Pacific Continental 10-K 13 Mar 17 2016 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2016	Feb. 28, 2017	Jun. 30, 2016
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2016
Document Fiscal Year Focus	2,016
Document Fiscal Period Focus	FY
Trading Symbol	PCBK
Entity Registrant Name	PACIFIC CONTINENTAL CORP
Entity Central Index Key	1,084,717
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		22,665,881
Entity Public Float			$ 287,950,930

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
ASSETS
Cash and due from banks	$ 30,154	$ 23,819
Interest-bearing deposits with banks	36,959	12,856
Total cash and cash equivalents	67,113	36,675
Securities available-for-sale	470,996	366,598
Loans, net of deferred fees	1,857,767	1,404,482
Allowance for loan losses	(22,454)	(17,301)
Net loans	1,835,313	1,387,181
Interest receivable	7,107	5,721
Federal Home Loan Bank stock	5,423	5,208
Property and equipment, net of accumulated depreciation	20,208	18,014
Goodwill and intangible assets	70,382	43,159
Deferred tax asset	12,722	5,670
Other real estate owned	12,068	11,747
Bank-owned life insurance	35,165	22,884
Other assets	4,940	6,621
Total assets	2,541,437	1,909,478
Deposits
Noninterest-bearing demand	858,996	568,688
Savings and interest-bearing checking	1,110,224	889,802
Core time deposits	65,847	75,452
Total core deposits	2,035,067	1,533,942
Other time deposits	113,036	63,151
Total deposits	2,148,103	1,597,093
Securities sold under agreements to repurchase	1,966	71
Federal Home Loan Bank borrowings	65,000	77,500
Subordinated debentures	34,096
Junior subordinated debentures	11,311	8,248
Accrued interest and other payables	7,206	8,075
Total liabilities	2,267,682	1,690,987
Commitments and contingencies (Note 22)
Shareholders' equity
Common stock, no par value, shares authorized: 50,000,000; shares issued and outstanding: 22,611,535 at December 31, 2016 and 19,604,182 at December 31, 2015	205,584	156,099
Retained earnings	70,486	59,693
Accumulated other comprehensive income	(2,315)	2,699
Total shareholders' equity	273,755	218,491
Total liabilities and shareholders' equity	$ 2,541,437	$ 1,909,478

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Common stock, no par value
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	22,611,535	19,604,182
Common stock, shares outstanding	22,611,535	19,604,182

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest and dividend income
Loans	$ 80,104	$ 65,694	$ 53,855
Taxable securities	7,743	6,532	6,191
Tax-exempt securities	1,942	1,976	1,971
Federal funds sold & interest-bearing deposits with banks	154	34	10
Total interest and dividend income	89,943	74,236	62,027
Interest expense
Deposits	3,848	3,314	3,252
Federal Home Loan Bank & Federal Reserve borrowings	954	885	1,088
Subordinated debentures	1,143
Junior subordinated debentures	279	226	225
Federal funds purchased	8	11	14
Total interest expense	6,232	4,436	4,579
Net interest income	83,711	69,800	57,448
Provision for loan losses	5,450	1,695
Net interest income after provision for loan losses	78,261	68,105	57,448
Noninterest income
Service charges on deposit accounts	2,876	2,644	2,134
Bankcard income	1,214	1,029	951
Bank-owned life insurance income	702	592	473
Net gain (loss) on sale of investment securities	373	672	(34)
Impairment losses on investment securities (OTTI)	(21)	(22)
Other noninterest income	2,673	1,710	1,471
Total noninterest income	7,817	6,625	4,995
Noninterest expense
Salaries and employee benefits	31,873	27,501	23,555
Property and equipment	4,742	4,347	3,735
Data processing	3,709	3,259	2,720
Legal and professional services	3,297	1,924	1,252
Business development	2,049	1,640	1,531
FDIC insurance assessment	1,089	1,051	868
Merger related expense	4,934	1,836	470
Other real estate (income) expense	(36)	346	449
Other noninterest expense	4,936	3,986	3,149
Total noninterest expense	56,593	45,890	37,729
Income before income tax provision	29,485	28,840	24,714
Income tax provision	9,709	10,089	8,672
Net income	$ 19,776	$ 18,751	$ 16,042
Earnings per share
Basic	$ 0.96	$ 0.97	$ 0.90
Diluted	$ 0.95	$ 0.97	$ 0.89

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 19,776	$ 18,751	$ 16,042
Available-for-sale securities:
Unrealized (loss) gain arising during the year	(7,877)	(1,064)	6,266
Reclassification adjustment for (gains) losses realized in net income	(373)	(672)	34
Other than temporary impairment	21	22
Income tax benefit (expense)	3,210	668	(2,457)
Derivative instrument-cash flow hedge
Unrealized gain (loss) arising during the year	336	(94)	(230)
Reclassification adjustment for gains realized in net income	(327)
Income tax (expense) benefit	(4)	37	90
Total other comprehensive (loss) income, net of tax	(5,014)	(1,103)	3,703
Total comprehensive income	$ 14,762	$ 17,648	$ 19,745

Consolidated Statements of Chan

Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2013	$ 179,184	$ 133,835	$ 45,250	$ 99
Balance, shares at Dec. 31, 2013		17,891,687
Net income	16,042		16,042
Other comprehensive income (loss), net of tax	3,703			3,703
Comprehensive income	19,745
Stock issuance and related tax benefit	203	$ 203
Stock issuance and related tax benefit, shares		93,069
Stock repurchase	(3,600)	$ (3,600)
Stock repurchased, shares		(267,080)
Share-based compensation expense	1,454	$ 1,454
Vested employee RSUs and SARs surrendered to cover tax consequences	(517)	(517)
Cash dividends	(12,308)		(12,308)
Balance at Dec. 31, 2014	184,161	$ 131,375	48,984	3,802
Balance, shares at Dec. 31, 2014		17,717,676
Net income	18,751		18,751
Other comprehensive income (loss), net of tax	(1,103)			(1,103)
Comprehensive income	17,648
Stock issuance and related tax benefit	95	$ 95
Stock issuance and related tax benefit, shares		108,404
Stock issued through acquisition	23,578	$ 23,578
Stock issued through acquisition, shares		1,778,102
Share-based compensation expense	1,700	$ 1,700
Vested employee RSUs and SARs surrendered to cover tax consequences	(649)	(649)
Cash dividends	(8,042)		(8,042)
Balance at Dec. 31, 2015	218,491	$ 156,099	59,693	2,699
Balance, shares at Dec. 31, 2015		19,604,182
Net income	19,776		19,776
Other comprehensive income (loss), net of tax	(5,014)			(5,014)
Comprehensive income	14,762
Stock issuance and related tax benefit	734	$ 734
Stock issuance and related tax benefit, shares		153,991
Stock issued through acquisition	47,794	$ 47,794
Stock issued through acquisition, shares		2,853,362
Share-based compensation expense	1,853	$ 1,853
Vested employee RSUs and SARs surrendered to cover tax consequences	(896)	(896)
Cash dividends	(8,983)		(8,983)
Balance at Dec. 31, 2016	$ 273,755	$ 205,584	$ 70,486	$ (2,315)
Balance, shares at Dec. 31, 2016		22,611,535

Consolidated Statements of Cha7

Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash dividends per share	$ 0.44	$ 0.42	$ 0.69
Retained Earnings [Member]
Cash dividends per share	$ 0.44	$ 0.42	$ 0.69

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 19,776	$ 18,751	$ 16,042
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization, net of accretion	6,985	7,138	6,834
Valuation adjustment on foreclosed assets	162	129	82
(Gain) loss on sale of other real estate owned	(410)	2	(7)
Provision for loan losses	5,450	1,695
Deferred income tax provision	(694)	1,153	2,766
BOLI income	(702)	(592)	(473)
Share-based compensation	2,003	1,650	1,528
Excess tax benefit of stock options exercised	(43)	(9)	(14)
Other than temporary impairment on investment securities	21	22
(Gain) loss on sale of investment securities	(373)	(672)	34
Change in:
(Increase) decrease in interest receivable	(452)	(401)	(70)
Deferred loan fees	491	538	66
Accrued interest payable and other liabilities	(843)	60	598
Income taxes (receivable) payable	(892)	(1,461)	80
Decrease (increase) in other assets	1,038	2,010	(3,328)
Net cash provided by operating activities	31,517	30,013	24,138
Cash flows from investing activities:
Proceeds from maturities, sales and paydowns available-for-sale investment securities	150,668	106,332	71,622
Purchase of available-for-sale investment securities	(179,174)	(101,500)	(75,184)
Net loan principal originations	(184,498)	(156,746)	(53,447)
Purchase of property and equipment	(3,175)	(1,434)	(428)
Proceeds on sale of foreclosed assets	2,104	2,463	4,831
Redemption of FHLB stock	317	5,438	406
Cash consideration paid, net of cash acquired in merger	43,855	(3,249)
Net cash used by investing activities	(169,903)	(148,696)	(52,200)
Cash flows from financing activities:
Change in deposits	154,502	160,033	118,113
Change in repurchase agreements	1,895	(22)
Increase in federal funds purchased and FHLB short-term borrowings	0	(18,500)	(69,150)
FHLB term advances paid-off	(12,500)
Proceeds from stock options exercised	691	86	189
Redemption of Capital Pacific Bell State Bank debt		(3,344)
Excess tax benefit of stock options exercised	43	9	14
Dividends paid	(8,983)	(8,042)	(12,308)
Repurchase of common stock			(3,600)
Vested SARs and RSUs surrendered by employees to cover tax consequence	(896)	(649)	(517)
Proceeds from subordinated debt issuance	34,072
Net cash provided by financing activities	168,824	129,571	32,741
Net increase (decrease) in cash and cash equivalents	30,438	10,888	4,679
Cash and cash equivalents, beginning of year	36,675	25,787	21,108
Cash and cash equivalents, end of year	67,113	36,675	25,787
Noncash investing and financing activities:
Transfers of loans to other real estate owned	958	967	1,925
Change in fair value of securities, net of deferred income taxes	5,019	1,046	3,843
Acquisitions:
Assets acquired	428,671	257,924
Liabilities assumed	402,252	232,698
Cash paid during the year for:
Income taxes	11,271	8,423	8,701
Interest	$ 6,194	$ 4,410	$ 4,540

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2016
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	NOTE 1 — SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: Principles of Consolidation In November 2005, the Company formed a wholly owned Delaware statutory business trust subsidiary, Pacific Continental Corporation Capital Trust (the “Trust”) which issued $8,248 of guaranteed undivided beneficial interests in Pacific Continental’s Junior Subordinated Deferrable Interest Debentures (“Trust Preferred Securities”). Pacific Continental has not consolidated the accounts of the Trust in its consolidated financial statements in accordance with generally accepted accounting principles, (“GAAP”). As a result, the junior subordinated debentures issued by Pacific Continental to the issuer trust, totaling $8,248, are reflected on Pacific Continental’s consolidated balance sheet at December 31, 2016, and 2015, under the caption “Junior Subordinated Debentures.” Pacific Continental also recognized its $248 investment in the Trust, which is recorded among “Other Assets” in its consolidated balance sheet at December 31, 2016, and 2015. On September 6, 2016, the Company completed the acquisition of Foundation Bancorp, Inc. At that time, the Company assumed ownership of Foundation Statutory Trust I, which had previously issued $6,000 in aggregate liquidation amount of trust preferred securities. The interest rate on the these trust preferred securities is a floating rate of three-month LIBOR plus 173 basis points. The Company also acquired $6,186 of junior subordinated debentures (the “Foundation Debentures”) to the trust in exchange for ownership of all of the common security of the trust and the proceeds of the preferred securities sold by the trust. In accordance with current accounting guidance, the trust is not consolidated in the Company’s financial statements, but rather the Foundation Debentures are shown as a liability, reflected on Pacific Continental’s balance sheet at December 31, 2016, and acquired at an acquisition date fair value of $3,013. The Company also recognized its $186 investment in the trust, which is recorded among “Other Assets” in its consolidated balance sheet at December 31, 2016. Use of Estimates Cash and Cash Equivalents Securities Available-for-Sale Securities classified as available-for-sale are reported at estimated fair value based on available market prices. Net unrealized gains and losses are included in other comprehensive income or loss on an after-tax basis. Impaired securities are assessed quarterly for the presence of other-than-temporary impairment (“OTTI”). OTTI is considered to have occurred, (1) if we intend to sell the security, (2) if it is “more likely than not” we will be required to sell the security before recovery of its amortized cost basis, or (3) the present value of expected cash flows is not sufficient to recover the entire amortized cost basis. The “more likely than not” criteria is a lower threshold than the “probable” criteria used under previous guidance. When OTTI is identified, the amount of the impairment is bifurcated into two components: the amount representing credit loss and the amount related to all other factors. The amount representing credit loss is recognized against earnings as a realized loss and the amount representing all other factors is recognized in other comprehensive income as an unrealized loss. The cost basis of an other-than-temporarily impaired security is written down by the amount of impairment recognized in earnings. The new cost basis is not adjusted for subsequent recoveries in fair value. However, the difference between the new amortized cost basis and the cash flows expected to be collected is accreted as interest income. Gains and losses on the sale of available-for-sale securities are determined using the specific-identification method. Purchase premiums and discounts are recognized in interest income using the interest method over the terms of the securities. Interest income on securities available-for-sale is included in income using the level yield method. Loans, Income Recognition, and the Allowance for Loan Losses Nonaccrual Loans Accrual of interest is discontinued on contractually delinquent loans when management believes that, after considering economic and business conditions and collection efforts, the borrower’s financial condition is such that collection of principal or interest is doubtful. At a minimum, loans that are past due as to maturity or payment of principal or interest by 90 days or more are placed on nonaccrual status, unless such loans are well-secured and in the process of collection. Interest income is subsequently recognized only to the extent cash payments are received satisfying all delinquent principal and interest amounts, and the prospects for future payments in accordance with the loan agreement appear relatively certain. In accordance with GAAP, payments received on nonaccrual loans are applied to the principal balance and no interest income is recognized. Purchased Credit Impaired Loans (“PCI Loans”) Loans acquired with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are accounted for under ASC 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality Accounting for Certain Loans or Debt Securities Acquired in a Transfer Allowance for Loan Losses Methodology Management provides for possible loan losses by maintaining an allowance. The allowance for loan losses is established through a provision for loan losses charged to expense. Loans are charged against the allowance when management believes the collection of principal or interest is unlikely. The allowance is an amount that management considers adequate to absorb possible losses on existing loans based on its evaluation of the collectability of those loans and prior loss experience. Management’s evaluations take into consideration such factors as changes in the size and nature of the loan portfolio, the overall portfolio quality, the financial condition of borrowers, the level of nonperforming loans, the Company’s historical loss experience, the estimated value of underlying collateral, and current economic conditions that may affect the borrower’s ability to pay. This evaluation is inherently subjective as it requires estimates that are susceptible to significant subsequent revision as more information becomes available. The allowance consists of general, specific and unallocated components. The general component covers all loans not specifically identified for impairment testing. The specific component relates to loans that are individually assessed for impairment. The combined general and specific components of the allowance constitute the Company’s allocated allowance for loan losses. An unallocated allowance may be maintained to provide for credit losses inherent in the loan portfolio that may not have been contemplated in the general risk factors or the specific allowance analysis. The Company performs regular credit reviews of the loan portfolio to determine the credit quality of the portfolio and the Company’s adherence to underwriting standards. When loans are originated, they are assigned a risk rating that is reassessed periodically during the terms of the loans through the credit review process. The risk rating categories constitute a primary factor in determining an appropriate amount for the general allowance for loan losses. The general allowance is calculated by applying risk factors to pools of outstanding loans. Risk factors are assigned based on management’s evaluation of the losses inherent within each identified loan category. Loan categories with greater risk of loss are therefore assigned a higher risk factor. The Company’s Asset and Liability Committee (“ALCO”) and Board of Directors are responsible for, among other things, regularly reviewing the allowance for loan losses methodology, including loss factors, and ensuring that it is designed and applied in accordance with generally accepted accounting principles. Regular credit reviews of the portfolio are performed to identify loans that are considered potentially impaired. Potentially impaired loans are referred to the ALCO Committee, which reviews loans recommended for impairment. A loan is considered impaired when, based on current information and events, the Company is unlikely to collect all principal and interest due according to the terms of the loan agreement. When a loan is deemed to be impaired, the amount of the impairment is measured using discounted cash flows except when the sole remaining source of the repayment is the liquidation of the collateral. In these cases, the current fair value of the collateral, less selling costs, is used. Impairment is recognized as a specific component within the allowance for loan losses if the value of the impaired loan is less than the recorded investment in the loan. When the amount of the impairment represents a confirmed loss, it is charged off against the allowance for loan losses. Loans specifically reviewed for impairment are excluded from the general allowance calculation to prevent double-counting the loss exposure. The Company’s ALCO Committee reviews loans recommended for impaired status and those recommended to be removed from impaired status. The Company’s ALCO Committee and Board provide oversight of the allowance for loan losses process and review and approve the allowance methodology on a quarterly basis. Charge-off Methodology When it becomes evident that a loan has a probable loss and is deemed uncollectable, regardless of delinquent status, the loan is charged-off. A partial charge-off will occur to the extent of the portion of the loan that is not well secured and is in the process of collection. Additionally, a partial charge-off will occur to the extent of the portion of the loan that is not guaranteed by a federal or state government agency and is in the process of collection. In circumstances where it is evident that a government guarantee will not be honored, the loan will be charged-off to the extent of the portion of the loan that is not well secured. Commercial overdrafts will be charged-off within the month the delinquent checking account becomes 90 days delinquent. Troubled Debt Restructuring Loans are reported as a troubled debt restructuring when the Company grants a concession to a borrower experiencing financial difficulties that it would not otherwise consider. Examples of such concessions include a reduction in the loan rate, forgiveness of principal or accrued interest, extending the maturity date, or providing a lower interest rate than would be normally available for a transaction of similar risk. The Company will undertake a restructuring only when it occurs in ways which improve the likelihood that the credit will be repaid in full under the modified terms and in accordance with a reasonable repayment schedule. Off-Balance Sheet Credit Exposure – Accrued Interest and Other Payables Foreclosed Assets Improvements to foreclosed assets are capitalized to the extent that the improvements increase the fair value of the assets. Expenditures for routine maintenance and repairs of foreclosed assets are charged to expense as incurred. Management performs periodic valuations of foreclosed assets and may adjust the values to the lower of carrying amount or fair value less the estimated costs to sell. Write downs to net realizable value, if any, and disposition gains or losses are included in noninterest income or expense. Federal Home Loan Bank Stock FHLB stock is generally viewed as a long-term investment. Accordingly, when evaluating FHLB stock for impairment, its value is determined based on the ultimate recoverability of the par value rather than by recognizing temporary declines in value. As of December 31, 2016, the Bank determined there was no impairment. The determination of whether the decline affects the ultimate recoverability is influenced by criteria such as the following: • The significance of the decline in net assets of the FHLBs as compared to the capital stock amount for the FHLBs and the length of time this situation has persisted. • Commitments by the FHLBs to make payments required by law or regulation and the level of such payments in relation to the operating performance of the FHLBs. • The impact of legislative and regulatory changes on the institution and, accordingly, on the customer base of the FHLBs. • The liquidity position of the FHLBs. Property and Equipment Depreciation and amortization is computed by the straight-line method over the estimated useful lives of the assets. Estimated useful lives are 30 to 40 years for buildings, 3 to 10 years for furniture and equipment, and up to the lesser of the useful life or lease term for leasehold improvements. Goodwill and Intangible Assets – Bank-owned Life Insurance Advertising Income Taxes The Company follows the provisions of the Financial Accounting Standards Boards’ (“FASB”) ASC 740, “Income Taxes,” relating to accounting for uncertain tax positions. Uncertain tax positions may arise when the Company takes or expects to take a tax position that is ultimately disallowed by the relevant taxing authority. The Company files income tax returns with the Internal Revenue Service and any states in which it has identified that it has nexus. Tax returns for the years subsequent to 2012 remain open to examination by the taxing jurisdictions. Management reviews the Company’s balance sheet, income statement, income tax provision and income tax returns as well as the permanent and temporary adjustments affecting current and deferred income taxes quarterly and assesses whether uncertain tax positions exist. At December 31, 2016, management does not believe that any uncertain tax positions exist, that are not more-likely-than-not, sustainable upon examination. The Company’s policy with respect to interest and penalties ensuing from income tax settlements is to recognize them as noninterest expense. Earnings Per Share Weighted average shares outstanding as of 2016 2015 2014 Basic 20,610,808 19,250,838 17,821,580 Common stock equivalents attributable to stock-based compensation plans 179,187 141,241 223,448 Diluted 20,789,995 19,392,079 18,045,028 Equity grants, including options and Stock Appreciation Rights, for 77,833, 320,864 and 323,933 weighted average shares of common stock were excluded from the diluted earnings per share calculation in 2016, 2015 and 2014, respectively, due to their anti-dilutive effect. Share-Based Payment Plans Fair Value Measurements Derivative Instruments Operating Segments – Recently Issued Accounting Pronouncements – In February 2015, the FASB issued ASU No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis In April 2015, the FASB issued ASU No. 2015-03, Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs In September 2015, the FASB issued ASU No. 2015-16, Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments. In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. The core principle of Topic 842 is that a lessee should recognize the assets and liabilities that arise from leases. All leases create an asset and a liability for the lessee in accordance with FASB Concepts Statement No. 6, Elements of Financial Statements, and, therefore, recognition of those lease assets and lease liabilities represents an improvement over previous GAAP, which did not require lease assets and lease liabilities to be recognized for most leases. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the impact of this ASU on the Company’s consolidated financial statements, however estimates a new lease asset and related lease liability to be small due to the minimal lease locations currently occupied by the Bank. In March 2016, the FASB issued ASU No. 2016-05, Derivatives and Hedging Novations on Existing Hedge Accounting Relationships. The amendments in this Update clarify that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815 does not, in and of itself, require designation of that hedging relationship provided that all other hedge accounting criteria (including those in paragraphs 815-20-35-14 through 35-18) continue to be met. ASU 2016-05 is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the impact of this ASU on the Company’s consolidated financial statements. In March 2016, the FASB issued ASU No. 2016-06, Derivatives and Hedging In March 2016, the FASB issued ASU No 2016-07, Investments – Equity Method and Joint Ventures In March 2016, the FASB issued ASU No. 2016-08, Revenue from Contracts with Customers In March 2016, the FASB issued ASU No. 2016-09, Compensation – Stock Compensation employee share-based payment accounting. The areas for simplification in this Update involve several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. Some of the specific changes associated with the update include all excess tax benefits and tax deficiencies (including tax benefits of dividends on share-based payment awards) being recognized as income tax expense or benefit in the income statement. The tax effects of exercised or vested awards should be treated as discrete items in the reporting period in which they occur. An entity also should recognize excess tax benefits regardless of whether the benefit reduces taxes payable in the current period. An entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur. ASU 2016-09 is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the impact of this ASU but does not expect the ASU to have a material impact on the Company’s consolidated financial statements. In March 2016, the FASB issued ASU 2016-10, Revenue from Contracts with Customers In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows In January 2017, the FASB issued ASU 2017-03, Accounting Changes and Error Corrections ( ) and Investments-Equity Method and Joint Ventures ( ). Subsequent events Reclassifications

Business Combinations

Business Combinations	12 Months Ended
	Dec. 31, 2016
Business Combinations [Abstract]
Business Combinations	NOTE 2—BUSINESS COMBINATIONS: On September 6, 2016, the Company completed its acquisition of all of the common stock of Foundation Bancorp, Inc. (“Foundation Bancorp”) and its wholly-owned subsidiary, Foundation Bank, of Bellevue, Washington (the “Merger”). The acquisition of Foundation Bank reflects the Company’s overall banking expansion strategy, and expanded the combined Bank’s presence in the greater Puget Sound market. The transaction has been accounted for under the acquisition method of accounting. The assets and liabilities were recorded at their estimated fair values as of the acquisition dates, with small adjustments to the originally recorded fair values occurring in the fourth quarter related to other real estate owned properties final valuation. The application of the acquisition method resulted in the recognition of goodwill of $21,375 which is all attributable to the value of Foundation Bank’s lending and deposit gathering banking activities. None of the goodwill is deductible for income tax purposes as the Merger was accounted for as a tax-free exchange. A summary of the net assets acquired and the estimated fair value adjustments of Foundation Bancorp are presented below: September 6, 2016 Cost basis net assets $ 90,993 Less: Cash payment to shareholders (19,337 ) Stock issued (47,794 ) Fair value adjustments: Loans, net (11,257 ) Core deposit intangible 5,762 Junior subordinated debentures 3,173 Deferred tax asset adjustment (2,979 ) Securities 1,673 Other 1,141 Goodwill $ 21,375 Pursuant to the terms of the merger agreement, former Foundation Bancorp shareholders received either $12.50 per share in cash or 0.7911 shares of Pacific Continental common stock for each share of Foundation Bancorp common stock, or a combination of 30.0% in the form of cash and 70.0% in the form of Pacific Continental common stock. Pursuant to the merger agreement, the maximum aggregate cash component of the merger consideration was $19,337 and the aggregate stock component of the merger consideration was 2,853,362 shares of Pacific Continental common stock, the value of which was calculated based on a closing stock price of $16.75 per share. The cash election was oversubscribed; therefore shareholders electing all cash received $8.72 in cash and 0.23915 shares of Pacific Continental common stock for each share of Foundation Bancorp common stock. Former Foundation Bancorp shareholders making a valid mixed election received $3.75 in cash and 0.55377 shares of Pacific Continental common stock for each share of Foundation Bancorp common stock. The operations of Foundation Bank are included in the operating results beginning September 6, 2016. Foundation Bank’s results of operations prior to the acquisition are not included in the operating results. Information for Foundation Bank related revenue and expense cannot be practically separated from Pacific Continental, therefore proforma revenue disclosures have not been included. Merger-related expense of $4,934 was recorded during 2016 and are included within the merger-related expense line item on the Consolidated Statements of Income. The statement of assets acquired and liabilities assumed at their fair values are presented below as of the transaction closing date: FOUNDATION BANCORP, INC. Opening balance sheet (in thousands) unaudited September 6, 2016 ASSETS Cash and due from banks, net of consideration paid $ 43,855 Securities available-for-sale 88,464 Gross loans 281,790 Fair value adjustments Credit quality-related (8,884 ) Interest rate-related (2,373 ) Net loans 270,533 Interest receivable 934 Federal Home Loan Bank stock 532 Property and equipment 408 Goodwill 21,375 Core deposit intangible 5,762 Deferred tax asset 3,925 Other real estate owned 1,219 Bank-owned life insurance 11,574 Other asset 1,465 Total assets $ 450,046 LIABILITIES AND SHAREHOLDERS EQUITY Deposits $ 396,509 Other liabilities 2,730 Junior subordinated debentures 3,013 Total liabilities 402,252 Common stock issued to Foundation Bancorp shareholders 47,794 Total liabilities and shareholders’ equity $ 450,046 Acquired loans at the acquisition date and as of December 31, 2016, are presented below: September 6, 2016 December 31, 2016 Contractually required principal payments $ 281,790 $ 243,552 Purchase adjustment for credit and interest rate (11,257 ) (8,787 ) Balance of acquired loans $ 270,533 $ 234,765 The acquisition of Foundation Bancorp and it wholly-owned subsidiary Foundation Bank is not considered significant to the Company’s consolidated financial statements and, therefore, pro forma financial information is not presented.

Cash and Cash Equivalents

Cash and Cash Equivalents	12 Months Ended
	Dec. 31, 2016
Cash and Cash Equivalents [Abstract]
Cash and Cash Equivalents	NOTE 3—CASH AND CASH EQUIVALENTS: The Company is required to maintain certain reserves with the Federal Reserve Bank. Such reserves totaling $33,561 and $11,015 were maintained within the Company’s cash balances at December 31, 2016, and 2015, respectively. The Company maintains cash held as collateral for interest rate swaps totaling $655 and $803 at December 31, 2016 and 2015, respectively.

Securities Available-for-Sale

Securities Available-for-Sale	12 Months Ended
	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Securities Available-for-Sale	NOTE 4—SECURITIES AVAILABLE-FOR-SALE: The amortized cost and estimated fair values of securities available-for-sale at December 31, 2016, are as follows: Gross Gross Estimated Percentage Amortized Unrealized Unrealized Fair of Cost Gains Losses Value Portfolio Unrealized Loss Positions Obligations of U.S. government agencies $ 3,995 $ — $ (49 ) $ 3,946 0.84 % Obligations of states and political subdivisions 41,016 — (1,279 ) 39,737 8.44 % Private-label mortgage-backed securities 241 — (23 ) 218 0.05 % Mortgage-backed securities 221,835 — (5,362 ) 216,473 45.96 % SBA variable rate pools 26,758 — (493 ) 26,265 5.57 % $ 293,845 $ — $ (7,206 ) $ 286,639 60.86 % Unrealized Gain Positions Obligations of U.S. government agencies $ 21,290 $ 384 $ — $ 21,674 4.60 % Obligations of states and political subdivisions 69,148 1,854 — 71,002 15.07 % Private-label mortgage-backed securities 1,566 153 — 1,719 0.36 % Mortgage-backed securities 72,752 811 — 73,563 15.62 % SBA variable rate pools 16,281 118 — 16,399 3.48 % $ 181,037 $ 3,320 $ — $ 184,357 39.14 % $ 474,882 $ 3,320 $ (7,206 ) $ 470,996 100.00 % At December 31, 2016, unrealized losses exist on certain securities classified as obligations of U.S. government agencies, obligations of states and political subdivisions, mortgage-backed securities, private-label mortgage-backed securities and SBA pools. The unrealized losses on all securities are deemed to be temporary, as these securities retain strong credit ratings, continue to perform adequately, and are backed by various government sponsored enterprises. These decreases in fair value are associated with the changes in market interest rates or the widening of market spreads subsequent to the initial purchase of the securities, and not due to concerns regarding the underlying credit of the issuers or the underlying collateral. The decline in value of these securities has resulted from changes in interest rates relative to where these investments fall within the yield curve and their individual characteristics. Because the Company does not currently intend to sell these securities nor does the Company consider it more likely than not that it will be required to sell these securities before the recovery of amortized cost basis, which may be upon maturity, the Company does not consider these investments to be other-than-temporarily impaired at December 31, 2016. The following table presents a summary of securities in a continuous unrealized loss position at December 31, 2016: Securities in Gross Securities in Gross Obligations of U.S. government agencies $ 3,946 $ (49 ) $ — $ — Obligations of states and political subdivisions 39,737 (1,279 ) — — Private-label mortgage-backed securities — — 218 (23 ) Mortgage-backed securities 211,721 (5,266 ) 4,752 (96 ) SBA variable rate pools 22,076 (458 ) 4,189 (35 ) $ 277,480 $ (7,052 ) $ 9,159 $ (154 ) On a monthly basis management reviewed all of its private-label mortgage-backed securities for the presence of OTTI and during 2016 recorded $21 on five securities. Management’s evaluation included the use of independently-generated third-party credit surveillance reports that analyze the loans underlying each security. These reports include estimates of default rates and severities, life collateral loss rates, and static voluntary prepayment assumptions to generate estimated cash flows at the individual security level. Additionally, management considered factors such as downgraded credit ratings, severity and duration of the impairments, the stability of the issuers, and any discounts paid when the securities were purchased. Management has considered all available information related to the collectability of the impaired investment securities and believes that the estimated credit loss is appropriate. Following is a tabular roll-forward of the amount of credit-related OTTI recognized in earnings during 2016, 2015 and 2014: December 31, 2016 2015 2014 Balance, beginning of period: $ 249 $ 227 $ 227 Additions: OTTI credit loss recorded 21 22 — Less: OTTI reduction from sale or maturity — — — Balance, end of period: $ 270 $ 249 $ 227 At December 31, 2016, 9 of the Company’s private-label mortgage-backed securities with an amortized cost of $1,338 were classified as substandard as their ratings were below investment grade. Securities with an amortized cost of $1,506 were classified as substandard at December 31, 2015. At December 31, 2016 the projected average life of the securities portfolio was 4.9 years and its modified duration was 4.4 years. The amortized cost and estimated fair values of securities available-for-sale at December 31, 2015, were as follows: Gross Gross Estimated Percentage Amortized Unrealized Unrealized Fair of Cost Gains Losses Value Portfolio Unrealized Loss Positions Obligations of U.S. government agencies $ 14,491 $ — $ (119 ) $ 14,372 3.93 % Obligations of states and political subdivisions 13,438 — (149 ) 13,289 3.63 % Private-label mortgage-backed securities 663 — (33 ) 630 0.17 % Mortgage-backed securities 95,040 — (856 ) 94,184 25.75 % SBA variable rate pools 17,225 — (101 ) 17,124 4.68 % Corporate securities 899 — (5 ) 893 0.25 % $ 140,857 $ — $ (1,258 ) $ 139,599 38.41 % Unrealized Gain Positions Obligations of U.S. government agencies $ 29,669 $ 582 $ — $ 30,251 8.27 % Obligations of states and political subdivisions 80,119 3,743 — 83,862 22.93 % Private-label mortgage-backed securities 2,028 131 — 2,159 0.59 % Mortgage-backed securities 90,126 1,060 — 91,186 24.93 % SBA variable rate pools 18,560 88 — 18,648 5.10 % 220,502 5,604 — 226,106 61.82 % $ 361,359 $ 5,604 $ (1,258 ) $ 365,705 100.23 % The following table presents a summary of securities in a continuous unrealized loss position at December 31, 2015: Securities in Gross Securities in Gross Obligations of U.S. government agencies $ 14,372 $ (119 ) $ — $ — Obligations of states and political subdivisions 12,761 (145 ) 528 (4 ) Private-label mortgage-backed securities 240 (4 ) 390 (29 ) Mortgage-backed securities 87,896 (711 ) 6,288 (145 ) SBA variable rate pools 13,539 (78 ) 3,585 (23 ) Corporate securities 893 (5 ) — — $ 129,701 $ (1,062 ) $ 10,791 $ (201 ) The amortized cost and estimated fair value of securities at December 31, 2016, and 2015, are shown below by maturity or projected average life, depending on the type of security. Obligations of U.S. government agencies and states and political subdivisions are shown by contractual maturity. Mortgage-backed securities are shown by projected average life. December 31, 2016 2015 Amortized Estimated Amortized Estimated Due in one year or less $ 5,433 $ 5,442 $ 14,455 $ 14,513 Due after one year through 5 years 258,557 259,777 235,926 238,637 Due after 5 years through 10 years 193,063 189,049 109,017 110,539 Due after 10 years 17,829 16,728 2,860 2,909 $ 474,882 $ 470,996 $ 362,258 $ 366,598 During 2016, 58 investment securities were sold resulting in proceeds of $98,544. Of that total $54,450 related to securities acquired in the Foundation Bank acquisition, which were liquidated due to an alignment between the two portfolios. The total sales generated a gross gain of $552 and a gross loss of $179, totaling a net gain of $373. The specific identification method was used to determine the cost of the securities sold. During 2015, 61 investment securities were sold resulting in proceeds of $52,371. The sales generated a gross gain of $922 and a gross loss of $250, totaling a net gain of $672. The specific identification method was used to determine the cost of the securities sold. During 2014, 72 investment securities were sold resulting in proceeds of $25,570. The sales generated a gross gain of $318 and a gross loss of $352, totaling a net loss of $34. The specific identification method was used to determine the cost of the securities sold. The following table presents investment securities which were pledged to secure public deposits and repurchase agreements as permitted and required by law: December 31, 2016 2015 Amortized Estimated Amortized Estimated Pledged to secure public deposits $ 25,257 $ 25,683 $ 27,938 $ 29,052 Pledged to secure repurchase agreements 3,579 3,573 3,985 4,111 $ 28,836 $ 29,256 $ 31,923 $ 33,163 At December 31, 2016, and December 31, 2015, there was an outstanding balance for repurchase agreements of $1,966 and $71, respectively.

Loans, Allowance for Loan Losse

Loans, Allowance for Loan Losses, and Credit Quality Indicators	12 Months Ended
	Dec. 31, 2016
Receivables [Abstract]
Loans, Allowance for Loan Losses, and Credit Quality Indicators	NOTE 5 – LOANS, ALLOWANCE FOR LOAN LOSSES, AND CREDIT QUALITY INDICATORS Loans are stated at the amount of unpaid principal net of loan premiums or discounts for purchased loans, net deferred loan origination fees, discounts associated with retained portions of loans sold, and an allowance for loan losses. Interest on loans is calculated using the simple-interest method on daily balances of the principal amount outstanding. Loan origination fees, net of origination costs and discounts, are amortized over the lives of the loans as adjustments to yield. Major classifications of loans at December 31, 2016 and 2015 are as follows: December 31, % of gross December 31, % of gross 2016 loans 2015 loans Real estate secured loans: Multi-family residential $ 74,340 4.00 % $ 66,445 4.73 % Residential 1-4 family 61,548 3.31 % 53,776 3.82 % Owner-occupied commercial 461,557 24.82 % 364,742 25.94 % Nonowner-occupied commercial 451,893 24.30 % 300,774 21.39 % Total permanent real estate loans 1,049,338 56.43 % 785,737 55.88 % Construction loans: Multi-family residential 22,252 1.20 % 7,027 0.50 % Residential 1-4 family 43,532 2.34 % 30,856 2.19 % Commercial real estate 76,301 4.10 % 42,680 3.04 % Commercial bare land and acquisition & development 15,081 0.81 % 20,537 1.46 % Residential bare land and acquisition & development 10,645 0.57 % 7,268 0.52 % Total construction real estate loans 167,811 9.02 % 108,368 7.71 % Total real estate loans 1,217,149 65.45 % 894,105 63.59 % Commercial loans 630,491 33.89 % 501,976 35.70 % Consumer loans 2,922 0.16 % 3,351 0.24 % Other loans 9,225 0.50 % 6,580 0.47 % Gross loans 1,859,787 100.00 % 1,406,012 100.00 % Deferred loan origination fees (2,020 ) (1,530 ) 1,857,767 1,404,482 Allowance for loan losses (22,454 ) (17,301 ) Total loans, net of allowance for loan losses and net deferred fees $ 1,835,313 $ 1,387,181 At December 31, 2016, outstanding loans to dental professionals totaled $377,478 and represented 20.30% of total outstanding loans compared to dental professional loans of $340,162 or 24.19% of total loans at December 31, 2015. Additional information about the Company’s dental portfolio can be found in Note 6. There are no other industry concentrations in excess of 10.00% of the total loan portfolio. However, as of December 31, 2016, 65.45% of the Company’s loan portfolio was collateralized by real estate and is, therefore, susceptible to changes in local market conditions. While appropriate action is taken to manage identified concentration risks, management believes that the loan portfolio is well diversified by geographic location and among industry groups. Acquired Loans The following table represents the contractually required principal payments, net of any previous charge offs, and the carrying balance of loans acquired in the Century Bank, Capital Pacific Bank and Foundation Bank acquisitions, at December 31, 2016, 2015 and 2014, respectively. December 31, 2016 2015 2014 Contractually required principal payments, net of charge offs $ 373,674 $ 183,347 $ 28,187 Purchase adjustment for credit and interest rate (11,297 ) (3,958 ) (881 ) Balance of acquired loans $ 362,377 $ 179,389 $ 27,306 Purchased Credit Impaired Loans On September 6, 2016, the Bank acquired purchased credit impaired loans with a fair value of $19,510, associated with the Foundation Bank Acquisition. The contractually required principal and interest payments at acquisition totaled $21,575, of which $919 were not expected to be collected. The following table represents the contractually required principal balance of purchased credit impaired loans and the carrying balance at December 31, 2016, 2015 and 2014: December 31, 2016 2015 2014 Contractually required principal payments for purchased credit impaired loans $ 22,941 $ 11,528 $ 2,753 Accretable yield (1,453 ) (1,070 ) (151 ) Nonaccretable yield (809 ) (378 ) (321 ) Balance of purchased credit impaired loans $ 20,679 $ 10,080 $ 2,281 The following tables summarize the changes in the accretable yield for purchased credit impaired loans for the year ended December 31, 2016 and 2015: Year ended December 31, 2016 Century Capital Pacific Foundation Total Balance, beginning of period $ 40 $ 1,030 $ — $ 1,070 Additions — — 908 908 Accretion to interest income (40 ) (265 ) (220 ) (525 ) Balance, end of period $ — $ 765 $ 688 $ 1,453 Year ended December 31, 2015 Century Capital Pacific Total Balance, beginning of period $ 151 $ — $ 151 Additions — 1,569 1,569 Accretion to interest income (111 ) (539 ) (650 ) Balance, end of period $ 40 $ 1,030 $ 1,070 Allowance for Loan Losses The allowance for loan losses is established as an amount that management considers adequate to absorb possible losses on existing loans within the portfolio. The allowance consists of general, specific, and unallocated components. The general component is based upon all loans collectively evaluated for impairment. The specific component is based upon all loans individually evaluated for impairment. The unallocated component represents credit losses inherent in the loan portfolio that may not have been contemplated in the general risk factors or the specific allowance analysis. Loans are charged against the allowance when management believes the collection of principal and interest is unlikely. The Company performs regular credit reviews of the loan portfolio to determine the credit quality and adherence to underwriting standards. When loans are originated, they are assigned a risk rating that is reassessed periodically during the term of the loan through the credit review process. The Company’s internal risk rating methodology assigns risk ratings ranging from one to ten, where a higher rating represents higher risk. The ten-point risk rating categories are a primary factor in determining an appropriate amount for the allowance for loan losses. Estimated credit losses reflect consideration of all significant factors that affect the collectability of the loan portfolio. The historical loss rate for each group of loans with similar risk characteristics is determined based on the Company’s own loss experience in that group. Historical loss experience and recent trends in losses provides a reasonable starting point for analysis, however they do not by themselves form a sufficient basis to determine the appropriate level for the allowance for loan losses. Qualitative or environmental factors that are likely to cause estimated credit losses to differ from historical losses are also considered including but not limited to: • Changes in international, regional, and local economic and business conditions and developments that affect the collectability of the portfolio, including the condition of various market segments, • Changes in the nature and volume of the portfolio and in the terms of loans, • Changes in the volume and severity of past due loans, the volume of nonaccrual loans, and the volume and severity of adversely classified or graded loans, • Changes in the quality of the institution’s loan review system, • Changes in the value of underlying collateral for collateral-dependent loans, • The existence and effect of any concentrations of credit, and changes in the level of such concentrations, • The effect of other external factors such as competition and legal and regulatory requirements on the level of estimated credit losses in the institution’s existing portfolio, • Changes in lending policies and procedures, including changes in underwriting standards and collection, charge-off, and recovery practices not considered elsewhere in estimating credit losses, and • Changes in the current and future US political environment, including healthcare reform, federal tax structure, and immigration reform that may affect national, regional and local economic conditions, taxation, or disruption of national or global financial markets. The adequacy of the allowance for loan losses and the reserve for unfunded commitments is determined using a consistent, systematic methodology and is monitored regularly based on management’s evaluation of numerous factors. For each portfolio segment, these factors include: • The quality of the current loan portfolio, • The trend in the migration of the loan portfolio’s risk ratings, • The velocity of migration of losses and potential losses, • Current economic conditions, • Loan concentrations, • Loan growth rates, • Past-due and nonperforming trends, • Evaluation of specific loss estimates for all significant problem loans, • Recovery experience, and • Peer comparison loss rates. The following tables present a summary of the activity in the allowance for loan losses by major loan classification for the periods ended December 31, 2016, 2015 and 2014: For the year ended December 31, 2016 Commercial Real Construction Consumer Unallocated Total Beginning balance $ 6,349 $ 8,297 $ 1,258 $ 46 $ 1,351 $ 17,301 Charge-offs (716 ) — — (9 ) — (725 ) Recoveries 207 55 163 3 — 428 Provision (reclassification) 2,774 2,520 360 1 (205 ) 5,450 Ending balance $ 8,614 $ 10,872 $ 1,781 $ 41 $ 1,146 $ 22,454 For the year ended December 31, 2015 Commercial Real Construction Consumer Unallocated Total Beginning balance $ 5,733 $ 7,494 $ 1,077 $ 54 $ 1,279 $ 15,637 Charge-offs (630 ) (61 ) — (9 ) — (700 ) Recoveries 562 76 16 15 — 669 Provision (reclassification) 684 788 165 (14 ) 72 1,695 Ending balance $ 6,349 $ 8,297 $ 1,258 $ 46 $ 1,351 $ 17,301 For the year ended December 31, 2014 Commercial Real Construction Consumer Unallocated Total Beginning balance $ 5,113 $ 7,668 $ 1,493 $ 68 $ 1,575 $ 15,917 Charge-offs (610 ) (58 ) (155 ) (12 ) — (835 ) Recoveries 348 186 16 5 — 555 Provision (reclassification) 882 (302 ) (277 ) (7 ) (296 ) — Ending balance $ 5,733 $ 7,494 $ 1,077 $ 54 $ 1,279 $ 15,637 The following table presents the allowance and recorded investment in loans by major loan classification at December 31, 2016, and 2015: December 31, 2016 Commercial Real Estate Construction Consumer Unallocated Total Ending allowance: collectively evaluated for impairment $ 7,881 $ 10,869 $ 1,781 $ 41 $ 1,146 $ 21,718 Ending allowance: individually evaluated for impairment 733 3 — — — 736 Ending allowance: loans acquired with deteriorated credit quality — — — — — — Total ending allowance $ 8,614 $ 10,872 $ 1,781 $ 41 $ 1,146 $ 22,454 Ending loan balance: collectively evaluated for impairment $ 628,773 $ 1,027,354 $ 167,491 $ 2,922 $ — $ 1,826,540 Ending loan balance: individually evaluated for impairment 4,396 7,852 320 — — 12,568 Ending loan balance: loans acquired with deteriorated credit quality 6,547 14,132 — — — 20,679 Total ending loan balance $ 639,716 $ 1,049,338 $ 167,811 $ 2,922 $ — $ 1,859,787 December 31, 2015 Commercial Real Estate Construction Consumer Unallocated Total Ending allowance: collectively evaluated for impairment $ 6,303 $ 8,267 $ 1,159 $ 46 $ 1,351 $ 17,126 Ending allowance: individually evaluated for impairment 46 30 99 — — 175 Ending allowance: loans acquired with deteriorated credit quality — — — — — — Total ending allowance $ 6,349 $ 8,297 $ 1,258 $ 46 $ 1,351 $ 17,301 Ending loan balance: collectively evaluated for impairment $ 504,261 $ 771,915 $ 107,605 $ 3,351 $ — $ 1,387,132 Ending loan balance: individually evaluated for impairment 2,627 5,782 391 — — 8,800 Ending loan balance: loans acquired with deteriorated credit quality 1,668 8,040 372 — — 10,080 Total ending loan balance $ 508,556 $ 785,737 $ 108,368 $ 3,351 $ — $ 1,406,012 The 2016 ending allowance includes $736 in specific allowance for $12,568 of impaired loans ($10,567 net of government guarantees). At December 31, 2015, the Company had $8,800 of impaired loans ($7,527 net of government guarantees) with a specific allowance of $175 assigned. Management believes that the allowance for loan losses was adequate as of December 31, 2016. However, future loan losses may exceed the levels provided for in the allowance for loan losses and could possibly result in additional charges to the provision for loan losses. Credit Quality Indicators The Company uses the following loan grades, which are also often used by regulators when assessing the credit quality of a loan portfolio. Pass Special Mention Substandard Doubtful Management strives to consistently apply these definitions when allocating its loans by loan grade. The loan portfolio is continuously monitored for changes in credit quality and management takes appropriate action to update the loan risk ratings accordingly. Management has not changed the Company’s policy towards its use of credit quality indicators during the periods reported. The following tables present the Company’s loan portfolio information by loan type and credit grade at December 31, 2016, and 2015: Credit Quality Indicators As of December 31, 2016 Loan Grade Pass Special Mention Substandard Doubtful Totals Real estate loans Multi-family residential $ 74,340 $ — $ — $ — $ 74,340 Residential 1-4 family 58,286 — 3,262 — 61,548 Owner-occupied commercial 443,737 — 17,820 — 461,557 Nonowner-occupied commercial 445,283 — 6,610 — 451,893 Total real estate loans 1,021,646 — 27,692 — 1,049,338 Construction Multi-family residential 22,252 — — — 22,252 Residential 1-4 family 43,532 — — — 43,532 Commercial real estate 76,301 — — — 76,301 Commercial bare land and acquisition & development 15,081 — — — 15,081 Residential bare land and acquisition & development 9,852 — 793 — 10,645 Total construction loans 167,018 — 793 — 167,811 Commercial and other 621,165 — 16,890 1,661 639,716 Consumer 2,922 — — — 2,922 Totals $ 1,812,751 $ — $ 45,375 $ 1,661 $ 1,859,787 Percentage of total portfolio 97.47 % 0.00 % 2.44 % 0.09 % 100.00 % Credit Quality Indicators As of December 31, 2015 Loan Grade Pass Special Mention Substandard Doubtful Totals Real estate loans Multi-family residential $ 66,208 $ — $ 237 $ — $ 66,445 Residential 1-4 family 49,077 — 4,699 — 53,776 Owner-occupied commercial 353,249 — 11,493 — 364,742 Nonowner-occupied commercial 296,528 — 4,246 — 300,774 Total real estate loans 765,062 — 20,675 — 785,737 Construction Multi-family residential 7,027 — — — 7,027 Residential 1-4 family 30,803 — 53 — 30,856 Commercial real estate 42,580 — 100 — 42,680 Commercial bare land and acquisition & development 20,265 — 272 — 20,537 Residential bare land and acquisition & development 4,969 — 2,299 — 7,268 Total construction loans 105,644 — 2,724 — 108,368 Commercial and other 494,267 — 14,289 — 508,556 Consumer 3,350 — 1 — 3,351 Totals $ 1,368,323 $ — $ 37,689 $ — $ 1,406,012 Percentage of total portfolio 97.32 % 0.00 % 2.68 % 0.00 % 100.00 % Past Due and Nonaccrual Loans The Company uses the terms “past due” and “delinquent” interchangeably. Amortizing loans are considered past due or delinquent based upon the number of contractually required payments not made. Delinquency status for all contractually matured loans, commercial and commercial real estate loans with non-monthly amortization, and all other extensions of credit is determined based upon the number of calendar months past due. The following tables present an aged analysis of past due and nonaccrual loans at December 31, 2016, and 2015: Aged Analysis of Loans Receivable As of December 31, 2016 Greater 30-59 Days 60-89 Days Than Total Past Past Due Past Due 90 Days Due and Total Total Loans Still Accruing Still Accruing Still Accruing Nonaccrual Nonaccrual Current Receivable Real estate loans Multi-family residential $ — $ — $ — $ — $ — $ 74,340 $ 74,340 Residential 1-4 family — — — 158 158 59,241 59,399 Owner-occupied commercial — — — — — 452,748 452,748 Nonowner-occupied commercial — — — 601 601 448,118 448,719 Total real estate loans — — — 759 759 1,034,447 1,035,206 Construction Multi-family residential — — — — — 22,252 22,252 Residential 1-4 family — — — — — 43,532 43,532 Commercial real estate — — — — — 76,301 76,301 Commercial bare land and acquisition & development — — — — — 15,081 15,081 Residential bare land and acquisition & development — — — — — 10,645 10,645 Total construction loans — — — — — 167,811 167,811 Commercial and other 363 366 — 2,794 3,523 629,646 633,169 Consumer — — — — — 2,922 2,922 Total $ 363 $ 366 $ — $ 3,553 $ 4,282 $ 1,834,826 $ 1,839,108 Percentage of total portfolio 0.02 % 0.02 % 0.00 % 0.19 % 0.23 % 99.77 % 100.00 % Aged Analysis of Loans Receivable As of December 31, 2015 Greater 30-59 Days 60-89 Days Than Total Past Past Due Past Due 90 Days Due and Total Total Loans Still Accruing Still Accruing Still Accruing Nonaccrual Nonaccrual Current Receivable Real estate loans Multi-family residential $ — $ — $ — $ — $ — $ 66,445 $ 66,445 Residential 1-4 family — — — 374 374 51,578 51,952 Owner-occupied commercial — — — — — 359,065 359,065 Nonowner-occupied commercial — — — 750 750 299,485 300,235 Total real estate loans — — — 1,124 1,124 776,573 777,697 Construction Multi-family residential — — — — — 7,027 7,027 Residential 1-4 family 480 — — 53 533 30,323 30,856 Commercial real estate — — — — — 42,580 42,580 Commercial bare land and acquisition & development — — — — — 20,265 20,265 Residential bare land and acquisition & development — — — — — 7,268 7,268 Total construction loans 480 — — 53 533 107,463 107,996 Commercial and other — — — 1,495 1,495 505,393 506,888 Consumer 1 3 — — 4 3,347 3,351 Total $ 481 $ 3 $ — $ 2,672 $ 3,156 $ 1,392,776 $ 1,395,932 Percentage of total portfolio 0.03 % 0.00 % 0.00 % 0.19 % 0.23 % 99.77 % 100.00 % Impaired Loans Regular credit reviews of the portfolio are performed to identify loans that are considered potentially impaired. Potentially impaired loans are referred to the ALCO for review and are included in the specific calculation of allowance for loan losses. A loan is considered impaired when, based on current information and events, the Company is unlikely to collect all principal and interest due according to the terms of the loan agreement. When the amount of the impairment represents a confirmed loss, it is charged off against the allowance for loan losses. Impaired loans are often reported net of government guarantees to the extent that the guarantees are expected to be collected. Impaired loans generally include all loans classified as nonaccrual and troubled debt restructurings. Accrual of interest is discontinued on impaired loans when management believes that, after considering economic and business conditions and collection efforts, the borrower’s financial condition is such that collection of principal or interest is doubtful. Accrued, but uncollected interest is generally reversed when loans are placed on nonaccrual status. Interest income is subsequently recognized only to the extent cash payments are received satisfying all delinquent principal and interest amounts, and the prospects for future payments in accordance with the loan agreement appear relatively certain. In accordance with GAAP, payments received on nonaccrual loans are applied to the principal balance and no interest income is recognized. Interest income may be recognized on impaired loans that are not on nonaccrual status. The following tables display an analysis of the Company’s impaired loans at December 31, 2016, and 2015: Impaired Loan Analysis As of December 31, 2016 Recorded Recorded With Specific Recorded Unpaid Average Related Real estate Multi-family residential $ — $ — $ — $ — $ — $ — Residential 1-4 family 454 300 754 775 644 1 Owner-occupied commercial 4,106 865 4,971 4,971 1,804 2 Nonowner-occupied commercial 2,127 — 2,127 2,189 2,228 — Total real estate loans 6,687 1,165 7,852 7,935 4,676 3 Construction Multi-family residential — — — — — — Residential 1-4 family — — — — 37 — Commercial real estate — — — — — — Commercial bare land and acquisition & development — — — — — — Residential bare land and acquisition & development 320 — 320 320 1,556 — Total construction loans 320 — 320 320 1,593 — Commercial and other 2,255 2,141 4,396 4,767 3,518 733 Consumer — — — — — — Total impaired loans $ 9,262 $ 3,306 $ 12,568 $ 13,022 $ 9,787 $ 736 Impaired Loan Analysis As of December 31, 2015 Recorded Recorded With Specific Recorded Unpaid Average Related Real estate Multi-family residential $ — $ — $ — $ — $ — $ — Residential 1-4 family 374 308 682 911 766 5 Owner-occupied commercial 2,788 — 2,788 2,788 1,177 — Nonowner-occupied commercial 2,287 25 2,312 2,374 2,395 25 Total real estate loans 5,449 333 5,782 6,073 4,338 30 Construction Multi-family residential — — — — — — Residential 1-4 family 53 — 53 72 32 — Commercial real estate — — — — — — Commercial bare land and acquisition & development — — — — — — Residential bare land and acquisition & development — 338 338 338 347 99 Total construction loans 53 338 391 410 379 99 Commercial and other 2,091 536 2,627 3,018 2,404 46 Consumer — — — — — — Total impaired loans $ 7,593 $ 1,207 $ 8,800 $ 9,501 $ 7,121 $ 175 The impaired balances reported above are not adjusted for government guarantees of $2,001 and $1,273 at December 31, 2016, and 2015, respectively. The recorded investment in impaired loans, net of government guarantees, totaled $10,567 and $7,527 at December 31, 2016, and 2015, respectively. Troubled Debt Restructurings In the normal course of business, the Company may modify the terms of certain loans, attempting to protect as much of its investment as possible. Management evaluates the circumstances surrounding each modification to determine whether it is a troubled debt restructuring (“TDR”). TDRs exist when 1) the restructuring constitutes a concession, and 2) the debtor is experiencing financial difficulties. The following table displays the Company’s TDRs by class at December 31, 2016, and 2015: Troubled Debt Restructurings as of December 31, 2016 December 31, 2015 Number of Outstanding Number of Outstanding Real estate Multifamily residential — $ — — $ — Residential 1-4 family 4 754 6 682 Owner-occupied commercial 4 5,447 3 2,788 Non owner-occupied commercial 6 2,127 7 2,312 Total real estate loans 14 8,328 16 5,782 Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other 16 2,901 11 2,170 Consumer — — — — 30 $ 11,229 27 $ 7,952 The recorded investment on TDRs in nonaccrual status totaled $2,250 and $1,807 at December 31, 2016, and December 31, 2015, respectively. The Bank’s policy is that loans placed on non-accrual will typically remain on non-accrual status until all principal and interest payments are brought current and the prospect for future payment in accordance with the loan agreement appear relatively certain. The Bank’s policy generally refers to six months of payment performance as sufficient to warrant a return to accrual status. For the twelve months ended December 31, 2016, the Company restructured 10 loans into troubled debt restructurings for which impairment was previously measured under the Company’s general loan loss allowance methodology. The total recorded investment in such receivables was $5,870, and the associated allowance for loan losses was $11 at December 31, 2016. The types of modifications offered can generally be described in the following categories: Rate Modification Term Modification Interest Only Modification Combination Modification The following tables present newly restructured loans that occurred during the twelve months ended December 31, 2016, and 2015, respectively: Troubled Debt Restructurings Restructured during the twelve months ended December 31, 2016 Rate Term Interest Only Combination Real estate Multifamily residential $ — $ — $ — $ — Residential 1-4 family — — — 296 Owner-occupied commercial — — 4,478 — Non owner-occupied commercial — — — — Total real estate loans — — 4,478 296 Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other — — 445 651 Consumer — — — — $ — $ — $ 4,923 $ 947 Troubled Debt Restructurings Restructured during the twelve months ended December 31, 2015 Rate Term Interest Only Combination Real estate Multifamily residential $ — $ — $ — $ — Residential 1-4 family — — — — Owner-occupied commercial — 1,780 — — Non owner-occupied commercial — — — — Total real estate loans — 1,780 — — Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other 297 — — — Consumer — — — — $ 297 $ 1,780 $ — $ — Subsequent to a loan being classified as a TDR, a borrower may become unwilling or unable to abide by the terms of the modified agreement. In such cases of default, the Company takes appropriate action to secure additional payments including the use of foreclosure proceedings. The following table presents loans receivable modified as troubled debt restructurings that subsequently defaulted within twelve months during the period: Troubled Debt Restructurings 2016 2015 Number of Recorded Number of Recorded Real estate Multifamily residential — $ — — $ — Residential 1-4 family — — — — Owner-occupied commercial 1 475 — — Non owner-occupied commercial — — — — Total real estate loans 1 475 — — Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other — — — — Consumer — — — — 1 $ 475 — $ — At December 31, 2016, and December 31, 2015, the Company had no commitments to lend additional funds on loans restructured as TDRs.

Dental Loan Portfolio

Dental Loan Portfolio	12 Months Ended
	Dec. 31, 2016
Text Block [Abstract]
Dental Loan Portfolio	NOTE 6 – DENTAL LOAN PORTFOLIO: To assist in understanding the concentrations and risks associated with the Bank’s loan portfolio, the following Note has been included to provide additional information relating to the Bank’s dental lending portfolio. At December 31, 2016, and 2015, loans to dental professionals totaled $377,478 and $340,162, respectively, and represented 20.30% and 24.19% of outstanding loans. As of December 31, 2016, and 2015, dental loans supported by government guarantees totaled $5,641 and $9,027, respectively. This represented 1.49% and 2.65% of the outstanding dental loan balances, respectively as of such dates. The Company defines a “dental loan” as loan to dental professionals for the purpose of practice expansion, acquisition or other purpose, supported by the cash flows of a dental practice. Loan Classification Major classifications of dental loans, at December 31, 2016, and 2015, are as follows: December 31, 2016 2015 Real estate secured loans: Owner-occupied commercial $ 63,793 $ 56,145 Other dental real estate loans 806 2,198 Total permanent real estate loans 64,599 58,343 Dental construction loans 4,109 4,334 Total real estate loans 68,708 62,677 Commercial loans 308,770 277,485 Gross loans $ 377,478 $ 340,162 Market Area The Bank’s defined “market area” is within the States of Oregon and Washington west of the Cascade Mountain Range. This area is serviced by branch locations in Eugene, Portland and Seattle. The Company also makes national dental loans throughout the United States, and currently has dental loans in 44 states, including Oregon and Washington. National loan relationships are maintained and serviced by Bank personnel primarily located in Portland. The following table represents the dental lending by borrower location: December 31, 2016 2015 Local $ 150,268 $ 145,817 National 227,210 194,345 Total $ 377,478 $ 340,162 Allowance The allowance for loan losses identified for the dental loan portfolio is established as an amount that management considers adequate to absorb possible losses on existing loans within the dental portfolio. The allowance related to the dental loan portfolio consists of general and specific components. The general component is based upon all dental loans collectively evaluated for impairment, including qualitative conditions associated with: loan type, out-of-market location, start-up financing, practice acquisition financing and specialty practice financing. The specific component is based upon dental loans individually evaluated for impairment. For the Years Ended December 31, 2016 2015 2014 Balance, beginning of period $ 4,022 $ 4,141 $ 3,730 Provision (reclassification) 636 (71 ) 918 Charge-offs (9 ) (78 ) (631 ) Recoveries 64 30 124 Balance, end of period $ 4,713 $ 4,022 $ 4,141 Credit Quality Please refer to Note 5 for additional information on the definitions of the credit quality indicators. The following tables present the Company’s dental loan portfolio information by market and credit grade at December 31, 2016 and 2015: Dental Credit Quality Indicators As of December 31, 2016 Loan Grade Pass Special Substandard Doubtful Totals Local $ 148,805 $ — $ 1,463 $ — $ 150,268 National 224,493 — 1,056 1,661 227,210 Total $ 373,298 $ — $ 2,519 $ 1,661 $ 377,478 Dental Credit Quality Indicators As of December 31, 2015 Loan Grade Pass Special Substandard Doubtful Totals Local $ 143,541 $ — $ 2,276 $ — $ 145,817 National 191,574 — 2,771 — 194,345 Total $ 335,115 $ — $ 5,047 $ — $ 340,162 Past Due and Nonaccrual Loans Please refer to Note 5 for additional information on the definitions of “past due.” The following tables present an aged analysis of the dental loans by market, including nonaccrual loans, at December 31, 2016 and 2015: Aged Analysis of Dental Loans Receivable As of December 31, 2016 30-59 Days 60-89 Days Greater Than Nonaccrual Total Past Total Total Loans Local $ — $ — $ — $ 407 $ 407 $ 149,861 $ 150,268 National 263 366 — 1,660 2,289 224,921 227,210 Total $ 263 $ 366 $ — $ 2,067 $ 2,696 $ 374,782 $ 377,478 Aged Analysis of Dental Loans Receivable As of December 31, 2015 30-59 Days 60-89 Days Greater Than Nonaccrual Total Past Total Total Loans Local $ — $ — $ — $ 513 $ 513 $ 145,304 $ 145,817 National — — — — — 194,345 194,345 Total $ — $ — $ — $ 513 $ 513 $ 339,649 $ 340,162

Loan Participations and Servici

Loan Participations and Servicing	12 Months Ended
	Dec. 31, 2016
Text Block [Abstract]
Loan Participations and Servicing	NOTE 7 – LOAN PARTICIPATIONS AND SERVICING: In the normal course of business the Company may sell portions of loans to other institutions for cash in order to extend its lending capacity or to mitigate risk. These sales are commonly referred to as loan participations. Loan participations are performed without recourse and the participant’s interest is ratably concurrent with that retained by the Company. Cash flows are shared proportionately and neither the Company’s nor the participant’s interest is subordinated. The Company retains servicing rights and manages the client relationships for a reasonable servicing fee. The participated portion of these loans is not included in the accompanying consolidated balance sheets, and the servicing component of these transactions in the aggregate is material to the consolidated financial statements. The Company’s exposure to loss is limited to its retained interest in the loans. The following table reflects the amounts of loans participated. December 31, 2016 2015 Total principal amount outstanding $ 61,130 $ 74,018 less: principal amount derecognized (28,467 ) (37,211 ) Principal amount included in gross loans on the balance sheet $ 32,663 $ 36,807

Property and Equipment

Property and Equipment	12 Months Ended
	Dec. 31, 2016
Property, Plant and Equipment [Abstract]
Property and Equipment	NOTE 8 – PROPERTY AND EQUIPMENT: The balance of property and equipment net of accumulated depreciation and amortization at December 31, 2016 and 2015, consists of the following: December 31, 2016 2015 Land $ 3,831 $ 3,831 Buildings and improvements 20,343 19,244 Furniture and equipment 16,794 14,310 40,968 37,385 less: accumulated depreciation & amortization (20,760 ) (19,371 ) Net property and equipment $ 20,208 $ 18,014 Depreciation expense was $1,389, $1,531, and $1,491, for the years ended December 31, 2016, 2015, and 2014, respectively. The Company leases certain facilities for office locations under non-cancelable operating lease agreements expiring through 2031. Rent expense related to these leases totaled $1,695, $1,542, and $1,324, in 2016, 2015, and 2014, respectively. The Company leases approximately 26.00% of its Gateway building (Springfield, Oregon) to others under non-cancelable Future minimum payments required and anticipated lease revenues under these leases are: Lease Property 2017 $ 1,755 $ 250 2018 1,650 254 2019 1,540 258 2020 1,127 228 2021 851 172 Thereafter 4,079 — $ 11,002 $ 1,162

Goodwill and Intangible Assets

Goodwill and Intangible Assets	12 Months Ended
	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	NOTE 9 – GOODWILL AND INTANGIBLE ASSETS: The following table summarizes the changes in the Company’s goodwill and core deposit intangible asset for the three years ended December 31, 2016, 2015 and 2014: Goodwill Core Total Balance, December 31, 2013 $ 22,881 $ 735 $ 23,616 Amortization — (121 ) (121 ) Balance, December 31, 2014 $ 22,881 $ 614 $ 23,495 Increase due to Capital Pacific acquisition 16,374 3,721 20,095 Amortization — (431 ) (431 ) Balance, December 31, 2015 $ 39,255 $ 3,904 $ 43,159 Increase due to Capital Pacific acquisition 771 — 771 Increase due to Foundation acquisition 21,375 5,762 27,137 Amortization — (685 ) (685 ) Balance, December 31, 2016 $ 61,401 $ 8,981 $ 70,382 At December 31, 2016, the Company had a recorded balance of $61,401 in goodwill from the November 30, 2005, acquisition of Northwest Business Financial Corporation (“NWBF”), the February 1, 2013, acquisition of Century Bank, the March 6, 2016, acquisition of Capital Pacific Bank, and the September 6, 2016, acquisition of Foundation Bank. The Century Bank, Capital Pacific Bank, and Foundation Bank core deposit intangibles were determined to have an expected life of seven years, ten years and ten years, respectively, and each is being amortized over its respective period using the straight-line method. The Century Bank core deposit intangible will be fully amortized in January 2020, the Capital Pacific Bank core deposit intangible will be fully amortized in February 2025, and the Foundation Bank core deposit intangible will be fully amortized in August 2026. The table below presents the forecasted amortization expense for intangible assets related to the acquisition of Century Bank, Capital Pacific Bank, and Foundation Bank. Year Expected 2017 $ 1,069 2018 1,069 2019 1,069 2020 958 2021 948 Thereafter 3,868 $ 8,981

Deposits

Deposits	12 Months Ended
	Dec. 31, 2016
Banking and Thrift [Abstract]
Deposits	NOTE 10 – DEPOSITS: Scheduled maturities or repricing of time deposits at December 31, 2016, are as follows: December 31, 2016 2017 $ 87,701 2018 25,640 2019 28,049 2020 17,286 2021 7,842 Thereafter 12,365 $ 178,883 Time deposits with balances of $250 or greater were $63,370 at December 31, 2016.

Securities Sold Under Agreement

Securities Sold Under Agreement to Repurchase	12 Months Ended
	Dec. 31, 2016
Brokers and Dealers [Abstract]
Securities Sold Under Agreement to Repurchase	NOTE 11 – SECURITIES SOLD UNDER AGREEMENT TO REPURCHASE: The Company sells certain securities under agreements to repurchase with its customers. The agreements transacted with its customers are utilized as an overnight investment product. The amounts received under these agreements represent short-term borrowings and are reflected as a liability in the consolidated balance sheets. The securities underlying these agreements are included in investment securities in the consolidated balance sheets. The Company has no control over the market value of the securities, which fluctuates due to market conditions. However, the Company is obligated to promptly transfer additional securities if the market value of the securities falls below the repurchase agreement price. The Company manages this risk by maintaining an unpledged securities portfolio that it believes is sufficient to cover a decline in the market value of the securities sold under agreements to repurchase. All securities sold under agreements to repurchase had a daily maturity date. See Note 4 in the Notes to Consolidated Financial Statements 10-K The following table presents information regarding securities sold under agreements to repurchase at December 31, 2016 and 2015. December 31, 2016 2015 Balance at end of period $ 1,966 $ 71 Average Balance outstanding for the period 702 183 Maximum amount outstanding at any month end during the period 2,107 618 Weighted average interest rate for the period 0.06 % 0.00 % weighted average interest rate at period end 0.08 % 0.00 %

Federal Funds and Overnight Fun

Federal Funds and Overnight Funds Purchased	12 Months Ended
	Dec. 31, 2016
Text Block [Abstract]
Federal Funds and Overnight Funds Purchased	NOTE 12 – FEDERAL FUNDS AND OVERNIGHT FUNDS PURCHASED: The Company had unsecured federal funds borrowing lines with various correspondent banks totaling $154,000 at December 31, 2016 and $129,000 at December 31, 2015, with interest rates payable at the then stated rate. At December 31, 2016, and December 31, 2015, there were no outstanding borrowings on this line. The Company also had a secured overnight borrowing line available from the Federal Reserve Bank that totaled $80,784 and $76,912 at December 31, 2016, and 2015, respectively. The Federal Reserve Bank borrowing line is secured through the pledging of approximately $143,679 of commercial loans under the Company’s Borrower-In-Custody

Federal Home Loan Bank Borrowin

Federal Home Loan Bank Borrowings	12 Months Ended
	Dec. 31, 2016
Banking and Thrift [Abstract]
Federal Home Loan Bank Borrowings	NOTE 13 – FEDERAL HOME LOAN BANK BORROWINGS: The Company has a borrowing limit with the FHLB equal to 35.00% of total assets, subject to discounted collateral. The Company does have the ability to access the FHLB excess stock pool, thus borrowing is not limited by FHLB stock held. At December 31, 2016, the maximum borrowing line was $889,503; however, the FHLB borrowing line was limited by the discounted value of collateral pledged. The Company had pledged $867,596 in real estate loans to the FHLB that had a discounted value of $632,202. There was $65,000 borrowed on this line at December 31, 2016. At December 31, 2015, the maximum FHLB borrowing line was $657,086, and the Company had pledged real estate loans and securities to the FHLB with a discounted value of $414,044. There was $77,500 borrowed on this line at December 31, 2015. FHLB borrowings by year of maturity and applicable interest rate are summarized as follows as of December 31, 2016: Current December 31, Rates 2016 Cash management advance 0.70 % $ 57,000 2017 2.28 % 3,000 2018 1.55 % 3,000 2019 — — 2020 — — Thereafter 3.85 % 2,000 $ 65,000

Borrowed Funds

Borrowed Funds	12 Months Ended
	Dec. 31, 2016
Debt Disclosure [Abstract]
Borrowed Funds	NOTE 14 – BORROWED FUNDS: Subordinated Debentures In June 2016, the Company issued $35,000 in aggregate principal amount of fixed-to-floating The Notes are included in Tier 2 capital (with certain limitations applicable) under current regulatory guidelines and interpretations. Junior Subordinated Debentures In connection with the November 2005 acquisition of NWB Financial Corporation, the Company formed a wholly owned Delaware statutory business trust subsidiary, Pacific Continental Corporation Capital Trust (the “Trust”), which issued $8,248 of guaranteed undivided beneficial interests in the Company’s Junior Subordinated Deferrable Interest Debentures (“Trust Preferred Securities”). These debentures qualify as Tier 1 capital under Federal Reserve Board guidelines. All of the common securities of the Trust are owned by the Company. The proceeds from the issuance of the common securities and the Trust Preferred Securities were used by the Trust to purchase $8,248 of junior subordinated debentures of the Company. The debentures, which represent the sole asset of the Trust, accrued and paid distributions quarterly at a fixed rate of 6.265% per annum of the stated liquidation value of $1 per capital security. At January 7, 2012, the interest rate changed to a variable rate of three-month LIBOR plus 135 basis points. See Note 15 for additional information regarding the interest rate swap agreement executed on the debenture in 2013. The Company has entered into contractual arrangements which, taken collectively, fully and unconditionally guarantee payment of (1) accrued and unpaid distributions required to be paid on the Trust Preferred Securities, (2) the redemption price with respect to any Trust Preferred Securities called for redemption by the Trust, and (3) payments due upon a voluntary or involuntary dissolution, winding up, or liquidation of the Trust. The Trust Preferred Securities are mandatorily redeemable upon maturity of the debentures on January 7, 2036, or upon earlier redemption as provided in the indenture. The Company has the right to redeem the debentures purchased by the Trust in whole or in part, on or after, January 7, 2012. As specified in the indenture, if the debentures are redeemed prior to maturity, the redemption price will be the principal amount and any accrued interest. For the years ended December 31, 2016, 2015, and 2014, the Company recognized net interest expense of $228, $226, and $225, respectively, related to the Trust Preferred Securities. On September 6, 2016, the Company completed the acquisition of Foundation Bancorp. At that time, the Company assumed ownership of Foundation Statutory Trust I, which had previously issued $6,000 in aggregate liquidation amount of trust preferred securities. The interest rate on the these trust preferred securities is a floating rate of three-month LIBOR plus 173 basis points. The Company also acquired $6,186 of junior subordinated debentures (the “Foundation Debentures”) to the trust in exchange for ownership of all of the common security of the trust and the proceeds of the preferred securities sold by the trust. In accordance with current accounting guidance, the trust is not consolidated in the Company’s financial statements, but rather the Foundation Debentures are shown as a liability, and acquired at an acquisition date fair value of $3,013. For the year ended December 31, 2016, the Company recognized net interest expense of $50, related to the Foundation trust preferred securities. The Debentures and the Foundation Debentures are included in the Company’s Tier I capital (with certain limitations applicable) under current regulatory guidelines and interpretations.

Derivative Instruments

Derivative Instruments	12 Months Ended
	Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments	NOTE 15 – DERIVATIVE INSTRUMENTS: During the second quarter 2013, the Company entered into an interest rate swap agreement with an $8,000 notional amount to convert its variable-rate Junior Subordinated Debenture debt into a fixed rate for a term of approximately 7 years at a rate of 2.73%. The derivative is designated as a cash flow hedge. The hedge meets the definition of highly effective and the Company expects the hedge to be highly effective throughout the remaining term of the swap. The fair value of the derivative instrument at December 31, 2016, was an unrealized gain of $91, which is recorded in the other asset section of the balance sheet, net of the tax effect. The Company maintains written documentation for the hedge. This documentation identifies the hedging objective and strategy, the hedging instrument, the instrument being hedged, the reasoning behind the assertion that the hedge is highly effective and the methodology for measuring ongoing hedge effectiveness and ineffectiveness. The Company deposited cash collateral totaling $400 with a counterparty as of April 22, 2013, to satisfy collateral requirements associated with the interest rate swap contract. Upon the acquisition of Capital Pacific Bank on March 6, 2015, the Bank acquired three interest rate swaps entered into by Capital Pacific Bank with commercial banking customers tied to loans on the balance sheet. Those interest rate swaps are simultaneously hedged by offsetting the interest rate swaps that the Bank executes with a third party, such that the Bank minimizes its net risk exposure. As of December 31, 2016, the Bank had interest rate swaps with an aggregate notional amount of approximately $8,540, related to this program. The Bank does not require separately pledged collateral to secure its interest rate swaps with customers. However, it does make a practice of cross-collateralizing the interest rate swaps with collateral on the underlying loan. The termination value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was approximately $14 as of December 31, 2016. The Bank has minimum collateral posting thresholds with certain of its derivative counterparties, and has posted collateral totaling $250 consisting of cash held on deposit for the benefit of the counterparty against its obligations under these agreements as of December 31, 2016. The Bank has also entered into a swap with a third party to serve as a hedge to an equal amount of fixed rate loans. As of December 31, 2016, the Bank had one swap designated a hedging instrument with a notional amount of $1,492 hedging a 10-year During third quarter 2016, the Bank entered into forward-starting interest rate swaps, to convert certain existing and future short-term borrowings to fixed rate payments. The primary purpose of these hedges is to mitigate the risk of rising interest rates, specifically LIBOR rates, which are a benchmark for the short term borrowings. The hedging program qualifies as a cash flow hedge under FASB ASC 815, which provides for matching of the recognition of gains and losses of the interest rate swaps and the hedged items. The hedged item is the LIBOR portion of the series of existing or future short-term fixed rate borrowings over the term of the interest rate swap. The change in the fair value of the interest rate swaps is recorded in other comprehensive income. During the fourth quarter the company terminated the cash flow hedge which resulted in a onetime gain of $327 that was recognized in the other income section of the consolidated statements of operations. The following tables present quantitative information pertaining to the interest rate swaps as of December 31, 2016 and 2015: December 31, 2016 December 31, 2015 Hedge- Not-Hedge- Hedge- Not-Hedge- Notional amount $ 1,492 $ 8,540 $ 1,525 $ 8,774 Weighted average pay rate 5.71 % 4.85 % 5.71 % 4.85 % Weighted average receive rate 3.54 % 3.63 % 3.20 % 3.28 % Weighted average maturity in years 6.65 5.45 7.60 6.49 The following table presents the fair values of interest rate swaps and their locations in the Consolidated Balance Sheets as of December 31, 2016 and 2015: Asset Derivatives Liability Derivatives Balance sheet December 31, December 31, Derivative location 2016 2015 2016 2015 Interest rate swap designated as a hedging instrument Other assets or $ 45 $ 66 $ 67 $ 93 Interest rate swaps not designated as hedging instruments Other assets or $ 14 $ 24 $ 14 $ 24 The following table presents the income statement impact of these interest rate swaps for the years ended December 31, 2016, 2015 and 2014: Derivative Consolidated 2016 2015 2014 Interest rate swaps not designated as a hedging instrument Other noninterest $ 6 $ (5 ) $ — $ 6 $ (5 ) $ —

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income Taxes	NOTE 16 – INCOME TAXES: The provision for income taxes for the years ended December 31, 2016, 2015 and 2014 consists of the following: December 31, 2016 2015 2014 Current payable: Federal $ 8,414 $ 8,136 $ 5,747 State 1,989 800 159 10,403 8,936 5,906 Deferred: Federal (579 ) 358 1,608 State (115 ) 795 1,158 (694 ) 1,153 2,766 Total income tax provision $ 9,709 $ 10,089 $ 8,672 The provision for income taxes results in effective tax rates which are different than the federal income tax statutory rate. The nature of the differences for the years ended December 31, 2016, 2015 and 2014 were as follows: 2016 2015 2014 Expected federal income tax provision $ 10,320 35.00 % $ 10,094 35.00 % $ 8,650 35.00 % State income tax, net of federal income tax effect 1,138 3.86 % 1,365 4.73 % 948 3.84 % Municipal securities tax benefit (1,429 ) -4.85 % (1,049 ) -3.64 % (747 ) -3.02 % Equity-based compensation — 0.00 % — 0.00 % 5 0.02 % (Expense) benefit of purchased tax credits (1 ) 0.00 % 1 0.00 % 25 0.10 % Low-income (393 ) -1.33 % (234 ) -0.81 % (199 ) -0.81 % Bank Owned Life Insurance (273 ) -0.93 % (230 ) -0.80 % (184 ) -0.74 % Acquisition costs - Century Bank — 0.00 % — 0.00 % 150 0.61 % Acquisition costs - Capital Pacific Bank — 0.00 % 155 0.54 % — 0.00 % Acquisition costs - Foundation Bank 484 1.64 % — 0.00 % — 0.00 % Deferred tax rate adjustments and other (137 ) -0.46 % (13 ) -0.05 % 24 0.10 % Income tax provision $ 9,709 32.93 % $ 10,089 34.97 % $ 8,672 35.10 % The excess tax benefit associated with stock option plans reduced taxes payable by $43, $9, and $14, at December 31, 2016, 2015, and 2014, respectively. Such benefit is credited to common stock. The components of deferred tax assets and liabilities for the periods ended December 31, 2016 and 2015 are as follows: December 31, 2016 2015 Assets: Allowance for loan losses $ 12,890 $ 7,868 Basis adjustments on loans 1,307 1,677 Reserve for self-funded insurance 139 104 Nonqualified stock options 489 816 Accrued compensation 1,592 1,617 OTTI credit impairment 105 94 Nonaccrual loan interest 53 193 NOL carryforward 3,893 — Net unrealized loss on securities 1,516 — Other 137 91 Total deferred tax assets $ 22,121 $ 12,460 Liabilities: Federal Home Loan Bank stock dividends $ 599 $ 589 Excess tax over book depreciation 1,502 1,134 Prepaid expenses 583 466 Acquisition adjustments relating to core deposit intangible, deferred loan origination costs, junior subordinated debenture and other 4,877 1,512 Loan origination fees 1,514 1,346 Net unrealized gains on swaps 35 32 Net unrealized gains on securities — 1,694 Other 289 17 Total deferred tax liabilities 9,399 6,790 Deferred income tax asset 12,722 5,670 Valuation allowance — — Net deferred tax asset $ 12,722 $ 5,670 As a result of the Foundation Bancorp acquisition, the Company had a federal net operating loss carryforward of $10,943 and an AMT credit carryover of $40, at December 31, 2016. The amount of net operating loss carryforward that may be utilized annually is limited under Section 382 of the Internal Revenue Code of 1986 (Code) as a result of changes in control, with an annual limitation of $3,389. The federal net operating loss carryforward will begin to expire in 2030, however based on current income projections management anticipates the carryforwards to be utilized by 2020 and has therefore not established a valuation allowance. The AMT credits carryforward are available to reduce future federal regular income taxes, if any, over an indefinite period.

Retirement Plan

Retirement Plan	12 Months Ended
	Dec. 31, 2016
Postemployment Benefits [Abstract]
Retirement Plan	NOTE 17 – RETIREMENT PLAN: The Company has a 401(k) profit sharing plan covering substantially all employees. The plan provides for employee and employer contributions. The total plan expenses, including employer contributions, were $1,038, $861, and $740 in 2016, 2015, and 2014, respectively.

Share-Based Compensation

Share-Based Compensation	12 Months Ended
	Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-Based Compensation	NOTE 18 – SHARE-BASED COMPENSATION: The Company’s 2006 Stock Option and Equity Compensation Plan (the “2006 SOEC Plan”) authorizes the award of up to 1,550,000 shares in stock-based awards. The awards granted under this plan are service-based and are subject to vesting. The Compensation Committee of the Board of Directors may impose any terms or conditions on the vesting of an award that it determines to be appropriate. Awards granted generally vest over four years and have a maximum life of ten years. Awards may be granted at exercise prices of not less than 100.00% of the fair market value of the Company’s common stock at the grant date. Pursuant to the 2006 SOEC Plan, incentive stock options (“ISOs”), nonqualified stock options, restricted stock, restricted stock units (“RSUs”), or stock appreciation rights (“SARs”) may be awarded to attract and retain the best available personnel to the Corporation and its subsidiaries. SARs may be settled in common stock or cash as determined at the date of issuance. Liability-based awards (including all cash-settled SARs) have no impact on the number of shares available to be issued within the plan. Additionally, non-qualified Prior to April 2006, incentive stock option (“ISO”) and non-qualified The following tables identify the compensation expenses recorded and tax benefits received by the Company in conjunction with its share-based compensation plans for the years ended December 31, 2016, 2015, and 2014: For the Year Ended December 31, 2016 2015 2014 Compensation Tax Benefit Compensation Tax Benefit Compensation Tax Benefit Equity-based awards: Director restricted stock $ 269 $ 94 $ 248 $ 87 $ 200 $ 70 Employee stock options — — — — 13 — Employee stock SARs — — — — 26 9 Employee RSUs 1,584 554 1,452 508 1,215 425 Liability-based awards: Employee cash SARs 150 53 (50 ) (18 ) 75 26 $ 2,003 $ 701 $ 1,650 $ 577 $ 1,529 $ 530 Prior to 2011, the Company granted stock options to selected employees and directors. The following table summarizes information about stock option activity under all plans for the years ended December 31, 2016, 2015, and 2014: For the Years Ended December 31, 2016 2015 2014 Options Weighted Options Weighted Options Weighted Balance, beginning of year 319,454 $ 14.23 327,050 $ 14.16 367,906 $ 14.15 Exercised (68,907 ) 14.85 (7,596 ) 11.44 (16,779 ) 11.29 Forfeited or expired (12,243 ) 16.34 — — (24,077 ) 16.00 Balance, end of year 238,304 $ 13.94 319,454 $ 14.23 327,050 $ 14.16 Options exercisable, end of year 238,304 $ 13.94 319,454 $ 14.23 327,050 $ 14.16 The total intrinsic value (which is the amount by which the stock price exceeds the exercise price) of options outstanding as of December 31, 2016, was $1,884. The weighted average remaining contractual term of options exercisable was 1.69 years as of December 31, 2016. All stock options were vested as of December 31, 2016. There was no unrecognized compensation expense related to stock options at December 31, 2016. Prior to 2011, the Company granted SARs settled in stock to selected employees. The following table summarizes information about activity of SARs settled in stock for the years ended December 31, 2016, 2015, and 2014: For the Years Ended December 31, 2016 2015 2014 Stock-settled Weighted Stock-settled Weighted Stock-settled Weighted Balance, beginning of year 239,267 $ 14.36 289,267 $ 13.97 337,759 $ 13.85 Exercised (103,818 ) 14.78 (49,600 ) 12.12 (26,155 ) 11.79 Forfeited or expired (9,641 ) 16.21 (400 ) 11.30 (22,337 ) 14.74 Balance, end of year 125,808 $ 13.87 239,267 $ 14.36 289,267 $ 13.97 Stock-settled SARs exercisable, end of year 125,808 $ 13.87 239,267 $ 14.36 289,267 $ 13.97 The total intrinsic value (which is the amount by which the stock price exceeds the exercise price) of stock-settled SARs as of December 31, 2016, was $1,004. The weighted average remaining contractual term of exercisable stock-settled SARs was 1.78 years as of December 31, 2016. As of December 31, 2016, there was no unrecognized compensation cost related to non-vested Prior to 2010, the Company granted SARs settled in cash to selected employees. The following table summarizes information about activity of SARs settled in cash for the years ended December 31, 2016, 2015, and 2014: For the Years Ended December 31, 2016 2015 2014 Cash-settled Weighted Cash-settled Weighted Cash-settled Weighted Balance, beginning of year 142,527 $ 1,527.00 158,993 $ 15.10 186,992 $ 14.95 Exercised (75,836 ) 15.43 (12,087 ) 12.95 (11,012 ) 12.21 Forfeited or expired (296 ) 12.07 (4,379 ) 15.77 (16,987 ) 15.34 Balance, end of year 66,395 $ 14.94 142,527 $ 15.27 158,993 $ 15.10 Cash-settled SARs exercisable, end of year 66,395 $ 14.94 142,527 $ 15.27 158,993 $ 15.10 As of December 31, 2016, there was an intrinsic value of $409 on the Company’s outstanding cash-settled SARs. The weighted average remaining contractual term of exercisable cash-settled SARs was 1.19 years as of December 31, 2016. The following tables identify stock options, employee stock SARs, and employee cash SARs exercised during the periods ended December 31, 2016 and 2015: Twelve months ended December 31, 2016 Number Weighted Intrinsic Number of Net Cash Stock options 68,907 $ 14.85 $ 117 48,665 NA Employee stock SARs 103,818 $ 12.28 $ 40 9,131 NA Employee cash SARs 75,836 $ 11.81 NA NA $ 178 Twelve months ended December 31, 2015 Number Weighted Intrinsic Number of Net Cash Stock options 7,596 $ 11.44 $ 29 7,596 NA Employee stock SARs 49,600 $ 12.12 $ 94 6,250 NA Employee cash SARs 12,087 $ 12.95 NA NA $ 27 During 2016, 16,144 restricted shares were granted and issued to directors with no restrictions imposed. In 2016, the Company granted 130,151 RSUs to employees. Of the RSUs granted, 129,851 vest over four years, and 300 vested immediately. The Company’s RSUs do not accrue dividends and the grantees do not have voting rights. The following table provides information regarding RSU activity during 2016, 2015 and 2014: For the Years Ended December 31, 2016 2015 2014 Restricted Weighted Restricted Weighted Restricted Weighted Balance, beginning of year 330,997 $ 12.23 306,532 $ 11.18 299,696 $ 9.79 Granted 130,151 16.66 157,195 13.00 127,051 13.21 Vested shares issued (80,051 ) 11.50 (75,373 ) 10.59 (58,518 ) 9.65 Vested shares forfeited for taxes (48,173 ) 11.50 (46,105 ) 10.59 (36,384 ) 9.65 Forfeited or expired (32,084 ) 13.70 (11,252 ) 12.33 (25,313 ) 10.67 Balance, end of year 300,840 $ 14.30 330,997 $ 12.23 306,532 $ 11.18 Under the terms of the 2006 SOEC Plan, shares of the Company common stock are to be issued as soon as is practicable upon vesting of RSUs.

Deferred Compensation Plan

Deferred Compensation Plan	12 Months Ended
	Dec. 31, 2016
Compensation Related Costs [Abstract]
Deferred Compensation Plan	NOTE 19 – DEFERRED COMPENSATION PLAN: During 2015, the Company established a nonqualified deferred compensation plan for certain eligible executives and eligible directors. Under the deferred compensation plan, eligible executives and eligible directors may elect to defer a portion of their base salary, bonuses, director fees, and/or long-term incentive compensation. The deferred compensation liability totaled $742 and $352 at December 31, 2016, and 2015, respectively, and is included within the other liabilities on the consolidated balance sheet.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income	12 Months Ended
	Dec. 31, 2016
Equity [Abstract]
Accumulated Other Comprehensive Income	NOTE 20 – ACCUMULATED OTHER COMPREHENSIVE INCOME The following table shows the changes in accumulated other comprehensive income (loss) by component for the years ended December 31, 2016, 2015 and 2014: Unrealized gains and losses Unrealized gains and losses Total Year ended December 31, 2016 Beginning balance $ 2,649 $ 50 $ 2,699 Other comprehensive (loss) income before (4,804 ) 191 (4,613 ) Amounts reclassified from accumulated other comprehensive income (215 ) (186 ) (401 ) Net current-period other comprehensive (loss) income (5,019 ) 5 (5,014 ) Ending balance $ (2,370 ) $ 55 $ (2,315 ) Year ended December 31, 2015 Beginning balance $ 3,695 $ 107 $ 3,802 Other comprehensive (loss) before reclassifications (649 ) (57 ) (706 ) Amounts reclassified from accumulated other comprehensive income (397 ) — (397 ) Net current-period other comprehensive (loss) (1,046 ) (57 ) (1,103 ) Ending balance $ 2,649 $ 50 $ 2,699 Year ended December 31, 2014 Beginning balance $ (148 ) $ 247 $ 99 Other comprehensive income (loss) before reclassifications 3,822 (140 ) 3,682 Amounts reclassified from accumulated other comprehensive income 21 — 21 Net current-period other comprehensive income (loss) 3,843 (140 ) 3,703 Ending balance $ 3,695 $ 107 $ 3,802

Transactions with Related Parti

Transactions with Related Parties	12 Months Ended
	Dec. 31, 2016
Related Party Transactions [Abstract]
Transactions with Related Parties	NOTE 21 – TRANSACTIONS WITH RELATED PARTIES: The Company has granted loans to officers and directors and to companies with which they are associated. Such loans are made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with unrelated parties. Activity with respect to these loans during the years ended December 31, 2016, 2015 and 2014, was as follows: For the Years Ended December 31, 2016 2015 2014 Balance, beginning of year $ 25 $ 100 $ 100 Additions or renewals 25 35 — Amounts collected (50 ) (110 ) — Balance, end of year $ — $ 25 $ 100 In addition, there were $106 in commitments to extend credit to directors and officers at December 31, 2016, which are included among loan commitments, disclosed in Note 22. At December 31, 2016, 2015, and 2014, deposits to related parties totaled $6,439, $1,091, and $1,304, respectively.

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	NOTE 22 – COMMITMENTS AND CONTINGENCIES: In the normal course of business under the provisions of the Company’s investment policy, additional investment securities may be purchased from time to time. Commitments to purchase securities are generally settled within a month and are not associated with repurchase agreements. In order to meet the financing needs of its clients, the Company commits to extensions of credit and issues letters of credit. The Company uses the same credit policies in making commitments and conditional obligations as it does for other products. In the event of nonperformance by the client, the Company’s exposure to credit loss is represented by the contractual amount of the instruments. The Company’s collateral policies related to financial instruments with off-balance sheet risk conform to its general underwriting guidelines. Commitments to extend credit are agreements to lend to a client as long as there is no violation of any condition established in the contract. Commitments generally have expiration dates or other termination clauses and may require payment of a fee. Since some of the commitments may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. Letters of credit written are conditional commitments issued by the Company to guarantee the performance of a client to a third-party. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to clients. Off-balance sheet instruments at December 31, 2016 and 2015 consist of the following: December 31, 2016 2015 Commitments to extend credit (principally variable rate) $ 408,860 $ 256,156 Letters of credit and financial guarantees written $ 2,425 $ 1,184 The Company has entered into executive employment agreements with two key executive officers. The employment agreements provide for minimum aggregate annual base salaries of $840, plus performance adjustments, life insurance coverage, and other perquisites commonly found in such agreements. The two employment agreements expire in 2017 unless extended or terminated earlier. Legal contingencies arise from time-to-time in the normal course of business. Based upon analysis of management and in consultation with the Company’s legal counsel there are no current legal matters which are expected to have a material effect on the Company’s consolidated financial position.

Fair Value

Fair Value	12 Months Ended
	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Fair Value	NOTE 23 – FAIR VALUE: The following disclosures about fair value of financial instruments are made in accordance with provisions of ASC 825 “Financial Instruments.” The use of different assumptions and estimation methods could have a significant effect on fair value amounts. Accordingly, the estimates of fair value herein are not necessarily indicative of the amounts that might be realized in a current market exchange. The estimated fair values of the financial instruments at December 31, 2016 and 2015, are as follows: December 31, 2016 2015 Carrying Fair Value Carrying Fair Value Financial assets: Cash and cash equivalents $ 67,113 $ 67,113 $ 36,675 $ 36,675 Securities available-for-sale 470,996 470,996 366,598 366,598 Loans 1,857,767 1,837,673 1,404,482 1,389,562 Accrued interest receivable 7,017 7,017 5,721 5,721 Federal Home Loan Bank stock 5,423 5,423 5,208 5,208 Bank-owned life insurance 35,165 35,165 22,884 22,884 Interest rate swaps 150 150 171 171 Financial liabilities: Deposits $ 2,148,103 $ 2,147,056 $ 1,597,093 $ 1,597,280 Federal Home Loan Bank borrowings 65,000 65,043 77,500 77,651 Subordinated debentures 34,096 32,140 — — Junior subordinated debentures 11,311 6,972 8,248 2,741 Accrued interest payable 176 176 138 138 Interest rate swaps 81 81 116 116 Cash and Cash Equivalents Securities available-for-sale Accrued Interest receivable Loans Federal Home Loan Bank stock Bank-owned life insurance Interest rate swaps – Deposits Federal Home Loan Bank Borrowings Junior Subordinated Debentures Subordinated Debentures – Accrued Interest payable Off-Balance Sheet Financial Instruments The Company also adheres to the FASB guidance with regards to ASC 820, “Fair Value Measures.” This guidance defines fair value, establishes a framework for measuring fair value in generally accepted accounting principles, and expands disclosures about fair value measurements. The statement requires fair value measurement disclosure of all assets and liabilities that are carried at fair value on either a recurring or nonrecurring basis. The Company determines fair value based upon quoted prices when available or through the use of alternative approaches, such as matrix or model pricing, when market quotes are not readily accessible or available. The valuation techniques used are based on observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs create the following fair value hierarchy: Level 1 – Quoted prices for identical instruments in active markets. Level 2 – Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active or model-derived valuations whose inputs are observable or whose significant value drivers are observable. Level 3 – Unobservable inputs are used to measure fair value to the extent that observable inputs are not available. The Company’s own data used to develop unobservable inputs is adjusted for market consideration when reasonably available. Financial instruments, measured at fair value, are broken down in the tables below by recurring or nonrecurring measurement status. Recurring assets are initially measured at fair value and are required to be remeasured at fair value in the financial statements at each reporting date. Assets measured on a nonrecurring basis are assets that, due to an event or circumstance, were required to be remeasured at fair value after initial recognition in the financial statements at some time during the reporting period. The following table presents information about the level in the fair value hierarchy for the Company’s assets and liabilities not measured at fair value as of December 31, 2016, and 2015: Carrying Amount Fair Value at December 31, 2016 Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 67,113 $ 67,113 $ — $ — Loans 1,857,767 — — 1,837,673 Accrued interest receivable 7,017 7,017 — — Federal Home Loan Bank stock 5,423 5,423 — — Bank-owned life insurance 35,165 35,165 — — Interest rate swaps 150 150 — — Financial liabilities: Deposits $ 2,148,103 $ 1,969,220 $ 177,836 $ — Federal Home Loan Bank borrowings 65,000 — 65,043 — Subordinated debentures 34,096 — 32,140 Junior subordinated debentures 11,311 — 6,972 — Accrued interest payable 176 176 — — Interest rate swaps 81 81 — — Carrying Amount Fair Value at December 31, 2015 Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 36,675 $ 36,675 $ — $ — Loans 1,404,482 — — 1,389,562 Accrued interest receivable 5,721 5,721 — — Federal Home Loan Bank stock 5,208 5,208 — — Bank-owned life insurance 22,884 22,884 — — Swap derivative 171 171 — — Financial liabilities: Deposits $ 1,597,093 $ 1,458,490 $ 138,790 $ — Federal Home Loan Bank borrowings 77,500 — 77,651 — Junior subordinated debentures 8,248 — 2,741 — Accrued interest payable 138 138 — — Interest rate swaps 116 116 — — The tables below show assets/liabilities measured at fair value on a recurring basis as of December 31, 2016, and December 31, 2015: Carrying Fair Value Measurements Using December 31, 2016 Quoted (Level 1) Significant Significant Available-for-sale securities Obligations of U.S government agencies $ 25,620 $ — $ 25,620 $ — Obligation of states and political subdivisions 110,739 — 110,739 — Agency mortgage-backed securities 290,036 — 290,036 — Private-label mortgage-backed securities 1,937 — 569 1,368 SBA variable vate pools 42,664 — 42,664 — Interest rate swaps 69 69 — — Total assets measured on a recurring basis $ 471,065 $ 69 $ 469,628 $ 1,368 Carrying Fair Value Measurements Using December 31, 2015 Quoted (Level 1) Significant Significant Available-for-sale securities Obligations of U.S government agencies $ 44,623 $ — $ 44,623 $ — Obligation of states and political subdivisions 97,151 — 97,151 — Agency mortgage-backed securities 185,370 — 185,370 — Private-label mortgage-backed securities 2,790 — 1,204 1,586 SBA variable rate pools 35,771 — 35,771 — Corporate securities 893 — 893 Interest rate swaps 55 55 — — Total assets measured on a recurring basis $ 366,653 $ 55 $ 365,012 $ 1,586 No transfers to or from level 1 and 2 occurred on assets measured at fair value on a recurring basis during the twelve months ended December 31, 2016. The following is a description of the inputs and valuation methodologies used for assets recorded at fair value on a recurring basis. Fair value for all classes of available-for-sale securities is estimated by obtaining quoted market prices for identical assets, where available. If such prices are not available, fair value is based on independent asset pricing services and models, the inputs of which are market-based or independently sourced market parameters, including, but not limited to, yield curves, interest rates, prepayments, defaults, cumulative loss projections, and cash flows. There have been no significant changes in the valuation techniques during the periods reported. The following table provides a reconciliation of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) for the periods ended December 31, 2016, 2015 and 2014: For the Years Ended December 31, 2016 2015 2014 Beginning balance $ 1,586 $ 1,568 $ 1,786 Transfers into Level 3 70 300 — Transfers out of Level 3 — — — Total gains or losses Included in earnings (21 ) — — Included in other comprehensive income 43 66 (106 ) Paydowns (310 ) (348 ) (112 ) Purchases, issuances, sales, and settlements Purchases — — — Issuances — — — Sales — — — Settlements — — — Ending balance $ 1,368 $ 1,586 $ 1,568 Fair value for all classes of available-for-sale securities is estimated by obtaining quoted market prices for identical assets, where available. If such prices are not available, fair value is based on quoted prices for similar instruments or model-derived valuations whose inputs are observable or whose significant value drivers are observable. In instances where quoted prices for identical or similar instruments and observable inputs are not available, unobservable inputs, including the Company’s own data, are used. The Company utilizes FTN Financial as an independent third-party asset pricing service to estimate fair value on all of its available-for-sale securities. The inputs used to value all securities include benchmark yields, reported trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data including market research, market indicators, and industry and economic trends. Additional inputs specific to each asset type are as follows: • Obligations of U.S. government agencies • Obligations of states and political subdivisions • Private-label mortgage-backed securities • Mortgage-backed securities • SBA variable pools • Corporate securities Inputs may be prioritized differently on any given day for any security and not all inputs listed are available for use in the evaluation process on any given day for each security evaluation. The valuation methodology used by asset type includes: • Obligations of U.S. government agencies • Obligations of states and political subdivisions • Private-label mortgage-backed securities • Mortgage-backed securities • SBA pools • Corporate securities The third-party pricing service follows multiple review processes to assess the available market, credit and deal-level information to support its valuation estimates. If sufficient objectively verifiable information is not available to support a security’s valuation, an alternate independent evaluation source will be used. The Company’s securities portfolio was valued through its independent third-party pricing service using evaluated pricing models and quoted prices based on market data. For further assurance, the Company’s estimate of fair value was compared to an additional independent third-party estimate at June 30, 2016, and the Company obtained key inputs for a sample of securities across sectors and evaluated those inputs for reasonableness. This analysis was performed at the individual security level and no material variances were noted. There have been no significant changes in the valuation techniques during the periods reported. The tables below show assets measured at fair value on a nonrecurring basis as of December 31, 2016, and 2015: Fair Value Measurements Using December 31, 2016 Carrying Quoted Significant Significant Other real estate owned $ 10,936 $ — $ — $ 10,936 $ 10,936 $ — $ — $ 10,936 Fair Value Measurements Using December 31, 2015 Carrying Quoted Significant Significant Loans measured for impairment (net of guarantees and specific reserve) $ 53 $ — $ — $ 53 Other real estate owned 10,147 — — 10,147 $ 10,200 $ — $ — $ 10,200 During second quarter 2016, there was one security that transferred from level 2 to level 3 as the Bank recorded OTTI on a security. For additional information, see Note 4. The following is a description of the inputs and valuation methodologies used for assets recorded at fair value on a nonrecurring basis. Loans measured for impairment (net of government guarantees and specific reserves) include the estimated fair value of collateral-dependent loans, less collectible government guarantees, as well as certain noncollateral-dependent loans measured for impairment with an allocated specific reserve. When a collateral-dependent loan is identified as impaired, the value of the loan is measured using the current fair value of the collateral less selling costs. The fair value of collateral is generally estimated by obtaining external appraisals which are usually updated every 6 to 12 months based on the nature of the impaired loans. Certain noncollateral-dependent loans measured for impairment with an allocated specific reserve are valued based upon the estimated net realizable value of the loan. If the estimated fair value of the impaired loan, less collectible government guarantees, is less than the recorded investment in the loan, impairment is recognized as a charge-off through the allowance for loan losses. The carrying value of the loan is adjusted to the estimated fair value. The carrying value of loans fully charged off is zero. Other real estate owned represents real estate which the Company has taken control of in partial or full satisfaction of loans. At the time of foreclosure, other real estate owned is recorded at the lower of the carrying amount of the loan or fair value less costs to sell, which becomes the property’s new basis. Any write downs based on the asset’s fair value at the date of acquisition are charged to the allowance for loan losses. After foreclosure, management periodically orders appraisals or performs valuations to ensure that the real estate is carried at the lower of its new cost basis or fair value, net of estimated costs to sell. Appraisals are generally updated every 6 to 12 months on other real estate owned. Fair value adjustments on other real estate owned are recognized within net loss on real estate owned. The loss represents impairments on other real estate owned for fair value adjustments based on the fair value of the real estate. There have been no significant changes in the valuation techniques during the periods reported.

Regulatory Matters

Regulatory Matters	12 Months Ended
	Dec. 31, 2016
Banking and Thrift [Abstract]
Regulatory Matters	NOTE 24 – REGULATORY MATTERS: The Company and the Bank are subject to the regulations of certain federal and state agencies and receive periodic examinations by those regulatory authorities. In addition, they are subject to various regulatory capital requirements administered by federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory – and possibly additional discretionary – actions by regulators that, if undertaken, could have a direct material effect on the consolidated financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Bank must meet specific capital guidelines that involve quantitative measures of the Bank’s assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The Company and the Bank’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors. Quantitative measures established by regulation to ensure capital adequacy require the Company and the Bank to maintain minimum amounts and ratios of Total, Tier 1 capital, and common equity Tier 1 to risk-weighted assets and of Tier 1 capital to leverage assets. Management believes that, as of December 31, 2016, the Company and the Bank met all capital adequacy requirements to which they were subject. As of December 31, 2016, according to FDIC guidelines, the Bank is considered to be well-capitalized. To be categorized as well-capitalized, the Bank must maintain minimum total risk-based, Tier 1 risk-based and Tier 1 leverage ratios as set forth in the following table. The Company’s and the Bank’s actual capital amounts and ratios are presented in the table below: Actual For Capital Adequacy Purposes To Be Well Capitalized Under Prompt Corrective Action Provisions Amount Ratio Amount Ratio Amount Ratio As of December 31, 2016: Total capital (to risk weighted assets) Bank: $ 267,416 12.19 % $ 175,555 8.00 % $ 219,444 10.00 % Company: $ 278,444 12.69 % NA NA Tier 1 capital (to risk weighted assets) Bank: $ 244,414 11.14 % $ 131,666 6.00 % $ 175,555 8.00 % Company: $ 221,346 10.08 % NA NA Common Equity Tier 1 (to risk weighted assets) Bank: $ 244,414 11.14 % $ 98,750 4.50 % $ 142,638 6.50 % Company: $ 208,873 9.52 % NA NA Tier 1 capital (to leverage assets) Bank: $ 244,414 9.96 % $ 98,181 4.00 % $ 122,726 5.00 % Company: $ 221,346 9.01 % NA NA As of December 31, 2015: Total capital (to risk weighted assets) Bank: $ 200,236 12.52 % $ 127,990 8.00 % $ 159,988 10.00 % Company: $ 201,261 12.58 % NA NA Tier 1 capital (to risk weighted assets) Bank: $ 182,575 11.41 % $ 95,993 6.00 % $ 127,990 8.00 % Company: $ 183,600 11.47 % NA NA Common Equity Tier 1 (to risk weighted assets) Bank: $ 182,575 11.41 % $ 71,995 4.50 % $ 103,992 6.50 % Company: $ 175,600 10.97 % NA NA Tier 1 capital (to leverage assets) Bank: $ 182,575 9.88 % $ 73,938 4.00 % $ 92,422 5.00 % Company: $ 183,600 9.93 % NA NA On July 2, 2013, the federal banking regulators approved the final proposed rules that revised the regulatory capital rules to conform the U.S. regulatory capital framework for U.S. banking organizations to the Basel Committee’s Base III capital framework (“Basel III”). The phase-in period for the final rules began for the Company on January 1, 2016, with full compliance with the final rules entire requirement to be phased in by January 1, 2019. The final rules, among other things, included a new common equity Tier 1 capital (“CET1”) to risk-weighted assets ratio, including a capital conservation buffer composed of CET1, which will gradually increase from 4.50% on January 1, 2016 to 7.00% on January 1, 2019. The final rules also raised the minimum ratio of Tier 1 capital to risk-weighted assets from 4.00% to 6.00%, as well as require a minimum total capital ratio of 8.00% and a minimum leverage ratio of 4.00%. Also, under the final rules, trust preferred security debt issuances will be phased out of Tier 1 capital into Tier 2 capital over a 10-year period, except for bank holding companies with less than $15 billion assets as of December 31, 2009 which will be allowed to continue to include these issuances in Tier 1 capital, subject to certain restrictions. As the Company had less than $15 billion in assets at December 31, 2009, the Company will be able to continue to include its existing trust preferred securities, less the common stock of the Trusts, in the Company’s Tier 1 capital.

Parent Company Financial Inform

Parent Company Financial Information	12 Months Ended
	Dec. 31, 2016
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Parent Company Financial Information	NOTE 25 – PARENT COMPANY FINANCIAL INFORMATION: Financial information for the Company is presented below: BALANCE SHEET December 31, 2016 2015 Assets: Cash deposited with the Bank $ 7,558 $ 678 Cash and due from banks 403 400 Goodwill 4,464 — Prepaid expenses 9 4 Equity in Trust 434 248 Swap unrealized gain 91 82 Investment in the Bank 306,304 225,416 $ 319,263 $ 226,828 Liabilities and shareholders’ equity: Liabilities $ 66 $ 57 Deferred tax liability 35 32 Subordinated debentures 34,096 — Junior subordinated debentures 11,311 8,248 Shareholders’ equity 273,755 218,491 $ 319,263 $ 226,828 STATEMENTS OF OPERATIONS For the Years Ended December 31, 2016 2015 2014 Income: Cash dividends from the Bank $ 4,400 $ 6,550 $ 16,211 Income from Trust Preferred 8 4 4 4,408 6,554 16,215 Expenses: Interest expense 1,422 226 225 Investor relations 103 132 84 Legal, registration expense, and other 230 98 132 Personnel costs paid to Bank 189 167 183 1,944 623 624 Income before income tax expense and equity in undistributed earnings from the Bank 2,464 5,931 15,591 Income tax benefit 200 139 140 Equity in undistributed earnings of the Bank 17,112 12,681 311 Net income $ 19,776 $ 18,751 $ 16,042 STATEMENTS OF CASH FLOWS For the Years Ended December 31, 2016 2015 2014 Cash flows from operating activities: Net income $ 19,776 $ 18,751 $ 16,042 Adjustments to reconcile net income to net cash provided by operating activities: Equity in undistributed earnings from the Bank (17,112 ) (12,681 ) (311 ) Excess tax benefit of stock options exercised (43 ) (9 ) (14 ) Other, net (665 ) 652 525 Net cash provided by operating activities 1,956 6,713 16,242 Cash flows from investing activities: Capital Investment in the Bank (20,000 ) — — Net cash used by investing activities (20,000 ) — — Cash flows from financing activities: Proceeds from stock options exercised 691 86 189 Excess tax benefit of stock options exercised 43 9 14 Repurchase of common stock — — (3,600 ) Dividends paid (8,983 ) (8,042 ) (12,308 ) Vested SARS and RSUs surrendered by employees to cover tax consequences (896 ) (649 ) (517 ) Proceeds from subordinated debt issuance 34,072 — — Net cash provided by (used in) financing activities 24,927 (8,596 ) (16,222 ) Net change in cash 6,883 (1,883 ) 20 Cash, beginning of period 1,078 2,961 2,941 Cash, end of period $ 7,961 $ 1,078 $ 2,961

Selected Quarterly Financial Da

Selected Quarterly Financial Data (Unaudited)	12 Months Ended
	Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]
Selected Quarterly Financial Data (Unaudited)	NOTE 26 – SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) Quarterly financial information for the years ended December 31, 2016 and 2015 is summarized as follows: First Quarter Second Quarter Third Quarter Fourth Quarter Year Ended 2016 Total interest income $ 19,953 $ 20,284 $ 22,662 $ 27,044 $ 89,943 Total interest expense 1,144 1,137 1,891 2,060 6,232 Net interset income 18,809 19,147 20,771 24,984 83,711 Provision for loan losses 245 1,950 1,380 1,875 5,450 Noninterest Income 1,807 1,747 1,919 2,344 7,817 Noninterest Expense 12,007 14,932 13,825 15,829 56,593 Income before income taxes 8,364 4,012 7,485 9,624 29,485 Provision for income taxes 2,905 1,406 2,634 2,764 9,709 Net income $ 5,459 $ 2,606 $ 4,851 $ 6,860 $ 19,776 Per common share Earnings (basic) (1) $ 0.28 $ 0.13 $ 0.24 $ 0.30 $ 0.96 Earnings (diluted) (1) $ 0.28 $ 0.13 $ 0.23 $ 0.30 $ 0.95 First Quarter Second Quarter Third Quarter Fourth Quarter Year Ended 2015 Total interest income $ 16,069 $ 18,840 $ 19,450 $ 19,877 $ 74,236 Total interest expense 1,095 1,144 1,142 1,055 4,436 Net interset income 14,974 17,696 18,308 18,822 69,800 Provision for loan losses — 550 625 520 1,695 Noninterest Income 1,276 1,627 1,714 2,008 6,625 Noninterest Expense 11,972 11,030 11,182 11,706 45,890 Income before income taxes 4,278 7,743 8,215 8,604 28,840 Provision for income taxes 1,475 2,648 2,890 3,076 10,089 Net income $ 2,803 $ 5,095 $ 5,325 $ 5,528 $ 18,751 Per common share Earnings (basic) (1) $ 0.15 $ 0.26 $ 0.27 $ 0.28 $ 0.97 Earnings (diluted) (1) $ 0.15 $ 0.26 $ 0.27 $ 0.28 $ 0.97 (1) Due to average share calculations, quarterly earnings per share may not total the amount reported for the full year

Subsequent Events

Subsequent Events	12 Months Ended
	Dec. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	NOTE 27 – SUBSEQUENT EVENTS On January 9, 2017, Pacific Continental entered into a definitive agreement to merge with Columbia Banking System, Inc., headquartered in Tacoma, Washington. Upon completion of the merger, the combined company will operate under the Columbia Bank name and brand. The agreement was approved by the Board of Directors of each company. Closing of the transaction, which is expected to occur in mid-2017, is contingent on shareholder approval and receipt of necessary regulatory approvals, along with satisfaction of other customary closing conditions.

Summary of Significant Accoun36

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2016
Accounting Policies [Abstract]
Principles of Consolidation	Principles of Consolidation In November 2005, the Company formed a wholly owned Delaware statutory business trust subsidiary, Pacific Continental Corporation Capital Trust (the “Trust”) which issued $8,248 of guaranteed undivided beneficial interests in Pacific Continental’s Junior Subordinated Deferrable Interest Debentures (“Trust Preferred Securities”). Pacific Continental has not consolidated the accounts of the Trust in its consolidated financial statements in accordance with generally accepted accounting principles, (“GAAP”). As a result, the junior subordinated debentures issued by Pacific Continental to the issuer trust, totaling $8,248, are reflected on Pacific Continental’s consolidated balance sheet at December 31, 2016, and 2015, under the caption “Junior Subordinated Debentures.” Pacific Continental also recognized its $248 investment in the Trust, which is recorded among “Other Assets” in its consolidated balance sheet at December 31, 2016, and 2015. On September 6, 2016, the Company completed the acquisition of Foundation Bancorp, Inc. At that time, the Company assumed ownership of Foundation Statutory Trust I, which had previously issued $6,000 in aggregate liquidation amount of trust preferred securities. The interest rate on the these trust preferred securities is a floating rate of three-month LIBOR plus 173 basis points. The Company also acquired $6,186 of junior subordinated debentures (the “Foundation Debentures”) to the trust in exchange for ownership of all of the common security of the trust and the proceeds of the preferred securities sold by the trust. In accordance with current accounting guidance, the trust is not consolidated in the Company’s financial statements, but rather the Foundation Debentures are shown as a liability, reflected on Pacific Continental’s balance sheet at December 31, 2016, and acquired at an acquisition date fair value of $3,013. The Company also recognized its $186 investment in the trust, which is recorded among “Other Assets” in its consolidated balance sheet at December 31, 2016.
Use of Estimates	Use of Estimates
Cash and Cash Equivalents	Cash and Cash Equivalents
Securities Available-for-Sale	Securities Available-for-Sale Securities classified as available-for-sale are reported at estimated fair value based on available market prices. Net unrealized gains and losses are included in other comprehensive income or loss on an after-tax basis. Impaired securities are assessed quarterly for the presence of other-than-temporary impairment (“OTTI”). OTTI is considered to have occurred, (1) if we intend to sell the security, (2) if it is “more likely than not” we will be required to sell the security before recovery of its amortized cost basis, or (3) the present value of expected cash flows is not sufficient to recover the entire amortized cost basis. The “more likely than not” criteria is a lower threshold than the “probable” criteria used under previous guidance. When OTTI is identified, the amount of the impairment is bifurcated into two components: the amount representing credit loss and the amount related to all other factors. The amount representing credit loss is recognized against earnings as a realized loss and the amount representing all other factors is recognized in other comprehensive income as an unrealized loss. The cost basis of an other-than-temporarily impaired security is written down by the amount of impairment recognized in earnings. The new cost basis is not adjusted for subsequent recoveries in fair value. However, the difference between the new amortized cost basis and the cash flows expected to be collected is accreted as interest income. Gains and losses on the sale of available-for-sale securities are determined using the specific-identification method. Purchase premiums and discounts are recognized in interest income using the interest method over the terms of the securities. Interest income on securities available-for-sale is included in income using the level yield method.
Loans, Income Recognition, and the Allowance for Loan Losses	Loans, Income Recognition, and the Allowance for Loan Losses Nonaccrual Loans Accrual of interest is discontinued on contractually delinquent loans when management believes that, after considering economic and business conditions and collection efforts, the borrower’s financial condition is such that collection of principal or interest is doubtful. At a minimum, loans that are past due as to maturity or payment of principal or interest by 90 days or more are placed on nonaccrual status, unless such loans are well-secured and in the process of collection. Interest income is subsequently recognized only to the extent cash payments are received satisfying all delinquent principal and interest amounts, and the prospects for future payments in accordance with the loan agreement appear relatively certain. In accordance with GAAP, payments received on nonaccrual loans are applied to the principal balance and no interest income is recognized. Purchased Credit Impaired Loans (“PCI Loans”) Loans acquired with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are accounted for under ASC 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality Accounting for Certain Loans or Debt Securities Acquired in a Transfer Allowance for Loan Losses Methodology Management provides for possible loan losses by maintaining an allowance. The allowance for loan losses is established through a provision for loan losses charged to expense. Loans are charged against the allowance when management believes the collection of principal or interest is unlikely. The allowance is an amount that management considers adequate to absorb possible losses on existing loans based on its evaluation of the collectability of those loans and prior loss experience. Management’s evaluations take into consideration such factors as changes in the size and nature of the loan portfolio, the overall portfolio quality, the financial condition of borrowers, the level of nonperforming loans, the Company’s historical loss experience, the estimated value of underlying collateral, and current economic conditions that may affect the borrower’s ability to pay. This evaluation is inherently subjective as it requires estimates that are susceptible to significant subsequent revision as more information becomes available. The allowance consists of general, specific and unallocated components. The general component covers all loans not specifically identified for impairment testing. The specific component relates to loans that are individually assessed for impairment. The combined general and specific components of the allowance constitute the Company’s allocated allowance for loan losses. An unallocated allowance may be maintained to provide for credit losses inherent in the loan portfolio that may not have been contemplated in the general risk factors or the specific allowance analysis. The Company performs regular credit reviews of the loan portfolio to determine the credit quality of the portfolio and the Company’s adherence to underwriting standards. When loans are originated, they are assigned a risk rating that is reassessed periodically during the terms of the loans through the credit review process. The risk rating categories constitute a primary factor in determining an appropriate amount for the general allowance for loan losses. The general allowance is calculated by applying risk factors to pools of outstanding loans. Risk factors are assigned based on management’s evaluation of the losses inherent within each identified loan category. Loan categories with greater risk of loss are therefore assigned a higher risk factor. The Company’s Asset and Liability Committee (“ALCO”) and Board of Directors are responsible for, among other things, regularly reviewing the allowance for loan losses methodology, including loss factors, and ensuring that it is designed and applied in accordance with generally accepted accounting principles. Regular credit reviews of the portfolio are performed to identify loans that are considered potentially impaired. Potentially impaired loans are referred to the ALCO Committee, which reviews loans recommended for impairment. A loan is considered impaired when, based on current information and events, the Company is unlikely to collect all principal and interest due according to the terms of the loan agreement. When a loan is deemed to be impaired, the amount of the impairment is measured using discounted cash flows except when the sole remaining source of the repayment is the liquidation of the collateral. In these cases, the current fair value of the collateral, less selling costs, is used. Impairment is recognized as a specific component within the allowance for loan losses if the value of the impaired loan is less than the recorded investment in the loan. When the amount of the impairment represents a confirmed loss, it is charged off against the allowance for loan losses. Loans specifically reviewed for impairment are excluded from the general allowance calculation to prevent double-counting the loss exposure. The Company’s ALCO Committee reviews loans recommended for impaired status and those recommended to be removed from impaired status. The Company’s ALCO Committee and Board provide oversight of the allowance for loan losses process and review and approve the allowance methodology on a quarterly basis. Charge-off Methodology When it becomes evident that a loan has a probable loss and is deemed uncollectable, regardless of delinquent status, the loan is charged-off. A partial charge-off will occur to the extent of the portion of the loan that is not well secured and is in the process of collection. Additionally, a partial charge-off will occur to the extent of the portion of the loan that is not guaranteed by a federal or state government agency and is in the process of collection. In circumstances where it is evident that a government guarantee will not be honored, the loan will be charged-off to the extent of the portion of the loan that is not well secured. Commercial overdrafts will be charged-off within the month the delinquent checking account becomes 90 days delinquent. Troubled Debt Restructuring Loans are reported as a troubled debt restructuring when the Company grants a concession to a borrower experiencing financial difficulties that it would not otherwise consider. Examples of such concessions include a reduction in the loan rate, forgiveness of principal or accrued interest, extending the maturity date, or providing a lower interest rate than would be normally available for a transaction of similar risk. The Company will undertake a restructuring only when it occurs in ways which improve the likelihood that the credit will be repaid in full under the modified terms and in accordance with a reasonable repayment schedule.
Off-Balance Sheet Credit Exposure	Off-Balance Sheet Credit Exposure – Accrued Interest and Other Payables
Foreclosed Assets	Foreclosed Assets Improvements to foreclosed assets are capitalized to the extent that the improvements increase the fair value of the assets. Expenditures for routine maintenance and repairs of foreclosed assets are charged to expense as incurred. Management performs periodic valuations of foreclosed assets and may adjust the values to the lower of carrying amount or fair value less the estimated costs to sell. Write downs to net realizable value, if any, and disposition gains or losses are included in noninterest income or expense.
Federal Home Loan Bank Stock	Federal Home Loan Bank Stock FHLB stock is generally viewed as a long-term investment. Accordingly, when evaluating FHLB stock for impairment, its value is determined based on the ultimate recoverability of the par value rather than by recognizing temporary declines in value. As of December 31, 2016, the Bank determined there was no impairment. The determination of whether the decline affects the ultimate recoverability is influenced by criteria such as the following: • The significance of the decline in net assets of the FHLBs as compared to the capital stock amount for the FHLBs and the length of time this situation has persisted. • Commitments by the FHLBs to make payments required by law or regulation and the level of such payments in relation to the operating performance of the FHLBs. • The impact of legislative and regulatory changes on the institution and, accordingly, on the customer base of the FHLBs. • The liquidity position of the FHLBs.
Property and Equipment	Property and Equipment Depreciation and amortization is computed by the straight-line method over the estimated useful lives of the assets. Estimated useful lives are 30 to 40 years for buildings, 3 to 10 years for furniture and equipment, and up to the lesser of the useful life or lease term for leasehold improvements.
Goodwill and Intangible Assets	Goodwill and Intangible Assets –
Bank-owned Life Insurance	Bank-owned Life Insurance
Advertising	Advertising
Income Taxes	Income Taxes The Company follows the provisions of the Financial Accounting Standards Boards’ (“FASB”) ASC 740, “Income Taxes,” relating to accounting for uncertain tax positions. Uncertain tax positions may arise when the Company takes or expects to take a tax position that is ultimately disallowed by the relevant taxing authority. The Company files income tax returns with the Internal Revenue Service and any states in which it has identified that it has nexus. Tax returns for the years subsequent to 2012 remain open to examination by the taxing jurisdictions. Management reviews the Company’s balance sheet, income statement, income tax provision and income tax returns as well as the permanent and temporary adjustments affecting current and deferred income taxes quarterly and assesses whether uncertain tax positions exist. At December 31, 2016, management does not believe that any uncertain tax positions exist, that are not more-likely-than-not, sustainable upon examination. The Company’s policy with respect to interest and penalties ensuing from income tax settlements is to recognize them as noninterest expense.
Earnings Per Share	Earnings Per Share Weighted average shares outstanding as of 2016 2015 2014 Basic 20,610,808 19,250,838 17,821,580 Common stock equivalents attributable to stock-based compensation plans 179,187 141,241 223,448 Diluted 20,789,995 19,392,079 18,045,028 Equity grants, including options and Stock Appreciation Rights, for 77,833, 320,864 and 323,933 weighted average shares of common stock were excluded from the diluted earnings per share calculation in 2016, 2015 and 2014, respectively, due to their anti-dilutive effect.
Share-Based Payment Plans	Share-Based Payment Plans
Fair Value Measurements	Fair Value Measurements
Derivative Instruments	Derivative Instruments
Operating Segments	Operating Segments –
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements – In February 2015, the FASB issued ASU No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis In April 2015, the FASB issued ASU No. 2015-03, Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs In September 2015, the FASB issued ASU No. 2015-16, Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments. In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. The core principle of Topic 842 is that a lessee should recognize the assets and liabilities that arise from leases. All leases create an asset and a liability for the lessee in accordance with FASB Concepts Statement No. 6, Elements of Financial Statements, and, therefore, recognition of those lease assets and lease liabilities represents an improvement over previous GAAP, which did not require lease assets and lease liabilities to be recognized for most leases. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the impact of this ASU on the Company’s consolidated financial statements, however estimates a new lease asset and related lease liability to be small due to the minimal lease locations currently occupied by the Bank. In March 2016, the FASB issued ASU No. 2016-05, Derivatives and Hedging Novations on Existing Hedge Accounting Relationships. The amendments in this Update clarify that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815 does not, in and of itself, require designation of that hedging relationship provided that all other hedge accounting criteria (including those in paragraphs 815-20-35-14 through 35-18) continue to be met. ASU 2016-05 is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the impact of this ASU on the Company’s consolidated financial statements. In March 2016, the FASB issued ASU No. 2016-06, Derivatives and Hedging In March 2016, the FASB issued ASU No 2016-07, Investments – Equity Method and Joint Ventures In March 2016, the FASB issued ASU No. 2016-08, Revenue from Contracts with Customers In March 2016, the FASB issued ASU No. 2016-09, Compensation – Stock Compensation employee share-based payment accounting. The areas for simplification in this Update involve several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. Some of the specific changes associated with the update include all excess tax benefits and tax deficiencies (including tax benefits of dividends on share-based payment awards) being recognized as income tax expense or benefit in the income statement. The tax effects of exercised or vested awards should be treated as discrete items in the reporting period in which they occur. An entity also should recognize excess tax benefits regardless of whether the benefit reduces taxes payable in the current period. An entity can make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest (current GAAP) or account for forfeitures when they occur. ASU 2016-09 is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. The Company is currently evaluating the impact of this ASU but does not expect the ASU to have a material impact on the Company’s consolidated financial statements. In March 2016, the FASB issued ASU 2016-10, Revenue from Contracts with Customers In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows In January 2017, the FASB issued ASU 2017-03, Accounting Changes and Error Corrections ( ) and Investments-Equity Method and Joint Ventures ( ).
Subsequent events	Subsequent events
Reclassifications	Reclassifications
Loans	Loans are stated at the amount of unpaid principal net of loan premiums or discounts for purchased loans, net deferred loan origination fees, discounts associated with retained portions of loans sold, and an allowance for loan losses. Interest on loans is calculated using the simple-interest method on daily balances of the principal amount outstanding. Loan origination fees, net of origination costs and discounts, are amortized over the lives of the loans as adjustments to yield.
Allowance for Loan Losses	Allowance for Loan Losses The allowance for loan losses is established as an amount that management considers adequate to absorb possible losses on existing loans within the portfolio. The allowance consists of general, specific, and unallocated components. The general component is based upon all loans collectively evaluated for impairment. The specific component is based upon all loans individually evaluated for impairment. The unallocated component represents credit losses inherent in the loan portfolio that may not have been contemplated in the general risk factors or the specific allowance analysis. Loans are charged against the allowance when management believes the collection of principal and interest is unlikely. The Company performs regular credit reviews of the loan portfolio to determine the credit quality and adherence to underwriting standards. When loans are originated, they are assigned a risk rating that is reassessed periodically during the term of the loan through the credit review process. The Company’s internal risk rating methodology assigns risk ratings ranging from one to ten, where a higher rating represents higher risk. The ten-point risk rating categories are a primary factor in determining an appropriate amount for the allowance for loan losses. Estimated credit losses reflect consideration of all significant factors that affect the collectability of the loan portfolio. The historical loss rate for each group of loans with similar risk characteristics is determined based on the Company’s own loss experience in that group. Historical loss experience and recent trends in losses provides a reasonable starting point for analysis, however they do not by themselves form a sufficient basis to determine the appropriate level for the allowance for loan losses. Qualitative or environmental factors that are likely to cause estimated credit losses to differ from historical losses are also considered including but not limited to: • Changes in international, regional, and local economic and business conditions and developments that affect the collectability of the portfolio, including the condition of various market segments, • Changes in the nature and volume of the portfolio and in the terms of loans, • Changes in the volume and severity of past due loans, the volume of nonaccrual loans, and the volume and severity of adversely classified or graded loans, • Changes in the quality of the institution’s loan review system, • Changes in the value of underlying collateral for collateral-dependent loans, • The existence and effect of any concentrations of credit, and changes in the level of such concentrations, • The effect of other external factors such as competition and legal and regulatory requirements on the level of estimated credit losses in the institution’s existing portfolio, • Changes in lending policies and procedures, including changes in underwriting standards and collection, charge-off, and recovery practices not considered elsewhere in estimating credit losses, and • Changes in the current and future US political environment, including healthcare reform, federal tax structure, and immigration reform that may affect national, regional and local economic conditions, taxation, or disruption of national or global financial markets. The adequacy of the allowance for loan losses and the reserve for unfunded commitments is determined using a consistent, systematic methodology and is monitored regularly based on management’s evaluation of numerous factors. For each portfolio segment, these factors include: • The quality of the current loan portfolio, • The trend in the migration of the loan portfolio’s risk ratings, • The velocity of migration of losses and potential losses, • Current economic conditions, • Loan concentrations, • Loan growth rates, • Past-due and nonperforming trends, • Evaluation of specific loss estimates for all significant problem loans, • Recovery experience, and • Peer comparison loss rates.

Summary of Significant Accoun37

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2016
Accounting Policies [Abstract]
Schedule of Weighted Average Shares Outstanding	Weighted average shares outstanding as of 2016 2015 2014 Basic 20,610,808 19,250,838 17,821,580 Common stock equivalents attributable to stock-based compensation plans 179,187 141,241 223,448 Diluted 20,789,995 19,392,079 18,045,028

Business Combinations (Tables)

Business Combinations (Tables)	12 Months Ended
	Dec. 31, 2016
Business Combinations [Abstract]
Summary of Net Assets Acquired and Estimated Fair Value Adjustments	A summary of the net assets acquired and the estimated fair value adjustments of Foundation Bancorp are presented below: September 6, 2016 Cost basis net assets $ 90,993 Less: Cash payment to shareholders (19,337 ) Stock issued (47,794 ) Fair value adjustments: Loans, net (11,257 ) Core deposit intangible 5,762 Junior subordinated debentures 3,173 Deferred tax asset adjustment (2,979 ) Securities 1,673 Other 1,141 Goodwill $ 21,375
Statement of Assets Acquired and Liabilities Assumed at Fair Values	The statement of assets acquired and liabilities assumed at their fair values are presented below as of the transaction closing date: FOUNDATION BANCORP, INC. Opening balance sheet (in thousands) unaudited September 6, 2016 ASSETS Cash and due from banks, net of consideration paid $ 43,855 Securities available-for-sale 88,464 Gross loans 281,790 Fair value adjustments Credit quality-related (8,884 ) Interest rate-related (2,373 ) Net loans 270,533 Interest receivable 934 Federal Home Loan Bank stock 532 Property and equipment 408 Goodwill 21,375 Core deposit intangible 5,762 Deferred tax asset 3,925 Other real estate owned 1,219 Bank-owned life insurance 11,574 Other asset 1,465 Total assets $ 450,046 LIABILITIES AND SHAREHOLDERS EQUITY Deposits $ 396,509 Other liabilities 2,730 Junior subordinated debentures 3,013 Total liabilities 402,252 Common stock issued to Foundation Bancorp shareholders 47,794 Total liabilities and shareholders’ equity $ 450,046

Loans, Allowance for Loan Los39

Loans, Allowance for Loan Losses, and Credit Quality Indicators (Tables)	12 Months Ended
	Dec. 31, 2016
Summary of Loan Classifications	Major classifications of loans at December 31, 2016 and 2015 are as follows: December 31, % of gross December 31, % of gross 2016 loans 2015 loans Real estate secured loans: Multi-family residential $ 74,340 4.00 % $ 66,445 4.73 % Residential 1-4 family 61,548 3.31 % 53,776 3.82 % Owner-occupied commercial 461,557 24.82 % 364,742 25.94 % Nonowner-occupied commercial 451,893 24.30 % 300,774 21.39 % Total permanent real estate loans 1,049,338 56.43 % 785,737 55.88 % Construction loans: Multi-family residential 22,252 1.20 % 7,027 0.50 % Residential 1-4 family 43,532 2.34 % 30,856 2.19 % Commercial real estate 76,301 4.10 % 42,680 3.04 % Commercial bare land and acquisition & development 15,081 0.81 % 20,537 1.46 % Residential bare land and acquisition & development 10,645 0.57 % 7,268 0.52 % Total construction real estate loans 167,811 9.02 % 108,368 7.71 % Total real estate loans 1,217,149 65.45 % 894,105 63.59 % Commercial loans 630,491 33.89 % 501,976 35.70 % Consumer loans 2,922 0.16 % 3,351 0.24 % Other loans 9,225 0.50 % 6,580 0.47 % Gross loans 1,859,787 100.00 % 1,406,012 100.00 % Deferred loan origination fees (2,020 ) (1,530 ) 1,857,767 1,404,482 Allowance for loan losses (22,454 ) (17,301 ) Total loans, net of allowance for loan losses and net deferred fees $ 1,835,313 $ 1,387,181
Summary of Contractually Required Principal Balance of Purchased Credit Impaired Loans and Carrying Value	The following table represents the contractually required principal balance of purchased credit impaired loans and the carrying balance at December 31, 2016, 2015 and 2014: December 31, 2016 2015 2014 Contractually required principal payments for purchased credit impaired loans $ 22,941 $ 11,528 $ 2,753 Accretable yield (1,453 ) (1,070 ) (151 ) Nonaccretable yield (809 ) (378 ) (321 ) Balance of purchased credit impaired loans $ 20,679 $ 10,080 $ 2,281
Summary of Changes in Accretable Yield for Purchased Credit Impaired Loans	The following tables summarize the changes in the accretable yield for purchased credit impaired loans for the year ended December 31, 2016 and 2015: Year ended December 31, 2016 Century Capital Pacific Foundation Total Balance, beginning of period $ 40 $ 1,030 $ — $ 1,070 Additions — — 908 908 Accretion to interest income (40 ) (265 ) (220 ) (525 ) Balance, end of period $ — $ 765 $ 688 $ 1,453 Year ended December 31, 2015 Century Capital Pacific Total Balance, beginning of period $ 151 $ — $ 151 Additions — 1,569 1,569 Accretion to interest income (111 ) (539 ) (650 ) Balance, end of period $ 40 $ 1,030 $ 1,070
Summary of Allowance for Credit Losses Activity by Loan Segment	The following tables present a summary of the activity in the allowance for loan losses by major loan classification for the periods ended December 31, 2016, 2015 and 2014: For the year ended December 31, 2016 Commercial Real Construction Consumer Unallocated Total Beginning balance $ 6,349 $ 8,297 $ 1,258 $ 46 $ 1,351 $ 17,301 Charge-offs (716 ) — — (9 ) — (725 ) Recoveries 207 55 163 3 — 428 Provision (reclassification) 2,774 2,520 360 1 (205 ) 5,450 Ending balance $ 8,614 $ 10,872 $ 1,781 $ 41 $ 1,146 $ 22,454 For the year ended December 31, 2015 Commercial Real Construction Consumer Unallocated Total Beginning balance $ 5,733 $ 7,494 $ 1,077 $ 54 $ 1,279 $ 15,637 Charge-offs (630 ) (61 ) — (9 ) — (700 ) Recoveries 562 76 16 15 — 669 Provision (reclassification) 684 788 165 (14 ) 72 1,695 Ending balance $ 6,349 $ 8,297 $ 1,258 $ 46 $ 1,351 $ 17,301 For the year ended December 31, 2014 Commercial Real Construction Consumer Unallocated Total Beginning balance $ 5,113 $ 7,668 $ 1,493 $ 68 $ 1,575 $ 15,917 Charge-offs (610 ) (58 ) (155 ) (12 ) — (835 ) Recoveries 348 186 16 5 — 555 Provision (reclassification) 882 (302 ) (277 ) (7 ) (296 ) — Ending balance $ 5,733 $ 7,494 $ 1,077 $ 54 $ 1,279 $ 15,637 The following table presents the allowance and recorded investment in loans by major loan classification at December 31, 2016, and 2015: December 31, 2016 Commercial Real Estate Construction Consumer Unallocated Total Ending allowance: collectively evaluated for impairment $ 7,881 $ 10,869 $ 1,781 $ 41 $ 1,146 $ 21,718 Ending allowance: individually evaluated for impairment 733 3 — — — 736 Ending allowance: loans acquired with deteriorated credit quality — — — — — — Total ending allowance $ 8,614 $ 10,872 $ 1,781 $ 41 $ 1,146 $ 22,454 Ending loan balance: collectively evaluated for impairment $ 628,773 $ 1,027,354 $ 167,491 $ 2,922 $ — $ 1,826,540 Ending loan balance: individually evaluated for impairment 4,396 7,852 320 — — 12,568 Ending loan balance: loans acquired with deteriorated credit quality 6,547 14,132 — — — 20,679 Total ending loan balance $ 639,716 $ 1,049,338 $ 167,811 $ 2,922 $ — $ 1,859,787 December 31, 2015 Commercial Real Estate Construction Consumer Unallocated Total Ending allowance: collectively evaluated for impairment $ 6,303 $ 8,267 $ 1,159 $ 46 $ 1,351 $ 17,126 Ending allowance: individually evaluated for impairment 46 30 99 — — 175 Ending allowance: loans acquired with deteriorated credit quality — — — — — — Total ending allowance $ 6,349 $ 8,297 $ 1,258 $ 46 $ 1,351 $ 17,301 Ending loan balance: collectively evaluated for impairment $ 504,261 $ 771,915 $ 107,605 $ 3,351 $ — $ 1,387,132 Ending loan balance: individually evaluated for impairment 2,627 5,782 391 — — 8,800 Ending loan balance: loans acquired with deteriorated credit quality 1,668 8,040 372 — — 10,080 Total ending loan balance $ 508,556 $ 785,737 $ 108,368 $ 3,351 $ — $ 1,406,012
Credit Quality Indicators	The following tables present the Company’s loan portfolio information by loan type and credit grade at December 31, 2016, and 2015: Credit Quality Indicators As of December 31, 2016 Loan Grade Pass Special Mention Substandard Doubtful Totals Real estate loans Multi-family residential $ 74,340 $ — $ — $ — $ 74,340 Residential 1-4 family 58,286 — 3,262 — 61,548 Owner-occupied commercial 443,737 — 17,820 — 461,557 Nonowner-occupied commercial 445,283 — 6,610 — 451,893 Total real estate loans 1,021,646 — 27,692 — 1,049,338 Construction Multi-family residential 22,252 — — — 22,252 Residential 1-4 family 43,532 — — — 43,532 Commercial real estate 76,301 — — — 76,301 Commercial bare land and acquisition & development 15,081 — — — 15,081 Residential bare land and acquisition & development 9,852 — 793 — 10,645 Total construction loans 167,018 — 793 — 167,811 Commercial and other 621,165 — 16,890 1,661 639,716 Consumer 2,922 — — — 2,922 Totals $ 1,812,751 $ — $ 45,375 $ 1,661 $ 1,859,787 Percentage of total portfolio 97.47 % 0.00 % 2.44 % 0.09 % 100.00 % Credit Quality Indicators As of December 31, 2015 Loan Grade Pass Special Mention Substandard Doubtful Totals Real estate loans Multi-family residential $ 66,208 $ — $ 237 $ — $ 66,445 Residential 1-4 family 49,077 — 4,699 — 53,776 Owner-occupied commercial 353,249 — 11,493 — 364,742 Nonowner-occupied commercial 296,528 — 4,246 — 300,774 Total real estate loans 765,062 — 20,675 — 785,737 Construction Multi-family residential 7,027 — — — 7,027 Residential 1-4 family 30,803 — 53 — 30,856 Commercial real estate 42,580 — 100 — 42,680 Commercial bare land and acquisition & development 20,265 — 272 — 20,537 Residential bare land and acquisition & development 4,969 — 2,299 — 7,268 Total construction loans 105,644 — 2,724 — 108,368 Commercial and other 494,267 — 14,289 — 508,556 Consumer 3,350 — 1 — 3,351 Totals $ 1,368,323 $ — $ 37,689 $ — $ 1,406,012 Percentage of total portfolio 97.32 % 0.00 % 2.68 % 0.00 % 100.00 %
Aged Analysis of Dental Loans Receivable	The following tables present an aged analysis of past due and nonaccrual loans at December 31, 2016, and 2015: Aged Analysis of Loans Receivable As of December 31, 2016 Greater 30-59 Days 60-89 Days Than Total Past Past Due Past Due 90 Days Due and Total Total Loans Still Accruing Still Accruing Still Accruing Nonaccrual Nonaccrual Current Receivable Real estate loans Multi-family residential $ — $ — $ — $ — $ — $ 74,340 $ 74,340 Residential 1-4 family — — — 158 158 59,241 59,399 Owner-occupied commercial — — — — — 452,748 452,748 Nonowner-occupied commercial — — — 601 601 448,118 448,719 Total real estate loans — — — 759 759 1,034,447 1,035,206 Construction Multi-family residential — — — — — 22,252 22,252 Residential 1-4 family — — — — — 43,532 43,532 Commercial real estate — — — — — 76,301 76,301 Commercial bare land and acquisition & development — — — — — 15,081 15,081 Residential bare land and acquisition & development — — — — — 10,645 10,645 Total construction loans — — — — — 167,811 167,811 Commercial and other 363 366 — 2,794 3,523 629,646 633,169 Consumer — — — — — 2,922 2,922 Total $ 363 $ 366 $ — $ 3,553 $ 4,282 $ 1,834,826 $ 1,839,108 Percentage of total portfolio 0.02 % 0.02 % 0.00 % 0.19 % 0.23 % 99.77 % 100.00 % Aged Analysis of Loans Receivable As of December 31, 2015 Greater 30-59 Days 60-89 Days Than Total Past Past Due Past Due 90 Days Due and Total Total Loans Still Accruing Still Accruing Still Accruing Nonaccrual Nonaccrual Current Receivable Real estate loans Multi-family residential $ — $ — $ — $ — $ — $ 66,445 $ 66,445 Residential 1-4 family — — — 374 374 51,578 51,952 Owner-occupied commercial — — — — — 359,065 359,065 Nonowner-occupied commercial — — — 750 750 299,485 300,235 Total real estate loans — — — 1,124 1,124 776,573 777,697 Construction Multi-family residential — — — — — 7,027 7,027 Residential 1-4 family 480 — — 53 533 30,323 30,856 Commercial real estate — — — — — 42,580 42,580 Commercial bare land and acquisition & development — — — — — 20,265 20,265 Residential bare land and acquisition & development — — — — — 7,268 7,268 Total construction loans 480 — — 53 533 107,463 107,996 Commercial and other — — — 1,495 1,495 505,393 506,888 Consumer 1 3 — — 4 3,347 3,351 Total $ 481 $ 3 $ — $ 2,672 $ 3,156 $ 1,392,776 $ 1,395,932 Percentage of total portfolio 0.03 % 0.00 % 0.00 % 0.19 % 0.23 % 99.77 % 100.00 %
Analysis of Impaired Loans	The following tables display an analysis of the Company’s impaired loans at December 31, 2016, and 2015: Impaired Loan Analysis As of December 31, 2016 Recorded Recorded With Specific Recorded Unpaid Average Related Real estate Multi-family residential $ — $ — $ — $ — $ — $ — Residential 1-4 family 454 300 754 775 644 1 Owner-occupied commercial 4,106 865 4,971 4,971 1,804 2 Nonowner-occupied commercial 2,127 — 2,127 2,189 2,228 — Total real estate loans 6,687 1,165 7,852 7,935 4,676 3 Construction Multi-family residential — — — — — — Residential 1-4 family — — — — 37 — Commercial real estate — — — — — — Commercial bare land and acquisition & development — — — — — — Residential bare land and acquisition & development 320 — 320 320 1,556 — Total construction loans 320 — 320 320 1,593 — Commercial and other 2,255 2,141 4,396 4,767 3,518 733 Consumer — — — — — — Total impaired loans $ 9,262 $ 3,306 $ 12,568 $ 13,022 $ 9,787 $ 736 Impaired Loan Analysis As of December 31, 2015 Recorded Recorded With Specific Recorded Unpaid Average Related Real estate Multi-family residential $ — $ — $ — $ — $ — $ — Residential 1-4 family 374 308 682 911 766 5 Owner-occupied commercial 2,788 — 2,788 2,788 1,177 — Nonowner-occupied commercial 2,287 25 2,312 2,374 2,395 25 Total real estate loans 5,449 333 5,782 6,073 4,338 30 Construction Multi-family residential — — — — — — Residential 1-4 family 53 — 53 72 32 — Commercial real estate — — — — — — Commercial bare land and acquisition & development — — — — — — Residential bare land and acquisition & development — 338 338 338 347 99 Total construction loans 53 338 391 410 379 99 Commercial and other 2,091 536 2,627 3,018 2,404 46 Consumer — — — — — — Total impaired loans $ 7,593 $ 1,207 $ 8,800 $ 9,501 $ 7,121 $ 175
Schedule of Troubled Debt Restructurings by Class	The following table displays the Company’s TDRs by class at December 31, 2016, and 2015: Troubled Debt Restructurings as of December 31, 2016 December 31, 2015 Number of Outstanding Number of Outstanding Real estate Multifamily residential — $ — — $ — Residential 1-4 family 4 754 6 682 Owner-occupied commercial 4 5,447 3 2,788 Non owner-occupied commercial 6 2,127 7 2,312 Total real estate loans 14 8,328 16 5,782 Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other 16 2,901 11 2,170 Consumer — — — — 30 $ 11,229 27 $ 7,952
Schedule of Restructured Loans	The following tables present newly restructured loans that occurred during the twelve months ended December 31, 2016, and 2015, respectively: Troubled Debt Restructurings Restructured during the twelve months ended December 31, 2016 Rate Term Interest Only Combination Real estate Multifamily residential $ — $ — $ — $ — Residential 1-4 family — — — 296 Owner-occupied commercial — — 4,478 — Non owner-occupied commercial — — — — Total real estate loans — — 4,478 296 Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other — — 445 651 Consumer — — — — $ — $ — $ 4,923 $ 947 Troubled Debt Restructurings Restructured during the twelve months ended December 31, 2015 Rate Term Interest Only Combination Real estate Multifamily residential $ — $ — $ — $ — Residential 1-4 family — — — — Owner-occupied commercial — 1,780 — — Non owner-occupied commercial — — — — Total real estate loans — 1,780 — — Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other 297 — — — Consumer — — — — $ 297 $ 1,780 $ — $ —
Schedule of Troubled Debt Restructurings that Subsequently Defaulted	The following table presents loans receivable modified as troubled debt restructurings that subsequently defaulted within twelve months during the period: Troubled Debt Restructurings 2016 2015 Number of Recorded Number of Recorded Real estate Multifamily residential — $ — — $ — Residential 1-4 family — — — — Owner-occupied commercial 1 475 — — Non owner-occupied commercial — — — — Total real estate loans 1 475 — — Construction Multifamily residential — — — — Residential 1-4 family — — — — Commercial real estate — — — — Commercial bare land and acquisition & development — — — — Residential bare land and acquisition & development — — — — Total construction loans — — — — Commercial and other — — — — Consumer — — — — 1 $ 475 — $ —
Dental Loan [Member]
Credit Quality Indicators	The following tables present the Company’s dental loan portfolio information by market and credit grade at December 31, 2016 and 2015: Dental Credit Quality Indicators As of December 31, 2016 Loan Grade Pass Special Substandard Doubtful Totals Local $ 148,805 $ — $ 1,463 $ — $ 150,268 National 224,493 — 1,056 1,661 227,210 Total $ 373,298 $ — $ 2,519 $ 1,661 $ 377,478 Dental Credit Quality Indicators As of December 31, 2015 Loan Grade Pass Special Substandard Doubtful Totals Local $ 143,541 $ — $ 2,276 $ — $ 145,817 National 191,574 — 2,771 — 194,345 Total $ 335,115 $ — $ 5,047 $ — $ 340,162
Aged Analysis of Dental Loans Receivable	The following tables present an aged analysis of the dental loans by market, including nonaccrual loans, at December 31, 2016 and 2015: Aged Analysis of Dental Loans Receivable As of December 31, 2016 30-59 Days 60-89 Days Greater Than Nonaccrual Total Past Total Total Loans Local $ — $ — $ — $ 407 $ 407 $ 149,861 $ 150,268 National 263 366 — 1,660 2,289 224,921 227,210 Total $ 263 $ 366 $ — $ 2,067 $ 2,696 $ 374,782 $ 377,478 Aged Analysis of Dental Loans Receivable As of December 31, 2015 30-59 Days 60-89 Days Greater Than Nonaccrual Total Past Total Total Loans Local $ — $ — $ — $ 513 $ 513 $ 145,304 $ 145,817 National — — — — — 194,345 194,345 Total $ — $ — $ — $ 513 $ 513 $ 339,649 $ 340,162
Century Bank, Capital Pacific Bank and Foundation Bank [Member]
Summary of Acquired Loans at Acquisition Date	The following table represents the contractually required principal payments, net of any previous charge offs, and the carrying balance of loans acquired in the Century Bank, Capital Pacific Bank and Foundation Bank acquisitions, at December 31, 2016, 2015 and 2014, respectively. December 31, 2016 2015 2014 Contractually required principal payments, net of charge offs $ 373,674 $ 183,347 $ 28,187 Purchase adjustment for credit and interest rate (11,297 ) (3,958 ) (881 ) Balance of acquired loans $ 362,377 $ 179,389 $ 27,306
Foundation Bancorp Inc [Member]
Summary of Acquired Loans at Acquisition Date	Acquired loans at the acquisition date and as of December 31, 2016, are presented below: September 6, 2016 December 31, 2016 Contractually required principal payments $ 281,790 $ 243,552 Purchase adjustment for credit and interest rate (11,257 ) (8,787 ) Balance of acquired loans $ 270,533 $ 234,765

Securities Available-for-Sale (

Securities Available-for-Sale (Tables)	12 Months Ended
	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Schedule of Amortized Cost, Gross Unrealized Gains, Gross Unrealized Losses and Estimated Fair Values of Securities Available-for-Sale	The amortized cost and estimated fair values of securities available-for-sale at December 31, 2016, are as follows: Gross Gross Estimated Percentage Amortized Unrealized Unrealized Fair of Cost Gains Losses Value Portfolio Unrealized Loss Positions Obligations of U.S. government agencies $ 3,995 $ — $ (49 ) $ 3,946 0.84 % Obligations of states and political subdivisions 41,016 — (1,279 ) 39,737 8.44 % Private-label mortgage-backed securities 241 — (23 ) 218 0.05 % Mortgage-backed securities 221,835 — (5,362 ) 216,473 45.96 % SBA variable rate pools 26,758 — (493 ) 26,265 5.57 % $ 293,845 $ — $ (7,206 ) $ 286,639 60.86 % Unrealized Gain Positions Obligations of U.S. government agencies $ 21,290 $ 384 $ — $ 21,674 4.60 % Obligations of states and political subdivisions 69,148 1,854 — 71,002 15.07 % Private-label mortgage-backed securities 1,566 153 — 1,719 0.36 % Mortgage-backed securities 72,752 811 — 73,563 15.62 % SBA variable rate pools 16,281 118 — 16,399 3.48 % $ 181,037 $ 3,320 $ — $ 184,357 39.14 % $ 474,882 $ 3,320 $ (7,206 ) $ 470,996 100.00 % The amortized cost and estimated fair values of securities available-for-sale at December 31, 2015, were as follows: Gross Gross Estimated Percentage Amortized Unrealized Unrealized Fair of Cost Gains Losses Value Portfolio Unrealized Loss Positions Obligations of U.S. government agencies $ 14,491 $ — $ (119 ) $ 14,372 3.93 % Obligations of states and political subdivisions 13,438 — (149 ) 13,289 3.63 % Private-label mortgage-backed securities 663 — (33 ) 630 0.17 % Mortgage-backed securities 95,040 — (856 ) 94,184 25.75 % SBA variable rate pools 17,225 — (101 ) 17,124 4.68 % Corporate securities 899 — (5 ) 893 0.25 % $ 140,857 $ — $ (1,258 ) $ 139,599 38.41 % Unrealized Gain Positions Obligations of U.S. government agencies $ 29,669 $ 582 $ — $ 30,251 8.27 % Obligations of states and political subdivisions 80,119 3,743 — 83,862 22.93 % Private-label mortgage-backed securities 2,028 131 — 2,159 0.59 % Mortgage-backed securities 90,126 1,060 — 91,186 24.93 % SBA variable rate pools 18,560 88 — 18,648 5.10 % 220,502 5,604 — 226,106 61.82 % $ 361,359 $ 5,604 $ (1,258 ) $ 365,705 100.23 %
Schedule of Roll-Forward Amount of Credit-Related OTTI	Following is a tabular roll-forward of the amount of credit-related OTTI recognized in earnings during 2016, 2015 and 2014: December 31, 2016 2015 2014 Balance, beginning of period: $ 249 $ 227 $ 227 Additions: OTTI credit loss recorded 21 22 — Less: OTTI reduction from sale or maturity — — — Balance, end of period: $ 270 $ 249 $ 227
Schedule of Investment Securities in Continuous Unrealized Loss Position	The following table presents a summary of securities in a continuous unrealized loss position at December 31, 2016: Securities in Gross Securities in Gross Obligations of U.S. government agencies $ 3,946 $ (49 ) $ — $ — Obligations of states and political subdivisions 39,737 (1,279 ) — — Private-label mortgage-backed securities — — 218 (23 ) Mortgage-backed securities 211,721 (5,266 ) 4,752 (96 ) SBA variable rate pools 22,076 (458 ) 4,189 (35 ) $ 277,480 $ (7,052 ) $ 9,159 $ (154 ) The following table presents a summary of securities in a continuous unrealized loss position at December 31, 2015: Securities in Gross Securities in Gross Obligations of U.S. government agencies $ 14,372 $ (119 ) $ — $ — Obligations of states and political subdivisions 12,761 (145 ) 528 (4 ) Private-label mortgage-backed securities 240 (4 ) 390 (29 ) Mortgage-backed securities 87,896 (711 ) 6,288 (145 ) SBA variable rate pools 13,539 (78 ) 3,585 (23 ) Corporate securities 893 (5 ) — — $ 129,701 $ (1,062 ) $ 10,791 $ (201 )
Schedule of Amortized Cost and Fair Value of Securities Available-for-Sale	The amortized cost and estimated fair value of securities at December 31, 2016, and 2015, are shown below by maturity or projected average life, depending on the type of security. Obligations of U.S. government agencies and states and political subdivisions are shown by contractual maturity. Mortgage-backed securities are shown by projected average life. December 31, 2016 2015 Amortized Estimated Amortized Estimated Due in one year or less $ 5,433 $ 5,442 $ 14,455 $ 14,513 Due after one year through 5 years 258,557 259,777 235,926 238,637 Due after 5 years through 10 years 193,063 189,049 109,017 110,539 Due after 10 years 17,829 16,728 2,860 2,909 $ 474,882 $ 470,996 $ 362,258 $ 366,598
Schedule of Investment Securities Pledged to Secure Public Deposits and Repurchase Agreements	The following table presents investment securities which were pledged to secure public deposits and repurchase agreements as permitted and required by law: December 31, 2016 2015 Amortized Estimated Amortized Estimated Pledged to secure public deposits $ 25,257 $ 25,683 $ 27,938 $ 29,052 Pledged to secure repurchase agreements 3,579 3,573 3,985 4,111 $ 28,836 $ 29,256 $ 31,923 $ 33,163

Dental Loan Portfolio (Tables)

Dental Loan Portfolio (Tables)	12 Months Ended
	Dec. 31, 2016
Text Block [Abstract]
Major Classifications of Dental Loans	Major classifications of dental loans, at December 31, 2016, and 2015, are as follows: December 31, 2016 2015 Real estate secured loans: Owner-occupied commercial $ 63,793 $ 56,145 Other dental real estate loans 806 2,198 Total permanent real estate loans 64,599 58,343 Dental construction loans 4,109 4,334 Total real estate loans 68,708 62,677 Commercial loans 308,770 277,485 Gross loans $ 377,478 $ 340,162
Dental Loan Total by Market	The following table represents the dental lending by borrower location: December 31, 2016 2015 Local $ 150,268 $ 145,817 National 227,210 194,345 Total $ 377,478 $ 340,162
Dental Portfolio Allowance Activity	The specific component is based upon dental loans individually evaluated for impairment. For the Years Ended December 31, 2016 2015 2014 Balance, beginning of period $ 4,022 $ 4,141 $ 3,730 Provision (reclassification) 636 (71 ) 918 Charge-offs (9 ) (78 ) (631 ) Recoveries 64 30 124 Balance, end of period $ 4,713 $ 4,022 $ 4,141

Loan Participations and Servi42

Loan Participations and Servicing (Tables)	12 Months Ended
	Dec. 31, 2016
Text Block [Abstract]
Amounts of Loans Participated	The following table reflects the amounts of loans participated. December 31, 2016 2015 Total principal amount outstanding $ 61,130 $ 74,018 less: principal amount derecognized (28,467 ) (37,211 ) Principal amount included in gross loans on the balance sheet $ 32,663 $ 36,807

Property and Equipment (Tables)

Property and Equipment (Tables)	12 Months Ended
	Dec. 31, 2016
Property, Plant and Equipment [Abstract]
Schedule of Property and Equipment Net	The balance of property and equipment net of accumulated depreciation and amortization at December 31, 2016 and 2015, consists of the following: December 31, 2016 2015 Land $ 3,831 $ 3,831 Buildings and improvements 20,343 19,244 Furniture and equipment 16,794 14,310 40,968 37,385 less: accumulated depreciation & amortization (20,760 ) (19,371 ) Net property and equipment $ 20,208 $ 18,014
Summary of Future Minimum Payments Required and Anticipated Lease Revenues	Future minimum payments required and anticipated lease revenues under these leases are: Lease Property 2017 $ 1,755 $ 250 2018 1,650 254 2019 1,540 258 2020 1,127 228 2021 851 172 Thereafter 4,079 — $ 11,002 $ 1,162

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Summary of Changes in Goodwill and Core Deposit Intangible Asset	The following table summarizes the changes in the Company’s goodwill and core deposit intangible asset for the three years ended December 31, 2016, 2015 and 2014: Goodwill Core Total Balance, December 31, 2013 $ 22,881 $ 735 $ 23,616 Amortization — (121 ) (121 ) Balance, December 31, 2014 $ 22,881 $ 614 $ 23,495 Increase due to Capital Pacific acquisition 16,374 3,721 20,095 Amortization — (431 ) (431 ) Balance, December 31, 2015 $ 39,255 $ 3,904 $ 43,159 Increase due to Capital Pacific acquisition 771 — 771 Increase due to Foundation acquisition 21,375 5,762 27,137 Amortization — (685 ) (685 ) Balance, December 31, 2016 $ 61,401 $ 8,981 $ 70,382
Summary of Estimated Amortization Expense	The table below presents the forecasted amortization expense for intangible assets related to the acquisition of Century Bank, Capital Pacific Bank, and Foundation Bank. Year Expected 2017 $ 1,069 2018 1,069 2019 1,069 2020 958 2021 948 Thereafter 3,868 $ 8,981

Deposits (Tables)

Deposits (Tables)	12 Months Ended
	Dec. 31, 2016
Banking and Thrift [Abstract]
Scheduled Maturities or Repricing of Time Deposits	Scheduled maturities or repricing of time deposits at December 31, 2016, are as follows: December 31, 2016 2017 $ 87,701 2018 25,640 2019 28,049 2020 17,286 2021 7,842 Thereafter 12,365 $ 178,883

Securities Sold Under Agreeme46

Securities Sold Under Agreement to Repurchase (Tables)	12 Months Ended
	Dec. 31, 2016
Brokers and Dealers [Abstract]
Schedule of Information Regarding Securities Sold Under Agreements Repurchase	The following table presents information regarding securities sold under agreements to repurchase at December 31, 2016 and 2015. December 31, 2016 2015 Balance at end of period $ 1,966 $ 71 Average Balance outstanding for the period 702 183 Maximum amount outstanding at any month end during the period 2,107 618 Weighted average interest rate for the period 0.06 % 0.00 % weighted average interest rate at period end 0.08 % 0.00 %

Federal Home Loan Bank Borrow47

Federal Home Loan Bank Borrowings (Tables)	12 Months Ended
	Dec. 31, 2016
Banking and Thrift [Abstract]
Federal Home Loan Bank Borrowings by Year of Maturity and Applicable Interest Rate	FHLB borrowings by year of maturity and applicable interest rate are summarized as follows as of December 31, 2016: Current December 31, Rates 2016 Cash management advance 0.70 % $ 57,000 2017 2.28 % 3,000 2018 1.55 % 3,000 2019 — — 2020 — — Thereafter 3.85 % 2,000 $ 65,000

Derivative Instruments (Tables)

Derivative Instruments (Tables)	12 Months Ended
	Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Summary of Quantitative Information Pertaining to Interest Rate Swaps	The following tables present quantitative information pertaining to the interest rate swaps as of December 31, 2016 and 2015: December 31, 2016 December 31, 2015 Hedge- Not-Hedge- Hedge- Not-Hedge- Notional amount $ 1,492 $ 8,540 $ 1,525 $ 8,774 Weighted average pay rate 5.71 % 4.85 % 5.71 % 4.85 % Weighted average receive rate 3.54 % 3.63 % 3.20 % 3.28 % Weighted average maturity in years 6.65 5.45 7.60 6.49
Summary of Interest Rate Swaps	The following table presents the fair values of interest rate swaps and their locations in the Consolidated Balance Sheets as of December 31, 2016 and 2015: Asset Derivatives Liability Derivatives Balance sheet December 31, December 31, Derivative location 2016 2015 2016 2015 Interest rate swap designated as a hedging instrument Other assets or $ 45 $ 66 $ 67 $ 93 Interest rate swaps not designated as hedging instruments Other assets or $ 14 $ 24 $ 14 $ 24 The following table presents the income statement impact of these interest rate swaps for the years ended December 31, 2016, 2015 and 2014: Derivative Consolidated 2016 2015 2014 Interest rate swaps not designated as a hedging instrument Other noninterest $ 6 $ (5 ) $ — $ 6 $ (5 ) $ —

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Provision for Income Taxes	The provision for income taxes for the years ended December 31, 2016, 2015 and 2014 consists of the following: December 31, 2016 2015 2014 Current payable: Federal $ 8,414 $ 8,136 $ 5,747 State 1,989 800 159 10,403 8,936 5,906 Deferred: Federal (579 ) 358 1,608 State (115 ) 795 1,158 (694 ) 1,153 2,766 Total income tax provision $ 9,709 $ 10,089 $ 8,672
Provision for Income Taxes Results in Effective Tax Rates	The provision for income taxes results in effective tax rates which are different than the federal income tax statutory rate. The nature of the differences for the years ended December 31, 2016, 2015 and 2014 were as follows: 2016 2015 2014 Expected federal income tax provision $ 10,320 35.00 % $ 10,094 35.00 % $ 8,650 35.00 % State income tax, net of federal income tax effect 1,138 3.86 % 1,365 4.73 % 948 3.84 % Municipal securities tax benefit (1,429 ) -4.85 % (1,049 ) -3.64 % (747 ) -3.02 % Equity-based compensation — 0.00 % — 0.00 % 5 0.02 % (Expense) benefit of purchased tax credits (1 ) 0.00 % 1 0.00 % 25 0.10 % Low-income (393 ) -1.33 % (234 ) -0.81 % (199 ) -0.81 % Bank Owned Life Insurance (273 ) -0.93 % (230 ) -0.80 % (184 ) -0.74 % Acquisition costs - Century Bank — 0.00 % — 0.00 % 150 0.61 % Acquisition costs - Capital Pacific Bank — 0.00 % 155 0.54 % — 0.00 % Acquisition costs - Foundation Bank 484 1.64 % — 0.00 % — 0.00 % Deferred tax rate adjustments and other (137 ) -0.46 % (13 ) -0.05 % 24 0.10 % Income tax provision $ 9,709 32.93 % $ 10,089 34.97 % $ 8,672 35.10 %
Components of Deferred Tax Assets and Liabilities	The components of deferred tax assets and liabilities for the periods ended December 31, 2016 and 2015 are as follows: December 31, 2016 2015 Assets: Allowance for loan losses $ 12,890 $ 7,868 Basis adjustments on loans 1,307 1,677 Reserve for self-funded insurance 139 104 Nonqualified stock options 489 816 Accrued compensation 1,592 1,617 OTTI credit impairment 105 94 Nonaccrual loan interest 53 193 NOL carryforward 3,893 — Net unrealized loss on securities 1,516 — Other 137 91 Total deferred tax assets $ 22,121 $ 12,460 Liabilities: Federal Home Loan Bank stock dividends $ 599 $ 589 Excess tax over book depreciation 1,502 1,134 Prepaid expenses 583 466 Acquisition adjustments relating to core deposit intangible, deferred loan origination costs, junior subordinated debenture and other 4,877 1,512 Loan origination fees 1,514 1,346 Net unrealized gains on swaps 35 32 Net unrealized gains on securities — 1,694 Other 289 17 Total deferred tax liabilities 9,399 6,790 Deferred income tax asset 12,722 5,670 Valuation allowance — — Net deferred tax asset $ 12,722 $ 5,670

Share-Based Compensation (Table

Share-Based Compensation (Tables)	12 Months Ended
	Dec. 31, 2016
Schedule of Compensation Expenses and Tax Benefits	The following tables identify the compensation expenses recorded and tax benefits received by the Company in conjunction with its share-based compensation plans for the years ended December 31, 2016, 2015, and 2014: For the Year Ended December 31, 2016 2015 2014 Compensation Tax Benefit Compensation Tax Benefit Compensation Tax Benefit Equity-based awards: Director restricted stock $ 269 $ 94 $ 248 $ 87 $ 200 $ 70 Employee stock options — — — — 13 — Employee stock SARs — — — — 26 9 Employee RSUs 1,584 554 1,452 508 1,215 425 Liability-based awards: Employee cash SARs 150 53 (50 ) (18 ) 75 26 $ 2,003 $ 701 $ 1,650 $ 577 $ 1,529 $ 530
Summary of Stock Option Activity	The following table summarizes information about stock option activity under all plans for the years ended December 31, 2016, 2015, and 2014: For the Years Ended December 31, 2016 2015 2014 Options Weighted Options Weighted Options Weighted Balance, beginning of year 319,454 $ 14.23 327,050 $ 14.16 367,906 $ 14.15 Exercised (68,907 ) 14.85 (7,596 ) 11.44 (16,779 ) 11.29 Forfeited or expired (12,243 ) 16.34 — — (24,077 ) 16.00 Balance, end of year 238,304 $ 13.94 319,454 $ 14.23 327,050 $ 14.16 Options exercisable, end of year 238,304 $ 13.94 319,454 $ 14.23 327,050 $ 14.16
Summary of Stock Options, Employee Stock SARs, and Employee Cash SARs Exercised	The following tables identify stock options, employee stock SARs, and employee cash SARs exercised during the periods ended December 31, 2016 and 2015: Twelve months ended December 31, 2016 Number Weighted Intrinsic Number of Net Cash Stock options 68,907 $ 14.85 $ 117 48,665 NA Employee stock SARs 103,818 $ 12.28 $ 40 9,131 NA Employee cash SARs 75,836 $ 11.81 NA NA $ 178 Twelve months ended December 31, 2015 Number Weighted Intrinsic Number of Net Cash Stock options 7,596 $ 11.44 $ 29 7,596 NA Employee stock SARs 49,600 $ 12.12 $ 94 6,250 NA Employee cash SARs 12,087 $ 12.95 NA NA $ 27
Summary of RSU Activity	The following table provides information regarding RSU activity during 2016, 2015 and 2014: For the Years Ended December 31, 2016 2015 2014 Restricted Weighted Restricted Weighted Restricted Weighted Balance, beginning of year 330,997 $ 12.23 306,532 $ 11.18 299,696 $ 9.79 Granted 130,151 16.66 157,195 13.00 127,051 13.21 Vested shares issued (80,051 ) 11.50 (75,373 ) 10.59 (58,518 ) 9.65 Vested shares forfeited for taxes (48,173 ) 11.50 (46,105 ) 10.59 (36,384 ) 9.65 Forfeited or expired (32,084 ) 13.70 (11,252 ) 12.33 (25,313 ) 10.67 Balance, end of year 300,840 $ 14.30 330,997 $ 12.23 306,532 $ 11.18
Stock-settled SARs activity [Member]
Summary of Information on Activity on SARs Settled	The following table summarizes information about activity of SARs settled in stock for the years ended December 31, 2016, 2015, and 2014: For the Years Ended December 31, 2016 2015 2014 Stock-settled Weighted Stock-settled Weighted Stock-settled Weighted Balance, beginning of year 239,267 $ 14.36 289,267 $ 13.97 337,759 $ 13.85 Exercised (103,818 ) 14.78 (49,600 ) 12.12 (26,155 ) 11.79 Forfeited or expired (9,641 ) 16.21 (400 ) 11.30 (22,337 ) 14.74 Balance, end of year 125,808 $ 13.87 239,267 $ 14.36 289,267 $ 13.97 Stock-settled SARs exercisable, end of year 125,808 $ 13.87 239,267 $ 14.36 289,267 $ 13.97
Cash-settled SARs [Member]
Summary of Information on Activity on SARs Settled	The following table summarizes information about activity of SARs settled in cash for the years ended December 31, 2016, 2015, and 2014: For the Years Ended December 31, 2016 2015 2014 Cash-settled Weighted Cash-settled Weighted Cash-settled Weighted Balance, beginning of year 142,527 $ 1,527.00 158,993 $ 15.10 186,992 $ 14.95 Exercised (75,836 ) 15.43 (12,087 ) 12.95 (11,012 ) 12.21 Forfeited or expired (296 ) 12.07 (4,379 ) 15.77 (16,987 ) 15.34 Balance, end of year 66,395 $ 14.94 142,527 $ 15.27 158,993 $ 15.10 Cash-settled SARs exercisable, end of year 66,395 $ 14.94 142,527 $ 15.27 158,993 $ 15.10

Accumulated Other Comprehensi51

Accumulated Other Comprehensive Income (Tables)	12 Months Ended
	Dec. 31, 2016
Equity [Abstract]
Summary of Changes in Accumulated Other Comprehensive Income (Loss)	The following table shows the changes in accumulated other comprehensive income (loss) by component for the years ended December 31, 2016, 2015 and 2014: Unrealized gains and losses Unrealized gains and losses Total Year ended December 31, 2016 Beginning balance $ 2,649 $ 50 $ 2,699 Other comprehensive (loss) income before (4,804 ) 191 (4,613 ) Amounts reclassified from accumulated other comprehensive income (215 ) (186 ) (401 ) Net current-period other comprehensive (loss) income (5,019 ) 5 (5,014 ) Ending balance $ (2,370 ) $ 55 $ (2,315 ) Year ended December 31, 2015 Beginning balance $ 3,695 $ 107 $ 3,802 Other comprehensive (loss) before reclassifications (649 ) (57 ) (706 ) Amounts reclassified from accumulated other comprehensive income (397 ) — (397 ) Net current-period other comprehensive (loss) (1,046 ) (57 ) (1,103 ) Ending balance $ 2,649 $ 50 $ 2,699 Year ended December 31, 2014 Beginning balance $ (148 ) $ 247 $ 99 Other comprehensive income (loss) before reclassifications 3,822 (140 ) 3,682 Amounts reclassified from accumulated other comprehensive income 21 — 21 Net current-period other comprehensive income (loss) 3,843 (140 ) 3,703 Ending balance $ 3,695 $ 107 $ 3,802

Transactions with Related Par52

Transactions with Related Parties (Tables)	12 Months Ended
	Dec. 31, 2016
Related Party Transactions [Abstract]
Schedule of Activities in Related Party Loans	Activity with respect to these loans during the years ended December 31, 2016, 2015 and 2014, was as follows: For the Years Ended December 31, 2016 2015 2014 Balance, beginning of year $ 25 $ 100 $ 100 Additions or renewals 25 35 — Amounts collected (50 ) (110 ) — Balance, end of year $ — $ 25 $ 100

Commitments and Contingencies (

Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Schedule of Off-Balance Sheet Instruments	Off-balance sheet instruments at December 31, 2016 and 2015 consist of the following: December 31, 2016 2015 Commitments to extend credit (principally variable rate) $ 408,860 $ 256,156 Letters of credit and financial guarantees written $ 2,425 $ 1,184

Fair Value (Tables)

Fair Value (Tables)	12 Months Ended
	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Estimated Fair Values of Financial Instruments	The estimated fair values of the financial instruments at December 31, 2016 and 2015, are as follows: December 31, 2016 2015 Carrying Fair Value Carrying Fair Value Financial assets: Cash and cash equivalents $ 67,113 $ 67,113 $ 36,675 $ 36,675 Securities available-for-sale 470,996 470,996 366,598 366,598 Loans 1,857,767 1,837,673 1,404,482 1,389,562 Accrued interest receivable 7,017 7,017 5,721 5,721 Federal Home Loan Bank stock 5,423 5,423 5,208 5,208 Bank-owned life insurance 35,165 35,165 22,884 22,884 Interest rate swaps 150 150 171 171 Financial liabilities: Deposits $ 2,148,103 $ 2,147,056 $ 1,597,093 $ 1,597,280 Federal Home Loan Bank borrowings 65,000 65,043 77,500 77,651 Subordinated debentures 34,096 32,140 — — Junior subordinated debentures 11,311 6,972 8,248 2,741 Accrued interest payable 176 176 138 138 Interest rate swaps 81 81 116 116
Fair Value Hierarchy for Assets and Liabilities Not Measured at Fair Value	The following table presents information about the level in the fair value hierarchy for the Company’s assets and liabilities not measured at fair value as of December 31, 2016, and 2015: Carrying Amount Fair Value at December 31, 2016 Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 67,113 $ 67,113 $ — $ — Loans 1,857,767 — — 1,837,673 Accrued interest receivable 7,017 7,017 — — Federal Home Loan Bank stock 5,423 5,423 — — Bank-owned life insurance 35,165 35,165 — — Interest rate swaps 150 150 — — Financial liabilities: Deposits $ 2,148,103 $ 1,969,220 $ 177,836 $ — Federal Home Loan Bank borrowings 65,000 — 65,043 — Subordinated debentures 34,096 — 32,140 Junior subordinated debentures 11,311 — 6,972 — Accrued interest payable 176 176 — — Interest rate swaps 81 81 — — Carrying Amount Fair Value at December 31, 2015 Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 36,675 $ 36,675 $ — $ — Loans 1,404,482 — — 1,389,562 Accrued interest receivable 5,721 5,721 — — Federal Home Loan Bank stock 5,208 5,208 — — Bank-owned life insurance 22,884 22,884 — — Swap derivative 171 171 — — Financial liabilities: Deposits $ 1,597,093 $ 1,458,490 $ 138,790 $ — Federal Home Loan Bank borrowings 77,500 — 77,651 — Junior subordinated debentures 8,248 — 2,741 — Accrued interest payable 138 138 — — Interest rate swaps 116 116 — —
Assets and Liabilities Measured at Fair Value on Recurring Basis	The tables below show assets/liabilities measured at fair value on a recurring basis as of December 31, 2016, and December 31, 2015: Carrying Fair Value Measurements Using December 31, 2016 Quoted (Level 1) Significant Significant Available-for-sale securities Obligations of U.S government agencies $ 25,620 $ — $ 25,620 $ — Obligation of states and political subdivisions 110,739 — 110,739 — Agency mortgage-backed securities 290,036 — 290,036 — Private-label mortgage-backed securities 1,937 — 569 1,368 SBA variable vate pools 42,664 — 42,664 — Interest rate swaps 69 69 — — Total assets measured on a recurring basis $ 471,065 $ 69 $ 469,628 $ 1,368 Carrying Fair Value Measurements Using December 31, 2015 Quoted (Level 1) Significant Significant Available-for-sale securities Obligations of U.S government agencies $ 44,623 $ — $ 44,623 $ — Obligation of states and political subdivisions 97,151 — 97,151 — Agency mortgage-backed securities 185,370 — 185,370 — Private-label mortgage-backed securities 2,790 — 1,204 1,586 SBA variable rate pools 35,771 — 35,771 — Corporate securities 893 — 893 Interest rate swaps 55 55 — — Total assets measured on a recurring basis $ 366,653 $ 55 $ 365,012 $ 1,586
Reconciliation of Assets Measured at Fair Value on Recurring Basis	The following table provides a reconciliation of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) for the periods ended December 31, 2016, 2015 and 2014: For the Years Ended December 31, 2016 2015 2014 Beginning balance $ 1,586 $ 1,568 $ 1,786 Transfers into Level 3 70 300 — Transfers out of Level 3 — — — Total gains or losses Included in earnings (21 ) — — Included in other comprehensive income 43 66 (106 ) Paydowns (310 ) (348 ) (112 ) Purchases, issuances, sales, and settlements Purchases — — — Issuances — — — Sales — — — Settlements — — — Ending balance $ 1,368 $ 1,586 $ 1,568
Assets Measured at Fair Value on Nonrecurring Basis	The tables below show assets measured at fair value on a nonrecurring basis as of December 31, 2016, and 2015: Fair Value Measurements Using December 31, 2016 Carrying Quoted Significant Significant Other real estate owned $ 10,936 $ — $ — $ 10,936 $ 10,936 $ — $ — $ 10,936 Fair Value Measurements Using December 31, 2015 Carrying Quoted Significant Significant Loans measured for impairment (net of guarantees and specific reserve) $ 53 $ — $ — $ 53 Other real estate owned 10,147 — — 10,147 $ 10,200 $ — $ — $ 10,200

Regulatory Matters (Tables)

Regulatory Matters (Tables)	12 Months Ended
	Dec. 31, 2016
Banking and Thrift [Abstract]
Schedule of Compliance with Regulatory Capital Requirements	The Company’s and the Bank’s actual capital amounts and ratios are presented in the table below: Actual For Capital Adequacy Purposes To Be Well Capitalized Under Prompt Corrective Action Provisions Amount Ratio Amount Ratio Amount Ratio As of December 31, 2016: Total capital (to risk weighted assets) Bank: $ 267,416 12.19 % $ 175,555 8.00 % $ 219,444 10.00 % Company: $ 278,444 12.69 % NA NA Tier 1 capital (to risk weighted assets) Bank: $ 244,414 11.14 % $ 131,666 6.00 % $ 175,555 8.00 % Company: $ 221,346 10.08 % NA NA Common Equity Tier 1 (to risk weighted assets) Bank: $ 244,414 11.14 % $ 98,750 4.50 % $ 142,638 6.50 % Company: $ 208,873 9.52 % NA NA Tier 1 capital (to leverage assets) Bank: $ 244,414 9.96 % $ 98,181 4.00 % $ 122,726 5.00 % Company: $ 221,346 9.01 % NA NA As of December 31, 2015: Total capital (to risk weighted assets) Bank: $ 200,236 12.52 % $ 127,990 8.00 % $ 159,988 10.00 % Company: $ 201,261 12.58 % NA NA Tier 1 capital (to risk weighted assets) Bank: $ 182,575 11.41 % $ 95,993 6.00 % $ 127,990 8.00 % Company: $ 183,600 11.47 % NA NA Common Equity Tier 1 (to risk weighted assets) Bank: $ 182,575 11.41 % $ 71,995 4.50 % $ 103,992 6.50 % Company: $ 175,600 10.97 % NA NA Tier 1 capital (to leverage assets) Bank: $ 182,575 9.88 % $ 73,938 4.00 % $ 92,422 5.00 % Company: $ 183,600 9.93 % NA NA

Parent Company Financial Info56

Parent Company Financial Information (Tables)	12 Months Ended
	Dec. 31, 2016
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Schedule of Parent Company Balance Sheet	Financial information for the Company is presented below: BALANCE SHEET December 31, 2016 2015 Assets: Cash deposited with the Bank $ 7,558 $ 678 Cash and due from banks 403 400 Goodwill 4,464 — Prepaid expenses 9 4 Equity in Trust 434 248 Swap unrealized gain 91 82 Investment in the Bank 306,304 225,416 $ 319,263 $ 226,828 Liabilities and shareholders’ equity: Liabilities $ 66 $ 57 Deferred tax liability 35 32 Subordinated debentures 34,096 — Junior subordinated debentures 11,311 8,248 Shareholders’ equity 273,755 218,491 $ 319,263 $ 226,828
Schedule of Parent Company Statement of Operations	STATEMENTS OF OPERATIONS For the Years Ended December 31, 2016 2015 2014 Income: Cash dividends from the Bank $ 4,400 $ 6,550 $ 16,211 Income from Trust Preferred 8 4 4 4,408 6,554 16,215 Expenses: Interest expense 1,422 226 225 Investor relations 103 132 84 Legal, registration expense, and other 230 98 132 Personnel costs paid to Bank 189 167 183 1,944 623 624 Income before income tax expense and equity in undistributed earnings from the Bank 2,464 5,931 15,591 Income tax benefit 200 139 140 Equity in undistributed earnings of the Bank 17,112 12,681 311 Net income $ 19,776 $ 18,751 $ 16,042
Schedule of Parent Company Statements of Cash Flows	STATEMENTS OF CASH FLOWS For the Years Ended December 31, 2016 2015 2014 Cash flows from operating activities: Net income $ 19,776 $ 18,751 $ 16,042 Adjustments to reconcile net income to net cash provided by operating activities: Equity in undistributed earnings from the Bank (17,112 ) (12,681 ) (311 ) Excess tax benefit of stock options exercised (43 ) (9 ) (14 ) Other, net (665 ) 652 525 Net cash provided by operating activities 1,956 6,713 16,242 Cash flows from investing activities: Capital Investment in the Bank (20,000 ) — — Net cash used by investing activities (20,000 ) — — Cash flows from financing activities: Proceeds from stock options exercised 691 86 189 Excess tax benefit of stock options exercised 43 9 14 Repurchase of common stock — — (3,600 ) Dividends paid (8,983 ) (8,042 ) (12,308 ) Vested SARS and RSUs surrendered by employees to cover tax consequences (896 ) (649 ) (517 ) Proceeds from subordinated debt issuance 34,072 — — Net cash provided by (used in) financing activities 24,927 (8,596 ) (16,222 ) Net change in cash 6,883 (1,883 ) 20 Cash, beginning of period 1,078 2,961 2,941 Cash, end of period $ 7,961 $ 1,078 $ 2,961

Selected Quarterly Financial 57

Selected Quarterly Financial Data (Unaudited) (Tables)	12 Months Ended
	Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]
Schedule of Quarterly Financial Information	Quarterly financial information for the years ended December 31, 2016 and 2015 is summarized as follows: First Quarter Second Quarter Third Quarter Fourth Quarter Year Ended 2016 Total interest income $ 19,953 $ 20,284 $ 22,662 $ 27,044 $ 89,943 Total interest expense 1,144 1,137 1,891 2,060 6,232 Net interset income 18,809 19,147 20,771 24,984 83,711 Provision for loan losses 245 1,950 1,380 1,875 5,450 Noninterest Income 1,807 1,747 1,919 2,344 7,817 Noninterest Expense 12,007 14,932 13,825 15,829 56,593 Income before income taxes 8,364 4,012 7,485 9,624 29,485 Provision for income taxes 2,905 1,406 2,634 2,764 9,709 Net income $ 5,459 $ 2,606 $ 4,851 $ 6,860 $ 19,776 Per common share Earnings (basic) (1) $ 0.28 $ 0.13 $ 0.24 $ 0.30 $ 0.96 Earnings (diluted) (1) $ 0.28 $ 0.13 $ 0.23 $ 0.30 $ 0.95 First Quarter Second Quarter Third Quarter Fourth Quarter Year Ended 2015 Total interest income $ 16,069 $ 18,840 $ 19,450 $ 19,877 $ 74,236 Total interest expense 1,095 1,144 1,142 1,055 4,436 Net interset income 14,974 17,696 18,308 18,822 69,800 Provision for loan losses — 550 625 520 1,695 Noninterest Income 1,276 1,627 1,714 2,008 6,625 Noninterest Expense 11,972 11,030 11,182 11,706 45,890 Income before income taxes 4,278 7,743 8,215 8,604 28,840 Provision for income taxes 1,475 2,648 2,890 3,076 10,089 Net income $ 2,803 $ 5,095 $ 5,325 $ 5,528 $ 18,751 Per common share Earnings (basic) (1) $ 0.15 $ 0.26 $ 0.27 $ 0.28 $ 0.97 Earnings (diluted) (1) $ 0.15 $ 0.26 $ 0.27 $ 0.28 $ 0.97 (1) Due to average share calculations, quarterly earnings per share may not total the amount reported for the full year

Summary of Significant Accoun58

Summary of Significant Accounting Policies - Additional Information (Detail)	Sep. 06, 2016USD ($)	Dec. 31, 2016USD ($)Branch_officeSegmentshares	Dec. 31, 2015USD ($)shares	Dec. 31, 2014USD ($)shares
Property, Plant and Equipment [Line Items]
Number of offices in Western Oregon and Western Washington | Branch_office		15
Number of offices loan production offices in Tacoma, Washington and Denver, Colorado | Branch_office		2
Junior subordinated debentures		$ 11,311,000	$ 8,248,000
Past due loans, nonaccrual period		90 days
Commercial overdrafts charge-off period		90 days
Reserve for unfunded loan commitments		$ 548,000	360,000
Impairment		21,000	22,000
Advertising expenses		$ 902,000	$ 718,000	$ 745,000
Weighted average shares of common stock were excluded from diluted earnings per share, anti-dilutive effect | shares		77,833	320,864	323,933
Number of operating segment | Segment		1
Junior Subordinated Debentures [Member]
Property, Plant and Equipment [Line Items]
Fair value of debentures		$ 11,311,000	$ 8,248,000
London Interbank Offered Rate (LIBOR) [Member]
Property, Plant and Equipment [Line Items]
Debentures, variable rate		1.35%
Foundation Bancorp Inc [Member]
Property, Plant and Equipment [Line Items]
Junior subordinated debentures	$ 3,013,000
Acquisition date		Sep. 6, 2016
Foundation Bancorp Inc [Member] | Junior Subordinated Debentures [Member]
Property, Plant and Equipment [Line Items]
Junior subordinated debentures	6,186,000
Debentures, interest rate terms		The interest rate on the these trust preferred securities is a floating rate of three-month LIBOR plus 173 basis points.
Fair value of debentures	3,013,000
Foundation Bancorp Inc [Member] | Trust Preferred Securities [Member]
Property, Plant and Equipment [Line Items]
Trust preferred securities, liquidation amount	$ 6,000,000
Foundation Bancorp Inc [Member] | London Interbank Offered Rate (LIBOR) [Member] | Junior Subordinated Debentures [Member]
Property, Plant and Equipment [Line Items]
Debentures, variable rate	1.73%
Other Assets [Member] | Pacific Continental Corporation Capital Trust [Member]
Property, Plant and Equipment [Line Items]
Investment in the Trust		$ 248,000	$ 248,000
Stock Options [Member]
Property, Plant and Equipment [Line Items]
Number of stock options granted under plan | shares		0	0
Stock Appreciation Rights (SARs) [Member]
Property, Plant and Equipment [Line Items]
Number of stock options granted under plan | shares		0	0
Federal Home Loan Bank Stock [Member]
Property, Plant and Equipment [Line Items]
Impairment		$ 0
Minimum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life		30 years
Minimum [Member] | Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life		3 years
Maximum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life		40 years
Maximum [Member] | Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life		10 years

Summary of Significant Accoun59

Summary of Significant Accounting Policies - Schedule of Weighted Average Shares Outstanding (Detail) - shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic	20,610,808	19,250,838	17,821,580
Common stock equivalents attributable to stock-based compensation plans	179,187	141,241	223,448
Diluted	20,789,995	19,392,079	18,045,028

Business Combinations - Additio

Business Combinations - Additional Information (Detail) $ / shares in Units, $ in Thousands	Sep. 06, 2016USD ($)$ / sharesshares	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)
Business Acquisition [Line Items]
Merger-related expense | $		$ 4,934	$ 1,836	$ 470
Foundation Bancorp Inc [Member]
Business Acquisition [Line Items]
Acquisition date		Sep. 6, 2016
Acquisition method resulted in the recognition of goodwill | $	$ 21,375
Merger-related expense | $		$ 4,934
Foundation Bancorp Inc [Member] | Merger Agreement [Member]
Business Acquisition [Line Items]
Business acquisition, common stock for each share exchanged	0.7911
Cash received by shareholders for business acquisition per share | $ / shares	$ 12.50
Acquisition consideration transferred, Cash transferred percentage	30.00%
Acquisition consideration transferred, Common stock transferred percentage	70.00%
Maximum aggregate cash consideration for acquisition | $	$ 19,337
Aggregate stock consideration to be issued for acquisition | shares	2,853,362
Cash received by shareholders on closing stock price per share | $ / shares	$ 16.75
Consideration received by all cash election shareholders in cash | $ / shares	$ 8.72
Consideration received by all cash election shareholders in shares	0.23915
Consideration received by mixed election shareholders in cash | $ / shares	$ 3.75
Consideration received by mixed election shareholders in shares	0.55377

Business Combinations - Summary

Business Combinations - Summary of Net Assets Acquired and Estimated Fair Value Adjustments (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 06, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair value adjustments:
Goodwill	$ 61,401		$ 39,255	$ 22,881	$ 22,881
Foundation Bancorp Inc [Member]
Business Acquisition [Line Items]
Cost basis net assets		$ 90,993
Stock issued		(47,794)
Fair value adjustments:
Loans, net		(11,257)
Core deposit intangible		5,762
Junior subordinated debentures		3,173
Deferred tax asset adjustment		(2,979)
Securities		1,673
Other		1,141
Goodwill		21,375
Foundation Bancorp Inc [Member] | Shareholders [Member]
Business Acquisition [Line Items]
Cash payment to shareholders		$ (19,337)

Business Combinations - Stateme

Business Combinations - Statement of Assets Acquired and Liabilities Assumed at Fair Values (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 06, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Cash and due from banks, net of consideration paid	$ 30,154		$ 23,819
Fair value adjustments
Goodwill	61,401		39,255	$ 22,881	$ 22,881
LIABILITIES AND SHAREHOLDERS EQUITY
Junior subordinated debentures	$ 11,311		$ 8,248
Foundation Bancorp Inc [Member]
ASSETS
Cash and due from banks, net of consideration paid		$ 43,855
Securities available-for-sale		88,464
Gross loans		281,790
Fair value adjustments
Credit quality-related		(8,884)
Interest rate-related		(2,373)
Net loans		270,533
Interest receivable		934
Federal Home Loan Bank stock		532
Property and equipment		408
Goodwill		21,375
Core deposit intangible		5,762
Deferred tax asset		3,925
Other real estate owned		1,219
Bank-owned life insurance		11,574
Other asset		1,465
Total assets		450,046
LIABILITIES AND SHAREHOLDERS EQUITY
Deposits		396,509
Other liabilities		2,730
Junior subordinated debentures		3,013
Total liabilities		402,252
Common stock issued to Foundation Bancorp shareholders		47,794
Total liabilities and shareholders' equity		$ 450,046

Business Combinations - Summa63

Business Combinations - Summary of Acquired Loans at Acquisition Date (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 06, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Contractually required principal payments	$ 22,941		$ 11,528	$ 2,753
Foundation Bancorp Inc [Member]
Business Acquisition [Line Items]
Contractually required principal payments	243,552	$ 281,790
Purchase adjustment for credit and interest rate	(8,787)	(11,257)
Balance of acquired loans	$ 234,765	$ 270,533

Cash and Cash Equivalents - Add

Cash and Cash Equivalents - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Apr. 22, 2013
Cash and Cash Equivalents [Line Items]
Reserves with Federal Reserve Bank	$ 33,561	$ 11,015
Cash held as collateral			$ 400
Interest Rate Swap Agreement [Member]
Cash and Cash Equivalents [Line Items]
Cash held as collateral	$ 655	$ 803

Securities Available-for-Sale -

Securities Available-for-Sale - Schedule of Amortized Cost, Gross Unrealized Gains, Gross Unrealized Losses and Estimated Fair Values of Securities Available-for-Sale (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 474,882	$ 362,258
Gross Unrealized Gains	3,320	5,604
Gross Unrealized Losses	(7,206)	(1,258)
Estimated Fair Value	$ 470,996	$ 366,598
Percentage of Portfolio	100.00%	100.23%
Unrealized Loss Positions [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 293,845	$ 140,857
Gross Unrealized Losses	(7,206)	(1,258)
Estimated Fair Value	$ 286,639	$ 139,599
Percentage of Portfolio	60.86%	38.41%
Unrealized Loss Positions [Member] | Obligations of U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 3,995	$ 14,491
Gross Unrealized Losses	(49)	(119)
Estimated Fair Value	$ 3,946	$ 14,372
Percentage of Portfolio	0.84%	3.93%
Unrealized Loss Positions [Member] | Obligations of States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 41,016	$ 13,438
Gross Unrealized Losses	(1,279)	(149)
Estimated Fair Value	$ 39,737	$ 13,289
Percentage of Portfolio	8.44%	3.63%
Unrealized Loss Positions [Member] | Private-Label Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 241	$ 663
Gross Unrealized Losses	(23)	(33)
Estimated Fair Value	$ 218	$ 630
Percentage of Portfolio	0.05%	0.17%
Unrealized Loss Positions [Member] | Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 221,835	$ 95,040
Gross Unrealized Losses	(5,362)	(856)
Estimated Fair Value	$ 216,473	$ 94,184
Percentage of Portfolio	45.96%	25.75%
Unrealized Loss Positions [Member] | SBA Pools [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 26,758	$ 17,225
Gross Unrealized Losses	(493)	(101)
Estimated Fair Value	$ 26,265	$ 17,124
Percentage of Portfolio	5.57%	4.68%
Unrealized Loss Positions [Member] | Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		$ 899
Gross Unrealized Losses		(5)
Estimated Fair Value		$ 893
Percentage of Portfolio		0.25%
Unrealized Gain Positions [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 181,037	$ 220,502
Gross Unrealized Gains	3,320	5,604
Estimated Fair Value	$ 184,357	$ 226,106
Percentage of Portfolio	39.14%	61.82%
Unrealized Gain Positions [Member] | Obligations of U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 21,290	$ 29,669
Gross Unrealized Gains	384	582
Estimated Fair Value	$ 21,674	$ 30,251
Percentage of Portfolio	4.60%	8.27%
Unrealized Gain Positions [Member] | Obligations of States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 69,148	$ 80,119
Gross Unrealized Gains	1,854	3,743
Estimated Fair Value	$ 71,002	$ 83,862
Percentage of Portfolio	15.07%	22.93%
Unrealized Gain Positions [Member] | Private-Label Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 1,566	$ 2,028
Gross Unrealized Gains	153	131
Estimated Fair Value	$ 1,719	$ 2,159
Percentage of Portfolio	0.36%	0.59%
Unrealized Gain Positions [Member] | Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 72,752	$ 90,126
Gross Unrealized Gains	811	1,060
Estimated Fair Value	$ 73,563	$ 91,186
Percentage of Portfolio	15.62%	24.93%
Unrealized Gain Positions [Member] | SBA Pools [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 16,281	$ 18,560
Gross Unrealized Gains	118	88
Estimated Fair Value	$ 16,399	$ 18,648
Percentage of Portfolio	3.48%	5.10%

Securities Available-for-Sale66

Securities Available-for-Sale - Schedule of Investment Securities in Continuous Unrealized Loss Position (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months	$ 277,480
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months	(7,052)
Securities in Continuous Unrealized Loss Positions for 12 Months or Longer	9,159
Gross Unrealized Loss on Securities in Loss Position for 12 Months or Longer	(154)
Unrealized Loss Positions [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months		$ 129,701
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months		(1,062)
Securities in Continuous Unrealized Loss Positions for 12 Months or Longer		10,791
Gross Unrealized Loss on Securities in Loss Position for 12 Months or Longer		(201)
Unrealized Loss Positions [Member] | Obligations of U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months	3,946	14,372
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months	(49)	(119)
Unrealized Loss Positions [Member] | Obligations of States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months	39,737	12,761
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months	(1,279)	(145)
Securities in Continuous Unrealized Loss Positions for 12 Months or Longer		528
Gross Unrealized Loss on Securities in Loss Position for 12 Months or Longer		(4)
Unrealized Loss Positions [Member] | Private-Label Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months		240
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months		(4)
Securities in Continuous Unrealized Loss Positions for 12 Months or Longer	218	390
Gross Unrealized Loss on Securities in Loss Position for 12 Months or Longer	(23)	(29)
Unrealized Loss Positions [Member] | Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months	211,721	87,896
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months	(5,266)	(711)
Securities in Continuous Unrealized Loss Positions for 12 Months or Longer	4,752	6,288
Gross Unrealized Loss on Securities in Loss Position for 12 Months or Longer	(96)	(145)
Unrealized Loss Positions [Member] | SBA Pools [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months	22,076	13,539
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months	(458)	(78)
Securities in Continuous Unrealized Loss Positions for 12 Months or Longer	4,189	3,585
Gross Unrealized Loss on Securities in Loss Position for 12 Months or Longer	$ (35)	(23)
Unrealized Loss Positions [Member] | Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities in Continuous Unrealized Loss Positions for less than 12 Months		893
Gross Unrealized Loss on Securities in Loss Position for Less than 12 Months		$ (5)

Securities Available - for -Sal

Securities Available - for -Sale - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016USD ($)SecuritiesPortfolios	Dec. 31, 2015USD ($)Securities	Dec. 31, 2014USD ($)Securities
Schedule of Available-for-sale Securities [Line Items]
Additional other-than-temporary impairment	$ 21	$ 22
Number of private-label mortgage-backed securities | Securities	5
Amortized Cost	$ 474,882	$ 362,258
Projected average life of securities portfolio	4 years 10 months 24 days
Projected average life of portfolio modified duration	4 years 4 months 24 days
Number of investment securities sold | Securities	58	61	72
Proceeds from sale of investment securities	$ 98,544	$ 52,371	$ 25,570
Gross gain from investment securities sold	552	922	318
Gross loss from investment securities sold	179	250	352
Net gain from investment securities sold	373	672	$ 34
Balance of repurchase agreement	1,966	71
Foundation Bancorp Inc [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross gain from investment securities sold	$ 54,450
Number of portfolio securities | Portfolios	2
Substandard [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 1,338	$ 1,506
Private-Label Mortgage-Backed Securities [Member] | Substandard [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of private-label mortgage-backed securities | Securities	9

Securities Available-for-Sale68

Securities Available-for-Sale - Schedule of Roll-Forward Amount of Credit-Related OTTI (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Investments, Debt and Equity Securities [Abstract]
Balance, beginning of period:	$ 249	$ 227	$ 227
OTTI credit loss recorded	21	22
OTTI reduction from sale or maturity	0	0	0
Balance, end of period:	$ 270	$ 249	$ 227

Securities Available-for-Sale69

Securities Available-for-Sale - Schedule of Amortized Cost and Fair Value of Securities Available-for-Sale (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 5,433	$ 14,455
Due after one year through 5 years, Amortized Cost	258,557	235,926
Due after 5 years through 10 years, Amortized Cost	193,063	109,017
Due after 10 years, Amortized Cost	17,829	2,860
Amortized Cost	474,882	362,258
Due in one year or less, Estimated Fair Value	5,442	14,513
Due after one year through 5 years, Estimated Fair Value	259,777	238,637
Due after 5 years through 10 years, Estimated Fair Value	189,049	110,539
Due after 10 years, Estimated Fair Value	16,728	2,909
Estimated Fair Value	$ 470,996	$ 366,598

Securities Available-for-Sale70

Securities Available-for-Sale - Schedule of Investment Securities Pledged to Secure Public Deposits and Repurchase Agreements (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 474,882	$ 362,258
Collateral Pledged [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	28,836	31,923
Estimated Fair Value	29,256	33,163
Collateral Pledged [Member] | Securities Pledged as Collateral [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	25,257	27,938
Estimated Fair Value	25,683	29,052
Collateral Pledged [Member] | Repurchase Accounts [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	3,579	3,985
Estimated Fair Value	$ 3,573	$ 4,111

Loans, Allowance for Loan Los71

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Summary of Loan Classifications (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 1,859,787	$ 1,406,012
Deferred loan origination fees	(2,020)	(1,530)
Gross loans, net of deferred income	1,857,767	1,404,482
Allowance for loan losses	(22,454)	(17,301)
Total loans, net of allowance for loan losses and net deferred fees	$ 1,835,313	$ 1,387,181
Percentage of gross loans	100.00%	100.00%
Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 630,491	$ 501,976
Percentage of gross loans	33.89%	35.70%
Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 9,225	$ 6,580
Percentage of gross loans	0.50%	0.47%
Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 1,049,338	$ 785,737
Real Estate Loans [Member] | Multi-Family Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	74,340	66,445
Real Estate Loans [Member] | Residential 1-4 Family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	61,548	53,776
Real Estate Loans [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	461,557	364,742
Real Estate Loans [Member] | Nonowner-Occupied Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	451,893	300,774
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	2,922	3,351
Allowance for loan losses	$ (41)	$ (46)
Percentage of gross loans	0.16%	0.24%
Real Estate Secured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 1,217,149	$ 894,105
Percentage of gross loans	65.45%	63.59%
Real Estate Secured Loans [Member] | Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 1,049,338	$ 785,737
Percentage of gross loans	56.43%	55.88%
Real Estate Secured Loans [Member] | Real Estate Loans [Member] | Multi-Family Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 74,340	$ 66,445
Percentage of gross loans	4.00%	4.73%
Real Estate Secured Loans [Member] | Real Estate Loans [Member] | Residential 1-4 Family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 61,548	$ 53,776
Percentage of gross loans	3.31%	3.82%
Real Estate Secured Loans [Member] | Real Estate Loans [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 461,557	$ 364,742
Percentage of gross loans	24.82%	25.94%
Real Estate Secured Loans [Member] | Real Estate Loans [Member] | Nonowner-Occupied Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 451,893	$ 300,774
Percentage of gross loans	24.30%	21.39%
Real Estate Secured Loans [Member] | Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 167,811	$ 108,368
Percentage of gross loans	9.02%	7.71%
Real Estate Secured Loans [Member] | Construction Loans [Member] | Multi-Family Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 22,252	$ 7,027
Percentage of gross loans	1.20%	0.50%
Real Estate Secured Loans [Member] | Construction Loans [Member] | Residential 1-4 Family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 43,532	$ 30,856
Percentage of gross loans	2.34%	2.19%
Real Estate Secured Loans [Member] | Construction Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 76,301	$ 42,680
Percentage of gross loans	4.10%	3.04%
Real Estate Secured Loans [Member] | Construction Loans [Member] | Commercial Bare Land and Acquisition & Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 15,081	$ 20,537
Percentage of gross loans	0.81%	1.46%
Real Estate Secured Loans [Member] | Construction Loans [Member] | Residential Bare Land and Acquisition & Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross loans	$ 10,645	$ 7,268
Percentage of gross loans	0.57%	0.52%

Loans, Allowance for Loan Los72

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Additional Information (Detail)	Dec. 31, 2016USD ($)RiskRating	Dec. 31, 2015USD ($)	Dec. 31, 2016USD ($)RiskRatingContract	Dec. 31, 2015USD ($)	Sep. 06, 2016USD ($)	Dec. 31, 2014USD ($)
Guarantor Obligations [Line Items]
Outstanding loans to dental professionals	$ 1,835,313,000	$ 1,387,181,000	$ 1,835,313,000	$ 1,387,181,000
Percentage of total outstanding loans	20.30%	24.19%	20.30%	24.19%
Percentage of total loan portfolio			10.00%
Percentage of loan portfolio collateralized by real estate	65.45%
Contractually required principal payments for purchased credit impaired loans	$ 22,941,000	$ 11,528,000	$ 22,941,000	$ 11,528,000		$ 2,753,000
Valuation allowance for impaired loans	736,000	175,000	736,000	175,000
Recorded investment in impaired loans, net of government guarantees	10,567,000	7,527,000	10,567,000	7,527,000
Interest income recognized in the period			0
Government guarantees	2,001,000	1,273,000	$ 2,001,000	1,273,000
Identified TDRs newly considered for impairment | Contract			10
Troubled debt restructurings, associated allowance	5,870,000		$ 5,870,000
Associated allowance for loan losses	11,000		11,000
Commitments to lend additional funds on loans restructured as TDRs	0	0	0	0
Foundation Bancorp Inc [Member]
Guarantor Obligations [Line Items]
Purchased credit impaired loans acquired at fair value					$ 19,510,000
Contractually required principal payments for purchased credit impaired loans	243,552,000		243,552,000		281,790,000
Contractually required principal payments for purchased credit impaired loans not expected to be collected.					$ 919,000
Troubled Debt Restructurings [Member]
Guarantor Obligations [Line Items]
Recorded investment in nonaccrual status	2,250,000	1,807,000	2,250,000	1,807,000
Allowance for Loan Losses [Member]
Guarantor Obligations [Line Items]
Valuation allowance for impaired loans	12,568,000	8,800,000	12,568,000	8,800,000
Dental Loan [Member]
Guarantor Obligations [Line Items]
Outstanding loans to dental professionals	$ 377,478,000	$ 340,162,000	$ 377,478,000	$ 340,162,000
Minimum [Member]
Guarantor Obligations [Line Items]
Internal risk rating | RiskRating	1		1
Maximum [Member]
Guarantor Obligations [Line Items]
Internal risk rating | RiskRating	10		10

Loans, Allowance for Loan Los73

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Summary of Acquired Loans at Acquisition Date (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Contractually required principal payments, net of charge offs	$ 22,941	$ 11,528	$ 2,753
Century Bank, Capital Pacific Bank and Foundation Bank [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Contractually required principal payments, net of charge offs	373,674	183,347	28,187
Purchase adjustment for credit and interest rate	(11,297)	(3,958)	(881)
Balance of acquired loans	$ 362,377	$ 179,389	$ 27,306

Loans, Allowance for Loan Los74

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Summary of Contractually Required Principal Balance of Purchased Credit Impaired Loans and Carrying Value (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Receivables [Abstract]
Contractually required principal payments for purchased credit impaired loans	$ 22,941	$ 11,528	$ 2,753
Accretable yield	(1,453)	(1,070)	(151)
Nonaccretable yield	(809)	(378)	(321)
Balance of purchased credit impaired loans	$ 20,679	$ 10,080	$ 2,281

Loans, Allowance for Loan Los75

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Summary of Changes in Accretable Yield for Purchased Credit Impaired Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Impaired Loans By Type [Line Items]
Balance, beginning of period	$ 1,070	$ 151
Additions	908	1,569
Accretion to interest income	(525)	(650)
Balance, end of period	1,453	1,070
Century [Member]
Impaired Loans By Type [Line Items]
Balance, beginning of period	40	151
Accretion to interest income	(40)	(111)
Balance, end of period		40
Capital Pacific Bank [Member]
Impaired Loans By Type [Line Items]
Balance, beginning of period	1,030
Additions		1,569
Accretion to interest income	(265)	(539)
Balance, end of period	765	$ 1,030
Foundation Bancorp Inc [Member]
Impaired Loans By Type [Line Items]
Additions	908
Accretion to interest income	(220)
Balance, end of period	$ 688

Loans, Allowance for Loan Los76

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Summary of Allowance for Credit Losses Activity by Loan Segment (Detail) - USD ($) $ in Thousands	3 Months Ended							12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period				$ 17,301				$ 17,301	$ 15,637	$ 15,917
Charge-offs								(725)	(700)	(835)
Recoveries								428	669	555
Provision (reclassification)	$ 1,875	$ 1,380	$ 1,950	245	$ 520	$ 625	$ 550	5,450	1,695
Balance, end of period	22,454				17,301			22,454	17,301	15,637
Ending allowance: collectively evaluated for impairment	21,718				17,126			21,718	17,126
Ending allowance: individually evaluated for impairment	736				175			736	175
Total ending allowance	22,454				17,301			22,454	17,301
Ending loan balance: collectively evaluated for impairment	1,826,540				1,387,132			1,826,540	1,387,132
Ending loan balance: individually evaluated for impairment	12,568				8,800			12,568	8,800
Total ending loan balance	1,859,787				1,406,012			1,859,787	1,406,012
Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Ending loan balance: loans acquired with deteriorated credit quality	20,679				10,080			20,679	10,080
Commercial and Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period				6,349				6,349	5,733	5,113
Charge-offs								(716)	(630)	(610)
Recoveries								207	562	348
Provision (reclassification)								2,774	684	882
Balance, end of period	8,614				6,349			8,614	6,349	5,733
Ending allowance: collectively evaluated for impairment	7,881				6,303			7,881	6,303
Ending allowance: individually evaluated for impairment	733				46			733	46
Total ending allowance	8,614				6,349			8,614	6,349
Ending loan balance: collectively evaluated for impairment	628,773				504,261			628,773	504,261
Ending loan balance: individually evaluated for impairment	4,396				2,627			4,396	2,627
Total ending loan balance	639,716				508,556			639,716	508,556
Commercial and Other [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Ending loan balance: loans acquired with deteriorated credit quality	6,547				1,668			6,547	1,668
Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period				8,297				8,297	7,494	7,668
Charge-offs									(61)	(58)
Recoveries								55	76	186
Provision (reclassification)								2,520	788	(302)
Balance, end of period	10,872				8,297			10,872	8,297	7,494
Ending allowance: collectively evaluated for impairment	10,869				8,267			10,869	8,267
Ending allowance: individually evaluated for impairment	3				30			3	30
Total ending allowance	10,872				8,297			10,872	8,297
Ending loan balance: collectively evaluated for impairment	1,027,354				771,915			1,027,354	771,915
Ending loan balance: individually evaluated for impairment	7,852				5,782			7,852	5,782
Total ending loan balance	1,049,338				785,737			1,049,338	785,737
Real Estate [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Ending loan balance: loans acquired with deteriorated credit quality	14,132				8,040			14,132	8,040
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period				1,258				1,258	1,077	1,493
Charge-offs										(155)
Recoveries								163	16	16
Provision (reclassification)								360	165	(277)
Balance, end of period	1,781				1,258			1,781	1,258	1,077
Ending allowance: collectively evaluated for impairment	1,781				1,159			1,781	1,159
Ending allowance: individually evaluated for impairment					99				99
Total ending allowance	1,781				1,258			1,781	1,258
Ending loan balance: collectively evaluated for impairment	167,491				107,605			167,491	107,605
Ending loan balance: individually evaluated for impairment	320				391			320	391
Total ending loan balance	167,811				108,368			167,811	108,368
Construction [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Ending loan balance: loans acquired with deteriorated credit quality					372				372
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period				46				46	54	68
Charge-offs								(9)	(9)	(12)
Recoveries								3	15	5
Provision (reclassification)								1	(14)	(7)
Balance, end of period	41				46			41	46	54
Ending allowance: collectively evaluated for impairment	41				46			41	46
Total ending allowance	41				46			41	46
Ending loan balance: collectively evaluated for impairment	2,922				3,351			2,922	3,351
Total ending loan balance	2,922				3,351			2,922	3,351
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period				$ 1,351				1,351	1,279	1,575
Provision (reclassification)								(205)	72	(296)
Balance, end of period	1,146				1,351			1,146	1,351	$ 1,279
Ending allowance: collectively evaluated for impairment	1,146				1,351			1,146	1,351
Total ending allowance	$ 1,146				$ 1,351			$ 1,146	$ 1,351

Loans, Allowance for Loan Los77

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Credit Quality Indicators (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Percentage of total portfolio	100.00%	100.00%
Loan Grade	$ 1,859,787	$ 1,406,012
Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	1,049,338	785,737
Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	167,811	108,368
Commercial and Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	639,716	508,556
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	2,922	3,351
Multi-Family Residential [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	74,340	66,445
Multi-Family Residential [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	22,252	7,027
Residential 1-4 Family [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	61,548	53,776
Residential 1-4 Family [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	43,532	30,856
Owner-Occupied Commercial [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	461,557	364,742
Nonowner-Occupied Commercial [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	451,893	300,774
Commercial Real Estate [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	76,301	42,680
Commercial Bare Land and Acquisition & Development [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	15,081	20,537
Residential Bare Land and Acquisition & Development [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	$ 10,645	$ 7,268
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Percentage of total portfolio	97.47%	97.32%
Loan Grade	$ 1,812,751	$ 1,368,323
Pass [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	1,021,646	765,062
Pass [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	167,018	105,644
Pass [Member] | Commercial and Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	621,165	494,267
Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	2,922	3,350
Pass [Member] | Multi-Family Residential [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	74,340	66,208
Pass [Member] | Multi-Family Residential [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	22,252	7,027
Pass [Member] | Residential 1-4 Family [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	58,286	49,077
Pass [Member] | Residential 1-4 Family [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	43,532	30,803
Pass [Member] | Owner-Occupied Commercial [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	443,737	353,249
Pass [Member] | Nonowner-Occupied Commercial [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	445,283	296,528
Pass [Member] | Commercial Real Estate [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	76,301	42,580
Pass [Member] | Commercial Bare Land and Acquisition & Development [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	15,081	20,265
Pass [Member] | Residential Bare Land and Acquisition & Development [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	$ 9,852	$ 4,969
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Percentage of total portfolio	0.00%	0.00%
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Percentage of total portfolio	2.44%	2.68%
Loan Grade	$ 45,375	$ 37,689
Substandard [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	27,692	20,675
Substandard [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	793	2,724
Substandard [Member] | Commercial and Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	16,890	14,289
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade		1
Substandard [Member] | Multi-Family Residential [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade		237
Substandard [Member] | Residential 1-4 Family [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	3,262	4,699
Substandard [Member] | Residential 1-4 Family [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade		53
Substandard [Member] | Owner-Occupied Commercial [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	17,820	11,493
Substandard [Member] | Nonowner-Occupied Commercial [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	6,610	4,246
Substandard [Member] | Commercial Real Estate [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade		100
Substandard [Member] | Commercial Bare Land and Acquisition & Development [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade		272
Substandard [Member] | Residential Bare Land and Acquisition & Development [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	$ 793	$ 2,299
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Percentage of total portfolio	0.09%	0.00%
Loan Grade	$ 1,661
Doubtful [Member] | Commercial and Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loan Grade	$ 1,661

Loans, Allowance for Loan Los78

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Aged Analysis of Dental Loans Receivable (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	$ 1,859,787	$ 1,406,012
Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	1,049,338	785,737
Real Estate Loans [Member] | Multi-Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	74,340	66,445
Real Estate Loans [Member] | Residential 1-4 Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	61,548	53,776
Real Estate Loans [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	461,557	364,742
Real Estate Loans [Member] | Nonowner-Occupied Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	451,893	300,774
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	167,811	108,368
Construction [Member] | Multi-Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	22,252	7,027
Construction [Member] | Residential 1-4 Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	43,532	30,856
Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	76,301	42,680
Construction [Member] | Commercial Bare Land and Acquisition & Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	15,081	20,537
Construction [Member] | Residential Bare Land and Acquisition & Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	10,645	7,268
Commercial and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	639,716	508,556
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total ending loan balance	$ 2,922	$ 3,351
Age Analysis of Loans Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual, Percentage of total portfolio	0.19%	0.19%
Total Past Due and Nonaccrual, Percentage of total portfolio	0.23%	0.23%
Total Current, Percentage of total portfolio	99.77%	99.77%
Total Loans Receivable, Percentage of total portfolio	100.00%	100.00%
Nonaccrual	$ 3,553	$ 2,672
Total Past Due and Nonaccrual	4,282	3,156
Total Current	1,834,826	1,392,776
Total ending loan balance	1,839,108	1,395,932
Age Analysis of Loans Receivable [Member] | Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	759	1,124
Total Past Due and Nonaccrual	759	1,124
Total Current	1,034,447	776,573
Total ending loan balance	1,035,206	777,697
Age Analysis of Loans Receivable [Member] | Real Estate Loans [Member] | Multi-Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Current	74,340	66,445
Total ending loan balance	74,340	66,445
Age Analysis of Loans Receivable [Member] | Real Estate Loans [Member] | Residential 1-4 Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	158	374
Total Past Due and Nonaccrual	158	374
Total Current	59,241	51,578
Total ending loan balance	59,399	51,952
Age Analysis of Loans Receivable [Member] | Real Estate Loans [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Current	452,748	359,065
Total ending loan balance	452,748	359,065
Age Analysis of Loans Receivable [Member] | Real Estate Loans [Member] | Nonowner-Occupied Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	601	750
Total Past Due and Nonaccrual	601	750
Total Current	448,118	299,485
Total ending loan balance	448,719	300,235
Age Analysis of Loans Receivable [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual		53
Total Past Due and Nonaccrual		533
Total Current	167,811	107,463
Total ending loan balance	167,811	107,996
Age Analysis of Loans Receivable [Member] | Construction [Member] | Multi-Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Current	22,252	7,027
Total ending loan balance	22,252	7,027
Age Analysis of Loans Receivable [Member] | Construction [Member] | Residential 1-4 Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual		53
Total Past Due and Nonaccrual		533
Total Current	43,532	30,323
Total ending loan balance	43,532	30,856
Age Analysis of Loans Receivable [Member] | Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Current	76,301	42,580
Total ending loan balance	76,301	42,580
Age Analysis of Loans Receivable [Member] | Construction [Member] | Commercial Bare Land and Acquisition & Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Current	15,081	20,265
Total ending loan balance	15,081	20,265
Age Analysis of Loans Receivable [Member] | Construction [Member] | Residential Bare Land and Acquisition & Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Current	10,645	7,268
Total ending loan balance	10,645	7,268
Age Analysis of Loans Receivable [Member] | Commercial and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	2,794	1,495
Total Past Due and Nonaccrual	3,523	1,495
Total Current	629,646	505,393
Total ending loan balance	633,169	506,888
Age Analysis of Loans Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due and Nonaccrual		4
Total Current	2,922	3,347
Total ending loan balance	$ 2,922	$ 3,351
30 to 59 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Still Accruing, Percentage of total portfolio	0.02%	0.03%
Past Due Loans Still Accruing	$ 363	$ 481
30 to 59 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member] | Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Loans Still Accruing		480
30 to 59 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member] | Construction [Member] | Residential 1-4 Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Loans Still Accruing		480
30 to 59 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member] | Commercial and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Loans Still Accruing	$ 363
30 to 59 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Loans Still Accruing		$ 1
60 to 89 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Still Accruing, Percentage of total portfolio	0.02%	0.00%
Past Due Loans Still Accruing	$ 366	$ 3
60 to 89 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member] | Commercial and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Loans Still Accruing	$ 366
60 to 89 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Loans Still Accruing		$ 3
Grater Than 90 Days Past Due Still Accruing [Member] | Age Analysis of Loans Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Still Accruing, Percentage of total portfolio	0.00%	0.00%

Loans, Allowance for Loan Los79

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Analysis of Impaired Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	$ 9,262	$ 7,593
Recorded Investment With Specific Allowance Valuation	3,306	1,207
Total Recorded Investment	12,568	8,800
Unpaid Principal Balance	13,022	9,501
Average Recorded Investment	9,787	7,121
Related Specific Allowance Valuation	736	175
Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	6,687	5,449
Recorded Investment With Specific Allowance Valuation	1,165	333
Total Recorded Investment	7,852	5,782
Unpaid Principal Balance	7,935	6,073
Average Recorded Investment	4,676	4,338
Related Specific Allowance Valuation	3	30
Real Estate [Member] | Residential 1-4 Family [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	454	374
Recorded Investment With Specific Allowance Valuation	300	308
Total Recorded Investment	754	682
Unpaid Principal Balance	775	911
Average Recorded Investment	644	766
Related Specific Allowance Valuation	1	5
Real Estate [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	4,106	2,788
Recorded Investment With Specific Allowance Valuation	865
Total Recorded Investment	4,971	2,788
Unpaid Principal Balance	4,971	2,788
Average Recorded Investment	1,804	1,177
Related Specific Allowance Valuation	2
Real Estate [Member] | Nonowner-Occupied Commercial [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	2,127	2,287
Recorded Investment With Specific Allowance Valuation		25
Total Recorded Investment	2,127	2,312
Unpaid Principal Balance	2,189	2,374
Average Recorded Investment	2,228	2,395
Related Specific Allowance Valuation		25
Construction [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	320	53
Recorded Investment With Specific Allowance Valuation		338
Total Recorded Investment	320	391
Unpaid Principal Balance	320	410
Average Recorded Investment	1,593	379
Related Specific Allowance Valuation		99
Construction [Member] | Residential 1-4 Family [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation		53
Total Recorded Investment		53
Unpaid Principal Balance		72
Average Recorded Investment	37	32
Construction [Member] | Residential Bare Land and Acquisition & Development [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	320
Recorded Investment With Specific Allowance Valuation		338
Total Recorded Investment	320	338
Unpaid Principal Balance	320	338
Average Recorded Investment	1,556	347
Related Specific Allowance Valuation		99
Commercial and Other [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment With No Specific Allowance Valuation	2,255	2,091
Recorded Investment With Specific Allowance Valuation	2,141	536
Total Recorded Investment	4,396	2,627
Unpaid Principal Balance	4,767	3,018
Average Recorded Investment	3,518	2,404
Related Specific Allowance Valuation	$ 733	$ 46

Loans, Allowance for Loan Los80

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Schedule of Troubled Debt Restructurings by Class (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016USD ($)Contract	Dec. 31, 2015USD ($)Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	30	27
Outstanding Recorded Investment | $	$ 11,229	$ 7,952
Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	14	16
Outstanding Recorded Investment | $	$ 8,328	$ 5,782
Real Estate [Member] | Residential 1-4 Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	4	6
Outstanding Recorded Investment | $	$ 754	$ 682
Real Estate [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	4	3
Outstanding Recorded Investment | $	$ 5,447	$ 2,788
Real Estate [Member] | Nonowner-Occupied Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	6	7
Outstanding Recorded Investment | $	$ 2,127	$ 2,312
Commercial and Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	16	11
Outstanding Recorded Investment | $	$ 2,901	$ 2,170

Loans, Allowance for Loan Los81

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Schedule of Restructured Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Modifications [Line Items]
Combination Modification	$ 11,229	$ 7,952
Rate Modification [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification		297
Term Modification [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification		1,780
Interest-only Modification [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	4,923
Combination Modification[Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	947
Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	8,328	5,782
Real Estate [Member] | Residential 1-4 Family [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	754	682
Real Estate [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	5,447	2,788
Real Estate [Member] | Term Modification [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification		1,780
Real Estate [Member] | Term Modification [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification		1,780
Real Estate [Member] | Interest-only Modification [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	4,478
Real Estate [Member] | Interest-only Modification [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	4,478
Real Estate [Member] | Combination Modification[Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	296
Real Estate [Member] | Combination Modification[Member] | Residential 1-4 Family [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	296
Commercial and Other [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	2,901	2,170
Commercial and Other [Member] | Rate Modification [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification		$ 297
Commercial and Other [Member] | Interest-only Modification [Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	445
Commercial and Other [Member] | Combination Modification[Member]
Financing Receivable, Modifications [Line Items]
Combination Modification	$ 651

Loans, Allowance for Loan Los82

Loans, Allowance for Loan Losses, and Credit Quality Indicators - Schedule of Troubled Debt Restructurings that Subsequently Defaulted (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016USD ($)Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	1
Recorded Investment | $	$ 475
Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	1
Recorded Investment | $	$ 475
Real Estate [Member] | Owner-Occupied Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	1
Recorded Investment | $	$ 475

Dental Loan Portfolio - Additio

Dental Loan Portfolio - Additional Information (Detail) $ in Thousands	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2016USD ($)State	Dec. 31, 2015USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable	$ 1,835,313	$ 1,387,181	$ 1,835,313	$ 1,387,181
Percentage of total outstanding loans	20.30%	24.19%	20.30%	24.19%
Government guarantees	$ 5,641	$ 9,027	$ 5,641	$ 9,027
Percentage of outstanding dental loan			1.49%	2.65%
Number of national loan states | State			44
Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable	$ 377,478	$ 340,162	$ 377,478	$ 340,162

Dental Loan Portfolio - Major C

Dental Loan Portfolio - Major Classifications of Dental Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	$ 1,835,313	$ 1,387,181
Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	377,478	340,162
Residential Portfolio Segment [Member] | Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	68,708	62,677
Residential Portfolio Segment [Member] | Dental Loan [Member] | Other Dental Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	806	2,198
Residential Portfolio Segment [Member] | Dental Loan [Member] | Owner-Occupied Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	63,793	56,145
Residential Portfolio Segment [Member] | Dental Loan [Member] | Dental Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	4,109	4,334
Real Estate Loans [Member] | Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	64,599	58,343
Commercial and Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable		340,162
Commercial and Other [Member] | Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	$ 308,770	$ 277,485

Dental Loan Portfolio - Dental

Dental Loan Portfolio - Dental Loan Total by Market (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable	$ 1,835,313	$ 1,387,181
Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable	377,478	340,162
Commercial and Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable		340,162
Commercial and Other [Member] | Local [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable		145,817
Commercial and Other [Member] | National [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable		194,345
Commercial and Other [Member] | Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable	308,770	277,485
Commercial and Other [Member] | Dental Loan [Member] | Local [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable	150,268	145,817
Commercial and Other [Member] | Dental Loan [Member] | National [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable	$ 227,210	$ 194,345

Dental Loan Portfolio - Denta86

Dental Loan Portfolio - Dental Portfolio Allowance Activity (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	$ 17,301	$ 15,637	$ 15,917
Charge-offs	(725)	(700)	(835)
Recoveries	428	669	555
Balance, end of period	22,454	17,301	15,637
Dental Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, beginning of period	4,022	4,141	3,730
Provision (reclassification)	636	(71)	918
Charge-offs	(9)	(78)	(631)
Recoveries	64	30	124
Balance, end of period	$ 4,713	$ 4,022	$ 4,141

Dental Loan Portfolio - Credit

Dental Loan Portfolio - Credit Quality Indicators (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	$ 1,835,313	$ 1,387,181
Dental Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	377,478	340,162
Commercial and Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable		340,162
Commercial and Other [Member] | Local [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable		145,817
Commercial and Other [Member] | National [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable		194,345
Commercial and Other [Member] | Dental Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	308,770	277,485
Commercial and Other [Member] | Dental Loan [Member] | Local [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	150,268	145,817
Commercial and Other [Member] | Dental Loan [Member] | National [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	227,210	194,345
Commercial and Other [Member] | Pass [Member] | Dental Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	373,298	335,115
Commercial and Other [Member] | Pass [Member] | Dental Loan [Member] | Local [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	148,805	143,541
Commercial and Other [Member] | Pass [Member] | Dental Loan [Member] | National [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	224,493	191,574
Commercial and Other [Member] | Substandard [Member] | Dental Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	2,519	5,047
Commercial and Other [Member] | Substandard [Member] | Dental Loan [Member] | Local [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	1,463	2,276
Commercial and Other [Member] | Substandard [Member] | Dental Loan [Member] | National [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	1,056	$ 2,771
Commercial and Other [Member] | Doubtful [Member] | Dental Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	1,661
Commercial and Other [Member] | Doubtful [Member] | Dental Loan [Member] | National [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	$ 1,661

Dental Loan Portfolio - Aged An

Dental Loan Portfolio - Aged Analysis of Dental Loans Receivable (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net loans	$ 1,835,313	$ 1,387,181
Commercial and Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Greater Than 90 Days Still Accruing		0
Nonaccrual		513
Total Past Due and Nonaccrual		513
Total Current		339,649
Net loans		340,162
Commercial and Other [Member] | Local [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Greater Than 90 Days Still Accruing		0
Nonaccrual		513
Total Past Due and Nonaccrual		513
Total Current		145,304
Net loans		145,817
Commercial and Other [Member] | National [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Greater Than 90 Days Still Accruing		0
Total Current		194,345
Net loans		194,345
Dental Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net loans	377,478	340,162
Dental Loan [Member] | Commercial and Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due Still Accruing	263
60-89 Days Past Due Still Accruing	366
Greater Than 90 Days Still Accruing	0
Nonaccrual	2,067
Total Past Due and Nonaccrual	2,696
Total Current	374,782
Net loans	308,770	277,485
Dental Loan [Member] | Commercial and Other [Member] | Local [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Greater Than 90 Days Still Accruing	0
Nonaccrual	407
Total Past Due and Nonaccrual	407
Total Current	149,861
Net loans	150,268	145,817
Dental Loan [Member] | Commercial and Other [Member] | National [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due Still Accruing	263
60-89 Days Past Due Still Accruing	366
Greater Than 90 Days Still Accruing	0
Nonaccrual	1,660
Total Past Due and Nonaccrual	2,289
Total Current	224,921
Net loans	$ 227,210	$ 194,345

Loan Participations and Servi89

Loan Participations and Servicing - Amounts of Loans Participated (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Receivables [Abstract]
Total principal amount outstanding	$ 61,130	$ 74,018
less: principal amount derecognized	(28,467)	(37,211)
Principal amount included in gross loans on the balance sheet	$ 32,663	$ 36,807

Property and Equipment - Schedu

Property and Equipment - Schedule of Property and Equipment Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 40,968	$ 37,385
less: accumulated depreciation & amortization	(20,760)	(19,371)
Net property and equipment	20,208	18,014
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,831	3,831
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	20,343	19,244
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 16,794	$ 14,310

Property and Equipment - Additi

Property and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 1,389	$ 1,531	$ 1,491
Operating lease agreements expiring date	2,031
Rent expense related to leases	$ 1,695	$ 1,542	$ 1,324
Percentage of property leased	26.00%
Springfield [Member]
Property, Plant and Equipment [Line Items]
Operating lease agreements expiring date	2,021

Property and Equipment - Summar

Property and Equipment - Summary of Future Minimum Payments Required and Anticipated Lease Revenues (Detail) $ in Thousands	Dec. 31, 2016USD ($)
Leases [Abstract]
Lease Commitments, 2017	$ 1,755
Lease Commitments, 2018	1,650
Lease Commitments, 2019	1,540
Lease Commitments, 2020	1,127
Lease Commitments, 2021	851
Lease Commitments, Thereafter	4,079
Lease Commitments, Total	11,002
Property Leased to Others, 2017	250
Property Leased to Others, 2018	254
Property Leased to Others, 2019	258
Property Leased to Others, 2020	228
Property Leased to Others, 2021	172
Property Leased to Others, Thereafter	0
Property Leased to Others, Total	$ 1,162

Goodwill and Intangible Asset93

Goodwill and Intangible Assets - Summary of Changes in Goodwill and Core Deposit Intangible Asset (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill And Intangible Assets [Line Items]
Goodwill, Beginning Balance	$ 39,255	$ 22,881	$ 22,881
Goodwill, Amortization	0	0	0
Goodwill, Ending Balance	61,401	39,255	22,881
Total, Beginning Balance	43,159	23,495	23,616
Intangible assets, Amortization	(685)	(431)	(121)
Total, Ending Balance	70,382	43,159	23,495
Capital Pacific Bancorp [Member]
Goodwill And Intangible Assets [Line Items]
Increase due to acquisition	771	16,374
Total, Increase due to acquisition	771	20,095
Foundation Bancorp Inc [Member]
Goodwill And Intangible Assets [Line Items]
Increase due to acquisition	21,375
Total, Increase due to acquisition	27,137
Core Deposits [Member]
Goodwill And Intangible Assets [Line Items]
Intangible assets, Beginning Balance	3,904	614	735
Intangible assets, Amortization	(685)	(431)	(121)
Intangible assets, Ending Balance	8,981	3,904	$ 614
Core Deposits [Member] | Capital Pacific Bancorp [Member]
Goodwill And Intangible Assets [Line Items]
Increase due to acquisition		$ 3,721
Core Deposits [Member] | Foundation Bancorp Inc [Member]
Goodwill And Intangible Assets [Line Items]
Increase due to acquisition	$ 5,762

Goodwill and Intangible Asset94

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Sep. 06, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill	$ 61,401		$ 39,255	$ 22,881	$ 22,881
Northwest Business Financial Corporation [Member]
Business Acquisition [Line Items]
Goodwill	$ 61,401
Century Bank [Member]
Business Acquisition [Line Items]
Amortization of core deposit intangibles	7 years
Capital Pacific Bank [Member]
Business Acquisition [Line Items]
Amortization of core deposit intangibles	10 years
Foundation Bancorp Inc [Member]
Business Acquisition [Line Items]
Goodwill		$ 21,375
Amortization of core deposit intangibles	10 years

Goodwill and Intangible Asset95

Goodwill and Intangible Assets - Summary of Estimated Amortization Expense (Detail) - Century Bank, Capital Pacific Bank and Foundation Bank [Member] $ in Thousands	Dec. 31, 2016USD ($)
Schedule Of Goodwill And Other Intangible Asset [Line Items]
2,017	$ 1,069
2,018	1,069
2,019	1,069
2,020	958
2,021	948
Thereafter	3,868
Total	$ 8,981

Deposits - Scheduled Maturities

Deposits - Scheduled Maturities or Repricing of Time Deposits (Detail) $ in Thousands	Dec. 31, 2016USD ($)
Time Deposits [Line Items]
2,017	$ 87,701
2,018	25,640
2,019	28,049
2,020	17,286
2,021	7,842
Thereafter	12,365
Total maturities or repricing of time deposits	$ 178,883

Deposits - Additional Informati

Deposits - Additional Information (Detail) $ in Thousands	Dec. 31, 2016USD ($)
Time Deposits [Line Items]
Time deposits with balances of $250 or greater	$ 63,370

Securities Sold Under Agreeme98

Securities Sold Under Agreement to Repurchase - Schedule of Information Regarding Securities Sold Under Agreements Repurchase (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Disclosure of Repurchase Agreements [Abstract]
Securities sold under agreements to repurchase	$ 1,966,000	$ 71,000
Average Balance outstanding for the period	702,000	183,000
Maximum amount outstanding at any month end during the period	$ 2,107,000	$ 618,000
Weighted average interest rate for the period	0.06%	0.00%
weighted average interest rate at period end	0.08%	0.00%

Federal Funds and Overnight F99

Federal Funds and Overnight Funds Purchased - Additional Information (Detail) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Federal Home Loan Banks [Abstract]
Unsecured federal funds borrowing lines	$ 154,000,000	$ 129,000,000
Unsecured federal funds borrowing lines outstanding	0	0
Secured overnight borrowing line from Federal Reserve Bank	80,784,000	76,912,000
Commercial loans pledged for Federal Reserve Bank borrowing line	143,679,000
Outstanding borrowings	$ 0	$ 0

Federal Home Loan Bank Borro100

Federal Home Loan Bank Borrowings - Additional Information (Detail) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Banking and Thrift [Abstract]
Percentage of federal home loan bank borrowings	35.00%
FHLB maximum borrowing line	$ 889,503,000	$ 657,086,000
Pledged real estate loans and securities	867,596,000
Discounted value on pledged real estate loans and securities	632,202,000	414,044,000
Federal Home Loan Bank borrowings	$ 65,000,000	$ 77,500,000

Federal Home Loan Bank Borro101

Federal Home Loan Bank Borrowings - Summary of Outstanding FHLB Borrowings by Maturity and Applicable Interest Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank borrowings	$ 65,000	$ 77,500
Cash Management Advance [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Current Rates	0.70%
Federal Home Loan Bank borrowings	$ 57,000
2017 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB borrowings, maturity date	2,017
Current Rates	2.28%
Federal Home Loan Bank borrowings	$ 3,000
2018 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB borrowings, maturity date	2,018
Current Rates	1.55%
Federal Home Loan Bank borrowings	$ 3,000
2019 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB borrowings, maturity date	2,019
2020 [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB borrowings, maturity date	2,020
Thereafter [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Current Rates	3.85%
Federal Home Loan Bank borrowings	$ 2,000

Borrowed Funds - Additional Inf

Borrowed Funds - Additional Information (Detail) - USD ($) $ in Thousands	Sep. 06, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2016
Debt Instrument [Line Items]
Debentures, maturity date		Jan. 7, 2036
Debenture interest accrued and paid		6.265%
Junior subordinated debentures		$ 11,311	$ 8,248
Stated liquidation value of Trust Preferred Securities		$ 1
Variable rate of securities		LIBOR plus 135 basis points
Interest expense		$ 279	226	$ 225
Subordinated Debentures [Member]
Debt Instrument [Line Items]
Fair value of debentures		$ 34,096
Subordinated Debentures [Member] | Public Offering [Member]
Debt Instrument [Line Items]
Debentures, principal amount					$ 35,000
Debentures, callable description		The Notes are callable at par after five years.
Debentures, maturity date		Sep. 30, 2026
Debenture interest accrued and paid		5.875%
Debentures, interest rate terms		Bear interest at a fixed annual rate of 5.875% per year, from and including June 27, 2016, but excluding September 30, 2021. From and including September 30, 2021 to the maturity date or early redemption date, the interest rate will reset quarterly to an annual interest rate equal to the then-current three-month LIBOR plus 471.5 basis points.
Junior Subordinated Debentures [Member]
Debt Instrument [Line Items]
Fair value of debentures		$ 11,311	$ 8,248
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Variable rate of securities		1.35%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debentures [Member] | Public Offering [Member]
Debt Instrument [Line Items]
Variable rate of securities		4.715%
Foundation Bancorp Inc [Member]
Debt Instrument [Line Items]
Junior subordinated debentures	$ 3,013
Interest expense		$ 50
Acquisition date		Sep. 6, 2016
Foundation Bancorp Inc [Member] | Junior Subordinated Debentures [Member]
Debt Instrument [Line Items]
Debentures, interest rate terms		The interest rate on the these trust preferred securities is a floating rate of three-month LIBOR plus 173 basis points.
Junior subordinated debentures	6,186
Fair value of debentures	3,013
Foundation Bancorp Inc [Member] | Trust Preferred Securities [Member]
Debt Instrument [Line Items]
Trust preferred securities, liquidation amount	$ 6,000
Foundation Bancorp Inc [Member] | London Interbank Offered Rate (LIBOR) [Member] | Junior Subordinated Debentures [Member]
Debt Instrument [Line Items]
Variable rate of securities	1.73%

Derivative Instruments - Additi

Derivative Instruments - Additional Information (Detail)	Dec. 31, 2016USD ($)	Dec. 31, 2016USD ($)	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Mar. 06, 2015Interest_Rate_Swaps	Apr. 22, 2013USD ($)
Derivatives, Fair Value [Line Items]
Derivative notional amount	$ 8,000,000	$ 8,000,000	$ 8,000,000
Unrealized loss on fair value of derivative instrument	91,000		336,000	$ (94,000)	$ (230,000)
Cash held as collateral							$ 400,000
Termination value of derivatives			14,000
Collateral posting	$ 250,000	$ 250,000	$ 250,000
Debt instrument interest rate	6.265%	6.265%	6.265%
Debt instrument maturity date			Jan. 7, 2036
Gain recognized in consolidated statements of operations			$ 6,000	(5,000)
Fixed Rate Note [Member]
Derivatives, Fair Value [Line Items]
Debt instrument term			10 years
Debt instrument interest rate	5.71%	5.71%	5.71%
Debt instrument maturity date			Aug. 31, 2023
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative notional amount	$ 1,492,000	$ 1,492,000	$ 1,492,000	$ 1,525,000
Debt instrument maturity term			6 years 7 months 24 days	7 years 7 months 6 days
Interest Rate Swap Agreement [Member]
Derivatives, Fair Value [Line Items]
Derivative notional amount	8,540,000	8,540,000	$ 8,540,000
Cash held as collateral	655,000	655,000	655,000	$ 803,000
Interest Rate Swap Agreement [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative notional amount	$ 1,492,000	1,492,000	$ 1,492,000
Interest Rate Swap Agreement [Member] | Capital Pacific Bank [Member]
Derivatives, Fair Value [Line Items]
Number of derivative instruments | Interest_Rate_Swaps						3
Forward Starting Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Gain recognized in consolidated statements of operations		$ 327,000
Junior Subordinated Debentures [Member] | Interest Rate Swap Agreement [Member]
Derivatives, Fair Value [Line Items]
Debt instrument maturity term			7 years
Debt instrument interest rate	2.73%	2.73%	2.73%

Derivative Instruments - Summar

Derivative Instruments - Summary of Quantitative Information Pertaining to Interest Rate Swaps (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Notional amount	$ 8,000,000
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional amount	$ 8,540,000	$ 8,774,000
Weighted average maturity in years	5 years 5 months 12 days	6 years 5 months 27 days
Not Designated as Hedging Instrument [Member] | Pay Rate [Member]
Derivatives, Fair Value [Line Items]
Weighted average pay rate	4.85%	4.85%
Not Designated as Hedging Instrument [Member] | Receive Rate [Member]
Derivatives, Fair Value [Line Items]
Weighted average pay rate	3.63%	3.28%
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional amount	$ 1,492,000	$ 1,525,000
Weighted average maturity in years	6 years 7 months 24 days	7 years 7 months 6 days
Designated as Hedging Instrument [Member] | Pay Rate [Member]
Derivatives, Fair Value [Line Items]
Weighted average pay rate	5.71%	5.71%
Designated as Hedging Instrument [Member] | Receive Rate [Member]
Derivatives, Fair Value [Line Items]
Weighted average pay rate	3.54%	3.20%

Derivative Instruments - Sum105

Derivative Instruments - Summary of Interest Rate Swaps (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Income statement impact of interest rate swaps	$ 6	$ (5)
Not Designated as Hedging Instrument [Member] | Other Noninterest Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Income statement impact of interest rate swaps	6	(5)
Other Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap Agreement [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	45	66
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Swap Agreement [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	14	24
Other Liabilities [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap Agreement [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	67	93
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Swap Agreement [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	$ 14	$ 24

Income Taxes - Provision for In

Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Federal, Current payable									$ 8,414	$ 8,136	$ 5,747
State, Current payable									1,989	800	159
Total current income tax expense benefit									10,403	8,936	5,906
Federal, Deferred									(579)	358	1,608
State, Deferred									(115)	795	1,158
Total deferred income tax expense benefit									(694)	1,153	2,766
Income tax provision	$ 2,764	$ 2,634	$ 1,406	$ 2,905	$ 3,076	$ 2,890	$ 2,648	$ 1,475	$ 9,709	$ 10,089	$ 8,672

Income Taxes - Provision for107

Income Taxes - Provision for Income Taxes Results in Effective Tax Rates (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Expenses [Line Items]
Expected federal income tax provision									$ 10,320	$ 10,094	$ 8,650
State income tax, net of federal income tax effect									1,138	1,365	948
Municipal securities tax benefit									(1,429)	(1,049)	(747)
Equity-based compensation											5
(Expense) benefit of purchased tax credits									(1)	1	25
Low-income housing tax credits									(393)	(234)	(199)
Bank Owned Life Insurance									(273)	(230)	(184)
Deferred tax rate adjustments and other									(137)	(13)	24
Income tax provision	$ 2,764	$ 2,634	$ 1,406	$ 2,905	$ 3,076	$ 2,890	$ 2,648	$ 1,475	$ 9,709	$ 10,089	$ 8,672
Percentage of expected federal income tax provision									35.00%	35.00%	35.00%
Percentage of state income tax, net of federal income tax effect									3.86%	4.73%	3.84%
Percentage of municipal securities tax benefit									(4.85%)	(3.64%)	(3.02%)
Percentage of equity-based compensation									0.00%	0.00%	0.02%
Percentage of (Expense) benefit of purchased tax credits									0.00%	0.00%	0.10%
Percentage of low-income housing tax credits									(1.33%)	(0.81%)	(0.81%)
Percentage of Bank Owned Life Insurance									(0.93%)	(0.80%)	(0.74%)
Percentage of deferred tax rate adjustments and other									(0.46%)	(0.05%)	0.10%
Percentage of income tax provision									32.93%	34.97%	35.10%
Century Bank [Member]
Income Tax Expenses [Line Items]
Acquisition costs											$ 150
Percentage of Acquisition costs									0.00%	0.00%	0.61%
Capital Pacific Bancorp [Member]
Income Tax Expenses [Line Items]
Acquisition costs										$ 155
Percentage of Acquisition costs									0.00%	0.54%	0.00%
Foundation Bancorp Inc [Member]
Income Tax Expenses [Line Items]
Acquisition costs									$ 484
Percentage of Acquisition costs									1.64%	0.00%	0.00%

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Tax Credit Carryforward [Line Items]
Reduction in taxes payable	$ 43	$ 9	$ 14
Foundation Bancorp Inc [Member]
Tax Credit Carryforward [Line Items]
Federal net operating loss carryforward	10,943
AMT credit carryover	40
Net operating loss carryforward limitations amount due to changes in control	$ 3,389
Federal net operating loss carryforward expiration year	2,030

Income Taxes - Components of De

Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Allowance for loan losses	$ 12,890	$ 7,868
Basis adjustments on loans	1,307	1,677
Reserve for self-funded insurance	139	104
Nonqualified stock options	489	816
Accrued compensation	1,592	1,617
OTTI credit impairment	105	94
Nonaccrual loan interest	53	193
NOL carryforward	3,893
Net unrealized loss on securities	1,516
Other	137	91
Total deferred tax assets	22,121	12,460
Federal Home Loan Bank stock dividends	599	589
Excess tax over book depreciation	1,502	1,134
Prepaid expenses	583	466
Acquisition adjustments relating to core deposit intangible, deferred loan origination costs, junior subordinated debenture and other	4,877	1,512
Loan origination fees	1,514	1,346
Net unrealized gains on swaps	35	32
Net unrealized gains on securities		1,694
Other	289	17
Total deferred tax liabilities	9,399	6,790
Deferred income tax asset	12,722	5,670
Valuation allowance	0	0
Net deferred tax asset	$ 12,722	$ 5,670

Retirement Plan - Additional In

Retirement Plan - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Total plan expenses	$ 1,038	$ 861	$ 740

Share-Based Compensation - Addi

Share-Based Compensation - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2016USD ($)shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of options outstanding | $	$ 1,884,000
Weighted average remaining contractual term	1 year 8 months 9 days
Unrecognized compensation expense | $	$ 0
Weighted average fair value of cash settled stock appreciation rights outstanding | $	$ 409,000
2006 SOEC Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, authorized shares	1,550,000
Maximum percentage of awards to be granted at exercise prices	100.00%
Vesting Period Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting period	4 years
Stock Options [Member] | Minimum [Member] | 2006 SOEC Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting period	4 years
Stock Options [Member] | Maximum [Member] | 2006 SOEC Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting period	10 years
Stock-Settled SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining contractual term	1 year 9 months 11 days
Unrecognized compensation expense | $	$ 0
The total intrinsic value of stock-settled SARs | $	$ 1,004,000
Cash-settled SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining contractual term	1 year 2 months 9 days
Director Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares granted and issued during period	16,144
Employee RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares granted and issued during period	130,151
Employee RSUs [Member] | Vesting Period Immediate [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares vested during period	300
Employee RSUs [Member] | Vesting Period Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares granted and issued during period	130,151
Additional shares vested during period	129,851

Share-Based Compensation - Sche

Share-Based Compensation - Schedule of Compensation Expenses and Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense	$ 2,003	$ 1,650	$ 1,528
Compensation Expense (Benefit)		1,650
Tax Benefit (Expense)	701	577	530
Director Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense	269		200
Compensation Expense (Benefit)		248
Tax Benefit (Expense)	94	87	70
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense			13
Employee Stock SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense			26
Tax Benefit (Expense)			9
Employee RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense	1,584		1,215
Compensation Expense (Benefit)		1,452
Tax Benefit (Expense)	554	508	425
Employee Cash SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense	150		75
Compensation Expense (Benefit)		(50)
Tax Benefit (Expense)	$ 53	$ (18)	$ 26

Share Based Compensation - Summ

Share Based Compensation - Summary of Stock Option Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Balance, beginning of year	319,454	327,050	367,906
Outstanding, Exercised	(68,907)	(7,596)	(16,779)
Outstanding, Forfeited or expired	(12,243)		(24,077)
Options Outstanding, Balance, end of year	238,304	319,454	327,050
Outstanding, Options exercisable, end of year	238,304	319,454	327,050
Weighted Average Exercise Price, Balance, beginning of year	$ 14.23	$ 14.16	$ 14.15
Weighted Average Exercise Price, Exercised	14.85	11.44	11.29
Weighted Average Exercise Price, Forfeited or expired	16.34		16
Weighted Average Exercise Price, Balance, end of year	13.94	14.23	14.16
Weighted Average Exercise Price, Option exercisable, end of year	$ 13.94	$ 14.23	$ 14.16
Stock Distribution [Member] | Stock-Settled SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Balance, beginning of year	239,267	289,267	337,759
Outstanding, Exercised	(103,818)	(49,600)	(26,155)
Outstanding, Forfeited or expired	(9,641)	(400)	(22,337)
Options Outstanding, Balance, end of year	125,808	239,267	289,267
Outstanding, Options exercisable, end of year	125,808	239,267	289,267
Weighted Average Exercise Price, Balance, beginning of year	$ 14.36	$ 13.97	$ 13.85
Weighted Average Exercise Price, Exercised	14.78	12.12	11.79
Weighted Average Exercise Price, Forfeited or expired	16.21	11.30	14.74
Weighted Average Exercise Price, Balance, end of year	13.87	14.36	13.97
Weighted Average Exercise Price, Option exercisable, end of year	$ 13.87	$ 14.36	$ 13.97
Cash Distribution [Member] | Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Balance, beginning of year	142,527	158,993	186,992
Outstanding, Exercised	(75,836)	(12,087)	(11,012)
Outstanding, Forfeited or expired	(296)	(4,379)	(16,987)
Options Outstanding, Balance, end of year	66,395	142,527	158,993
Outstanding, Options exercisable, end of year	66,395	142,527	158,993
Weighted Average Exercise Price, Balance, beginning of year	$ 15.27	$ 15.10	$ 14.95
Weighted Average Exercise Price, Exercised	15.43	12.95	12.21
Weighted Average Exercise Price, Forfeited or expired	12.07	15.77	15.34
Weighted Average Exercise Price, Balance, end of year	14.94	15.27	15.10
Weighted Average Exercise Price, Option exercisable, end of year	$ 14.94	$ 15.27	$ 15.10

Share-Based Compensation - Summ

Share-Based Compensation - Summary of Stock Options, Employee Stock SARs, and Employee Cash SARs Exercised (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Exercised	68,907	7,596	16,779
Weighted Average Exercise Price	$ 14.85	$ 11.44	$ 11.29
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Exercised	68,907	7,596
Weighted Average Exercise Price	$ 14.85	$ 11.44
Intrinsic Value	$ 117	$ 29
Number of Shares Issued	48,665	7,596
Employee Stock SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Exercised	103,818	49,600
Weighted Average Exercise Price	$ 12.28	$ 12.12
Intrinsic Value	$ 40	$ 94
Number of Shares Issued	9,131	6,250
Employee Cash SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Exercised	75,836	12,087
Weighted Average Exercise Price	$ 11.81	$ 12.95
Net Cash Payment to Employees	$ 178	$ 27

Share Based Compensation - S115

Share Based Compensation - Summary of RSU Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Balance, beginning of year	319,454	327,050	367,906
Options Outstanding, Forfeited or expired	(12,243)		(24,077)
Options Outstanding, Balance, end of year	238,304	319,454	327,050
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Balance, beginning of year	330,997	306,532	299,696
Options Outstanding, Granted	130,151	157,195	127,051
Options Outstanding, Vested Shares issued	(80,051)	(75,373)	(58,518)
Options Outstanding, Vested shares forfeited for taxes	(48,173)	(46,105)	(36,384)
Options Outstanding, Forfeited or expired	(32,084)	(11,252)	(25,313)
Options Outstanding, Balance, end of year	300,840	330,997	306,532
Weighted Average Grant Date Fair Value, Balance, beginning of year	$ 12.23	$ 11.18	$ 9.79
Weighted Average Grant Date Fair Value, Granted	16.66	13	13.21
Weighted Average Grant Date Fair Value, Vested Shares issued	11.50	10.59	9.65
Weighted Average Grant Date Fair Value, Vested Shares forfeited for taxes	11.50	10.59	9.65
Weighted Average Grant Date Fair Value, Forfeited or expired	13.70	12.33	10.67
Weighted Average Grant Date Fair Value, Balance, end of year	$ 14.30	$ 12.23	$ 11.18

Deferred Compensation Plan - Ad

Deferred Compensation Plan - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Other Liabilities [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation liability	$ 742	$ 352

Accumulated Other Comprehens117

Accumulated Other Comprehensive Income - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 218,491	$ 184,161	$ 179,184
Net current-period other comprehensive (loss) income	(5,014)	(1,103)	3,703
Balance	273,755	218,491	184,161
Unrealized gains and losses on available -for-sale securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	2,649	3,695	(148)
Other comprehensive (loss) income before reclassifications	(4,804)	(649)	3,822
Amounts reclassified from accumulated other comprehensive income	(215)	(397)	21
Net current-period other comprehensive (loss) income	(5,019)	(1,046)	3,843
Balance	(2,370)	2,649	3,695
Unrealized gains and losses on derivative instrument - cash flow hedge [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	50	107	247
Other comprehensive (loss) income before reclassifications	191	(57)	(140)
Amounts reclassified from accumulated other comprehensive income	(186)
Net current-period other comprehensive (loss) income	5	(57)	(140)
Balance	55	50	107
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	2,699	3,802	99
Other comprehensive (loss) income before reclassifications	(4,613)	(706)	3,682
Amounts reclassified from accumulated other comprehensive income	(401)	(397)	21
Net current-period other comprehensive (loss) income	(5,014)	(1,103)	3,703
Balance	$ (2,315)	$ 2,699	$ 3,802

Transactions with Related Pa118

Transactions with Related Parties - Schedule of Activities in Related Party Loans (Detail) - Directors and Officers [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Balance, beginning of year	$ 25	$ 100	$ 100
Additions or renewals	25	35	0
Amounts collected	$ (50)	(110)
Balance, end of year		$ 25	$ 100

Transactions with Related Pa119

Transactions with Related Parties - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Commitments to extend credit	$ 408,860	$ 256,156
Deposits to related parties	6,439	$ 1,091	$ 1,304
Directors and Officers [Member]
Related Party Transaction [Line Items]
Commitments to extend credit	$ 106

Commitments and Contingencies -

Commitments and Contingencies - Schedule of Off-Balance Sheet Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments to extend credit (principally variable rate)	$ 408,860	$ 256,156
Letters of credit and financial guarantees written	$ 2,425	$ 1,184

Commitments and Contingencie121

Commitments and Contingencies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2016USD ($)Officers
Commitments and Contingencies Disclosure [Abstract]
Number of key executive officers in executive employment agreements	2
Minimum aggregate annual base salaries under executive employment agreements | $	$ 840,000
Number of executive employment agreements with key executive officers	2
Employment agreements expiration date	2,017

Fair Value - Estimated Fair Val

Fair Value - Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financial assets:
Cash and cash equivalents	$ 67,113	$ 36,675
Loans	1,857,767	1,404,482
Accrued interest receivable	7,017	5,721
Federal Home Loan Bank stock	5,423	5,208
Bank-owned life insurance	35,165	22,884
Interest rate swaps	150	171
Financial liabilities:
Deposits	2,148,103	1,597,093
Federal Home Loan Bank borrowings	65,000	77,500
Subordinated debentures	34,096
Accrued interest payable	176	138
Interest rate swaps	81	116
Junior Subordinated Debentures [Member]
Financial liabilities:
Junior subordinated debentures	11,311	8,248
Carrying Amount [Member]
Financial assets:
Cash and cash equivalents	67,113	36,675
Securities available-for-sale	470,996	366,598
Loans	1,857,767	1,404,482
Accrued interest receivable	7,017	5,721
Federal Home Loan Bank stock	5,423	5,208
Bank-owned life insurance	35,165	22,884
Interest rate swaps	150	171
Financial liabilities:
Deposits	2,148,103	1,597,093
Federal Home Loan Bank borrowings	65,000	77,500
Subordinated debentures	34,096
Accrued interest payable	176	138
Interest rate swaps	81	116
Carrying Amount [Member] | Junior Subordinated Debentures [Member]
Financial liabilities:
Junior subordinated debentures	11,311	8,248
Fair Value [Member]
Financial assets:
Cash and cash equivalents	67,113	36,675
Securities available-for-sale	470,996	366,598
Loans	1,837,673	1,389,562
Accrued interest receivable	7,017	5,721
Federal Home Loan Bank stock	5,423	5,208
Bank-owned life insurance	35,165	22,884
Interest rate swaps	150	171
Financial liabilities:
Deposits	2,147,056	1,597,280
Federal Home Loan Bank borrowings	65,043	77,651
Subordinated debentures	32,140
Accrued interest payable	176	138
Interest rate swaps	81	116
Fair Value [Member] | Junior Subordinated Debentures [Member]
Financial liabilities:
Junior subordinated debentures	$ 6,972	$ 2,741

Fair Value - Fair Value Hierarc

Fair Value - Fair Value Hierarchy for Assets and Liabilities Not Measured at Fair Value (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financial assets:
Cash and cash equivalents	$ 67,113	$ 36,675
Loans	1,857,767	1,404,482
Accrued interest receivable	7,017	5,721
Federal Home Loan Bank stock	5,423	5,208
Bank-owned life insurance	35,165	22,884
Swap derivative	150	171
Financial liabilities:
Deposits	2,148,103	1,597,093
Federal Home Loan Bank borrowings	65,000	77,500
Accrued interest payable	176	138
Interest rate swaps	81	116
Junior Subordinated Debentures [Member]
Financial liabilities:
Junior subordinated debentures	11,311	8,248
Subordinated Debentures [Member]
Financial liabilities:
Junior subordinated debentures	34,096
Level 1 [Member]
Financial assets:
Cash and cash equivalents	67,113	36,675
Accrued interest receivable	7,017	5,721
Federal Home Loan Bank stock	5,423	5,208
Bank-owned life insurance	35,165	22,884
Swap derivative	150	171
Financial liabilities:
Deposits	1,969,220	1,458,490
Accrued interest payable	176	138
Interest rate swaps	81	116
Level 2 [Member]
Financial liabilities:
Deposits	177,836	138,790
Federal Home Loan Bank borrowings	65,043	77,651
Level 2 [Member] | Junior Subordinated Debentures [Member]
Financial liabilities:
Junior subordinated debentures	6,972	2,741
Level 2 [Member] | Subordinated Debentures [Member]
Financial liabilities:
Junior subordinated debentures	32,140
Level 3 [Member]
Financial assets:
Loans	$ 1,837,673	$ 1,389,562

Fair Value - Assets and Liabili

Fair Value - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 150	$ 171
Total assets measured on a recurring basis	471,065	366,653
Obligations of U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	25,620	44,623
Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	110,739	97,151
Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	290,036	185,370
Private-Label Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	1,937	2,790
SBA Pools [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	42,664	35,771
Corporate Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities		893
Interest Rate Swap Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	69	55
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	150	171
Total assets measured on a recurring basis	69	55
Level 1 [Member] | Interest Rate Swap Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	69	55
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured on a recurring basis	469,628	365,012
Level 2 [Member] | Obligations of U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	25,620	44,623
Level 2 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	110,739	97,151
Level 2 [Member] | Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	290,036	185,370
Level 2 [Member] | Private-Label Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	569	1,204
Level 2 [Member] | SBA Pools [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	42,664	35,771
Level 2 [Member] | Corporate Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities		893
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured on a recurring basis	1,368	1,586
Level 3 [Member] | Private-Label Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 1,368	$ 1,586

Fair Value - Additional Informa

Fair Value - Additional Information (Detail) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2016Securities	Dec. 31, 2016USD ($)Security	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfer of security from levels 1 and 2 to level 3 | Security		0
Carrying value of loans fully charged off | $		$ 0
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of securities transferred from level 2 Level 3 | Securities	1
Other Real Estate Owned [Member] | Impaired Loans [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term period for external appraisals		6 months
Other Real Estate Owned [Member] | Impaired Loans [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term period for external appraisals			12 months

Fair Value - Reconciliation of

Fair Value - Reconciliation of Assets Measured at Fair Value on Recurring Basis (Detail) - Private-Label Mortgage-Backed Securities [Member] - Level 3 [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 1,586	$ 1,568	$ 1,786
Transfers into Level 3	70	300
Transfers out of Level 3	0	0	0
Included in earnings	(21)
Included in other comprehensive income	43	66	(106)
Paydowns	(310)	(348)	(112)
Purchases, issuances, sales, and settlements
Purchases	0	0	0
Issuances	0	0	0
Sales	0	0	0
Settlements	0	0	0
Ending balance	$ 1,368	$ 1,586	$ 1,568

Fair Value - Assets Measured at

Fair Value - Assets Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment (net of guarantees and specific reserve)		$ 53
Other real estate owned	$ 10,936	10,147
Total	10,936	10,200
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment (net of guarantees and specific reserve)		53
Other real estate owned	10,936	10,147
Total	$ 10,936	$ 10,200

Regulatory Matters - Schedule o

Regulatory Matters - Schedule of Compliance with Regulatory Capital Requirements (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk weighted assets), Actual Amount	$ 278,444	$ 201,261
Total capital (to risk weighted assets), Actual Ratio	12.69%	12.58%
Tier 1 capital (to risk weighted assets), Actual Amount	$ 221,346	$ 183,600
Tier 1 capital (to risk weighted assets), Actual Ratio	10.08%	11.47%
Common Equity Tier 1 (to risk weighted assets),Actual Amount	$ 208,873	$ 175,600
Common Equity Tier 1 (to risk weighted assets),Actual Ratio	9.52%	10.97%
Tier 1 capital (to leverage assets), Actual Amount	$ 221,346	$ 183,600
Tier 1 capital (to leverage assets), Actual Ratio	9.01%	9.93%
Pacific Continental Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk weighted assets), Actual Amount	$ 267,416	$ 200,236
Total capital (to risk weighted assets), Actual Ratio	12.19%	12.52%
Tier 1 capital (to risk weighted assets), Actual Amount	$ 244,414	$ 182,575
Tier 1 capital (to risk weighted assets), Actual Ratio	11.14%	11.41%
Common Equity Tier 1 (to risk weighted assets),Actual Amount	$ 244,414	$ 182,575
Common Equity Tier 1 (to risk weighted assets),Actual Ratio	11.14%	11.41%
Tier 1 capital (to leverage assets), Actual Amount	$ 244,414	$ 182,575
Tier 1 capital (to leverage assets), Actual Ratio	9.96%	9.88%
Total capital (to risk weighted assets), For Capital Adequacy Purposes Amount	$ 175,555	$ 127,990
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes Amount	131,666	95,993
Common Equity Tier 1 (to risk weighted assets), For Capital Adequacy Purposes Amount	98,750	71,995
Tier 1 capital (to leverage assets), For Capital Adequacy Purposes Amount	$ 98,181	$ 73,938
Total capital (to risk weighted assets), For Capital Adequacy Purposes Ratio	8.00%	8.00%
Tier 1 capital (to risk weighted assets), For Capital Adequacy Purposes Ratio	6.00%	6.00%
Common Equity Tier 1 (to risk weighted assets), For Capital Adequacy Purposes Ratio	4.50%	4.50%
Tier 1 capital (to leverage assets), For Capital Adequacy Purposes Ratio	4.00%	4.00%
Total capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 219,444	$ 159,988
Tier 1 capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	175,555	127,990
Common Equity Tier 1 (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	142,638	103,992
Tier 1 capital (to leverage assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 122,726	$ 92,422
Total capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	10.00%	10.00%
Tier 1 capital (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	8.00%	8.00%
Common Equity Tier 1 (to risk weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	6.50%	6.50%
Tier 1 capital (to leverage assets), To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	5.00%	5.00%

Regulatory Matters - Additional

Regulatory Matters - Additional Information (Detail) - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2009	Jan. 01, 2019	Dec. 31, 2016	Jan. 01, 2016	Dec. 31, 2015
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage of capital conservation				4.50%
Minimum leverage ratio			9.01%		9.93%
Amount of minimum value of assets	$ 15
Trust preferred security debt phased out of Tier 1 capital to Tier 2 capital period	10 years
Minimum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Minimum ratio of risk-weighted assets				4.00%
Maximum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Minimum ratio of risk-weighted assets				6.00%
Scenario, Forecast [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage of capital conservation		7.00%
Minimum ratio of risk-weighted assets		8.00%

Parent Company Financial Inf130

Parent Company Financial Information - Schedule of Parent Company Balance Sheet (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets:
Cash deposited with the Bank	$ 67,113	$ 36,675	$ 25,787	$ 21,108
Cash and due from banks	30,154	23,819
Goodwill	61,401	39,255	22,881	22,881
Total assets	2,541,437	1,909,478
Liabilities and shareholders' equity:
Liabilities	2,267,682	1,690,987
Deferred tax liability	35	32
Subordinated debentures	34,096
Junior subordinated debentures	11,311	8,248
Shareholders' equity	273,755	218,491	184,161	179,184
Total liabilities and shareholders' equity	2,541,437	1,909,478
Pacific Continental Corporation [Member]
Assets:
Cash deposited with the Bank	7,558	678	$ 2,961	$ 2,941
Cash and due from banks	403	400
Goodwill	4,464
Prepaid expenses	9	4
Equity in Trust	434	248
Swap unrealized gain	91	82
Investment in the Bank	306,304	225,416
Total assets	319,263	226,828
Liabilities and shareholders' equity:
Liabilities	66	57
Deferred tax liability	35	32
Subordinated debentures	34,096
Junior subordinated debentures	11,311	8,248
Shareholders' equity	273,755	218,491
Total liabilities and shareholders' equity	$ 319,263	$ 226,828

Parent Company Financial Inf131

Parent Company Financial Information - Schedule of Parent Company Statement of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Income Statements, Captions [Line Items]
Interest expense	$ 2,060	$ 1,891	$ 1,137	$ 1,144	$ 1,055	$ 1,142	$ 1,144	$ 1,095	$ 6,232	$ 4,436	$ 4,579
Income tax benefit	(2,764)	(2,634)	(1,406)	(2,905)	(3,076)	(2,890)	(2,648)	(1,475)	(9,709)	(10,089)	(8,672)
Net income	$ 6,860	$ 4,851	$ 2,606	$ 5,459	$ 5,528	$ 5,325	$ 5,095	$ 2,803	19,776	18,751	16,042
Pacific Continental Corporation [Member]
Condensed Income Statements, Captions [Line Items]
Cash dividends from the Bank									4,400	6,550	16,211
Income from Trust Preferred									8	4	4
Total income									4,408	6,554	16,215
Interest expense									1,422	226	225
Investor relations									103	132	84
Legal, registration expense, and other									230	98	132
Personnel costs paid to Bank									189	167	183
Total expenses									1,944	623	624
Income before income tax provision									2,464	5,931	15,591
Income tax benefit									200	139	140
Equity in undistributed earnings of the Bank									17,112	12,681	311
Net income									$ 19,776	$ 18,751	$ 16,042

Parent Company Financial Inf132

Parent Company Financial Information - Schedule of Parent Company Statements of Cash Flows (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 6,860	$ 4,851	$ 2,606	$ 5,459	$ 5,528	$ 5,325	$ 5,095	$ 2,803	$ 19,776	$ 18,751	$ 16,042
Adjustments to reconcile net income to net cash provided by operating activities:
Excess tax benefit of stock options exercised									(43)	(9)	(14)
Net cash provided by operating activities									31,517	30,013	24,138
Cash flows from investing activities:
Net cash used by investing activities									(169,903)	(148,696)	(52,200)
Cash flows from financing activities:
Proceeds from stock options exercised									691	86	189
Excess tax benefit of stock options exercised									43	9	14
Repurchase of common stock											(3,600)
Dividends paid									(8,983)	(8,042)	(12,308)
Vested SARS and RSUs surrendered by employees to cover tax consequences									(896)	(649)	(517)
Proceeds from subordinated debt issuance									34,072
Net cash provided by financing activities									168,824	129,571	32,741
Net increase (decrease) in cash and cash equivalents									30,438	10,888	4,679
Cash and cash equivalents, beginning of year				36,675				25,787	36,675	25,787	21,108
Cash and cash equivalents, end of year	67,113				36,675				67,113	36,675	25,787
Pacific Continental Corporation [Member]
Cash flows from operating activities:
Net income									19,776	18,751	16,042
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed earnings from the Bank									(17,112)	(12,681)	(311)
Excess tax benefit of stock options exercised									(43)	(9)	(14)
Other, net									(665)	652	525
Net cash provided by operating activities									1,956	6,713	16,242
Cash flows from investing activities:
Capital Investment in the Bank									(20,000)
Net cash used by investing activities									(20,000)
Cash flows from financing activities:
Proceeds from stock options exercised									691	86	189
Excess tax benefit of stock options exercised									43	9	14
Repurchase of common stock											(3,600)
Dividends paid									(8,983)	(8,042)	(12,308)
Vested SARS and RSUs surrendered by employees to cover tax consequences									(896)	(649)	(517)
Proceeds from subordinated debt issuance									34,072
Net cash provided by financing activities									24,927	(8,596)	(16,222)
Net increase (decrease) in cash and cash equivalents									6,883	(1,883)	20
Cash and cash equivalents, beginning of year				$ 678				$ 2,961	678	2,961	2,941
Cash and cash equivalents, end of year	$ 7,558				$ 678				$ 7,558	$ 678	$ 2,961

Selected Quarterly Financial133

Selected Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Selected Quarterly Financial Information [Abstract]
Total interest income	$ 27,044	$ 22,662	$ 20,284	$ 19,953	$ 19,877	$ 19,450	$ 18,840	$ 16,069	$ 89,943	$ 74,236	$ 62,027
Total interest expense	2,060	1,891	1,137	1,144	1,055	1,142	1,144	1,095	6,232	4,436	4,579
Net interest income	24,984	20,771	19,147	18,809	18,822	18,308	17,696	14,974	83,711	69,800	57,448
Provision for loan losses	1,875	1,380	1,950	245	520	625	550		5,450	1,695
Noninterest Income	2,344	1,919	1,747	1,807	2,008	1,714	1,627	1,276	7,817	6,625	4,995
Noninterest Expense	15,829	13,825	14,932	12,007	11,706	11,182	11,030	11,972	56,593	45,890	37,729
Income before income taxes	9,624	7,485	4,012	8,364	8,604	8,215	7,743	4,278	29,485	28,840	24,714
Provision for income taxes	2,764	2,634	1,406	2,905	3,076	2,890	2,648	1,475	9,709	10,089	8,672
Net income	$ 6,860	$ 4,851	$ 2,606	$ 5,459	$ 5,528	$ 5,325	$ 5,095	$ 2,803	$ 19,776	$ 18,751	$ 16,042
Per common share
Earnings (basic)	$ 0.30	$ 0.24	$ 0.13	$ 0.28	$ 0.28	$ 0.27	$ 0.26	$ 0.15	$ 0.96	$ 0.97	$ 0.90
Earnings (diluted)	$ 0.30	$ 0.23	$ 0.13	$ 0.28	$ 0.28	$ 0.27	$ 0.26	$ 0.15	$ 0.95	$ 0.97	$ 0.89