10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended March 31, 2016

or

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

For the transition period from __________ to __________.

Commission file number: 001-09383

WESTAMERICA BANCORPORATION

(Exact Name of Registrant as Specified in Its Charter)

CALIFORNIA	94-2156203
(State or Other Jurisdiction of	(I.R.S. Employer
Incorporation or Organization)	Identification No.)

1108 FIFTH AVENUE, SAN RAFAEL, CALIFORNIA 94901

(Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, Including Area Code (707) 863-6000

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes ☒ No ☐

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

Large accelerated filer ☒	Accelerated filer ☐	Non-accelerated filer ☐	Smaller reporting company ☐
	(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐ No ☒

Indicate the number of shares outstanding of each of the registrant's classes of common stock, as of the latest practicable date:

Title of Class	Shares outstanding as of April 22, 2016
Common Stock,	25,496,985
No Par Value

TABLE OF CONTENTS

		Page
Forward Looking Statements		3
PART I - FINANCIAL INFORMATION
Item 1	Financial Statements	4
	Notes to Unaudited Consolidated Financial Statements	9
	Financial Summary	29
Item 2	Management's Discussion and Analysis of Financial Condition and Results of Operations	30
Item 3	Quantitative and Qualitative Disclosures about Market Risk	50
Item 4	Controls and Procedures	51
PART II - OTHER INFORMATION
Item 1	Legal Proceedings	51
Item 1A	Risk Factors	51
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	51
Item 3	Defaults upon Senior Securities	52
Item 4	Mine Safety Disclosures	52
Item 5	Other Information	52
Item 6	Exhibits	52
Signatures		53
Exhibit Index		54
Exhibit 31.1 - Certification of Chief Executive Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)		55
Exhibit 31.2 - Certification of Chief Financial Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)		56
Exhibit 32.1 - Certification of Chief Executive Officer Required by 18 U.S.C. Section 1350		57
Exhibit 32.2 - Certification of Chief Financial Officer Required by 18 U.S.C. Section 1350		58

- 2 - 

FORWARD-LOOKING STATEMENTS

This report on Form 10-Q contains forward-looking statements about Westamerica Bancorporation (the “Company”) for which it claims the protection of the safe harbor provisions contained in the Private Securities Litigation Reform Act of 1995. Examples of forward-looking statements include, but are not limited to: (i) projections of revenues, expenses, income or loss, earnings or loss per share, the payment or nonpayment of dividends, capital structure and other financial items; (ii) statements of plans, objectives and expectations of the Company or its management or board of directors, including those relating to products or services; (iii) statements of future economic performance; and (iv) statements of assumptions underlying such statements. Words such as "believes", "anticipates", "expects", "intends", "targeted", "projected", "continue", "remain", "will", "should", "may" and other similar expressions are intended to identify forward-looking statements but are not the exclusive means of identifying such statements.

These forward-looking statements are based on Management’s current knowledge and belief and include information concerning the Company’s possible or assumed future financial condition and results of operations. A number of factors, some of which are beyond the Company’s ability to predict or control, could cause future results to differ materially from those contemplated. These factors include but are not limited to (1) the length and severity of difficulties in the global, national and California economies and the effects of government efforts to address those difficulties; (2) liquidity levels in capital markets; (3) fluctuations in asset prices including, but not limited to stocks, bonds, real estate, and commodities; (4) the effect of acquisitions and integration of acquired businesses; (5) economic uncertainty created by terrorist threats and attacks on the United States, the actions taken in response, and the uncertain effect of these events on the national and regional economies; (6) changes in the interest rate environment; (7) changes in the regulatory environment; (8) competitive pressure in the banking industry; (9) operational risks including a failure or breach in data processing systems or those of third party vendors and other service providers, including as a result of cyber attacks or fraud; (10) volatility of interest rate sensitive loans, deposits and investments; (11) asset/liability management risks and liquidity risks; (12) the effect of natural disasters, including earthquakes, fire, flood, drought, and other disasters, on the uninsured value of loan collateral, the financial condition of debtors and issuers of investment securities, the economic conditions affecting the Company’s market place, and commodities and asset values; and (13) changes in the securities markets. The reader is directed to the Company's annual report on Form 10-K for the year ended December 31, 2015, for further discussion of factors which could affect the Company's business and cause actual results to differ materially from those expressed in any forward-looking statement made in this report. The Company undertakes no obligation to update any forward-looking statements in this report.

- 3 - 

PART I - FINANCIAL INFORMATION

Item 1 Financial Statements

WESTAMERICA BANCORPORATION

CONSOLIDATED BALANCE SHEETS

(unaudited)

	At March 31, 2016			At December 31, 2015
	(In thousands)
Assets:
Cash and due from banks	$	471,164		$	433,044
Investment securities available for sale		1,585,970			1,570,216
Investment securities held to maturity, with fair values of: $1,381,808 at March 31, 2016 and $1,325,699 at December 31, 2015		1,358,139			1,316,075
Loans		1,473,196			1,533,396
Allowance for loan losses		(29,487	)		(29,771	)
Loans, net of allowance for loan losses		1,443,709			1,503,625
Other real estate owned		8,438			9,264
Premises and equipment, net		38,045			38,693
Identifiable intangibles, net		9,526			10,431
Goodwill		121,673			121,673
Other assets		163,204			165,854
Total Assets	$	5,199,868		$	5,168,875
Liabilities:
Noninterest bearing deposits	$	1,989,010		$	2,026,049
Interest bearing deposits		2,527,740			2,514,610
Total deposits		4,516,750			4,540,659
Short-term borrowed funds		52,451			53,028
Other liabilities		91,694			42,983
Total Liabilities		4,660,895			4,636,670
Shareholders' Equity:
Common stock (no par value), authorized - 150,000 shares Issued and outstanding: 25,438 at March 31, 2016 and 25,528 at December 31, 2015		379,893			378,858
Deferred compensation		1,533			2,578
Accumulated other comprehensive income		6,619			675
Retained earnings		150,928			150,094
Total Shareholders' Equity		538,973			532,205
Total Liabilities and  Shareholders' Equity	$	5,199,868		$	5,168,875

See accompanying notes to unaudited consolidated financial statements.

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WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF INCOME

(unaudited)

	For the Three Months Ended March 31,
	2016		2015
	(In thousands, except per share data)
Interest and Fee Income:
Loans	$	18,353	$	20,230
Investment securities available for sale		7,967		7,469
Investment securities held to maturity		7,327		6,218
Total Interest and Fee Income		33,647		33,917
Interest Expense:
Deposits		543		642
Short-term borrowed funds		9		16
Federal Home Loan Bank advances		-		1
Total Interest Expense		552		659
Net Interest and Fee Income		33,095		33,258
Provision for Loan Losses		-		-
Net Interest and Fee Income After Provision For Loan Losses		33,095		33,258
Noninterest Income:
Service charges on deposit accounts		5,248		5,707
Merchant processing services		1,529		1,703
Debit card fees		1,516		1,456
Trust fees		661		706
ATM processing fees		658		585
Other service fees		629		665
Financial services commissions		156		153
Other noninterest income		1,332		1,325
Total Noninterest Income		11,729		12,300
Noninterest Expense:
Salaries and related benefits		13,117		13,338
Occupancy		3,398		3,727
Outsourced data processing services		2,130		2,108
Furniture and equipment		1,213		1,119
Amortization of identifiable intangibles		905		1,001
Professional fees		732		548
Courier service		545		543
Other real estate owned		111		315
Other noninterest expense		3,707		4,028
Total Noninterest Expense		25,858		26,727
Income Before Income Taxes		18,966		18,831
Provision for income taxes		4,740		4,274
Net Income	$	14,226	$	14,557
Average Common Shares Outstanding		25,445		25,651
Average Diluted Common Shares Outstanding		25,458		25,655
Per Common Share Data:
Basic earnings	$	0.56	$	0.57
Diluted earnings		0.56		0.57
Dividends paid		0.39		0.38

See accompanying notes to unaudited consolidated financial statements.    

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WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	For the Three Months Ended March 31,
	2016			2015
	(In thousands)
Net income	$	14,226		$	14,557
Other comprehensive income:
Increase in net unrealized gains on securities available for sale		10,241			7,418
Deferred tax expense		(4,306	)		(3,119	)
Increase in net unrealized gains on securities available for sale, net of tax		5,935			4,299
Post-retirement benefit transition obligation amortization		15			15
Deferred tax expense		(6	)		(6	)
Post-retirement benefit transition obligation amortization, net of tax		9			9
Total other comprehensive income		5,944			4,308
Total comprehensive income	$	20,170		$	18,865

See accompanying notes to unaudited consolidated financial statements.

- 6 - 

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY

(unaudited)

	Common Shares Outstanding			Common Stock			Deferred Compensation			Accumulated Other Comprehensive Income		Retained Earnings			Total
	(In thousands)
Balance, December 31, 2014		25,745		$	378,132		$	2,711		$	5,292	$	140,468		$	526,603
Net income for the period													14,557			14,557
Other comprehensive income											4,308					4,308
Exercise of stock options		-			-											-
Tax benefit decrease upon expiration/exercise of stock options					(865	)										(865	)
Stock based compensation					354											354
Stock awarded to employees		1			45											45
Retirement of common stock including repurchases		(183	)		(2,708	)							(5,159	)		(7,867	)
Dividends													(9,755	)		(9,755	)
Balance, March 31, 2015		25,563		$	374,958		$	2,711		$	9,600	$	140,111		$	527,380
Balance, December 31, 2015		25,528		$	378,858		$	2,578		$	675	$	150,094		$	532,205
Net income for the period													14,226			14,226
Other comprehensive income											5,944					5,944
Exercise of stock options		40			1,717											1,717
Tax benefit decrease upon expiration/exercise of stock options					(181	)										(181	)
Restricted stock activity					1,045			(1,045	)							-
Stock based compensation					390											390
Stock awarded to employees		-			15											15
Retirement of common stock including repurchases		(130	)		(1,951	)							(3,473	)		(5,424	)
Dividends													(9,919	)		(9,919	)
Balance, March 31, 2016		25,438		$	379,893		$	1,533		$	6,619	$	150,928		$	538,973

See accompanying notes to unaudited consolidated financial statements.        

- 7 - 

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

	For the Three Months Ended March 31,
	2016			2015
	(In thousands)
Operating Activities:
Net income	$	14,226		$	14,557
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		4,065			3,930
Net amortization of deferred loan fees		(54	)		(78	)
Decrease in interest income receivable		1,379			812
Decrease (increase) in deferred tax asset		115			(421	)
Increase in other assets		(5,602	)		(822	)
Stock option compensation expense		390			354
Tax benefit decrease upon expiration/exercise of stock options		181			865
Increase in income taxes payable		3,424			4,695
Increase in interest expense payable		25			21
Increase (decrease) in other liabilities		(4	)		(6,158	)
Writedown/loss on sale of premises and equipment		5			4
Net gain on sale of foreclosed assets		(58	)		-
Writedown of foreclosed assets		126			243
Net Cash Provided by Operating Activities		18,218			18,002
Investing Activities:
Net repayments of loans		61,070			13,805
Change in payable to FDIC(1)		5,189			(692	)
Purchases of investment securities available for sale		(152,128	)		(354,527	)
Proceeds from sale/maturity/calls of securities available for sale		166,023			185,073
Purchases of investment securities held to maturity		(56,182	)		(10,359	)
Proceeds from maturity/calls of securities held to maturity		33,531			30,468
Purchases of premises and equipment		(283	)		(1,326	)
Proceeds from sale of FRB(2)/FHLB(3) stock		-			490
Proceeds from sale of foreclosed assets		975			100
Net Cash Provided by (Used in) Investing Activities		58,195			(136,968	)
Financing Activities:
Net change in deposits		(23,909	)		30,891
Net change in short-term borrowings and FHLB(3) advances		(577	)		(26,824	)
Exercise of stock options/issuance of shares		1,717			-
Tax benefit decrease upon expiration/exercise of stock options		(181	)		(865	)
Retirement of common stock including repurchases		(5,424	)		(7,867	)
Common stock dividends paid		(9,919	)		(9,755	)
Net Cash Used in Financing Activities		(38,293	)		(14,420	)
Net Change In Cash and Due from Banks		38,120			(133,386	)
Cash and Due from Banks at Beginning of Period		433,044			380,836
Cash and Due from Banks at End of Period	$	471,164		$	247,450
Supplemental Cash Flow Disclosures:
Supplemental disclosure of noncash activities:
Loan collateral transferred to other real estate owned	$	217		$	3,202
Securities purchases pending settlement		44,580			1,478
Supplemental disclosure of cash flow activities:
Interest paid for the period		526			775
Income tax payments for the period		1,200			-

See accompanying notes to unaudited consolidated financial statements.

⁽¹⁾ Federal Deposit Insurance Corporation ("FDIC")

⁽²⁾ Federal Reserve Bank ("FRB")

⁽³⁾ Federal Home Loan Bank ("FHLB")

- 8 - 

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Note 1: Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission and follow general practices within the banking industry. The results of operations reflect interim adjustments, all of which are of a normal recurring nature and which, in the opinion of Management, are necessary for a fair presentation of the results for the interim periods presented. The interim results for the three months ended March 31, 2016 are not necessarily indicative of the results expected for the full year. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and accompanying notes as well as other information included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015.

Note 2: Accounting Policies

The most significant accounting policies followed by the Company are presented in Note 1 to the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015. These policies, along with the disclosures presented in the other financial statement notes and in this discussion, provide information on how significant assets and liabilities are valued in the financial statements and how those values are determined. Based on the valuation techniques used and the sensitivity of financial statement amounts to the methods, assumptions, and estimates underlying those amounts, Management has identified the allowance for loan losses accounting to be the accounting area requiring the most subjective or complex judgments, and as such could be most subject to revision as new information becomes available. A discussion of the factors affecting accounting for the allowance for loan losses and purchased loans is included in the “Loan Portfolio Credit Risk” discussion below. Certain amounts in prior periods have been reclassified to conform to the current presentation.

Application of these principles requires the Company to make certain estimates, assumptions, and judgments that affect the amounts reported in the financial statements and accompanying notes. These estimates, assumptions, and judgments are based on information available as of the date of the financial statements; accordingly, as this information changes, the financial statements could reflect different estimates, assumptions, and judgments. Certain accounting policies inherently have a greater reliance on the use of estimates, assumptions and judgments and as such have a greater possibility of producing results that could be materially different than originally reported. Estimates, assumptions and judgments are necessary when assets and liabilities are required to be recorded at fair value, when a decline in the value of an asset not carried on the financial statements at fair value warrants an impairment writedown or valuation reserve to be established, or when an asset or liability needs to be recorded contingent upon a future event. Carrying assets and liabilities at fair value inherently results in more financial statement volatility. The fair values and the information used to record valuation adjustments for certain assets and liabilities are based either on quoted market prices or are provided by other third-party sources, when available.

Recently Issued Accounting Standards

FASB Accounting Standards Update (ASU) 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, was issued January 2016. The ASU addresses certain aspects of recognition, measurement, presentation, and disclosure of financial instruments. Most notably, the ASU changes the income statement impact of equity investments held by the Company and the requirement for the Company to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes.

The Company will be required to adopt the ASU provisions on January 1, 2018. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

FASB Accounting Standards Update (ASU) 2016-02, Leases (Topic 842), was issued February 25, 2016. The provisions of the new standard require lessees to recognize most leases on-balance sheet, increasing reported assets and liabilities. Lessor accounting remains substantially similar to current U.S. GAAP.

The Company will be required to adopt the ASU provisions January 1, 2019, utilizing the modified retrospective transition approach. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

- 9 - 

FASB ASU 2016-09, Improvements to Employee Share-Based Payment Accounting, was issued March 30, 2016. The provisions of the new standard changes several aspects of the accounting for share-based payment award transactions, including: (1) Accounting and Cash Flow Classification for Excess Tax Benefits, (2) Forfeitures, and (3) Tax Withholding Requirements and Cash Flow Classification.

The Company will be required to adopt the ASU provisions January 1, 2017. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

Note 3: Investment Securities

An analysis of the amortized cost, gross unrealized gains and losses accumulated in other comprehensive income, and fair value of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale At March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Securities of U.S. Government sponsored entities	$	360,219	$	668	$	(158	)	$	360,729
Agency residential mortgage-backed securities (MBS)		198,740		1,460		(2,931	)		197,269
Non-agency residential MBS		345		8		-			353
Non-agency commercial MBS		2,298		9		(5	)		2,302
Obligations of states and political subdivisions		139,551		9,048		(41	)		148,558
Asset-backed securities		1,680		-		(22	)		1,658
FHLMC(1) and FNMA(2) stock		775		3,016		-			3,791
Corporate securities		868,796		3,670		(3,719	)		868,747
Other securities		2,036		667		(140	)		2,563
Total	$	1,574,440	$	18,546	$	(7,016	)	$	1,585,970

⁽¹⁾ Federal Home Loan Mortgage Corporation

⁽²⁾ Federal National Mortgage Association

An analysis of the amortized cost, gross unrecognized gains and losses, and fair value of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity At March 31, 2016
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	713	$	12	$	-		$	725
Agency residential MBS		632,696		6,398		(404	)		638,690
Non-agency residential MBS		9,415		87		(2	)		9,500
Agency commercial MBS		16,136		36		(295	)		15,877
Obligations of states and political subdivisions		699,179		18,108		(271	)		717,016
Total	$	1,358,139	$	24,641	$	(972	)	$	1,381,808

- 10 - 

An analysis of the amortized cost, gross unrealized gains and losses accumulated in other comprehensive income, and fair value of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale At December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Securities of U.S. Government sponsored entities	$	302,292	$	255	$	(665	)	$	301,882
Agency residential mortgage-backed securities (MBS)		208,046		1,407		(6,909	)		202,544
Non-agency residential MBS		354		16		-			370
Non-agency commercial MBS		2,383		5		(9	)		2,379
Obligations of states and political subdivisions		148,705		8,861		(57	)		157,509
Asset-backed securities		2,025		-		(22	)		2,003
FHLMC(1) and FNMA(2) stock		775		3,554		-			4,329
Corporate securities		902,308		882		(6,821	)		896,369
Other securities		2,039		952		(160	)		2,831
Total	$	1,568,927	$	15,932	$	(14,643	)	$	1,570,216

⁽¹⁾ Federal Home Loan Mortgage Corporation

⁽²⁾ Federal National Mortgage Association

An analysis of the amortized cost, gross unrecognized gains and losses, and fair value of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity At December 31, 2015
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	764	$	-	$	-		$	764
Agency residential MBS		595,503		1,810		(4,966	)		592,347
Non-agency residential MBS		9,667		185		-			9,852
Agency commercial MBS		16,258		20		(274	)		16,004
Obligations of states and political subdivisions		693,883		13,638		(789	)		706,732
Total	$	1,316,075	$	15,653	$	(6,029	)	$	1,325,699

The amortized cost and fair value of investment securities by contractual maturity are shown in the following tables at the dates indicated:

	At March 31, 2016
	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Maturity in years:
1 year or less	$	126,563	$	126,929	$	22,825	$	23,380
Over 1 to 5 years		983,838		984,709		269,713		273,902
Over 5 to 10 years		257,772		265,730		295,674		304,975
Over 10 years		2,073		2,324		111,680		115,484
Subtotal		1,370,246		1,379,692		699,892		717,741
MBS		201,383		199,924		658,247		664,067
Other securities		2,811		6,354		-		-
Total	$	1,574,440	$	1,585,970	$	1,358,139	$	1,381,808

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Securities available for sale at March 31, 2016 with maturity dates over one year but less than five years include $221,924  thousand (fair value) of securities of U.S. Government sponsored entities with call options on dates within one year or less.

	At December 31, 2015
	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Maturity in years:
1 year or less	$	136,717	$	136,976	$	20,709	$	21,354
Over 1 to 5 years		1,049,786		1,044,453		259,556		262,163
Over 5 to 10 years		166,352		173,585		289,568		296,352
Over 10 years		2,475		2,749		124,814		127,627
Subtotal		1,355,330		1,357,763		694,647		707,496
MBS		210,783		205,293		621,428		618,203
Other securities		2,814		7,160		-		-
Total	$	1,568,927	$	1,570,216	$	1,316,075	$	1,325,699

Expected maturities of mortgage-related securities can differ from contractual maturities because borrowers have the right to call or prepay obligations with or without call or prepayment penalties. In addition, such factors as prepayments and interest rates may affect the yield on the carrying value of mortgage-related securities. At March 31, 2016 and December 31, 2015, the Company had no high-risk collateralized mortgage obligations as defined by regulatory guidelines.

An analysis of the gross unrealized losses of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale At March 31, 2016
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses
	($ in thousands)
Securities of U.S. Government sponsored entities		2	$	39,801	$	(158	)		-	$	-	$	-			2	$	39,801	$	(158	)
Agency residential MBS		1		7,033		(84	)		30		158,762		(2,847	)		31		165,795		(2,931	)
Non-agency commercial MBS		-		-		-			1		837		(5	)		1		837		(5	)
Obligations of states and political subdivisions		4		2,291		(14	)		3		1,118		(27	)		7		3,409		(41	)
Asset-backed securities		-		-		-			1		1,658		(22	)		1		1,658		(22	)
Corporate securities		40		198,880		(1,559	)		43		162,806		(2,160	)		83		361,686		(3,719	)
Other securities		-		-		-			1		1,860		(140	)		1		1,860		(140	)
Total		47	$	248,005	$	(1,815	)		79	$	327,041	$	(5,201	)		126	$	575,046	$	(7,016	)

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An analysis of gross unrecognized losses of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity At March 31, 2016
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses
	($ in thousands)
Agency residential MBS		6	$	13,853	$	(58	)		8	$	34,193	$	(346	)		14	$	48,046	$	(404	)
Non-agency residential MBS		1		1,366		(2	)		-		-		-			1		1,366		(2	)
Agency commercial MBS		-		-		-			2		13,823		(295	)		2		13,823		(295	)
Obligations of states and political subdivisions		30		26,386		(113	)		18		15,044		(158	)		48		41,430		(271	)
Total		37	$	41,605	$	(173	)		28	$	63,060	$	(799	)		65	$	104,665	$	(972	)

The unrealized losses on the Company’s investment securities were caused by market conditions for these types of investments, particularly changes in risk-free interest rates. The Company evaluates securities on a quarterly basis including changes in security ratings issued by ratings agencies, changes in the financial condition of the issuer, and, for mortgage-backed and asset-backed securities, delinquency and loss information with respect to the underlying collateral, changes in the levels of subordination for the Company’s particular position within the repayment structure and remaining credit enhancement as compared to expected credit losses of the security. Substantially all of these securities continue to be investment grade rated by a major rating agency. In addition to monitoring credit rating agency evaluations, Management performs its own evaluations regarding the credit worthiness of the issuer or the securitized assets underlying asset backed securities.

The Company does not intend to sell any investments and has concluded that it is more likely than not that it will not be required to sell the investments prior to recovery of the amortized cost basis. Therefore, the Company does not consider these investments to be other-than-temporarily impaired as of March 31, 2016.

The fair values of the investment securities could decline in the future if the general economy deteriorates, inflation increases, credit ratings decline, the issuer’s financial condition deteriorates, or the liquidity for securities declines. As a result, other than temporary impairments may occur in the future.

As of March 31, 2016, $712,412  thousand of investment securities were pledged to secure public deposits and short-term borrowed funds. As of December 31, 2015, $738,865  thousand of investment securities were pledged to secure public deposits and short-term borrowed funds.

An analysis of gross unrealized losses of investment securities available for sale follows:

	Investment Securities Available for Sale At December 31, 2015
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses
	($ in thousands)
Securities of U.S. Government sponsored entities		8	$	121,392	$	(665	)		-	$	-	$	-			8	$	121,392	$	(665	)
Agency residential MBS		2		12,491		(366	)		31		161,296		(6,543	)		33		173,787		(6,909	)
Non-agency commercial MBS		1		1,071		-			1		855		(9	)		2		1,926		(9	)
Obligations of states and political subdivisions		3		2,728		(18	)		4		1,644		(39	)		7		4,372		(57	)
Asset-backed securities		-		-		-			1		2,003		(22	)		1		2,003		(22	)
Corporate securities		97		548,177		(5,442	)		25		86,762		(1,379	)		122		634,939		(6,821	)
Other securities		-		-		-			1		1,840		(160	)		1		1,840		(160	)
Total		111	$	685,859	$	(6,491	)		63	$	254,400	$	(8,152	)		174	$	940,259	$	(14,643	)

- 13 - 

An analysis of gross unrecognized losses of investment securities held to maturity follows:

	Investment Securities Held to Maturity At December 31, 2015
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses
	($ in thousands)
Agency residential MBS		41	$	426,317	$	(3,490	)		13	$	62,041	$	(1,476	)		54	$	488,358	$	(4,966	)
Agency commercial MBS		-		-		-			2		13,951		(274	)		2		13,951		(274	)
Obligations of states and political subdivisions		55		44,585		(249	)		54		42,081		(540	)		109		86,666		(789	)
Total		96	$	470,902	$	(3,739	)		69	$	118,073	$	(2,290	)		165	$	588,975	$	(6,029	)

The following table provides information about the amount of interest income earned on investment securities which is fully taxable and which is exempt from regular federal income tax:

	For the Three Months Ended March 31,
	2016		2015
	(In thousands)
Taxable	$	9,674	$	7,554
Tax-exempt from regular federal income tax		5,620		6,133
Total interest income from investment securities	$	15,294	$	13,687

Note 4: Loans and Allowance for Loan Losses

A summary of the major categories of loans outstanding is shown in the following tables.

	At March 31, 2016
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	341,898		$	515,183		$	2,147	$	109,201		$	341,654		$	1,310,083
Purchased covered loans:
Gross purchased covered loans		-			-			-		2,330			11,352			13,682
Purchased loan discount		-			-			-		-			(18	)		(18	)
Purchased non-covered loans:
Gross purchased non-covered loans		14,447			108,968			960		229			30,929			155,533
Purchased loan discount		(931	)		(3,975	)		-		(23	)		(1,155	)		(6,084	)
Total	$	355,414		$	620,176		$	3,107	$	111,737		$	382,762		$	1,473,196

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- 14 - 

	At December 31, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	368,117		$	517,070		$	2,978	$	117,631		$	346,043		$	1,351,839
Purchased covered loans:
Gross purchased covered loans		-			-			-		2,385			11,828			14,213
Purchased loan discount		-			-			-		(133	)		(19	)		(152	)
Purchased non-covered loans:
Gross purchased non-covered loans		15,620			124,650			973		231			32,454			173,928
Purchased loan discount		(989	)		(4,264	)		-		(23	)		(1,156	)		(6,432	)
Total	$	382,748		$	637,456		$	3,951	$	120,091		$	389,150		$	1,533,396

Changes in the carrying amount of impaired purchased loans were as follows:

	For the Three Months Ended March 31, 2016			For the Year Ended December 31, 2015
Impaired purchased loans	(In thousands)
Carrying amount at the beginning of the period	$	3,887		$	4,672
Reductions during the period		(2,628	)		(785	)
Carrying amount at the end of the period	$	1,259		$	3,887

Changes in the accretable yield for purchased loans were as follows:

	For the Three Months Ended March 31, 2016			For the Year Ended December 31, 2015
Accretable yield:	(In thousands)
Balance at the beginning of the period	$	1,259		$	2,261
Reclassification from nonaccretable difference		1,077			3,051
Accretion		(1,319	)		(4,053	)
Balance at the end of the period	$	1,017		$	1,259
Accretion	$	(1,319	)	$	(4,053	)
Change in FDIC indemnification		694			698
(Increase) in interest income	$	(625	)	$	(3,355	)

The following summarizes activity in the allowance for loan losses:

	Allowance for Loan Losses For the Three Months Ended March 31, 2016
	Commercial			Commercial Real Estate			Construction			Residential Real Estate			Consumer Installment and Other			Purchased Non-covered Loans			Purchased Covered Loans		Unallocated			Total
	(In thousands)
Allowance for loan losses:
Balance at beginning of period	$	9,559		$	4,224		$	177		$	1,801		$	7,080		$	967		$	-	$	5,963		$	29,771
Additions:
Provision		1,214			(2	)		(47	)		(94	)		152			(1,193	)		-		(30	)		-
Deductions:
Chargeoffs		(1,171	)		-			-			-			(1,006	)		-			-		-			(2,177	)
Recoveries		245			15			-			-			457			1,176			-		-			1,893
Net loan (losses) recoveries		(926	)		15			-			-			(549	)		1,176			-		-			(284	)
Total allowance for loan losses	$	9,847		$	4,237		$	130		$	1,707		$	6,683		$	950		$	-	$	5,933		$	29,487

- 15 - 

	Allowance for Loan Losses For the Three Months Ended March 31, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment and Other			Purchased Non-covered Loans			Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Balance at beginning of period	$	5,460		$	4,245		$	644	$	2,241		$	7,717		$	2,120		$	-	$	9,058	$	31,485
Additions:
Provision		(110	)		(137	)		86		(101	)		(281	)		247			-		296		-
Deductions:
Chargeoffs		(60	)		-			-		-			(995	)		(35	)		-		-		(1,090	)
Recoveries		180			15			-		-			590			7			-		-		792
Net loan recoveries (losses)		120			15			-		-			(405	)		(28	)		-		-		(298	)
Total allowance for loan losses	$	5,470		$	4,123		$	730	$	2,140		$	7,031		$	2,339		$	-	$	9,354	$	31,187

The allowance for loan losses and recorded investment in loans were evaluated for impairment as follows:

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment At March 31, 2016
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans		Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	5,831	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	6,416
Collectively evaluated for impairment		4,016		3,652		130		1,707		6,683		950		-		5,933		23,071
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,847	$	4,237	$	130	$	1,707	$	6,683	$	950	$	-	$	5,933	$	29,487
Carrying value of loans:
Individually evaluated for impairment	$	13,388	$	7,516	$	-	$	-	$	-	$	11,733	$	-	$	-	$	32,637
Collectively evaluated for impairment		328,510		507,667		2,147		109,201		341,654		136,658		13,463		-		1,439,300
Purchased loans with evidence of credit deterioration		-		-		-		-		-		1,058		201		-		1,259
Total	$	341,898	$	515,183	$	2,147	$	109,201	$	341,654	$	149,449	$	13,664	$	-	$	1,473,196

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment At December 31, 2015
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans		Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	4,942	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	5,527
Collectively evaluated for impairment		4,617		3,639		177		1,801		7,080		967		-		5,963		24,244
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,559	$	4,224	$	177	$	1,801	$	7,080	$	967	$	-	$	5,963	$	29,771
Carrying value of loans:
Individually evaluated for impairment	$	12,587	$	5,541	$	-	$	-	$	-	$	11,777	$	-	$	-	$	29,905
Collectively evaluated for impairment		355,530		511,529		2,978		117,631		346,043		152,038		13,855		-		1,499,604
Purchased loans with evidence of credit deterioration		-		-		-		-		-		3,681		206		-		3,887
Total	$	368,117	$	517,070	$	2,978	$	117,631	$	346,043	$	167,496	$	14,061	$	-	$	1,533,396

The Bank’s customers are small businesses, professionals and consumers. Given the scale of these borrowers, corporate credit rating agencies do not evaluate the borrowers’ financial condition. The Bank maintains a Loan Review Department which reports directly to the Board of Directors. The Loan Review Department performs independent evaluations of loans and assigns credit risk grades to evaluated loans using grading standards employed by bank regulatory agencies. Loans judged to carry lower-risk attributes are assigned a “pass” grade, with a minimal likelihood of loss. Loans judged to carry higher-risk attributes are referred to as “classified loans,” and are further disaggregated, with increasing expectations for loss recognition, as “substandard,” “doubtful,” and “loss.” Loan Review Department evaluations occur every calendar quarter. If the Bank becomes aware of deterioration in a borrower’s performance or financial condition between Loan Review Department examinations, assigned risk grades are re-evaluated promptly. Credit risk grades assigned by the Loan Review Department are subject to review by the Bank’s regulatory authorities during regulatory examinations.

- 16 - 

The following summarizes the credit risk profile by internally assigned grade:

	Credit Risk Profile by Internally Assigned Grade At March 31, 2016
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans (1)			Total
	(In thousands)
Grade:
Pass	$	321,513	$	492,359	$	2,147	$	106,117	$	340,536	$	133,109		$	11,938		$	1,407,719
Substandard		18,544		22,824		-		3,084		843		22,329			1,744			69,368
Doubtful		1,841		-		-		-		21		18			-			1,880
Loss		-		-		-		-		254		77			-			331
Purchased loan discount		-		-		-		-		-		(6,084	)		(18	)		(6,102	)
Total	$	341,898	$	515,183	$	2,147	$	109,201	$	341,654	$	149,449		$	13,664		$	1,473,196

⁽¹⁾ Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

	Credit Risk Profile by Internally Assigned Grade At December 31, 2015
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans (1)			Total
	(In thousands)
Grade:
Pass	$	353,474	$	496,744	$	2,978	$	114,525	$	344,876	$	149,100		$	12,563		$	1,474,260
Substandard		14,643		20,326		-		3,106		781		24,810			1,650			65,316
Doubtful		-		-		-		-		12		18			-			30
Loss		-		-		-		-		374		-			-			374
Purchased loan discount		-		-		-		-		-		(6,432	)		(152	)		(6,584	)
Total	$	368,117	$	517,070	$	2,978	$	117,631	$	346,043	$	167,496		$	14,061		$	1,533,396

⁽¹⁾ Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

The following tables summarize loans by delinquency and nonaccrual status:

	Summary of Loans by Delinquency and Nonaccrual Status At March 31, 2016
	Current and Accruing		30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		Past Due 90 Days or More and Accruing		Nonaccrual		Total Loans
	(In thousands)
Commercial	$	338,683	$	780	$	308	$	-	$	2,127	$	341,898
Commercial real estate		505,878		715		400		-		8,190		515,183
Construction		2,147		-		-		-		-		2,147
Residential real estate		105,355		2,350		767		-		729		109,201
Consumer installment and other		338,687		2,137		647		183		-		341,654
Total originated loans		1,290,750		5,982		2,122		183		11,046		1,310,083
Purchased non-covered loans		141,930		721		40		77		6,681		149,449
Purchased covered loans		13,635		-		29		-		-		13,664
Total	$	1,446,315	$	6,703	$	2,191	$	260	$	17,727	$	1,473,196

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- 17 - 

	Summary of Loans by Delinquency and Nonaccrual Status At December 31, 2015
	Current and Accruing		30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		Past Due 90 Days or More and Accruing		Nonaccrual		Total Loans
	(In thousands)
Commercial	$	365,450	$	1,777	$	122	$	-	$	768	$	368,117
Commercial real estate		504,970		5,930		726		-		5,444		517,070
Construction		2,978		-		-		-		-		2,978
Residential real estate		115,575		1,202		414		-		440		117,631
Consumer installment and other		341,566		3,263		919		295		-		346,043
Total originated loans		1,330,539		12,172		2,181		295		6,652		1,351,839
Purchased non-covered loans		158,554		589		7		-		8,346		167,496
Purchased covered loans		13,929		132		-		-		-		14,061
Total	$	1,503,022	$	12,893	$	2,188	$	295	$	14,998	$	1,533,396

The following is a summary of the effect of nonaccrual loans on interest income:

	For the Three Months Ended March 31,
	2016			2015
	(In thousands)
Interest income that would have been recognized had the loans performed in accordance with their original terms	$	280		$	311
Less: Interest income recognized on nonaccrual loans		(263	)		(205	)
Total reduction of interest income	$	17		$	106

There were no commitments to lend additional funds to borrowers whose loans were on nonaccrual status at March 31, 2016 and December 31, 2015.

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- 18 - 

The following summarizes impaired loans:

	Impaired Loans At March 31, 2016
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,099	$	2,185	$	-
Commercial real estate		16,069		20,742		-
Construction		271		271		-
Residential real estate		953		984		-
Consumer installment and other		344		451		-
Impaired loans with an allowance recorded:
Commercial		11,634		12,452		5,831
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	13,733	$	14,637	$	5,831
Commercial real estate		20,729		25,851		585
Construction		271		271		-
Residential real estate		953		984		-
Consumer installment and other		344		451		-

	Impaired Loans At December 31, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,917	$	2,979	$	-
Commercial real estate		16,309		21,168		-
Construction		271		271		-
Residential real estate		666		697		-
Consumer installment and other		350		456		-
Impaired loans with an allowance recorded:
Commercial		10,170		10,170		4,942
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	13,087	$	13,149	$	4,942
Commercial real estate		20,969		26,277		585
Construction		271		271		-
Residential real estate		666		697		-
Consumer installment and other		350		456		-

- 19 - 

Impaired loans include troubled debt restructured loans. Impaired loans at March 31, 2016, included $19,645 thousand of restructured loans, $12,114 thousand of which were on nonaccrual status. Impaired loans at December 31, 2015, included $15,712 thousand of restructured loans, $7,464 thousand of which were on nonaccrual status.

	Impaired Loans For the Three Months Ended March 31,
	2016				2015
	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
	(In thousands)
Commercial	$	13,410	$	133	$	12,226	$	146
Commercial real estate		20,849		159		18,318		257
Construction		271		-		917		-
Residential real estate		810		4		860		6
Consumer installment and other		347		6		1,254		6
Total	$	35,687	$	302	$	33,575	$	415

The following table provides information on troubled debt restructurings:

	Troubled Debt Restructurings
	At March 31, 2016
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		7	$	2,568	$	2,156	$	194
Commercial real estate		11		17,587		17,265		585
Residential real estate		1		242		224		-
Total		19	$	20,397	$	19,645	$	779

	Troubled Debt Restructurings
	At December 31, 2015
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	3,138	$	2,802	$	194
Commercial real estate		10		12,927		12,684		-
Residential real estate		1		242		226		-
Total		17	$	16,307	$	15,712	$	194

During the three months ended March 31, 2016, the Company modified three loans with a carrying value of $4,757 thousand that were considered troubled debt restructurings. The concessions granted in the first quarter 2016 consisted of two modifications of payment terms to extend the maturity date to allow for deferred principal repayment and under-market terms and one court order requiring under-market terms. During the three months ended March 31, 2015, the Company modified five loans with a carrying value of $1,736 thousand that were considered troubled debt restructurings. The concessions granted in the first quarter 2015 consisted of modification of payment terms to extend the maturity date to allow for deferred principal repayment and under-market terms. During the three months ended March 31, 2016 and 2015, no troubled debt restructured loans defaulted. A troubled debt restructuring is considered to be in default when payments are ninety days or more past due.

There were no loans restricted due to collateral requirements at March 31, 2016 and December 31, 2015.

There were no loans held for sale at March 31, 2016 and December 31, 2015.

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At March 31, 2016 and December 31, 2015, the Company held total other real estate owned (OREO) of $8,438 thousand net of reserve of $2,102 thousand and $9,264 thousand net of reserve of $1,986 thousand, respectively, of which $-0-  thousand was foreclosed residential real estate properties. The amount of consumer mortgage loans outstanding secured by residential real estate properties for which formal foreclosure proceedings were in process was $-0-  thousand at March 31, 2016 and December 31, 2015.

Note 5: Concentration of Credit Risk

Under the California Financial Code, credit extended to any one person owing to a commercial bank at any one time shall not exceed the following limitations: (a) unsecured loans shall not exceed 15 percent of the sum of the shareholders' equity, allowance for loan losses, capital notes, and debentures of the bank, or (b) secured and unsecured loans in all shall not exceed 25 percent of the sum of the shareholders' equity, allowance for loan losses, capital notes, and debentures of the bank. At March 31, 2016, Westamerica Bank did not have credit extended to any one entity exceeding these limits. At March 31, 2016, Westamerica Bank had 38 lending relationships with aggregate loans exceeding $5 million. The Company has significant credit arrangements that are secured by real estate collateral. In addition to real estate loans outstanding as disclosed in Note 4, the Company had loan commitments related to real estate loans of $60,660 thousand and $61,190 thousand at March 31, 2016 and December 31, 2015, respectively. The Company requires collateral on all real estate loans with loan-to-value ratios at origination generally no greater than 75% on commercial real estate loans and no greater than 80% on residential real estate loans. At March 31, 2016, Westamerica Bank held corporate bonds in 48 issuing entities which exceeded $5 million of each issuer.

Note 6: Other Assets

Other assets consisted of the following:

	At March 31, 2016		At December 31, 2015
	(In thousands)
Cost method equity investments:
Federal Reserve Bank stock (1)	$	14,069	$	14,069
Other investments		201		201
Total cost method equity investments		14,270		14,270
Life insurance cash surrender value		49,607		48,972
Net deferred tax asset		47,069		51,748
Limited partnership investments		14,551		15,259
Interest receivable		18,795		20,174
Prepaid assets		4,732		4,771
Other assets		14,180		10,660
Total other assets	$	163,204	$	165,854

⁽¹⁾ A bank applying for membership in the Federal Reserve System is required to subscribe to stock in the Federal Reserve Bank (FRB) in its district in a sum equal to six percent of the bank’s paid-up capital stock and surplus. One-half of the amount of the bank's subscription shall be paid to the FRB and the remaining half will be subject to call when deemed necessary by the Board of Governors of the Federal Reserve System.

The Company invests in flow-through limited liability entities that manage or invest in affordable housing projects that qualify for low-income housing tax credits. At March 31, 2016, this investment totaled $14,551 thousand and $2,299 thousand of this amount represents outstanding equity capital commitments that are included in other liabilities. At December 31, 2015, this investment totaled $15,259 thousand and $2,299 thousand of this amount represents outstanding equity capital commitments. At March 31, 2016, the $2,299 thousand of outstanding equity capital commitments are expected to be paid as follows, $453 thousand in 2016, $763 thousand in 2017, and $1,083 thousand in 2018, or thereafter.

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The amounts recognized in net income for these investments include:

	For the Three Months Ended March 31,
	2016		2015
	(In thousands)
Investment loss included in pre-tax income	$	675	$	675
Tax credits recognized in provision for income taxes		598		658

Note 7: Goodwill and Identifiable Intangible Assets

The Company has recorded goodwill and other identifiable intangibles associated with purchase business combinations. Goodwill is not amortized, but is evaluated for impairment at least annually. The Company did not recognize impairment during the three months ended March 31, 2016 and year ended December 31, 2015. Identifiable intangibles are amortized to their estimated residual values over their expected useful lives. Such lives and residual values are also periodically reassessed to determine if any amortization period adjustments are indicated. During the three months ended March 31, 2016 and year ended December 31, 2015, no such adjustments were recorded.

The carrying values of goodwill were:

	At March 31, 2016		At December 31, 2015
	(In thousands)
Goodwill	$	121,673	$	121,673

The gross carrying amount of identifiable intangible assets and accumulated amortization was:

	At March 31, 2016					At December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(47,628	)	$	56,808	$	(46,782	)
Merchant Draft Processing Intangible		10,300		(9,954	)		10,300		(9,895	)
Total Identifiable Intangible Assets	$	67,108	$	(57,582	)	$	67,108	$	(56,677	)

As of March 31, 2016, the current period and estimated future amortization expense for identifiable intangible assets was:

	Merchant Core Deposit Intangibles		Draft Processing Intangible		Total
	(In thousands)
For the Three Months ended March 31, 2016 (actual)	$	846	$	59	$	905
Estimate for year ended December 31, 2016		3,292		212		3,504
2017		2,913		164		3,077
2018		1,892		29		1,921
2019		538		-		538
2020		287		-		287

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Note 8: Deposits and Borrowed Funds

The following table provides additional detail regarding deposits.

	Deposits
	At March 31, 2016		At December 31, 2015
	(In thousands)
Noninterest-bearing	$	1,989,010	$	2,026,049
Interest-bearing:
Transaction		855,008		860,706
Savings		1,393,919		1,366,936
Time deposits less than $100 thousand		147,699		150,780
Time deposits $100 thousand through $250 thousand		93,460		96,971
Time deposits more than $250 thousand		37,654		39,217
Total deposits	$	4,516,750	$	4,540,659

Demand deposit overdrafts of $2,951  thousand and $3,038  thousand were included as loan balances at March 31, 2016 and December 31, 2015, respectively. Interest expense for aggregate time deposits with individual account balances in excess of $100 thousand was $137 thousand in the first quarter 2016 and $197 thousand in the first quarter 2015.

The following table provides additional detail regarding short-term borrowed funds.

	Repurchase Agreements (Sweep) Accounted for as Secured Borrowings
	At March 31, 2016		At December 31, 2015
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous
Repurchase agreements:	(In thousands)
Collateral securing borrowings:
Securities of U.S. Government sponsored entities	$	99,343	$	98,969
Obligations of states and political subdivisions		3,250		3,975
Corporate securities		49,715		54,681
Total collateral carrying value	$	152,308	$	157,625
Total short-term borrowed funds	$	52,451	$	53,028

The $35,000 thousand unsecured line of credit expired, with no outstanding balance, March 18, 2016 and was not renewed. There was no outstanding balance atDecember 31, 2015.

Note 9: Fair Value Measurements

The Company uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. Available for sale investment securities are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record at fair value other assets on a nonrecurring basis, such as other real estate owned, impaired loans, certain loans held for investment, investment securities held to maturity, and other assets. These nonrecurring fair value adjustments typically involve the lower-of-cost-or-fair value accounting of individual assets.

In accordance with the Fair Value Measurement and Disclosure topic of the Codification, the Company bases its fair values on the price that would be received to sell an asset or paid to transfer a liability in the principal market or most advantageous market for an asset or liability in an orderly transaction between market participants on the measurement date under current market conditions. A fair value measurement reflects all of the assumptions that market participants would use in pricing the asset or liability, including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset, and the risk of nonperformance.

The Company groups its assets and liabilities measured at fair value into a three-level hierarchy, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. When the valuation assumptions used to measure the fair value of the asset or liability are categorized within different levels of the fair value hierarchy, the asset or liability is categorized in its entirety within the lowest level of the hierarchy. These levels are:

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Level 1 – Valuation is based upon quoted prices for identical instruments traded in active exchange markets, such as the New York Stock Exchange. Level 1 includes U.S. Treasury and equity securities, which are traded by dealers or brokers in active markets. Valuations are obtained from readily available pricing sources for market transactions involving identical assets or liabilities.

Level 2 – Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. Level 2 includes federal agency securities, mortgage-backed securities, corporate securities, asset-backed securities, and municipal bonds.

Level 3 – Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect the Company’s estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques.

The Company relies on independent vendor pricing services to measure fair value for investment securities available for sale and investment securities held to maturity. The Company employs three pricing services. To validate the pricing of these vendors, the Company compares vendors’ pricing for each of the securities for consistency; significant pricing differences, if any, are evaluated using all available independent quotes with the quote closely affecting the market generally used as the fair value estimate. In addition, the Company conducts “other than temporary impairment (OTTI)” analysis on a quarterly basis; securities selected for OTTI analysis include all securities at a market price below 95 percent of par value or with a market to book ratio below 95:100. As with any valuation technique used to estimate fair value, changes in underlying assumptions used could significantly affect the results of current and future values. Accordingly, these fair value estimates may not be realized in an actual sale of the securities.

The Company regularly reviews the valuation techniques and assumptions used by its vendors and determines which valuation techniques are utilized based on observable market inputs for the type of securities being measured. The Company uses the information to determine the placement in the fair value hierarchy as level 1, 2 or 3. When the Company changes its valuation assumptions for measuring financial assets and financial liabilities at fair value, either due to changes in current market conditions or other factors, or reevaluates the valuation techniques and assumptions used by its vendors, it may need to transfer those assets or liabilities to another level in the hierarchy based on the new information. The Company recognizes these transfers at the end of the reporting period that the transfers occur. For the three months ended March 31, 2016 and 2015, there were no transfers in or out of levels 1, 2 or 3. During the quarter ended June 30, 2015, the Company reevaluated the valuation techniques and assumptions used by its vendors in valuing the Company’s available for sale securities, and based on the evaluation, transferred $437,715 thousand out of level 1 and transferred $437,715 thousand into level 2. There were no transfers into level 1 or into or out of level 3. Subsequent to June 30, 2015 and through the year ended December 31, 2015, there were no transfers into or out of levels 1, 2 or 3.

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Assets Recorded at Fair Value on a Recurring Basis

The tables below present assets measured at fair value on a recurring basis on the dates indicated.

	At March 31, 2016
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
Securities of U.S. Government sponsored entities	$	360,729	$	-	$	360,729	$	-
Agency residential MBS		197,269		-		197,269		-
Non-agency residential MBS		353				353		-
Non-agency commercial MBS		2,302		-		2,302		-
Obligations of states and political subdivisions		148,558		-		148,558		-
Asset-backed securities		1,658		-		1,658		-
FHLMC and FNMA stock		3,791		6		3,785		-
Corporate securities		868,747		-		868,747		-
Other securities		2,563		703		1,860		-
Total securities available for sale	$	1,585,970	$	709	$	1,585,261	$	-

	At December 31, 2015
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
Securities of U.S. Government sponsored entities	$	301,882	$	-	$	301,882	$	-
Agency residential MBS		202,544		-		202,544		-
Non-agency residential MBS		370				370		-
Non-agency commercial MBS		2,379		-		2,379		-
Obligations of states and political subdivisions		157,509		-		157,509		-
Asset-backed securities		2,003		-		2,003		-
FHLMC and FNMA stock		4,329		7		4,322		-
Corporate securities		896,369		-		896,369		-
Other securities		2,831		991		1,840		-
Total securities available for sale	$	1,570,216	$	998	$	1,569,218	$	-

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Assets Recorded at Fair Value on a Nonrecurring Basis

The Company may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis in accordance with GAAP. These adjustments to fair value usually result from application of lower-of-cost or fair-value accounting of individual assets. For assets measured at fair value on a nonrecurring basis that were recorded in the balance sheet at March 31, 2016 and December 31, 2015, the following table provides the level of valuation assumptions used to determine each adjustment and the carrying value of the related assets at period end.

	At March 31, 2016								For the Three Months Ended March 31, 2016
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	8,438	$	-	$	-	$	8,438	$	(126	)
Impaired loans		16,208		-		-		16,208		(814	)
Total assets measured at fair value on a nonrecurring basis	$	24,646	$	-	$	-	$	24,646	$	(940	)

	At December 31, 2015								For the Year Ended December 31, 2015
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	9,264	$	-	$	-	$	9,264	$	(320	)
Impaired loans		15,633		-		-		15,633		(449	)
Total assets measured at fair value on a nonrecurring basis	$	24,897	$	-	$	-	$	24,897	$	(769	)

Level 3 – Valuation is based upon independent market prices, estimated liquidation values of loan collateral or appraised value of the collateral as determined by third-party independent appraisers, less 10% for selling costs, generally. Level 3 includes other real estate owned that has been measured at fair value upon transfer to foreclosed assets and impaired loans collateralized by real property and other business asset collateral where a specific reserve has been established or a chargeoff has been recorded. Losses on other real estate owned represent losses recognized in earnings during the period subsequent to its initial classification as foreclosed assets. The unobservable inputs and qualitative information about the unobservable inputs are not presented due to the unavailability from third party evaluators.

Disclosures about Fair Value of Financial Instruments

The following section describes the valuation methodologies used by the Company for estimating fair value of financial instruments not recorded at fair value in the balance sheet.

Cash and Due from Banks Cash and due from banks represent U.S. dollar denominated coin and currency, deposits at the Federal Reserve Bank and correspondent banks, and amounts being settled with other banks to complete the processing of customers’ daily transactions. Collectively, the Federal Reserve Bank and financial institutions operate in a market in which cash and due from banks transactions are processed continuously in significant daily volumes honoring the face value of the U.S. dollar.

Investment Securities Held to Maturity The fair values of investment securities were estimated using quoted prices as described above for Level 2 valuation.

Loans Loans were separated into two groups for valuation. Variable rate loans, except for those described below, which reprice frequently with changes in market rates were valued using historical cost. Fixed rate loans and variable rate loans that have reached their minimum contractual interest rates were valued by discounting the future cash flows expected to be received from the loans using current interest rates charged on loans with similar characteristics. Additionally, the allowance for loan losses of $29,487 thousand at March 31, 2016 and $29,771 thousand at December 31, 2015 and the purchased loan discount associated with purchased covered and purchased non-covered loans of $18 thousand and $6,084 thousand, respectively at March 31, 2016 and $152 thousand and $6,432 thousand, respectively at December 31, 2015 were applied against the estimated fair values to recognize estimated future defaults of contractual cash flows. The Company does not consider these values to be a liquidation price for the loans.

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Deposit Liabilities Deposits with no stated maturity such as checking accounts, savings accounts and money market accounts can be readily converted to cash or used to settle transactions at face value through the broad financial system operated by the Federal Reserve Bank and financial institutions. The fair value of deposits with no stated maturity is equal to the amount payable on demand. The fair values of time deposits were estimated by discounting estimated future contractual cash flows using current market rates for financial instruments with similar characteristics.

Short-Term Borrowed Funds The carrying amount of securities sold under agreement to repurchase and other short-term borrowed funds approximate fair value due to the relatively short period of time between their origination and their expected realization.

The table below is a summary of fair value estimates for financial instruments and the level of the fair value hierarchy within which the fair value measurements are categorized, excluding financial instruments recorded at fair value on a recurring basis. The values assigned do not necessarily represent amounts which ultimately may be realized for assets or paid to settle liabilities. In addition, these values do not give effect to adjustments to fair value which may occur when financial instruments are sold or settled in larger quantities. The carrying amounts in the following table are recorded in the balance sheet under the indicated captions.

The Company has not included assets and liabilities that are not financial instruments, such as goodwill, long-term relationships with deposit, merchant processing and trust customers, other purchased intangibles, premises and equipment, deferred taxes and other assets and liabilities. The total estimated fair values do not represent, and should not be construed to represent, the underlying value of the Company.

	At March 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:		(In thousands)
Cash and due from banks	$	471,164	$	471,164	$	471,164	$	-	$	-
Investment securities held to maturity		1,358,139		1,381,808		-		1,381,808		-
Loans		1,443,709		1,464,418		-		-		1,464,418
Financial Liabilities:
Deposits	$	4,516,750	$	4,515,926	$	-	$	4,237,937	$	277,989
Short-term borrowed funds		52,451		52,451		-		52,451		-

	At December 31, 2015
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:	(In thousands)
Cash and due from banks	$	433,044	$	433,044	$	433,044	$	-	$	-
Investment securities held to maturity		1,316,075		1,325,699		-		1,325,699		-
Loans		1,503,625		1,517,394		-		-		1,517,394
Financial Liabilities:
Deposits	$	4,540,659	$	4,539,455	$	-	$	4,253,691	$	285,764
Short-term borrowed funds		53,028		53,028		-		53,028		-

The majority of the Company’s standby letters of credit and other commitments to extend credit carry current market interest rates if converted to loans. No premium or discount was ascribed to these commitments because virtually all funding would be at current market rates.

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Note 10: Commitments and Contingent Liabilities

Loan commitments are agreements to lend to a customer provided there is no violation of any condition established in the agreement. Commitments generally have fixed expiration dates or other termination clauses. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future funding requirements. Loan commitments are subject to the Company’s normal credit policies and collateral requirements. Unfunded loan commitments were $321,077 thousand and $299,884 thousand at March 31, 2016 and December 31, 2015, respectively. Standby letters of credit commit the Company to make payments on behalf of customers when certain specified future events occur. Standby letters of credit are primarily issued to support customers’ short-term financing requirements and must meet the Company’s normal credit policies and collateral requirements. Financial and performance standby letters of credit outstanding totaled $23,581 thousand and $26,149 thousand at March 31, 2016 and December 31, 2015, respectively. The Company also had commitments for commercial and similar letters of credit of $-0- thousand at March 31, 2016 and $40 thousand at December 31, 2015. At March 31, 2016 and December 31, 2015, the Company had a reserve for unfunded commitments of $2,593 thousand, included in other liabilities.

Due to the nature of its business, the Company is subject to various threatened or filed legal cases. Based on the advice of legal counsel, the Company does not expect such cases will have a material, adverse effect on its financial position or results of operations. Legal liabilities are accrued when obligations become probable and the amount is reasonably estimable.

Note 11: Earnings Per Common Share

The table below shows earnings per common share and diluted earnings per common share. Basic earnings per common share are computed by dividing net income by the average number of common shares outstanding during the period. Diluted earnings per common share are computed by dividing net income by the average number of common shares outstanding during the period plus the impact of common stock equivalents.

	For the Three Months Ended
	March 31,
	2016		2015
	(In thousands, except per share data)
Net income (numerator)	$	14,226	$	14,557
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		25,445		25,651
Basic earnings per common share	$	0.56	$	0.57
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		25,445		25,651
Add common stock equivalents for options		23		4
Weighted average number of common shares outstanding - diluted (denominator)		25,468		25,655
Diluted earnings per common share	$	0.56	$	0.57

For the three months ended March 31, 2016 and 2015, options to purchase 1,297 thousand and 1,775 thousand shares of common stock, respectively, were outstanding but not included in the computation of diluted net income per share because the option exercise price exceeded the fair value of the stock such that their inclusion would have had an anti-dilutive effect.

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WESTAMERICA BANCORPORATION

FINANCIAL SUMMARY

	For the Three Months Ended
	March 31,			March 31,			December 31,
	2016			2015			2015
	(In thousands, except per share data)
Net Interest and Fee Income (FTE)(1)	$	36,447		$	36,930		$	36,734
Provision for Loan Losses		-			-			-
Noninterest Income		11,729			12,300			11,305
Noninterest Expense		25,858			26,727			25,504
Income Before Income Taxes (FTE)(1)		22,318			22,503			22,535
Provision for Income Taxes (FTE)(1)		8,092			7,946			7,957
Net Income	$	14,226		$	14,557		$	14,578
Average Common Shares Outstanding		25,445			25,651			25,528
Average Diluted Common Shares Outstanding		25,468			25,655			25,555
Common Shares Outstanding at Period End		25,438			25,563			25,528
Per Common Share:
Basic Earnings	$	0.56		$	0.57		$	0.57
Diluted Earnings		0.56			0.57			0.57
Book Value Per Common Share	$	21.19		$	20.63		$	20.85
Financial Ratios:
Return On Assets		1.11	%		1.17	%		1.12	%
Return On Common Equity		10.85	%		11.44	%		11.01	%
Net Interest Margin (FTE)(1)		3.34	%		3.43	%		3.32	%
Net Loan Losses to Average Loans		0.08	%		0.07	%		0.07	%
Efficiency Ratio(2)		53.7	%		54.3	%		53.1	%
Average Balances:
Assets	$	5,174,804		$	5,059,537		$	5,168,805
Earning Assets		4,381,423			4,342,031			4,411,599
Loans		1,500,616			1,683,748			1,543,591
Deposits		4,537,548			4,402,946			4,536,256
Shareholders' Equity		527,177			516,086			525,277
Period End Balances:
Assets	$	5,199,868		$	5,035,777		$	5,168,875
Earning Assets		4,417,305			4,476,435			4,419,687
Loans		1,473,196			1,683,884			1,533,396
Deposits		4,516,750			4,380,076			4,540,659
Shareholders' Equity		538,973			527,380			532,205
Capital Ratios at Period End:
Total Risk Based Capital		13.51	%		13.08	%		13.39	%
Tangible Equity to Tangible Assets		8.04	%		8.01	%		7.94	%
Dividends Paid Per Common Share	$	0.39		$	0.38		$	0.39
Common Dividend Payout Ratio		70	%		67	%		68	%

The above financial summary has been derived from the Company's unaudited consolidated financial statements. This information should be read in conjunction with those statements, notes and the other information included elsewhere herein. Percentages under the heading "Financial Ratios" are annualized with the exception of the efficiency ratio.

⁽¹⁾ Yields on securities and certain loans have been adjusted upward to an FTE basis, which is a non-GAAP financial measure, in order to reflect the effect of income which is exempt from federal income taxation at the current statutory tax rate.

⁽²⁾ The efficiency ratio is defined as noninterest expense divided by total revenue (net interest income on an FTE basis, which is a non-GAAP financial measure, and noninterest income).

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

Westamerica Bancorporation and subsidiaries’ (the “Company’s”) principal source of revenue is net interest and fee income, which represents interest earned on loans and investment securities (“interest-earning assets”) reduced by interest paid on deposits and other borrowings (“interest-bearing liabilities”). The relatively low level of market interest rates has reduced the spread between interest rates on earning assets and interest bearing liabilities. The Company’s net interest margin and net interest income declined as market interest rates on newly originated loans remain below the yields earned on older-dated loans and on the overall loan portfolio. The Company’s loan portfolio has declined from the first quarter 2015 through the first quarter 2016; Management has been avoiding long-dated, low-yielding loans given historically low interest rates. Management has also maintained, in their opinion, conservative loan underwriting, terms and conditions. During this period, the investment portfolio has grown. The Company has been reducing its exposure to rising interest rates by purchasing shorter-duration investment securities, which have lower yields than longer-duration securities. The changing composition of interest earning assets and low market interest rates has pressured the net interest margin on a fully taxable equivalent (“FTE”) basis. The net interest margin in the first quarter 2016 increased from the fourth quarter 2015 reflecting the Federal Open Market Committee’s (“FOMC”s) 0.25 percent increase in the federal funds rate on December 16, 2015, which increased yields on loans and investment securities with floating rates. In the first quarter 2016 the Company’s average checking and savings deposits were 6 percent higher than in the first quarter 2015. The growth in lower-costing deposit products contributed to lowering the funding cost from 0.06 percent in the first quarter 2015 to 0.05 percent in the first quarter 2016. Management is focused on controlling all noninterest expense levels, particularly due to market interest rate pressure on net interest income.

The Company presents its net interest margin and net interest income on a FTE basis using the current statutory federal tax rate, which is a non-generally accepted accounting principles (GAAP) financial measure. Management believes the FTE basis is valuable to the reader because the Company’s loan and investment securities portfolios contain a relatively large portion of municipal loans and securities that are federally tax exempt. The Company’s tax exempt loans and securities composition may not be similar to that of other banks, therefore in order to reflect the impact of the federally tax exempt loans and securities on the net interest margin and net interest income for comparability with other banks, the Company presents its net interest margin and net interest income on a FTE basis.

The Company’s significant accounting policies (see Note 1 (“Summary Significant Accounting Policies”) to Financial Statements in the Company’s 2015 Form 10-K) are fundamental to understanding the Company’s results of operations and financial condition. There have been no changes to the Company’s significant accounting policies during the first quarter of 2016.

The Company reported first quarter 2016 net income of $14.2 million or $0.56 diluted earnings per common share. These results compare to net income of $14.6 million or $0.57 diluted earnings per common share and $14.6 million or $0.57 diluted earnings per common share for both the first and fourth quarters 2015.

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Net Income

Following is a summary of the components of net income for the periods indicated:

	For the Three Months Ended
	March 31,						December 31,
	2016			2015			2015
	(In thousands, except per share data)
Net interest and loan fee income (FTE)	$	36,447		$	36,930		$	36,734
Provision for loan losses		-			-			-
Noninterest income		11,729			12,300			11,305
Noninterest expense		25,858			26,727			25,504
Income  before taxes (FTE)		22,318			22,503			22,535
Income tax provision (FTE)		8,092			7,946			7,957
Net income	$	14,226		$	14,557		$	14,578
Average diluted common shares		25,468			25,655			25,555
Diluted earnings per common share	$	0.56		$	0.57		$	0.57
Average total assets	$	5,174,804		$	5,059,537		$	5,168,805
Net income to average total assets (annualized)		1.11	%		1.17	%		1.12	%
Net income to average common shareholders' equity (annualized)		10.85	%		11.44	%		11.01	%

Net income for the first quarter of 2016 was $331 thousand less than the same quarter of 2015, the net result of lower net interest and loan fee income (FTE), lower noninterest income and higher income tax provision (FTE), partially offset by lower noninterest expense. A decrease in net interest and fee income (FTE) was mostly attributed to lower average balances of loans and lower composite yield on investments, partially offset by higher average balances of investments and the effect of one additional accrual day. The provision for loan losses remained zero, reflecting Management's evaluation of losses inherent in the loan portfolio. Noninterest income decreased primarily due to reduced levels of service charges on deposit accounts and lower merchant credit card fees. Noninterest expense decreased mostly due to lower salaries and related benefit expense caused by employee attrition, occupancy cost reductions from branch closures, and lower expense for foreclosed properties. The income tax provision (FTE) was higher in the first quarter 2016 due to reduced levels of federally tax-exempt income on interest-earning assets relative to pre-tax income, and lower tax credits.

Comparing the first quarter of 2016 with the fourth quarter of 2015, net income decreased $352 thousand due to lower net interest and loan fee income (FTE), higher noninterest expense and higher income tax provision (FTE), partially offset by higher noninterest income. The lower net interest and fee income (FTE) was primarily caused by lower average balances of loans and the effect of one less accrual day, partially offset by higher average balances of investments and the effect of the FOMC’s 0.25 percent increase in the federal funds rate on December 16, 2015 on interest-earning assets with floating rates. The provision for loan losses remained zero, reflecting Management's evaluation of losses inherent in the loan portfolio. Noninterest income increased primarily due to higher merchant credit card fees. Noninterest expense increased mostly due to seasonally high payroll taxes, higher expenses for information technology upgrades, partially offset by cost savings from branch closures. Income tax provision (FTE) increased because the fourth quarter 2015 provision (FTE) was higher in the first quarter 2016 due to reduced levels of federally tax-exempt income on interest-earning assets relative to pre-tax income, and lower tax credits.

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Net Interest and Loan Fee Income (FTE)

Following is a summary of the components of net interest and loan fee income (FTE) for the periods indicated:

	For the Three Months Ended
	March 31,						December 31,
	2016			2015			2015
	(In thousands)
Interest and loan fee income	$	33,647		$	33,917		$	33,888
Interest expense		552			659			563
FTE adjustment		3,352			3,672			3,409
Net interest and loan fee income (FTE)	$	36,447		$	36,930		$	36,734
Average earning assets	$	4,381,423		$	4,342,031		$	4,411,599
Net interest margin (FTE) (annualized)		3.34	%		3.43	%		3.32	%

Net interest and loan fee income (FTE) decreased during the first quarter 2016 by $483 thousand from the same period in 2015, mainly due to lower average balances of loans (down $183 million) and lower yields on investments (down 1 basis point or “bp”), partially offset by higher average balances of investments (up $223 million), higher yields on loans (up 5 bp) and the effect of one additional accrual day.

Comparing the first quarter of 2016 with the fourth quarter of 2015, net interest and loan fee income (FTE) decreased $287 thousand due to lower average balances of loans (down $43 million) and the effect of one less accrual day, partially offset by higher average balances of investments (up $13 million) and higher yields on interest-earning assets (up 2 bp).

Loan volumes have declined due to problem loan workout activities (such as chargeoffs, collateral repossessions and principal payments), particularly with purchased loans, and reduced volumes of loan originations. In Management’s opinion, current levels of competitive loan pricing do not provide adequate forward earnings potential. As a result, the Company has not currently taken an aggressive posture relative to loan portfolio growth. Management has maintained relatively stable interest-earning asset volumes by increasing investment securities as loan volumes have declined.

Yields on interest-earning assets declined due to relatively low interest rates prevailing in the market. The net interest margin (FTE) was 3.34% in the first quarter 2016, 3.43% in the first quarter 2015 and 3.32% in the fourth quarter 2015. The net interest margin (FTE) was affected by declining market interest rates until the FOMC’s 0.25 percent increase in the federal funds rate on December 16, 2015, which increased yields on loans and investment securities with floating rates. The volume of older-dated higher-yielding loans declined due to principal maturities and paydowns. The Company, in anticipation of rising interest rates, has been purchasing floating rate and shorter-duration investment securities with lower yields than longer-duration securities to increase liquidity. The Company’s high levels of liquidity will provide an opportunity to obtain higher yielding assets assuming market interest rates start rising.

The Company has been replacing higher-cost funding sources with low-cost deposits and interest expense has declined to offset some of the decline in interest income. Average balances of time deposits declined $96 million from the first quarter 2015 to first quarter 2016 while lower-cost checking and savings deposits grew 6% in the same period. Average balances of checking and saving deposits accounted for 93.7% of average total deposits in the first quarter 2016 compared with 91.4% and 93.5% in the first and fourth quarters 2015.

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Net Interest Margin (FTE)

The following summarizes the components of the Company's net interest margin for the periods indicated (percentages are annualized.):

	For the Three Months Ended
	March 31,						December 31,
	2016			2015			2015
Yield on earning assets (FTE)		3.39	%		3.49	%		3.37	%
Rate paid on interest-bearing liabilities		0.09	%		0.10	%		0.09	%
Net interest spread (FTE)		3.30	%		3.39	%		3.28	%
Impact of noninterest-bearing funds		0.04	%		0.04	%		0.04	%
Net interest margin (FTE)		3.34	%		3.43	%		3.32	%

During 2015, the net interest margin (FTE) was affected by low market interest rates. The volume of older-dated higher-yielding loans and securities declined due to principal maturities and paydowns. Management has been avoiding long-dated, low-yielding loans given historically low interest rates. Management has also maintained conservative loan underwriting, terms and conditions. During this period, the investment portfolio has grown. The changing composition of interest-earning assets and low market rates has pressured the net interest margin. The increase in the net interest margin from the fourth quarter 2015 to the first quarter 2016 reflects the FOMC’s 0.25% increase in the federal funds rate on December 16, 2015, which increased yields on loans and investment securities which have floating rates. Rates on interest-bearing liabilities were kept low by reducing the volume of higher-cost time deposits.

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Summary of Average Balances, Yields/Rates and Interest Differential

The following tables present information regarding the consolidated average assets, liabilities and shareholders’ equity, the amounts of interest income earned from average interest earning assets and the resulting yields, and the amounts of interest expense incurred on average interest-bearing liabilities and the resulting rates. Average loan balances include nonperforming loans. Interest income includes reversal of previously accrued interest on loans placed on non-accrual status during the period and proceeds from loans on nonaccrual status only to the extent cash payments have been received and applied as interest income and accretion of purchased loan discounts. Yields on tax-exempt securities and loans have been adjusted upward to reflect the effect of income exempt from federal income taxation at the current statutory tax rate. Yields, rates and interest margins are annualized.

Distribution of Assets, Liabilities & Shareholders’ Equity and Yields, Rates & Interest Margin

	For the Three Months Ended March 31, 2016
	Average Balance		Interest Income/ Expense		Yields/ Rates
	($ in thousands)
Assets
Investment securities:
Taxable	$	2,046,547	$	9,674		1.89	%
Tax-exempt (1)		834,260		8,636		4.14	%
Total investments (1)		2,880,807		18,310		2.54	%
Loans:
Taxable		1,429,106		17,726		4.99	%
Tax-exempt (1)		71,510		963		5.41	%
Total loans (1)		1,500,616		18,689		5.01	%
Total Interest-earning assets (1)		4,381,423		36,999		3.39	%
Other assets		793,381
Total assets	$	5,174,804
Liabilities and shareholders' equity
Noninterest-bearing demand	$	1,993,986	$	-		-	%
Savings and interest-bearing transaction		2,259,681		293		0.05	%
Time less than $100,000		160,190		113		0.28	%
Time $100,000 or more		123,691		137		0.44	%
Total interest-bearing deposits		2,543,562		543		0.09	%
Short-term borrowed funds		57,846		9		0.07	%
Total interest-bearing liabilities		2,601,408		552		0.09	%
Other liabilities		52,233
Shareholders' equity		527,177
Total liabilities and shareholders' equity	$	5,174,804
Net interest spread (1) (2)						3.30	%
Net interest and fee income and interest margin (1) (3)			$	36,447		3.34	%

⁽¹⁾ Amounts calculated on an FTE basis using the current statutory federal tax rate.

⁽²⁾ Net interest spread represents the average yield earned on interest-earning assets less the average rate incurred on interest-bearing liabilities.

⁽³⁾ Net interest margin is computed by calculating the difference between interest income and expense, divided by the average balance of interest-earning assets. The net interest margin is greater than the net interest spread due to the benefit of noninterest-bearing demand deposits.

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Distribution of Assets, Liabilities & Shareholders’ Equity and Yields, Rates & Interest Margin

	For the Three Months Ended March 31, 2015
	Average Balance		Interest Income/ Expense		Yields/ Rates
	($ in thousands)
Assets
Investment securities:
Taxable	$	1,788,223	$	7,554		1.69	%
Tax-exempt (1)		870,060		9,422		4.33	%
Total investments (1)		2,658,283		16,976		2.55	%
Loans:
Taxable		1,604,842		19,517		4.93	%
Tax-exempt (1)		78,906		1,096		5.63	%
Total loans (1)		1,683,748		20,613		4.96	%
Total interest-earning assets (1)		4,342,031		37,589		3.49	%
Other assets		717,506
Total assets	$	5,059,537
Liabilities and shareholders' equity
Deposits:
Noninterest-bearing demand	$	1,919,820	$	-		-	%
Savings and interest-bearing transaction		2,103,115		279		0.05	%
Time less than $100,000		180,760		166		0.37	%
Time $100,000 or more		199,251		197		0.40	%
Total interest-bearing deposits		2,483,126		642		0.10	%
Short-term borrowed funds		86,354		16		0.08	%
Federal Home Loan Bank advances		2,004		1		0.20	%
Total interest-bearing liabilities		2,571,484		659		0.10	%
Other liabilities		52,147
Shareholders' equity		516,086
Total liabilities and shareholders' equity	$	5,059,537
Net interest spread (1) (2)						3.39	%
Net interest and fee income and interest margin (1) (3)			$	36,930		3.43	%

⁽¹⁾ Amounts calculated on an FTE basis using the current statutory federal tax rate.

⁽²⁾ Net interest spread represents the average yield earned on interest-earning assets less the average rate incurred on interest-bearing liabilities.

⁽³⁾ Net interest margin is computed by calculating the difference between interest income and expense, divided by the average balance of interest-earning assets. The net interest margin is greater than the net interest spread due to the benefit of noninterest-bearing demand deposits.

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Distribution of Assets, Liabilities & Shareholders’ Equity and Yields, Rates & Interest Margin

	For the Three Months Ended December 31, 2015
	Average Balance		Interest Income/ Expense		Yields/ Rates
	($ in thousands)
Assets
Investment securities:
Taxable	$	2,035,421	$	9,406		1.85	%
Tax-exempt (1)		832,587		8,734		4.20	%
Total investments (1)		2,868,008		18,140		2.53	%
Loans:
Taxable		1,470,845		18,130		4.89	%
Tax-exempt (1)		72,746		1,027		5.60	%
Total loans (1)		1,543,591		19,157		4.93	%
Total interest-earning assets (1)		4,411,599		37,297		3.37	%
Other assets		757,206
Total assets	$	5,168,805
Liabilities and shareholders' equity
Deposits:
Noninterest-bearing demand	$	2,036,470	$	-		-	%
Savings and interest-bearing transaction		2,206,732		288		0.05	%
Time less than $100,000		164,351		122		0.29	%
Time $100,000 or more		128,703		144		0.44	%
Total interest-bearing deposits		2,499,786		554		0.09	%
Short-term borrowed funds		54,661		9		0.06	%
Total interest-bearing liabilities		2,554,447		563		0.09	%
Other liabilities		52,611
Shareholders' equity		525,277
Total liabilities and shareholders' equity	$	5,168,805
Net interest spread (1) (2)						3.28	%
Net interest and fee income and interest margin (1) (3)			$	36,734		3.32	%

⁽¹⁾ Amounts calculated on an FTE basis using the current statutory federal tax rate.

⁽²⁾ Net interest spread represents the average yield earned on interest-earning assets less the average rate incurred on interest-bearing liabilities.

⁽³⁾ Net interest margin is computed by calculating the difference between interest income and expense, divided by the average balance of interest-earning assets. The net interest margin is greater than the net interest spread due to the benefit of noninterest-bearing demand deposits.

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Summary of Changes in Interest Income and Expense due to Changes in Average Asset & Liability Balances and Yields Earned & Rates Paid

The following tables set forth a summary of the changes in interest income and interest expense due to changes in average assets and liability balances (volume) and changes in average interest yields/rates for the periods indicated. Changes not solely attributable to volume or yields/rates have been allocated in proportion to the respective volume and yield/rate components.

Summary of Changes in Interest Income and Expense

	For the Three Months Ended March 31, 2016
	Compared with
	For the Three Months Ended March 31, 2015
	Volume			Yield/Rate			Total
	(In thousands)
Increase (decrease) in interest and loan fee income:
Investment securities:
Taxable	$	1,091		$	1,029		$	2,120
Tax-exempt (1)		(388	)		(398	)		(786	)
Total investments (1)		703			631			1,334
Loans:
Taxable		(2,008	)		217			(1,791	)
Tax-exempt (1)		(97	)		(36	)		(133	)
Total loans (1)		(2,105	)		181			(1,924	)
Total (decrease) increase in interest and loan fee income (1)		(1,402	)		812			(590	)
Increase (decrease) in interest expense:
Deposits:
Savings and interest-bearing transaction		23			(9	)		14
Time less than $100,000		(19	)		(34	)		(53	)
Time $100,000 or more		(74	)		14			(60	)
Total interest-bearing deposits		(70	)		(29	)		(99	)
Short-term borrowed funds		(5	)		(2	)		(7	)
Federal Home Loan Bank advances		(1	)		-			(1	)
Total decrease in interest expense		(76	)		(31	)		(107	)
(Decrease) increase in net interest and loan fee income (1)	$	(1,326	)	$	843		$	(483	)

⁽¹⁾ Amounts calculated on an FTE basis using the current statutory federal tax rate.

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Summary of Changes in Interest Income and Expense

	For the Three Months Ended March 31, 2016
	Compared with
	For the Three Months Ended December 31, 2015
	Volume			Yield/Rate			Total
	(In thousands)
Increase (decrease) in interest and loan fee income:
Investment securities:
Taxable	$	51		$	217		$	268
Tax-exempt (1)		18			(116	)		(98	)
Total investments (1)		69			101			170
Loans:
Taxable		(655	)		251			(404	)
Tax-exempt (1)		(22	)		(42	)		(64	)
Total loans (1)		(677	)		209			(468	)
Total (decrease) increase in interest and loan fee income (1)		(608	)		310			(298	)
Increase (decrease) in interest expense:
Deposits:
Savings and interest-bearing transaction		4			1			5
Time less than $100,000		(4	)		(5	)		(9	)
Time $100,000 or more		(7	)		0			(7	)
Total interest-bearing deposits		(7	)		(4	)		(11	)
Short-term borrowed funds		-			-			-
Total decrease in interest expense		(7	)		(4	)		(11	)
(Decrease) increase in net interest and loan fee income (1)	$	(601	)	$	314		$	(287	)

⁽¹⁾ Amounts calculated on an FTE basis using the current statutory federal tax rate.

Provision for Loan Losses

The Company manages credit costs by consistently enforcing, in management’s opinion, conservative underwriting and administration procedures and aggressively pursuing collection efforts with debtors experiencing financial difficulties. The provision for loan losses reflects Management's assessment of credit risk in the loan portfolio during each of the periods presented.

The Company provided no provision for loan losses in the first quarter of 2016 and the first and fourth quarters of 2015. The provision for loan losses is determined based on Management’s evaluation of credit quality for the loan portfolio. The Company recorded purchased County Bank and Sonoma Valley Bank loans at estimated fair value upon the acquisition dates, February 6, 2009 and August 20, 2010, respectively. Such estimated fair values were recognized for individual loans, although small balance homogenous loans were pooled for valuation purposes. The valuation discounts recorded for purchased loans included Management’s assessment of the risk of principal loss under economic and borrower conditions prevailing on the dates of purchase. The purchased County Bank loans secured by single-family residential real estate are “covered” through February 6, 2019 by loss-sharing agreements the Company entered with the FDIC which mitigates losses during the term of the agreements. The FDIC indemnification of purchased County Bank non-single-family residential secured loans expired February 6, 2014. Any deterioration in estimated value related to principal loss subsequent to the acquisition dates requires additional loss recognition through a provision for loan losses. No assurance can be given future provisions for loan losses related to purchased loans will not be necessary. For further information regarding credit risk, the FDIC loss-sharing agreements, net credit losses and the allowance for loan losses, see the “Loan Portfolio Credit Risk” and “Allowance for Loan Losses” sections of this report.

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Noninterest Income

The following table summarizes the components of noninterest income for the periods indicated.

	For the Three Months Ended
	March 31,				December 31,
	2016		2015		2015
	(In thousands)
Service charges on deposit accounts	$	5,248	$	5,707	$	5,259
Merchant processing services		1,529		1,703		1,368
Debit card fees		1,516		1,456		1,557
Trust fees		661		706		671
ATM processing fees		658		585		569
Other service fees		629		665		648
Financial services commissions		156		153		168
Other noninterest income		1,332		1,325		1,065
Total	$	11,729	$	12,300	$	11,305

Noninterest income for the first quarter 2016 declined by $571 thousand or 4.6% from the same period in 2015. Service charges on deposits decreased $459 thousand due to declines in fees charged on overdrawn and insufficient funds accounts (down $232 thousand) and lower fees on analyzed accounts (down $205 thousand). Merchant processing services fees decreased $174 thousand primarily because larger sales relationships with low margins accounted for a significant portion of transaction volumes.

In the first quarter 2016, noninterest income increased $424 thousand or 3.8% compared with the fourth quarter 2015 mostly due to a $161 thousand increase in merchant processing services fees primarily due to the improved margin mix of transaction volumes.

Noninterest Expense

The following table summarizes the components of noninterest expense for the periods indicated.

	For the Three Months Ended
	March 31,				December 31,
	2016		2015		2015
	(In thousands)
Salaries and related benefits	$	13,117	$	13,338	$	12,398
Occupancy		3,398		3,727		3,761
Outsourced data processing services		2,130		2,108		2,107
Furniture and equipment		1,213		1,119		1,081
Amortization of identifiable intangibles		905		1,001		948
Professional fees		732		548		614
Courier service		545		543		585
Other real estate owned		111		315		53
Other noninterest expense		3,707		4,028		3,957
Total	$	25,858	$	26,727	$	25,504

Noninterest expense decreased $869 thousand in the first quarter 2016 compared with the same period in 2015. Salaries and related benefits declined $221 thousand in the first quarter 2016 compared with the same period in 2015 mostly due to employee attrition. Occupancy expense decreased $329 thousand in the first quarter 2016 compared with the same period in 2015 mostly due to branch closures and lease expiration of a non-branch building. Expenses for other real estate owned in the first quarter 2016 included lower net writedowns than in the first quarter 2015. Professional fees increased $184 thousand due to higher legal fees associated with nonperforming assets, partially offset by lower audit fees.

In the first quarter 2016, noninterest expense increased $354 thousand compared with the fourth quarter 2015. Salaries and related benefits increased $719 thousand primarily due to seasonally higher payroll taxes and other employee benefits. Furniture and equipment expense increased $132 thousand mainly due to information technology upgrades. Occupancy expense decreased $363 thousand in the first quarter 2016 compared with the fourth quarter 2015 mostly due to branch closures and lease expiration of a non-branch building.

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Provision for Income Tax

During the first quarter 2016, the Company recorded an income tax provision (FTE) of $8.1 million, compared with $7.9 million and $8.0 million for the first and fourth quarters 2015, respectively. The current quarter provision represents an effective tax rate (FTE) of 36.3%, compared with 35.3% for the first and fourth quarters 2015. The higher effective tax rate (FTE) for the first quarter 2016 was attributable to reduced levels of federally tax-exempt income on interest-earning assets relative to pre-tax income, and lower tax credits.

Investment Portfolio

The Company maintains a securities portfolio consisting of securities issued by U.S. Government sponsored entities, agency and non-agency mortgage backed securities, state and political subdivisions, corporations, and asset-backed and other securities. Investment securities are held in safekeeping by an independent custodian.

Management has increased the investment portfolio in response to deposit growth and loan volume declines. The carrying value of the Company’s investment securities portfolio was $2.9 billion as of March 31, 2016, an increase of $58 million compared to December 31, 2015.

Management continually evaluates the Company’s investment securities portfolio in response to established asset/liability management objectives, changing market conditions that could affect profitability, liquidity, and the level of interest rate risk to which the Company is exposed. These evaluations may cause Management to change the level of funds the Company deploys into investment securities, change the composition of the Company’s investment securities portfolio, and change the proportion of investments allocated into the available for sale and held to maturity investment categories.

The Company’s positioning of the balance sheet for rising interest rates has resulted in the purchase of floating rate corporate bonds, federal agency bonds, mortgage-backed securities, and short-term state and municipal bonds. As of March 31, 2016, substantially all of the Company’s investment securities continue to be investment grade rated by one or more major rating agencies. In addition to monitoring credit rating agency evaluations, Management performs its own evaluations regarding the credit worthiness of the issuer or the securitized assets underlying asset-backed securities.

The Company’s procedures for evaluating investments in securities are in accordance with guidance issued by the Board of Governors of the Federal Reserve System, “Investing in Securities without Reliance on Nationally Recognized Statistical Rating Agencies” (SR 12-15) and other regulatory guidance. Credit ratings are considered in our analysis only as a guide to the historical default rate associated with similarly-rated bonds. There have been no significant differences in our internal analyses compared with the ratings assigned by the third party credit rating agencies.

The following tables summarize the total general obligation and revenue bonds in the Company’s investment securities portfolios as of the dates indicated identifying the state in which the issuing government municipality or agency operates.

At March 31, 2016, the Company’s investment securities portfolios included securities issued by 724 state and local government municipalities and agencies located within 44 states with a fair value of $865.6 million. None of the Company’s investment securities were issued by Puerto Rican government entities. The largest exposure to any one municipality or agency was $10.4 million (fair value) represented by nine general obligation bonds.

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	At March 31, 2016
	Amortized Cost		Fair Value
	(In thousands)
Obligations of states and political subdivisions:
General obligation bonds:
California	$	117,077	$	121,044
Texas		62,100		63,777
Pennsylvania		44,848		45,481
New Jersey		40,373		41,362
Minnesota		31,677		32,395
Other (34 states)		244,003		252,276
Total general obligation bonds	$	540,078	$	556,335
Revenue bonds:
California	$	49,074	$	51,284
Pennsylvania		26,267		26,647
Kentucky		23,998		24,653
Iowa		18,138		18,766
Colorado		16,141		16,728
Other (31 states)		165,034		171,161
Total revenue bonds	$	298,652	$	309,239
Total obligations of states and political subdivisions	$	838,730	$	865,574

At December 31, 2015, the Company’s investment securities portfolios included securities issued by 725 state and local government municipalities and agencies located within 44 states with a fair value of $864.2 million. None of the Company’s investment securities were issued by Puerto Rican government entities. The largest exposure to any one municipality or agency was $10.3 million (fair value) represented by nine general obligation bonds.

	At December 31, 2015
	Amortized Cost		Fair Value
	(In thousands)
Obligations of states and political subdivisions:
General obligation bonds:
California	$	117,968	$	121,096
Texas		62,030		63,394
Pennsylvania		51,547		52,115
New Jersey		38,651		39,322
Minnesota		32,588		33,133
Other (34 states)		243,488		249,854
Total general obligation bonds	$	546,272	$	558,914
Revenue bonds:
California	$	49,095	$	51,206
Pennsylvania		29,446		29,841
Kentucky		19,825		20,400
Iowa		18,156		18,728
Colorado		16,161		16,560
Other (31 states)		163,633		168,592
Total revenue bonds	$	296,316	$	305,327
Total obligations of states and political subdivisions	$	842,588	$	864,241

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At March 31, 2016, the revenue bonds in the Company’s investment securities portfolios were issued by state and local government municipalities and agencies to fund public services such as water utility, sewer utility, recreational and school facilities, and general public and economic improvements. The revenue bonds were payable from 22 revenue sources. The revenue sources that represent 5% or more individually of the total revenue bonds are summarized in the following table.

	At March 31, 2016
	Amortized Cost		Fair Value
	(In thousands)
Revenue bonds by revenue source:
Water	$	60,731	$	63,843
Sewer		44,560		46,084
Sales tax		31,653		33,187
Lease (renewal)		25,359		26,068
College & University		18,412		18,747
Lease (abatement)		16,956		17,759
Other		100,981		103,551
Total revenue bonds by revenue source	$	298,652	$	309,239

At December 31, 2015, the revenue bonds in the Company’s investment securities portfolios were issued by state and local government municipalities and agencies to fund public services such as water utility, sewer utility, recreational and school facilities, and general public and economic improvements. The revenue bonds were payable from 22 revenue sources. The revenue sources that represent 5% or more individually of the total revenue bonds are summarized in the following table.

	At December 31, 2015
	Amortized Cost		Fair Value
	(In thousands)
Revenue bonds by revenue source:
Water	$	62,661	$	65,412
Sewer		45,912		47,242
Sales tax		31,680		32,945
Lease (renewal)		21,673		22,227
College & University		17,967		18,215
Lease (abatement)		17,017		17,769
Other		99,406		101,517
Total revenue bonds by revenue source	$	296,316	$	305,327

See Note 3 to the unaudited consolidated financial statements for additional information related to the investment securities.

Loan Portfolio Credit Risk

The Company extends loans to commercial and consumer customers which expose the Company to the risk borrowers will default, causing loan losses. The Company’s lending activities are exposed to various qualitative risks. All loan segments are exposed to risks inherent in the economy and market conditions. Significant risk characteristics related to the commercial loan segment include the borrowers’ business performance and financial condition, and the value of collateral for secured loans. Significant risk characteristics related to the commercial real estate segment include the borrowers’ business performance and the value of properties collateralizing the loans. Significant risk characteristics related to the construction loan segment include the borrowers’ performance in successfully developing the real estate into the intended purpose and the value of the property collateralizing the loans. Significant risk characteristics related to the residential real estate segment include the borrowers’ financial wherewithal to service the mortgages and the value of the property collateralizing the loans. Significant risk characteristics related to the consumer loan segment include the financial condition of the borrowers and the value of collateral securing the loans.

The preparation of the financial statements requires Management to estimate the amount of losses inherent in the loan portfolio and establish an allowance for credit losses. The allowance for credit losses is established by assessing a provision for loan losses against the Company’s earnings. In estimating credit losses, Management must exercise judgment in evaluating information deemed relevant, such as financial information regarding individual borrowers, overall credit loss experience, the amount of past due, nonperforming and classified loans, recommendations of regulatory authorities, prevailing economic conditions and other information. The amount of ultimate losses on the loan portfolio can vary from the estimated amounts. Management follows a systematic methodology to estimate loss potential in an effort to reduce the differences between estimated and actual losses.

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The Company closely monitors the markets in which it conducts its lending operations and follows a strategy to control exposure to loans with high credit risk. The Bank’s organization structure separates the functions of business development and loan underwriting; Management believes this segregation of duties avoids inherent conflicts of combining business development and loan approval functions. In measuring and managing credit risk, the Company adheres to the following practices.

· The Bank maintains a Loan Review Department which reports directly to the Board of Directors. The Loan Review Department performs independent evaluations of loans and assigns credit risk grades to evaluated loans using grading standards employed by bank regulatory agencies. Those loans judged to carry higher risk attributes are referred to as “classified loans.” Classified loans receive elevated management attention to maximize collection.

· The Bank maintains two loan administration offices whose sole responsibility is to manage and collect classified loans.

Classified loans with higher levels of credit risk are further designated as “nonaccrual loans.” Management places classified loans on nonaccrual status when full collection of contractual interest and principal payments is in doubt. Uncollected interest previously accrued on loans placed on nonaccrual status is reversed as a charge against interest income. The Company does not accrue interest income on loans following placement on nonaccrual status. Interest payments received on nonaccrual loans are applied to reduce the carrying amount of the loan unless the carrying amount is well secured by loan collateral. “Nonperforming assets” include nonaccrual loans, loans 90 or more days past due and still accruing, and repossessed loan collateral (commonly referred to as “Other Real Estate Owned”).

The former County Bank loans and repossessed loan collateral were purchased from the FDIC with indemnifying loss-sharing agreements. The loss-sharing agreement on single-family residential real estate assets expires February 6, 2019. The loss-sharing agreement on non-single-family residential real estate assets expired February 6, 2014 as to losses and expires February 6, 2017 as to loss recoveries.

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Nonperforming Assets

	At March 31,				At December 31,
	2016		2015		2015
	(In thousands)
Originated:
Nonperforming nonaccrual loans	$	9,205	$	3,315	$	6,302
Performing nonaccrual loans		1,841		26		350
Total nonaccrual loans		11,046		3,341		6,652
Accruing loans 90 or more days past due		183		191		295
Total nonperforming loans		11,229		3,532		6,947
Other real estate owned		4,786		5,483		5,829
Total nonperforming assets	$	16,015	$	9,015	$	12,776
Purchased covered:
Nonperforming nonaccrual loans	$	-	$	-	$	-
Performing nonaccrual loans		-		-		-
Total nonaccrual loans		-		-		-
Accruing loans 90 or more days past due		-		-		-
Total nonperforming loans		-		-		-
Other real estate owned		-		486		-
Total nonperforming assets	$	-	$	486	$	-
Purchased non-covered:
Nonperforming nonaccrual loans	$	6,601	$	8,952	$	8,346
Performing nonaccrual loans		80		1,093		-
Total nonaccrual loans		6,681		10,045		8,346
Accruing loans 90 or more days past due		77		-		-
Total nonperforming loans		6,758		10,045		8,346
Other real estate owned		3,652		3,264		3,435
Total nonperforming assets	$	10,410	$	13,309	$	11,781
Total nonperforming assets	$	26,425	$	22,810	$	24,557

At March 31, 2016, two loans secured by commercial real estate totaling $10,990 thousand were on nonaccrual status. The remaining fourteen nonaccrual loans held at March 31, 2016 had an average carrying value of $481 thousand and the largest carrying value was $1,984 thousand.

Management believes the overall credit quality of the loan portfolio is reasonably stable; however, classified and nonperforming assets could fluctuate from period to period. The performance of any individual loan can be affected by external factors such as the interest rate environment, economic conditions, and collateral values or factors particular to the borrower. No assurance can be given that additional increases in nonaccrual and delinquent loans will not occur in the future.

Allowance for Credit Losses

The Company’s allowance for loan losses represents Management’s estimate of loan losses inherent in the loan portfolio. In evaluating credit risk for loans, Management measures loss potential of the carrying value of loans. As described above, payments received on nonaccrual loans may be applied against the principal balance of the loans until such time as full collection of the remaining recorded balance is expected. Further, the carrying value of purchased loans includes fair value discounts assigned at the time of purchase under the provisions of FASB ASC 805, Business Combinations, and FASB ASC 310-30, Loans or Debt Securities with Deteriorated Credit Quality. The allowance for loan losses represents Management’s estimate of loan losses in excess of these reductions to the carrying value of loans within the loan portfolio.

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The following table summarizes the allowance for loan losses, chargeoffs and recoveries of the Company for the periods indicated:

	For the Three Months Ended
	March 31,						December 31,
	2016			2015			2015
	(In thousands)
Analysis of the Allowance for Loan Losses
Balance, beginning of period	$	29,771		$	31,485		$	30,036
Provision for loan losses		-			-			-
Provision for unfunded commitments		-			-			-
Loans charged off
Commercial		(1,171	)		(60	)		(56	)
Commercial real estate		-			-			-
Consumer installment and other		(1,006	)		(995	)		(1,149	)
Purchased non-covered loans		-			(35	)		-
Total chargeoffs		(2,177	)		(1,090	)		(1,205	)
Recoveries of loans previously charged off
Commercial		245			180			339
Commercial real estate		15			15			15
Construction		-			-			45
Consumer installment and other		457			590			537
Purchased non-covered loans		1,176			7			4
Total recoveries		1,893			792			940
Net loan losses		(284	)		(298	)		(265	)
Balance, end of period	$	29,487		$	31,187		$	29,771
Net loan (losses) recoveries:
Originated loans	$	(1,460	)	$	(270	)	$	(269	)
Purchased non-covered loans		1,176			(28	)		4
Net loan losses as a percentage of average total loans (annualized)		0.08	%		0.07	%		0.07	%

The Company's allowance for loan losses is maintained at a level considered appropriate to provide for losses that can be estimated based upon specific and general conditions. These include conditions unique to individual borrowers, as well as overall loan loss experience, the amount of past due, nonperforming and classified loans, the amount of non-indemnified purchased loans, recommendations of regulatory authorities, prevailing economic conditions and other factors. A portion of the allowance is individually allocated to impaired loans whose full collectability of principal is uncertain. Such allocations are determined by Management based on loan-by-loan analyses. The Company evaluates all loans with outstanding principal balances in excess of $500 thousand which are classified or on nonaccrual status and all “troubled debt restructured” loans for impairment. The remainder of the loan portfolio is collectively evaluated for impairment based in part on quantitative analyses of historical loan loss experience of loan portfolio segments to determine standard loss rates for each segment. The loss rate for each loan portfolio segment reflects both the historical loss experience during a look-back period and the loss emergence period. The loss rates are applied to segmented loan balances to allocate the allowance to the segments of the loan portfolio.

Purchased loans were recorded on the date of purchase at estimated fair value; fair value discounts include a component for estimated loan losses. The Company evaluates all nonaccrual purchased loans with outstanding principal balances in excess of $500 thousand for impairment; the impaired loan value is compared to the recorded investment in the loan, which has been reduced by the loan default discount estimated on the date of purchase. If Management’s impairment analysis determines the impaired loan value is less than the recorded investment in the purchased loan, an allocation of the allowance for loan losses is established for the deficiency. For all other purchased loan portfolio segments, Management applies the standard loss rates to the purchased loan portfolio segments to determine initial allocations of the allowance. Further, liquidating purchased consumer installment loans are evaluated separately by applying historical loss rates to forecasted liquidating principal balances to initially measure losses inherent in this portfolio segment. The initial allocations of the allowance to purchased loan portfolio segments are compared to loan default discounts ascribed to each segment. Management establishes allocations of the allowance for loan losses for any estimated deficiency.

The remainder of the allowance is considered to be unallocated. The unallocated allowance is established to provide for probable losses that have been incurred as of the reporting date but not reflected in the allocated allowance. The unallocated allowance addresses additional qualitative factors consistent with Management's analysis of the level of risks inherent in the loan portfolio, which are related to the risks of the Company's general lending activity. Included in the unallocated allowance is the risk of losses that are attributable to national or local economic or industry trends which have occurred but have not yet been recognized in loan chargeoff history (external factors). The primary external factor evaluated by the Company and the judgmental amount of unallocated reserve assigned by Management as of March 31, 2016 are economic and business conditions $1.3 million. Also included in the unallocated allowance is the risk of losses attributable to general attributes of the Company's loan portfolio and credit administration (internal factors). The internal factors evaluated by the Company and the judgmental amount of unallocated reserve assigned by Management are: loan review system $1.1 million, adequacy of lending Management and staff $1.2 million, concentrations of credit $2.4 million, and other factors.

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	Allowance for Loan Losses For the Three Months Ended March 31, 2016
	Commercial			Commercial Real Estate			Construction			Residential Real Estate			Consumer Installment and Other			Purchased Non-covered Loans			Purchased Covered Loans		Unallocated			Total
	(In thousands)
Allowance for loan losses:
Balance at beginning of period	$	9,559		$	4,224		$	177		$	1,801		$	7,080		$	967		$	-	$	5,963		$	29,771
Additions:
Provision		1,214			(2	)		(47	)		(94	)		152			(1,193	)		-		(30	)		-
Deductions:
Chargeoffs		(1,171	)		-			-			-			(1,006	)		-			-		-			(2,177	)
Recoveries		245			15			-			-			457			1,176			-		-			1,893
Net loan (losses) recoveries		(926	)		15			-			-			(549	)		1,176			-		-			(284	)
Total allowance for loan losses	$	9,847		$	4,237		$	130		$	1,707		$	6,683		$	950		$	-	$	5,933		$	29,487

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment
	At March 31, 2016
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans		Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	5,831	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	6,416
Collectively evaluated for impairment		4,016		3,652		130		1,707		6,683		950		-		5,933		23,071
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,847	$	4,237	$	130	$	1,707	$	6,683	$	950	$	-	$	5,933	$	29,487
Carrying value of loans:
Individually evaluated for impairment	$	13,388	$	7,516	$	-	$	-	$	-	$	11,733	$	-	$	-	$	32,637
Collectively evaluated for impairment		328,510		507,667		2,147		109,201		341,654		136,658		13,463		-		1,439,300
Purchased loans with evidence of credit deterioration		-		-		-		-		-		1,058		201		-		1,259
Total	$	341,898	$	515,183	$	2,147	$	109,201	$	341,654	$	149,449	$	13,664	$	-	$	1,473,196

Management considers the $29.5 million allowance for loan losses to be adequate as a reserve against loan losses inherent in the loan portfolio as of March 31, 2016.

See Note 4 to the unaudited consolidated financial statements for additional information related to the loan portfolio, loan portfolio credit risk, and allowance for loan losses.

Asset/Liability and Market Risk Management

Asset/liability management involves the evaluation, monitoring and management of interest rate risk, market risk, liquidity and funding. The fundamental objective of the Company's management of assets and liabilities is to maximize its economic value while maintaining adequate liquidity and a conservative level of interest rate risk.

Interest Rate Risk

Interest rate risk is a significant market risk affecting the Company. Many factors affect the Company’s exposure to interest rates, such as general economic and financial conditions, customer preferences, historical pricing relationships, and re-pricing characteristics of financial instruments. Assets and liabilities may mature or re-price at different times. Assets and liabilities may re-price at the same time but by different amounts. Short-term and long-term market interest rates may change by different amounts. The timing and amount of cash flows of various assets or liabilities may shorten or lengthen as interest rates change. In addition, the changing levels of interest rates may have an impact on loan demand, demand for various deposit products, credit losses, and other elements of earnings such as account analysis fees on commercial deposit accounts and correspondent bank service charges.

The Company’s earnings are affected not only by general economic conditions, but also by the monetary and fiscal policies of the U.S. and its agencies, particularly the Federal Reserve Board (the “FRB”). The monetary policies of the FRB can influence the overall growth of loans, investment securities, and deposits and the level of interest rates earned on assets and paid for liabilities. The nature and impact of future changes in monetary policies are generally not predictable.

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The Federal Open Market Committee (“FOMC”) increased the target range for the federal funds rate to 1/4 to 1/2 percent on December 16, 2015. Subsequently, interest rates on intermediate-term and long-term United States Treasury obligations declined from January 1, 2016 through March 31, 2016. In this context, Management expects a high level of uncertainty in regard to interest rate levels in the immediate term, and Management’s most likely earnings forecast for the twelve months ending March 31, 2017 assumes market interest rates will either remain at relatively low levels or short-term rates will rise gradually.

In adjusting the Company's asset/liability position, Management attempts to manage interest rate risk while enhancing the net interest margin and net interest income. At times, depending on expected increases or decreases in general interest rates, the relationship between long and short-term interest rates, market conditions and competitive factors, Management may adjust the Company's interest rate risk position in order to manage its net interest margin and net interest income. The Company's results of operations and net portfolio values remain subject to changes in interest rates and to fluctuations in the difference between long and short-term interest rates.

The Company’s asset and liability position was slightly “asset sensitive” at March 31, 2016, depending on the interest rate assumptions applied to the simulation model employed by Management to measure interest rate risk. An “asset sensitive” position results in a slightly larger change in interest income than in interest expense resulting from application of assumed interest rate changes. Simulation estimates depend on, and will change with, the size and mix of the actual and projected balance sheet at the time of each simulation. Management’s interest rate risk management is currently biased toward stable or gradually increasing interest rates in the near-term and intermediate-term. Management continues to monitor the interest rate environment as well as economic conditions and other factors it deems relevant in managing the Company's exposure to interest rate risk.

The Company does not currently engage in trading activities or use derivative instruments to control interest rate risk, even though such activities may be permitted with the approval of the Company's Board of Directors.

Market Risk - Equity Markets

Equity price risk can affect the Company. As an example, any preferred or common stock holdings, as permitted by banking regulations, can fluctuate in value. Management regularly assesses the extent and duration of any declines in market value, the causes of such declines, the likelihood of a recovery in market value, and its intent to hold securities until a recovery in value occurs. Declines in value of preferred or common stock holdings that are deemed “other than temporary” could result in loss recognition in the Company's income statement.

Fluctuations in the Company's common stock price can impact the Company's financial results in several ways. First, the Company has regularly repurchased and retired its common stock; the market price paid to retire the Company's common stock can affect the level of the Company's shareholders' equity, cash flows and shares outstanding. Second, the Company's common stock price impacts the number of dilutive equivalent shares used to compute diluted earnings per share. Third, fluctuations in the Company's common stock price can motivate holders of options to purchase Company common stock through the exercise of such options thereby increasing the number of shares outstanding. Finally, the amount of compensation expense associated with share based compensation fluctuates with changes in and the volatility of the Company's common stock price.

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Market Risk - Other

Market values of loan collateral can directly impact the level of loan chargeoffs and the provision for loan losses. The financial condition and liquidity of debtors issuing bonds and debtors whose mortgages or other obligations are securitized can directly impact the credit quality of the Company’s investment portfolio requiring the Company to recognize other than temporary impairment charges. Other types of market risk, such as foreign currency exchange risk and commodity price risk, are not significant in the normal course of the Company's business activities.

Liquidity and Funding

The objective of liquidity management is to manage cash flow and liquidity reserves so that they are adequate to fund the Company's operations and meet obligations and other commitments on a timely basis and at a reasonable cost. The Company achieves this objective through the selection of asset and liability maturity mixes that it believes best meet its needs. The Company's liquidity position is enhanced by its ability to raise additional funds as needed in the wholesale markets.

In recent years, the Company's deposit base has provided the majority of the Company's funding requirements. This relatively stable and low-cost source of funds, along with shareholders' equity, provided 98  percent of funding for average total assets in the first quarter 2016 and 97 percent in 2015. The stability of the Company’s funding from customer deposits is in part reliant on the confidence clients have in the Company. The Company places a very high priority in maintaining this confidence through conservative credit and capital management practices and by maintaining an appropriate level of liquidity reserves.

Liquidity is further provided by assets such as balances held at the Federal Reserve Bank, investment securities, and amortizing loans. The Company's investment securities portfolio provides a substantial secondary liquidity reserve. The Company held $2.9 billion in total investment securities at March 31, 2016. Under certain deposit, borrowing and other arrangements, the Company must hold and pledge investment securities as collateral. At March 31, 2016, such collateral requirements totaled approximately $712 million.

Liquidity risk can result from the mismatching of asset and liability cash flows, or from disruptions in the financial markets. The Company performs liquidity stress tests on a periodic basis to evaluate the sustainability of its liquidity. Under the stress testing, the Company assumes outflows of funds increase beyond expected levels. Measurement of such heightened outflows considers the composition of the Company’s deposit base, including any concentration of deposits, non-deposit funding such as short-term borrowings, and unfunded lending commitments. The Company evaluates its stock of highly liquid assets to meet the assumed higher levels of outflows. Highly liquid assets include cash and amounts due from other banks from daily transaction settlements, reduced by branch cash needs and Federal Reserve Bank reserve requirements, and investment securities based on regulatory risk-weighting guidelines. Based on the results of the most recent liquidity stress test, Management is satisfied with the liquidity condition of the Bank and the Company. However, no assurance can be given the Bank or Company will not experience a period of reduced liquidity.

Management will monitor the Company’s cash levels throughout 2016. Loan demand from credit-worthy borrowers will be dictated by economic and competitive conditions. The Company aggressively solicits non-interest bearing demand deposits and money market checking deposits, which are the least sensitive to changes in interest rates. The growth of these deposit balances is subject to heightened competition, the success of the Company's sales efforts, delivery of superior customer service, new regulations and market conditions. The Company does not aggressively solicit higher-costing time deposits; as a result, Management anticipates such deposits will decline. Changes in interest rates, most notably rising interest rates, could impact deposit volumes. Depending on economic conditions, interest rate levels, liquidity management and a variety of other conditions, deposit growth may be used to fund loans or purchase investment securities. However, due to possible volatility in economic conditions, competition and political uncertainty, loan demand and levels of customer deposits are not certain. Shareholder dividends are expected to continue subject to the Board's discretion and continuing evaluation of capital levels, earnings, asset quality and other factors.

Westamerica Bancorporation ("Parent Company") is a separate entity apart from Westamerica Bank (“Bank”) and must provide for its own liquidity. In addition to its operating expenses, the Parent Company is responsible for the payment of dividends declared for its shareholders, and interest and principal on any outstanding debt. Substantially all of the Parent Company's revenues are obtained from subsidiary dividends and service fees.

The Bank’s dividends paid to the Parent Company and proceeds from the exercise of stock options provided adequate cash flow for the Parent Company to pay shareholder dividends of $10 million in the first quarter 2016 and $39 million in 2015, and retire common stock in the amount of $5 million and $15 million, respectively. Payment of dividends to the Parent Company by the Bank is limited under California and Federal laws. The Company believes these regulatory dividend restrictions will not have an impact on the Parent Company's ability to meet its ongoing cash obligations.

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Capital Resources

The Company has historically generated high levels of earnings, which provides a means of accumulating capital. The Company's net income as a percentage of average shareholders' equity (“return on equity” or “ROE”) has been 10.9% (annualized) in the first quarter 2016, 11.3% in 2015 and 11.6% in 2014. The Company also raises capital as employees exercise stock options. Capital raised through the exercise of stock options was $2 million in the first quarter 2016 compared with $5 million in 2015 and $12 million in 2014.

The Company paid common dividends totaling $10 million in the first quarter 2016, $39 million in 2015 and $40 million in 2014, which represent dividends per common share of $0.39, $1.53 and $1.52, respectively. The Company's earnings have historically exceeded dividends paid to shareholders. The amount of earnings in excess of dividends provides the Company resources to finance growth and maintain appropriate levels of shareholders' equity. In the absence of profitable growth opportunities, the Company has repurchased and retired its common stock as another means to return earnings to shareholders. The Company repurchased and retired 130 thousand shares valued at $5 million in the first quarter 2016, 344 thousand shares valued at $15 million in 2015 and 1.0 million shares valued at $53 million in 2014.

The Company's primary capital resource is shareholders' equity, which was $539 million at March 31, 2016 compared with $532 million at December 31, 2015. The Company's ratio of equity to total assets was 10.37% at March 31, 2016 and 10.30% at December 31, 2015.

The Company performs capital stress tests on a periodic basis to evaluate the sustainability of its capital. Under the stress testing, the Company assumes various scenarios such as deteriorating economic and operating conditions, unanticipated asset devaluations, and significant operational lapses. The Company measures the impact of these scenarios on its earnings and capital. Based on the results of the most recent stress tests, Management is satisfied with the capital condition of the Bank and the Company. However, no assurance can be given the Bank or Company will not experience a period of reduced earnings or a reduction in capital from unanticipated events and circumstances.

Capital to Risk-Adjusted Assets

On July 2, 2013, the Federal Reserve Board approved a final rule that implements changes to the regulatory capital framework for all banking organizations. The rule’s provisions which most affected the regulatory capital requirements of the Company and the Bank:

· Introduced a new “Common Equity Tier 1” capital measurement,

· Established higher minimum levels of capital,

· Introduced a “capital conservation buffer,”

· Increased the risk-weighting of certain assets, and

· Established limits on the amount of deferred tax assets with any excess treated as a deduction from Tier 1 capital.

Under the final rule, a banking organization that is not subject to the “advanced approaches rule” may make a one-time election not to include most elements of Accumulated Other Comprehensive Income, including net-of-tax unrealized gains and losses on available for sale investment securities, in regulatory capital. Neither the Company nor the Bank are subject to the “advanced approaches rule” and made the election not to include most elements of Accumulated Other Comprehensive Income in regulatory capital.

Banking organizations that are not subject to the “advanced approaches rule” began complying with the final rule on January 1, 2015; on such date, the Company and the Bank became subject to the revised definitions of regulatory capital, the new minimum regulatory capital ratios, and various regulatory capital adjustments and deductions according to transition provisions and timelines. All banking organizations began calculating standardized total risk-weighted assets on January 1, 2015. The transition period for the capital conservation buffer for all banking organizations began on January 1, 2016 and will end January 1, 2019. Any bank subject to the rule which is unable to maintain its “capital conservation buffer” will be restricted in the payment of discretionary executive compensation and shareholder distributions, such as dividends and share repurchases.

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The final rule did not supersede provisions of the Federal Deposit Insurance Corporation Improvement Act (FDICIA) requiring federal banking agencies to take prompt corrective action (PCA) to resolve problems of insured depository institutions. The final rule revised the PCA thresholds to incorporate the higher minimum levels of capital, including the “common equity tier 1” ratio.

The capital ratios for the Company and the Bank under the new capital framework are presented in the table below.

							Transitional Minimum Regulatory Requirement			Minimum Regulatory Requirement			Well-capitalized by Regulatory Definition Under FDICIA
	At March 31, 2016						Effective			Effective			Effective
	Company			Bank			January 1, 2016			January 1, 2019			January 1, 2015
Common Equity Tier I Capital		13.22	%		11.34	%		5.125	%(1)		7.00	%(2)		6.50	%
Tier I Capital		13.22	%		11.34	%		6.625	%(1)		8.50	%(2)		8.00	%
Total Capital		13.51	%		11.71	%		8.625	%(1)		10.50	%(2)		10.00	%
Leverage Ratio		7.99	%		6.81	%		4.000	%		4.00	%		5.00	%

⁽¹⁾ Includes 0.625% capital conservation buffer.

⁽²⁾ Includes 2.5% capital conservation buffer.

							Transitional Minimum Regulatory Requirement			Minimum Regulatory Requirement			Well-capitalized by Regulatory Definition Under FDICIA
	At December 31, 2015						Effective			Effective			Effective
	Company			Bank			January 1, 2015			January 1, 2019			January 1, 2015
Common Equity Tier I Capital		12.82	%		11.00	%		4.50	%		7.00	%(3)		6.50	%
Tier I Capital		12.82	%		11.00	%		6.00	%		8.50	%(3)		8.00	%
Total Capital		13.39	%		11.68	%		8.00	%		10.50	%(3)		10.00	%
Leverage Ratio		7.99	%		6.82	%		4.00	%		4.00	%		5.00	%

⁽³⁾ Includes 2.5% capital conservation buffer.

The Company and the Bank routinely project capital levels by analyzing forecasted earnings, credit quality, securities valuations, shareholder dividends, asset volumes, share repurchase activity, stock option exercise proceeds, and other factors. Based on current capital projections, the Company and the Bank expect to maintain regulatory capital levels exceeding the highest effective regulatory standard and pay quarterly dividends to shareholders. No assurance can be given that changes in capital management plans will not occur.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

The Company does not currently engage in trading activities or use derivative instruments to control interest rate risk, even though such activities may be permitted with the approval of the Company’s Board of Directors.

Credit risk and interest rate risk are the most significant market risks affecting the Company, and equity price risk can also affect the Company’s financial results. These risks are described in the preceding sections regarding “Loan Portfolio Credit Risk,” and “Asset/Liability and Market Risk Management.” Other types of market risk, such as foreign currency exchange risk and commodity price risk, are not significant in the normal course of the Company’s business activities.

- 50 - 

Item 4. Controls and Procedures

The Company’s principal executive officer and principal financial officer have evaluated the effectiveness of the Company’s “disclosure controls and procedures,” as such term is defined in Rule 13a-15(e) of the Securities Exchange Act of 1934, as amended, as of March 31, 2016.

Based upon their evaluation, the principal executive officer and principal financial officer concluded that the Company’s disclosure controls and procedures are effective to ensure that material information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported as and when required and that such information is communicated to the Company’s management, including the principal executive officer and the principal financial officer, to allow for timely decisions regarding required disclosures. The evaluation did not identify any change in the Company’s internal control over financial reporting that occurred during the quarter ended March 31, 2016 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

Neither the Company nor any of its subsidiaries is a party to any material pending legal proceeding, nor is its property the subject of any material pending legal proceeding, other than ordinary routine legal proceedings arising in the ordinary course of the Company’s business. None of these proceedings is expected to have a material adverse impact upon the Company’s business, financial position or results of operations.

Item 1A. Risk Factors

The Company’s Form 10-K as of December 31, 2015 includes detailed disclosure about the risks faced by the Company’s business; such risks have not materially changed since the Form 10-K was filed.

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

(a) Previously reported on Form 8-K.

(b) None

(c) Issuer Purchases of Equity Securities

The table below sets forth the information with respect to purchases made by or on behalf of Westamerica Bancorporation or any “affiliated purchaser” (as defined in Rule 10b-18(a)(3) under the Securities Exchange Act of 1934), of common stock during the quarter ended March 31, 2016 (in thousands, except per share data).

	2016
Period	(a) Total Number of shares Purchased		(b) Average Price Paid per Share		(c) Number of Shares Purchased as Part of Publicly Announced Plans or Programs		(d) Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
	(In thousands, except price paid)
January 1 through January 31		95	$	41.38		95		1,632
February 1 through February 29		35		41.92		35		1,597
March 1 through March 31		-		-		-		1,597
Total		130		41.53		130		1,597

The Company repurchases shares of its common stock in the open market to optimize the Company’s use of equity capital and enhance shareholder value and with the intention of lessening the dilutive impact of issuing new shares under stock option plans, and other ongoing requirements.

- 51 - 

Shares were repurchased during the first quarter 2016 pursuant to a program approved by the Board of Directors on July 23, 2015 authorizing the purchase of up to 1,750 thousand shares of the Company’s common stock from time to time prior to September 1, 2016.

Item 3. Defaults upon Senior Securities

None

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

(a) Submission of Matters to a Vote of Security Holders

Proxies for the Annual Meeting of shareholders held on April 28, 2016, were solicited pursuant Regulation 14A of the Securities Exchange Act of 1934. The Report of Inspector of election indicates that 22,012,916 shares of the Common Stock of the Company, out of 25,400,207 shares outstanding on the February 29, 2016 record date, were present, in person or by proxy, at the meeting. The following matters were submitted to a vote of the shareholders:

1. Election of Directors:

Nominee	For		Withheld		Non-Votes
Etta Allen		18,437,477		594,284		2,981,155
Louis E. Bartolini		18,357,973		673,788		2,981,155
E. Joseph Bowler		18,853,669		178,092		2,981,155
Arthur C. Latno, Jr.		18,291,193		740,568		2,981,155
Patrick D. Lynch		18,359,542		672,219		2,981,155
Catherine C. MacMillan		18,445,064		586,697		2,981,155
Ronald A. Nelson		18,440,175		591,586		2,981,155
David L. Payne		18,825,013		206,748		2,981,155
Edward B. Sylvester		18,841,665		190,096		2,981,155

2. Approval of a Non-Binding Advisory Vote on Executive Compensation

For		Against		Abstain		Non-Votes
	18,032,288		895,354		104,119		2,981,155

3. Ratification of Selection of Crowe Horwath as Company’s Independent Auditors for Fiscal Year 2016

For		Against		Abstain		Non-Votes
	21,803,396		29,990		179,530		0

4. Required Independent Board Chairman

For		Against		Abstain		Non-Votes
	6,819,532		11,691,141		521,088		2,981,155

Item 6. Exhibits

The exhibit list required by this item is incorporated by reference to the Exhibit Index filed with this report.

- 52 - 

SIGNATURES

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

WESTAMERICA BANCORPORATION

(Registrant)

/s/ JOHN "ROBERT" THORSON

John "Robert" Thorson

Senior Vice President and Chief Financial Officer

(Chief Financial and Accounting Officer)

Date: May 2, 2016

- 53 - 

EXHIBIT INDEX

Exhibit 31.1: Certification of Chief Executive Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)

Exhibit 31.2: Certification of Chief Financial Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)

Exhibit 32.1: Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 32.2: Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 101: Pursuant to Rule 405 of Regulation S-T, the following financial information from the Company’s Quarterly Report on Form 10-Q for the period ended March 31, 2016, is formatted in XBRL interactive data files: (i) Consolidated Statements of Income for the three months ended March 31, 2016 and 2015; (ii) Consolidated Balance Sheets at March 31, 2016, and December 31, 2015; (iii) Consolidated Statements of Comprehensive Income for the three months ended March 31, 2016 and 2015, (iv) Consolidated Statements of Changes in Shareholders’ Equity for the three months ended March 31, 2016 and 2015; (v) Consolidated Statements of Cash Flows for the three months ended March 31, 2016 and 2015 and (vi) Notes to the Unaudited Consolidated Financial Statements.

- 54 -

EX-31.1

EXHIBIT 31.1

CERTIFICATION UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, David L. Payne certify that:

1. I have reviewed this report on Form 10-Q of Westamerica Bancorporation;

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

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

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

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

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

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

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

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

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

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

/s/ David L. Payne

David L. Payne

Chairman, President and Chief Executive Officer

Date: May 2, 2016

-55-

EX-31.2

EXHIBIT 31.2

CERTIFICATION UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, John "Robert" Thorson certify that:

1. I have reviewed this report on Form 10-Q of Westamerica Bancorporation;

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

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

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

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

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

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

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

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

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

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

/s/ John "Robert" Thorson

John “Robert” Thorson

Senior Vice President and Chief Financial Officer

Date: May 2, 2016

-56-

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Westamerica Bancorporation (the Company) on Form 10-Q for the period ended March 31, 2016 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, David L. Payne, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ David L. Payne

David L. Payne

Chairman, President and Chief Executive Officer

Date: May 2, 2016

-57-

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TOSECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Westamerica Bancorporation (the Company) on Form 10-Q for the period ended March 31, 2016 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, John "Robert" Thorson, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ John "Robert" Thorson

John “Robert” Thorson

Senior Vice President and Chief Financial Officer

Date: May 2, 2016

-58-

XML

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2016	Apr. 22, 2016
Entity Registrant Name	WESTAMERICA BANCORPORATION
Entity Central Index Key	0000311094
Trading Symbol	wabc
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock, Shares Outstanding (in shares)		25,496,985
Document Type	10-Q
Document Period End Date	Mar. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Amendment Flag	false

XML

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 471,164	$ 433,044
Investment securities available for sale	1,585,970	1,570,216
Investment securities held to maturity, with fair values of: $1,381,808 at March 31, 2016 and $1,325,699 at December 31, 2015	1,358,139	1,316,075
Loans	1,473,196	1,533,396
Allowance for loan losses	(29,487)	(29,771)
Loans, net of allowance for loan losses	1,443,709	1,503,625
Other real estate owned	8,438	9,264
Premises and equipment, net	38,045	38,693
Identifiable intangibles, net	9,526	10,431
Goodwill	121,673	121,673
Other assets	163,204	165,854
Total Assets	5,199,868	5,168,875
Liabilities:
Noninterest bearing deposits	1,989,010	2,026,049
Interest bearing deposits	2,527,740	2,514,610
Total deposits	4,516,750	4,540,659
Short-term borrowed funds	52,451	53,028
Other liabilities	91,694	42,983
Total Liabilities	4,660,895	4,636,670
Shareholders' Equity:
Common stock (no par value), authorized - 150,000 shares Issued and outstanding: 25,438 at March 31, 2016 and 25,528 at December 31, 2015	379,893	378,858
Deferred compensation	1,533	2,578
Accumulated other comprehensive income	6,619	675
Retained earnings	150,928	150,094
Total Shareholders' Equity	538,973	532,205
Total Liabilities and Shareholders' Equity	$ 5,199,868	$ 5,168,875

XML

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investment securities held to maturity, fair values	$ 1,381,808	$ 1,325,699
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	150,000	150,000
Common stock, Issued (in shares)	25,438	25,528
Common stock, outstanding (in shares)	25,438	25,528

XML

Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest and Fee Income:
Loans	$ 18,353,000	$ 20,230,000
Investment securities available for sale	7,967,000	7,469,000
Investment securities held to maturity	7,327,000	6,218,000
Total Interest and Fee Income	33,647,000	33,917,000
Interest Expense:
Deposits	543,000	642,000
Short-term borrowed funds	9,000	16,000
Federal Home Loan Bank advances	0	1,000
Total Interest Expense	552,000	659,000
Net Interest and Fee Income	33,095,000	33,258,000
Provision for Loan Losses	0	0
Net Interest and Fee Income After Provision For Loan Losses	33,095,000	33,258,000
Noninterest Income:
Service charges on deposit accounts	5,248,000	5,707,000
Merchant processing services	1,529,000	1,703,000
Debit card fees	1,516,000	1,456,000
Trust fees	661,000	706,000
ATM processing fees	658,000	585,000
Other service fees	629,000	665,000
Financial services commissions	156,000	153,000
Other noninterest income	1,332,000	1,325,000
Total Noninterest Income	11,729,000	12,300,000
Noninterest Expense:
Salaries and related benefits	13,117,000	13,338,000
Occupancy	3,398,000	3,727,000
Outsourced data processing services	2,130,000	2,108,000
Furniture and equipment	1,213,000	1,119,000
Amortization of identifiable intangibles	905,000	1,001,000
Professional fees	732,000	548,000
Courier service	545,000	543,000
Other real estate owned	111,000	315,000
Other noninterest expense	3,707,000	4,028,000
Total Noninterest Expense	25,858,000	26,727,000
Income Before Income Taxes	18,966,000	18,831,000
Provision for income taxes	4,740,000	4,274,000
Net Income	$ 14,226,000	$ 14,557,000
Average Common Shares Outstanding (in shares)	25,445	25,651
Average Diluted Common Shares Outstanding (in shares)	25,458	25,655
Per Common Share Data:
Basic earnings (in dollars per share)	$ 0.56	$ 0.57
Diluted earnings (in dollars per share)	0.56	0.57
Dividends paid (in dollars per share)	$ 0.39	$ 0.38

XML

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income	$ 14,226,000	$ 14,557,000
Other comprehensive income:
Increase in net unrealized gains on securities available for sale	10,241,000	7,418,000
Deferred tax expense	(4,306,000)	(3,119,000)
Increase in net unrealized gains on securities available for sale, net of tax	5,935,000	4,299,000
Post-retirement benefit transition obligation amortization	15,000	15,000
Deferred tax expense	(6,000)	(6,000)
Post-retirement benefit transition obligation amortization, net of tax	9,000	9,000
Total other comprehensive income	5,944,000	4,308,000
Total comprehensive income	$ 20,170,000	$ 18,865,000

XML

Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) shares in Thousands	Common Stock [Member]	Accumulated Deferred Compensation [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2014	25,745
Balance at Dec. 31, 2014	$ 378,132,000	$ 2,711,000	$ 5,292,000	$ 140,468,000	$ 526,603,000
Net income				$ 14,557,000	14,557,000
Other comprehensive income			$ 4,308,000		$ 4,308,000
Exercise of stock options
Tax benefit decrease upon expiration/exercise of stock options	$ (865,000)				$ (865,000)
Stock based compensation	$ 354,000				354,000
Stock awarded to employees (in shares)	1
Stock awarded to employees	$ 45,000				45,000
Retirement of common stock including repurchases (in shares)	(183)
Retirement of common stock including repurchases	$ (2,708,000)			$ (5,159,000)	(7,867,000)
Dividends				(9,755,000)	(9,755,000)
Balance (in shares) at Mar. 31, 2015	25,563
Balance at Mar. 31, 2015	$ 374,958,000	$ 2,711,000	$ 9,600,000	140,111,000	527,380,000
Balance (in shares) at Dec. 31, 2015	25,528
Balance at Dec. 31, 2015	$ 378,858,000	$ 2,578,000	$ 675,000	150,094,000	532,205,000
Net income				$ 14,226,000	14,226,000
Other comprehensive income			$ 5,944,000		5,944,000
Exercise of stock options	$ 1,717,000				1,717,000
Tax benefit decrease upon expiration/exercise of stock options	(181,000)				(181,000)
Stock based compensation	390,000				390,000
Stock awarded to employees	$ 15,000				15,000
Retirement of common stock including repurchases (in shares)	(130)
Retirement of common stock including repurchases	$ (1,951,000)			$ (3,473,000)	(5,424,000)
Dividends				(9,919,000)	(9,919,000)
Balance (in shares) at Mar. 31, 2016	25,438
Balance at Mar. 31, 2016	$ 379,893,000	$ 1,533,000	$ 6,619,000	$ 150,928,000	$ 538,973,000
Exercise of stock options (in shares)	40
Restricted stock activity	$ 1,045,000	$ (1,045,000)

XML

Consolidated Statements of Cash Flows (Unaudited) - USD ($)		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Operating Activities:
Net income		$ 14,226,000	$ 14,557,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		4,065,000	3,930,000
Net amortization of deferred loan fees		(54,000)	(78,000)
Decrease in interest income receivable		1,379,000	812,000
Decrease (increase) in deferred tax asset		115,000	(421,000)
Increase in other assets		(5,602,000)	(822,000)
Stock option compensation expense		390,000	354,000
Tax benefit decrease upon expiration/exercise of stock options		181,000	865,000
Increase in income taxes payable		3,424,000	4,695,000
Increase in interest expense payable		25,000	21,000
Increase (decrease) in other liabilities		(4,000)	(6,158,000)
Writedown/loss on sale of premises and equipment		5,000	$ 4,000
Net gain on sale of foreclosed assets		(58,000)
Writedown of foreclosed assets		126,000	$ 243,000
Net Cash Provided by Operating Activities		18,218,000	18,002,000
Investing Activities:
Net repayments of loans		61,070,000	13,805,000
Change in payable to FDIC	[1]	5,189,000	(692,000)
Purchases of investment securities available for sale		(152,128,000)	(354,527,000)
Proceeds from sale/maturity/calls of securities available for sale		166,023,000	185,073,000
Purchases of investment securities held to maturity		(56,182,000)	(10,359,000)
Proceeds from maturity/calls of securities held to maturity		33,531,000	30,468,000
Purchases of premises and equipment		$ (283,000)	(1,326,000)
Proceeds from sale of FRB(2)/FHLB(3) stock	[2],[3]		490,000
Proceeds from sale of foreclosed assets		$ 975,000	100,000
Net Cash Provided by (Used in) Investing Activities		58,195,000	(136,968,000)
Financing Activities:
Net change in deposits		(23,909,000)	30,891,000
Net change in short-term borrowings and FHLB(3) advances		(577,000)	$ (26,824,000)
Exercise of stock options/issuance of shares		1,717,000
Tax benefit decrease upon expiration/exercise of stock options		(181,000)	$ (865,000)
Retirement of common stock including repurchases		(5,424,000)	(7,867,000)
Common stock dividends paid		(9,919,000)	(9,755,000)
Net Cash Used in Financing Activities		(38,293,000)	(14,420,000)
Net Change In Cash and Due from Banks		38,120,000	(133,386,000)
Cash and Due from Banks at Beginning of Period		433,044,000	380,836,000
Cash and Due from Banks at End of Period		471,164,000	247,450,000
Supplemental disclosure of noncash activities:
Loan collateral transferred to other real estate owned		217,000	3,202,000
Securities purchases pending settlement		44,580,000	1,478,000
Supplemental disclosure of cash flow activities:
Interest paid for the period		526,000	$ 775,000
Income tax payments for the period		$ 1,200,000

[1] Federal Deposit Insurance Corporation ("FDIC").

[2] Federal Home Loan Bank ("FHLB").

[3] Federal Reserve Bank ("FRB").

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Note 1 - Basis of Presentation

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

Note 1: Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission and follow general practices within the banking industry. The results of operations reflect interim adjustments, all of which are of a normal recurring nature and which, in the opinion of Management, are necessary for a fair presentation of the results for the interim periods presented. The interim results for the three months ended March 31, 2016 are not necessarily indicative of the results expected for the full year. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and accompanying notes as well as other information included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015.

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Note 2 - Accounting Policies

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Significant Accounting Policies [Text Block]

Note 2: Accounting Policies

The most significant accounting policies followed by the Company are presented in Note 1 to the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015. These policies, along with the disclosures presented in the other financial statement notes and in this discussion, provide information on how significant assets and liabilities are valued in the financial statements and how those values are determined. Based on the valuation techniques used and the sensitivity of financial statement amounts to the methods, assumptions, and estimates underlying those amounts, Management has identified the allowance for loan losses accounting to be the accounting area requiring the most subjective or complex judgments, and as such could be most subject to revision as new information becomes available. A discussion of the factors affecting accounting for the allowance for loan losses and purchased loans is included in the “Loan Portfolio Credit Risk” discussion below. Certain amounts in prior periods have been reclassified to conform to the current presentation.

Application of these principles requires the Company to make certain estimates, assumptions, and judgments that affect the amounts reported in the financial statements and accompanying notes. These estimates, assumptions, and judgments are based on information available as of the date of the financial statements; accordingly, as this information changes, the financial statements could reflect different estimates, assumptions, and judgments. Certain accounting policies inherently have a greater reliance on the use of estimates, assumptions and judgments and as such have a greater possibility of producing results that could be materially different than originally reported. Estimates, assumptions and judgments are necessary when assets and liabilities are required to be recorded at fair value, when a decline in the value of an asset not carried on the financial statements at fair value warrants an impairment writedown or valuation reserve to be established, or when an asset or liability needs to be recorded contingent upon a future event. Carrying assets and liabilities at fair value inherently results in more financial statement volatility. The fair values and the information used to record valuation adjustments for certain assets and liabilities are based either on quoted market prices or are provided by other third-party sources, when available.

Recently Issued Accounting Standards

FASB Accounting Standards Update (ASU) 2016-01

,

Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities,

was issued January 2016. The ASU addresses certain aspects of recognition, measurement, presentation, and disclosure of financial instruments. Most notably, the ASU changes the income statement impact of equity investments held by the Company and the requirement for the Company to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes.

The Company will be required to adopt the ASU provisions on January 1, 2018. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

FASB Accounting Standards Update (ASU) 2016-02,

Leases (Topic 842),

was issued February 25, 2016. The provisions of the new standard require lessees to recognize most leases on-balance sheet, increasing reported assets and liabilities. Lessor accounting remains substantially similar to current U.S. GAAP.

The Company will be required to adopt the ASU provisions January 1, 2019, utilizing the modified retrospective transition approach. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

FASB ASU 2016-09,

Improvements to Employee Share-Based Payment Accounting,

was issued March 30, 2016. The provisions of the new standard changes several aspects of the accounting for share-based payment award transactions, including: (1) Accounting and Cash Flow Classification for Excess Tax Benefits, (2) Forfeitures, and (3) Tax Withholding Requirements and Cash Flow Classification.

The Company will be required to adopt the ASU provisions January 1, 2017. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

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Note 3 - Investment Securities

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

Note 3: Investment Securities

An analysis of the amortized cost, gross unrealized gains and losses accumulated in other comprehensive income, and fair value of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale At March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Securities of U.S. Government sponsored entities	$	360,219	$	668	$	(158	)	$	360,729
Agency residential mortgage-backed securities (MBS)		198,740		1,460		(2,931	)		197,269
Non-agency residential MBS		345		8		-			353
Non-agency commercial MBS		2,298		9		(5	)		2,302
Obligations of states and political subdivisions		139,551		9,048		(41	)		148,558
Asset-backed securities		1,680		-		(22	)		1,658
FHLMC (1) and FNMA (2) stock		775		3,016		-			3,791
Corporate securities		868,796		3,670		(3,719	)		868,747
Other securities		2,036		667		(140	)		2,563
Total	$	1,574,440	$	18,546	$	(7,016	)	$	1,585,970

(1)

Federal Home Loan Mortgage Corporation

(2)

Federal National Mortgage Association

An analysis of the amortized cost, gross unrecognized gains and losses, and fair value of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity At March 31, 2016
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	713	$	12	$	-		$	725
Agency residential MBS		632,696		6,398		(404	)		638,690
Non-agency residential MBS		9,415		87		(2	)		9,500
Agency commercial MBS		16,136		36		(295	)		15,877
Obligations of states and political subdivisions		699,179		18,108		(271	)		717,016
Total	$	1,358,139	$	24,641	$	(972	)	$	1,381,808

An analysis of the amortized cost, gross unrealized gains and losses accumulated in other comprehensive income, and fair value of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale At December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Securities of U.S. Government sponsored entities	$	302,292	$	255	$	(665	)	$	301,882
Agency residential mortgage-backed securities (MBS)		208,046		1,407		(6,909	)		202,544
Non-agency residential MBS		354		16		-			370
Non-agency commercial MBS		2,383		5		(9	)		2,379
Obligations of states and political subdivisions		148,705		8,861		(57	)		157,509
Asset-backed securities		2,025		-		(22	)		2,003
FHLMC (1) and FNMA (2) stock		775		3,554		-			4,329
Corporate securities		902,308		882		(6,821	)		896,369
Other securities		2,039		952		(160	)		2,831
Total	$	1,568,927	$	15,932	$	(14,643	)	$	1,570,216

(1)

Federal Home Loan Mortgage Corporation

(2)

Federal National Mortgage Association

An analysis of the amortized cost, gross unrecognized gains and losses, and fair value of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity At December 31, 2015
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	764	$	-	$	-		$	764
Agency residential MBS		595,503		1,810		(4,966	)		592,347
Non-agency residential MBS		9,667		185		-			9,852
Agency commercial MBS		16,258		20		(274	)		16,004
Obligations of states and political subdivisions		693,883		13,638		(789	)		706,732
Total	$	1,316,075	$	15,653	$	(6,029	)	$	1,325,699

The amortized cost and fair value of investment securities by contractual maturity are shown in the following tables at the dates indicated:

	At March 31, 2016
	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Maturity in years:
1 year or less	$	126,563	$	126,929	$	22,825	$	23,380
Over 1 to 5 years		983,838		984,709		269,713		273,902
Over 5 to 10 years		257,772		265,730		295,674		304,975
Over 10 years		2,073		2,324		111,680		115,484
Subtotal		1,370,246		1,379,692		699,892		717,741
MBS		201,383		199,924		658,247		664,067
Other securities		2,811		6,354		-		-
Total	$	1,574,440	$	1,585,970	$	1,358,139	$	1,381,808

Securities available for sale at March 31, 2016 with maturity dates over one year but less than five years include $

221,924

 thousand (fair value) of securities of U.S. Government sponsored entities with call options on dates within one year or less.

	At December 31, 2015
	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Maturity in years:
1 year or less	$	136,717	$	136,976	$	20,709	$	21,354
Over 1 to 5 years		1,049,786		1,044,453		259,556		262,163
Over 5 to 10 years		166,352		173,585		289,568		296,352
Over 10 years		2,475		2,749		124,814		127,627
Subtotal		1,355,330		1,357,763		694,647		707,496
MBS		210,783		205,293		621,428		618,203
Other securities		2,814		7,160		-		-
Total	$	1,568,927	$	1,570,216	$	1,316,075	$	1,325,699

Expected maturities of mortgage-related securities can differ from contractual maturities because borrowers have the right to call or prepay obligations with or without call or prepayment penalties. In addition, such factors as prepayments and interest rates may affect the yield on the carrying value of mortgage-related securities. At March 31, 2016 and December 31, 2015, the Company had no high-risk collateralized mortgage obligations as defined by regulatory guidelines.

An analysis of the gross unrealized losses of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale At March 31, 2016
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses
	($ in thousands)
Securities of U.S. Government sponsored entities		2	$	39,801	$	(158	)		-	$	-	$	-			2	$	39,801	$	(158	)
Agency residential MBS		1		7,033		(84	)		30		158,762		(2,847	)		31		165,795		(2,931	)
Non-agency commercial MBS		-		-		-			1		837		(5	)		1		837		(5	)
Obligations of states and political subdivisions		4		2,291		(14	)		3		1,118		(27	)		7		3,409		(41	)
Asset-backed securities		-		-		-			1		1,658		(22	)		1		1,658		(22	)
Corporate securities		40		198,880		(1,559	)		43		162,806		(2,160	)		83		361,686		(3,719	)
Other securities		-		-		-			1		1,860		(140	)		1		1,860		(140	)
Total		47	$	248,005	$	(1,815	)		79	$	327,041	$	(5,201	)		126	$	575,046	$	(7,016	)

An analysis of gross unrecognized losses of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity At March 31, 2016
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses
	($ in thousands)
Agency residential MBS		6	$	13,853	$	(58	)		8	$	34,193	$	(346	)		14	$	48,046	$	(404	)
Non-agency residential MBS		1		1,366		(2	)		-		-		-			1		1,366		(2	)
Agency commercial MBS		-		-		-			2		13,823		(295	)		2		13,823		(295	)
Obligations of states and political subdivisions		30		26,386		(113	)		18		15,044		(158	)		48		41,430		(271	)
Total		37	$	41,605	$	(173	)		28	$	63,060	$	(799	)		65	$	104,665	$	(972	)

The unrealized losses on the Company’s investment securities were caused by market conditions for these types of investments, particularly changes in risk-free interest rates. The Company evaluates securities on a quarterly basis including changes in security ratings issued by ratings agencies, changes in the financial condition of the issuer, and, for mortgage-backed and asset-backed securities, delinquency and loss information with respect to the underlying collateral, changes in the levels of subordination for the Company’s particular position within the repayment structure and remaining credit enhancement as compared to expected credit losses of the security. Substantially all of these securities continue to be investment grade rated by a major rating agency. In addition to monitoring credit rating agency evaluations, Management performs its own evaluations regarding the credit worthiness of the issuer or the securitized assets underlying asset backed securities.

The Company does not intend to sell any investments and has concluded that it is more likely than not that it will not be required to sell the investments prior to recovery of the amortized cost basis. Therefore, the Company does not consider these investments to be other-than-temporarily impaired as of March 31, 2016.

The fair values of the investment securities could decline in the future if the general economy deteriorates, inflation increases, credit ratings decline, the issuer’s financial condition deteriorates, or the liquidity for securities declines. As a result, other than temporary impairments may occur in the future.

As of March 31, 2016, $

712,412

 thousand of investment securities were pledged to secure public deposits and short-term borrowed funds. As of December 31, 2015, $738,865  thousand of investment securities were pledged to secure public deposits and short-term borrowed funds.

An analysis of gross unrealized losses of investment securities available for sale follows:

	Investment Securities Available for Sale At December 31, 2015
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses
	($ in thousands)
Securities of U.S. Government sponsored entities		8	$	121,392	$	(665	)		-	$	-	$	-			8	$	121,392	$	(665	)
Agency residential MBS		2		12,491		(366	)		31		161,296		(6,543	)		33		173,787		(6,909	)
Non-agency commercial MBS		1		1,071		-			1		855		(9	)		2		1,926		(9	)
Obligations of states and political subdivisions		3		2,728		(18	)		4		1,644		(39	)		7		4,372		(57	)
Asset-backed securities		-		-		-			1		2,003		(22	)		1		2,003		(22	)
Corporate securities		97		548,177		(5,442	)		25		86,762		(1,379	)		122		634,939		(6,821	)
Other securities		-		-		-			1		1,840		(160	)		1		1,840		(160	)
Total		111	$	685,859	$	(6,491	)		63	$	254,400	$	(8,152	)		174	$	940,259	$	(14,643	)

An analysis of gross unrecognized losses of investment securities held to maturity follows:

	Investment Securities Held to Maturity At December 31, 2015
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses
	($ in thousands)
Agency residential MBS		41	$	426,317	$	(3,490	)		13	$	62,041	$	(1,476	)		54	$	488,358	$	(4,966	)
Agency commercial MBS		-		-		-			2		13,951		(274	)		2		13,951		(274	)
Obligations of states and political subdivisions		55		44,585		(249	)		54		42,081		(540	)		109		86,666		(789	)
Total		96	$	470,902	$	(3,739	)		69	$	118,073	$	(2,290	)		165	$	588,975	$	(6,029	)

The following table provides information about the amount of interest income earned on investment securities which is fully taxable and which is exempt from regular federal income tax:

	For the Three Months Ended March 31,
	2016		2015
	(In thousands)
Taxable	$	9,674	$	7,554
Tax-exempt from regular federal income tax		5,620		6,133
Total interest income from investment securities	$	15,294	$	13,687

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Note 4 - Loans and Allowance for Loan Losses

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Note 4: Loans and Allowance for Loan Losses

A summary of the major categories of loans outstanding is shown in the following tables.

	At March 31, 2016
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	341,898		$	515,183		$	2,147	$	109,201		$	341,654		$	1,310,083
Purchased covered loans :
Gross purchased covered loans		-			-			-		2,330			11,352			13,682
Purchased loan discount		-			-			-		-			(18	)		(18	)
Purchased non-covered loans :
Gross purchased non-covered loans		14,447			108,968			960		229			30,929			155,533
Purchased loan discount		(931	)		(3,975	)		-		(23	)		(1,155	)		(6,084	)
Total	$	355,414		$	620,176		$	3,107	$	111,737		$	382,762		$	1,473,196

	At December 31, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	368,117		$	517,070		$	2,978	$	117,631		$	346,043		$	1,351,839
Purchased covered loans :
Gross purchased covered loans		-			-			-		2,385			11,828			14,213
Purchased loan discount		-			-			-		(133	)		(19	)		(152	)
Purchased non-covered loans :
Gross purchased non-covered loans		15,620			124,650			973		231			32,454			173,928
Purchased loan discount		(989	)		(4,264	)		-		(23	)		(1,156	)		(6,432	)
Total	$	382,748		$	637,456		$	3,951	$	120,091		$	389,150		$	1,533,396

Changes in the carrying amount of impaired purchased loans were as follows:

	For the Three Months Ended March 31, 2016			For the Year Ended December 31, 2015
Impaired purchased loans	(In thousands)
Carrying amount at the beginning of the period	$	3,887		$	4,672
Reductions during the period		(2,628	)		(785	)
Carrying amount at the end of the period	$	1,259		$	3,887

Changes in the accretable yield for purchased loans were as follows:

	For the Three Months Ended March 31, 2016			For the Year Ended December 31, 2015
Accretable yield:	(In thousands)
Balance at the beginning of the period	$	1,259		$	2,261
Reclassification from nonaccretable difference		1,077			3,051
Accretion		(1,319	)		(4,053	)
Balance at the end of the period	$	1,017		$	1,259
Accretion	$	(1,319	)	$	(4,053	)
Change in FDIC indemnification		694			698
(Increase) in interest income	$	(625	)	$	(3,355	)

The following summarizes activity in the allowance for loan losses:

	Allowance for Loan Losses For the Three Months Ended March 31, 2016
	Commercial			Commercial Real Estate			Construction			Residential Real Estate			Consumer Installment and Other			Purchased Non-covered Loans			Purchased Covered Loans		Unallocated			Total
	(In thousands)
Allowance for loan losses:
Balance at beginning of period	$	9,559		$	4,224		$	177		$	1,801		$	7,080		$	967		$	-	$	5,963		$	29,771
Additions:
Provision		1,214			(2	)		(47	)		(94	)		152			(1,193	)		-		(30	)		-
Deductions:
Chargeoffs		(1,171	)		-			-			-			(1,006	)		-			-		-			(2,177	)
Recoveries		245			15			-			-			457			1,176			-		-			1,893
Net loan (losses) recoveries		(926	)		15			-			-			(549	)		1,176			-		-			(284	)
Total allowance for loan losses	$	9,847		$	4,237		$	130		$	1,707		$	6,683		$	950		$	-	$	5,933		$	29,487

	Allowance for Loan Losses For the Three Months Ended March 31, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment and Other			Purchased Non-covered Loans			Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Balance at beginning of period	$	5,460		$	4,245		$	644	$	2,241		$	7,717		$	2,120		$	-	$	9,058	$	31,485
Additions:
Provision		(110	)		(137	)		86		(101	)		(281	)		247			-		296		-
Deductions:
Chargeoffs		(60	)		-			-		-			(995	)		(35	)		-		-		(1,090	)
Recoveries		180			15			-		-			590			7			-		-		792
Net loan recoveries (losses)		120			15			-		-			(405	)		(28	)		-		-		(298	)
Total allowance for loan losses	$	5,470		$	4,123		$	730	$	2,140		$	7,031		$	2,339		$	-	$	9,354	$	31,187

The allowance for loan losses and recorded investment in loans were evaluated for impairment as follows:

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment At March 31, 2016
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans		Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	5,831	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	6,416
Collectively evaluated for impairment		4,016		3,652		130		1,707		6,683		950		-		5,933		23,071
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,847	$	4,237	$	130	$	1,707	$	6,683	$	950	$	-	$	5,933	$	29,487
Carrying value of loans:
Individually evaluated for impairment	$	13,388	$	7,516	$	-	$	-	$	-	$	11,733	$	-	$	-	$	32,637
Collectively evaluated for impairment		328,510		507,667		2,147		109,201		341,654		136,658		13,463		-		1,439,300
Purchased loans with evidence of credit deterioration		-		-		-		-		-		1,058		201		-		1,259
Total	$	341,898	$	515,183	$	2,147	$	109,201	$	341,654	$	149,449	$	13,664	$	-	$	1,473,196

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment At December 31, 2015
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans		Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	4,942	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	5,527
Collectively evaluated for impairment		4,617		3,639		177		1,801		7,080		967		-		5,963		24,244
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,559	$	4,224	$	177	$	1,801	$	7,080	$	967	$	-	$	5,963	$	29,771
Carrying value of loans:
Individually evaluated for impairment	$	12,587	$	5,541	$	-	$	-	$	-	$	11,777	$	-	$	-	$	29,905
Collectively evaluated for impairment		355,530		511,529		2,978		117,631		346,043		152,038		13,855		-		1,499,604
Purchased loans with evidence of credit deterioration		-		-		-		-		-		3,681		206		-		3,887
Total	$	368,117	$	517,070	$	2,978	$	117,631	$	346,043	$	167,496	$	14,061	$	-	$	1,533,396

The Bank’s customers are small businesses, professionals and consumers. Given the scale of these borrowers, corporate credit rating agencies do not evaluate the borrowers’ financial condition. The Bank maintains a Loan Review Department which reports directly to the Board of Directors. The Loan Review Department performs independent evaluations of loans and assigns credit risk grades to evaluated loans using grading standards employed by bank regulatory agencies. Loans judged to carry lower-risk attributes are assigned a “pass” grade, with a minimal likelihood of loss. Loans judged to carry higher-risk attributes are referred to as “classified loans,” and are further disaggregated, with increasing expectations for loss recognition, as “substandard,” “doubtful,” and “loss.” Loan Review Department evaluations occur every calendar quarter. If the Bank becomes aware of deterioration in a borrower’s performance or financial condition between Loan Review Department examinations, assigned risk grades are re-evaluated promptly. Credit risk grades assigned by the Loan Review Department are subject to review by the Bank’s regulatory authorities during regulatory examinations.

The following summarizes the credit risk profile by internally assigned grade:

	Credit Risk Profile by Internally Assigned Grade At March 31, 2016
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans (1)			Total
	(In thousands)
Grade:
Pass	$	321,513	$	492,359	$	2,147	$	106,117	$	340,536	$	133,109		$	11,938		$	1,407,719
Substandard		18,544		22,824		-		3,084		843		22,329			1,744			69,368
Doubtful		1,841		-		-		-		21		18			-			1,880
Loss		-		-		-		-		254		77			-			331
Purchased loan discount		-		-		-		-		-		(6,084	)		(18	)		(6,102	)
Total	$	341,898	$	515,183	$	2,147	$	109,201	$	341,654	$	149,449		$	13,664		$	1,473,196

(1)

Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

	Credit Risk Profile by Internally Assigned Grade At December 31, 2015
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans (1)			Total
	(In thousands)
Grade:
Pass	$	353,474	$	496,744	$	2,978	$	114,525	$	344,876	$	149,100		$	12,563		$	1,474,260
Substandard		14,643		20,326		-		3,106		781		24,810			1,650			65,316
Doubtful		-		-		-		-		12		18			-			30
Loss		-		-		-		-		374		-			-			374
Purchased loan discount		-		-		-		-		-		(6,432	)		(152	)		(6,584	)
Total	$	368,117	$	517,070	$	2,978	$	117,631	$	346,043	$	167,496		$	14,061		$	1,533,396

(1)

Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

The following tables summarize loans by delinquency and nonaccrual status:

	Summary of Loans by Delinquency and Nonaccrual Status At March 31, 2016
	Current and Accruing		30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		Past Due 90 Days or More and Accruing		Nonaccrual		Total Loans
	(In thousands)
Commercial	$	338,683	$	780	$	308	$	-	$	2,127	$	341,898
Commercial real estate		505,878		715		400		-		8,190		515,183
Construction		2,147		-		-		-		-		2,147
Residential real estate		105,355		2,350		767		-		729		109,201
Consumer installment and other		338,687		2,137		647		183		-		341,654
Total originated loans		1,290,750		5,982		2,122		183		11,046		1,310,083
Purchased non-covered loans		141,930		721		40		77		6,681		149,449
Purchased covered loans		13,635		-		29		-		-		13,664
Total	$	1,446,315	$	6,703	$	2,191	$	260	$	17,727	$	1,473,196

	Summary of Loans by Delinquency and Nonaccrual Status At December 31, 2015
	Current and Accruing		30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		Past Due 90 Days or More and Accruing		Nonaccrual		Total Loans
	(In thousands)
Commercial	$	365,450	$	1,777	$	122	$	-	$	768	$	368,117
Commercial real estate		504,970		5,930		726		-		5,444		517,070
Construction		2,978		-		-		-		-		2,978
Residential real estate		115,575		1,202		414		-		440		117,631
Consumer installment and other		341,566		3,263		919		295		-		346,043
Total originated loans		1,330,539		12,172		2,181		295		6,652		1,351,839
Purchased non-covered loans		158,554		589		7		-		8,346		167,496
Purchased covered loans		13,929		132		-		-		-		14,061
Total	$	1,503,022	$	12,893	$	2,188	$	295	$	14,998	$	1,533,396

The following is a summary of the effect of nonaccrual loans on interest income:

	For the Three Months Ended March 31,
	2016			2015
	(In thousands)
Interest income that would have been recognized had the loans performed in accordance with their original terms	$	280		$	311
Less: Interest income recognized on nonaccrual loans		(263	)		(205	)
Total reduction of interest income	$	17		$	106

There were no commitments to lend additional funds to borrowers whose loans were on nonaccrual status at

March 31, 2016

and December 31, 2015.

The following summarizes impaired loans:

	Impaired Loans At March 31, 2016
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,099	$	2,185	$	-
Commercial real estate		16,069		20,742		-
Construction		271		271		-
Residential real estate		953		984		-
Consumer installment and other		344		451		-
Impaired loans with an allowance recorded:
Commercial		11,634		12,452		5,831
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	13,733	$	14,637	$	5,831
Commercial real estate		20,729		25,851		585
Construction		271		271		-
Residential real estate		953		984		-
Consumer installment and other		344		451		-

	Impaired Loans At December 31, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,917	$	2,979	$	-
Commercial real estate		16,309		21,168		-
Construction		271		271		-
Residential real estate		666		697		-
Consumer installment and other		350		456		-
Impaired loans with an allowance recorded:
Commercial		10,170		10,170		4,942
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	13,087	$	13,149	$	4,942
Commercial real estate		20,969		26,277		585
Construction		271		271		-
Residential real estate		666		697		-
Consumer installment and other		350		456		-

Impaired loans include troubled debt restructured loans. Impaired loans at March 31, 2016, included $

19,645

thousand of restructured loans, $

12,114

thousand of which were on nonaccrual status. Impaired loans at December 31, 2015, included $

15,712

thousand of restructured loans, $

7,464

thousand of which were on nonaccrual status.

	Impaired Loans For the Three Months Ended March 31,
	2016				2015
	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
	(In thousands)
Commercial	$	13,410	$	133	$	12,226	$	146
Commercial real estate		20,849		159		18,318		257
Construction		271		-		917		-
Residential real estate		810		4		860		6
Consumer installment and other		347		6		1,254		6
Total	$	35,687	$	302	$	33,575	$	415

The following table provides information on troubled debt restructurings:

	Troubled Debt Restructurings
	At March 31, 2016
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		7	$	2,568	$	2,156	$	194
Commercial real estate		11		17,587		17,265		585
Residential real estate		1		242		224		-
Total		19	$	20,397	$	19,645	$	779

	Troubled Debt Restructurings
	At December 31, 2015
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	3,138	$	2,802	$	194
Commercial real estate		10		12,927		12,684		-
Residential real estate		1		242		226		-
Total		17	$	16,307	$	15,712	$	194

During the three months ended March 31, 2016, the Company modified

three

loans with a carrying value of $

4,757

thousand that were considered troubled debt restructurings. The concessions granted in the first quarter 2016 consisted of two modifications of payment terms to extend the maturity date to allow for deferred principal repayment and under-market terms and one court order requiring under-market terms. During the three months ended March 31, 2015, the Company modified five loans with a carrying value of $1,736 thousand that were considered troubled debt restructurings. The concessions granted in the first quarter 2015 consisted of modification of payment terms to extend the maturity date to allow for deferred principal repayment and under-market terms. During the three months ended March 31, 2016 and 2015, no troubled debt restructured loans defaulted. A troubled debt restructuring is considered to be in default when payments are ninety days or more past due.

There were no loans restricted due to collateral requirements

at March 31, 2016

and December 31, 2015.

There were no loans held for sale

at March 31, 2016

and December 31, 2015.

At March 31, 2016 and December 31, 2015, the Company held total other real estate owned (OREO) of $

8,438

thousand net of reserve of $

2,102

thousand and $

9,264

thousand net of reserve of $

1,986

thousand, respectively, of which $

-0-

  thousand was foreclosed residential real estate properties. The amount of consumer mortgage loans outstanding secured by residential real estate properties for which formal foreclosure proceedings were in process was $

-0-

  thousand at March 31, 2016 and December 31, 2015.

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Note 5 - Concentration of Credit Risk

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

Note 5: Concentration of Credit Risk

Under the California Financial Code, credit extended to any one person owing to a commercial bank at any one time shall not exceed the following limitations: (a) unsecured loans shall not exceed 15 percent of the sum of the shareholders' equity, allowance for loan losses, capital notes, and debentures of the bank, or (b) secured and unsecured loans in all shall not exceed 25 percent of the sum of the shareholders' equity, allowance for loan losses, capital notes, and debentures of the bank.

At March 31, 2016

, Westamerica Bank did not have credit extended to any one entity exceeding these limits. At March 31, 2016, Westamerica Bank had

38

lending relationships with aggregate loans exceeding $5 million. The Company has significant credit arrangements that are secured by real estate collateral. In addition to real estate loans outstanding as disclosed in Note 4, the Company had loan commitments related to real estate loans of $

60,660

thousand and $

61,190

thousand at March 31, 2016 and December 31, 2015, respectively. The Company requires collateral on all real estate loans with loan-to-value ratios at origination generally no greater than 75% on commercial real estate loans and no greater than 80% on residential real estate loans. At March 31, 2016, Westamerica Bank held corporate bonds in

48

issuing entities which exceeded $5 million of each issuer.

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Note 6 - Other Assets

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Other Assets Disclosure [Text Block]

Note 6: Other Assets

Other assets consisted of the following:

	At March 31, 2016		At December 31, 2015
	(In thousands)
Cost method equity investments:
Federal Reserve Bank stock (1)	$	14,069	$	14,069
Other investments		201		201
Total cost method equity investments		14,270		14,270
Life insurance cash surrender value		49,607		48,972
Net deferred tax asset		47,069		51,748
Limited partnership investments		14,551		15,259
Interest receivable		18,795		20,174
Prepaid assets		4,732		4,771
Other assets		14,180		10,660
Total other assets	$	163,204	$	165,854

(1) A bank applying for membership in the Federal Reserve System is required to subscribe to stock in the Federal Reserve Bank (FRB) in its district in a sum equal to six percent of the bank’s paid-up capital stock and surplus. One-half of the amount of the bank's subscription shall be paid to the FRB and the remaining half will be subject to call when deemed necessary by the Board of Governors of the Federal Reserve System.

The Company invests in flow-through limited liability entities that manage or invest in affordable housing projects that qualify for low-income housing tax credits. At March 31, 2016, this investment totaled $

14,551

thousand and $

2,299

thousand of this amount represents outstanding equity capital commitments that are included in other liabilities. At December 31, 2015, this investment totaled $

15,259

thousand and $

2,299

thousand of this amount represents outstanding equity capital commitments. At March 31, 2016, the $

2,299

thousand of outstanding equity capital commitments are expected to be paid as follows, $

453

thousand in 2016, $

763

thousand in 2017, and $

1,083

thousand in 2018, or thereafter.

The amounts recognized in net income for these investments include:

	For the Three Months Ended March 31,
	2016		2015
	(In thousands)
Investment loss included in pre-tax income	$	675	$	675
Tax credits recognized in provision for income taxes		598		658

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Note 7 - Goodwill and Identifiable Intangible Assets

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

Note 7: Goodwill and Identifiable Intangible Assets

The Company has recorded goodwill and other identifiable intangibles associated with purchase business combinations. Goodwill is not amortized, but is evaluated for impairment at least annually. The Company did not recognize impairment during the three months ended March 31, 2016 and year ended December 31, 2015. Identifiable intangibles are amortized to their estimated residual values over their expected useful lives. Such lives and residual values are also periodically reassessed to determine if any amortization period adjustments are indicated. During the three months ended March 31, 2016 and year ended December 31, 2015, no such adjustments were recorded.

The carrying values of goodwill were:

	At March 31, 2016		At December 31, 2015
	(In thousands)
Goodwill	$	121,673	$	121,673

The gross carrying amount of identifiable intangible assets and accumulated amortization was:

	At March 31, 2016					At December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(47,628	)	$	56,808	$	(46,782	)
Merchant Draft Processing Intangible		10,300		(9,954	)		10,300		(9,895	)
Total Identifiable Intangible Assets	$	67,108	$	(57,582	)	$	67,108	$	(56,677	)

As of March 31, 2016, the current period and estimated future amortization expense for identifiable intangible assets was:

	Merchant Core Deposit Intangibles		Draft Processing Intangible		Total
	(In thousands)
For the Three Months ended March 31, 2016 (actual)	$	846	$	59	$	905
Estimate for year ended December 31, 2016		3,292		212		3,504
2017		2,913		164		3,077
2018		1,892		29		1,921
2019		538		-		538
2020		287		-		287

XML

Note 8 - Deposits and Borrowed Funds

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Deposits and Borrowed Funds [Text Block]

Note 8: Deposits and Borrowed Funds

The following table provides additional detail regarding deposits.

	Deposits
	At March 31, 2016		At December 31, 2015
	(In thousands)
Noninterest-bearing	$	1,989,010	$	2,026,049
Interest-bearing:
Transaction		855,008		860,706
Savings		1,393,919		1,366,936
Time deposits less than $100 thousand		147,699		150,780
Time deposits $100 thousand through $250 thousand		93,460		96,971
Time deposits more than $250 thousand		37,654		39,217
Total deposits	$	4,516,750	$	4,540,659

Demand deposit overdrafts of $

2,951

 thousand and $

3,038

 thousand were included as loan balances at March 31, 2016 and December 31, 2015, respectively. Interest expense for aggregate time deposits with individual account balances in excess of $100 thousand was $

137

thousand in the first quarter 2016 and $

197

thousand in the first quarter 2015.

The following table provides additional detail regarding short-term borrowed funds.

	Repurchase Agreements (Sweep) Accounted for as Secured Borrowings
	At March 31, 2016		At December 31, 2015
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous
Repurchase agreements:	(In thousands)
Collateral securing borrowings:
Securities of U.S. Government sponsored entities	$	99,343	$	98,969
Obligations of states and political subdivisions		3,250		3,975
Corporate securities		49,715		54,681
Total collateral carrying value	$	152,308	$	157,625
Total short-term borrowed funds	$	52,451	$	53,028

The $35,000 thousand unsecured line of credit expired, with no outstanding balance, March 18, 2016 and was not renewed. There was no outstanding balance atDecember 31, 2015.

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Note 9 - Fair Value Measurements

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Fair Value Disclosures [Text Block]

Note 9: Fair Value Measurements

The Company uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. Available for sale investment securities are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record at fair value other assets on a nonrecurring basis, such as other real estate owned, impaired loans, certain loans held for investment, investment securities held to maturity, and other assets. These nonrecurring fair value adjustments typically involve the lower-of-cost-or-fair value accounting of individual assets.

In accordance with the Fair Value Measurement and Disclosure topic of the Codification, the Company bases its fair values on the price that would be received to sell an asset or paid to transfer a liability in the principal market or most advantageous market for an asset or liability in an orderly transaction between market participants on the measurement date under current market conditions. A fair value measurement reflects all of the assumptions that market participants would use in pricing the asset or liability, including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset, and the risk of nonperformance.

The Company groups its assets and liabilities measured at fair value into a three-level hierarchy, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. When the valuation assumptions used to measure the fair value of the asset or liability are categorized within different levels of the fair value hierarchy, the asset or liability is categorized in its entirety within the lowest level of the hierarchy. These levels are:

Level 1 – Valuation is based upon quoted prices for identical instruments traded in active exchange markets, such as the New York Stock Exchange. Level 1 includes U.S. Treasury and equity securities, which are traded by dealers or brokers in active markets. Valuations are obtained from readily available pricing sources for market transactions involving identical assets or liabilities.

Level 2 – Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. Level 2 includes federal agency securities, mortgage-backed securities, corporate securities, asset-backed securities, and municipal bonds.

Level 3 – Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect the Company’s estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques.

The Company relies on independent vendor pricing services to measure fair value for investment securities available for sale and investment securities held to maturity. The Company employs three pricing services. To validate the pricing of these vendors, the Company compares vendors’ pricing for each of the securities for consistency; significant pricing differences, if any, are evaluated using all available independent quotes with the quote closely affecting the market generally used as the fair value estimate. In addition, the Company conducts “other than temporary impairment (OTTI)” analysis on a quarterly basis; securities selected for OTTI analysis include all securities at a market price below 95 percent of par value or with a market to book ratio below 95:100. As with any valuation technique used to estimate fair value, changes in underlying assumptions used could significantly affect the results of current and future values. Accordingly, these fair value estimates may not be realized in an actual sale of the securities.

The Company regularly reviews the valuation techniques and assumptions used by its vendors and determines which valuation techniques are utilized based on observable market inputs for the type of securities being measured. The Company uses the information to determine the placement in the fair value hierarchy as level 1, 2 or 3. When the Company changes its valuation assumptions for measuring financial assets and financial liabilities at fair value, either due to changes in current market conditions or other factors, or reevaluates the valuation techniques and assumptions used by its vendors, it may need to transfer those assets or liabilities to another level in the hierarchy based on the new information. The Company recognizes these transfers at the end of the reporting period that the transfers occur. For the three months ended March 31, 2016 and 2015, there were no transfers in or out of levels 1, 2 or 3. During the quarter ended June 30, 2015, the Company reevaluated the valuation techniques and assumptions used by its vendors in valuing the Company’s available for sale securities, and based on the evaluation, transferred $437,715 thousand out of level 1 and transferred $437,715 thousand into level 2. There were no transfers into level 1 or into or out of level 3. Subsequent to June 30, 2015 and through the year ended December 31, 2015, there were no transfers into or out of levels 1, 2 or 3.

Assets Recorded at Fair Value on a Recurring Basis

The tables below present assets measured at fair value on a recurring basis on the dates indicated.

	At March 31, 2016
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
Securities of U.S. Government sponsored entities	$	360,729	$	-	$	360,729	$	-
Agency residential MBS		197,269		-		197,269		-
Non-agency residential MBS		353				353		-
Non-agency commercial MBS		2,302		-		2,302		-
Obligations of states and political subdivisions		148,558		-		148,558		-
Asset-backed securities		1,658		-		1,658		-
FHLMC and FNMA stock		3,791		6		3,785		-
Corporate securities		868,747		-		868,747		-
Other securities		2,563		703		1,860		-
Total securities available for sale	$	1,585,970	$	709	$	1,585,261	$	-

	At December 31, 2015
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
Securities of U.S. Government sponsored entities	$	301,882	$	-	$	301,882	$	-
Agency residential MBS		202,544		-		202,544		-
Non-agency residential MBS		370				370		-
Non-agency commercial MBS		2,379		-		2,379		-
Obligations of states and political subdivisions		157,509		-		157,509		-
Asset-backed securities		2,003		-		2,003		-
FHLMC and FNMA stock		4,329		7		4,322		-
Corporate securities		896,369		-		896,369		-
Other securities		2,831		991		1,840		-
Total securities available for sale	$	1,570,216	$	998	$	1,569,218	$	-

Assets Recorded at Fair Value on a Nonrecurring Basis

The Company may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis in accordance with GAAP. These adjustments to fair value usually result from application of lower-of-cost or fair-value accounting of individual assets. For assets measured at fair value on a nonrecurring basis that were recorded in the balance sheet at March 31, 2016 and December 31, 2015, the following table provides the level of valuation assumptions used to determine each adjustment and the carrying value of the related assets at period end.

	At March 31, 2016								For the Three Months Ended March 31, 2016
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	8,438	$	-	$	-	$	8,438	$	(126	)
Impaired loans		16,208		-		-		16,208		(814	)
Total assets measured at fair value on a nonrecurring basis	$	24,646	$	-	$	-	$	24,646	$	(940	)

	At December 31, 2015								For the Year Ended December 31, 2015
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	9,264	$	-	$	-	$	9,264	$	(320	)
Impaired loans		15,633		-		-		15,633		(449	)
Total assets measured at fair value on a nonrecurring basis	$	24,897	$	-	$	-	$	24,897	$	(769	)

Level 3 – Valuation is based upon independent market prices, estimated liquidation values of loan collateral or appraised value of the collateral as determined by third-party independent appraisers, less 10% for selling costs, generally. Level 3 includes other real estate owned that has been measured at fair value upon transfer to foreclosed assets and impaired loans collateralized by real property and other business asset collateral where a specific reserve has been established or a chargeoff has been recorded. Losses on other real estate owned represent losses recognized in earnings during the period subsequent to its initial classification as foreclosed assets. The unobservable inputs and qualitative information about the unobservable inputs are not presented due to the unavailability from third party evaluators.

Disclosures about Fair Value of Financial Instruments

The following section describes the valuation methodologies used by the Company for estimating fair value of financial instruments not recorded at fair value in the balance sheet.

Cash and Due from Banks

Cash and due from banks represent U.S. dollar denominated coin and currency, deposits at the Federal Reserve Bank and correspondent banks, and amounts being settled with other banks to complete the processing of customers’ daily transactions. Collectively, the Federal Reserve Bank and financial institutions operate in a market in which cash and due from banks transactions are processed continuously in significant daily volumes honoring the face value of the U.S. dollar.

Investment Securities Held to Maturity

The fair values of investment securities were estimated using quoted prices as described above for Level 2 valuation.

Loans

Loans were separated into two groups for valuation. Variable rate loans, except for those described below, which reprice frequently with changes in market rates were valued using historical cost. Fixed rate loans and variable rate loans that have reached their minimum contractual interest rates were valued by discounting the future cash flows expected to be received from the loans using current interest rates charged on loans with similar characteristics. Additionally, the allowance for loan losses of $

29,487

thousand at March 31, 2016 and $

29,771

thousand at December 31, 2015 and the purchased loan discount associated with purchased covered and purchased non-covered loans of $

18

thousand and $

6,084

thousand, respectively at March 31, 2016 and $

152

thousand and $

6,432

thousand, respectively at December 31, 2015 were applied against the estimated fair values to recognize estimated future defaults of contractual cash flows. The Company does not consider these values to be a liquidation price for the loans.

Deposit Liabilities

Deposits with no stated maturity such as checking accounts, savings accounts and money market accounts can be readily converted to cash or used to settle transactions at face value through the broad financial system operated by the Federal Reserve Bank and financial institutions. The fair value of deposits with no stated maturity is equal to the amount payable on demand. The fair values of time deposits were estimated by discounting estimated future contractual cash flows using current market rates for financial instruments with similar characteristics.

Short-Term Borrowed Funds

The carrying amount of securities sold under agreement to repurchase and other short-term borrowed funds approximate fair value due to the relatively short period of time between their origination and their expected realization.

The table below is a summary of fair value estimates for financial instruments and the level of the fair value hierarchy within which the fair value measurements are categorized, excluding financial instruments recorded at fair value on a recurring basis. The values assigned do not necessarily represent amounts which ultimately may be realized for assets or paid to settle liabilities. In addition, these values do not give effect to adjustments to fair value which may occur when financial instruments are sold or settled in larger quantities. The carrying amounts in the following table are recorded in the balance sheet under the indicated captions.

The Company has not included assets and liabilities that are not financial instruments, such as goodwill, long-term relationships with deposit, merchant processing and trust customers, other purchased intangibles, premises and equipment, deferred taxes and other assets and liabilities. The total estimated fair values do not represent, and should not be construed to represent, the underlying value of the Company.

	At March 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:
Cash and due from banks	$	471,164	$	471,164	$	471,164	$	-	$	-
Investment securities held to maturity		1,358,139		1,381,808		-		1,381,808		-
Loans		1,443,709		1,464,418		-		-		1,464,418
Financial Liabilities:
Deposits	$	4,516,750	$	4,515,926	$	-	$	4,237,937	$	277,989
Short-term borrowed funds		52,451		52,451		-		52,451		-

	At December 31, 2015
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:
Cash and due from banks	$	433,044	$	433,044	$	433,044	$	-	$	-
Investment securities held to maturity		1,316,075		1,325,699		-		1,325,699		-
Loans		1,503,625		1,517,394		-		-		1,517,394
Financial Liabilities:
Deposits	$	4,540,659	$	4,539,455	$	-	$	4,253,691	$	285,764
Short-term borrowed funds		53,028		53,028		-		53,028		-

The majority of the Company’s standby letters of credit and other commitments to extend credit carry current market interest rates if converted to loans. No premium or discount was ascribed to these commitments because virtually all funding would be at current market rates.

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Note 10 - Commitments and Contingent Liabilities

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Commitments and Contingencies Disclosure [Text Block]

Note 10: Commitments and Contingent Liabilities

Loan commitments are agreements to lend to a customer provided there is no violation of any condition established in the agreement. Commitments generally have fixed expiration dates or other termination clauses. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future funding requirements. Loan commitments are subject to the Company’s normal credit policies and collateral requirements. Unfunded loan commitments were $

321,077

thousand and $

299,884

thousand at March 31, 2016 and December 31, 2015, respectively. Standby letters of credit commit the Company to make payments on behalf of customers when certain specified future events occur. Standby letters of credit are primarily issued to support customers’ short-term financing requirements and must meet the Company’s normal credit policies and collateral requirements. Financial and performance standby letters of credit outstanding totaled $

23,581

thousand and $

26,149

thousand at March 31, 2016 and December 31, 2015, respectively. The Company also had commitments for commercial and similar letters of credit of $

-0-

thousand at March 31, 2016 and $

40

thousand at December 31, 2015. At March 31, 2016 and December 31, 2015, the Company had a reserve for unfunded commitments of $

2,593

thousand, included in other liabilities.

Due to the nature of its business, the Company is subject to various threatened or filed legal cases. Based on the advice of legal counsel, the Company does not expect such cases will have a material, adverse effect on its financial position or results of operations. Legal liabilities are accrued when obligations become probable and the amount is reasonably estimable.

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Note 11 - Earnings Per Common Share

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Earnings Per Share [Text Block]

Note 11: Earnings Per Common Share

The table below shows earnings per common share and diluted earnings per common share. Basic earnings per common share are computed by dividing net income by the average number of common shares outstanding during the period. Diluted earnings per common share are computed by dividing net income by the average number of common shares outstanding during the period plus the impact of common stock equivalents.

	For the Three Months Ended
	March 31,
	2016		2015
	(In thousands, except per share data)
Net income (numerator)	$	14,226	$	14,557
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		25,445		25,651
Basic earnings per common share	$	0.56	$	0.57
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		25,445		25,651
Add common stock equivalents for options		23		4
Weighted average number of common shares outstanding - diluted (denominator)		25,468		25,655
Diluted earnings per common share	$	0.56	$	0.57

For the three months ended March 31, 2016 and 2015, options to purchase

1,297

thousand and

1,775

thousand shares of common stock, respectively, were outstanding but not included in the computation of diluted net income per share because the option exercise price exceeded the fair value of the stock such that their inclusion would have had an anti-dilutive effect.

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Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

New Accounting Pronouncements, Policy [Policy Text Block]

Recently Issued Accounting Standards

FASB Accounting Standards Update (ASU) 2016-01

,

Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities,

was issued January 2016. The ASU addresses certain aspects of recognition, measurement, presentation, and disclosure of financial instruments. Most notably, the ASU changes the income statement impact of equity investments held by the Company and the requirement for the Company to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes.

The Company will be required to adopt the ASU provisions on January 1, 2018. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

FASB Accounting Standards Update (ASU) 2016-02,

Leases (Topic 842),

was issued February 25, 2016. The provisions of the new standard require lessees to recognize most leases on-balance sheet, increasing reported assets and liabilities. Lessor accounting remains substantially similar to current U.S. GAAP.

The Company will be required to adopt the ASU provisions January 1, 2019, utilizing the modified retrospective transition approach. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

FASB ASU 2016-09,

Improvements to Employee Share-Based Payment Accounting,

was issued March 30, 2016. The provisions of the new standard changes several aspects of the accounting for share-based payment award transactions, including: (1) Accounting and Cash Flow Classification for Excess Tax Benefits, (2) Forfeitures, and (3) Tax Withholding Requirements and Cash Flow Classification.

The Company will be required to adopt the ASU provisions January 1, 2017. Management is evaluating the impact that the ASU will have on the Company’s financial statements.

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Note 3 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	Investment Securities Available for Sale At March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Securities of U.S. Government sponsored entities	$	360,219	$	668	$	(158	)	$	360,729
Agency residential mortgage-backed securities (MBS)		198,740		1,460		(2,931	)		197,269
Non-agency residential MBS		345		8		-			353
Non-agency commercial MBS		2,298		9		(5	)		2,302
Obligations of states and political subdivisions		139,551		9,048		(41	)		148,558
Asset-backed securities		1,680		-		(22	)		1,658
FHLMC (1) and FNMA (2) stock		775		3,016		-			3,791
Corporate securities		868,796		3,670		(3,719	)		868,747
Other securities		2,036		667		(140	)		2,563
Total	$	1,574,440	$	18,546	$	(7,016	)	$	1,585,970

	Investment Securities Available for Sale At December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
Securities of U.S. Government sponsored entities	$	302,292	$	255	$	(665	)	$	301,882
Agency residential mortgage-backed securities (MBS)		208,046		1,407		(6,909	)		202,544
Non-agency residential MBS		354		16		-			370
Non-agency commercial MBS		2,383		5		(9	)		2,379
Obligations of states and political subdivisions		148,705		8,861		(57	)		157,509
Asset-backed securities		2,025		-		(22	)		2,003
FHLMC (1) and FNMA (2) stock		775		3,554		-			4,329
Corporate securities		902,308		882		(6,821	)		896,369
Other securities		2,039		952		(160	)		2,831
Total	$	1,568,927	$	15,932	$	(14,643	)	$	1,570,216

Held-to-maturity Securities [Table Text Block]

	Investment Securities Held to Maturity At March 31, 2016
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	713	$	12	$	-		$	725
Agency residential MBS		632,696		6,398		(404	)		638,690
Non-agency residential MBS		9,415		87		(2	)		9,500
Agency commercial MBS		16,136		36		(295	)		15,877
Obligations of states and political subdivisions		699,179		18,108		(271	)		717,016
Total	$	1,358,139	$	24,641	$	(972	)	$	1,381,808

	Investment Securities Held to Maturity At December 31, 2015
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	764	$	-	$	-		$	764
Agency residential MBS		595,503		1,810		(4,966	)		592,347
Non-agency residential MBS		9,667		185		-			9,852
Agency commercial MBS		16,258		20		(274	)		16,004
Obligations of states and political subdivisions		693,883		13,638		(789	)		706,732
Total	$	1,316,075	$	15,653	$	(6,029	)	$	1,325,699

Investments Classified by Contractual Maturity Date [Table Text Block]

	At March 31, 2016
	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Maturity in years:
1 year or less	$	126,563	$	126,929	$	22,825	$	23,380
Over 1 to 5 years		983,838		984,709		269,713		273,902
Over 5 to 10 years		257,772		265,730		295,674		304,975
Over 10 years		2,073		2,324		111,680		115,484
Subtotal		1,370,246		1,379,692		699,892		717,741
MBS		201,383		199,924		658,247		664,067
Other securities		2,811		6,354		-		-
Total	$	1,574,440	$	1,585,970	$	1,358,139	$	1,381,808

	At December 31, 2015
	Securities Available for Sale				Securities Held to Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Maturity in years:
1 year or less	$	136,717	$	136,976	$	20,709	$	21,354
Over 1 to 5 years		1,049,786		1,044,453		259,556		262,163
Over 5 to 10 years		166,352		173,585		289,568		296,352
Over 10 years		2,475		2,749		124,814		127,627
Subtotal		1,355,330		1,357,763		694,647		707,496
MBS		210,783		205,293		621,428		618,203
Other securities		2,814		7,160		-		-
Total	$	1,568,927	$	1,570,216	$	1,316,075	$	1,325,699

Schedule of Unrealized Loss on Investments [Table Text Block]

	Investment Securities Available for Sale At March 31, 2016
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses
	($ in thousands)
Securities of U.S. Government sponsored entities		2	$	39,801	$	(158	)		-	$	-	$	-			2	$	39,801	$	(158	)
Agency residential MBS		1		7,033		(84	)		30		158,762		(2,847	)		31		165,795		(2,931	)
Non-agency commercial MBS		-		-		-			1		837		(5	)		1		837		(5	)
Obligations of states and political subdivisions		4		2,291		(14	)		3		1,118		(27	)		7		3,409		(41	)
Asset-backed securities		-		-		-			1		1,658		(22	)		1		1,658		(22	)
Corporate securities		40		198,880		(1,559	)		43		162,806		(2,160	)		83		361,686		(3,719	)
Other securities		-		-		-			1		1,860		(140	)		1		1,860		(140	)
Total		47	$	248,005	$	(1,815	)		79	$	327,041	$	(5,201	)		126	$	575,046	$	(7,016	)

	Investment Securities Held to Maturity At March 31, 2016
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses
	($ in thousands)
Agency residential MBS		6	$	13,853	$	(58	)		8	$	34,193	$	(346	)		14	$	48,046	$	(404	)
Non-agency residential MBS		1		1,366		(2	)		-		-		-			1		1,366		(2	)
Agency commercial MBS		-		-		-			2		13,823		(295	)		2		13,823		(295	)
Obligations of states and political subdivisions		30		26,386		(113	)		18		15,044		(158	)		48		41,430		(271	)
Total		37	$	41,605	$	(173	)		28	$	63,060	$	(799	)		65	$	104,665	$	(972	)

	Investment Securities Available for Sale At December 31, 2015
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses			Investment Positions		Fair Value		Unrealized Losses
	($ in thousands)
Securities of U.S. Government sponsored entities		8	$	121,392	$	(665	)		-	$	-	$	-			8	$	121,392	$	(665	)
Agency residential MBS		2		12,491		(366	)		31		161,296		(6,543	)		33		173,787		(6,909	)
Non-agency commercial MBS		1		1,071		-			1		855		(9	)		2		1,926		(9	)
Obligations of states and political subdivisions		3		2,728		(18	)		4		1,644		(39	)		7		4,372		(57	)
Asset-backed securities		-		-		-			1		2,003		(22	)		1		2,003		(22	)
Corporate securities		97		548,177		(5,442	)		25		86,762		(1,379	)		122		634,939		(6,821	)
Other securities		-		-		-			1		1,840		(160	)		1		1,840		(160	)
Total		111	$	685,859	$	(6,491	)		63	$	254,400	$	(8,152	)		174	$	940,259	$	(14,643	)

	Investment Securities Held to Maturity At December 31, 2015
	No. of		Less than 12 months					No. of		12 months or longer					No. of		Total
	Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses			Investment Positions		Fair Value		Unrecognized Losses
	($ in thousands)
Agency residential MBS		41	$	426,317	$	(3,490	)		13	$	62,041	$	(1,476	)		54	$	488,358	$	(4,966	)
Agency commercial MBS		-		-		-			2		13,951		(274	)		2		13,951		(274	)
Obligations of states and political subdivisions		55		44,585		(249	)		54		42,081		(540	)		109		86,666		(789	)
Total		96	$	470,902	$	(3,739	)		69	$	118,073	$	(2,290	)		165	$	588,975	$	(6,029	)

Interest Income from Investments [Table Text Block]

	For the Three Months Ended March 31,
	2016		2015
	(In thousands)
Taxable	$	9,674	$	7,554
Tax-exempt from regular federal income tax		5,620		6,133
Total interest income from investment securities	$	15,294	$	13,687

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Note 4 - Loans and Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Loans Receivable [Table Text Block]

	At March 31, 2016
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	341,898		$	515,183		$	2,147	$	109,201		$	341,654		$	1,310,083
Purchased covered loans :
Gross purchased covered loans		-			-			-		2,330			11,352			13,682
Purchased loan discount		-			-			-		-			(18	)		(18	)
Purchased non-covered loans :
Gross purchased non-covered loans		14,447			108,968			960		229			30,929			155,533
Purchased loan discount		(931	)		(3,975	)		-		(23	)		(1,155	)		(6,084	)
Total	$	355,414		$	620,176		$	3,107	$	111,737		$	382,762		$	1,473,196

	At December 31, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	368,117		$	517,070		$	2,978	$	117,631		$	346,043		$	1,351,839
Purchased covered loans :
Gross purchased covered loans		-			-			-		2,385			11,828			14,213
Purchased loan discount		-			-			-		(133	)		(19	)		(152	)
Purchased non-covered loans :
Gross purchased non-covered loans		15,620			124,650			973		231			32,454			173,928
Purchased loan discount		(989	)		(4,264	)		-		(23	)		(1,156	)		(6,432	)
Total	$	382,748		$	637,456		$	3,951	$	120,091		$	389,150		$	1,533,396

Impaired Purchased Loans Roll Forward [Table Text Block]

	For the Three Months Ended March 31, 2016			For the Year Ended December 31, 2015
Impaired purchased loans	(In thousands)
Carrying amount at the beginning of the period	$	3,887		$	4,672
Reductions during the period		(2,628	)		(785	)
Carrying amount at the end of the period	$	1,259		$	3,887

Accretable Yield Reconciliation Schedule [Table Text Block]

	For the Three Months Ended March 31, 2016			For the Year Ended December 31, 2015
Accretable yield:	(In thousands)
Balance at the beginning of the period	$	1,259		$	2,261
Reclassification from nonaccretable difference		1,077			3,051
Accretion		(1,319	)		(4,053	)
Balance at the end of the period	$	1,017		$	1,259
Accretion	$	(1,319	)	$	(4,053	)
Change in FDIC indemnification		694			698
(Increase) in interest income	$	(625	)	$	(3,355	)

Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent [Table Text Block]

	Allowance for Loan Losses For the Three Months Ended March 31, 2016
	Commercial			Commercial Real Estate			Construction			Residential Real Estate			Consumer Installment and Other			Purchased Non-covered Loans			Purchased Covered Loans		Unallocated			Total
	(In thousands)
Allowance for loan losses:
Balance at beginning of period	$	9,559		$	4,224		$	177		$	1,801		$	7,080		$	967		$	-	$	5,963		$	29,771
Additions:
Provision		1,214			(2	)		(47	)		(94	)		152			(1,193	)		-		(30	)		-
Deductions:
Chargeoffs		(1,171	)		-			-			-			(1,006	)		-			-		-			(2,177	)
Recoveries		245			15			-			-			457			1,176			-		-			1,893
Net loan (losses) recoveries		(926	)		15			-			-			(549	)		1,176			-		-			(284	)
Total allowance for loan losses	$	9,847		$	4,237		$	130		$	1,707		$	6,683		$	950		$	-	$	5,933		$	29,487

	Allowance for Loan Losses For the Three Months Ended March 31, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment and Other			Purchased Non-covered Loans			Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Balance at beginning of period	$	5,460		$	4,245		$	644	$	2,241		$	7,717		$	2,120		$	-	$	9,058	$	31,485
Additions:
Provision		(110	)		(137	)		86		(101	)		(281	)		247			-		296		-
Deductions:
Chargeoffs		(60	)		-			-		-			(995	)		(35	)		-		-		(1,090	)
Recoveries		180			15			-		-			590			7			-		-		792
Net loan recoveries (losses)		120			15			-		-			(405	)		(28	)		-		-		(298	)
Total allowance for loan losses	$	5,470		$	4,123		$	730	$	2,140		$	7,031		$	2,339		$	-	$	9,354	$	31,187

Schedule of Recorded Investment in Loans Evaluated for Impairment [Table Text Block]

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment At March 31, 2016
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans		Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	5,831	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	6,416
Collectively evaluated for impairment		4,016		3,652		130		1,707		6,683		950		-		5,933		23,071
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,847	$	4,237	$	130	$	1,707	$	6,683	$	950	$	-	$	5,933	$	29,487
Carrying value of loans:
Individually evaluated for impairment	$	13,388	$	7,516	$	-	$	-	$	-	$	11,733	$	-	$	-	$	32,637
Collectively evaluated for impairment		328,510		507,667		2,147		109,201		341,654		136,658		13,463		-		1,439,300
Purchased loans with evidence of credit deterioration		-		-		-		-		-		1,058		201		-		1,259
Total	$	341,898	$	515,183	$	2,147	$	109,201	$	341,654	$	149,449	$	13,664	$	-	$	1,473,196

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment At December 31, 2015
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans		Purchased Covered Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	4,942	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	5,527
Collectively evaluated for impairment		4,617		3,639		177		1,801		7,080		967		-		5,963		24,244
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,559	$	4,224	$	177	$	1,801	$	7,080	$	967	$	-	$	5,963	$	29,771
Carrying value of loans:
Individually evaluated for impairment	$	12,587	$	5,541	$	-	$	-	$	-	$	11,777	$	-	$	-	$	29,905
Collectively evaluated for impairment		355,530		511,529		2,978		117,631		346,043		152,038		13,855		-		1,499,604
Purchased loans with evidence of credit deterioration		-		-		-		-		-		3,681		206		-		3,887
Total	$	368,117	$	517,070	$	2,978	$	117,631	$	346,043	$	167,496	$	14,061	$	-	$	1,533,396

Financing Receivable Credit Quality Indicators [Table Text Block]

	Credit Risk Profile by Internally Assigned Grade At March 31, 2016
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans (1)			Total
	(In thousands)
Grade:
Pass	$	321,513	$	492,359	$	2,147	$	106,117	$	340,536	$	133,109		$	11,938		$	1,407,719
Substandard		18,544		22,824		-		3,084		843		22,329			1,744			69,368
Doubtful		1,841		-		-		-		21		18			-			1,880
Loss		-		-		-		-		254		77			-			331
Purchased loan discount		-		-		-		-		-		(6,084	)		(18	)		(6,102	)
Total	$	341,898	$	515,183	$	2,147	$	109,201	$	341,654	$	149,449		$	13,664		$	1,473,196

	Credit Risk Profile by Internally Assigned Grade At December 31, 2015
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans (1)			Total
	(In thousands)
Grade:
Pass	$	353,474	$	496,744	$	2,978	$	114,525	$	344,876	$	149,100		$	12,563		$	1,474,260
Substandard		14,643		20,326		-		3,106		781		24,810			1,650			65,316
Doubtful		-		-		-		-		12		18			-			30
Loss		-		-		-		-		374		-			-			374
Purchased loan discount		-		-		-		-		-		(6,432	)		(152	)		(6,584	)
Total	$	368,117	$	517,070	$	2,978	$	117,631	$	346,043	$	167,496		$	14,061		$	1,533,396

Past Due Financing Receivables [Table Text Block]

	Summary of Loans by Delinquency and Nonaccrual Status At March 31, 2016
	Current and Accruing		30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		Past Due 90 Days or More and Accruing		Nonaccrual		Total Loans
	(In thousands)
Commercial	$	338,683	$	780	$	308	$	-	$	2,127	$	341,898
Commercial real estate		505,878		715		400		-		8,190		515,183
Construction		2,147		-		-		-		-		2,147
Residential real estate		105,355		2,350		767		-		729		109,201
Consumer installment and other		338,687		2,137		647		183		-		341,654
Total originated loans		1,290,750		5,982		2,122		183		11,046		1,310,083
Purchased non-covered loans		141,930		721		40		77		6,681		149,449
Purchased covered loans		13,635		-		29		-		-		13,664
Total	$	1,446,315	$	6,703	$	2,191	$	260	$	17,727	$	1,473,196

	Summary of Loans by Delinquency and Nonaccrual Status At December 31, 2015
	Current and Accruing		30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		Past Due 90 Days or More and Accruing		Nonaccrual		Total Loans
	(In thousands)
Commercial	$	365,450	$	1,777	$	122	$	-	$	768	$	368,117
Commercial real estate		504,970		5,930		726		-		5,444		517,070
Construction		2,978		-		-		-		-		2,978
Residential real estate		115,575		1,202		414		-		440		117,631
Consumer installment and other		341,566		3,263		919		295		-		346,043
Total originated loans		1,330,539		12,172		2,181		295		6,652		1,351,839
Purchased non-covered loans		158,554		589		7		-		8,346		167,496
Purchased covered loans		13,929		132		-		-		-		14,061
Total	$	1,503,022	$	12,893	$	2,188	$	295	$	14,998	$	1,533,396

Effect Of Nonaccrual Loans On Interest Income [Table Text Block]

	For the Three Months Ended March 31,
	2016			2015
	(In thousands)
Interest income that would have been recognized had the loans performed in accordance with their original terms	$	280		$	311
Less: Interest income recognized on nonaccrual loans		(263	)		(205	)
Total reduction of interest income	$	17		$	106

Impaired Financing Receivables [Table Text Block]

	Impaired Loans At March 31, 2016
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,099	$	2,185	$	-
Commercial real estate		16,069		20,742		-
Construction		271		271		-
Residential real estate		953		984		-
Consumer installment and other		344		451		-
Impaired loans with an allowance recorded:
Commercial		11,634		12,452		5,831
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	13,733	$	14,637	$	5,831
Commercial real estate		20,729		25,851		585
Construction		271		271		-
Residential real estate		953		984		-
Consumer installment and other		344		451		-

	Impaired Loans At December 31, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,917	$	2,979	$	-
Commercial real estate		16,309		21,168		-
Construction		271		271		-
Residential real estate		666		697		-
Consumer installment and other		350		456		-
Impaired loans with an allowance recorded:
Commercial		10,170		10,170		4,942
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	13,087	$	13,149	$	4,942
Commercial real estate		20,969		26,277		585
Construction		271		271		-
Residential real estate		666		697		-
Consumer installment and other		350		456		-

Impaired Financing Receivables Supplemental Schedule [Table Text Block]

	Impaired Loans For the Three Months Ended March 31,
	2016				2015
	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
	(In thousands)
Commercial	$	13,410	$	133	$	12,226	$	146
Commercial real estate		20,849		159		18,318		257
Construction		271		-		917		-
Residential real estate		810		4		860		6
Consumer installment and other		347		6		1,254		6
Total	$	35,687	$	302	$	33,575	$	415

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

	Troubled Debt Restructurings
	At March 31, 2016
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		7	$	2,568	$	2,156	$	194
Commercial real estate		11		17,587		17,265		585
Residential real estate		1		242		224		-
Total		19	$	20,397	$	19,645	$	779

	Troubled Debt Restructurings
	At December 31, 2015
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	3,138	$	2,802	$	194
Commercial real estate		10		12,927		12,684		-
Residential real estate		1		242		226		-
Total		17	$	16,307	$	15,712	$	194

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Note 6 - Other Assets (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Other Assets [Table Text Block]

	At March 31, 2016		At December 31, 2015
	(In thousands)
Cost method equity investments:
Federal Reserve Bank stock (1)	$	14,069	$	14,069
Other investments		201		201
Total cost method equity investments		14,270		14,270
Life insurance cash surrender value		49,607		48,972
Net deferred tax asset		47,069		51,748
Limited partnership investments		14,551		15,259
Interest receivable		18,795		20,174
Prepaid assets		4,732		4,771
Other assets		14,180		10,660
Total other assets	$	163,204	$	165,854

Schedule of Amounts Recognized in Net Income [Table Text Block]

	For the Three Months Ended March 31,
	2016		2015
	(In thousands)
Investment loss included in pre-tax income	$	675	$	675
Tax credits recognized in provision for income taxes		598		658

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Note 7 - Goodwill and Identifiable Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Goodwill [Table Text Block]

	At March 31, 2016		At December 31, 2015
	(In thousands)
Goodwill	$	121,673	$	121,673

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	At March 31, 2016					At December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(47,628	)	$	56,808	$	(46,782	)
Merchant Draft Processing Intangible		10,300		(9,954	)		10,300		(9,895	)
Total Identifiable Intangible Assets	$	67,108	$	(57,582	)	$	67,108	$	(56,677	)

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Merchant Core Deposit Intangibles		Draft Processing Intangible		Total
	(In thousands)
For the Three Months ended March 31, 2016 (actual)	$	846	$	59	$	905
Estimate for year ended December 31, 2016		3,292		212		3,504
2017		2,913		164		3,077
2018		1,892		29		1,921
2019		538		-		538
2020		287		-		287

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Note 8 - Deposits and Borrowed Funds (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Deposits [Table Text Block]

	Deposits
	At March 31, 2016		At December 31, 2015
	(In thousands)
Noninterest-bearing	$	1,989,010	$	2,026,049
Interest-bearing:
Transaction		855,008		860,706
Savings		1,393,919		1,366,936
Time deposits less than $100 thousand		147,699		150,780
Time deposits $100 thousand through $250 thousand		93,460		96,971
Time deposits more than $250 thousand		37,654		39,217
Total deposits	$	4,516,750	$	4,540,659

Schedule of Repurchase Agreements [Table Text Block]

	Repurchase Agreements (Sweep) Accounted for as Secured Borrowings
	At March 31, 2016		At December 31, 2015
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous
Repurchase agreements:	(In thousands)
Collateral securing borrowings:
Securities of U.S. Government sponsored entities	$	99,343	$	98,969
Obligations of states and political subdivisions		3,250		3,975
Corporate securities		49,715		54,681
Total collateral carrying value	$	152,308	$	157,625
Total short-term borrowed funds	$	52,451	$	53,028

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Note 9 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	At March 31, 2016
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
Securities of U.S. Government sponsored entities	$	360,729	$	-	$	360,729	$	-
Agency residential MBS		197,269		-		197,269		-
Non-agency residential MBS		353				353		-
Non-agency commercial MBS		2,302		-		2,302		-
Obligations of states and political subdivisions		148,558		-		148,558		-
Asset-backed securities		1,658		-		1,658		-
FHLMC and FNMA stock		3,791		6		3,785		-
Corporate securities		868,747		-		868,747		-
Other securities		2,563		703		1,860		-
Total securities available for sale	$	1,585,970	$	709	$	1,585,261	$	-

	At December 31, 2015
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
Securities of U.S. Government sponsored entities	$	301,882	$	-	$	301,882	$	-
Agency residential MBS		202,544		-		202,544		-
Non-agency residential MBS		370				370		-
Non-agency commercial MBS		2,379		-		2,379		-
Obligations of states and political subdivisions		157,509		-		157,509		-
Asset-backed securities		2,003		-		2,003		-
FHLMC and FNMA stock		4,329		7		4,322		-
Corporate securities		896,369		-		896,369		-
Other securities		2,831		991		1,840		-
Total securities available for sale	$	1,570,216	$	998	$	1,569,218	$	-

Fair Value Measurements, Nonrecurring [Table Text Block]

	At March 31, 2016								For the Three Months Ended March 31, 2016
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	8,438	$	-	$	-	$	8,438	$	(126	)
Impaired loans		16,208		-		-		16,208		(814	)
Total assets measured at fair value on a nonrecurring basis	$	24,646	$	-	$	-	$	24,646	$	(940	)

	At December 31, 2015								For the Year Ended December 31, 2015
	Carrying Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	9,264	$	-	$	-	$	9,264	$	(320	)
Impaired loans		15,633		-		-		15,633		(449	)
Total assets measured at fair value on a nonrecurring basis	$	24,897	$	-	$	-	$	24,897	$	(769	)

Fair Value, by Balance Sheet Grouping [Table Text Block]

	At March 31, 2016
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:
Cash and due from banks	$	471,164	$	471,164	$	471,164	$	-	$	-
Investment securities held to maturity		1,358,139		1,381,808		-		1,381,808		-
Loans		1,443,709		1,464,418		-		-		1,464,418
Financial Liabilities:
Deposits	$	4,516,750	$	4,515,926	$	-	$	4,237,937	$	277,989
Short-term borrowed funds		52,451		52,451		-		52,451		-

	At December 31, 2015
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial Assets:
Cash and due from banks	$	433,044	$	433,044	$	433,044	$	-	$	-
Investment securities held to maturity		1,316,075		1,325,699		-		1,325,699		-
Loans		1,503,625		1,517,394		-		-		1,517,394
Financial Liabilities:
Deposits	$	4,540,659	$	4,539,455	$	-	$	4,253,691	$	285,764
Short-term borrowed funds		53,028		53,028		-		53,028		-

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Note 11 - Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	For the Three Months Ended
	March 31,
	2016		2015
	(In thousands, except per share data)
Net income (numerator)	$	14,226	$	14,557
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		25,445		25,651
Basic earnings per common share	$	0.56	$	0.57
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		25,445		25,651
Add common stock equivalents for options		23		4
Weighted average number of common shares outstanding - diluted (denominator)		25,468		25,655
Diluted earnings per common share	$	0.56	$	0.57

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Note 3 - Investment Securities (Details Textual) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Call Option [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	$ 221,924,000
High Risk Collateralized Mortgage Obligations	0	$ 0
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	984,709,000	1,044,453,000
Pledged Financial Instruments, Not Separately Reported, Securities	$ 712,412,000	$ 738,865,000

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Note 3 - Investment Securities - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
US Government-sponsored Enterprises Debt Securities [Member]
Amortized Cost		$ 360,219	$ 302,292
Gross Unrealized Gains		668	255
Gross Unrealized Losses		(158)	(665)
Fair Value		360,729	301,882
Agency Residential MBS [Member]
Amortized Cost		198,740	208,046
Gross Unrealized Gains		1,460	1,407
Gross Unrealized Losses		(2,931)	(6,909)
Fair Value		197,269	202,544
Non-agency Residential MBS [Member]
Amortized Cost		345	354
Gross Unrealized Gains		$ 8	$ 16
Gross Unrealized Losses
Fair Value		$ 353	$ 370
Non-agency Commercial MBS [Member]
Amortized Cost		2,298	2,383
Gross Unrealized Gains		9	5
Gross Unrealized Losses		(5)	(9)
Fair Value		2,302	2,379
US States and Political Subdivisions Debt Securities [Member]
Amortized Cost		139,551	148,705
Gross Unrealized Gains		9,048	8,861
Gross Unrealized Losses		(41)	(57)
Fair Value		148,558	157,509
Asset-backed Securities [Member]
Amortized Cost		$ 1,680	$ 2,025
Gross Unrealized Gains
Gross Unrealized Losses		$ (22)	$ (22)
Fair Value		1,658	2,003
FHLMC and FNMA Stock [Member]
Amortized Cost	[1],[2]	775	775
Gross Unrealized Gains	[1],[2]	$ 3,016	$ 3,554
Gross Unrealized Losses	[1],[2]
Fair Value	[1],[2]	$ 3,791	$ 4,329
Domestic Corporate Debt Securities [Member]
Amortized Cost		868,796	902,308
Gross Unrealized Gains		3,670	882
Gross Unrealized Losses		(3,719)	(6,821)
Fair Value		868,747	896,369
Other Securities [Member]
Amortized Cost		2,036	2,039
Gross Unrealized Gains		667	952
Gross Unrealized Losses		(140)	(160)
Fair Value		2,563	2,831
Amortized Cost		1,574,440	1,568,927
Gross Unrealized Gains		18,546	15,932
Gross Unrealized Losses		(7,016)	(14,643)
Fair Value		$ 1,585,970	$ 1,570,216

[1] Federal Home Loan Mortgage Corporation

[2] Federal National Mortgage Association

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Note 3 - Investment Securities - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
US Government-sponsored Enterprises Debt Securities [Member]
Amortized Cost	$ 713	$ 764
Gross Unrecognized Gains	$ 12
Gross Unrecognized Losses
Investment securities held to maturity	$ 725	$ 764
Agency Residential MBS [Member]
Amortized Cost	632,696	595,503
Gross Unrecognized Gains	6,398	1,810
Gross Unrecognized Losses	(404)	(4,966)
Investment securities held to maturity	638,690	592,347
Non-agency Residential MBS [Member]
Amortized Cost	9,415	9,667
Gross Unrecognized Gains	87	$ 185
Gross Unrecognized Losses	(2)
Investment securities held to maturity	9,500	$ 9,852
Agency Commercial MBS [Member]
Amortized Cost	16,136	16,258
Gross Unrecognized Gains	36	20
Gross Unrecognized Losses	(295)	(274)
Investment securities held to maturity	15,877	16,004
US States and Political Subdivisions Debt Securities [Member]
Amortized Cost	699,179	693,883
Gross Unrecognized Gains	18,108	13,638
Gross Unrecognized Losses	(271)	(789)
Investment securities held to maturity	717,016	706,732
Amortized Cost	1,358,139	1,316,075
Gross Unrecognized Gains	24,641	15,653
Gross Unrecognized Losses	(972)	(6,029)
Investment securities held to maturity	$ 1,381,808	$ 1,325,699

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Note 3 - Investment Securities - Amortized Cost and Estimated Market Value of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Mortgage Backed Securities [Member]
Securities Available for Sale, Amortized Cost	$ 201,383	$ 210,783
Securities Available for Sale, Estimated Market Value	199,924	205,293
Securities Held to Maturity, Amortized Cost, MBS	658,247	621,428
Securities Held to Maturity, Estimated Market Value, MBS	664,067	618,203
Other Securities [Member]
Securities Available for Sale, Amortized Cost	2,811	2,814
Securities Available for Sale, Estimated Market Value	6,354	7,160
Amortized Cost	2,036	2,039
Fair Value	2,563	2,831
Securities Available for Sale, Amortized Cost, 1 year or less	126,563	136,717
Securities Available for Sale, Estimated Market Value, 1 year or less	126,929	136,976
Securities Held to Maturity, Amortized Cost, 1 year or less	22,825	20,709
Securities Held to Maturity, Estimated Market Value, 1 year or less	23,380	21,354
Securities Available for Sale, Amortized Cost, Over 1 to 5 years	983,838	1,049,786
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	984,709	1,044,453
Securities Held to Maturity, Amortized Cost, Over 1 to 5 years	269,713	259,556
Securities Held to Maturity, Estimated Market Value, Over 1 to 5 years	273,902	262,163
Securities Available for Sale, Amortized Cost, Over 5 to 10 years	257,772	166,352
Securities Available for Sale, Estimated Market Value, Over 5 to 10 years	265,730	173,585
Securities Held to Maturity, Amortized Cost, Over 5 to 10 years	295,674	289,568
Securities Held to Maturity, Estimated Market Value, Over 5 to 10 years	304,975	296,352
Securities Available for Sale, Amortized Cost, Over 10 years	2,073	2,475
Securities Available for Sale, Estimated Market Value, Over 10 years	2,324	2,749
Securities Held to Maturity, Amortized Cost, Over 10 years	111,680	124,814
Securities Held to Maturity, Estimated Market Value, Over 10 years	115,484	127,627
Securities Available for Sale, Amortized Cost, Subtotal	1,370,246	1,355,330
Securities Available for Sale, Estimated Market Value, Subtotal	1,379,692	1,357,763
Securities Held to Maturity, Amortized Cost, Subtotal	699,892	694,647
Securities Held to Maturity, Estimated Market Value, Subtotal	717,741	707,496
Amortized Cost	1,574,440	1,568,927
Fair Value	1,585,970	1,570,216
Amortized Cost	1,358,139	1,316,075
Investment securities held to maturity	1,381,808	1,325,699
Securities Held to Maturity, Amortized Cost, Subtotal	699,892	694,647
Securities Held to Maturity, Estimated Market Value, Subtotal	717,741	707,496
Investment securities held to maturity, fair values	$ 1,381,808	$ 1,325,699

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Note 3 - Investment Securities - Gross Unrealized Losses, Investment Securities Portfolio (Details) $ in Thousands	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
US Government-sponsored Enterprises Debt Securities [Member]
Available for sale securities, less than 12 months, number of investment positions	2	8
Available for sale securities, less than 12 months, fair value	$ 39,801	$ 121,392
Available for sale securities, less than 12 months, unrealized losses	$ (158)	$ (665)
Available for sale securities, 12 months or longer, number of investment positions
Available for sale securities, 12 months or longer, fair value
Available for sale securities, 12 months or longer, unrealized losses
Available for sale securities, total, number of investment positions	2	8
Available for sale securities, total, fair value	$ 39,801	$ 121,392
Available for sale securities, total, unrealized losses	$ (158)	$ (665)
Residential Mortgage Backed Securities [Member] | Agency Securities [Member]
Available for sale securities, less than 12 months, number of investment positions	1	2
Available for sale securities, less than 12 months, fair value	$ 7,033	$ 12,491
Available for sale securities, less than 12 months, unrealized losses	$ (84)	$ (366)
Available for sale securities, 12 months or longer, number of investment positions	30	31
Available for sale securities, 12 months or longer, fair value	$ 158,762	$ 161,296
Available for sale securities, 12 months or longer, unrealized losses	$ (2,847)	$ (6,543)
Available for sale securities, total, number of investment positions	31	33
Available for sale securities, total, fair value	$ 165,795	$ 173,787
Available for sale securities, total, unrealized losses	$ (2,931)	$ (6,909)
Held to Maturity securities, less than 12 months, number of investment positions	6	41
Held to Maturity securities, less than 12 months, fair value	$ 13,853	$ 426,317
Held to Maturity securities, less than 12 months, unrecognized losses	$ (58)	$ (3,490)
Held to Maturity securities, 12 months or longer, number of investment positions	8	13
Held to Maturity securities, 12 months or longer, fair value	$ 34,193	$ 62,041
Held to Maturity securities, 12 months or longer, unrecognized losses	$ (346)	$ (1,476)
Held to Maturity securities, total, number of investment positions	14	54
Held to Maturity securities, total, fair value	$ 48,046	$ 488,358
Held to Maturity securities, total, unrecognized losses	$ (404)	$ (4,966)
Residential Mortgage Backed Securities [Member] | Non-agency Securities [Member]
Held to Maturity securities, less than 12 months, number of investment positions	1
Held to Maturity securities, less than 12 months, fair value	$ 1,366
Held to Maturity securities, less than 12 months, unrecognized losses	$ (2)
Held to Maturity securities, 12 months or longer, number of investment positions
Held to Maturity securities, 12 months or longer, fair value
Held to Maturity securities, 12 months or longer, unrecognized losses
Held to Maturity securities, total, number of investment positions	1
Held to Maturity securities, total, fair value	$ 1,366
Held to Maturity securities, total, unrecognized losses	$ (2)
Commercial Mortgage Backed Securities [Member] | Agency Securities [Member]
Held to Maturity securities, less than 12 months, number of investment positions
Held to Maturity securities, less than 12 months, fair value
Held to Maturity securities, less than 12 months, unrecognized losses
Held to Maturity securities, 12 months or longer, number of investment positions	2	2
Held to Maturity securities, 12 months or longer, fair value	$ 13,823	$ 13,951
Held to Maturity securities, 12 months or longer, unrecognized losses	$ (295)	$ (274)
Held to Maturity securities, total, number of investment positions	2	2
Held to Maturity securities, total, fair value	$ 13,823	$ 13,951
Held to Maturity securities, total, unrecognized losses	$ (295)	$ (274)
Commercial Mortgage Backed Securities [Member] | Non-agency Securities [Member]
Available for sale securities, less than 12 months, number of investment positions		1
Available for sale securities, less than 12 months, fair value		$ 1,071
Available for sale securities, less than 12 months, unrealized losses
Available for sale securities, 12 months or longer, number of investment positions	1	1
Available for sale securities, 12 months or longer, fair value	$ 837	$ 855
Available for sale securities, 12 months or longer, unrealized losses	$ (5)	$ (9)
Available for sale securities, total, number of investment positions	1	2
Available for sale securities, total, fair value	$ 837	$ 1,926
Available for sale securities, total, unrealized losses	$ (5)	$ (9)
US States and Political Subdivisions Debt Securities [Member]
Available for sale securities, less than 12 months, number of investment positions	4	3
Available for sale securities, less than 12 months, fair value	$ 2,291	$ 2,728
Available for sale securities, less than 12 months, unrealized losses	$ (14)	$ (18)
Available for sale securities, 12 months or longer, number of investment positions	3	4
Available for sale securities, 12 months or longer, fair value	$ 1,118	$ 1,644
Available for sale securities, 12 months or longer, unrealized losses	$ (27)	$ (39)
Available for sale securities, total, number of investment positions	7	7
Available for sale securities, total, fair value	$ 3,409	$ 4,372
Available for sale securities, total, unrealized losses	$ (41)	$ (57)
Held to Maturity securities, less than 12 months, number of investment positions	30	55
Held to Maturity securities, less than 12 months, fair value	$ 26,386	$ 44,585
Held to Maturity securities, less than 12 months, unrecognized losses	$ (113)	$ (249)
Held to Maturity securities, 12 months or longer, number of investment positions	18	54
Held to Maturity securities, 12 months or longer, fair value	$ 15,044	$ 42,081
Held to Maturity securities, 12 months or longer, unrecognized losses	$ (158)	$ (540)
Held to Maturity securities, total, number of investment positions	48	109
Held to Maturity securities, total, fair value	$ 41,430	$ 86,666
Held to Maturity securities, total, unrecognized losses	$ (271)	$ (789)
Asset-backed Securities [Member]
Available for sale securities, less than 12 months, number of investment positions
Available for sale securities, less than 12 months, fair value
Available for sale securities, less than 12 months, unrealized losses
Available for sale securities, 12 months or longer, number of investment positions	1	1
Available for sale securities, 12 months or longer, fair value	$ 1,658	$ 2,003
Available for sale securities, 12 months or longer, unrealized losses	$ (22)	$ (22)
Available for sale securities, total, number of investment positions	1	1
Available for sale securities, total, fair value	$ 1,658	$ 2,003
Available for sale securities, total, unrealized losses	$ (22)	$ (22)
Domestic Corporate Debt Securities [Member]
Available for sale securities, less than 12 months, number of investment positions	40	97
Available for sale securities, less than 12 months, fair value	$ 198,880	$ 548,177
Available for sale securities, less than 12 months, unrealized losses	$ (1,559)	$ (5,442)
Available for sale securities, 12 months or longer, number of investment positions	43	25
Available for sale securities, 12 months or longer, fair value	$ 162,806	$ 86,762
Available for sale securities, 12 months or longer, unrealized losses	$ (2,160)	$ (1,379)
Available for sale securities, total, number of investment positions	83	122
Available for sale securities, total, fair value	$ 361,686	$ 634,939
Available for sale securities, total, unrealized losses	$ (3,719)	$ (6,821)
Other Securities [Member]
Available for sale securities, less than 12 months, number of investment positions
Available for sale securities, less than 12 months, fair value
Available for sale securities, less than 12 months, unrealized losses
Available for sale securities, 12 months or longer, number of investment positions	1	1
Available for sale securities, 12 months or longer, fair value	$ 1,860	$ 1,840
Available for sale securities, 12 months or longer, unrealized losses	$ (140)	$ (160)
Available for sale securities, total, number of investment positions	1	1
Available for sale securities, total, fair value	$ 1,860	$ 1,840
Available for sale securities, total, unrealized losses	$ (140)	$ (160)
Available for sale securities, less than 12 months, number of investment positions	47	111
Available for sale securities, less than 12 months, fair value	$ 248,005	$ 685,859
Available for sale securities, less than 12 months, unrealized losses	$ (1,815)	$ (6,491)
Available for sale securities, 12 months or longer, number of investment positions	79	63
Available for sale securities, 12 months or longer, fair value	$ 327,041	$ 254,400
Available for sale securities, 12 months or longer, unrealized losses	$ (5,201)	$ (8,152)
Available for sale securities, total, number of investment positions	126	174
Available for sale securities, total, fair value	$ 575,046	$ 940,259
Available for sale securities, total, unrealized losses	$ (7,016)	$ (14,643)
Held to Maturity securities, less than 12 months, number of investment positions	37	96
Held to Maturity securities, less than 12 months, fair value	$ 41,605	$ 470,902
Held to Maturity securities, less than 12 months, unrecognized losses	$ (173)	$ (3,739)
Held to Maturity securities, 12 months or longer, number of investment positions	28	69
Held to Maturity securities, 12 months or longer, fair value	$ 63,060	$ 118,073
Held to Maturity securities, 12 months or longer, unrecognized losses	$ (799)	$ (2,290)
Held to Maturity securities, total, number of investment positions	65	165
Held to Maturity securities, total, fair value	$ 104,665	$ 588,975
Held to Maturity securities, total, unrecognized losses	$ (972)	$ (6,029)

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Note 3 - Investment Securities - Interest Income from Investment Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Taxable	$ 9,674	$ 7,554
Tax-exempt from regular federal income tax	5,620	6,133
Total interest income from investment securities	$ 15,294	$ 13,687

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Note 4 - Loans and Allowance for Loan Losses (Details Textual)	3 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Court Order [Member]
Troubled Debt Restructurings During Period	1
Under-market Modification to Payment Terms and Extended Maturity Date [Member]
Troubled Debt Restructurings During Period	2	5
Residential Real Estate Included in OREO [Member]
Real Estate Acquired Through Foreclosure	$ 0		$ 0
Restructured Loans [Member]
Financing Receivable, Modifications, Recorded Investment	19,645,000		15,712,000
Impaired Loans, Restructured, Nonaccrual Status	12,114,000		7,464,000
Three Loans [Member]
Financing Receivable, Modifications, Recorded Investment	$ 4,757,000
Five Loans [Member]
Financing Receivable, Modifications, Recorded Investment		$ 1,736,000
Troubled Debt Restructurings During Period	3
Loans and Leases Receivable, Nonaccrual, Commitment to Lend	$ 0		0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Pledged Financial Instruments, Not Separately Reported, Loans Receivable Pledged as Collateral	$ 0		0
Loans Receivable Held-for-sale, Amount	0		0
Mortgage Loans in Process of Foreclosure, Amount	0		0
Financing Receivable, Modifications, Recorded Investment	19,645,000		15,712,000
Other Real Estate	8,438,000		9,264,000
Other Real Estate, Reserve	$ 2,102,000		$ 1,986,000

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Note 4 - Loans and Allowance for Credit Losses - Loans Receivable at Carrying Amount (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Commercial Portfolio Segment [Member]
Originated loans	$ 341,898	$ 368,117
Purchased covered loans:
Gross purchased covered loans
Purchased loan discount
Purchased non-covered loans:
Gross purchased non-covered loans	$ 14,447	$ 15,620
Purchased loan discount	(931)	(989)
Total	355,414	382,748
Originated loans	341,898	368,117
Commercial Real Estate Portfolio Segment [Member]
Originated loans	$ 515,183	$ 517,070
Purchased covered loans:
Gross purchased covered loans
Purchased loan discount
Purchased non-covered loans:
Gross purchased non-covered loans	$ 108,968	$ 124,650
Purchased loan discount	(3,975)	(4,264)
Total	620,176	637,456
Originated loans	515,183	517,070
Construction Portfolio Segment [Member]
Originated loans	$ 2,147	$ 2,978
Purchased covered loans:
Gross purchased covered loans
Purchased loan discount
Purchased non-covered loans:
Gross purchased non-covered loans	$ 960	$ 973
Purchased loan discount
Total	$ 3,107	$ 3,951
Originated loans	2,147	2,978
Residential Portfolio Segment [Member]
Originated loans	109,201	117,631
Purchased covered loans:
Gross purchased covered loans	$ 2,330	2,385
Purchased loan discount		(133)
Purchased non-covered loans:
Gross purchased non-covered loans	$ 229	231
Purchased loan discount	(23)	(23)
Total	111,737	120,091
Originated loans	109,201	117,631
Consumer Portfolio Segment [Member]
Originated loans	341,654	346,043
Purchased covered loans:
Gross purchased covered loans	11,352	11,828
Purchased loan discount	(18)	(19)
Purchased non-covered loans:
Gross purchased non-covered loans	30,929	32,454
Purchased loan discount	(1,155)	(1,156)
Total	382,762	389,150
Originated loans	341,654	346,043
Originated loans	1,310,083	1,351,839
Gross purchased covered loans	13,682	14,213
Purchased loan discount	(18)	(152)
Gross purchased non-covered loans	155,533	173,928
Purchased loan discount	(6,084)	(6,432)
Total	1,473,196	1,533,396
Originated loans	$ 1,310,083	$ 1,351,839

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Note 4 - Loans and Allowance for Credit Losses - Changes in the Carrying Amount of Impaired Purchased Loans (Details) - Receivables Acquired with Deteriorated Credit Quality [Member] - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Carrying amount at the beginning of the period	$ 3,887	$ 4,672
Reductions during the period	(2,628)	(785)
Carrying amount at the end of the period	$ 1,259	$ 3,887

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Note 4 - Loans and Allowance for Credit Losses - Changes in the Accretable Yield for Purchased Loans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Balance at the beginning of the period	$ 1,259	$ 2,261
Reclassification from nonaccretable difference	1,077	3,051
Accretion	(1,319)	(4,053)
Balance at the end of the period	1,017	1,259
Change in FDIC indemnification	694	698
(Increase) in interest income	$ (625)	$ (3,355)

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Note 4 - Loans and Allowance for Credit Losses - Allowance for Credit Losses (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Originated Loans [Member] | Commercial Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	$ 9,559,000	$ 5,460,000
Additions:
Provision for Loan Losses	1,214,000	(110,000)
Deductions:
Chargeoffs	(1,171,000)	(60,000)
Recoveries	245,000	180,000
Net loan (losses) recoveries	(926,000)	120,000
Total allowance for loan losses	9,847,000	5,470,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	4,224,000	4,245,000
Additions:
Provision for Loan Losses	(2,000)	(137,000)
Deductions:
Chargeoffs	0	0
Recoveries	15,000	15,000
Net loan (losses) recoveries	15,000	15,000
Total allowance for loan losses	4,237,000	4,123,000
Originated Loans [Member] | Construction Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	177,000	644,000
Additions:
Provision for Loan Losses	(47,000)	86,000
Deductions:
Chargeoffs	0	0
Recoveries	0	0
Net loan (losses) recoveries	0	0
Total allowance for loan losses	130,000	730,000
Originated Loans [Member] | Residential Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	1,801,000	2,241,000
Additions:
Provision for Loan Losses	(94,000)	(101,000)
Deductions:
Chargeoffs	0	0
Recoveries	0	0
Net loan (losses) recoveries	0	0
Total allowance for loan losses	1,707,000	2,140,000
Originated Loans [Member] | Consumer Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	7,080,000	7,717,000
Additions:
Provision for Loan Losses	152,000	(281,000)
Deductions:
Chargeoffs	(1,006,000)	(995,000)
Recoveries	457,000	590,000
Net loan (losses) recoveries	(549,000)	(405,000)
Total allowance for loan losses	6,683,000	7,031,000
Purchased Non-Covered Loans [Member]
Allowance for loan losses:
Balance at beginning of period	967,000	2,120,000
Additions:
Provision for Loan Losses	(1,193,000)	247,000
Deductions:
Chargeoffs	0	(35,000)
Recoveries	1,176,000	7,000
Net loan (losses) recoveries	1,176,000	(28,000)
Total allowance for loan losses	950,000	2,339,000
Purchased Covered Loans [Member]
Allowance for loan losses:
Balance at beginning of period	0	0
Additions:
Provision for Loan Losses	0	0
Deductions:
Chargeoffs	0	0
Recoveries	0	0
Net loan (losses) recoveries	0	0
Total allowance for loan losses	0	0
Unallocated Financing Receivable [Member]
Allowance for loan losses:
Balance at beginning of period	5,963,000	9,058,000
Additions:
Provision for Loan Losses	(30,000)	296,000
Deductions:
Chargeoffs	0	0
Recoveries	0	0
Net loan (losses) recoveries	0	0
Total allowance for loan losses	5,933,000	9,354,000
Balance at beginning of period	29,771,000	31,485,000
Provision for Loan Losses	0	0
Chargeoffs	(2,177,000)	(1,090,000)
Recoveries	1,893,000	792,000
Net loan (losses) recoveries	(284,000)	(298,000)
Total allowance for loan losses	$ 29,487,000	$ 31,187,000

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Note 4 - Loans and Allowance for Credit Losses - Recorded Investment in Loans Evaluated for Impairment (Details) - USD ($)		Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		$ 0	$ 0
Originated Loans [Member] | Commercial Portfolio Segment [Member]
Allowance for loan losses:
Individually evaluated for impairment		5,831,000	4,942,000
Collectively evaluated for impairment		4,016,000	4,617,000
Total		9,847,000	9,559,000	$ 5,470,000	$ 5,460,000
Carrying value of loans:
Individually evaluated for impairment		13,388,000	12,587,000
Collectively evaluated for impairment		328,510,000	355,530,000
Carrying value of loans		341,898,000	368,117,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		0	0
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses:
Individually evaluated for impairment		585,000	585,000
Collectively evaluated for impairment		3,652,000	3,639,000
Total		4,237,000	4,224,000	4,123,000	4,245,000
Carrying value of loans:
Individually evaluated for impairment		7,516,000	5,541,000
Collectively evaluated for impairment		507,667,000	511,529,000
Carrying value of loans		515,183,000	517,070,000
Originated Loans [Member] | Construction Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		130,000	177,000
Total		130,000	177,000	730,000	644,000
Carrying value of loans:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		2,147,000	2,978,000
Carrying value of loans		2,147,000	2,978,000
Originated Loans [Member] | Residential Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		0	0
Originated Loans [Member] | Residential Portfolio Segment [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		1,707,000	1,801,000
Total		1,707,000	1,801,000	2,140,000	2,241,000
Carrying value of loans:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		109,201,000	117,631,000
Carrying value of loans		109,201,000	117,631,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		0	0
Originated Loans [Member] | Consumer Portfolio Segment [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		6,683,000	7,080,000
Total		6,683,000	7,080,000	7,031,000	7,717,000
Carrying value of loans:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		341,654,000	346,043,000
Carrying value of loans		341,654,000	346,043,000
Originated Loans [Member]
Carrying value of loans:
Carrying value of loans		1,310,083,000	1,351,839,000
Purchased Non-Covered Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		1,058,000	3,681,000
Purchased Non-Covered Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		950,000	967,000
Total		950,000	967,000	2,339,000	2,120,000
Carrying value of loans:
Individually evaluated for impairment		11,733,000	11,777,000
Collectively evaluated for impairment		136,658,000	152,038,000
Carrying value of loans		149,449,000	167,496,000
Purchased Covered Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		201,000	206,000
Purchased Covered Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	$ 0
Collectively evaluated for impairment		0
Total		0	$ 0	0	0
Carrying value of loans:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		13,463,000	13,855,000
Carrying value of loans	[1]	13,664,000	14,061,000
Unallocated Financing Receivable [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		0	0
Unallocated Financing Receivable [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		5,933,000	5,963,000
Total		5,933,000	5,963,000	9,354,000	9,058,000
Carrying value of loans:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		0	0
Carrying value of loans		0	0
Commercial Portfolio Segment [Member]
Carrying value of loans:
Carrying value of loans		355,414,000	382,748,000
Commercial Real Estate Portfolio Segment [Member]
Carrying value of loans:
Carrying value of loans		620,176,000	637,456,000
Construction Portfolio Segment [Member]
Carrying value of loans:
Carrying value of loans		3,107,000	3,951,000
Residential Portfolio Segment [Member]
Carrying value of loans:
Carrying value of loans		111,737,000	120,091,000
Consumer Portfolio Segment [Member]
Carrying value of loans:
Carrying value of loans		382,762,000	389,150,000
Receivables Acquired with Deteriorated Credit Quality [Member]
Carrying value of loans:
Carrying value of loans		1,259,000	3,887,000
Individually evaluated for impairment		6,416,000	5,527,000
Collectively evaluated for impairment		23,071,000	24,244,000
Total		29,487,000	29,771,000	$ 31,187,000	$ 31,485,000
Individually evaluated for impairment		32,637,000	29,905,000
Collectively evaluated for impairment		1,439,300,000	1,499,604,000
Carrying value of loans		$ 1,473,196,000	$ 1,533,396,000

[1] Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

XML

Note 4 - Loans and Allowance for Credit Losses - Credit Risk Profile by Internally Assigned Grade (Details) - USD ($)		Mar. 31, 2016	Dec. 31, 2015
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Pass [Member]
Grade:
Loans		$ 321,513,000	$ 353,474,000
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Substandard [Member]
Grade:
Loans		18,544,000	14,643,000
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Doubtful [Member]
Grade:
Loans		1,841,000	0
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Purchased Loan Discount [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Commercial Portfolio Segment [Member]
Grade:
Loans		341,898,000	368,117,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Grade:
Loans		492,359,000	496,744,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Grade:
Loans		22,824,000	20,326,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Purchased Loan Discount [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Grade:
Loans		515,183,000	517,070,000
Originated Loans [Member] | Construction Portfolio Segment [Member] | Pass [Member]
Grade:
Loans		2,147,000	2,978,000
Originated Loans [Member] | Construction Portfolio Segment [Member] | Substandard [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member] | Doubtful [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member] | Purchased Loan Discount [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member]
Grade:
Loans		2,147,000	2,978,000
Originated Loans [Member] | Residential Portfolio Segment [Member] | Pass [Member]
Grade:
Loans		106,117,000	114,525,000
Originated Loans [Member] | Residential Portfolio Segment [Member] | Substandard [Member]
Grade:
Loans		3,084,000	3,106,000
Originated Loans [Member] | Residential Portfolio Segment [Member] | Doubtful [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Residential Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Residential Portfolio Segment [Member] | Purchased Loan Discount [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Residential Portfolio Segment [Member]
Grade:
Loans		109,201,000	117,631,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Pass [Member]
Grade:
Loans		340,536,000	344,876,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Substandard [Member]
Grade:
Loans		843,000	781,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Doubtful [Member]
Grade:
Loans		21,000	12,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans		254,000	374,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Purchased Loan Discount [Member]
Grade:
Loans		0	0
Originated Loans [Member] | Consumer Portfolio Segment [Member]
Grade:
Loans		341,654,000	346,043,000
Originated Loans [Member]
Grade:
Loans		1,310,083,000	1,351,839,000
Purchased Non-Covered Loans [Member] | Pass [Member]
Grade:
Loans		133,109,000	149,100,000
Purchased Non-Covered Loans [Member] | Substandard [Member]
Grade:
Loans		22,329,000	24,810,000
Purchased Non-Covered Loans [Member] | Doubtful [Member]
Grade:
Loans		18,000	18,000
Purchased Non-Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans		77,000	0
Purchased Non-Covered Loans [Member] | Purchased Loan Discount [Member]
Grade:
Loans		(6,084,000)	(6,432,000)
Purchased Non-Covered Loans [Member]
Grade:
Loans		149,449,000	167,496,000
Purchased Covered Loans [Member] | Pass [Member]
Grade:
Loans	[1]	11,938,000	12,563,000
Purchased Covered Loans [Member] | Substandard [Member]
Grade:
Loans	[1]	1,744,000	1,650,000
Purchased Covered Loans [Member] | Doubtful [Member]
Grade:
Loans	[1]	0	0
Purchased Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans	[1]	0	0
Purchased Covered Loans [Member] | Purchased Loan Discount [Member]
Grade:
Loans	[1]	(18,000)	(152,000)
Purchased Covered Loans [Member]
Grade:
Loans	[1]	13,664,000	14,061,000
Commercial Portfolio Segment [Member]
Grade:
Loans		355,414,000	382,748,000
Commercial Real Estate Portfolio Segment [Member]
Grade:
Loans		620,176,000	637,456,000
Construction Portfolio Segment [Member]
Grade:
Loans		3,107,000	3,951,000
Residential Portfolio Segment [Member]
Grade:
Loans		111,737,000	120,091,000
Consumer Portfolio Segment [Member]
Grade:
Loans		382,762,000	389,150,000
Pass [Member]
Grade:
Loans		1,407,719,000	1,474,260,000
Substandard [Member]
Grade:
Loans		69,368,000	65,316,000
Doubtful [Member]
Grade:
Loans		1,880,000	30,000
Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans		331,000	374,000
Purchased Loan Discount [Member]
Grade:
Loans		(6,102,000)	(6,584,000)
Loans		$ 1,473,196,000	$ 1,533,396,000

[1] Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

XML

Note 4 - Loans and Allowance for Credit Losses - Loans by Delinquency and Nonaccrual Status (Details) - USD ($)		Mar. 31, 2016	Dec. 31, 2015
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		$ 780,000	$ 1,777,000
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		308,000	122,000
Originated Loans [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		0	0
Originated Loans [Member] | Commercial Portfolio Segment [Member]
Current and Accruing		338,683,000	365,450,000
Nonaccrual		2,127,000	768,000
Total Loans		341,898,000	368,117,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		715,000	5,930,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		400,000	726,000
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		0	0
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Current and Accruing		505,878,000	504,970,000
Nonaccrual		8,190,000	5,444,000
Total Loans		515,183,000	517,070,000
Originated Loans [Member] | Construction Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		0	0
Originated Loans [Member] | Construction Portfolio Segment [Member]
Current and Accruing		2,147,000	2,978,000
Nonaccrual		0	0
Total Loans		2,147,000	2,978,000
Originated Loans [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		2,350,000	1,202,000
Originated Loans [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		767,000	414,000
Originated Loans [Member] | Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		0	0
Originated Loans [Member] | Residential Portfolio Segment [Member]
Current and Accruing		105,355,000	115,575,000
Nonaccrual		729,000	440,000
Total Loans		109,201,000	117,631,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		2,137,000	3,263,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		647,000	919,000
Originated Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		183,000	295,000
Originated Loans [Member] | Consumer Portfolio Segment [Member]
Current and Accruing		338,687,000	341,566,000
Nonaccrual		0	0
Total Loans		341,654,000	346,043,000
Originated Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		5,982,000	12,172,000
Originated Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		2,122,000	2,181,000
Originated Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		183,000	295,000
Originated Loans [Member]
Current and Accruing		1,290,750,000	1,330,539,000
Nonaccrual		11,046,000	6,652,000
Total Loans		1,310,083,000	1,351,839,000
Purchased Non-Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		721,000	589,000
Purchased Non-Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		40,000	7,000
Purchased Non-Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		77,000	0
Purchased Non-Covered Loans [Member]
Current and Accruing		141,930,000	158,554,000
Nonaccrual		6,681,000	8,346,000
Total Loans		149,449,000	167,496,000
Purchased Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		0	132,000
Purchased Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		29,000	0
Purchased Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		0	0
Purchased Covered Loans [Member]
Current and Accruing		13,635,000	13,929,000
Nonaccrual		0	0
Total Loans	[1]	13,664,000	14,061,000
Commercial Portfolio Segment [Member]
Total Loans		355,414,000	382,748,000
Commercial Real Estate Portfolio Segment [Member]
Total Loans		620,176,000	637,456,000
Construction Portfolio Segment [Member]
Total Loans		3,107,000	3,951,000
Residential Portfolio Segment [Member]
Total Loans		111,737,000	120,091,000
Consumer Portfolio Segment [Member]
Total Loans		382,762,000	389,150,000
Financing Receivables, 30 to 59 Days Past Due [Member]
Past Due and Accruing		6,703,000	12,893,000
Financing Receivables, 60 to 89 Days Past Due [Member]
Past Due and Accruing		2,191,000	2,188,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due and Accruing		260,000	295,000
Current and Accruing		1,446,315,000	1,503,022,000
Nonaccrual		17,727,000	14,998,000
Total Loans		$ 1,473,196,000	$ 1,533,396,000

[1] Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

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Note 4 - Loans and Allowance for Credit Losses - Effect of Nonaccrual Loans on Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest income that would have been recognized had the loans performed in accordance with their original terms	$ 280	$ 311
Less: Interest income recognized on nonaccrual loans	(263)	(205)
Total reduction of interest income	$ 17	$ 106

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Note 4 - Loans and Allowance for Credit Losses - Impaired Loans (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Commercial Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	$ 2,099,000	$ 2,917,000
Impaired loans with no related allowance recorded, Unpaid Principal Balance	2,185,000	2,979,000
Impaired loans with an allowance recorded:
Impaired loans with an allowance recorded, Recorded Investment	11,634,000	10,170,000
Impaired loans with an allowance recorded, Unpaid Principal Balance	12,452,000	10,170,000
Total Impaired loans, Related Allowance	5,831,000	4,942,000
Total:
Total Impaired loans, Recorded Investment	13,733,000	13,087,000
Total Impaired loans, Unpaid Principal Balance	14,637,000	13,149,000
Total Impaired loans, Related Allowance	5,831,000	4,942,000
Commercial Real Estate Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	16,069,000	16,309,000
Impaired loans with no related allowance recorded, Unpaid Principal Balance	20,742,000	21,168,000
Impaired loans with an allowance recorded:
Impaired loans with an allowance recorded, Recorded Investment	4,660,000	4,660,000
Impaired loans with an allowance recorded, Unpaid Principal Balance	5,109,000	5,109,000
Total Impaired loans, Related Allowance	585,000	585,000
Total:
Total Impaired loans, Recorded Investment	20,729,000	20,969,000
Total Impaired loans, Unpaid Principal Balance	25,851,000	26,277,000
Total Impaired loans, Related Allowance	585,000	585,000
Construction Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	271,000	271,000
Impaired loans with no related allowance recorded, Unpaid Principal Balance	271,000	271,000
Impaired loans with an allowance recorded:
Impaired loans with an allowance recorded, Recorded Investment	0	0
Impaired loans with an allowance recorded, Unpaid Principal Balance	0	0
Total Impaired loans, Related Allowance	0	0
Total:
Total Impaired loans, Recorded Investment	271,000	271,000
Total Impaired loans, Unpaid Principal Balance	271,000	271,000
Total Impaired loans, Related Allowance	0	0
Residential Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	953,000	666,000
Impaired loans with no related allowance recorded, Unpaid Principal Balance	984,000	697,000
Impaired loans with an allowance recorded:
Impaired loans with an allowance recorded, Recorded Investment	0	0
Impaired loans with an allowance recorded, Unpaid Principal Balance	0	0
Total Impaired loans, Related Allowance	0	0
Total:
Total Impaired loans, Recorded Investment	953,000	666,000
Total Impaired loans, Unpaid Principal Balance	984,000	697,000
Total Impaired loans, Related Allowance	0	0
Consumer Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	344,000	350,000
Impaired loans with no related allowance recorded, Unpaid Principal Balance	451,000	456,000
Impaired loans with an allowance recorded:
Impaired loans with an allowance recorded, Recorded Investment	0	0
Impaired loans with an allowance recorded, Unpaid Principal Balance	0	0
Total Impaired loans, Related Allowance	0	0
Total:
Total Impaired loans, Recorded Investment	344,000	350,000
Total Impaired loans, Unpaid Principal Balance	451,000	456,000
Total Impaired loans, Related Allowance	$ 0	$ 0

XML

Note 4 - Loans and Allowance for Credit Losses - Impaired Loans, Supplemental Schedule (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Commercial Portfolio Segment [Member]
Average Recorded Investment	$ 13,410,000	$ 12,226,000
Recognized Interest Income	133,000	146,000
Commercial Real Estate Portfolio Segment [Member]
Average Recorded Investment	20,849,000	18,318,000
Recognized Interest Income	159,000	257,000
Construction Portfolio Segment [Member]
Average Recorded Investment	271,000	917,000
Recognized Interest Income	0	0
Residential Portfolio Segment [Member]
Average Recorded Investment	810,000	860,000
Recognized Interest Income	4,000	6,000
Consumer Portfolio Segment [Member]
Average Recorded Investment	347,000	1,254,000
Recognized Interest Income	6,000	6,000
Average Recorded Investment	35,687,000	33,575,000
Recognized Interest Income	$ 302,000	$ 415,000

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Note 4 - Loans and Allowance for Credit Losses - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Commercial Portfolio Segment [Member]
Number of Contracts	7	6
Pre-Modification Carrying Value	$ 2,568	$ 3,138
Period-End Carrying Value	2,156	2,802
Period-End Individual Impairment Allowance	$ 194	$ 194
Commercial Real Estate Portfolio Segment [Member]
Number of Contracts	11	10
Pre-Modification Carrying Value	$ 17,587	$ 12,927
Period-End Carrying Value	17,265	$ 12,684
Period-End Individual Impairment Allowance	$ 585
Residential Portfolio Segment [Member]
Number of Contracts	1	1
Pre-Modification Carrying Value	$ 242	$ 242
Period-End Carrying Value	$ 224	$ 226
Period-End Individual Impairment Allowance
Number of Contracts	19	17
Pre-Modification Carrying Value	$ 20,397	$ 16,307
Period-End Carrying Value	19,645	15,712
Period-End Individual Impairment Allowance	$ 779	$ 194

XML

Note 5 - Concentration of Credit Risk (Details Textual) $ in Thousands	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Aggregate Loans [Member] | Customer Concentration Risk [Member]
Concentration Risk, Borrowing Relationships	38
Concentration Risk, Aggregate Loans Amount	$ 5,000
Commercial Real Estate Loans [Member]
Loan To Value Ratio Requirement	75.00%
Residential Real Estate Loans [Member]
Loan To Value Ratio Requirement	80.00%
Unsecured Loan Limit, Percentage of Shareholders' Equity, California Financial Code	15.00%
Secured and Unsecured Loan Limit Percentage, California Financial Code	25.00%
Loan Commitments and Standby Letters of Credit Related to Real Estate Loans	$ 60,660	$ 61,190
Concentration Risk, Issuer Relationships	48
Concentration Risk, Aggregate Securities Amount	$ 5,000

XML

Note 6 - Other Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Contingent Commitment, Year 1 [Member]
Qualified Affordable Housing Project Investments, Commitment	$ 453
Contingent Commitment, Year 2 [Member]
Qualified Affordable Housing Project Investments, Commitment	763
Contingent Commitment, Year 3 [Member]
Qualified Affordable Housing Project Investments, Commitment	$ 1,083
FRB Membership, Stock Subscription, Percent of Paid-Up Capital Stock and Surplus Requirement	6.00%
LIHTC Investments	$ 14,551	$ 15,259
Qualified Affordable Housing Project Investments, Commitment	$ 2,299	$ 2,299

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Note 6 - Other Assets - Other Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Cost method equity investments:
Federal Reserve Bank stock	[1]	$ 14,069	$ 14,069
Other investments		201	201
Total cost method equity investments		14,270	14,270
Life insurance cash surrender value		49,607	48,972
Net deferred tax asset		47,069	51,748
Limited partnership investments		14,551	15,259
Interest receivable		18,795	20,174
Prepaid assets		4,732	4,771
Other assets		14,180	10,660
Total other assets		$ 163,204	$ 165,854

[1] A bank applying for membership in the Federal Reserve System is required to subscribe to stock in the Federal Reserve Bank (FRB) in its district in a sum equal to six percent of the bank's paid-up capital stock and surplus. One-half of the amount of the bank's subscription shall be paid to the FRB and the remaining half will be subject to call when deemed necessary by the Board of Governors of the Federal Reserve System.

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Note 6 - Other Assets - Amounts Recognized in Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Investment loss included in pre-tax income	$ 675	$ 675
Tax credits recognized in provision for income taxes	$ 598	$ 658

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Note 7 - Goodwill and Identifiable Intangible Assets (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Asset Impairment	$ 0	$ 0
Amortization Expense, Adjustment Resulting from a Change in Estimates of Useful Lives or Residual Values	$ 0	$ 0

XML

Note 7 - Carrying Values of Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Goodwill	$ 121,673	$ 121,673

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Note 7 - Goodwill and Identifiable Intangible Assets - Gross Carrying Amount of Intangible Assets and Accumulated Amortization (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Core Deposits [Member]
Gross Carrying Amount	$ 56,808	$ 56,808
Accumulated Amortization	(47,628)	(46,782)
Mechant Draft Processing [Member]
Gross Carrying Amount	10,300	10,300
Accumulated Amortization	(9,954)	(9,895)
Gross Carrying Amount	67,108	67,108
Accumulated Amortization	$ (57,582)	$ (56,677)

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Note 7 - Goodwill and Identifiable Intangible Assets - Estimated Future Amortization Expense for Identifiable Intangible Assets (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Core Deposits [Member]
For the Three Months ended March 31, 2016 (actual)	$ 846,000
Estimate for year ended December 31, 2016	3,292,000
2017	2,913,000
2018	1,892,000
2019	538,000
2020	287,000
Mechant Draft Processing [Member]
For the Three Months ended March 31, 2016 (actual)	59,000
Estimate for year ended December 31, 2016	212,000
2017	164,000
2018	$ 29,000
2019
2020
For the Three Months ended March 31, 2016 (actual)	$ 905,000	$ 1,001,000
Estimate for year ended December 31, 2016	3,504,000
2017	3,077,000
2018	1,921,000
2019	538,000
2020	$ 287,000

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Note 8 - Deposits and Borrowed Funds (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 18, 2016	Dec. 31, 2015
Unsecured Line of Credit [Member]
Long-term Line of Credit			$ 0	$ 0
Line of Credit Facility, Maximum Borrowing Capacity, Expired			$ 35,000,000
Demand Deposit Overdrafts	$ 2,951,000			$ 3,038,000
Interest Expense, Time Deposits, $100,000 or More	$ 137,000	$ 197,000

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Note 8 - Deposits and Borrowed Funds - Deposits Detail (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Noninterest bearing deposits	$ 1,989,010	$ 2,026,049
Interest-bearing:
Transaction	855,008	860,706
Savings	1,393,919	1,366,936
Time deposits less than $100 thousand	147,699	150,780
Time deposits $100 thousand through $250 thousand	93,460	96,971
Time deposits more than $250 thousand	37,654	39,217
Total deposits	$ 4,516,750	$ 4,540,659

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Note 8 - Deposits and Borrowed Funds - Short-term Borrowed Funds (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
US Government-sponsored Enterprises Debt Securities [Member]
Collateral Carrying Value	$ 99,343	$ 98,969
US States and Political Subdivisions Debt Securities [Member]
Collateral Carrying Value	3,250	3,975
Corporate Debt Securities [Member]
Collateral Carrying Value	49,715	54,681
Collateral Carrying Value	152,308	157,625
Short-term borrowed funds	$ 52,451	$ 53,028

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Note 9 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015
Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Discount Rate	10.00%
Purchased Covered Loans [Member]
Fair Value Discount, Credit Default Risk, Purchased Loans	$ 18	$ 152
Purchased Non-Covered Loans [Member]
Fair Value Discount, Credit Default Risk, Purchased Loans	$ 6,084	6,432
Securities Selected For OTTI Analysis Market Price Threshold	95.00%
Securities Selected for OTTI Analysis Market to Book Ratio Threshold	95
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount			$ 437,715
Loans and Leases Receivable, Allowance	$ 29,487	$ 29,771

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Note 9 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 360,729	$ 301,882
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
US Government-sponsored Enterprises Debt Securities [Member]
Investment securities available for sale		$ 360,729	$ 301,882
Agency Residential MBS [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale
Agency Residential MBS [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 197,269	$ 202,544
Agency Residential MBS [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
Agency Residential MBS [Member]
Investment securities available for sale		$ 197,269	$ 202,544
Non-agency Residential MBS [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale
Non-agency Residential MBS [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 353	$ 370
Non-agency Residential MBS [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
Non-agency Residential MBS [Member]
Investment securities available for sale		$ 353	$ 370
Non-agency Commercial MBS [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale
Non-agency Commercial MBS [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 2,302	$ 2,379
Non-agency Commercial MBS [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
Non-agency Commercial MBS [Member]
Investment securities available for sale		$ 2,302	$ 2,379
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 148,558	$ 157,509
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
US States and Political Subdivisions Debt Securities [Member]
Investment securities available for sale		$ 148,558	$ 157,509
Asset-backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale
Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 1,658	$ 2,003
Asset-backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
Asset-backed Securities [Member]
Investment securities available for sale		$ 1,658	$ 2,003
FHLMC and FNMA Stock [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale		6	7
FHLMC and FNMA Stock [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 3,785	$ 4,322
FHLMC and FNMA Stock [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
FHLMC and FNMA Stock [Member]
Investment securities available for sale	[1],[2]	$ 3,791	$ 4,329
Domestic Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale
Domestic Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 868,747	$ 896,369
Domestic Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
Domestic Corporate Debt Securities [Member]
Investment securities available for sale		$ 868,747	$ 896,369
Other Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale		703	991
Other Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 1,860	$ 1,840
Other Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
Other Securities [Member]
Investment securities available for sale		$ 2,563	$ 2,831
Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale		709	998
Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale		$ 1,585,261	$ 1,569,218
Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale
Investment securities available for sale		$ 1,585,970	$ 1,570,216

[1] Federal Home Loan Mortgage Corporation

[2] Federal National Mortgage Association

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Note 9 - Fair Value Measurements - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value	$ 8,438	$ 9,264
Other Real Estate Owned [Member]
Fair Value	8,438	9,264
Total Losses	$ (126)	$ (320)
Impaired Loans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value
Impaired Loans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value	$ 16,208	$ 15,633
Impaired Loans [Member]
Fair Value	16,208	15,633
Total Losses	$ (814)	$ (449)
Fair Value, Inputs, Level 1 [Member]
Fair Value
Fair Value, Inputs, Level 2 [Member]
Fair Value
Fair Value, Inputs, Level 3 [Member]
Fair Value	$ 24,646	$ 24,897
Fair Value	24,646	24,897
Total Losses	$ (940)	$ (769)

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Note 9 - Fair Value Measurements - Fair Value Estimates for Financial Instruments, Excluding Financial Instruments Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Reported Value Measurement [Member]
Financial Assets:
Cash and due from banks	$ 471,164	$ 433,044
Investment securities held to maturity	1,358,139	1,316,075
Loans	1,443,709	1,503,625
Financial Liabilities:
Deposits	4,516,750	4,540,659
Short-term borrowed funds	52,451	53,028
Estimate of Fair Value Measurement [Member]
Financial Assets:
Cash and due from banks	471,164	433,044
Investment securities held to maturity	1,381,808	1,325,699
Loans	1,464,418	1,517,394
Financial Liabilities:
Deposits	4,515,926	4,539,455
Short-term borrowed funds	52,451	53,028
Fair Value, Inputs, Level 1 [Member]
Financial Assets:
Cash and due from banks	$ 471,164	$ 433,044
Investment securities held to maturity
Loans
Financial Liabilities:
Deposits
Short-term borrowed funds
Fair Value, Inputs, Level 2 [Member]
Financial Assets:
Cash and due from banks
Investment securities held to maturity	$ 1,381,808	$ 1,325,699
Loans
Financial Liabilities:
Deposits	$ 4,237,937	$ 4,253,691
Short-term borrowed funds	$ 52,451	$ 53,028
Fair Value, Inputs, Level 3 [Member]
Financial Assets:
Cash and due from banks
Investment securities held to maturity
Loans	$ 1,464,418	$ 1,517,394
Financial Liabilities:
Deposits	$ 277,989	$ 285,764
Short-term borrowed funds
Investment securities held to maturity	$ 1,381,808	$ 1,325,699

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Note 10 - Commitments and Contingent Liabilities (Details Textual) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Other Liabilities [Member]
Reserve for Unfunded Commitments	$ 2,593,000	$ 2,593,000
Financial Standby Letter of Credit [Member]
Letters of Credit Outstanding, Amount	23,581,000	26,149,000
Standby Letters of Credit [Member]
Letters of Credit Outstanding, Amount	0	40,000
Unfunded Loan Commitments	$ 321,077,000	$ 299,884,000

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Note 11 - Earnings Per Common Share (Details Textual) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,297	1,775

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Note 11 - Earnings Per Common Share - Earnings Per Common Share and Diluted Earnings Per Common Share (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Basic earnings per common share
Average Common Shares Outstanding (in shares)	25,445	25,651
Basic earnings (in dollars per share)	$ 0.56	$ 0.57
Diluted earnings per common share
Average Common Shares Outstanding (in shares)	25,445	25,651
Add common stock equivalents for options (in shares)	23	4
Weighted average number of common shares outstanding - diluted (denominator) (in shares)	25,458	25,655
Diluted earnings (in dollars per share)	$ 0.56	$ 0.57