family residential	66		481		511		1,058
Five or more family residential and commercial properties	203		519		91		813
Total real estate construction and land development	269		1,000		602		1,871
Consumer	29		3,189		1,091		4,309
Unallocated	—		345		—		345
Total	$	3,308	$	17,354	$	9,084	$	29,746

Schedule of loan receivables on the basis of impairment method

The following table details the recorded investment balance of the loan receivables disaggregated on the basis of the Company’s impairment method as of December 31, 2015:

	Loans Individually Evaluated for Impairment		Loans Collectively Evaluated for Impairment		PCI Loans		Total Gross Loans Receivable
	(In thousands)
Commercial business:
Commercial and industrial	$	9,641	$	570,099	$	16,986	$	596,726
Owner-occupied commercial real estate	4,295		546,001		22,313		572,609
Non-owner occupied commercial real estate	10,530		715,682		27,774		753,986
Total commercial business	24,466		1,831,782		67,073		1,923,321
One-to-four family residential	275		66,881		5,392		72,548
Real estate construction and land development:
One-to-four family residential	3,468		44,163		4,121		51,752
Five or more family residential and commercial properties	1,960		50,158		3,207		55,325
Total real estate construction and land development	5,428		94,321		7,328		107,077
Consumer	193		290,848		7,126		298,167
Total	$	30,362	$	2,283,832	$	86,919	$	2,401,113

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Other Real Estate Owned (Tables)

9 Months Ended

Sep. 30, 2016

Real Estate [Abstract]

Changes in other real estate owned

Changes in other real estate owned during the three and nine months ended September 30, 2016 and 2015 were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In thousands)
Balance at the beginning of the period	$	1,560		$	3,017		$	2,019		$	3,355
Additions	25			611			677			2,424
Proceeds from dispositions	(1,716		)	(1,560		)	(2,486		)	(3,199		)
Gain (loss) on sales, net	131			3			173			(94		)
Valuation adjustment	—			—			(383		)	(415		)
Balance at the end of the period	$	—		$	2,071		$	—		$	2,071

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Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Change in other intangible assets

The following table presents the change in the other intangible assets for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(In thousands)
Balance at the beginning of the period	$	8,091	$	9,835	$	8,789	$	10,889
Less: Amortization	359		523		1,057		1,577
Balance at the end of the period	$	7,732	$	9,312	$	7,732	$	9,312

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Other Borrowings (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule of FHLB advances

The following table sets forth the details of FHLB advances during the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(Dollars in thousands)
Average balance during the period	$	5,618		$	—		$	11,608		$	2,267
Maximum month-end balance during the period	$	17,700		$	—		$	57,300		$	48,200
Weighted average rate during the period	0.57		%	—		%	0.54		%	0.29		%

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of notional amounts and estimated fair values of interest rate derivative contracts

The notional amounts and estimated fair values of interest rate derivative contracts outstanding at September 30, 2016 and December 31, 2015 are presented in the following table.

	September 30, 2016						December 31, 2015
	Notional Amounts			Estimated Fair Value			Notional Amounts			Estimated Fair Value
	(In thousands)
Non-hedging interest rate derivatives
Interest rate swaps with customer	$	68,450		$	3,336		$	20,750		$	543
Interest rate swap with third party	(68,450		)	(3,336		)	(20,750		)	(543		)

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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

Stockholders' Equity Note [Abstract]

Schedule of earnings per share reconciliation

The following table illustrates the reconciliation of weighted average shares used for earnings per common share computations for the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(Dollars in thousands)
Net income:
Net income	$	11,039		$	9,492		$	29,025		$	27,996
Less: Dividends and undistributed earnings allocated to participating securities	(102		)	(84		)	(280		)	(247		)
Net income allocated to common shareholders	$	10,937		$	9,408		$	28,745		$	27,749
Basic:
Weighted average common shares outstanding	29,962,270			29,960,133			29,968,034			30,086,057
Less: Restricted stock awards	(277,495		)	(263,404		)	(292,832		)	(268,999		)
Total basic weighted average common shares outstanding	29,684,775			29,696,729			29,675,202			29,817,058
Diluted:
Basic weighted average common shares outstanding	29,684,775			29,696,729			29,675,202			29,817,058
Incremental shares from stock options	11,031			22,395			12,543			22,718
Total diluted weighted average common shares outstanding	29,695,806			29,719,124			29,687,745			29,839,776

Schedule of dividends activity

The following table summarizes the dividend activity for the nine months ended September 30, 2016 and calendar year 2015.

Declared	Cash Dividend per Share	Record Date	Paid Date
January 28, 2015	$0.10	February 10, 2015	February 24, 2015
April 22, 2015	$0.11	May 7, 2015	May 21, 2015
July 22, 2015	$0.11	August 6, 2015	August 20, 2015
October 21, 2015	$0.11	November 4, 2015	November 18, 2015
October 21, 2015	$0.10	November 4, 2015	November 18, 2015	*
January 27, 2016	$0.11	February 10, 2016	February 24, 2016
April 20, 2016	$0.12	May 5, 2016	May 19, 2016
July 20, 2016	$0.12	August 4, 2016	August 18, 2016

* Denotes a special dividend.

Schedule of repurchased shares

The following table provides total repurchased shares and average share prices under the plan for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015		Plan Total (1)
Eleventh Plan
Repurchased shares	38,000		—		138,000		441,966		579,996
Stock repurchase average share price	$	17.46	$	—	$	17.16	$	16.64	$	16.76

(1) Represents shares repurchased and average price per share paid during the duration of the plan.

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Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Changes in accumulated other comprehensive income (AOCI) by component

The changes in accumulated other comprehensive income (“AOCI”) by component, during the three and nine months ended September 30, 2016 and 2015 are as follows:

	Three Months Ended September 30, 2016 (1)			Nine Months Ended September 30, 2016 (1)
	(In thousands)
Balance of AOCI at the beginning of period	$	12,343		$	2,559
Other comprehensive (loss) income before reclassification	(1,055		)	9,223
Amounts reclassified from AOCI for gain on sale of investment securities included in net income	(224		)	(718		)
Net current period other comprehensive (loss) income	(1,279		)	8,505
Balance of AOCI at the end of period	$	11,064		$	11,064

⁽¹⁾  All amounts are due to the changes in fair value of available for sale securities and are net of tax.

	Three Months Ended September 30, 2015			Nine Months Ended September 30, 2015
	Total (1)(2)			Changes in fair value of available for sale securities (2)			Accretion of other-than- temporary impairment on held to maturity securities (2)			Total (2)
	(In thousands)
Balance of AOCI at the beginning of period	$	2,198		$	3,567		$	(189	)	$	3,378
Other comprehensive income before reclassification	3,064			2,407			108			2,515
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income	(255		)	(967		)	81			(886		)
Net current period other comprehensive income	2,809			1,440			189			1,629
Balance of AOCI at the end of period	$	5,007		$	5,007		$	—		$	5,007

⁽¹⁾  All amounts are due to the changes in fair value of available for sale securities.

⁽²⁾  All amounts are net of tax.

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Share-based Compensation [Abstract]

Schedule of stock option activity

The following table summarizes the stock option activity for the nine months ended September 30, 2016 and 2015:

	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term (In years)	Aggregate Intrinsic Value (In thousands)
Outstanding at December 31, 2014	156,407		$	13.59
Exercised	(53,198	)	12.45
Forfeited or expired	(12,278	)	16.73
Outstanding at September 30, 2015	90,931		$	13.84	3.05	$	456
Outstanding at December 31, 2015	79,408		$	14.19
Exercised	(27,867	)	14.37
Forfeited or expired	(4,200	)	16.80
Outstanding, vested and expected to vest and exercisable at September 30, 2016	47,341		$	13.85	2.80	$	194

Schedule of restricted stock award activity

The following tables summarize the restricted and unrestricted stock award activity for the nine months ended September 30, 2016 and 2015:

	Shares		Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2014	238,669		$	15.20
Granted	121,320		16.72
Vested	(91,642	)	15.12
Forfeited	(2,837	)	15.71
Nonvested at September 30, 2015	265,510		$	15.92
Nonvested at December 31, 2015	264,521		15.92
Granted	119,939		17.53
Vested	(111,357	)	15.62
Forfeited	(9,216	)	16.57
Nonvested at September 30, 2016	263,887		$	16.76

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Fair Value Disclosures [Abstract]

Fair value measurements of assets on a recurring basis

The following tables summarize the balances of assets and liabilities measured at fair value on a recurring basis as of September 30, 2016 and December 31, 2015.

	September 30, 2016
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Investment securities available for sale:
U.S. Treasury and U.S. Government-sponsored agencies	$	5,594	$	593	$	5,001	$	—
Municipal securities	245,704		—		245,704		—
Mortgage backed securities and collateralized mortgage obligations:
Residential	342,757		—		342,757		—
Commercial	197,837		—		197,837		—
Collateralized loan obligations	13,989		—		13,989		—
Corporate obligations	13,183		—		13,183		—
Other equities	95		95		—		—
Total investment securities available for sale	$	819,159	$	688	$	818,471	$	—
Derivative assets - interest rate swaps	$	3,336	$	—	$	3,336	$	—
Liabilities
Derivative liabilities - interest rate swaps	$	3,336	$	—	$	3,336	$	—

	December 31, 2015
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets
Investment securities available for sale:
U.S. Treasury and U.S. Government-sponsored agencies	$	35,577	$	15,676	$	19,901	$	—
Municipal securities	220,993		—		220,993		—
Mortgage backed securities and collateralized mortgage obligations:
Residential	352,024		—		352,024		—
Commercial	179,011		—		179,011		—
Collateralized loan obligations	15,097		—		15,097		—
Corporate obligations	9,113		—		9,113		—
Other equities	54		54		—		—
Total investment securities available for sale	$	811,869	$	15,730	$	796,139	$	—
Derivative assets - interest rate swaps	$	543	$	—	$	543	$	—
Liabilities
Derivative liabilities - interest rate swaps	$	543	$	—	$	543	$	—

Fair value measurements of assets on a nonrecurring basis

The tables below represent assets measured at fair value on a nonrecurring basis at September 30, 2016 and December 31, 2015 and the net losses (gains) recorded in earnings during three and nine months ended September 30, 2016 and 2015.

	Basis(1)		Fair Value at September 30, 2016
			Total		Level 1		Level 2		Level 3		Net Losses (Gains) Recorded in Earnings  During the Three Months Ended September 30, 2016			Net Losses (Gains) Recorded in Earnings  During the Nine Months Ended September 30, 2016
	(In thousands)
Impaired loans:
Commercial business:
Commercial and industrial	$	225	$	167	$	—	$	—	$	167	$	24		$	25
Owner-occupied commercial real estate	631		609		—		—		609		23			(2		)
Total commercial business	856		776		—		—		776		47			23
Real estate construction and land development:
One-to-four family residential	829		825		—		—		825		(13		)	(26		)
Total real estate construction and land development	829		825		—		—		825		(13		)	(26		)
Total impaired loans and assets measured at fair value on nonrecurring basis	$	1,685	$	1,601	$	—	$	—	$	1,601	$	34		$	(3	)

⁽¹⁾ Basis represents the unpaid principal balance of impaired loans.

	Basis(1)		Fair Value at December 31, 2015
			Total		Level 1		Level 2		Level 3		Net Losses (Gains) Recorded in Earnings  During the Three Months Ended September 30, 2015		Net Losses (Gains) Recorded in Earnings  During the Nine Months Ended September 30, 2015
	(In thousands)
Total assets measured at fair value on a nonrecurring basis (2)	$	1,753	$	1,719	$	—	$	—	$	1,719	$	—	$	102

⁽¹⁾  Basis represents the unpaid principal balance of impaired loans.

⁽²⁾  The only assets measured at December 31, 2015 were one-to-four family residential real estate construction and land development impaired loans.

Fair value measurements for financial instruments measured at fair value on a non-recurring basis

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis at September 30, 2016 and December 31, 2015.

	September 30, 2016
	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range of Inputs; Weighted Average
	(Dollars in thousands)
Impaired loans	$	1,601	Market approach	Adjustment for differences between the comparable sales	(17.2%) - 63.9%; 22.5%

	December 31, 2015
	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range of Inputs; Weighted Average
	(Dollars in thousands)
Impaired loans	$	1,719	Market approach	Adjustment for differences between the comparable sales	(30.0%) - 63.9%; 24.5%

Schedule of carrying value and fair value of financial instruments

The tables below present the carrying value amount of the Company’s financial instruments and their corresponding estimated fair values at the dates indicated.

	September 30, 2016
	Carrying Value		Fair Value		Fair Value Measurements Using:
					Level 1		Level 2		Level 3
	(In thousands)
Assets
Cash and cash equivalents	$	112,760	$	112,760	$	112,760	$	—	$	—
Other interest earning deposits	5,461		5,489		—		5,489		—
Investment securities available for sale	819,159		819,159		688		818,471		—
Federal Home Loan Bank stock	5,088		N/A		N/A		N/A		N/A
Loans held for sale	8,964		9,223		—		9,223		—
Total loans receivable, net	2,548,766		2,634,175		—		—		2,634,175
Accrued interest receivable	11,327		11,327		1		3,775		7,551
Derivative assets - interest rate swaps	3,336		3,336		—		3,336		—
Liabilities
Deposits:
Noninterest deposits, NOW accounts, money market accounts and savings accounts	$	2,873,777	$	2,873,777	$	2,873,777	$	—	$	—
Certificate of deposit accounts	368,644		368,731		—		368,731		—
Total deposits	$	3,242,421	$	3,242,508	$	2,873,777	$	368,731	$	—
Federal Home Loan Bank advances	$	17,700	$	17,700	$	—	$	17,700	$	—
Securities sold under agreement to repurchase	$	22,425	$	22,425	$	22,425	$	—	$	—
Junior subordinated debentures	19,644		16,250		—		—		16,250
Accrued interest payable	164		164		44		94		26
Derivative liabilities - interest rate swaps	3,336		3,336		—		3,336		—

	December 31, 2015
	Carrying Value		Fair Value		Fair Value Measurements Using:
					Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and cash equivalents	$	126,640	$	126,640	$	126,640	$	—	$	—
Other interest earning deposits	6,719		6,723		—		6,723		—
Investment securities available for sale	811,869		811,869		15,730		796,139		—
Federal Home Loan Bank stock	4,148		N/A		N/A		N/A		N/A
Loans held for sale	7,682		7,883		—		7,883		—
Loans receivable, net of allowance for loan losses	2,372,296		2,441,531		—		—		2,441,531
Accrued interest receivable	10,469		10,469		5		3,335		7,129
Derivative assets - interest rate swaps	543		543		—		543		—
Financial Liabilities:
Deposits:
Noninterest deposits, NOW accounts, money market accounts and savings accounts	$	2,687,954	$	2,687,954	$	2,687,954	$	—	$	—
Certificate of deposit accounts	420,333		423,352		—		423,352		—
Total deposits	$	3,108,287	$	3,111,306	$	2,687,954	$	423,352	$	—
Securities sold under agreement to repurchase	$	23,214	$	23,214	$	23,214	$	—	$	—
Junior subordinated debentures	19,424		15,000		—		—		15,000
Accrued interest payable	207		207		50		133		24
Derivative liabilities - interest rate swaps	543		543		—		543		—

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Description of Business, Basis of Presentation and Significant Accounting Policies and Recent Issued Accounting Policies (Details)	Sep. 30, 2016 USD ($) Branch	Dec. 31, 2015 USD ($)	Dec. 31, 2007 USD ($)
Business Description and Basis of Presentation [Line Items]
Issued amount			$ 25,000,000.0
Investment securities available for sale, at fair value	$ 819,159,000	$ 811,869,000
Investment securities available for sale, amortized cost	$ 802,111,000	807,921,000
Heritage Bank
Business Description and Basis of Presentation [Line Items]
Number of branches operating | Branch	63
Commercial
Business Description and Basis of Presentation [Line Items]
Investment securities available for sale, at fair value	$ 197,837,000	179,011,000
Investment securities available for sale, amortized cost	$ 194,666,000	$ 179,797,000

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Investment Securities - Amortized Cost, Gross Unrealized Gains and Losses and Fair Values (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Investment Holdings [Line Items]
Amortized Cost	$ 802,111	$ 807,921
Gross Unrealized Gains	17,880	7,072
Gross Unrealized Losses	(832)	(3,124)
Fair Value	819,159	811,869
U.S. Treasury and U.S. Government-sponsored agencies
Investment Holdings [Line Items]
Amortized Cost	5,565	35,618
Gross Unrealized Gains	29	145
Gross Unrealized Losses	0	(186)
Fair Value	5,594	35,577
Municipal securities
Investment Holdings [Line Items]
Amortized Cost	236,913	216,352
Gross Unrealized Gains	9,169	4,826
Gross Unrealized Losses	(378)	(185)
Fair Value	245,704	220,993
Residential
Investment Holdings [Line Items]
Amortized Cost	337,689	351,606
Gross Unrealized Gains	5,340	1,749
Gross Unrealized Losses	(272)	(1,331)
Fair Value	342,757	352,024
Commercial
Investment Holdings [Line Items]
Amortized Cost	194,666	179,797
Gross Unrealized Gains	3,276	343
Gross Unrealized Losses	(105)	(1,129)
Fair Value	197,837	179,011
Collateralized loan obligations
Investment Holdings [Line Items]
Amortized Cost	14,032	15,251
Gross Unrealized Gains	9	0
Gross Unrealized Losses	(52)	(154)
Fair Value	13,989	15,097
Corporate obligations
Investment Holdings [Line Items]
Amortized Cost	13,201	9,252
Gross Unrealized Gains	7	0
Gross Unrealized Losses	(25)	(139)
Fair Value	13,183	9,113
Other equities
Investment Holdings [Line Items]
Amortized Cost	45	45
Gross Unrealized Gains	50	9
Gross Unrealized Losses	0	0
Fair Value	$ 95	$ 54

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Investment Securities - Contractual Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Amortized Cost
Due in one year or less	$ 3,564
Due after one year through five years	121,014
Due after five years through ten years	232,087
Due after ten years	445,401
Investment securities with no stated maturities	45
Amortized Cost	802,111	$ 807,921
Fair Value
Due in one year or less	3,578
Due after one year through five years	123,124
Due after five years through ten years	237,820
Due after ten years	454,542
Investment securities with no stated maturities	95
Fair Value	$ 819,159	$ 811,869

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Investment Securities - Unrealized Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Less than 12 Months	$ 93,888	$ 328,603
12 Months or Longer	40,808	46,985
Total	134,696	375,588
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses
Less than 12 Months	(606)	(2,611)
12 Months or Longer	(226)	(513)
Total	(832)	(3,124)
U.S. Treasury and U.S. Government-sponsored agencies
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Less than 12 Months		30,381
12 Months or Longer		0
Total		30,381
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses
Less than 12 Months		(186)
12 Months or Longer		0
Total		(186)
Municipal securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Less than 12 Months	22,030	21,929
12 Months or Longer	0	2,068
Total	22,030	23,997
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses
Less than 12 Months	(378)	(174)
12 Months or Longer	0	(11)
Total	(378)	(185)
Residential
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Less than 12 Months	27,459	173,959
12 Months or Longer	17,416	39,891
Total	44,875	213,850
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses
Less than 12 Months	(128)	(870)
12 Months or Longer	(144)	(461)
Total	(272)	(1,331)
Commercial
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Less than 12 Months	38,378	79,103
12 Months or Longer	8,240	4,047
Total	46,618	83,150
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses
Less than 12 Months	(79)	(1,117)
12 Months or Longer	(26)	(12)
Total	(105)	(1,129)
Collateralized loan obligations
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Less than 12 Months	0	15,097
12 Months or Longer	11,130	0
Total	11,130	15,097
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses
Less than 12 Months	0	(154)
12 Months or Longer	(52)	0
Total	(52)	(154)
Corporate obligations
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Less than 12 Months	6,021	8,134
12 Months or Longer	4,022	979
Total	10,043	9,113
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses
Less than 12 Months	(21)	(110)
12 Months or Longer	(4)	(29)
Total	$ (25)	$ (139)

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Investment Securities (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) loan	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($) loan	Dec. 31, 2015 USD ($)
Investments, Debt and Equity Securities [Abstract]
Securities classified as trading	$ 0			$ 0
OTTI, unrealized losses		$ 0	$ 0
Private residential collateralized mortgage obligations
Investment Holdings [Line Items]
Mortgage backed securities evaluation non temporary decline number (securities) | loan	0		0

XML

Investment Securities - Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	$ 249,727	$ 243,456
Fair Value	256,531	246,453
Washington and Oregon state to secure public deposits
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	220,203	212,325
Fair Value	226,536	215,284
Federal Reserve Bank of San Francisco and Federal Home Loan Bank to secure borrowing arrangements
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	0	506
Fair Value	0	506
Repurchase agreements
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	25,934	28,500
Fair Value	26,312	28,503
Other securities pledged
Scheduled of amortized cost and fair value of securities pledged as collateral
Amortized Cost	3,590	2,125
Fair Value	$ 3,683	$ 2,160

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Loans Receivable - Loan Origination/Risk Management (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) Segment	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loan segments | Segment	4
Maximum percentage consumer loans (percent)	80.00%
Gross loans receivable	$ 2,577,077		$ 2,401,113
Net deferred loan costs	1,900		929
Loans receivable, net	2,578,977		2,402,042
Allowance for loan losses	(30,211)	$ (28,426)	(29,746)	$ (29,004)	$ (28,278)	$ (27,729)
Total loans receivable, net	2,548,766		2,372,296
Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	2,018,731		1,923,321
Allowance for loan losses	(21,844)	(20,472)	(22,064)	(21,403)	(20,624)	(20,186)
Commercial Business | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	638,082		596,726
Allowance for loan losses	(10,905)	(9,970)	(9,972)	(10,374)	(9,891)	(10,553)
Commercial Business | Owner-occupied Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	578,147		572,609
Allowance for loan losses	(3,712)	(3,578)	(4,370)	(4,291)	(4,587)	(4,032)
Commercial Business | Non-owner Occupied Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	802,502		753,986
Allowance for loan losses	$ (7,227)	(6,924)	(7,722)	(6,738)	(6,146)	(5,601)
One-to-four Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum percent of appraised value or underlying collateral mortgage (not to exceed 80%) residential loans (percent)	80.00%
Gross loans receivable	$ 78,253		72,548
Allowance for loan losses	(976)	(950)	(1,157)	(1,195)	(1,271)	(1,200)
Real Estate Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	149,160		107,077
Allowance for loan losses	(2,132)	(2,031)	(1,871)	(2,583)	(2,524)	(2,758)
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	52,052		51,752
Allowance for loan losses	(850)	(754)	(1,058)	(1,541)	(1,462)	(1,786)
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	97,108		55,325
Allowance for loan losses	(1,282)	(1,277)	(813)	(1,042)	(1,062)	(972)
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans receivable	330,933		298,167
Allowance for loan losses	$ (5,106)	$ (4,816)	$ (4,309)	$ (3,215)	$ (3,167)	$ (2,769)
Minimum | One-to-four Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan term	15 years
Maximum | One-to-four Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan term	30 years

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Loans Receivable - Concentrations of Credit (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015 Loan
Receivables [Abstract]
Concentration of loans greater than 10%	0	0
Percentage of concentrations of loans in any industry (in excess of 10%) (percent)	10.00%	10.00%

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Loans Receivable - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Pass	$ 2,449,272	$ 2,265,286
OAEM	30,045	44,098
Substandard	97,443	91,173
Doubtful	317	556
Total	2,577,077	2,401,113
Potential problem loans receivable	101,000	110,400
Government guaranteed potential problem loans	2,200	3,000
Commercial Business
Financing Receivable, Recorded Investment [Line Items]
Pass	1,908,856	1,807,190
OAEM	28,163	43,202
Substandard	81,395	72,373
Doubtful	317	556
Total	2,018,731	1,923,321
Commercial Business | Commercial and Industrial
Financing Receivable, Recorded Investment [Line Items]
Pass	599,694	563,002
OAEM	5,952	8,093
Substandard	32,376	25,333
Doubtful	60	298
Total	638,082	596,726
Commercial Business | Owner-occupied Commercial Real Estate
Financing Receivable, Recorded Investment [Line Items]
Pass	550,065	544,429
OAEM	6,412	11,662
Substandard	21,413	16,260
Doubtful	257	258
Total	578,147	572,609
Commercial Business | Non-owner Occupied Commercial Real Estate
Financing Receivable, Recorded Investment [Line Items]
Pass	759,097	699,759
OAEM	15,799	23,447
Substandard	27,606	30,780
Doubtful	0	0
Total	802,502	753,986
One-to-four Family Residential
Financing Receivable, Recorded Investment [Line Items]
Pass	76,735	71,457
OAEM	0	0
Substandard	1,518	1,091
Doubtful	0	0
Total	78,253	72,548
Real Estate Construction and Land Development
Financing Receivable, Recorded Investment [Line Items]
Pass	137,849	94,747
OAEM	1,828	896
Substandard	9,483	11,434
Doubtful	0	0
Total	149,160	107,077
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Financing Receivable, Recorded Investment [Line Items]
Pass	45,287	44,069
OAEM	824	896
Substandard	5,941	6,787
Doubtful	0	0
Total	52,052	51,752
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Financing Receivable, Recorded Investment [Line Items]
Pass	92,562	50,678
OAEM	1,004	0
Substandard	3,542	4,647
Doubtful	0	0
Total	97,108	55,325
Consumer
Financing Receivable, Recorded Investment [Line Items]
Pass	325,832	291,892
OAEM	54	0
Substandard	5,047	6,275
Doubtful	0	0
Total	$ 330,933	$ 298,167

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Loans Receivable - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	$ 11,540	$ 9,668
Nonaccrual originated loans guaranteed by governmental agencies	3,000	1,300
Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	8,816	7,122
Commercial Business | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	3,849	5,095
Commercial Business | Owner-occupied Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	2,984	2,027
Commercial Business | Non-owner Occupied Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	1,983	0
One-to-four Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	35	38
Real Estate Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	2,008	2,414
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	2,008	2,414
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	0	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross nonaccrual loans	$ 681	$ 94

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Loans Receivable - Past Due Loans (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 11,891,000	$ 19,062,000
Current	2,565,186,000	2,382,051,000
Total	2,577,077,000	2,401,113,000
90 Days or More and Still Accruing	0	0
30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	5,387,000	10,954,000
90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	6,504,000	8,108,000
Commercial Business
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	8,428,000	12,789,000
Current	2,010,303,000	1,910,532,000
Total	2,018,731,000	1,923,321,000
Commercial Business | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3,409,000	7,317,000
Commercial Business | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	5,019,000	5,472,000
Commercial Business | Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,752,000	5,579,000
Current	636,330,000	591,147,000
Total	638,082,000	596,726,000
Commercial Business | Commercial and Industrial | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	587,000	2,900,000
Commercial Business | Commercial and Industrial | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,165,000	2,679,000
Commercial Business | Owner-occupied Commercial Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3,934,000	4,849,000
Current	574,213,000	567,760,000
Total	578,147,000	572,609,000
Commercial Business | Owner-occupied Commercial Real Estate | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,063,000	2,240,000
Commercial Business | Owner-occupied Commercial Real Estate | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,871,000	2,609,000
Commercial Business | Non-owner Occupied Commercial Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,742,000	2,361,000
Current	799,760,000	751,625,000
Total	802,502,000	753,986,000
Commercial Business | Non-owner Occupied Commercial Real Estate | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	759,000	2,177,000
Commercial Business | Non-owner Occupied Commercial Real Estate | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,983,000	184,000
One-to-four Family Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	112,000	490,000
Current	78,141,000	72,058,000
Total	78,253,000	72,548,000
One-to-four Family Residential | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	112,000	490,000
One-to-four Family Residential | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Real Estate Construction and Land Development
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,324,000	2,552,000
Current	147,836,000	104,525,000
Total	149,160,000	107,077,000
Real Estate Construction and Land Development | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	459,000	118,000
Real Estate Construction and Land Development | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	865,000	2,434,000
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	865,000	2,392,000
Current	51,187,000	49,360,000
Total	52,052,000	51,752,000
Real Estate Construction and Land Development | One to Four Family Real Estate Construction | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Real Estate Construction and Land Development | One to Four Family Real Estate Construction | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	865,000	2,392,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	459,000	160,000
Current	96,649,000	55,165,000
Total	97,108,000	55,325,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	459,000	118,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	42,000
Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,027,000	3,231,000
Current	328,906,000	294,936,000
Total	330,933,000	298,167,000
Consumer | 30-89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,407,000	3,029,000
Consumer | 90 Days or Greater
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 620,000	$ 202,000

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Loans Receivable - Impaired Loans (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	$ 11,872,000		$ 11,872,000		$ 6,019,000
Recorded Investment With Specific Valuation Allowance	19,396,000		19,396,000		24,343,000
Total Recorded Investment	31,268,000		31,268,000		30,362,000
Unpaid Contractual Principal Balance	33,234,000		33,234,000		32,774,000
Related Specific Valuation Allowance	2,507,000		2,507,000		3,308,000
Government guarantee of originated impaired loans	3,700,000		3,700,000		1,800,000
Average recorded investment on impaired loans	32,231,000	$ 29,884,000	32,715,000	$ 30,808,000
Nonaccrual
Financing Receivable, Impaired [Line Items]
Interest income recognized on impaired loans	0	0	0	0
Restructured Performing
Financing Receivable, Impaired [Line Items]
Interest income recognized on impaired loans	156,000	278,000	501,000	905,000
Commercial Business
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	8,986,000		8,986,000		4,568,000
Recorded Investment With Specific Valuation Allowance	16,507,000		16,507,000		19,898,000
Total Recorded Investment	25,493,000		25,493,000		24,466,000
Unpaid Contractual Principal Balance	26,510,000		26,510,000		26,249,000
Related Specific Valuation Allowance	2,197,000		2,197,000		2,925,000
Average recorded investment on impaired loans	26,285,000	23,830,000	26,542,000	23,820,000
Commercial Business | Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	2,544,000		2,544,000		872,000
Recorded Investment With Specific Valuation Allowance	6,320,000		6,320,000		8,769,000
Total Recorded Investment	8,864,000		8,864,000		9,641,000
Unpaid Contractual Principal Balance	9,470,000		9,470,000		11,368,000
Related Specific Valuation Allowance	907,000		907,000		1,173,000
Average recorded investment on impaired loans	9,625,000	8,692,000	9,750,000	10,776,000
Commercial Business | Owner-occupied Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	847,000		847,000		0
Recorded Investment With Specific Valuation Allowance	3,723,000		3,723,000		4,295,000
Total Recorded Investment	4,570,000		4,570,000		4,295,000
Unpaid Contractual Principal Balance	4,927,000		4,927,000		4,342,000
Related Specific Valuation Allowance	458,000		458,000		809,000
Average recorded investment on impaired loans	4,553,000	4,882,000	4,560,000	4,151,000
Commercial Business | Non-owner Occupied Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	5,595,000		5,595,000		3,696,000
Recorded Investment With Specific Valuation Allowance	6,464,000		6,464,000		6,834,000
Total Recorded Investment	12,059,000		12,059,000		10,530,000
Unpaid Contractual Principal Balance	12,113,000		12,113,000		10,539,000
Related Specific Valuation Allowance	832,000		832,000		943,000
Average recorded investment on impaired loans	12,107,000	10,256,000	12,232,000	8,893,000
One-to-four Family Residential
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	0		0		0
Recorded Investment With Specific Valuation Allowance	263,000		263,000		275,000
Total Recorded Investment	263,000		263,000		275,000
Unpaid Contractual Principal Balance	266,000		266,000		276,000
Related Specific Valuation Allowance	81,000		81,000		85,000
Average recorded investment on impaired loans	265,000	259,000	267,000	315,000
Real Estate Construction and Land Development
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	2,310,000		2,310,000		1,403,000
Recorded Investment With Specific Valuation Allowance	2,435,000		2,435,000		4,025,000
Total Recorded Investment	4,745,000		4,745,000		5,428,000
Unpaid Contractual Principal Balance	5,430,000		5,430,000		6,049,000
Related Specific Valuation Allowance	180,000		180,000		269,000
Average recorded investment on impaired loans	4,796,000	5,636,000	4,999,000	6,344,000
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	2,310,000		2,310,000		1,403,000
Recorded Investment With Specific Valuation Allowance	829,000		829,000		2,065,000
Total Recorded Investment	3,139,000		3,139,000		3,468,000
Unpaid Contractual Principal Balance	3,824,000		3,824,000		4,089,000
Related Specific Valuation Allowance	4,000		4,000		66,000
Average recorded investment on impaired loans	3,177,000	3,639,000	3,253,000	4,312,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	0		0		0
Recorded Investment With Specific Valuation Allowance	1,606,000		1,606,000		1,960,000
Total Recorded Investment	1,606,000		1,606,000		1,960,000
Unpaid Contractual Principal Balance	1,606,000		1,606,000		1,960,000
Related Specific Valuation Allowance	176,000		176,000		203,000
Average recorded investment on impaired loans	1,619,000	1,997,000	1,746,000	2,032,000
Consumer
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Valuation Allowance	576,000		576,000		48,000
Recorded Investment With Specific Valuation Allowance	191,000		191,000		145,000
Total Recorded Investment	767,000		767,000		193,000
Unpaid Contractual Principal Balance	1,028,000		1,028,000		200,000
Related Specific Valuation Allowance	49,000		49,000		$ 29,000
Average recorded investment on impaired loans	$ 885,000	$ 159,000	$ 907,000	$ 329,000

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Loans Receivable - TDR Loans, Recorded Investment and Allowance (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Receivables [Abstract]
Performing TDRs, TDR loans	$ 19,728,000	$ 20,695,000
Nonaccrual TDRs, TDR loans	5,073,000	6,301,000
Performing TDRs, Allowance for loan losses on TDR loans	1,833,000	2,069,000
Nonaccrual TDRs, Allowance for loan losses on TDR loans	450,000	679,000
Unfunded commitments related to credits classified as TDRs	$ 269,000	$ 551,000

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Loans Receivable - Modified TDRs (Details) - Troubled Debt Restructured Loans	3 Months Ended				9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2016 loan	Sep. 30, 2016 contract	Sep. 30, 2015 USD ($) loan contract	Sep. 30, 2016 USD ($)	Sep. 30, 2016 loan	Sep. 30, 2016 contract	Sep. 30, 2015 USD ($)	Sep. 30, 2015 loan	Sep. 30, 2015 contract
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts		19	19	15		30	30		51	51
Outstanding Principal Balance	$ 7,624,000			$ 6,869,000	$ 8,259,000			$ 27,518,000
Number of contracts with no modifications | loan		8		6		15			27
Total outstanding principal balance with no prior modifications	1,400,000			$ 2,300,000	1,700,000			8,800,000
Modified During the Quarter
Loans Modified as Troubled Debt Restructurings [Abstract]
Loans modified as TDRs, specific valuation allowance					639,000
Commercial Business
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			11	13			18			42
Outstanding Principal Balance	3,718,000			$ 5,782,000	4,309,000			24,278,000
Commercial Business | Non-owner Occupied Commercial Real Estate
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			1	1			1			6
Outstanding Principal Balance	818,000			$ 1,082,000	818,000			15,634,000
Commercial Business | Owner-occupied Commercial Real Estate
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			2	2			2			7
Outstanding Principal Balance	576,000			$ 1,102,000	576,000			2,201,000
Commercial Business | Commercial and Industrial
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			8	10			15			29
Outstanding Principal Balance	2,324,000			$ 3,598,000	2,915,000			6,443,000
Number of contracts modified | loan				2		0			1
Outstanding principal balance of contracts modified	1			$ 1,900,000				98,000
Real Estate Construction and Land Development
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			6	2			6			7
Outstanding Principal Balance	3,880,000			$ 1,087,000	3,880,000			3,096,000
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			1	0			1			1
Outstanding Principal Balance	1,606,000			$ 0	1,606,000			415,000
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			5	2			5			6
Outstanding Principal Balance	2,274,000			$ 1,087,000	2,274,000			2,681,000
Consumer
Loans Modified as Troubled Debt Restructurings [Abstract]
Number of Contracts | contract			2	0			6			2
Outstanding Principal Balance	$ 26,000			$ 0	$ 70,000			$ 144,000

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Loans Receivable - Purchased Credit Impaired Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Outstanding Principal	$ 75,962	$ 97,927
Recorded Investment	67,971	86,919
Commercial Business
Financing Receivable, Impaired [Line Items]
Outstanding Principal	59,574	75,525
Recorded Investment	51,885	67,073
Commercial Business | Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Outstanding Principal	14,931	20,110
Recorded Investment	10,801	16,986
Commercial Business | Owner-occupied Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Outstanding Principal	19,218	24,730
Recorded Investment	17,404	22,313
Commercial Business | Non-owner Occupied Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Outstanding Principal	25,425	30,685
Recorded Investment	23,680	27,774
One-to-four Family Residential
Financing Receivable, Impaired [Line Items]
Outstanding Principal	5,168	5,707
Recorded Investment	4,936	5,392
Real Estate Construction and Land Development
Financing Receivable, Impaired [Line Items]
Outstanding Principal	5,684	9,975
Recorded Investment	4,693	7,328
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Financing Receivable, Impaired [Line Items]
Outstanding Principal	3,036	6,904
Recorded Investment	2,157	4,121
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Financing Receivable, Impaired [Line Items]
Outstanding Principal	2,648	3,071
Recorded Investment	2,536	3,207
Consumer
Financing Receivable, Impaired [Line Items]
Outstanding Principal	5,536	6,720
Recorded Investment	$ 6,457	$ 7,126

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Loans Receivable - Change in Accretable Yield (Details) - PCI Loans - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at the beginning of the period	$ 15,359	$ 18,731	$ 17,592	$ 21,092
Accretion	(1,178)	(1,661)	(3,900)	(5,399)
Disposals and other	(491)	22	(2,921)	(2,382)
Change in accretable yield	1,214	1,586	4,133	5,367
Balance at the end of the period	$ 14,904	$ 18,678	$ 14,904	$ 18,678

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Allowance for Loan Losses - Summary of Changes in Loan Allowance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Schedule of changes in allowance for loan losses
Balance at the beginning of period	$ 28,426	$ 28,278	$ 29,746	$ 27,729
Charge-offs	(900)	(348)	(5,222)	(2,894)
Recoveries of loans previously charged -off	1,190	223	1,933	922
Provision for loan losses	1,495	851	3,754	3,247
Balance at the end of period	30,211	29,004	30,211	29,004
Commercial Business
Schedule of changes in allowance for loan losses
Balance at the beginning of period	20,472	20,624	22,064	20,186
Charge-offs	(328)	(70)	(3,698)	(1,580)
Recoveries of loans previously charged -off	993	59	1,352	447
Provision for loan losses	707	790	2,126	2,350
Balance at the end of period	21,844	21,403	21,844	21,403
Commercial Business | Commercial and Industrial
Schedule of changes in allowance for loan losses
Balance at the beginning of period	9,970	9,891	9,972	10,553
Charge-offs	(240)	(70)	(2,810)	(1,392)
Recoveries of loans previously charged -off	993	59	1,352	447
Provision for loan losses	182	494	2,391	766
Balance at the end of period	10,905	10,374	10,905	10,374
Commercial Business | Owner-occupied Commercial Real Estate
Schedule of changes in allowance for loan losses
Balance at the beginning of period	3,578	4,587	4,370	4,032
Charge-offs	(88)	0	(538)	0
Recoveries of loans previously charged -off	0	0	0	0
Provision for loan losses	222	(296)	(120)	259
Balance at the end of period	3,712	4,291	3,712	4,291
Commercial Business | Non-owner Occupied Commercial Real Estate
Schedule of changes in allowance for loan losses
Balance at the beginning of period	6,924	6,146	7,722	5,601
Charge-offs	0	0	(350)	(188)
Recoveries of loans previously charged -off	0	0	0	0
Provision for loan losses	303	592	(145)	1,325
Balance at the end of period	7,227	6,738	7,227	6,738
One-to-four Family Residential
Schedule of changes in allowance for loan losses
Balance at the beginning of period	950	1,271	1,157	1,200
Charge-offs	0	0	0	0
Recoveries of loans previously charged -off	0	12	2	13
Provision for loan losses	26	(88)	(183)	(18)
Balance at the end of period	976	1,195	976	1,195
Real Estate Construction and Land Development
Schedule of changes in allowance for loan losses
Balance at the beginning of period	2,031	2,524	1,871	2,758
Charge-offs	0	0	(154)	(106)
Recoveries of loans previously charged -off	0	0	83	100
Provision for loan losses	101	59	332	(169)
Balance at the end of period	2,132	2,583	2,132	2,583
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Schedule of changes in allowance for loan losses
Balance at the beginning of period	754	1,462	1,058	1,786
Charge-offs	0	0	(100)	(106)
Recoveries of loans previously charged -off	0	0	83	100
Provision for loan losses	96	79	(191)	(239)
Balance at the end of period	850	1,541	850	1,541
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Schedule of changes in allowance for loan losses
Balance at the beginning of period	1,277	1,062	813	972
Charge-offs	0	0	(54)	0
Recoveries of loans previously charged -off	0	0	0	0
Provision for loan losses	5	(20)	523	70
Balance at the end of period	1,282	1,042	1,282	1,042
Consumer
Schedule of changes in allowance for loan losses
Balance at the beginning of period	4,816	3,167	4,309	2,769
Charge-offs	(572)	(278)	(1,370)	(1,208)
Recoveries of loans previously charged -off	197	152	496	362
Provision for loan losses	665	174	1,671	1,292
Balance at the end of period	5,106	3,215	5,106	3,215
Unallocated
Schedule of changes in allowance for loan losses
Balance at the beginning of period	157	692	345	816
Charge-offs	0	0	0	0
Recoveries of loans previously charged -off	0	0	0	0
Provision for loan losses	(4)	(84)	(192)	(208)
Balance at the end of period	$ 153	$ 608	$ 153	$ 608

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Allowance for Loan Losses - Activity in Allowance for Losses Disaggregated on Basis of Impairment (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	$ 2,507		$ 3,308
Loans Collectively Evaluated for Impairment	20,823		17,354
PCI Loans	6,881		9,084
Total Allowance for Loan Losses	30,211	$ 28,426	29,746	$ 29,004	$ 28,278	$ 27,729
Commercial Business
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	2,197		2,925
Loans Collectively Evaluated for Impairment	14,652		12,274
PCI Loans	4,995		6,865
Total Allowance for Loan Losses	21,844	20,472	22,064	21,403	20,624	20,186
Commercial Business | Commercial and Industrial
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	907		1,173
Loans Collectively Evaluated for Impairment	8,230		6,276
PCI Loans	1,768		2,523
Total Allowance for Loan Losses	10,905	9,970	9,972	10,374	9,891	10,553
Commercial Business | Owner-occupied Commercial Real Estate
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	458		809
Loans Collectively Evaluated for Impairment	1,858		1,662
PCI Loans	1,396		1,899
Total Allowance for Loan Losses	3,712	3,578	4,370	4,291	4,587	4,032
Commercial Business | Non-owner Occupied Commercial Real Estate
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	832		943
Loans Collectively Evaluated for Impairment	4,564		4,336
PCI Loans	1,831		2,443
Total Allowance for Loan Losses	7,227	6,924	7,722	6,738	6,146	5,601
One-to-four Family Residential
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	81		85
Loans Collectively Evaluated for Impairment	595		546
PCI Loans	300		526
Total Allowance for Loan Losses	976	950	1,157	1,195	1,271	1,200
Real Estate Construction and Land Development
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	180		269
Loans Collectively Evaluated for Impairment	1,545		1,000
PCI Loans	407		602
Total Allowance for Loan Losses	2,132	2,031	1,871	2,583	2,524	2,758
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	4		66
Loans Collectively Evaluated for Impairment	582		481
PCI Loans	264		511
Total Allowance for Loan Losses	850	754	1,058	1,541	1,462	1,786
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	176		203
Loans Collectively Evaluated for Impairment	963		519
PCI Loans	143		91
Total Allowance for Loan Losses	1,282	1,277	813	1,042	1,062	972
Consumer
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	49		29
Loans Collectively Evaluated for Impairment	3,878		3,189
PCI Loans	1,179		1,091
Total Allowance for Loan Losses	5,106	4,816	4,309	3,215	3,167	2,769
Unallocated
Schedule of allowance for loan losses on the basis of impairment method
Loans Individually Evaluated for Impairment	0		0
Loans Collectively Evaluated for Impairment	153		345
PCI Loans	0		0
Total Allowance for Loan Losses	$ 153	$ 157	$ 345	$ 608	$ 692	$ 816

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Allowance for Loan Losses - Recorded Investment Disaggregated on Basis of Impairment (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	$ 31,268	$ 30,362
Loans Collectively Evaluated for Impairment	2,477,838	2,283,832
PCI Loans	67,971	86,919
Total Gross Loans Receivable	2,577,077	2,401,113
Commercial Business
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	25,493	24,466
Loans Collectively Evaluated for Impairment	1,941,353	1,831,782
PCI Loans	51,885	67,073
Total Gross Loans Receivable	2,018,731	1,923,321
Commercial Business | Commercial and Industrial
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	8,864	9,641
Loans Collectively Evaluated for Impairment	618,417	570,099
PCI Loans	10,801	16,986
Total Gross Loans Receivable	638,082	596,726
Commercial Business | Owner-occupied Commercial Real Estate
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	4,570	4,295
Loans Collectively Evaluated for Impairment	556,173	546,001
PCI Loans	17,404	22,313
Total Gross Loans Receivable	578,147	572,609
Commercial Business | Non-owner Occupied Commercial Real Estate
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	12,059	10,530
Loans Collectively Evaluated for Impairment	766,763	715,682
PCI Loans	23,680	27,774
Total Gross Loans Receivable	802,502	753,986
One-to-four Family Residential
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	263	275
Loans Collectively Evaluated for Impairment	73,054	66,881
PCI Loans	4,936	5,392
Total Gross Loans Receivable	78,253	72,548
Real Estate Construction and Land Development
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	4,745	5,428
Loans Collectively Evaluated for Impairment	139,722	94,321
PCI Loans	4,693	7,328
Total Gross Loans Receivable	149,160	107,077
Real Estate Construction and Land Development | One to Four Family Real Estate Construction
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	3,139	3,468
Loans Collectively Evaluated for Impairment	46,756	44,163
PCI Loans	2,157	4,121
Total Gross Loans Receivable	52,052	51,752
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	1,606	1,960
Loans Collectively Evaluated for Impairment	92,966	50,158
PCI Loans	2,536	3,207
Total Gross Loans Receivable	97,108	55,325
Consumer
Schedule of loan receivables on the basis of impairment method
Loans Individually Evaluated for Impairment	767	193
Loans Collectively Evaluated for Impairment	323,709	290,848
PCI Loans	6,457	7,126
Total Gross Loans Receivable	$ 330,933	$ 298,167

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Other Real Estate Owned (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Real Estate [Abstract]
Mortgage Loans in Process of Foreclosure, Amount	$ 576,000		$ 576,000
Changes in other real estate owned
Balance at the beginning of the period	1,560,000	$ 3,017,000	2,019,000	$ 3,355,000
Additions	25,000	611,000	677,000	2,424,000
Proceeds from dispositions	(1,716,000)	(1,560,000)	(2,486,000)	(3,199,000)
Gain (loss) on sales, net	131,000	3,000	173,000	(94,000)
Valuation adjustment	0	0	(383,000)	(415,000)
Balance at the end of the period	$ 0	$ 2,071,000	$ 0	$ 2,071,000

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Goodwill and Other Intangible Assets (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill additions	$ 0	$ 0	$ 0
Goodwill impairment charges	$ 0	$ 0	$ 0	$ 0
Core Deposits | Washington Banking
Finite-Lived Intangible Assets [Line Items]
Useful life			10 years
Core Deposits | Valley
Finite-Lived Intangible Assets [Line Items]
Useful life			10 years
Core Deposits | NCB
Finite-Lived Intangible Assets [Line Items]
Useful life			5 years
Core Deposits | Pierce
Finite-Lived Intangible Assets [Line Items]
Useful life			4 years
Core Deposits | Cowlitz
Finite-Lived Intangible Assets [Line Items]
Useful life			9 years
Core Deposits | Western Washington Bancorp
Finite-Lived Intangible Assets [Line Items]
Useful life			8 years

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Goodwill and Other Intangible Assets Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Finite-lived Intangible Assets [Roll Forward]
Balance at the beginning of the period	$ 8,091	$ 9,835	$ 8,789	$ 10,889
Less: Amortization	359	523	1,057	1,577
Balance at the end of the period	$ 7,732	$ 9,312	$ 7,732	$ 9,312

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Other Borrowings - Textuals (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Federal Home Loan Bank, Advances [Line Items]
Credit facility with the FHLB	$ 664,500,000
FHLB advances outstanding	$ 17,700,000	$ 0
Weighted average rate	0.45%
Maximum federal funds purchases	$ 90,000,000
Federal funds purchased	0	0
Federal Reserve Bank Advances
Federal Home Loan Bank, Advances [Line Items]
Credit facility with the Federal Reserve Bank of San Francisco	51,200,000
Borrowings outstanding	$ 0	$ 0
Minimum
Federal Home Loan Bank, Advances [Line Items]
Unencumbered collateral in amount equal to varying percentages	100.00%
Maximum
Federal Home Loan Bank, Advances [Line Items]
Unencumbered collateral in amount equal to varying percentages	160.00%

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Other Borrowings - Federal Funds Purchased (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Debt Disclosure [Abstract]
Average balance during the period	$ 5,618	$ 0	$ 11,608	$ 2,267
Maximum month-end balance during the period	$ 17,700	$ 0	$ 57,300	$ 48,200
Weighted average rate during the period	0.57%	0.00%	0.54%	0.29%

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Junior Subordinated Debentures (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2007	Dec. 31, 2015	May 01, 2014
Debt Instrument [Line Items]
Issued amount					$ 25,000,000.0
Debt term					30 years
Adjustable rate of trust preferred securities	2.41%		2.41%
Junior subordinated debentures	$ 19,644,000		$ 19,644,000			$ 19,424,000
Junior Subordinated Debentures
Debt Instrument [Line Items]
Weighted average rate	4.49%	4.01%	4.43%	4.36%
LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate					1.56%
Washington Banking
Debt Instrument [Line Items]
Assumed trust preferred securities and junior subordinated debentures, fair value							$ 18,900,000

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Repurchase Agreements (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Financial Instruments Owned and Pledged as Collateral [Line Items]
Repurchase agreements, maturity period	P1D
Repurchase agreement obligations	$ 22,425	$ 23,214
Residential
Financial Instruments Owned and Pledged as Collateral [Line Items]
Repurchase agreement obligations	13,900	18,000
Commercial
Financial Instruments Owned and Pledged as Collateral [Line Items]
Repurchase agreement obligations	5,600	$ 5,200
US Treasury and Government [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Repurchase agreement obligations	$ 2,900

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Derivative Financial Instruments (Details) - Interest rate derivatives - Non-hedging interest rate swaps - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Derivative Asset
Notional Amounts	$ 68,450	$ 20,750
Estimated Fair Value	3,336	543
Derivative Liability
Notional Amounts	(68,450)	(20,750)
Estimated Fair Value	$ (3,336)	$ (543)

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Stockholders' Equity - Reconciliation of Weighted Average Shares (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income:
Net income	$ 11,039	$ 9,492	$ 29,025	$ 27,996
Less: Dividends and undistributed earnings allocated to participating securities	(102)	(84)	(280)	(247)
Net income allocated to common shareholders	$ 10,937	$ 9,408	$ 28,745	$ 27,749
Basic:
Weighted average common shares outstanding (in shares)	29,962,270	29,960,133	29,968,034	30,086,057
Less: Restricted stock awards (in shares)	(277,495)	(263,404)	(292,832)	(268,999)
Total basic weighted average common shares outstanding (in shares)	29,684,775	29,696,729	29,675,202	29,817,058
Diluted:
Basic weighted average common shares outstanding (in shares)	29,684,775	29,696,729	29,675,202	29,817,058
Incremental shares from stock options (in shares)	11,031	22,395	12,543	22,718
Total diluted weighted average common shares outstanding (in shares)	29,695,806	29,719,124	29,687,745	29,839,776

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Stockholders' Equity - Dividends (Details) - $ / shares								3 Months Ended		9 Months Ended
	Jul. 20, 2016	Apr. 20, 2016	Jan. 27, 2016	Oct. 22, 2015	Jul. 22, 2015	Apr. 22, 2015	Jan. 28, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Dividends Payable [Line Items]
Declared	Jul. 20, 2016	Apr. 20, 2016	Jan. 27, 2016	Oct. 21, 2015	Jul. 22, 2015	Apr. 22, 2015	Jan. 28, 2015
Cash Dividend per Share (in usd per share)	$ 0.12	$ 0.12	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.10	$ 0.12	$ 0.11	$ 0.35	$ 0.32
Record Date	Aug. 04, 2016	May 05, 2016	Feb. 10, 2016	Nov. 04, 2015	Aug. 06, 2015	May 07, 2015	Feb. 10, 2015
Paid Date	Aug. 18, 2016	May 19, 2016	Feb. 24, 2016	Nov. 18, 2015	Aug. 20, 2015	May 21, 2015	Feb. 24, 2015
Special Dividend
Dividends Payable [Line Items]
Declared				Oct. 21, 2015
Cash Dividend per Share (in usd per share)				$ 0.10
Record Date				Nov. 04, 2015
Paid Date				Nov. 18, 2015

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Stockholders' Equity - Shares Repurchased (Details) - Eleventh Plan - $ / shares	3 Months Ended		9 Months Ended		45 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016
Equity, Class of Treasury Stock [Line Items]
Repurchased shares	38,000	0	138,000	441,966	579,996
Stock repurchase average share price (in usd per share)	$ 17.46	$ 0.00	$ 17.16	$ 16.64	$ 16.76

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Stockholders' Equity (Details Textual) - $ / shares		3 Months Ended		9 Months Ended		45 Months Ended
	Oct. 23, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016
Stockholders Equity (Textual) [Abstract]
Anti-dilutive securities excluded from computation (in shares)		0	2,650	580	4,883
Eleventh Plan
Stockholders Equity (Textual) [Abstract]
Outstanding share percent	5.00%
Outstanding common shares in the plan	1,513,000
Shares repurchased at an average price		38,000	0	138,000	441,966	579,996
Withholding taxes average price per share (in usd per share)		$ 17.46	$ 0.00	$ 17.16	$ 16.64	$ 16.76
Shares Related to Withholding Taxes on the Vesting of Restricted Stock [Member]
Stockholders Equity (Textual) [Abstract]
Shares repurchased at an average price		5,267	388	29,206	21,998
Withholding taxes average price per share (in usd per share)		$ 18.64	$ 17.63	$ 17.77	$ 17.07

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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of period			$ 2,559	$ 3,378
Other comprehensive (loss) income before reclassification				2,515
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income				(886)
Other comprehensive (loss) income	$ (1,279)	$ 2,809	8,505	1,629
Balance of AOCI at the end of the period	11,064	5,007	11,064	5,007
Changes in Fair Value of Available for Sale Securities
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of period	12,343	2,198	2,559	3,567
Other comprehensive (loss) income before reclassification	(1,055)	3,064	9,223	2,407
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income	(224)	(255)	(718)	(967)
Other comprehensive (loss) income	(1,279)	2,809	8,505	1,440
Balance of AOCI at the end of the period	$ 11,064	5,007	$ 11,064	5,007
Accretion of Other-than-temporary Impairment on Held-to-maturity Securities
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of period				(189)
Other comprehensive (loss) income before reclassification				108
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income				81
Other comprehensive (loss) income				189
Balance of AOCI at the end of the period		$ 0		$ 0

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Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Shares
Outstanding at beginning of period (in shares)	79,408	156,407
Exercised (in shares)	(27,867)	(53,198)
Forfeited or expired (in shares)	(4,200)	(12,278)
Outstanding at end of period (in shares)	47,341	90,931
Vested and expected to vest at end of period (in shares)	47,341
Exercisable at end of period (in shares)	47,341
Weighted-Average Exercise Price
Outstanding at beginning of period (in usd per share)	$ 14.19	$ 13.59
Exercised (in usd per share)	14.37	12.45
Forfeited or expired (in usd per share)	16.80	16.73
Outstanding at end of period (in usd per share)	13.85	$ 13.84
Vested and expected to vest at end of period (in usd per share)	13.85
Exercisable at end of period (in usd per share)	$ 13.85
Weighted-Average Remaining Contractual Term, Outstanding	2 years 9 months 18 days	3 years 18 days
Weighted-Average Remaining Contractual Term, Vested and expected to vest	2 years 9 months 18 days
Weighted-Average Remaining Contractual Term, Exercisable	2 years 9 months 18 days
Aggregate Intrinsic Value, Outstanding	$ 194	$ 456
Aggregate Intrinsic Value, Vested and expected to vest	194
Aggregate Intrinsic Value, Exercisable	$ 194

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Stock-Based Compensation - Restricted and Unrestricted Stock Award Activity (Details) - Restricted and Unrestricted Stock - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Shares
Nonvested at beginning of period (in shares)	264,521	238,669
Granted (in shares)	119,939	121,320
Vested (in shares)	(111,357)	(91,642)
Forfeited (in shares)	(9,216)	(2,837)
Nonvested at end of period (in shares)	263,887	265,510
Weighted-Average Grant Date Fair Value
Nonvested at beginning of period (in usd per share)	$ 15.92	$ 15.20
Granted (in usd per share)	17.53	16.72
Vested (in usd per share)	15.62	15.12
Forfeited (in usd per share)	16.57	15.71
Nonvested at end of period (in usd per share)	$ 16.76	$ 15.92

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Stock-Based Compensation (Details Textual) - USD ($)		3 Months Ended		9 Months Ended
	Jul. 24, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares remain available for future issuances under stock-based compensation plans		1,151,503		1,151,503
Proceeds from exercise of stock options				$ 401,000	$ 666,000
Restricted stock awards issued, net of forfeitures				2,000,000	1,600,000
the Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance	1,500,000
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation		$ 0	$ 0	0	0
Intrinsic value of options exercised				99,000	223,000
Proceeds from exercise of stock options				$ 401,000	666,000
Tax benefit		0	0		0
Employee Stock Option | Option 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested ratably				3 years
Expired ratably				5 years
Employee Stock Option | Option 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested ratably				4 years
Expired ratably				10 years
Restricted Stock Awards | Award 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested ratably				4 years
Restricted Stock Awards | Award 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested ratably				4 years
Restricted and Unrestricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation		494,000	409,000	$ 1,400,000	1,100,000
Tax benefit		173,000	$ 144,000	479,000	$ 395,000
Unrecognized compensation expense related to non-vested stock option		$ 3,500,000		$ 3,500,000
Weighted average period				2 years 4 months 28 days

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Fair Value Measurements - Fair Value Measurement on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Fair value measurements of assets on a recurring basis
Investment securities available for sale	$ 819,159	$ 811,869
Recurring
Fair value measurements of assets on a recurring basis
Total	819,159	811,869
Recurring | U.S. Treasury and U.S. Government-sponsored agencies
Fair value measurements of assets on a recurring basis
Investment securities available for sale	5,594	35,577
Recurring | Municipal securities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	245,704	220,993
Recurring | Residential
Fair value measurements of assets on a recurring basis
Investment securities available for sale	342,757	352,024
Recurring | Commercial
Fair value measurements of assets on a recurring basis
Investment securities available for sale	197,837	179,011
Recurring | Collateralized loan obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	13,989	15,097
Recurring | Corporate obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	13,183	9,113
Recurring | Other equities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	95	54
Recurring | Derivative assets - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative assets - interest rate swaps	3,336	543
Recurring | Derivative liabilities - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative liabilities - interest rate swaps	3,336	543
Recurring | Level 1
Fair value measurements of assets on a recurring basis
Total	688	15,730
Recurring | Level 1 | U.S. Treasury and U.S. Government-sponsored agencies
Fair value measurements of assets on a recurring basis
Investment securities available for sale	593	15,676
Recurring | Level 1 | Municipal securities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 1 | Residential
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 1 | Commercial
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 1 | Collateralized loan obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 1 | Corporate obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 1 | Other equities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	95	54
Recurring | Level 1 | Derivative assets - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative assets - interest rate swaps	0	0
Recurring | Level 1 | Derivative liabilities - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative liabilities - interest rate swaps	0	0
Recurring | Level 2
Fair value measurements of assets on a recurring basis
Total	818,471	796,139
Recurring | Level 2 | U.S. Treasury and U.S. Government-sponsored agencies
Fair value measurements of assets on a recurring basis
Investment securities available for sale	5,001	19,901
Recurring | Level 2 | Municipal securities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	245,704	220,993
Recurring | Level 2 | Residential
Fair value measurements of assets on a recurring basis
Investment securities available for sale	342,757	352,024
Recurring | Level 2 | Commercial
Fair value measurements of assets on a recurring basis
Investment securities available for sale	197,837	179,011
Recurring | Level 2 | Collateralized loan obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	13,989	15,097
Recurring | Level 2 | Corporate obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	13,183	9,113
Recurring | Level 2 | Other equities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 2 | Derivative assets - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative assets - interest rate swaps		543
Recurring | Level 2 | Derivative liabilities - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative liabilities - interest rate swaps		543
Recurring | Level 3
Fair value measurements of assets on a recurring basis
Total	0	0
Recurring | Level 3 | U.S. Treasury and U.S. Government-sponsored agencies
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 3 | Municipal securities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 3 | Residential
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 3 | Commercial
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 3 | Collateralized loan obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 3 | Corporate obligations
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 3 | Other equities
Fair value measurements of assets on a recurring basis
Investment securities available for sale	0	0
Recurring | Level 3 | Derivative assets - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative assets - interest rate swaps	0	0
Recurring | Level 3 | Derivative liabilities - interest rate swaps
Fair value measurements of assets on a recurring basis
Derivative liabilities - interest rate swaps	$ 0	$ 0

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Fair Value Measurements - Fair Value Measurement on Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Level 1
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	$ 0		$ 0		$ 0
Level 2
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0		0
Level 3
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	2,634,175		2,634,175		2,441,531
Nonrecurring | Owner-occupied Commercial Real Estate
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	609		609
Total, Net Losses (Gains) Recorded in Earnings	23		(2)
Nonrecurring | Owner-occupied Commercial Real Estate | Level 1
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Owner-occupied Commercial Real Estate | Level 2
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Owner-occupied Commercial Real Estate | Level 3
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	609		609
Nonrecurring | Impaired Loans
Fair value measurements of assets on a nonrecurring basis
Total, Basis	1,685		1,685		1,753
Impaired originated loans, Total	1,601		1,601
Assets, Fair Value Disclosure					1,719
Total, Net Losses (Gains) Recorded in Earnings	34	$ 0	(3)	$ 102
Nonrecurring | Impaired Loans | Level 1
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Assets, Fair Value Disclosure					0
Nonrecurring | Impaired Loans | Level 2
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Assets, Fair Value Disclosure					0
Nonrecurring | Impaired Loans | Level 3
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	1,601		1,601		1,719
Assets, Fair Value Disclosure					$ 1,719
Nonrecurring | Impaired Loans | Commercial Business
Fair value measurements of assets on a nonrecurring basis
Total, Basis	856		856
Impaired originated loans, Total	776		776
Total, Net Losses (Gains) Recorded in Earnings	47		23
Nonrecurring | Impaired Loans | Commercial Business | Level 1
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | Commercial Business | Level 2
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | Commercial Business | Level 3
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	776		776
Nonrecurring | Impaired Loans | Real Estate Construction and Land Development
Fair value measurements of assets on a nonrecurring basis
Total, Basis	829		829
Impaired originated loans, Total	825		825
Total, Net Losses (Gains) Recorded in Earnings	(13)		(26)
Nonrecurring | Impaired Loans | Real Estate Construction and Land Development | Level 1
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | Real Estate Construction and Land Development | Level 2
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | Real Estate Construction and Land Development | Level 3
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	825		825
Nonrecurring | Impaired Loans | Commercial and Industrial | Commercial Business
Fair value measurements of assets on a nonrecurring basis
Total, Basis	225		225
Impaired originated loans, Total	167		167
Total, Net Losses (Gains) Recorded in Earnings	24		25
Nonrecurring | Impaired Loans | Commercial and Industrial | Commercial Business | Level 1
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | Commercial and Industrial | Commercial Business | Level 2
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | Commercial and Industrial | Commercial Business | Level 3
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	167		167
Nonrecurring | Impaired Loans | Owner-occupied Commercial Real Estate
Fair value measurements of assets on a nonrecurring basis
Total, Basis	631		631
Nonrecurring | Impaired Loans | One to Four Family Real Estate Construction | Real Estate Construction and Land Development
Fair value measurements of assets on a nonrecurring basis
Total, Basis	829		829
Impaired originated loans, Total	825		825
Total, Net Losses (Gains) Recorded in Earnings	(13)		(26)
Nonrecurring | Impaired Loans | One to Four Family Real Estate Construction | Real Estate Construction and Land Development | Level 1
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | One to Four Family Real Estate Construction | Real Estate Construction and Land Development | Level 2
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	0		0
Nonrecurring | Impaired Loans | One to Four Family Real Estate Construction | Real Estate Construction and Land Development | Level 3
Fair value measurements of assets on a nonrecurring basis
Impaired originated loans, Total	$ 825		$ 825

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Fair Value Measurements - Quantitative Information, Level 3 (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Nonrecurring | Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Impaired loans	$ 1,601
Level 3
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Impaired loans	2,634,175		$ 2,441,531
Level 3 | Nonrecurring | Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Impaired loans	$ 1,601		$ 1,719
Valuation Technique(s)	Market approach		Market approach
Unobservable Input(s)	Adjustment for differences between the comparable sales		Adjustment for differences between the comparable sales
Level 3 | Nonrecurring | Impaired Loans | Minimum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average	(17.20%)	(30.00%)
Level 3 | Nonrecurring | Impaired Loans | Maximum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average	63.90%	63.90%
Level 3 | Nonrecurring | Impaired Loans | Weighted Average
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average	22.50%	24.50%

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Fair Value Measurements - Carrying Value and Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Level 1
Assets
Cash and cash equivalents	$ 112,760	$ 126,640
Other interest earning deposits	0	0
Investment securities available for sale	688	15,730
Loans held for sale	0	0
Total loans receivable, net	0	0
Accrued interest receivable	1	5
Derivative assets - interest rate swaps	0	0
Liabilities
Noninterest deposits, NOW accounts, money market accounts and savings accounts	2,873,777	2,687,954
Certificate of deposit accounts	0	0
Total deposits	2,873,777	2,687,954
Federal Home Loan Bank advances	0
Securities sold under agreement to repurchase	22,425	23,214
Junior subordinated debentures	0	0
Accrued interest payable	44	50
Derivative liabilities - interest rate swaps	0	0
Level 2
Assets
Cash and cash equivalents	0	0
Other interest earning deposits	5,489	6,723
Investment securities available for sale	818,471	796,139
Loans held for sale	9,223	7,883
Total loans receivable, net	0	0
Accrued interest receivable	3,775	3,335
Derivative assets - interest rate swaps	3,336	543
Liabilities
Noninterest deposits, NOW accounts, money market accounts and savings accounts	0	0
Certificate of deposit accounts	368,731	423,352
Total deposits	368,731	423,352
Federal Home Loan Bank advances	17,700
Securities sold under agreement to repurchase	0	0
Junior subordinated debentures	0	0
Accrued interest payable	94	133
Derivative liabilities - interest rate swaps	3,336	543
Level 3
Assets
Cash and cash equivalents	0	0
Other interest earning deposits	0	0
Investment securities available for sale	0	0
Loans held for sale	0	0
Total loans receivable, net	2,634,175	2,441,531
Accrued interest receivable	7,551	7,129
Derivative assets - interest rate swaps	0	0
Liabilities
Noninterest deposits, NOW accounts, money market accounts and savings accounts	0	0
Certificate of deposit accounts	0	0
Total deposits	0	0
Federal Home Loan Bank advances	0
Securities sold under agreement to repurchase	0	0
Junior subordinated debentures	16,250	15,000
Accrued interest payable	26	24
Derivative liabilities - interest rate swaps	0	0
Carrying Value
Assets
Cash and cash equivalents	112,760	126,640
Other interest earning deposits	5,461	6,719
Investment securities available for sale	819,159	811,869
Federal Home Loan Bank stock	5,088	4,148
Loans held for sale	8,964	7,682
Total loans receivable, net	2,548,766	2,372,296
Accrued interest receivable	11,327	10,469
Derivative assets - interest rate swaps	3,336	543
Liabilities
Noninterest deposits, NOW accounts, money market accounts and savings accounts	2,873,777	2,687,954
Certificate of deposit accounts	368,644	420,333
Total deposits	3,242,421	3,108,287
Federal Home Loan Bank advances	17,700
Securities sold under agreement to repurchase	22,425	23,214
Junior subordinated debentures	19,644	19,424
Accrued interest payable	164	207
Derivative liabilities - interest rate swaps	3,336	543
Fair Value
Assets
Cash and cash equivalents	112,760	126,640
Other interest earning deposits	5,489	6,723
Investment securities available for sale	819,159	811,869
Loans held for sale	9,223	7,883
Total loans receivable, net	2,634,175	2,441,531
Accrued interest receivable	11,327	10,469
Derivative assets - interest rate swaps	3,336	543
Liabilities
Noninterest deposits, NOW accounts, money market accounts and savings accounts	2,873,777	2,687,954
Certificate of deposit accounts	368,731	423,352
Total deposits	3,242,508	3,111,306
Federal Home Loan Bank advances	17,700
Securities sold under agreement to repurchase	22,425	23,214
Junior subordinated debentures	16,250	15,000
Accrued interest payable	164	207
Derivative liabilities - interest rate swaps	$ 3,336	$ 543

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Fair Value Measurements (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Fair Value Disclosures [Abstract]
Fair value assets transfers between level 1 and level 2 transfer amount	$ 0	$ 0	$ 0	$ 0

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Commitments and Contingencies (Details) $ in Millions	Sep. 30, 2016 USD ($)
B&O Tax Audit
Loss Contingencies [Line Items]
Estimate of possible loss	$ 1.6