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 September 30, 2015

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 October 23, 2015
Common Stock,	25,528,149
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	30
Item 2	Management's Discussion and Analysis of Financial Condition and Results of Operations	31
Item 3	Quantitative and Qualitative Disclosures about Market Risk	53
Item 4	Controls and Procedures	53
PART II - OTHER INFORMATION
Item 1	Legal Proceedings	53
Item 1A	Risk Factors	53
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	54
Item 3	Defaults upon Senior Securities	54
Item 4	Mine Safety Disclosures	54
Item 5	Other Information	54
Item 6	Exhibits	54
Signatures		55
Exhibit Index		56
Exhibit 31.1 - Certification of Chief Executive Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)		57
Exhibit 31.2 - Certification of Chief Financial Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)		58
Exhibit 32.1 - Certification of Chief Executive Officer Required by 18 U.S.C. Section 1350		59
Exhibit 32.2 - Certification of Chief Financial Officer Required by 18 U.S.C. Section 1350		60

-2-

FORWARD-LOOKING STATEMENTS

This report on Form 10-Q contains forward-looking statements about Westamerica Bancorporation 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, 2014, 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 September 30,			At December 31,
	2015			2014
	(In thousands)
Assets:
Cash and due from banks	$	268,587		$	380,836
Investment securities available for sale		1,571,710			1,600,781
Investment securities held to maturity, with fair values of: $1,293,958 at September 30, 2015 and $1,048,562 at December 31, 2014		1,278,814			1,038,658
Loans		1,571,843			1,700,290
Allowance for loan losses		(30,036	)		(31,485	)
Loans, net of allowance for loan losses		1,541,807			1,668,805
Other real estate owned		9,269			6,374
Premises and equipment, net		39,244			37,852
Identifiable intangibles, net		11,379			14,287
Goodwill		121,673			121,673
Other assets		158,912			166,458
Total Assets	$	5,001,395		$	5,035,724
Liabilities:
Noninterest bearing deposits	$	1,942,450		$	1,910,781
Interest bearing deposits		2,424,470			2,438,410
Total deposits		4,366,920			4,349,191
Short-term borrowed funds		57,063			89,784
Federal Home Loan Bank advances		-			20,015
Other liabilities		43,474			50,131
Total Liabilities		4,467,457			4,509,121
Shareholders' Equity:
Common stock (no par value), authorized - 150,000 shares Issued and outstanding: 25,530 at September 30, 2015 and 25,745 at December 31, 2014		378,649			378,132
Deferred compensation		2,578			2,711
Accumulated other comprehensive income		7,198			5,292
Retained earnings		145,513			140,468
Total Shareholders' Equity		533,938			526,603
Total Liabilities and Shareholders' Equity	$	5,001,395		$	5,035,724

See accompanying notes to unaudited consolidated financial statements.

-4-

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF INCOME

(unaudited)

	For the Three Months					For the Nine Months
	Ended September 30,
	2015		2014			2015		2014
	(In thousands, except per share data)
Interest and Fee Income:
Loans	$	19,378	$	22,129		$	59,643	$	67,817
Investment securities available for sale		7,880		6,350			23,347		17,855
Investment securities held to maturity		7,041		6,421			19,651		20,195
Total Interest and Fee Income		34,299		34,900			102,641		105,867
Interest Expense:
Deposits		573		709			1,816		2,216
Short-term borrowed funds		12		23			44		64
Term repurchase agreement		-		11			-		60
Federal Home Loan Bank advances		-		103			1		304
Total Interest Expense		585		846			1,861		2,644
Net Interest Income		33,714		34,054			100,780		103,223
Provision for Loan Losses		-		600			-		2,600
Net Interest Income After Provision For Loan Losses		33,714		33,454			100,780		100,623
Noninterest Income:
Service charges on deposit accounts		5,581		6,207			16,981		18,322
Debit card fees		1,538		1,543			4,528		4,482
Merchant processing services		1,485		1,742			4,971		5,485
Other service fees		693		695			2,041		2,044
Trust fees		682		629			2,061		1,899
ATM processing fees		616		637			1,828		1,891
Financial services commissions		177		194			527		585
Other		1,221		1,407			3,625		4,534
Total Noninterest Income		11,993		13,054			36,562		39,242
Noninterest Expense:
Salaries and related benefits		12,761		13,639			39,795		41,691
Occupancy		3,746		3,811			11,199		11,284
Outsourced data processing services		2,115		2,093			6,334		6,314
Furniture and equipment		1,075		1,059			3,353		3,070
Amortization of identifiable intangibles		952		1,056			2,908		3,219
Professional fees		746		700			1,876		1,707
Courier service		604		663			1,744		1,938
Other real estate owned		83		(287	)		451		(908	)
Other		4,091		3,882			12,136		12,131
Total Noninterest Expense		26,173		26,616			79,796		80,446
Income Before Income Taxes		19,534		19,892			57,546		59,419
Provision for income taxes		4,677		4,738			13,371		13,801
Net Income	$	14,857	$	15,154		$	44,175	$	45,618
Average Common Shares Outstanding		25,530		25,973			25,565		26,192
Diluted Average Common Shares Outstanding		25,565		26,016			25,585		26,262
Per Common Share Data:
Basic earnings	$	0.58	$	0.58		$	1.73	$	1.74
Diluted earnings		0.58		0.58			1.73		1.74
Dividends paid		0.38		0.38			1.14		1.14

See accompanying notes to unaudited consolidated financial statements.

-5-

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	For the Three Months						For the Nine Months
	Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Net Income	$	14,857		$	15,154		$	44,175		$	45,618
Other comprehensive income:
Increase (decrease) in net unrealized gains on securities available for sale		5,522			(4,884	)		3,242			9,305
Deferred tax (expense) benefit		(2,321	)		2,054			(1,363	)		(3,912	)
Increase (decrease) in net unrealized gains on securities available for sale, net of tax		3,201			(2,830	)		1,879			5,393
Post-retirement benefit transition obligation amortization		15			15			45			45
Deferred tax expense		(6	)		(6	)		(18	)		(18	)
Post-retirement benefit transition obligation amortization, net of tax		9			9			27			27
Total Other Comprehensive Income (Loss)		3,210			(2,821	)		1,906			5,420
Total Comprehensive Income	$	18,067		$	12,333		$	46,081		$	51,038

See accompanying notes to unaudited consolidated financial statements.

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WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY

(unaudited)

	Common Shares Outstanding			Common Stock			Accumulated Deferred Compensation			Accumulated Other Comprehensive Income		Retained Earnings			Total
	(In thousands)
Balance, December 31, 2013		26,510		$	378,946		$	2,711		$	4,313	$	156,964		$	542,934
Net income for the period													45,618			45,618
Other comprehensive income											5,420					5,420
Exercise of stock options		256			12,396											12,396
Tax benefit decrease upon expiration/exercise of stock options					(447	)										(447	)
Restricted stock activity		21			1,114											1,114
Stock based compensation					1,009											1,009
Stock awarded to employees		2			88											88
Retirement of common stock including repurchases		(883	)		(12,911	)							(31,899	)		(44,810	)
Dividends													(29,927	)		(29,927	)
Balance, September 30, 2014		25,906		$	380,195		$	2,711		$	9,733	$	140,756		$	533,395
Balance, December 31, 2014		25,745		$	378,132		$	2,711		$	5,292	$	140,468		$	526,603
Net income for the period													44,175			44,175
Other comprehensive income											1,906					1,906
Exercise of stock options		108			4,848											4,848
Tax benefit decrease upon expiration/exercise of stock options					(1,215	)										(1,215	)
Restricted stock activity		17			874			(133	)							741
Stock based compensation					987											987
Stock awarded to employees		2			89											89
Retirement of common stock including repurchases		(342	)		(5,066	)							(9,962	)		(15,028	)
Dividends													(29,168	)		(29,168	)
Balance, September 30, 2015		25,530		$	378,649		$	2,578		$	7,198	$	145,513		$	533,938

See accompanying notes to unaudited consolidated financial statements.

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WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

	For the Nine Months Ended September 30,
	2015			2014
	(In thousands)
Operating Activities:
Net income	$	44,175		$	45,618
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		12,379			12,275
Loan loss provision		-			2,600
Net amortization of deferred loan fees		(263	)		(179	)
Decrease in interest income receivable		757			1,537
Decrease in other assets		107			1,390
Decrease in income taxes payable		(257	)		(1,160	)
Decrease (increase) in net deferred tax asset		968			(19	)
Decrease in interest expense payable		(56	)		(102	)
Decrease in other liabilities		(2,571	)		(3,841	)
Stock option compensation expense		987			1,009
Tax benefit decrease upon expiration/exercise of stock options		1,215			447
Gain on sale of other assets		-			(400	)
Net loss on sale of premises and equipment		24			22
Net gain on sale of foreclosed assets		(73	)		(1,014	)
Writedown of foreclosed assets		315			113
Net Cash Provided by Operating Activities		57,707			58,296
Investing Activities:
Net repayments of loans		124,615			93,115
Proceeds from FDIC1 loss-sharing indemnification		-			6,703
Purchases of investment securities available for sale		(828,169	)		(747,630	)
Proceeds from sale/maturity/calls of securities available for sale		858,850			444,906
Purchases of investment securities held to maturity		(366,247	)		(26,435	)
Proceeds from maturity/calls of securities held to maturity		117,877			115,799
Purchases of premises and equipment		(4,049	)		(2,392	)
Net change in FRB2/FHLB3 securities		940			3,248
Proceeds from sale of foreclosed assets		1,774			7,549
Net Cash Used in Investing Activities		(94,409	)		(105,137	)
Financing Activities:
Net change in deposits		17,737			157,947
Net change in short-term borrowings and FHLB3 advances		(52,721	)		3,992
Exercise of stock options/issuance of shares		4,848			12,396
Tax benefit decrease upon expiration/exercise of stock options		(1,215	)		(447	)
Retirement of common stock including repurchases		(15,028	)		(44,810	)
Common stock dividends paid		(29,168	)		(29,927	)
Net Cash (Used in) Provided by Financing Activities		(75,547	)		99,151
Net Change In Cash and Due from Banks		(112,249	)		52,310
Cash and Due from Banks at Beginning of Period		380,836			472,028
Cash and Due from Banks at End of Period	$	268,587		$	524,338
Supplemental Cash Flow Disclosures:
Supplemental disclosure of non cash activities:
Loan collateral transferred to other real estate owned	$	4,911		$	968
Securities purchases pending settlement		-			24,276
Supplemental disclosure of cash flow activities:
Interest paid for the period		1,941			2,959
Income tax payments for the period		12,596			14,981

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 and nine months ended September 30, 2015 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, 2014.

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, 2014. 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” section in Item 2 of this document. 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 Adopted Accounting Standards

FASB ASU 2014-01, Investments- Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects, was issued January 2014 to permit reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using the proportional amortization method if certain conditions are met. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense (benefit). For those investments in qualified affordable housing projects not accounted for using the proportional amortization method, the investment should be accounted for as an equity method investment or a cost method investment in accordance with GAAP. The policy election must be applied consistently to all qualified affordable housing project investments.

The ASU also requires a reporting entity to disclose information regarding its investments in qualified affordable housing projects, and the effect of the measurement of its investments in qualified affordable housing projects and the related tax credits on its financial position and results of operations.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at January 1, 2015, the date adopted.

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FASB ASU 2014-04, Receivables - Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure, was issued on January 17, 2014, providing clarification that an in substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at January 1, 2015, the date adopted.

FASB ASU 2014-11, Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures, was issued on June 12, 2014. The ASU improves the financial reporting of repurchase agreements and other similar transactions through a change in accounting for repurchase-to-maturity transactions and repurchase financings, and the introduction of two new disclosure requirements. New disclosures are required for (1) transfers accounted for as sales in transactions that are economically similar to repurchase agreements, in which the transferor retains substantially all of the exposure to the economic return on the transferred financial asset throughout the term of the transaction and (2) repurchase agreements, securities lending transactions, and repurchase-to-maturity transactions accounted for as secured borrowings about the nature of collateral pledged and the time to maturity of those transactions.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at April 1, 2015, the date adopted.

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 September 30, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
U.S. Treasury securities	$	3,000	$	1	$	-		$	3,001
Securities of U.S. Government sponsored entities		341,038		1,381		(10	)		342,409
Residential mortgage-backed securities		19,303		1,289		(2	)		20,590
Commercial mortgage-backed securities		2,547		11		(6	)		2,552
Obligations of states and political subdivisions		152,158		9,094		(97	)		161,155
Residential collateralized mortgage obligations		199,059		438		(4,945	)		194,552
Asset-backed securities		2,350		-		(20	)		2,330
FHLMC1 and FNMA2 stock		775		5,725		-			6,500
Corporate securities		836,882		1,707		(2,750	)		835,839
Other securities		2,039		885		(142	)		2,782
Total	$	1,559,151	$	20,531	$	(7,972	)	$	1,571,710

¹ Federal Home Loan Mortgage Corporation

² Federal National Mortgage Association

-10-

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 September 30, 2015
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	830	$	10	$	-		$	840
Residential mortgage-backed securities		362,925		2,194		(28	)		365,091
Commercial mortgage-backed securities		16,379		57		(174	)		16,262
Obligations of states and political subdivisions		682,818		12,486		(1,204	)		694,100
Residential collateralized mortgage obligations		215,862		2,404		(601	)		217,665
Total	$	1,278,814	$	17,151	$	(2,007	)	$	1,293,958

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, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
U.S. Treasury securities	$	3,500	$	5	$	-		$	3,505
Securities of U.S. Government sponsored entities		635,278		937		(1,027	)		635,188
Residential mortgage-backed securities		24,647		1,776		(16	)		26,407
Commercial mortgage-backed securities		2,923		6		(10	)		2,919
Obligations of states and political subdivisions		171,907		10,015		(123	)		181,799
Residential collateralized mortgage obligations		230,347		634		(8,524	)		222,457
Asset-backed securities		8,349		-		(36	)		8,313
FHLMC1 and FNMA2 stock		775		4,393		-			5,168
Corporate securities		511,699		2,169		(1,629	)		512,239
Other securities		2,039		871		(124	)		2,786
Total	$	1,591,464	$	20,806	$	(11,489	)	$	1,600,781

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, 2014
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	1,066	$	11	$	-		$	1,077
Residential mortgage-backed securities		59,078		1,183		(137	)		60,124
Obligations of states and political subdivisions		720,189		11,350		(2,358	)		729,181
Residential collateralized mortgage obligations		258,325		2,236		(2,381	)		258,180
Total	$	1,038,658	$	14,780	$	(4,876	)	$	1,048,562

-11-

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

	At September 30, 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	$	111,972	$	112,333	$	19,012	$	19,647
Over 1 to 5 years		1,066,830		1,068,036		237,908		240,961
Over 5 to 10 years		129,133		134,756		285,130		290,517
Over 10 years		27,493		29,609		141,598		143,815
Subtotal		1,335,428		1,344,734		683,648		694,940
Mortgage-backed securities and residential collateralized mortgage obligations		220,909		217,694		595,166		599,018
Other securities		2,814		9,282		-		-
Total	$	1,559,151	$	1,571,710	$	1,278,814	$	1,293,958

Securities available for sale at September 30, 2015 with maturity dates over one year but less than five years include $337,419  thousand (fair value) of securities of U.S. Government sponsored entities with call options on dates within one year or less, of which $43,121  thousand have interest coupons which will increase if the issuer does not exercise the call option.

	At December 31, 2014
	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	$	57,891	$	57,991	$	15,355	$	15,855
Over 1 to 5 years		629,200		630,797		228,380		230,248
Over 5 to 10 years		584,872		589,250		285,219		288,631
Over 10 years		58,770		63,006		192,301		195,524
Subtotal		1,330,733		1,341,044		721,255		730,258
Mortgage-backed securities and residential collateralized mortgage obligations		257,917		251,783		317,403		318,304
Other securities		2,814		7,954		-		-
Total	$	1,591,464	$	1,600,781	$	1,038,658	$	1,048,562

Expected maturities of mortgage-backed 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-backed securities. At September 30, 2015 and December 31, 2014, the Company had no high-risk collateralized mortgage obligations as defined by regulatory guidelines.

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-12-

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

	Investment Securities Available for Sale At September 30, 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		1	$	4,990	$	(10	)		-	$	-	$	-			1	$	4,990	$	(10	)
Residential mortgage-backed securities		-		-		-			1		790		(2	)		1		790		(2	)
Commercial mortgage-backed securities		-		-		-			1		879		(6	)		1		879		(6	)
Obligations of states and political subdivisions		4		2,132		(31	)		5		2,503		(66	)		9		4,635		(97	)
Residential collateralized mortgage obligations		2		13,280		(245	)		29		168,927		(4,700	)		31		182,207		(4,945	)
Asset-backed securities		-		-		-			1		2,330		(20	)		1		2,330		(20	)
Corporate securities		71		379,170		(2,417	)		19		63,206		(333	)		90		442,376		(2,750	)
Other securities		-		-		-			1		1,858		(142	)		1		1,858		(142	)
Total		78	$	399,572	$	(2,703	)		57	$	240,493	$	(5,269	)		135	$	640,065	$	(7,972	)

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

	Investment Securities Held to Maturity At September 30, 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)
Residential mortgage-backed securities		2	$	21,047	$	(26	)		1	$	96	$	(2	)		3	$	21,143	$	(28	)
Commercial mortgage-backed securities		1		7,562		(74	)		1		6,597		(100	)		2		14,159		(174	)
Obligations of states and political subdivisions		45		29,242		(189	)		70		63,195		(1,015	)		115		92,437		(1,204	)
Residential collateralized mortgage obligations		3		15,821		(60	)		12		65,404		(541	)		15		81,225		(601	)
Total		51	$	73,672	$	(349	)		84	$	135,292	$	(1,658	)		135	$	208,964	$	(2,007	)

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-related 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 September 30, 2015.

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.

-13-

As of September 30, 2015, $715,879  thousand of investment securities were pledged to secure public deposits and short-term borrowed funds. As of December 31, 2014, $757,623  thousand of investment securities were pledged to secure public deposits, short-term borrowed funds and FHLB advances.

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

	Investment Securities Available for Sale At December 31, 2014
	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		15	$	253,632	$	(989	)		1	$	9,963	$	(38	)		16	$	263,595	$	(1,027	)
Residential mortgage-backed securities		-		-		-			2		822		(16	)		2		822		(16	)
Commercial mortgage-backed securities		1		942		(7	)		1		803		(3	)		2		1,745		(10	)
Obligations of states and political subdivisions		7		2,548		(18	)		17		5,518		(105	)		24		8,066		(123	)
Residential collateralized mortgage obligations		-		-		-			32		205,074		(8,524	)		32		205,074		(8,524	)
Asset-backed securities		1		5,008		(7	)		1		3,305		(29	)		2		8,313		(36	)
Corporate securities		53		165,026		(1,304	)		5		34,222		(325	)		58		199,248		(1,629	)
Other securities		-		-		-			1		1,876		(124	)		1		1,876		(124	)
Total		77	$	427,156	$	(2,325	)		60	$	261,583	$	(9,164	)		137	$	688,739	$	(11,489	)

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

	Investment Securities Held to Maturity At December 31, 2014
	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)
Residential mortgage-backed securities		4	$	19,467	$	(132	)		1	$	201	$	(5	)		5	$	19,668	$	(137	)
Obligations of states and political subdivisions		103		76,202		(439	)		138		123,370		(1,919	)		241		199,572		(2,358	)
Residential collateralized mortgage obligations		5		13,932		(166	)		22		119,513		(2,215	)		27		133,445		(2,381	)
Total		112	$	109,601	$	(737	)		161	$	243,084	$	(4,139	)		273	$	352,685	$	(4,876	)

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				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Taxable	$	9,120	$	6,348	$	25,067	$	17,907
Tax-exempt		5,801		6,423		17,931		20,143
Total interest income from investment securities	$	14,921	$	12,771	$	42,998	$	38,050

-14-

Note 4: Loans and Allowance for Credit Losses

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

	At September 30, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	354,853		$	537,625		$	3,461	$	126,472		$	354,494		$	1,376,905
Purchased covered loans:
Gross purchased covered loans		-			-			-		2,467			12,328			14,795
Purchased loan discount		-			-			-		(133	)		(22	)		(155	)
Purchased non-covered loans:
Gross purchased non-covered loans		15,443			136,600			984		237			34,116			187,380
Purchased loan discount		(1,100	)		(4,654	)		-		(167	)		(1,161	)		(7,082	)
Total	$	369,196		$	669,571		$	4,445	$	128,876		$	399,755		$	1,571,843

	At December 31, 2014
	Commercial			Commercial Real Estate			Construction			Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	374,005		$	567,594		$	11,003		$	146,925		$	370,842		$	1,470,369
Purchased covered loans:
Gross purchased covered loans		-			-			-			2,626			14,920			17,546
Purchased loan discount		-			-			-			(434	)		(34	)		(468	)
Purchased non-covered loans:
Gross purchased non-covered loans		19,166			157,502			2,919			972			41,656			222,215
Purchased loan discount		(1,356	)		(6,492	)		(50	)		(262	)		(1,212	)		(9,372	)
Total	$	391,815		$	718,604		$	13,872		$	149,827		$	426,172		$	1,700,290

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

	For the Nine Months Ended September 30, 2015			For the Year Ended December 31, 2014
Impaired purchased loans	(In thousands)
Carrying amount at the beginning of the period	$	4,672		$	4,936
Reductions during the period		(3	)		(264	)
Carrying amount at the end of the period	$	4,669		$	4,672

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

	For the Nine Months Ended September 30, 2015			For the Year Ended December 31, 2014
Accretable yield:	(In thousands)
Balance at the beginning of the period	$	2,261		$	2,505
Reclassification from nonaccretable difference		2,327			5,016
Accretion		(3,031	)		(5,260	)
Balance at the end of the period	$	1,557		$	2,261
Accretion	$	(3,031	)	$	(5,260	)
Change in FDIC indemnification		506			1,110
(Increase) in interest income	$	(2,525	)	$	(4,150	)

-15-

The following summarizes activity in the allowance for loan losses:

	Allowance for Loan Losses For the Three Months Ended September 30, 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	$	7,107		$	4,896		$	403		$	2,058		$	7,248		$	1,244		$	-	$	7,872		$	30,828
Additions:
Provision		1,246			(96	)		(205	)		(50	)		367			(15	)		65		(1,312	)		-
Deductions:
Chargeoffs		(239	)		(449	)		-			-			(773	)		-			-		-			(1,461	)
Recoveries		300			27			-			-			336			6			-		-			669
Net loan recoveries (losses)		61			(422	)		-			-			(437	)		6			-		-			(792	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Loan Losses For the Nine Months Ended September 30, 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		2,840			525			(446	)		(233	)		436			(689	)		65		(2,498	)		-
Deductions:
Chargeoffs		(700	)		(449	)		-			-			(2,344	)		(431	)		-		-			(3,924	)
Recoveries		814			57			-			-			1,369			235			-		-			2,475
Net loan recoveries (losses)		114			(392	)		-			-			(975	)		(196	)		-		-			(1,449	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Credit Losses For the Three Months Ended September 30, 2014
	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	$	5,297		$	10,664		$	442	$	409		$	2,055		$	2,707		$	-	$	10,824	$	32,398
Additions:
Provision		(269	)		(640	)		-		(17	)		802			(184	)		-		908		600
Deductions:
Chargeoffs		(905	)		-			-		-			(916	)		-			-		-		(1,821	)
Recoveries		229			15			-		-			297			51			-		-		592
Net loan (losses) recoveries		(676	)		15			-		-			(619	)		51			-		-		(1,229	)
Balance at end of period		4,352			10,039			442		392			2,238			2,574			-		11,732		31,769
Liability for off-balance sheet credit exposure		1,706			24			105		-			451			131			-		276		2,693
Total allowance for credit losses	$	6,058		$	10,063		$	547	$	392		$	2,689		$	2,705		$	-	$	12,008	$	34,462

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-16-

FDIC indemnification expired February 6, 2014 for County Bank non-single-family residential collateralized purchased loans; accordingly, such loans have been reclassified from purchased covered loans to purchased non-covered loans as well as the related allowance for credit losses.

	Allowance for Credit Losses For the Nine Months Ended September 30, 2014
	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	$	4,005		$	12,070		$	602		$	405		$	3,198		$	-		$	1,561		$	9,852	$	31,693
Additions:
Provision		945			(2,224	)		(163	)		17			942			1,203			-			1,880		2,600
Deductions:
Chargeoffs		(1,114	)		-			-			(30	)		(3,217	)		(260	)		-			-		(4,621	)
Recoveries		516			193			3			-			1,315			70			-			-		2,097
Net loan (losses) recoveries		(598	)		193			3			(30	)		(1,902	)		(190	)		-			-		(2,524	)
Indemnification expiration		-			-			-			-			-			1,561			(1,561	)		-		-
Balance at end of period		4,352			10,039			442			392			2,238			2,574			-			11,732		31,769
Liability for off-balance sheet credit exposure		1,706			24			105			-			451			131			-			276		2,693
Total allowance for credit losses	$	6,058		$	10,063		$	547		$	392		$	2,689		$	2,705		$	-		$	12,008	$	34,462

The allowance for credit 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 September 30, 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	$	4,477	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	5,062
Collectively evaluated for impairment		3,937		3,793		198		2,008		7,178		1,235		65		6,560		24,974
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	8,414	$	4,378	$	198	$	2,008	$	7,178	$	1,235	$	65	$	6,560	$	30,036
Carrying value of loans:
Individually evaluated for impairment	$	12,327	$	5,864	$	-	$	-	$	-	$	10,008	$	-	$	-	$	28,199
Collectively evaluated for impairment		342,526		531,761		3,461		126,472		354,494		165,833		14,428		-		1,538,975
Purchased loans with evidence of credit deterioration		-		-		-		-		-		4,457		212		-		4,669
Total	$	354,853	$	537,625	$	3,461	$	126,472	$	354,494	$	180,298	$	14,640	$	-	$	1,571,843

	Allowance for Credit Losses and Recorded Investment in Loans Evaluated for Impairment At December 31, 2014
	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 credit losses:
Individually evaluated for impairment	$	496	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	496
Collectively evaluated for impairment		7,372		4,245		988		2,241		8,154		2,120		-		8,562		33,682
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	7,868	$	4,245	$	988	$	2,241	$	8,154	$	2,120	$	-	$	8,562	$	34,178
Carrying value of loans:
Individually evaluated for impairment	$	11,811	$	2,970	$	-	$	574	$	599	$	12,364	$	-	$	-	$	28,318
Collectively evaluated for impairment		362,194		564,624		11,003		146,351		370,243		196,034		16,851		-		1,667,300
Purchased loans with evidence of credit deterioration		-		-		-		-		-		4,445		227		-		4,672
Total	$	374,005	$	567,594	$	11,003	$	146,925	$	370,842	$	212,843	$	17,078	$	-	$	1,700,290

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.

-17-

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

	Credit Risk Profile by Internally Assigned Grade At September 30, 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	$	338,778	$	512,570	$	3,461	$	123,753	$	353,226	$	155,312		$	13,128		$	1,500,228
Substandard		16,075		25,055		-		2,719		900		32,049			1,667			78,465
Doubtful				-		-		-		30		19			-			49
Loss		-		-		-		-		338		-			-			338
Purchased loan discount		-		-		-		-		-		(7,082	)		(155	)		(7,237	)
Total	$	354,853	$	537,625	$	3,461	$	126,472	$	354,494	$	180,298		$	14,640		$	1,571,843

(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, 2014
	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	$	366,487	$	527,980	$	11,003	$	144,902	$	369,618	$	182,644		$	15,509		$	1,618,143
Substandard		7,506		39,614		-		2,023		734		39,473			2,037			91,387
Doubtful		12		-		-		-		12		77			-			101
Loss		-		-		-		-		478		21			-			499
Purchased loan discount		-		-		-		-		-		(9,372	)		(468	)		(9,840	)
Total	$	374,005	$	567,594	$	11,003	$	146,925	$	370,842	$	212,843		$	17,078		$	1,700,290

(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 September 30, 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	$	354,183	$	417	$	84	$	-	$	169	$	354,853
Commercial real estate		527,957		2,667		-		-		7,001		537,625
Construction		3,461		-		-		-		-		3,461
Residential real estate		124,305		1,360		471		-		336		126,472
Consumer installment and other		350,289		2,834		818		481		72		354,494
Total originated loans		1,360,195		7,278		1,373		481		7,578		1,376,905
Purchased non-covered loans		168,816		1,736		878		-		8,868		180,298
Purchased covered loans		14,473		137		30		-		-		14,640
Total	$	1,543,484	$	9,151	$	2,281	$	481	$	16,446	$	1,571,843

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	Summary of Loans by Delinquency and Nonaccrual Status At December 31, 2014
	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	$	372,235	$	1,704	$	36	$	-	$	30	$	374,005
Commercial real estate		557,041		6,500		-		-		4,053		567,594
Construction		11,003		-		-		-		-		11,003
Residential real estate		144,021		1,513		817		-		574		146,925
Consumer installment and other		365,753		3,310		625		502		652		370,842
Total originated loans		1,450,053		13,027		1,478		502		5,309		1,470,369
Purchased non-covered loans		196,150		4,204		491		-		11,998		212,843
Purchased covered loans		16,389		389		3		-		297		17,078
Total	$	1,662,592	$	17,620	$	1,972	$	502	$	17,604	$	1,700,290

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

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015			2014
	(In thousands)
Interest income that would have been recognized had the loans performed in accordance with their original terms	$	315	$	298	$	969		$	833
Interest income reversed (recognized) on nonaccrual loans		17		15		(308	)		(55	)
Total reduction of interest income	$	332	$	313	$	661		$	778

There were no commitments to lend additional funds to borrowers whose loans were on nonaccrual status at September 30, 2015 and December 31, 2014.

The following summarizes impaired loans:

	Impaired Loans At September 30, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	3,073	$	3,136	$	-
Commercial real estate		16,916		21,949		-
Construction		-		-		-
Residential real estate		566		597		-
Consumer installment and other		428		534		-
Impaired loans with an allowance recorded:
Commercial		9,810		9,810		4,477
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	12,883	$	12,946	$	4,477
Commercial real estate		21,576		27,058		585
Construction		-		-		-
Residential real estate		566		597		-
Consumer installment and other		428		534		-

-19-

	Impaired Loans At December 31, 2014
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,031	$	2,095	$	-
Commercial real estate		19,478		25,519		-
Construction		1,834		1,884		-
Residential real estate		574		574		-
Consumer installment and other		1,518		1,628		-
Impaired loans with an allowance recorded:
Commercial		9,910		9,910		496
Commercial real estate		-		-		-
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	11,941	$	12,005	$	496
Commercial real estate		19,478		25,519		-
Construction		1,834		1,884		-
Residential real estate		574		574		-
Consumer installment and other		1,518		1,628		-

Impaired loans include troubled debt restructured loans. Impaired loans at September 30, 2015, included $12,880 thousand of restructured loans, $6,772 thousand of which were on nonaccrual status. Impaired loans at December 31, 2014, included $4,837 thousand of restructured loans, none of which were on nonaccrual status.

	Impaired Loans
	For the Three Months Ended September 30,								For the Nine Months Ended September 30,
	2015				2014				2015				2014
	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
	(In thousands)
Commercial	$	12,750	$	147	$	3,885	$	59	$	12,513	$	440	$	4,388	$	186
Commercial real estate		21,923		142		20,787		103		19,985		546		19,961		373
Construction		-		-		1,934		-		306		-		2,076		-
Residential real estate		403		9		-		-		652		23		108		-
Consumer installment and other		516		6		1,207		7		856		19		1,416		22
Total	$	35,592	$	304	$	27,813	$	169	$	34,312	$	1,028	$	27,949	$	581

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The following table provides information on troubled debt restructurings:

	Troubled Debt Restructurings At September 30, 2015
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	2,813	$	2,517	$	-
Commercial real estate		7		10,305		10,133		-
Residential real estate		1		242		230		-
Total		14	$	13,360	$	12,880	$	-

	Troubled Debt Restructurings At September 30, 2014
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	3,465	$	3,109	$	259
Commercial real estate		3		2,754		2,787		-
Consumer installment and other		1		18		11		-
Total		10	$	6,237	$	5,907	$	259

During the three and nine months ended September 30, 2015, the Company modified one loan with a carrying value of $6,330 thousand and seven loans with an aggregate carrying value of $8,150 thousand, respectively, that were considered troubled debt restructurings. The concessions granted in the seven restructurings completed in the first nine months of 2015 consisted of modification of payment terms to extend the maturity date to allow for deferred principal repayment, under-market terms and court order.

During the three and nine months ended September 30, 2014, the Company modified three loans with a total carrying value of $617 thousand and five loans with a total carrying value of $726 thousand, respectively, that were considered troubled debt restructurings. The concessions granted in the five restructurings completed in the first nine months of 2014 consisted of modification of payment terms to extend the maturity date to allow for deferred principal repayment.

During the three and nine months ended September 30, 2015 and 2014, no troubled debt restructured loans defaulted within 12 months of the modification date. A troubled debt restructuring is considered to be in default when payments are ninety days or more past due.

The Company repaid $20,015 thousand of Federal Home Loan Bank (“FHLB”) advances in January 2015, which had been collateralized by loans; the collateral requirements expired upon repayment of the debt. At December 31, 2014, the Company pledged loans to secure borrowings with a carrying value of $20,015 thousand from the FHLB. The loans restricted due to collateral requirements approximated $18,366 thousand at December 31, 2014.

There were no loans held for sale at September 30, 2015 and December 31, 2014.

At September 30, 2015 and September 30, 2014, the Company held total other real estate owned (OREO) of $9,269 thousand and $7,273 thousand, respectively, of which $-0- thousand and $585 thousand, respectively, were 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 totaled $-0- thousand and $595 thousand at September 30, 2015 and September 30, 2014, respectively.

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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 September 30, 2015, Westamerica Bank did not have credit extended to any one entity exceeding these limits. At September 30, 2015, 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 $60,848 thousand and $66,086  thousand at September 30, 2015 and December 31, 2014, 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 September 30, 2015, Westamerica Bank held corporate bonds in 45 issuing entities which exceeded $5 million of each issuer.

Note 6: Other Assets

Other assets consisted of the following:

	At September 30, 2015		At December 31, 2014
	(In thousands)
Cost method equity investments:
Federal Reserve Bank stock (1)	$	14,069	$	14,069
Federal Home Loan Bank stock (2)		-		940
Other investments		201		241
Total cost method equity investments		14,270		15,250
Life insurance cash surrender value		48,335		46,479
Net deferred tax asset		47,046		50,903
Limited partnership investments		15,934		18,673
Interest receivable		18,637		19,394
Prepaid assets		4,309		5,609
Other assets		10,381		10,150
Total other assets	$	158,912	$	166,458

⁽¹⁾ A bank applying for membership in the Federal Reserve System is required to subscribe to stock in the Federal Reserve Bank of San Francisco (FRB) 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.

⁽²⁾ Borrowings from the FHLB must be supported by capital stock holdings. The minimum activity-based requirement is 4.7% of the outstanding advances. The requirement may be adjusted from time to time by the FHLB within limits established in the FHLB's Capital Plan.

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 September 30, 2015, this investment totaled $15,934 thousand and $2,299 thousand of this amount represents outstanding equity capital commitments. These commitments are expected to be paid as follows, $453 thousand in 2015, $763 thousand in 2016, and $1,083 thousand in 2017 or thereafter.

The amounts recognized in net income for these investments include:

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Investment loss included in pre-tax income	$	750	$	750	$	2,175	$	2,200
Tax credits recognized in provision for income taxes		663		610		1,988		2,200

-22-

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 periodically evaluated for impairment. The Company did not recognize impairment during the three and nine months ended September 30, 2015 and year ended December 31, 2014. 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 nine months ended September 30, 2015 and year ended December 31, 2014, no such adjustments were recorded.

The carrying values of goodwill were:

	At September 30, 2015		At December 31, 2014
	(In thousands)
Goodwill	$	121,673	$	121,673

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

	At September 30, 2015					At December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(45,897	)	$	56,808	$	(43,188	)
Merchant Draft Processing Intangible		10,300		(9,832	)		10,300		(9,633	)
Total Identifiable Intangible Assets	$	67,108	$	(55,729	)	$	67,108	$	(52,821	)

As of September 30, 2015, the current year and estimated future amortization expense for identifiable intangible assets was:

	Core Deposit Intangibles		Merchant Draft Processing Intangible		Total
	(In thousands)
Nine months ended September 30, 2015 (actual)	$	2,709	$	199	$	2,908
Estimate for year ended December 31, 2015		3,594		262		3,856
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 September 30, 2015		At December 31, 2014
	(In thousands)
Noninterest-bearing	$	1,942,450	$	1,910,781
Interest-bearing:
Transaction		812,940		792,448
Savings		1,310,985		1,260,819
Time deposits less than $100 thousand		156,503		169,959
Time deposits $100 thousand through $250 thousand		101,317		113,023
Time deposits more than $250 thousand		42,725		102,161
Total deposits	$	4,366,920	$	4,349,191

Demand deposit overdrafts of $2,753 thousand and $3,173 thousand were included as loan balances at September 30, 2015 and December 31, 2014, respectively. Interest expense for aggregate time deposits with individual account balances in excess of $100 thousand was $164 thousand and $543 thousand in the third quarter of and first nine months of 2015, respectively and $219 thousand and $683 thousand in the third quarter of and first nine months of 2014, respectively.

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

	Repurchase Agreements (Sweep) Accounted for as Secured Borrowings
	At September 30, 2015		At December 31, 2014
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Overnight and Continuous
Repurchase agreements:	(In thousands)
Securities of U.S. Government sponsored entities	$	110,541	$	80,827
Obligations of states and political subdivisions		3,975		14,251
Corporate securities		54,832		52,936
Total collateral carrying value	$	169,348	$	148,014
Total short-term borrowed funds	$	57,063	$	89,784

FHLB advances matured and were repaid in full in January 2015. At December 31, 2014, FHLB advances with a carrying value of $20,015 thousand were secured by residential real estate loans and securities of approximately $26,484  thousand.

The Company has a $35,000 thousand unsecured line of credit which had no outstanding balance at September 30, 2015 and December 31, 2014. The line of credit has a variable interest rate, which was 2.0% per annum at September 30, 2015, with interest payable monthly on outstanding advances. Advances may be made up to the unused credit limit through March 18, 2016.

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, municipal bonds and residential collateralized mortgage obligations.

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 is 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 and 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. During the three months 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. For the three months ended September 30, 2015 and the year ended December 31, 2014, 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 table below presents assets measured at fair value on a recurring basis.

	At September 30, 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)
U.S. Treasury securities	$	3,001	$	3,001	$	-	$	-
Securities of U.S. Government sponsored entities		342,409		-		342,409		-
Residential mortgage-backed securities		20,590		-		20,590		-
Commercial mortgage-backed securities		2,552		-		2,552		-
Obligations of states and political subdivisions		161,155		-		161,155		-
Residential collateralized mortgage obligations		194,552		-		194,552		-
Asset-backed securities		2,330		-		2,330		-
FHLMC and FNMA stock		6,500		10		6,490		-
Corporate securities		835,839		-		835,839		-
Other securities		2,782		924		1,858		-
Total securities available for sale	$	1,571,710	$	3,935	$	1,567,775	$	-

	At December 31, 2014
	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)
U.S. Treasury securities	$	3,505	$	3,505	$	-	$	-
Securities of U.S. Government sponsored entities		635,188		635,188		-		-
Residential mortgage-backed securities		26,407		-		26,407		-
Commercial mortgage-backed securities		2,919		-		2,919		-
Obligations of states and political subdivisions		181,799		-		181,799		-
Residential collateralized mortgage obligations		222,457		-		222,457		-
Asset-backed securities		8,313		-		8,313		-
FHLMC and FNMA stock		5,168		5,168		-		-
Corporate securities		512,239		-		512,239		-
Other securities		2,786		910		1,876		-
Total securities available for sale	$	1,600,781	$	644,771	$	956,010	$	-

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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 September 30, 2015 and December 31, 2014, 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 September 30, 2015								For the Nine Months Ended September 30, 2015
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	9,269	$	-	$	-	$	9,269	$	(315	)
Impaired loans		15,738		-		-		15,738		(449	)
Total assets measured at fair value on a nonrecurring basis	$	25,007	$	-	$	-	$	25,007	$	(764	)

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.

	At December 31, 2014								For the Year Ended December 31, 2014
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	6,374	$	-	$	6,374	$	-	$	(358	)
Impaired loans		17,085		-		7,670		9,415		(884	)
Total assets measured at fair value on a nonrecurring basis	$	23,459	$	-	$	14,044	$	9,415	$	(1,242	)

Level 2 – Valuation is based upon independent market prices or appraised value of the collateral, less 10% for selling costs, generally. Level 2 includes other real estate owned that has been measured at fair value upon transfer to foreclosed assets and impaired loans collateralized by real property 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.

Level 3 – Valuation is based upon estimated liquidation values of loan collateral. The value of level 3 assets can also include a component of real estate, which is valued as described for level 2 inputs, when collateral for the impaired loan includes both business assets and real estate. Level 3 includes impaired loans where a specific reserve has been established or a chargeoff has been recorded.

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 1 and 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 $30,036 thousand at September 30, 2015 and $31,485 thousand at December 31, 2014 and the purchased loan discount associated with purchased covered and purchased non-covered loans of $155 thousand and $7,082 thousand, respectively at September 30, 2015 and of $468 thousand and $9,372 thousand, respectively at December 31, 2014 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.

Federal Home Loan Bank Advances The fair values of FHLB advances were estimated by using redemption amounts quoted by the Federal Home Loan Bank of San Francisco.

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 September 30, 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	$	268,587	$	268,587	$	268,587	$	-	$	-
Investment securities held to maturity		1,278,814		1,293,958		-		1,293,958		-
Loans		1,541,807		1,554,908		-		-		1,554,908
Financial Liabilities:
Deposits	$	4,366,920	$	4,365,831	$	-	$	4,066,375	$	299,456
Short-term borrowed funds		57,063		57,063		-		57,063		-

	At December 31, 2014
	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	$	380,836	$	380,836	$	380,836	$	-	$	-
Investment securities held to maturity		1,038,658		1,048,562		1,077		1,047,485		-
Loans		1,668,805		1,685,048		-		-		1,685,048
Financial Liabilities:
Deposits	$	4,349,191	$	4,348,958	$	-	$	3,964,048	$	384,910
Short-term borrowed funds		89,784		89,784		-		89,784		-
Federal Home Loan Bank advances		20,015		20,014		20,014		-		-

-28-

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.

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 $316,947 thousand and $312,694 thousand at September 30, 2015 and December 31, 2014, 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 $27,117 thousand and $29,002 thousand at September 30, 2015 and December 31, 2014, respectively. The Company also had commitments for commercial and similar letters of credit of $40 thousand at September 30, 2015 and December 31, 2014. At September 30, 2015 and December 31, 2014, the Company had a reserve for unfunded commitments of $2,593 thousand and $2,693 thousand, respectively, 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				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands, except per share data)
Net income applicable to common equity (numerator)	$	14,857	$	15,154	$	44,175	$	45,618
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		25,530		25,973		25,565		26,192
Basic earnings per common share	$	0.58	$	0.58	$	1.73	$	1.74
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		25,530		25,973		25,565		26,192
Add common stock equivalents for options		35		43		20		70
Weighted average number of common shares outstanding - diluted (denominator)		25,565		26,016		25,585		26,262
Diluted earnings per common share	$	0.58	$	0.58	$	1.73	$	1.74

For the three and nine months ended September 30, 2015, options to purchase 1,043 thousand and 1,396 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.

For the three and nine months ended September 30, 2014, options to purchase 1,322 thousand and 1,060 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						For the Nine Months
	Ended September 30,
	2015			2014			2015			2014
	(In thousands, except per share data)
Net Interest and Fee Income (FTE)1	$	37,179		$	37,905		$	111,524		$	115,351
Provision for Loan Losses		-			600			-			2,600
Noninterest Income		11,993			13,054			36,562			39,242
Noninterest Expense		26,173			26,616			79,796			80,446
Income Before Income Taxes (FTE)1		22,999			23,743			68,290			71,547
Income Tax Provision (FTE)1		8,142			8,589			24,115			25,929
Net Income	$	14,857		$	15,154		$	44,175		$	45,618
Average Common Shares Outstanding		25,530			25,973			25,565			26,192
Diluted Average Common Shares Outstanding		25,565			26,016			25,585			26,262
Common Shares Outstanding at Period End		25,530			25,906
Per Common Share:
Basic Earnings	$	0.58		$	0.58		$	1.73		$	1.74
Diluted Earnings		0.58			0.58			1.73			1.74
Book Value	$	20.91		$	20.59
Financial Ratios:
Return on Assets		1.16	%		1.21	%		1.17	%		1.24	%
Return on Common Equity		11.33	%		11.55	%		11.42	%		11.59	%
Net Interest Margin (FTE)1		3.31	%		3.66	%		3.37	%		3.75	%
Net Loan Losses to Average Loans		0.20	%		0.28	%		0.12	%		0.19	%
Efficiency Ratio2		53.2	%		52.2	%		53.9	%		52.0	%
Average Balances:
Assets	$	5,062,334		$	4,971,808		$	5,055,421		$	4,923,705
Earning Assets		4,471,690			4,125,835			4,417,114			4,111,364
Loans		1,591,798			1,760,115			1,643,438			1,794,513
Deposits		4,414,711			4,303,389			4,404,379			4,250,969
Shareholders' Equity		520,261			520,702			517,054			526,337
Period End Balances:
Assets	$	5,001,395		$	4,993,725
Earning Assets		4,422,367			4,158,785
Loans		1,571,843			1,732,382
Deposits		4,366,920			4,321,638
Shareholders' Equity		533,938			533,395
Capital Ratios at Period End:
Total Risk Based Capital		13.39	%		15.03	%
Tangible Equity to Tangible Assets		8.23	%		8.16	%
Dividends Paid Per Common Share	$	0.38		$	0.38		$	1.14		$	1.14
Common Dividend Payout Ratio		66	%		66	%		66	%		66	%

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 a "fully taxable equivalent" ("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).

-30-

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

The Federal Reserve’s Federal Open Market Committee has maintained highly accommodative monetary policies to influence interest rates to low levels in order to provide stimulus to the economy following the “financial crisis” recession. The Company’s principal source of revenue is net interest and fee income, which represents interest earned on loans and investment securities (“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 have 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 is reducing its exposure to rising interest rates by purchasing shorter-duration investment securities with lower yields than longer-duration securities. The Company’s credit quality continued to improve, as nonperforming loans at September 30, 2015 declined 9.6 percent compared with September 30, 2014 and net loan losses remained relatively low in the three and nine months ended September 30, 2015. The improvement in credit quality has resulted in Management reducing the provision for loan losses to zero in the third quarter and in the first nine months of 2015 from $600 thousand in the third quarter 2014 and $2.6 million in the first nine months of 2014. The credit quality improvement also contributed to reducing noninterest expenses related to nonperforming assets. Management is focused on controlling all noninterest expense levels, particularly due to market interest rate pressure on net interest income.

Westamerica Bancorporation and subsidiaries (the “Company”) earned net income of $14.9 million or $0.58 diluted earnings per common share for the third quarter 2015 and net income of $44.2 million or $1.73 diluted earnings per common share for the nine months ended September 30, 2015. These results compare to net income of $15.2 million or $0.58 diluted earnings per common share for the third quarter 2014 and net income of $45.6 million or $1.74 diluted earnings per common share for the nine months ended September 30, 2014.

Net Income

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

	For the Three Months						For the Nine Months
	Ended September 30,
	2015			2014			2015			2014
	(In thousands, except per share data)
Net interest income (FTE)	$	37,179		$	37,905		$	111,524		$	115,351
Provision for loan losses		-			(600	)		-			(2,600	)
Noninterest income		11,993			13,054			36,562			39,242
Noninterest expense		(26,173	)		(26,616	)		(79,796	)		(80,446	)
Income before taxes (FTE)		22,999			23,743			68,290			71,547
Income tax provision (FTE)		(8,142	)		(8,589	)		(24,115	)		(25,929	)
Net income	$	14,857		$	15,154		$	44,175		$	45,618
Average diluted common shares		25,565			26,016			25,585			26,262
Diluted earnings per common share	$	0.58		$	0.58		$	1.73		$	1.74
Average total assets	$	5,062,334		$	4,971,808		$	5,055,421		$	4,923,705
Net income to average total assets (annualized)		1.16	%		1.21	%		1.17	%		1.24	%
Net income to average common stockholders' equity (annualized)		11.33	%		11.55	%		11.42	%		11.59	%

Net income for the third quarter of 2015 was less than the same quarter of 2014, the net result of declines in net interest and fee income (fully taxable equivalent or “FTE”) and noninterest income, partially offset by decreases in the provision for loan losses, noninterest expense and income tax provision (FTE). A decrease in net interest and fee income (FTE) was mostly attributed to lower average balances of loans and lower net yield on interest-earning assets, partially offset by higher average balances of investments and a lower average volume of higher-cost funding sources. The provision for loan losses was reduced to zero, reflecting Management's evaluation of losses inherent in the loan portfolio; net losses and nonperforming loan volumes have declined relative to earlier periods. Noninterest income decreased primarily due to reduced levels of service charges on deposit accounts and merchant processing service fees. Noninterest expense decreased primarily due to lower personnel costs.

-31-

Comparing the first nine months of 2015 to the first nine months of 2014, net income decreased due to lower net interest and fee income (FTE) and lower noninterest income, partially offset by decreases in the provision for loan losses, noninterest expense and income tax provision (FTE). The lower net interest and fee income (FTE) was primarily caused by a lower average volume of loans and lower net yield on interest earning assets, partially offset by higher average balances of investments and a lower average volume of higher-cost funding sources. The provision for loan losses was reduced to zero, reflecting improved credit quality and Management's evaluation of losses inherent in the loan portfolio. Noninterest income decreased primarily due to reduced levels of service charges on deposit accounts, merchant processing services and other income. Noninterest expense decreased mostly due to lower personnel expenses, partially offset by higher expense for other real estate owned.

Net Interest and Fee Income (FTE)

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

	For the Three Months						For the Nine Months
	Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Interest and fee income	$	34,299		$	34,900		$	102,641		$	105,867
Interest expense		(585	)		(846	)		(1,861	)		(2,644	)
FTE adjustment		3,465			3,851			10,744			12,128
Net interest and fee income (FTE)	$	37,179		$	37,905		$	111,524		$	115,351
Average earning assets	$	4,471,690		$	4,125,835		$	4,417,114		$	4,111,364
Net interest margin (FTE) (annualized)		3.31	%		3.66	%		3.37	%		3.75	%

Net interest and fee income (FTE) decreased during the third quarter 2015 by $726 thousand from the same period in 2014 to $37.2 million, mainly due to lower average balances of loans (down $168 million) and lower yields on interest-earning assets (down 38 basis points “bp”), partially offset by higher average balances of investments (up $514 million) and lower average balances of higher-costing interest-bearing liabilities.

Comparing the first nine months of 2015 with the first nine months of 2014, net interest and fee income (FTE) decreased $3.8 million due to a lower average volume of loans (down $151 million) and lower yields on interest earning assets (down 41 bp), partially offset by higher average balances of investments (up $457 million) and a lower average volume of higher-cost funding sources.

Loan volumes have declined due to reduced volumes of loan originations and problem loan workout activities (such as chargeoffs, collateral repossessions and principal payments). 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 have declined due to relatively low interest rates prevailing in the market. The net interest margin (FTE) was 3.31% and 3.37% in the third quarter and the first nine months of 2015, respectively, compared with 3.66% and 3.75% in the third quarter and the first nine months of 2014, respectively. The volume of older-dated higher-yielding loans declined due to principal maturities and paydowns. Newly originated loans have lower yields. 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 once 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.

Interest and Fee Income (FTE)

Interest and fee income (FTE) for the third quarter 2015 decreased $987 thousand or 2.5% from the same period in 2014. The decrease was caused by lower average balances of loans and lower net yield on interest-earning assets, partially offset by higher average balances of investments.

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The total average balances of loans declined due to decreases in the average balances of commercial real estate loans (down $66 million), consumer loans (down $42 million), residential real estate loans (down $33 million) and commercial loans (down $20 million). The average investment portfolio increased largely due to higher average balances of corporate securities (up $356 million) and collateralized mortgage obligations and mortgage-backed securities (up $154 million) and securities of U.S. Government sponsored entities (up $53 million), partially offset by a $40 million decrease in average balances of municipal securities.

The average yield on the Company's earning assets decreased from 3.74% in the third quarter 2014 to 3.36% in the corresponding period of 2015. The composite yield on loans declined 16 bp to 4.92% as newly originated loans generally yield less than the overall portfolio due to low market interest rates. The investment yields in general declined due to market rates; the investment portfolio yield decreased 24 bp to 2.50%.

Comparing the nine months of 2015 with the nine months of 2014, interest and fee income (FTE) was down $4.6 million or 3.9%. The decrease resulted from a lower average volume of loans and net lower yield on interest earning assets, partially offset by higher average balances of investments.

In the first nine months of 2015 the average balance of the loan portfolio decreased compared with the first nine months of 2014 primarily due to decreases in average balances of commercial real estate loans (down $78 million), consumer loans (down $37 million) and residential real estate loans (down $34 million). The average investment portfolio increased mostly due to higher average balances of U.S. government sponsored entities (up $217 million) and corporate securities (up $292 million), partially offset by lower average balances of municipal securities (down $47 million). The average yield on earning assets for the first nine months of 2015 was 3.43% compared with 3.84% in the first nine months of 2014. The loan portfolio yield for the first nine months of 2015 was 4.94% compared with 5.15% for the first nine months of 2014. The investment portfolio yield decreased 28 bp to 2.53%. Yields on loans and investment securities declined as newly originated loans and purchased investment securities have yields lower than aggregate portfolio yields due to low market interest rates.

Interest Expense

Interest expense has been reduced by lowering rates paid on interest-bearing deposits and borrowings and by reducing the volume of higher-cost funding sources. A $10 million term repurchase agreement was repaid in August 2014. Federal Home Loan Bank advances of $20 million were repaid in January 2015. Average balances of time deposits declined $110 million in the third quarter 2015 compared with the third quarter 2014. Similarly, average balances of time deposits declined $100 million in the first nine months of 2015 compared with the first nine months of 2014. Lower-cost checking and savings deposits accounted for 92.8% and 92.1% of total average deposits in the third quarter 2015 and in the first nine months of 2015, respectively, compared with 90.1% and 89.4% in the third quarter 2014 and in the first nine months of 2014, respectively.

As a result, interest expense in the third quarter of 2015 decreased $261 thousand or 30.9% compared with the same period in 2014. The average rate paid on interest-bearing liabilities decreased from 0.13% in the third quarter of 2014 compared to 0.09% in the third quarter of 2015.

Comparing the first nine months of 2015 with the first nine months of 2014, interest expense declined $783 thousand or 29.6%. Rates paid on interest-bearing liabilities averaged 0.10% during the first nine months of 2015 compared with 0.14% for the first nine months of 2014. Rates paid on interest-bearing deposits were 0.10% in the first nine months of 2015 compared with 0.12% in the first nine months of 2014.

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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						For the Nine Months
	Ended September 30,
	2015			2014			2015			2014
Yield on earning assets (FTE)		3.36	%		3.74	%		3.43	%		3.84	%
Rate paid on interest-bearing liabilities		0.09	%		0.13	%		0.10	%		0.14	%
Net interest spread (FTE)		3.27	%		3.61	%		3.33	%		3.70	%
Impact of noninterest bearing demand deposits		0.04	%		0.05	%		0.04	%		0.05	%
Net interest margin (FTE)		3.31	%		3.66	%		3.37	%		3.75	%

During the third quarter and the first nine months of 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. Newly originated loans have lower yields. The Company, in anticipation of rising interest rates, has been purchasing floating rate and shorter-duration investment securities to increase liquidity. Rates on interest-bearing liabilities were kept low by reducing the volume of higher-cost funding sources. During the third quarter 2015 the net interest margin (FTE) decreased 35 bp compared with the same period in 2014. Lower yields on earning assets were partially offset by lower rates paid on interest-bearing liabilities and resulted in a 34 bp decrease in net interest spread (FTE). During the first nine months of 2015, the net interest margin (FTE) decreased 38 bp compared with the first nine months of 2014. The net interest spread (FTE) in the first nine months of 2015 was 3.33% compared with 3.70% in the first nine months of 2014, the net result of a 41 bp decrease in earning asset yield and 4 bp decrease in the cost of interest-bearing liabilities.

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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 September 30, 2015
	Average Balance		Interest Income/ Expense		Yields/ Rates
	(In thousands)
Assets
Investment securities:
Taxable	$	2,043,470	$	9,120		1.79	%
Tax-exempt (1)		836,422		8,912		4.26	%
Total investments (1)		2,879,892		18,032		2.50	%
Loans:
Taxable		1,516,937		18,719		4.90	%
Tax-exempt (1)		74,861		1,013		5.37	%
Total loans (1)		1,591,798		19,732		4.92	%
Total Interest-earning assets (1)		4,471,690	$	37,764		3.36	%
Other assets		590,644
Total assets	$	5,062,334
Liabilities and shareholders' equity
Noninterest-bearing demand	$	1,975,498	$	-		-	%
Savings and interest-bearing transaction		2,121,607		276		0.05	%
Time less than $100,000		170,390		133		0.31	%
Time $100,000 or more		147,216		164		0.44	%
Total interest-bearing deposits		2,439,213		573		0.09	%
Short-term borrowed funds		72,607		12		0.07	%
Total interest-bearing liabilities		2,511,820	$	585		0.09	%
Other liabilities		54,755
Shareholders' equity		520,261
Total liabilities and shareholders' equity	$	5,062,334
Net interest spread (1) (2)						3.27	%
Net interest and fee income and interest margin (1) (3)			$	37,179		3.31	%

⁽¹⁾ Amounts calculated on a fully taxable equivalent 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.

-35-

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

	For the Three Months Ended September 30, 2014
	Average Balance		Interest Income/ Expense		Yields/ Rates
	(In thousands)
Assets
Investment securities:
Taxable	$	1,498,048	$	6,348		1.70	%
Tax-exempt (1)		867,672		9,865		4.55	%
Total investments (1)		2,365,720		16,213		2.74	%
Loans:
Taxable		1,674,517		21,365		5.06	%
Tax-exempt (1)		85,598		1,173		5.44	%
Total loans (1)		1,760,115		22,538		5.08	%
Total Interest-earning assets (1)		4,125,835	$	38,751		3.74	%
Other assets		845,973
Total assets	$	4,971,808
Liabilities and shareholders' equity
Noninterest-bearing demand	$	1,869,853	$	-		-	%
Savings and interest-bearing transaction		2,005,687		290		0.06	%
Time less than $100,000		194,338		200		0.41	%
Time $100,000 or more		233,511		219		0.37	%
Total interest-bearing deposits		2,433,536		709		0.12	%
Short-term borrowed funds		71,067		23		0.13	%
Term repurchase agreement		4,457		11		1.00	%
Federal Home Loan Bank advances		20,240		103		2.02	%
Total interest-bearing liabilities		2,529,300	$	846		0.13	%
Other liabilities		51,953
Shareholders' equity		520,702
Total liabilities and shareholders' equity	$	4,971,808
Net interest spread (1) (2)						3.61	%
Net interest and fee income and interest margin (1) (3)			$	37,905		3.66	%

⁽¹⁾ Amounts calculated on a fully taxable equivalent 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.

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

	For the Nine Months Ended September 30, 2015
	Average Balance		Interest Income/ Expense		Yields/ Rates
	(In thousands)
Assets
Investment securities:
Taxable	$	1,918,319	$	25,067		1.74	%
Tax-exempt (1)		855,357		27,549		4.29	%
Total investments (1)		2,773,676		52,616		2.53	%
Loans:
Taxable		1,566,333		57,547		4.91	%
Tax-exempt (1)		77,105		3,222		5.59	%
Total loans (1)		1,643,438		60,769		4.94	%
Total Interest-earning assets (1)		4,417,114	$	113,385		3.43	%
Other assets		638,307
Total assets	$	5,055,421
Liabilities and shareholders' equity
Noninterest-bearing demand	$	1,946,018	$	-		-	%
Savings and interest-bearing transaction		2,109,831		824		0.05	%
Time less than $100,000		175,696		449		0.34	%
Time $100,000 or more		172,834		543		0.42	%
Total interest-bearing deposits		2,458,361		1,816		0.10	%
Short-term borrowed funds		81,926		44		0.07	%
Federal Home Loan Bank advances		661		1		0.20	%
Total interest-bearing liabilities		2,540,948	$	1,861		0.10	%
Other liabilities		51,401
Shareholders' equity		517,054
Total liabilities and shareholders' equity	$	5,055,421
Net interest spread (1) (2)						3.33	%
Net interest and fee income and interest margin (1) (3)			$	111,524		3.37	%

⁽¹⁾ Amounts calculated on a fully taxable equivalent 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.

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

	For the Nine Months Ended September 30, 2014
	Average Balance		Interest Income/ Expense		Yields/ Rates
	(In thousands)
Assets
Investment securities:
Taxable	$	1,421,601	$	17,907		1.68	%
Tax-exempt (1)		895,250		30,935		4.61	%
Total investments (1)		2,316,851		48,842		2.81	%
Loans:
Taxable		1,704,546		65,325		5.12	%
Tax-exempt (1)		89,967		3,828		5.69	%
Total loans (1)		1,794,513		69,153		5.15	%
Total Interest-earning assets (1)		4,111,364	$	117,995		3.84	%
Other assets		812,341
Total assets	$	4,923,705
Liabilities and shareholders' equity
Deposits:
Noninterest-bearing demand	$	1,813,141	$	-		-	%
Savings and interest-bearing transaction		1,988,905		896		0.06	%
Time less than $100,000		201,438		637		0.42	%
Time $100,000 or more		247,485		683		0.37	%
Total interest-bearing deposits		2,437,828		2,216		0.12	%
Short-term borrowed funds		64,836		64		0.13	%
Term repurchase agreement		8,132		60		0.99	%
Federal Home Loan Bank advances		20,379		304		1.99	%
Total interest-bearing liabilities		2,531,175	$	2,644		0.14	%
Other liabilities		53,052
Shareholders' equity		526,337
Total liabilities and shareholders' equity	$	4,923,705
Net interest spread (1) (2)						3.70	%
Net interest and fee income and interest margin (1) (3)			$	115,351		3.75	%

⁽¹⁾ Amounts calculated on a fully taxable equivalent 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 (annualized), divided by the average balance of interest-earning assets.

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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 September 30, 2015 Compared with For the Three Months Ended September 30, 2014
	Volume			Yield/Rate			Total
	(In thousands)
Increase (decrease) in interest and fee income:
Investment securities:
Taxable	$	2,359		$	413		$	2,772
Tax-exempt (1)		(392	)		(561	)		(953	)
Total investments (1)		1,967			(148	)		1,819
Loans:
Taxable		(1,915	)		(731	)		(2,646	)
Tax-exempt (1)		(147	)		(13	)		(160	)
Total loans (1)		(2,062	)		(744	)		(2,806	)
Total decrease in interest and fee income (1)		(95	)		(892	)		(987	)
Increase (decrease) in interest expense:
Deposits:
Savings and interest-bearing transaction		17			(31	)		(14	)
Time less than $100,000		(25	)		(42	)		(67	)
Time $100,000 or more		(81	)		26			(55	)
Total interest-bearing deposits		(89	)		(47	)		(136	)
Short-term borrowed funds		-			(11	)		(11	)
Term repurchase agreement		(11	)		-			(11	)
Federal Home Loan Bank advances		(103	)		-			(103	)
Total decrease in interest expense		(203	)		(58	)		(261	)
Increase (decrease) in net interest and fee income (1)	$	108		$	(834	)	$	(726	)

⁽¹⁾ Amounts calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

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Summary of Changes in Interest Income and Expense

	For the Nine Months Ended September 30, 2015 Compared with For the Nine Months Ended September 30, 2014
	Volume			Yield/Rate			Total
	(In thousands)
Increase (decrease) in interest and fee income:
Investment securities:
Taxable	$	6,100		$	1,060		$	7,160
Tax-exempt (1)		(1,413	)		(1,973	)		(3,386	)
Total investments (1)		4,687			(913	)		3,774
Loans:
Taxable		(5,035	)		(2,743	)		(7,778	)
Tax-exempt (1)		(547	)		(59	)		(606	)
Total loans (1)		(5,582	)		(2,802	)		(8,384	)
Total decrease in interest and fee income (1)		(895	)		(3,715	)		(4,610	)
Increase (decrease) in interest expense:
Deposits:
Savings and interest-bearing transaction		54			(126	)		(72	)
Time less than $100,000		(81	)		(107	)		(188	)
Time $100,000 or more		(206	)		66			(140	)
Total interest-bearing deposits		(233	)		(167	)		(400	)
Short-term borrowed funds		17			(37	)		(20	)
Term repurchase agreement		(60	)		-			(60	)
Federal Home Loan Bank advances		(294	)		(9	)		(303	)
Total decrease in interest expense		(570	)		(213	)		(783	)
Decrease in net interest and fee income (1)	$	(325	)	$	(3,502	)	$	(3,827	)

⁽¹⁾ Amounts calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

Provision for Loan Losses

The Company manages credit costs by consistently enforcing 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 third quarter 2015 and the first nine months of 2015 compared with $600 thousand and $2.6 million in the third quarter 2014 and the first nine months of 2014, respectively. The provision for loan losses is determined based on Management’s evaluation of credit quality for the loan portfolio. The reduction in the provision for loan losses in the third quarter and the first nine months of 2015 reflects the decline in net losses and nonperforming loan volumes during the periods relative to earlier periods. 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				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Service charges on deposit accounts	$	5,581	$	6,207	$	16,981	$	18,322
Merchant processing services		1,485		1,742		4,971		5,485
Debit card fees		1,538		1,543		4,528		4,482
Other service fees		693		695		2,041		2,044
Trust fees		682		629		2,061		1,899
ATM processing fees		616		637		1,828		1,891
Financial services commissions		177		194		527		585
Other		1,221		1,407		3,625		4,534
Total	$	11,993	$	13,054	$	36,562	$	39,242

Noninterest income for the third quarter 2015 declined by $1.0 million or 8.1% from the same period in 2014. Service charges on deposits decreased $626 thousand due to declines in fees charged on overdrawn and insufficient funds accounts and lower fees on analyzed accounts. Merchant processing services declined $257 thousand primarily due to lower transaction volumes.

In the first nine months of 2015, noninterest income decreased $2.7 million or 6.8% compared with the first nine months of 2014. Service charges on deposits decreased $1.3 million compared with the first nine months of 2014 due to declines in fees charged on overdrawn and insufficient funds accounts, lower fees on analyzed accounts and lower activity on checking accounts. Merchant processing services declined $514 thousand primarily due to lower transaction volumes. Trust fees increased mostly due to successful marketing efforts to increase customer accounts.

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Noninterest Expense

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

	For the Three Months					For the Nine Months
	Ended September 30,
	2015		2014			2015		2014
	(In thousands)
Salaries and related benefits	$	12,761	$	13,639		$	39,795	$	41,691
Occupancy		3,746		3,811			11,199		11,284
Outsourced data processing services		2,115		2,093			6,334		6,314
Furniture and equipment		1,075		1,059			3,353		3,070
Amortization of identifiable intangibles		952		1,056			2,908		3,219
Courier service		604		663			1,744		1,938
Professional fees		746		700			1,876		1,707
Other real estate owned		83		(287	)		451		(908	)
Other		4,091		3,882			12,136		12,131
Total	$	26,173	$	26,616		$	79,796	$	80,446

Noninterest expense decreased $443 thousand in the third quarter 2015 compared with the same period in 2014 primarily due to lower personnel costs, partially offset by increases in other real estate owned (“OREO”) expense. Salaries and related benefits declined mostly due to employee attrition. Amortization of identifiable intangibles decreased as assets are amortized on a declining balance method. OREO expense in the third quarter 2014 was reduced by net gains on disposition of foreclosed assets and higher rental income.

In the first nine months of 2015, noninterest expense decreased compared with the first nine months of 2014 primarily due to lower personnel costs, lower intangible amortization, lower courier service costs and other expense, partially offset by increases in expenses for OREO, furniture and equipment and professional services. Salaries and related benefits decreased primarily due to employee attrition. Amortization of identifiable intangibles decreased as assets are amortized on a declining balance method. Courier expense decreased primarily due to consolidating service runs. OREO expense in the first nine months of 2015 included net writedowns while in the first nine months of 2014 the Company realized net gains on disposition of foreclosed assets. Furniture and equipment expense increased primarily due to higher depreciation costs resulting from computer and software upgrades and higher software license fees.

Provision for Income Tax

During the third quarter 2015, the Company recorded an income tax provision (FTE) of $8.1 million, compared with $8.6 million in the third quarter 2014. The third quarter 2015 provision represents an effective tax rate (FTE) of 35.4%, compared with 36.2% for the third quarter 2014. The income tax provision (FTE) was $24.1 million for the first nine months of 2015 compared with $25.9 million for the corresponding period of 2014. The first nine months of 2015 effective tax rate (FTE) was 35.3% compared to 36.2% for the same period of 2014. The effective tax rates (FTE) for the third quarter 2015 and the first nine months of 2015 were lower than prior periods primarily because 2015 included an adjustment based on filing the 2014 federal tax return and tax benefits from completing audits with California Franchise Tax Board.

Investment Portfolio

The Company maintains a securities portfolio consisting of securities issued by U.S. Treasury, U.S. Government sponsored entities, 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 September 30, 2015, an increase of $211 million compared to December 31, 2014.

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.

-42-

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 September 30, 2015, 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.

At September 30, 2015, the Company’s investment securities portfolios included securities issued by 719 state and local government municipalities and agencies located within 44 states with a fair value of $855.3 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.

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

	At September 30, 2015
	Amortized Cost		Fair Value
	(In thousands)
Obligations of states and political subdivisions:
California	$	117,972	$	120,816
Texas		63,065		64,404
Pennsylvania		48,641		49,273
Minnesota		32,659		33,227
New Jersey		31,654		32,128
Other (34 states)		241,017		246,738
Total general obligation bonds	$	535,008	$	546,586
Revenue bonds:
California	$	47,758	$	49,962
Pennsylvania		29,450		29,885
Kentucky		19,862		20,416
Colorado		18,472		18,811
Iowa		18,173		18,788
Indiana		15,536		15,616
Other (30 states)		150,717		155,191
Total revenue bonds	$	299,968	$	308,669
Total obligations of states and political subdivisions	$	834,976	$	855,255

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-43-

At December 31, 2014, the Company’s investment securities portfolios included securities issued by 763 state and local government municipalities and agencies located within 45 states with a fair value of $911.0 million. The largest exposure to any one municipality or agency was $7.4 million (fair value) represented by three revenue bonds.

	At December 31, 2014
	Amortized Cost		Fair Value
	(In thousands)
Obligations of states and political subdivisions:
General obligation bonds:
California	$	107,997	$	110,563
Texas		65,292		66,162
Pennsylvania		48,675		49,546
Minnesota		33,524		33,840
New Jersey		30,223		30,598
Arizona		28,492		29,378
Other (34 states)		249,513		254,043
Total general obligation bonds	$	563,716	$	574,130
Revenue bonds:
California	$	60,473	$	62,788
Pennsylvania		29,462		30,101
Kentucky		19,975		20,370
Iowa		18,225		18,898
Colorado		18,532		18,862
Indiana		16,865		16,859
Other (31 states)		164,848		168,972
Total revenue bonds	$	328,380	$	336,850
Total obligations of states and political subdivisions	$	892,096	$	910,980

At September 30, 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 23 revenue sources. The revenue sources that represent 5% or more individually of the total revenue bonds are summarized in the following table.

	At September 30, 2015
	Amortized Cost		Fair Value
	(In thousands)
Revenue bonds by revenue source
Water	$	63,993	$	66,647
Sewer		45,952		47,253
Sales tax		33,606		34,750
Lease (renewal)		21,702		22,158
Lease (abatement)		18,407		18,677
College & University		17,540		18,315
Other		98,768		100,869
Total revenue bonds by revenue source	$	299,968	$	308,669

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-44-

At December 31, 2014, 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 25 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, 2014
	Amortized Cost		Fair Value
	(In thousands)
Revenue bonds by revenue source
Water	$	66,305	$	68,885
Sewer		48,461		49,773
Sales tax		35,045		36,289
Lease (renewal)		21,789		22,091
Lease (abatement)		19,002		19,710
College & University		17,655		17,849
Other		120,123		122,253
Total revenue bonds by revenue source	$	328,380	$	336,850

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.

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.

-45-

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.

Nonperforming Assets

	At September 30,				At December 31,
	2015		2014		2014
	(In thousands)
Originated:
Nonperforming nonaccrual loans	$	7,578	$	4,696	$	5,296
Performing nonaccrual loans		-		13		13
Total nonaccrual loans		7,578		4,709		5,309
Accruing loans 90 or more days past due		481		342		502
Total nonperforming loans		8,059		5,051		5,811
Other real estate owned		5,834		5,123		4,809
Total nonperforming assets	$	13,893	$	10,174	$	10,620
Purchased covered:
Nonperforming nonaccrual loans	$	-	$	295	$	297
Performing nonaccrual loans		-		-		-
Total nonaccrual loans		-		295		297
Accruing loans 90 or more days past due		-		-		-
Total nonperforming loans		-		295		297
Other real estate owned		486		585		-
Total nonperforming assets	$	486	$	880	$	297
Purchased non-covered:
Nonperforming nonaccrual loans	$	8,784	$	12,745	$	11,901
Performing nonaccrual loans		84		552		97
Total nonaccrual loans		8,868		13,297		11,998
Accruing loans 90 or more days past due		-		76		-
Total nonperforming loans		8,868		13,373		11,998
Other real estate owned		2,949		1,565		1,565
Total nonperforming assets	$	11,817	$	14,938	$	13,563
Total nonperforming assets	$	26,196	$	25,992	$	24,480

At September 30, 2015, two loans secured by commercial real estate totaling $10,990 thousand were on nonaccrual status. The remaining twenty nonaccrual loans held at September 30, 2015 had an average carrying value of $273 thousand and the largest carrying value was $1,323 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.

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

	For the Three Months						For the Nine Months
	Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Analysis of the Allowance for Loan Losses
Balance, beginning of period	$	30,828		$	32,398		$	31,485		$	31,693
Provision for loan losses		-			600			-			2,600
Loans charged off
Commercial		(239	)		(905	)		(700	)		(1,114	)
Commercial real estate		(449	)					(449	)
Real estate residential		-			-			-			(30	)
Consumer installment and other		(773	)		(916	)		(2,344	)		(3,217	)
Purchased non-covered loans		-			-			(431	)		(260	)
Total chargeoffs		(1,461	)		(1,821	)		(3,924	)		(4,621	)
Recoveries of loans previously charged off
Commercial		300			229			814			516
Commercial real estate		27			15			57			193
Real estate construction		-			-			-			3
Consumer installment and other		336			297			1,369			1,315
Purchased non-covered loans		6			51			235			70
Total recoveries		669			592			2,475			2,097
Net loan losses		(792	)		(1,229	)		(1,449	)		(2,524	)
Balance, end of period	$	30,036		$	31,769		$	30,036		$	31,769
Components:
Net loan (losses) recoveries:
Originated loans	$	(798	)	$	(1,280	)	$	(1,253	)	$	(2,334	)
Purchased covered loans		-			-			-			-
Purchased non-covered loans		6			51			(196	)		(190	)
Net loan losses as a percentage of average total loans (annualized)		0.20	%		0.28	%		0.12	%		0.19	%

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. During 2014, the Company refined its processes used to measure look-back periods and loss emergence periods. 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.

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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 September 30, 2015 are economic and business conditions $1.0 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 $1.4 million, adequacy of lending Management and staff $1.9 million, concentrations of credit $2.2 million, and other factors.

	Allowance for Loan Losses For the Three Months Ended September 30, 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	$	7,107		$	4,896		$	403		$	2,058		$	7,248		$	1,244		$	-	$	7,872		$	30,828
Additions:
Provision		1,246			(96	)		(205	)		(50	)		367			(15	)		65		(1,312	)		-
Deductions:
Chargeoffs		(239	)		(449	)		-			-			(773	)		-			-		-			(1,461	)
Recoveries		300			27			-			-			336			6			-		-			669
Net loan recoveries (losses)		61			(422	)		-			-			(437	)		6			-		-			(792	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Loan Losses For the Nine Months Ended September 30, 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		2,840			525			(446	)		(233	)		436			(689	)		65		(2,498	)		-
Deductions:
Chargeoffs		(700	)		(449	)		-			-			(2,344	)		(431	)		-		-			(3,924	)
Recoveries		814			57			-			-			1,369			235			-		-			2,475
Net loan recoveries (losses)		114			(392	)		-			-			(975	)		(196	)		-		-			(1,449	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment At September 30, 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	$	4,477	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	5,062
Collectively evaluated for impairment		3,937		3,793		198		2,008		7,178		1,235		65		6,560		24,974
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	8,414	$	4,378	$	198	$	2,008	$	7,178	$	1,235	$	65	$	6,560	$	30,036
Carrying value of loans:
Individually evaluated for impairment	$	12,327	$	5,864	$	-	$	-	$	-	$	10,008	$	-	$	-	$	28,199
Collectively evaluated for impairment		342,526		531,761		3,461		126,472		354,494		165,833		14,428		-		1,538,975
Purchased loans with evidence of credit deterioration		-		-		-		-		-		4,457		212		-		4,669
Total	$	354,853	$	537,625	$	3,461	$	126,472	$	354,494	$	180,298	$	14,640	$	-	$	1,571,843

Management considers the $30.0 million allowance for loan losses to be adequate as a reserve against loan losses inherent in the loan portfolio as of September 30, 2015.

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.

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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.

The Federal Open Market Committee’s September 17, 2015 press release stated “To support continued progress toward maximum employment and price stability, the Committee today reaffirmed its view that the current 0 to 1/4 percent target range for the federal funds rate remains appropriate. In determining how long to maintain this target range, the Committee will assess progress--both realized and expected--toward its objectives of maximum employment and 2 percent inflation. This assessment will take into account a wide range of information, including measures of labor market conditions, indicators of inflation pressures and inflation expectations, and readings on financial and international developments. The Committee anticipates that it will be appropriate to raise the target range for the federal funds rate when it has seen further improvement in the labor market and is reasonably confident that inflation will move back to its 2 percent objective over the medium term.… When the Committee decides to begin to remove policy accommodation, it will take a balanced approach consistent with its longer-run goals of maximum employment and inflation of 2 percent. The Committee currently anticipates that, even after employment and inflation are near mandate-consistent levels, economic conditions may, for some time, warrant keeping the target federal funds rate below levels the Committee views as normal in the longer run.” In this context, Management’s most likely earnings forecast for the twelve months ending September 30, 2016 assumes market interest rates will either remain relatively stable 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 September 30, 2015, 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 ultimately, rising interest rates. 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.

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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.

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 97  percent of funding for average total assets in the first nine months of 2015 and 2014. 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 September 30, 2015. Under certain deposit, borrowing and other arrangements, the Company must hold and pledge investment securities as collateral. At September 30, 2015, such collateral requirements totaled approximately $716 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 2015. 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, and a variety of other conditions, deposit growth may be used to fund loans, reduce borrowings 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.

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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.

In the first nine months of 2015, 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 $29 million and retire common stock in the amount of $15 million. In the first nine months of 2014, 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 $30 million and retire common stock in the amount of $45 million. 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.

Capital Resources

The Company has historically generated high levels of earnings, which provides a means of accumulating capital. The Company's net income as an annualized percentage of average shareholders' equity (“return on equity” or “ROE”) has been 11.4% in the first nine months of 2015, 11.6% in 2014 and 12.5% in 2013. The Company also raises capital as employees exercise stock options. Capital raised through the exercise of stock options was $5 million in the first nine months of 2015 compared with $12 million in 2014 and $21 million in 2013.

The Company paid common dividends totaling $29 million in the first nine months of 2015, $40 million in 2014 and $40 million in 2013, which represent dividends per common share of $1.14, $1.52 and $1.49, 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 342 thousand shares valued at $15 million in the first nine months of 2015, 1.0 million shares valued at $53 million in 2014 and 1.2 million shares valued at $57 million in 2013.

The Company's primary capital resource is shareholders' equity, which was $533.9 million at September 30, 2015 compared with $526.6 million at December 31, 2014. The Company's ratio of equity to total assets was 10.68% at September 30, 2015 and 10.46% at December 31, 2014.

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.

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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 will begin on January 1, 2016 and 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.

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 newly proposed “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						Well-capitalized
							Minimum			Minimum			by Regulatory
							Regulatory			Regulatory			Definition
							Requirement			Requirement (1)			Under FDICIA
	At September 30, 2015						Effective			Effective			Effective
	Company			Bank			January 1, 2015			January 1, 2019			January 1, 2015
Common Equity Tier I Capital		12.79	%		11.15	%		4.50	%		7.00	%		6.50	%
Tier I Capital		12.79	%		11.15	%		6.00	%		8.50	%		8.00	%
Total Capital		13.39	%		11.88	%		8.00	%		10.50	%		10.00	%
Leverage Ratio		8.06	%		6.99	%		4.00	%		4.00	%		5.00	%

⁽¹⁾ Includes 2.5% capital conservation buffer.

The Company and the Bank intend to maintain regulatory capital in excess of the highest regulatory standard. 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.

-52-

The following summarizes the ratios of regulatory capital to risk-adjusted assets under the superseded capital framework on the dates indicated:

				Minimum			Well-capitalized
	At December 31,			Regulatory			by Regulatory
	2014			Requirement			Definition
Company:
Tier I Capital		13.30	%		4.00	%		6.00	%
Total Capital		14.54	%		8.00	%		10.00	%
Leverage ratio		7.95	%		4.00	%		5.00	%
Bank:
Tier I Capital		12.04	%		4.00	%		6.00	%
Total Capital		13.49	%		8.00	%		10.00	%
Leverage ratio		7.16	%		4.00	%		5.00	%

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.

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 September 30, 2015.

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 September 30, 2015 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 their 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, 2014 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.

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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 the Company 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 September 30, 2015.

Period	(a) Total Number of Shares Purchased		(b) Average Price Paid per Share		(c) Total 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 per share data)
July 1
through		26	$	50.30		26		1,729
July 31
August 1
through		-		-		-		1,729
August 31
September 1
through		-		-		-		1,729
September 30
Total		26	$	50.30		26		1,729

* Includes -0- thousand, -0- thousand and -0- thousand shares purchased in July, August and September, respectively, by the Company in private transactions with the independent administrator of the Company's Tax Deferred Savings/Retirement Plan (ESOP). The Company includes the shares purchased in such transactions within the total number of shares authorized for purchase pursuant to the currently existing publicly announced program.

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.

Shares were repurchased during the period from July 1 through July 22, 2015 pursuant to a program approved by the Board of Directors on July 24, 2014 authorizing the purchase of up to 2 million shares of the Company’s common stock. Shares were repurchased during the period from July 23, 2015 through September 30, 2015 pursuant to a replacement 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

None.

Item 6. Exhibits

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

-54-

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: November 2, 2015

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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 September 30, 2015, is formatted in XBRL interactive data files: (i) Consolidated Statements of Income for the three and nine months ended September 30, 2015 and 2014; (ii) Consolidated Balance Sheets at September 30, 2015, and December 31, 2014; (iii) Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2015 and 2014, (iv) Consolidated Statements of Changes in Shareholders’ Equity for the nine months ended September 30, 2015 and 2014; (v) Consolidated Statements of Cash Flows for the nine months ended September 30, 2015 and 2014 and (vi) Notes to the Unaudited Consolidated Financial Statements.

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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: November 2, 2015

-57-

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: November 2, 2015

-58-

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 September 30, 2015 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: November 2, 2015

-59-

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 September 30, 2015 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: November 2, 2015

-60-

XML

Note 4 - Loans and Allowance for Credit Losses (Details) - Credit Risk Profile by Internally Assigned Grade - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Grade:
Loans by grade		$ 1,571,843	$ 1,700,290
Pass [Member]
Grade:
Loans by grade		1,500,228	1,618,143
Substandard [Member]
Grade:
Loans by grade		78,465	91,387
Doubtful [Member]
Grade:
Loans by grade		49	101
Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade		338	499
Purchased Loan Discount [Member]
Grade:
Loans by grade		(7,237)	(9,840)
Originated Loans [Member]
Grade:
Loans by grade		1,376,905	1,470,369
Purchased Non-Covered Loans [Member]
Grade:
Loans by grade		180,298	212,843
Purchased Non-Covered Loans [Member] | Pass [Member]
Grade:
Loans by grade		155,312	182,644
Purchased Non-Covered Loans [Member] | Substandard [Member]
Grade:
Loans by grade		32,049	39,473
Purchased Non-Covered Loans [Member] | Doubtful [Member]
Grade:
Loans by grade		19	77
Purchased Non-Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade		0	21
Purchased Non-Covered Loans [Member] | Purchased Loan Discount [Member]
Grade:
Loans by grade		(7,082)	(9,372)
Purchased Covered Loans [Member]
Grade:
Loans by grade	[1]	14,640	17,078
Purchased Covered Loans [Member] | Pass [Member]
Grade:
Loans by grade	[1]	13,128	15,509
Purchased Covered Loans [Member] | Substandard [Member]
Grade:
Loans by grade	[1]	1,667	2,037
Purchased Covered Loans [Member] | Doubtful [Member]
Grade:
Loans by grade	[1]	0	0
Purchased Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade	[1]	0	0
Purchased Covered Loans [Member] | Purchased Loan Discount [Member]
Grade:
Loans by grade	[1]	(155)	(468)
Commercial Portfolio Segment [Member]
Grade:
Loans by grade		369,196	391,815
Commercial Portfolio Segment [Member] | Originated Loans [Member]
Grade:
Loans by grade		354,853	374,005
Commercial Portfolio Segment [Member] | Originated Loans [Member] | Pass [Member]
Grade:
Loans by grade		338,778	366,487
Commercial Portfolio Segment [Member] | Originated Loans [Member] | Substandard [Member]
Grade:
Loans by grade		16,075	7,506
Commercial Portfolio Segment [Member] | Originated Loans [Member] | Doubtful [Member]
Grade:
Loans by grade		0	12
Commercial Portfolio Segment [Member] | Originated Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade		0	0
Commercial Real Estate Portfolio Segment [Member]
Grade:
Loans by grade		669,571	718,604
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member]
Grade:
Loans by grade		537,625	567,594
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member] | Pass [Member]
Grade:
Loans by grade		512,570	527,980
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member] | Substandard [Member]
Grade:
Loans by grade		25,055	39,614
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member] | Doubtful [Member]
Grade:
Loans by grade		0	0
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade		0	0
Construction Portfolio Segment [Member]
Grade:
Loans by grade		4,445	13,872
Construction Portfolio Segment [Member] | Originated Loans [Member]
Grade:
Loans by grade		3,461	11,003
Construction Portfolio Segment [Member] | Originated Loans [Member] | Pass [Member]
Grade:
Loans by grade		3,461	11,003
Construction Portfolio Segment [Member] | Originated Loans [Member] | Substandard [Member]
Grade:
Loans by grade		0	0
Construction Portfolio Segment [Member] | Originated Loans [Member] | Doubtful [Member]
Grade:
Loans by grade		0	0
Construction Portfolio Segment [Member] | Originated Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade		0	0
Residential Portfolio Segment [Member]
Grade:
Loans by grade		128,876	149,827
Residential Portfolio Segment [Member] | Originated Loans [Member]
Grade:
Loans by grade		126,472	146,925
Residential Portfolio Segment [Member] | Originated Loans [Member] | Pass [Member]
Grade:
Loans by grade		123,753	144,902
Residential Portfolio Segment [Member] | Originated Loans [Member] | Substandard [Member]
Grade:
Loans by grade		2,719	2,023
Residential Portfolio Segment [Member] | Originated Loans [Member] | Doubtful [Member]
Grade:
Loans by grade		0	0
Residential Portfolio Segment [Member] | Originated Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade		0	0
Consumer Portfolio Segment [Member]
Grade:
Loans by grade		399,755	426,172
Consumer Portfolio Segment [Member] | Originated Loans [Member]
Grade:
Loans by grade		354,494	370,842
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Pass [Member]
Grade:
Loans by grade		353,226	369,618
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Substandard [Member]
Grade:
Loans by grade		900	734
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Doubtful [Member]
Grade:
Loans by grade		30	12
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Grade:
Loans by grade		$ 338	$ 478

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

XML

Note 8 - Deposits and Borrowed Funds (Details) - Deposits Detail - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Deposits Detail [Abstract]
Noninterest-bearing	$ 1,942,450	$ 1,910,781
Interest-bearing:
Transaction	812,940	792,448
Savings	1,310,985	1,260,819
Time deposits less than $100 thousand	156,503	169,959
Time deposits $100 thousand through $250 thousand	101,317	113,023
Time deposits more than $250 thousand	42,725	102,161
Total deposits	$ 4,366,920	$ 4,349,191

XML

Note 6 - Other Assets (Details) - Amounts Recognized in Net Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Amounts Recognized in Net Income [Abstract]
Investment loss included in pre-tax income	$ 750	$ 750	$ 2,175	$ 2,200
Tax credits recognized in provision for income taxes	$ 663	$ 610	$ 1,988	$ 2,200

XML

Note 8 - Deposits and Borrowed Funds (Details) - Short Term Borrowed Funds - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 8 - Deposits and Borrowed Funds (Details) - Short Term Borrowed Funds [Line Items]
Collateral Carrying Value	$ 169,348	$ 148,014
Total short-term borrowed funds	57,063	89,784
US Government-sponsored Enterprises Debt Securities [Member]
Note 8 - Deposits and Borrowed Funds (Details) - Short Term Borrowed Funds [Line Items]
Collateral Carrying Value	110,541	80,827
US States and Political Subdivisions Debt Securities [Member]
Note 8 - Deposits and Borrowed Funds (Details) - Short Term Borrowed Funds [Line Items]
Collateral Carrying Value	3,975	14,251
Corporate Debt Securities [Member]
Note 8 - Deposits and Borrowed Funds (Details) - Short Term Borrowed Funds [Line Items]
Collateral Carrying Value	$ 54,832	$ 52,936

XML

Note 6 - Other Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Note 6 - Other Assets (Details) [Line Items]
FRB Membership, Stock Subscription, Percent of Paid-Up Capital Stock and Surplus Requirement	6.00%
FHLB Borrowings, Minimum Activity-Based Requirement Percentage of Outstanding Advances	4.70%
LIHTC Investments	$ 15,934	$ 18,673
Qualified Affordable Housing Project Investments, Commitment	2,299
Contingent Commitment, Year 1 [Member]
Note 6 - Other Assets (Details) [Line Items]
Qualified Affordable Housing Project Investments, Commitment	453
Contingent Commitment, Year 2 [Member]
Note 6 - Other Assets (Details) [Line Items]
Qualified Affordable Housing Project Investments, Commitment	763
Contingent Commitment, Year 3 [Member]
Note 6 - Other Assets (Details) [Line Items]
Qualified Affordable Housing Project Investments, Commitment	$ 1,083

XML

Note 4 - Loans and Allowance for Credit Losses (Details)	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Loans and Leases Receivable, Nonaccrual, Commitment to Lend		$ 0		$ 0		$ 0
Financing Receivable, Modifications, Recorded Investment		$ 12,880,000	$ 5,907,000	$ 12,880,000	$ 5,907,000
Troubled Debt Restructurings During Period		1	3	7	5
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		0	0	0	0
Payments for Federal Home Loan Bank Advances	$ 20,015,000
Long-term Federal Home Loan Bank Advances						20,015,000
Restricted Pledged Loans						18,366,000
Loans Receivable Held-for-sale, Amount		$ 0		$ 0		0
Other Real Estate, Foreclosed Assets, and Repossessed Assets		9,269,000	$ 7,273,000	9,269,000	$ 7,273,000	6,374,000
Mortgage Loans in Process of Foreclosure, Amount		0	595,000	0	595,000
Restructured Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment		12,880,000		12,880,000		4,837,000
Impaired Loans, Restructured, Nonaccrual Status		6,772,000		6,772,000		$ 0
One Loan [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment		6,330,000		6,330,000
Seven Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment		8,150,000		8,150,000
Three Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment			617,000		617,000
Five Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment			726,000		726,000
Residential Real Estate Included in OREO [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Real Estate Acquired Through Foreclosure		$ 0	$ 585,000	$ 0	$ 585,000

XML

Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		$ 1,571,710	$ 1,600,781
US Treasury Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		3,001	3,505
US Government-sponsored Enterprises Debt Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		342,409	635,188
Residential Mortgage Backed Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		20,590	26,407
Commercial Mortgage Backed Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		2,552	2,919
US States and Political Subdivisions Debt Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		161,155	181,799
Residential Collateralized Mortgage Obligations [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		194,552	222,457
Asset-backed Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		2,330	8,313
FHLMC And FNMA Stock [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale	[1],[2]	6,500	5,168
Domestic Corporate Debt Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		835,839	512,239
Other Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		2,782	2,786
Fair Value, Inputs, Level 1 [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		3,935	644,771
Fair Value, Inputs, Level 1 [Member] | US Treasury Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		3,001	3,505
Fair Value, Inputs, Level 1 [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale			635,188
Fair Value, Inputs, Level 1 [Member] | FHLMC And FNMA Stock [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		10	5,168
Fair Value, Inputs, Level 1 [Member] | Other Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		924	910
Fair Value, Inputs, Level 2 [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		1,567,775	956,010
Fair Value, Inputs, Level 2 [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		342,409
Fair Value, Inputs, Level 2 [Member] | Residential Mortgage Backed Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		20,590	26,407
Fair Value, Inputs, Level 2 [Member] | Commercial Mortgage Backed Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		2,552	2,919
Fair Value, Inputs, Level 2 [Member] | US States and Political Subdivisions Debt Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		161,155	181,799
Fair Value, Inputs, Level 2 [Member] | Residential Collateralized Mortgage Obligations [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		194,552	222,457
Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		2,330	8,313
Fair Value, Inputs, Level 2 [Member] | FHLMC And FNMA Stock [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		6,490
Fair Value, Inputs, Level 2 [Member] | Domestic Corporate Debt Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		835,839	512,239
Fair Value, Inputs, Level 2 [Member] | Other Securities [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis [Line Items]
Investment securities available for sale		$ 1,858	$ 1,876

[1] Federal Home Loan Mortgage Corporation

[2] Federal National Mortgage Association

XML

Note 9 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

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

	At September 30, 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)
U.S. Treasury securities	$	3,001	$	3,001	$	-	$	-
Securities of U.S. Government sponsored entities		342,409		-		342,409		-
Residential mortgage-backed securities		20,590		-		20,590		-
Commercial mortgage-backed securities		2,552		-		2,552		-
Obligations of states and political subdivisions		161,155		-		161,155		-
Residential collateralized mortgage obligations		194,552		-		194,552		-
Asset-backed securities		2,330		-		2,330		-
FHLMC and FNMA stock		6,500		10		6,490		-
Corporate securities		835,839		-		835,839		-
Other securities		2,782		924		1,858		-
Total securities available for sale	$	1,571,710	$	3,935	$	1,567,775	$	-

	At December 31, 2014
	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)
U.S. Treasury securities	$	3,505	$	3,505	$	-	$	-
Securities of U.S. Government sponsored entities		635,188		635,188		-		-
Residential mortgage-backed securities		26,407		-		26,407		-
Commercial mortgage-backed securities		2,919		-		2,919		-
Obligations of states and political subdivisions		181,799		-		181,799		-
Residential collateralized mortgage obligations		222,457		-		222,457		-
Asset-backed securities		8,313		-		8,313		-
FHLMC and FNMA stock		5,168		5,168		-		-
Corporate securities		512,239		-		512,239		-
Other securities		2,786		910		1,876		-
Total securities available for sale	$	1,600,781	$	644,771	$	956,010	$	-

Fair Value Measurements, Nonrecurring [Table Text Block]

	At September 30, 2015								For the Nine Months Ended September 30, 2015
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	9,269	$	-	$	-	$	9,269	$	(315	)
Impaired loans		15,738		-		-		15,738		(449	)
Total assets measured at fair value on a nonrecurring basis	$	25,007	$	-	$	-	$	25,007	$	(764	)

	At December 31, 2014								For the Year Ended December 31, 2014
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	6,374	$	-	$	6,374	$	-	$	(358	)
Impaired loans		17,085		-		7,670		9,415		(884	)
Total assets measured at fair value on a nonrecurring basis	$	23,459	$	-	$	14,044	$	9,415	$	(1,242	)

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

	At September 30, 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	$	268,587	$	268,587	$	268,587	$	-	$	-
Investment securities held to maturity		1,278,814		1,293,958		-		1,293,958		-
Loans		1,541,807		1,554,908		-		-		1,554,908
Financial Liabilities:
Deposits	$	4,366,920	$	4,365,831	$	-	$	4,066,375	$	299,456
Short-term borrowed funds		57,063		57,063		-		57,063		-

	At December 31, 2014
	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	$	380,836	$	380,836	$	380,836	$	-	$	-
Investment securities held to maturity		1,038,658		1,048,562		1,077		1,047,485		-
Loans		1,668,805		1,685,048		-		-		1,685,048
Financial Liabilities:
Deposits	$	4,349,191	$	4,348,958	$	-	$	3,964,048	$	384,910
Short-term borrowed funds		89,784		89,784		-		89,784		-
Federal Home Loan Bank advances		20,015		20,014		20,014		-		-

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Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Carrying Values of Goodwill - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Carrying Values of Goodwill [Abstract]
Goodwill	$ 121,673	$ 121,673

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Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Commercial Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	$ 3,073	$ 2,031
Impaired loans with no related allowance recorded, Unpaid Principal Balance	3,136	2,095
Impaired loans with an allowance recorded:
Impaired loans with an allowance recorded, Recorded Investment	9,810	9,910
Impaired loans with an allowance recorded, Unpaid Principal Balance	9,810	9,910
Impaired loans with an allowance recorded, Related Allowance	4,477	496
Total:
Total Impaired loans, Recorded Investment	12,883	11,941
Total Impaired loans, Unpaid Principal Balance	12,946	12,005
Total Impaired loans, Related Allowance	4,477	496
Commercial Real Estate Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	16,916	19,478
Impaired loans with no related allowance recorded, Unpaid Principal Balance	21,949	25,519
Impaired loans with an allowance recorded:
Impaired loans with an allowance recorded, Recorded Investment	4,660
Impaired loans with an allowance recorded, Unpaid Principal Balance	5,109
Impaired loans with an allowance recorded, Related Allowance	585
Total:
Total Impaired loans, Recorded Investment	21,576	19,478
Total Impaired loans, Unpaid Principal Balance	27,058	25,519
Total Impaired loans, Related Allowance	585
Construction Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment		1,834
Impaired loans with no related allowance recorded, Unpaid Principal Balance		1,884
Total:
Total Impaired loans, Recorded Investment		1,834
Total Impaired loans, Unpaid Principal Balance		1,884
Residential Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	566	574
Impaired loans with no related allowance recorded, Unpaid Principal Balance	597	574
Total:
Total Impaired loans, Recorded Investment	566	574
Total Impaired loans, Unpaid Principal Balance	597	574
Consumer Portfolio Segment [Member]
Impaired loans with no related allowance recorded:
Impaired loans with no related allowance recorded, Recorded Investment	428	1,518
Impaired loans with no related allowance recorded, Unpaid Principal Balance	534	1,628
Total:
Total Impaired loans, Recorded Investment	428	1,518
Total Impaired loans, Unpaid Principal Balance	$ 534	$ 1,628

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Note 4 - Loans and Allowance for Credit Losses (Details) - Allowance for Credit Losses - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Allowance for loan losses:
Balance at beginning of period	$ 30,828	$ 32,398	$ 31,485	$ 31,693
Additions:
Provision	0	600	0	2,600
Deductions:
Chargeoffs	(1,461)	(1,821)	(3,924)	(4,621)
Recoveries	669	592	2,475	2,097
Net loan recoveries (losses)	(792)	(1,229)	(1,449)	(2,524)
Indemnification expiration				0
Balance at end of period	30,828	32,398	31,485	31,693	$ 30,036	$ 31,769
Liability for off-balance sheet credit exposure						2,693
Total allowance for loan losses	30,036	34,462	30,036	34,462
Originated Loans [Member] | Commercial Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	7,107	5,297	5,460	4,005
Additions:
Provision	1,246	(269)	2,840	945
Deductions:
Chargeoffs	(239)	(905)	(700)	(1,114)
Recoveries	300	229	814	516
Net loan recoveries (losses)	61	(676)	114	(598)
Indemnification expiration				0
Balance at end of period	7,107	5,297	5,460	4,005		4,352
Liability for off-balance sheet credit exposure						1,706
Total allowance for loan losses	8,414	6,058	8,414	6,058
Originated Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	4,896	10,664	4,245	12,070
Additions:
Provision	(96)	(640)	525	(2,224)
Deductions:
Chargeoffs	(449)	0	(449)	0
Recoveries	27	15	57	193
Net loan recoveries (losses)	(422)	15	(392)	193
Indemnification expiration				0
Balance at end of period	4,896	10,664	4,245	12,070		10,039
Liability for off-balance sheet credit exposure						24
Total allowance for loan losses	4,378	10,063	4,378	10,063
Originated Loans [Member] | Construction Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	403	442	644	602
Additions:
Provision	(205)	0	(446)	(163)
Deductions:
Chargeoffs	0	0	0	0
Recoveries	0	0	0	3
Net loan recoveries (losses)	0	0	0	3
Indemnification expiration				0
Balance at end of period	403	442	644	602		442
Liability for off-balance sheet credit exposure						105
Total allowance for loan losses	198	547	198	547
Originated Loans [Member] | Residential Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	2,058	409	2,241	405
Additions:
Provision	(50)	(17)	(233)	17
Deductions:
Chargeoffs	0	0	0	(30)
Recoveries	0	0	0	0
Net loan recoveries (losses)	0	0	0	(30)
Indemnification expiration				0
Balance at end of period	2,058	409	2,241	405		392
Liability for off-balance sheet credit exposure						0
Total allowance for loan losses	2,008	392	2,008	392
Originated Loans [Member] | Consumer Portfolio Segment [Member]
Allowance for loan losses:
Balance at beginning of period	7,248	2,055	7,717	3,198
Additions:
Provision	367	802	436	942
Deductions:
Chargeoffs	(773)	(916)	(2,344)	(3,217)
Recoveries	336	297	1,369	1,315
Net loan recoveries (losses)	(437)	(619)	(975)	(1,902)
Indemnification expiration				0
Balance at end of period	7,248	2,055	7,717	3,198		2,238
Liability for off-balance sheet credit exposure						451
Total allowance for loan losses	7,178	2,689	7,178	2,689
Purchased Non-Covered Loans [Member]
Allowance for loan losses:
Balance at beginning of period	1,244	2,707	2,120	0
Additions:
Provision	(15)	(184)	(689)	1,203
Deductions:
Chargeoffs	0	0	(431)	(260)
Recoveries	6	51	235	70
Net loan recoveries (losses)	6	51	(196)	(190)
Indemnification expiration				1,561
Balance at end of period	1,244	2,707	2,120	0		2,574
Liability for off-balance sheet credit exposure						131
Total allowance for loan losses	1,235	2,705	1,235	2,705
Purchased Covered Loans [Member]
Allowance for loan losses:
Balance at beginning of period	0	0	0	1,561
Additions:
Provision	65	0	65	0
Deductions:
Chargeoffs	0	0	0	0
Recoveries	0	0	0	0
Net loan recoveries (losses)	0	0	0	0
Indemnification expiration				(1,561)
Balance at end of period	0	0	0	1,561		0
Liability for off-balance sheet credit exposure						0
Total allowance for loan losses	65	0	65	0
Unallocated Financing Receivable [Member]
Allowance for loan losses:
Balance at beginning of period	7,872	10,824	9,058	9,852
Additions:
Provision	(1,312)	908	(2,498)	1,880
Deductions:
Chargeoffs	0	0	0	0
Recoveries	0	0	0	0
Net loan recoveries (losses)	0	0	0	0
Indemnification expiration				0
Balance at end of period	7,872	10,824	9,058	9,852		11,732
Liability for off-balance sheet credit exposure						$ 276
Total allowance for loan losses	$ 6,560	$ 12,008	$ 6,560	$ 12,008

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Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Estimated Future Amortization Expense for Identifiable Intangible Assets - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Estimated Future Amortization Expense for Identifiable Intangible Assets [Line Items]
Nine months ended September 30, 2015 (actual)	$ 952	$ 1,056	$ 2,908	$ 3,219
Estimate for year ended December 31, 2015	3,856		3,856
2016	3,504		3,504
2017	3,077		3,077
2018	1,921		1,921
2019	538		538
2020	287		287
Core Deposits [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Estimated Future Amortization Expense for Identifiable Intangible Assets [Line Items]
Nine months ended September 30, 2015 (actual)			2,709
Estimate for year ended December 31, 2015	3,594		3,594
2016	3,292		3,292
2017	2,913		2,913
2018	1,892		1,892
2019	538		538
2020	287		287
Mechant Draft Processing [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Estimated Future Amortization Expense for Identifiable Intangible Assets [Line Items]
Nine months ended September 30, 2015 (actual)			199
Estimate for year ended December 31, 2015	262		262
2016	212		212
2017	164		164
2018	$ 29		$ 29

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Note 11 - Earnings Per Common Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Employee Stock Option [Member]
Note 11 - Earnings Per Common Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,043	1,322	1,396	1,060

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Note 6 - Other Assets (Details) - Other Assets - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Cost method equity investments:
Federal Reserve Bank stock (1)	[1]	$ 14,069	$ 14,069
Federal Home Loan Bank stock (2)	[2]		940
Other investments		$ 201	241
Total cost method equity investments		14,270	15,250
Life insurance cash surrender value		48,335	46,479
Net deferred tax asset		47,046	50,903
Limited partnership investments		15,934	18,673
Interest receivable		18,637	19,394
Prepaid assets		4,309	5,609
Other assets		10,381	10,150
Total other assets		$ 158,912	$ 166,458

[1] A bank applying for membership in the Federal Reserve System is required to subscribe to stock in the Federal Reserve Bank of San Francisco (FRB) 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.

[2] Borrowings from the FHLB must be supported by capital stock holdings. The minimum activity-based requirement is 4.7% of the outstanding advances. The requirement may be adjusted from time to time by the FHLB within limits established in the FHLB's Capital Plan.

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Note 2 - Accounting Policies

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

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, 2014. 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” section in Item 2 of this document. 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 Adopted Accounting Standards

FASB ASU 2014-01, Investments- Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects, was issued January 2014 to permit reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using the proportional amortization method if certain conditions are met. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense (benefit). For those investments in qualified affordable housing projects not accounted for using the proportional amortization method, the investment should be accounted for as an equity method investment or a cost method investment in accordance with GAAP. The policy election must be applied consistently to all qualified affordable housing project investments.

The ASU also requires a reporting entity to disclose information regarding its investments in qualified affordable housing projects, and the effect of the measurement of its investments in qualified affordable housing projects and the related tax credits on its financial position and results of operations.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at January 1, 2015, the date adopted.

FASB ASU 2014-04, Receivables - Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure, was issued on January 17, 2014, providing clarification that an in substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at January 1, 2015, the date adopted.

FASB ASU 2014-11, Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures, was issued on June 12, 2014. The ASU improves the financial reporting of repurchase agreements and other similar transactions through a change in accounting for repurchase-to-maturity transactions and repurchase financings, and the introduction of two new disclosure requirements. New disclosures are required for (1) transfers accounted for as sales in transactions that are economically similar to repurchase agreements, in which the transferor retains substantially all of the exposure to the economic return on the transferred financial asset throughout the term of the transaction and (2) repurchase agreements, securities lending transactions, and repurchase-to-maturity transactions accounted for as secured borrowings about the nature of collateral pledged and the time to maturity of those transactions.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at April 1, 2015, the date adopted.

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Note 11 - Earnings Per Common Share (Details) - Earnings Per Common Share and Diluted Earnings Per Common Share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Common Share and Diluted Earnings Per Common Share [Abstract]
Net income applicable to common equity (numerator) (in Dollars)	$ 14,857	$ 15,154	$ 44,175	$ 45,618
Basic earnings per common share
Weighted average number of common shares outstanding - basic	25,530	25,973	25,565	26,192
Add common stock equivalents for options	35	43	20	70
Weighted average number of common shares outstanding - diluted (denominator)	25,565	26,016	25,585	26,262
Diluted earnings per common share (in Dollars per share)	$ 0.58	$ 0.58	$ 1.73	$ 1.74
Basic earnings per common share (in Dollars per share)	$ 0.58	$ 0.58	$ 1.73	$ 1.74

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Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans, Supplemental Schedule - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans, Supplemental Schedule [Line Items]
Average Recored Investment	$ 35,592	$ 27,813	$ 34,312	$ 27,949
Recognized Interest Income	304	169	1,028	581
Commercial Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans, Supplemental Schedule [Line Items]
Average Recored Investment	12,750	3,885	12,513	4,388
Recognized Interest Income	147	59	440	186
Commercial Real Estate Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans, Supplemental Schedule [Line Items]
Average Recored Investment	21,923	20,787	19,985	19,961
Recognized Interest Income	142	103	546	373
Construction Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans, Supplemental Schedule [Line Items]
Average Recored Investment		1,934	306	2,076
Residential Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans, Supplemental Schedule [Line Items]
Average Recored Investment	403		652	108
Recognized Interest Income	9		23
Consumer Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Impaired Loans, Supplemental Schedule [Line Items]
Average Recored Investment	516	1,207	856	1,416
Recognized Interest Income	$ 6	$ 7	$ 19	$ 22

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Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio [Line Items]
Amortized Cost	$ 1,278,814	$ 1,038,658
Gross Unrecognized Gains	17,151	14,780
Gross Unrecognized Losses	(2,007)	(4,876)
Estimated Fair Value	1,293,958	1,048,562
US Government-sponsored Enterprises Debt Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio [Line Items]
Amortized Cost	830	1,066
Gross Unrecognized Gains	10	11
Estimated Fair Value	840	1,077
Residential Mortgage Backed Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio [Line Items]
Amortized Cost	362,925	59,078
Gross Unrecognized Gains	2,194	1,183
Gross Unrecognized Losses	(28)	(137)
Estimated Fair Value	365,091	60,124
Commercial Mortgage Backed Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio [Line Items]
Amortized Cost	16,379
Gross Unrecognized Gains	57
Gross Unrecognized Losses	(174)
Estimated Fair Value	16,262
US States and Political Subdivisions Debt Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio [Line Items]
Amortized Cost	682,818	720,189
Gross Unrecognized Gains	12,486	11,350
Gross Unrecognized Losses	(1,204)	(2,358)
Estimated Fair Value	694,100	729,181
Residential Collateralized Mortgage Obligations [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Market Value of Held to Maturity Investment Securities Portfolio [Line Items]
Amortized Cost	215,862	258,325
Gross Unrecognized Gains	2,404	2,236
Gross Unrecognized Losses	(601)	(2,381)
Estimated Fair Value	$ 217,665	$ 258,180

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Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		$ 1,559,151	$ 1,591,464
Gross Unrealized Gains		20,531	20,806
Gross Unrealized Losses		(7,972)	(11,489)
Fair Value		1,571,710	1,600,781
US Treasury Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		3,000	3,500
Gross Unrealized Gains		1	5
Fair Value		3,001	3,505
US Government-sponsored Enterprises Debt Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		341,038	635,278
Gross Unrealized Gains		1,381	937
Gross Unrealized Losses		(10)	(1,027)
Fair Value		342,409	635,188
Residential Mortgage Backed Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		19,303	24,647
Gross Unrealized Gains		1,289	1,776
Gross Unrealized Losses		(2)	(16)
Fair Value		20,590	26,407
Commercial Mortgage Backed Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		2,547	2,923
Gross Unrealized Gains		11	6
Gross Unrealized Losses		(6)	(10)
Fair Value		2,552	2,919
US States and Political Subdivisions Debt Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		152,158	171,907
Gross Unrealized Gains		9,094	10,015
Gross Unrealized Losses		(97)	(123)
Fair Value		161,155	181,799
Residential Collateralized Mortgage Obligations [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		199,059	230,347
Gross Unrealized Gains		438	634
Gross Unrealized Losses		(4,945)	(8,524)
Fair Value		194,552	222,457
Asset-backed Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		2,350	8,349
Gross Unrealized Losses		(20)	(36)
Fair Value		2,330	8,313
FHLMC And FNMA Stock [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost	[1],[2]	775	775
Gross Unrealized Gains	[1],[2]	$ 5,725	$ 4,393
Gross Unrealized Losses	[1],[2]
Fair Value	[1],[2]	$ 6,500	$ 5,168
Domestic Corporate Debt Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		836,882	511,699
Gross Unrealized Gains		1,707	2,169
Gross Unrealized Losses		(2,750)	(1,629)
Fair Value		835,839	512,239
Other Securities [Member]
Note 3 - Investment Securities (Details) - Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Value of Available for Sale Investment Securities Portfolio [Line Items]
Amortized Cost		2,039	2,039
Gross Unrealized Gains		885	871
Gross Unrealized Losses		(142)	(124)
Fair Value		$ 2,782	$ 2,786

[1] Federal Home Loan Mortgage Corporation

[2] Federal National Mortgage Association

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Note 9 - Fair Value Measurements (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Note 9 - Fair Value Measurements (Details) [Line Items]
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	30,036	$ 30,828	$ 31,485	$ 31,769	$ 32,398	$ 31,693
Purchased Covered Loans [Member]
Note 9 - Fair Value Measurements (Details) [Line Items]
Loans and Leases Receivable, Allowance		0	0	0	0	1,561
Fair Value Discount, Credit Default Risk, Purchased Loans	155		468
Purchased Non-Covered Loans [Member]
Note 9 - Fair Value Measurements (Details) [Line Items]
Loans and Leases Receivable, Allowance		$ 1,244	2,120	$ 2,574	$ 2,707	$ 0
Fair Value Discount, Credit Default Risk, Purchased Loans	$ 7,082		$ 9,372
Fair Value, Inputs, Level 3 [Member]
Note 9 - Fair Value Measurements (Details) [Line Items]
Fair Value Inputs, Discount Rate	10.00%
Fair Value, Inputs, Level 2 [Member]
Note 9 - Fair Value Measurements (Details) [Line Items]
Fair Value Inputs, Discount Rate	10.00%

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Note 4 - Loans and Allowance for Credit Losses (Details) - Troubled Debt Restructurings $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)
Financing Receivable, Modifications [Line Items]
Number of Contracts	14	10
Pre-Modification Carrying Value	$ 13,360	$ 6,237
Period-End Carrying Value	$ 12,880	5,907
Period-End Individual Impairment Allowance		$ 259
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	6	6
Pre-Modification Carrying Value	$ 2,813	$ 3,465
Period-End Carrying Value	$ 2,517	3,109
Period-End Individual Impairment Allowance		$ 259
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	7	3
Pre-Modification Carrying Value	$ 10,305	$ 2,754
Period-End Carrying Value	$ 10,133	$ 2,787
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Carrying Value	$ 242
Period-End Carrying Value	$ 230
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts		1
Pre-Modification Carrying Value		$ 18
Period-End Carrying Value		$ 11

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Note 3 - Investment Securities (Details) - Amortized Cost and Estimated Market Value of Securities by Contractual Maturity - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Maturity in years:
Securities Available for Sale, Amortized Cost, 1 year or less	$ 111,972	$ 57,891
Securities Available for Sale, Estimated Market Value, 1 year or less	112,333	57,991
Securities Held to Maturity, Amortized Cost, 1 year or less	19,012	15,355
Securities Held to Maturity, Estimated Market Value, 1 year or less	19,647	15,855
Securities Available for Sale, Amortized Cost, Over 1 to 5 years	1,066,830	629,200
Securities Available for Sale, Estimated Market Value, Over 1 to 5 years	1,068,036	630,797
Securities Held to Maturity, Amortized Cost, Over 1 to 5 years	237,908	228,380
Securities Held to Maturity, Estimated Market Value, Over 1 to 5 years	240,961	230,248
Securities Available for Sale, Amortized Cost, Over 5 to 10 years	129,133	584,872
Securities Available for Sale, Estimated Market Value, Over 5 to 10 years	134,756	589,250
Securities Held to Maturity, Amortized Cost, Over 5 to 10 years	285,130	285,219
Securities Held to Maturity, Estimated Market Value, Over 5 to 10 years	290,517	288,631
Securities Available for Sale, Amortized Cost, Over 10 years	27,493	58,770
Securities Available for Sale, Estimated Market Value, Over 10 years	29,609	63,006
Securities Held to Maturity, Amortized Cost, Over 10 years	141,598	192,301
Securities Held to Maturity, Estimated Market Value, Over 10 years	143,815	195,524
Securities Available for Sale, Amortized Cost, Subtotal	1,335,428	1,330,733
Securities Available for Sale, Estimated Market Value, Subtotal	1,344,734	1,341,044
Securities Held to Maturity, Amortized Cost, Subtotal	683,648	721,255
Securities Held to Maturity, Estimated Market Value, Subtotal	694,940	730,258
Securities Available for Sale, Amortized Cost, Mortgage-backed securities and residential collateralized mortgage obligations	220,909	257,917
Securities Available for Sale, Estimated Market Value, Mortgage-backed securities and residential collateralized mortgage obligations	217,694	251,783
Securities Held to Maturity, Amortized Cost, Mortgage-backed securities and residential collateralized mortgage obligations	595,166	317,403
Securities Held to Maturity, Estimated Market Value, Mortgage-backed securities and residential collateralized mortgage obligations	599,018	318,304
Securities Available for Sale, Amortized Cost, Other securities	2,814	2,814
Securities Available for Sale, Estimated Market Value, Other securities	9,282	7,954
Securities Available for Sale, Amortized Cost, Total	1,559,151	1,591,464
Securities Available for Sale, Estimated Market Value, Total	1,571,710	1,600,781
Securities Held to Maturity, Amortized Cost, Total	1,278,814	1,038,658
Securities Held to Maturity, Estimated Market Value, Total	$ 1,293,958	$ 1,048,562

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Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio $ in Thousands	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, less than 12 months, number of investment positions	78	77
Available for sale securities, less than 12 months, fair value	$ 399,572	$ 427,156
Available for sale securities, less than 12 months, unrealized losses	$ (2,703)	$ (2,325)
Available for sale securities, 12 months or longer, number of investment positions	57	60
Available for sale securities, 12 months or longer, fair value	$ 240,493	$ 261,583
Available for sale securities, 12 months or longer, unrealized losses	$ (5,269)	$ (9,164)
Available for sale securities, total, number of investment positions	135	137
Available for sale securities, total, fair value	$ 640,065	$ 688,739
Available for sale securities, total, unrealized losses	$ (7,972)	$ (11,489)
Held to Maturity securities, less than 12 months, number of investment positions	51	112
Held to Maturity securities, less than 12 months, fair value	$ 73,672	$ 109,601
Held to Maturity securities, less than 12 months, unrealized losses	$ (349)	$ (737)
Held to Maturity securities, 12 months or longer, number of investment positions	84	161
Held to Maturity securities, 12 months or longer, fair value	$ 135,292	$ 243,084
Held to Maturity securities, 12 months or longer, unrealized losses	$ (1,658)	$ (4,139)
Held to Maturity securities, total, number of investment positions	135	273
Held to Maturity securities, total, fair value	$ 208,964	$ 352,685
Held to Maturity securities, total, unrealized losses	$ (2,007)	$ (4,876)
US Government-sponsored Enterprises Debt Securities [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, less than 12 months, number of investment positions	1	15
Available for sale securities, less than 12 months, fair value	$ 4,990	$ 253,632
Available for sale securities, less than 12 months, unrealized losses	$ (10)	$ (989)
Available for sale securities, 12 months or longer, number of investment positions		1
Available for sale securities, 12 months or longer, fair value		$ 9,963
Available for sale securities, 12 months or longer, unrealized losses		$ (38)
Available for sale securities, total, number of investment positions	1	16
Available for sale securities, total, fair value	$ 4,990	$ 263,595
Available for sale securities, total, unrealized losses	$ (10)	$ (1,027)
Residential Mortgage Backed Securities [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, 12 months or longer, number of investment positions	1	2
Available for sale securities, 12 months or longer, fair value	$ 790	$ 822
Available for sale securities, 12 months or longer, unrealized losses	$ (2)	$ (16)
Available for sale securities, total, number of investment positions	1	2
Available for sale securities, total, fair value	$ 790	$ 822
Available for sale securities, total, unrealized losses	$ (2)	$ (16)
Held to Maturity securities, less than 12 months, number of investment positions	2	4
Held to Maturity securities, less than 12 months, fair value	$ 21,047	$ 19,467
Held to Maturity securities, less than 12 months, unrealized losses	$ (26)	$ (132)
Held to Maturity securities, 12 months or longer, number of investment positions	1	1
Held to Maturity securities, 12 months or longer, fair value	$ 96	$ 201
Held to Maturity securities, 12 months or longer, unrealized losses	$ (2)	$ (5)
Held to Maturity securities, total, number of investment positions	3	5
Held to Maturity securities, total, fair value	$ 21,143	$ 19,668
Held to Maturity securities, total, unrealized losses	$ (28)	$ (137)
Commercial Mortgage Backed Securities [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, less than 12 months, number of investment positions		1
Available for sale securities, less than 12 months, fair value		$ 942
Available for sale securities, less than 12 months, unrealized losses		$ (7)
Available for sale securities, 12 months or longer, number of investment positions	1	1
Available for sale securities, 12 months or longer, fair value	$ 879	$ 803
Available for sale securities, 12 months or longer, unrealized losses	$ (6)	$ (3)
Available for sale securities, total, number of investment positions	1	2
Available for sale securities, total, fair value	$ 879	$ 1,745
Available for sale securities, total, unrealized losses	$ (6)	$ (10)
Held to Maturity securities, less than 12 months, number of investment positions	1
Held to Maturity securities, less than 12 months, fair value	$ 7,562
Held to Maturity securities, less than 12 months, unrealized losses	$ (74)
Held to Maturity securities, 12 months or longer, number of investment positions	1
Held to Maturity securities, 12 months or longer, fair value	$ 6,597
Held to Maturity securities, 12 months or longer, unrealized losses	$ (100)
Held to Maturity securities, total, number of investment positions	2
Held to Maturity securities, total, fair value	$ 14,159
Held to Maturity securities, total, unrealized losses	$ (174)
US States and Political Subdivisions Debt Securities [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, less than 12 months, number of investment positions	4	7
Available for sale securities, less than 12 months, fair value	$ 2,132	$ 2,548
Available for sale securities, less than 12 months, unrealized losses	$ (31)	$ (18)
Available for sale securities, 12 months or longer, number of investment positions	5	17
Available for sale securities, 12 months or longer, fair value	$ 2,503	$ 5,518
Available for sale securities, 12 months or longer, unrealized losses	$ (66)	$ (105)
Available for sale securities, total, number of investment positions	9	24
Available for sale securities, total, fair value	$ 4,635	$ 8,066
Available for sale securities, total, unrealized losses	$ (97)	$ (123)
Held to Maturity securities, less than 12 months, number of investment positions	45	103
Held to Maturity securities, less than 12 months, fair value	$ 29,242	$ 76,202
Held to Maturity securities, less than 12 months, unrealized losses	$ (189)	$ (439)
Held to Maturity securities, 12 months or longer, number of investment positions	70	138
Held to Maturity securities, 12 months or longer, fair value	$ 63,195	$ 123,370
Held to Maturity securities, 12 months or longer, unrealized losses	$ (1,015)	$ (1,919)
Held to Maturity securities, total, number of investment positions	115	241
Held to Maturity securities, total, fair value	$ 92,437	$ 199,572
Held to Maturity securities, total, unrealized losses	$ (1,204)	$ (2,358)
Residential Collateralized Mortgage Obligations [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, less than 12 months, number of investment positions	2
Available for sale securities, less than 12 months, fair value	$ 13,280
Available for sale securities, less than 12 months, unrealized losses	$ (245)
Available for sale securities, 12 months or longer, number of investment positions	29	32
Available for sale securities, 12 months or longer, fair value	$ 168,927	$ 205,074
Available for sale securities, 12 months or longer, unrealized losses	$ (4,700)	$ (8,524)
Available for sale securities, total, number of investment positions	31	32
Available for sale securities, total, fair value	$ 182,207	$ 205,074
Available for sale securities, total, unrealized losses	$ (4,945)	$ (8,524)
Held to Maturity securities, less than 12 months, number of investment positions	3	5
Held to Maturity securities, less than 12 months, fair value	$ 15,821	$ 13,932
Held to Maturity securities, less than 12 months, unrealized losses	$ (60)	$ (166)
Held to Maturity securities, 12 months or longer, number of investment positions	12	22
Held to Maturity securities, 12 months or longer, fair value	$ 65,404	$ 119,513
Held to Maturity securities, 12 months or longer, unrealized losses	$ (541)	$ (2,215)
Held to Maturity securities, total, number of investment positions	15	27
Held to Maturity securities, total, fair value	$ 81,225	$ 133,445
Held to Maturity securities, total, unrealized losses	$ (601)	$ (2,381)
Asset-backed Securities [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, less than 12 months, number of investment positions		1
Available for sale securities, less than 12 months, fair value		$ 5,008
Available for sale securities, less than 12 months, unrealized losses		$ (7)
Available for sale securities, 12 months or longer, number of investment positions	1	1
Available for sale securities, 12 months or longer, fair value	$ 2,330	$ 3,305
Available for sale securities, 12 months or longer, unrealized losses	$ (20)	$ (29)
Available for sale securities, total, number of investment positions	1	2
Available for sale securities, total, fair value	$ 2,330	$ 8,313
Available for sale securities, total, unrealized losses	$ (20)	$ (36)
Domestic Corporate Debt Securities [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, less than 12 months, number of investment positions	71	53
Available for sale securities, less than 12 months, fair value	$ 379,170	$ 165,026
Available for sale securities, less than 12 months, unrealized losses	$ (2,417)	$ (1,304)
Available for sale securities, 12 months or longer, number of investment positions	19	5
Available for sale securities, 12 months or longer, fair value	$ 63,206	$ 34,222
Available for sale securities, 12 months or longer, unrealized losses	$ (333)	$ (325)
Available for sale securities, total, number of investment positions	90	58
Available for sale securities, total, fair value	$ 442,376	$ 199,248
Available for sale securities, total, unrealized losses	$ (2,750)	$ (1,629)
Other Securities [Member]
Note 3 - Investment Securities (Details) - Gross Unrealized Losses, Investment Securities Portfolio [Line Items]
Available for sale securities, 12 months or longer, number of investment positions	1	1
Available for sale securities, 12 months or longer, fair value	$ 1,858	$ 1,876
Available for sale securities, 12 months or longer, unrealized losses	$ (142)	$ (124)
Available for sale securities, total, number of investment positions	1	1
Available for sale securities, total, fair value	$ 1,858	$ 1,876
Available for sale securities, total, unrealized losses	$ (142)	$ (124)

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Note 1 - Basis of Presentation

9 Months Ended

Sep. 30, 2015

Disclosure Text Block [Abstract]

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 and nine months ended September 30, 2015 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, 2014.

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Note 3 - Investment Securities (Details) - Interest Income from Investment Securities - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest Income from Investment Securities [Abstract]
Taxable	$ 9,120	$ 6,348	$ 25,067	$ 17,907
Tax-exempt	5,801	6,423	17,931	20,143
Total interest income from investment securities	$ 14,921	$ 12,771	$ 42,998	$ 38,050

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Note 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		$ 1,543,484	$ 1,662,592
Nonaccrual		16,446	17,604
Total Loans		1,571,843	1,700,290
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		9,151	17,620
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		2,281	1,972
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		481	502
Originated Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		1,360,195	1,450,053
Nonaccrual		7,578	5,309
Total Loans		1,376,905	1,470,369
Originated Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		7,278	13,027
Originated Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		1,373	1,478
Originated Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		481	502
Purchased Non-Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		168,816	196,150
Nonaccrual		8,868	11,998
Total Loans		180,298	212,843
Purchased Non-Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		1,736	4,204
Purchased Non-Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		878	491
Purchased Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		14,473	16,389
Nonaccrual			297
Total Loans	[1]	14,640	17,078
Purchased Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		137	389
Purchased Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		30	3
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		369,196	391,815
Commercial Portfolio Segment [Member] | Originated Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		354,183	372,235
Nonaccrual		169	30
Total Loans		354,853	374,005
Commercial Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		417	1,704
Commercial Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		84	36
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		669,571	718,604
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		527,957	557,041
Nonaccrual		7,001	4,053
Total Loans		537,625	567,594
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		2,667	6,500
Construction Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		4,445	13,872
Construction Portfolio Segment [Member] | Originated Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		3,461	11,003
Total Loans		3,461	11,003
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		128,876	149,827
Residential Portfolio Segment [Member] | Originated Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		124,305	144,021
Nonaccrual		336	574
Total Loans		126,472	146,925
Residential Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		1,360	1,513
Residential Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		471	817
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		399,755	426,172
Consumer Portfolio Segment [Member] | Originated Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current and Accruing		350,289	365,753
Nonaccrual		72	652
Total Loans		354,494	370,842
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		2,834	3,310
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		818	625
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		$ 481	$ 502

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

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Note 8 - Deposits and Borrowed Funds (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Note 8 - Deposits and Borrowed Funds (Details) [Line Items]
Demand Deposit Overdrafts	$ 2,753,000		$ 2,753,000		$ 3,173,000
Interest Expense, Time Deposits, $100,000 or More	164,000	$ 219,000	543,000	$ 683,000
Long-term Federal Home Loan Bank Advances					20,015,000
Long-term Line of Credit	0		0		0
Residential Real Estate Loans and Securities [Member]
Note 8 - Deposits and Borrowed Funds (Details) [Line Items]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged					$ 26,484,000
Unsecured Line of Credit [Member]
Note 8 - Deposits and Borrowed Funds (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 35,000,000		$ 35,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.00%		2.00%

XML

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets:
Cash and due from banks	$ 268,587	$ 380,836
Investment securities available for sale	1,571,710	1,600,781
Investment securities held to maturity, with fair values of: $1,293,958 at September 30, 2015 and $1,048,562 at December 31, 2014	1,278,814	1,038,658
Loans	1,571,843	1,700,290
Allowance for loan losses	(30,036)	(31,485)
Loans, net of allowance for loan losses	1,541,807	1,668,805
Other real estate owned	9,269	6,374
Premises and equipment, net	39,244	37,852
Identifiable intangibles, net	11,379	14,287
Goodwill	121,673	121,673
Other assets	158,912	166,458
Total Assets	5,001,395	5,035,724
Liabilities:
Noninterest bearing deposits	1,942,450	1,910,781
Interest bearing deposits	2,424,470	2,438,410
Total deposits	4,366,920	4,349,191
Short-term borrowed funds	57,063	89,784
Federal Home Loan Bank advances		20,015
Other liabilities	43,474	50,131
Total Liabilities	4,467,457	4,509,121
Shareholders' Equity:
Common stock (no par value), authorized - 150,000 shares Issued and outstanding: 25,530 at September 30, 2015 and 25,745 at December 31, 2014	378,649	378,132
Deferred compensation	2,578	2,711
Accumulated other comprehensive income	7,198	5,292
Retained earnings	145,513	140,468
Total Shareholders' Equity	533,938	526,603
Total Liabilities and Shareholders' Equity	$ 5,001,395	$ 5,035,724

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Note 5 - Concentration of Credit Risk (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 5 - Concentration of Credit Risk (Details) [Line Items]
Unsecured Loan Limit, Percentage of Shareholders' Equity, California Financial Code	15.00%
Secured and Unsecured Loan Limit Percentage, California Financial Code	25.00%
Concentration Risk, Issuer Relationships	45
Concentration Risk, Aggregate Securities Amount (in Dollars)	$ 5,000
Loan Commitments Related to Real Estate Loans (in Dollars)	$ 60,848	$ 66,086
Commercial Real Estate Loans [Member]
Note 5 - Concentration of Credit Risk (Details) [Line Items]
Loan To Value Ratio Requirement	75.00%
Residential Real Estate Loans [Member]
Note 5 - Concentration of Credit Risk (Details) [Line Items]
Loan To Value Ratio Requirement	80.00%
Aggregate Loans [Member] | Customer Concentration Risk [Member]
Note 5 - Concentration of Credit Risk (Details) [Line Items]
Concentration Risk, Issuer Relationships	38
Concentration Risk, Aggregate Securities Amount (in Dollars)	$ 5,000

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Consolidated Statements of Changes in Shareholders’ Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Accumulated Deferred Compensation [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2013	$ 378,946	$ 2,711	$ 4,313	$ 156,964	$ 542,934
Balance (in Shares) at Dec. 31, 2013	26,510
Net income for the period				45,618	45,618
Other comprehensive income			5,420		5,420
Exercise of stock options	$ 12,396				12,396
Exercise of stock options (in Shares)	256
Tax benefit decrease upon expiration/ exercise of stock options	$ (447)				(447)
Restricted stock activity	$ 1,114				1,114
Restricted stock activity (in Shares)	21
Stock based compensation	$ 1,009				1,009
Stock awarded to employees	$ 88				88
Stock awarded to employees (in Shares)	2
Retirement of common stock including repurchases	$ (12,911)			(31,899)	(44,810)
Retirement of common stock including repurchases (in Shares)	(883)
Dividends				(29,927)	(29,927)
Balance at Sep. 30, 2014	$ 380,195	2,711	9,733	140,756	533,395
Balance (in Shares) at Sep. 30, 2014	25,906
Balance at Dec. 31, 2014	$ 378,132	2,711	5,292	140,468	526,603
Balance (in Shares) at Dec. 31, 2014	25,745
Net income for the period				44,175	44,175
Other comprehensive income			1,906		1,906
Exercise of stock options	$ 4,848				4,848
Exercise of stock options (in Shares)	108
Tax benefit decrease upon expiration/ exercise of stock options	$ (1,215)				(1,215)
Restricted stock activity	$ 874	(133)			741
Restricted stock activity (in Shares)	17
Stock based compensation	$ 987				987
Stock awarded to employees	$ 89				89
Stock awarded to employees (in Shares)	2
Retirement of common stock including repurchases	$ (5,066)			(9,962)	(15,028)
Retirement of common stock including repurchases (in Shares)	(342)
Dividends				(29,168)	(29,168)
Balance at Sep. 30, 2015	$ 378,649	$ 2,578	$ 7,198	$ 145,513	$ 533,938
Balance (in Shares) at Sep. 30, 2015	25,530

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Note 9 - Fair Value Measurements (Details) - Fair Value Estimates for Financial Instruments, Excluding Financial Instruments Recorded at Fair Value on a Recurring Basis - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities held to maturity	$ 1,293,958	$ 1,048,562
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	268,587	380,836
Investment securities held to maturity	1,278,814	1,038,658
Loans	1,541,807	1,668,805
Financial Liabilities:
Deposits	4,366,920	4,349,191
Short-term borrowed funds	57,063	89,784
Federal Home Loan Bank advances		20,015
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	268,587	380,836
Investment securities held to maturity	1,293,958	1,048,562
Loans	1,554,908	1,685,048
Financial Liabilities:
Deposits	4,365,831	4,348,958
Short-term borrowed funds	57,063	89,784
Federal Home Loan Bank advances		20,014
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	268,587	380,836
Investment securities held to maturity		1,077
Financial Liabilities:
Federal Home Loan Bank advances		20,014
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities held to maturity	1,293,958	1,047,485
Financial Liabilities:
Deposits	4,066,375	3,964,048
Short-term borrowed funds	57,063	89,784
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	1,554,908	1,685,048
Financial Liabilities:
Deposits	$ 299,456	$ 384,910

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Note 4 - Loans and Allowance for Credit Losses (Details) - Changes in the Carrying Amount of Impaired Purchased Loans - Receivables Acquired with Deteriorated Credit Quality [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Note 4 - Loans and Allowance for Credit Losses (Details) - Changes in the Carrying Amount of Impaired Purchased Loans [Line Items]
Carrying amount at the beginning of the period	$ 4,672	$ 4,936
Reductions during the period	(3)	(264)
Carrying amount at the end of the period	$ 4,669	$ 4,672

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Note 6 - Other Assets (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure Text Block Supplement [Abstract]

Schedule of Other Assets [Table Text Block]

	At September 30, 2015		At December 31, 2014
	(In thousands)
Cost method equity investments:
Federal Reserve Bank stock (1)	$	14,069	$	14,069
Federal Home Loan Bank stock (2)		-		940
Other investments		201		241
Total cost method equity investments		14,270		15,250
Life insurance cash surrender value		48,335		46,479
Net deferred tax asset		47,046		50,903
Limited partnership investments		15,934		18,673
Interest receivable		18,637		19,394
Prepaid assets		4,309		5,609
Other assets		10,381		10,150
Total other assets	$	158,912	$	166,458

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

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Investment loss included in pre-tax income	$	750	$	750	$	2,175	$	2,200
Tax credits recognized in provision for income taxes		663		610		1,988		2,200

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Note 4 - Loans and Allowance for Credit Losses (Details) - Changes in the Accretable Yield for Purchased Loans - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Changes in the Accretable Yield for Purchased Loans [Abstract]
Balance at the beginning of the period	$ 2,261	$ 2,505
Reclassification from nonaccretable difference	2,327	5,016
Accretion	(3,031)	(5,260)
Change in FDIC indemnification	506	1,110
(Increase) in interest income	(2,525)	(4,150)
Balance at the end of the period	$ 1,557	$ 2,261

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Note 8 - Deposits and Borrowed Funds (Tables)

9 Months Ended

Sep. 30, 2015

Deposits And Borrowed Funds [Abstract]

Deposits [Table Text Block]

	Deposits
	At September 30, 2015		At December 31, 2014
	(In thousands)
Noninterest-bearing	$	1,942,450	$	1,910,781
Interest-bearing:
Transaction		812,940		792,448
Savings		1,310,985		1,260,819
Time deposits less than $100 thousand		156,503		169,959
Time deposits $100 thousand through $250 thousand		101,317		113,023
Time deposits more than $250 thousand		42,725		102,161
Total deposits	$	4,366,920	$	4,349,191

Schedule of Repurchase Agreements [Table Text Block]

	Repurchase Agreements (Sweep) Accounted for as Secured Borrowings
	At September 30, 2015		At December 31, 2014
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Overnight and Continuous
Repurchase agreements:	(In thousands)
Securities of U.S. Government sponsored entities	$	110,541	$	80,827
Obligations of states and political subdivisions		3,975		14,251
Corporate securities		54,832		52,936
Total collateral carrying value	$	169,348	$	148,014
Total short-term borrowed funds	$	57,063	$	89,784

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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Operating Activities:
Net income		$ 44,175	$ 45,618
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		12,379	12,275
Loan loss provision		0	2,600
Net amortization of deferred loan fees		(263)	(179)
Decrease in interest income receivable		757	1,537
Decrease in other assets		107	1,390
Decrease in income taxes payable		(257)	(1,160)
Decrease (increase) in net deferred tax asset		968	(19)
Decrease in interest expense payable		(56)	(102)
Decrease in other liabilities		(2,571)	(3,841)
Stock option compensation expense		987	1,009
Tax benefit decrease upon expiration/exercise of stock options		1,215	447
Gain on sale of other assets			(400)
Net loss on sale of premises and equipment		24	22
Net gain on sale of foreclosed assets		(73)	(1,014)
Writedown of foreclosed assets		315	113
Net Cash Provided by Operating Activities		57,707	58,296
Investing Activities:
Net repayments of loans		$ 124,615	93,115
Proceeds from FDIC1 loss-sharing indemnification	[1]		6,703
Purchases of investment securities available for sale		$ (828,169)	(747,630)
Proceeds from sale/maturity/calls of securities available for sale		858,850	444,906
Purchases of investment securities held to maturity		(366,247)	(26,435)
Proceeds from maturity/calls of securities held to maturity		117,877	115,799
Purchases of premises and equipment		(4,049)	(2,392)
Net change in FRB2/FHLB3 securities	[2],[3]	940	3,248
Proceeds from sale of foreclosed assets		1,774	7,549
Net Cash Used in Investing Activities		(94,409)	(105,137)
Financing Activities:
Net change in deposits		17,737	157,947
Net change in short-term borrowings and FHLB3 advances	[2]	(52,721)	3,992
Exercise of stock options/issuance of shares		4,848	12,396
Tax benefit decrease upon expiration/exercise of stock options		(1,215)	(447)
Retirement of common stock including repurchases		(15,028)	(44,810)
Common stock dividends paid		(29,168)	(29,927)
Net Cash (Used in) Provided by Financing Activities		(75,547)	99,151
Net Change In Cash and Due from Banks		(112,249)	52,310
Cash and Due from Banks at Beginning of Period		380,836	472,028
Cash and Due from Banks at End of Period		268,587	524,338
Supplemental disclosure of non cash activities:
Loan collateral transferred to other real estate owned		4,911	968
Securities purchases pending settlement			24,276
Supplemental disclosure of cash flow activities:
Interest paid for the period		1,941	2,959
Income tax payments for the period		$ 12,596	$ 14,981

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

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

[3] Federal Reserve Bank ("FRB")

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Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Investment securities held to maturity, fair values (in Dollars)	$ 1,293,958	$ 1,048,562
Common stock, par value (in Dollars per share)	$ 0	$ 0
Common stock, authorized	150,000	150,000
Common stock, Issued	25,530	25,745
Common stock, outstanding	25,530	25,745

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Note 10 - Commitments and Contingent Liabilities

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

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 $316,947 thousand and $312,694 thousand at September 30, 2015 and December 31, 2014, 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 $27,117 thousand and $29,002 thousand at September 30, 2015 and December 31, 2014, respectively. The Company also had commitments for commercial and similar letters of credit of $40 thousand at September 30, 2015 and December 31, 2014. At September 30, 2015 and December 31, 2014, the Company had a reserve for unfunded commitments of $2,593 thousand and $2,693 thousand, respectively, 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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Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Oct. 23, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	WESTAMERICA BANCORPORATION
Trading Symbol	wabc
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		25,528,149
Amendment Flag	false
Entity Central Index Key	0000311094
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Well-known Seasoned Issuer	Yes
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3

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Note 11 - Earnings Per Common Share

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

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				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands, except per share data)
Net income applicable to common equity (numerator)	$	14,857	$	15,154	$	44,175	$	45,618
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		25,530		25,973		25,565		26,192
Basic earnings per common share	$	0.58	$	0.58	$	1.73	$	1.74
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		25,530		25,973		25,565		26,192
Add common stock equivalents for options		35		43		20		70
Weighted average number of common shares outstanding - diluted (denominator)		25,565		26,016		25,585		26,262
Diluted earnings per common share	$	0.58	$	0.58	$	1.73	$	1.74

For the three and nine months ended September 30, 2015, options to purchase 1,043 thousand and 1,396 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.

For the three and nine months ended September 30, 2014, options to purchase 1,322 thousand and 1,060 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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Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest and Fee Income:
Loans	$ 19,378	$ 22,129	$ 59,643	$ 67,817
Investment securities available for sale	7,880	6,350	23,347	17,855
Investment securities held to maturity	7,041	6,421	19,651	20,195
Total Interest and Fee Income	34,299	34,900	102,641	105,867
Interest Expense:
Deposits	573	709	1,816	2,216
Short-term borrowed funds	12	23	44	64
Term repurchase agreement	0	11	0	60
Federal Home Loan Bank advances	0	103	1	304
Total Interest Expense	585	846	1,861	2,644
Net Interest Income	33,714	34,054	100,780	103,223
Provision for Loan Losses	0	600	0	2,600
Net Interest Income After Provision For Loan Losses	33,714	33,454	100,780	100,623
Noninterest Income:
Service charges on deposit accounts	5,581	6,207	16,981	18,322
Debit card fees	1,538	1,543	4,528	4,482
Merchant processing services	1,485	1,742	4,971	5,485
Other service fees	693	695	2,041	2,044
Trust fees	682	629	2,061	1,899
ATM processing fees	616	637	1,828	1,891
Financial services commissions	177	194	527	585
Other	1,221	1,407	3,625	4,534
Total Noninterest Income	11,993	13,054	36,562	39,242
Noninterest Expense:
Salaries and related benefits	12,761	13,639	39,795	41,691
Occupancy	3,746	3,811	11,199	11,284
Outsourced data processing services	2,115	2,093	6,334	6,314
Furniture and equipment	1,075	1,059	3,353	3,070
Amortization of identifiable intangibles	952	1,056	2,908	3,219
Professional fees	746	700	1,876	1,707
Courier service	604	663	1,744	1,938
Other real estate owned	83	(287)	451	(908)
Other	4,091	3,882	12,136	12,131
Total Noninterest Expense	26,173	26,616	79,796	80,446
Income Before Income Taxes	19,534	19,892	57,546	59,419
Provision for income taxes	4,677	4,738	13,371	13,801
Net Income	$ 14,857	$ 15,154	$ 44,175	$ 45,618
Average Common Shares Outstanding (in Shares)	25,530	25,973	25,565	26,192
Diluted Average Common Shares Outstanding (in Shares)	25,565	26,016	25,585	26,262
Per Common Share Data:
Basic earnings (in Dollars per share)	$ 0.58	$ 0.58	$ 1.73	$ 1.74
Diluted earnings (in Dollars per share)	0.58	0.58	1.73	1.74
Dividends paid (in Dollars per share)	$ 0.38	$ 0.38	$ 1.14	$ 1.14

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Note 5 - Concentration of Credit Risk

9 Months Ended

Sep. 30, 2015

Risks and Uncertainties [Abstract]

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 September 30, 2015, Westamerica Bank did not have credit extended to any one entity exceeding these limits. At September 30, 2015, 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 $60,848 thousand and $66,086  thousand at September 30, 2015 and December 31, 2014, 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 September 30, 2015, Westamerica Bank held corporate bonds in 45 issuing entities which exceeded $5 million of each issuer.

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Note 4 - Loans and Allowance for Credit Losses

9 Months Ended

Sep. 30, 2015

Loans And Allowance For Credit Losses [Abstract]

Loans And Allowance For Credit Losses [Text Block]

Note 4: Loans and Allowance for Credit Losses

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

	At September 30, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	354,853		$	537,625		$	3,461	$	126,472		$	354,494		$	1,376,905
Purchased covered loans:
Gross purchased covered loans		-			-			-		2,467			12,328			14,795
Purchased loan discount		-			-			-		(133	)		(22	)		(155	)
Purchased non-covered loans:
Gross purchased non-covered loans		15,443			136,600			984		237			34,116			187,380
Purchased loan discount		(1,100	)		(4,654	)		-		(167	)		(1,161	)		(7,082	)
Total	$	369,196		$	669,571		$	4,445	$	128,876		$	399,755		$	1,571,843

	At December 31, 2014
	Commercial			Commercial Real Estate			Construction			Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	374,005		$	567,594		$	11,003		$	146,925		$	370,842		$	1,470,369
Purchased covered loans:
Gross purchased covered loans		-			-			-			2,626			14,920			17,546
Purchased loan discount		-			-			-			(434	)		(34	)		(468	)
Purchased non-covered loans:
Gross purchased non-covered loans		19,166			157,502			2,919			972			41,656			222,215
Purchased loan discount		(1,356	)		(6,492	)		(50	)		(262	)		(1,212	)		(9,372	)
Total	$	391,815		$	718,604		$	13,872		$	149,827		$	426,172		$	1,700,290

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

	For the Nine Months Ended September 30, 2015			For the Year Ended December 31, 2014
Impaired purchased loans	(In thousands)
Carrying amount at the beginning of the period	$	4,672		$	4,936
Reductions during the period		(3	)		(264	)
Carrying amount at the end of the period	$	4,669		$	4,672

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

	For the Nine Months Ended September 30, 2015			For the Year Ended December 31, 2014
Accretable yield:	(In thousands)
Balance at the beginning of the period	$	2,261		$	2,505
Reclassification from nonaccretable difference		2,327			5,016
Accretion		(3,031	)		(5,260	)
Balance at the end of the period	$	1,557		$	2,261
Accretion	$	(3,031	)	$	(5,260	)
Change in FDIC indemnification		506			1,110
(Increase) in interest income	$	(2,525	)	$	(4,150	)

The following summarizes activity in the allowance for loan losses:

	Allowance for Loan Losses For the Three Months Ended September 30, 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	$	7,107		$	4,896		$	403		$	2,058		$	7,248		$	1,244		$	-	$	7,872		$	30,828
Additions:
Provision		1,246			(96	)		(205	)		(50	)		367			(15	)		65		(1,312	)		-
Deductions:
Chargeoffs		(239	)		(449	)		-			-			(773	)		-			-		-			(1,461	)
Recoveries		300			27			-			-			336			6			-		-			669
Net loan recoveries (losses)		61			(422	)		-			-			(437	)		6			-		-			(792	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Loan Losses For the Nine Months Ended September 30, 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		2,840			525			(446	)		(233	)		436			(689	)		65		(2,498	)		-
Deductions:
Chargeoffs		(700	)		(449	)		-			-			(2,344	)		(431	)		-		-			(3,924	)
Recoveries		814			57			-			-			1,369			235			-		-			2,475
Net loan recoveries (losses)		114			(392	)		-			-			(975	)		(196	)		-		-			(1,449	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Credit Losses For the Three Months Ended September 30, 2014
	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	$	5,297		$	10,664		$	442	$	409		$	2,055		$	2,707		$	-	$	10,824	$	32,398
Additions:
Provision		(269	)		(640	)		-		(17	)		802			(184	)		-		908		600
Deductions:
Chargeoffs		(905	)		-			-		-			(916	)		-			-		-		(1,821	)
Recoveries		229			15			-		-			297			51			-		-		592
Net loan (losses) recoveries		(676	)		15			-		-			(619	)		51			-		-		(1,229	)
Balance at end of period		4,352			10,039			442		392			2,238			2,574			-		11,732		31,769
Liability for off-balance sheet credit exposure		1,706			24			105		-			451			131			-		276		2,693
Total allowance for credit losses	$	6,058		$	10,063		$	547	$	392		$	2,689		$	2,705		$	-	$	12,008	$	34,462

FDIC indemnification expired February 6, 2014 for County Bank non-single-family residential collateralized purchased loans; accordingly, such loans have been reclassified from purchased covered loans to purchased non-covered loans as well as the related allowance for credit losses.

	Allowance for Credit Losses For the Nine Months Ended September 30, 2014
	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	$	4,005		$	12,070		$	602		$	405		$	3,198		$	-		$	1,561		$	9,852	$	31,693
Additions:
Provision		945			(2,224	)		(163	)		17			942			1,203			-			1,880		2,600
Deductions:
Chargeoffs		(1,114	)		-			-			(30	)		(3,217	)		(260	)		-			-		(4,621	)
Recoveries		516			193			3			-			1,315			70			-			-		2,097
Net loan (losses) recoveries		(598	)		193			3			(30	)		(1,902	)		(190	)		-			-		(2,524	)
Indemnification expiration		-			-			-			-			-			1,561			(1,561	)		-		-
Balance at end of period		4,352			10,039			442			392			2,238			2,574			-			11,732		31,769
Liability for off-balance sheet credit exposure		1,706			24			105			-			451			131			-			276		2,693
Total allowance for credit losses	$	6,058		$	10,063		$	547		$	392		$	2,689		$	2,705		$	-		$	12,008	$	34,462

The allowance for credit 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 September 30, 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	$	4,477	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	5,062
Collectively evaluated for impairment		3,937		3,793		198		2,008		7,178		1,235		65		6,560		24,974
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	8,414	$	4,378	$	198	$	2,008	$	7,178	$	1,235	$	65	$	6,560	$	30,036
Carrying value of loans:
Individually evaluated for impairment	$	12,327	$	5,864	$	-	$	-	$	-	$	10,008	$	-	$	-	$	28,199
Collectively evaluated for impairment		342,526		531,761		3,461		126,472		354,494		165,833		14,428		-		1,538,975
Purchased loans with evidence of credit deterioration		-		-		-		-		-		4,457		212		-		4,669
Total	$	354,853	$	537,625	$	3,461	$	126,472	$	354,494	$	180,298	$	14,640	$	-	$	1,571,843

	Allowance for Credit Losses and Recorded Investment in Loans Evaluated for Impairment At December 31, 2014
	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 credit losses:
Individually evaluated for impairment	$	496	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	496
Collectively evaluated for impairment		7,372		4,245		988		2,241		8,154		2,120		-		8,562		33,682
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	7,868	$	4,245	$	988	$	2,241	$	8,154	$	2,120	$	-	$	8,562	$	34,178
Carrying value of loans:
Individually evaluated for impairment	$	11,811	$	2,970	$	-	$	574	$	599	$	12,364	$	-	$	-	$	28,318
Collectively evaluated for impairment		362,194		564,624		11,003		146,351		370,243		196,034		16,851		-		1,667,300
Purchased loans with evidence of credit deterioration		-		-		-		-		-		4,445		227		-		4,672
Total	$	374,005	$	567,594	$	11,003	$	146,925	$	370,842	$	212,843	$	17,078	$	-	$	1,700,290

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 September 30, 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	$	338,778	$	512,570	$	3,461	$	123,753	$	353,226	$	155,312		$	13,128		$	1,500,228
Substandard		16,075		25,055		-		2,719		900		32,049			1,667			78,465
Doubtful				-		-		-		30		19			-			49
Loss		-		-		-		-		338		-			-			338
Purchased loan discount		-		-		-		-		-		(7,082	)		(155	)		(7,237	)
Total	$	354,853	$	537,625	$	3,461	$	126,472	$	354,494	$	180,298		$	14,640		$	1,571,843

(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, 2014
	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	$	366,487	$	527,980	$	11,003	$	144,902	$	369,618	$	182,644		$	15,509		$	1,618,143
Substandard		7,506		39,614		-		2,023		734		39,473			2,037			91,387
Doubtful		12		-		-		-		12		77			-			101
Loss		-		-		-		-		478		21			-			499
Purchased loan discount		-		-		-		-		-		(9,372	)		(468	)		(9,840	)
Total	$	374,005	$	567,594	$	11,003	$	146,925	$	370,842	$	212,843		$	17,078		$	1,700,290

(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 September 30, 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	$	354,183	$	417	$	84	$	-	$	169	$	354,853
Commercial real estate		527,957		2,667		-		-		7,001		537,625
Construction		3,461		-		-		-		-		3,461
Residential real estate		124,305		1,360		471		-		336		126,472
Consumer installment and other		350,289		2,834		818		481		72		354,494
Total originated loans		1,360,195		7,278		1,373		481		7,578		1,376,905
Purchased non-covered loans		168,816		1,736		878		-		8,868		180,298
Purchased covered loans		14,473		137		30		-		-		14,640
Total	$	1,543,484	$	9,151	$	2,281	$	481	$	16,446	$	1,571,843

	Summary of Loans by Delinquency and Nonaccrual Status At December 31, 2014
	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	$	372,235	$	1,704	$	36	$	-	$	30	$	374,005
Commercial real estate		557,041		6,500		-		-		4,053		567,594
Construction		11,003		-		-		-		-		11,003
Residential real estate		144,021		1,513		817		-		574		146,925
Consumer installment and other		365,753		3,310		625		502		652		370,842
Total originated loans		1,450,053		13,027		1,478		502		5,309		1,470,369
Purchased non-covered loans		196,150		4,204		491		-		11,998		212,843
Purchased covered loans		16,389		389		3		-		297		17,078
Total	$	1,662,592	$	17,620	$	1,972	$	502	$	17,604	$	1,700,290

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

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015			2014
	(In thousands)
Interest income that would have been recognized had the loans performed in accordance with their original terms	$	315	$	298	$	969		$	833
Interest income reversed (recognized) on nonaccrual loans		17		15		(308	)		(55	)
Total reduction of interest income	$	332	$	313	$	661		$	778

There were no commitments to lend additional funds to borrowers whose loans were on nonaccrual status at September 30, 2015 and December 31, 2014.

The following summarizes impaired loans:

	Impaired Loans At September 30, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	3,073	$	3,136	$	-
Commercial real estate		16,916		21,949		-
Construction		-		-		-
Residential real estate		566		597		-
Consumer installment and other		428		534		-
Impaired loans with an allowance recorded:
Commercial		9,810		9,810		4,477
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	12,883	$	12,946	$	4,477
Commercial real estate		21,576		27,058		585
Construction		-		-		-
Residential real estate		566		597		-
Consumer installment and other		428		534		-

	Impaired Loans At December 31, 2014
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,031	$	2,095	$	-
Commercial real estate		19,478		25,519		-
Construction		1,834		1,884		-
Residential real estate		574		574		-
Consumer installment and other		1,518		1,628		-
Impaired loans with an allowance recorded:
Commercial		9,910		9,910		496
Commercial real estate		-		-		-
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	11,941	$	12,005	$	496
Commercial real estate		19,478		25,519		-
Construction		1,834		1,884		-
Residential real estate		574		574		-
Consumer installment and other		1,518		1,628		-

Impaired loans include troubled debt restructured loans. Impaired loans at September 30, 2015, included $12,880 thousand of restructured loans, $6,772 thousand of which were on nonaccrual status. Impaired loans at December 31, 2014, included $4,837 thousand of restructured loans, none of which were on nonaccrual status.

	Impaired Loans
	For the Three Months Ended September 30,								For the Nine Months Ended September 30,
	2015				2014				2015				2014
	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
	(In thousands)
Commercial	$	12,750	$	147	$	3,885	$	59	$	12,513	$	440	$	4,388	$	186
Commercial real estate		21,923		142		20,787		103		19,985		546		19,961		373
Construction		-		-		1,934		-		306		-		2,076		-
Residential real estate		403		9		-		-		652		23		108		-
Consumer installment and other		516		6		1,207		7		856		19		1,416		22
Total	$	35,592	$	304	$	27,813	$	169	$	34,312	$	1,028	$	27,949	$	581

The following table provides information on troubled debt restructurings:

	Troubled Debt Restructurings At September 30, 2015
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	2,813	$	2,517	$	-
Commercial real estate		7		10,305		10,133		-
Residential real estate		1		242		230		-
Total		14	$	13,360	$	12,880	$	-

	Troubled Debt Restructurings At September 30, 2014
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	3,465	$	3,109	$	259
Commercial real estate		3		2,754		2,787		-
Consumer installment and other		1		18		11		-
Total		10	$	6,237	$	5,907	$	259

During the three and nine months ended September 30, 2015, the Company modified one loan with a carrying value of $6,330 thousand and seven loans with an aggregate carrying value of $8,150 thousand, respectively, that were considered troubled debt restructurings. The concessions granted in the seven restructurings completed in the first nine months of 2015 consisted of modification of payment terms to extend the maturity date to allow for deferred principal repayment, under-market terms and court order.

During the three and nine months ended September 30, 2014, the Company modified three loans with a total carrying value of $617 thousand and five loans with a total carrying value of $726 thousand, respectively, that were considered troubled debt restructurings. The concessions granted in the five restructurings completed in the first nine months of 2014 consisted of modification of payment terms to extend the maturity date to allow for deferred principal repayment.

During the three and nine months ended September 30, 2015 and 2014, no troubled debt restructured loans defaulted within 12 months of the modification date. A troubled debt restructuring is considered to be in default when payments are ninety days or more past due.

The Company repaid $20,015 thousand of Federal Home Loan Bank (“FHLB”) advances in January 2015, which had been collateralized by loans; the collateral requirements expired upon repayment of the debt. At December 31, 2014, the Company pledged loans to secure borrowings with a carrying value of $20,015 thousand from the FHLB. The loans restricted due to collateral requirements approximated $18,366 thousand at December 31, 2014.

There were no loans held for sale at September 30, 2015 and December 31, 2014.

At September 30, 2015 and September 30, 2014, the Company held total other real estate owned (OREO) of $9,269 thousand and $7,273 thousand, respectively, of which $-0- thousand and $585 thousand, respectively, were 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 totaled $-0- thousand and $595 thousand at September 30, 2015 and September 30, 2014, respectively.

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Note 7 - Goodwill and Identifiable Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	At September 30, 2015		At December 31, 2014
	(In thousands)
Goodwill	$	121,673	$	121,673

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

	At September 30, 2015					At December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(45,897	)	$	56,808	$	(43,188	)
Merchant Draft Processing Intangible		10,300		(9,832	)		10,300		(9,633	)
Total Identifiable Intangible Assets	$	67,108	$	(55,729	)	$	67,108	$	(52,821	)

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

	Core Deposit Intangibles		Merchant Draft Processing Intangible		Total
	(In thousands)
Nine months ended September 30, 2015 (actual)	$	2,709	$	199	$	2,908
Estimate for year ended December 31, 2015		3,594		262		3,856
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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Accounting Policies, by Policy (Policies)

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

New Accounting Pronouncements, Policy [Policy Text Block]

Recently Adopted Accounting Standards

FASB ASU 2014-01, Investments- Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects, was issued January 2014 to permit reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using the proportional amortization method if certain conditions are met. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense (benefit). For those investments in qualified affordable housing projects not accounted for using the proportional amortization method, the investment should be accounted for as an equity method investment or a cost method investment in accordance with GAAP. The policy election must be applied consistently to all qualified affordable housing project investments.

The ASU also requires a reporting entity to disclose information regarding its investments in qualified affordable housing projects, and the effect of the measurement of its investments in qualified affordable housing projects and the related tax credits on its financial position and results of operations.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at January 1, 2015, the date adopted.

FASB ASU 2014-04, Receivables - Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure, was issued on January 17, 2014, providing clarification that an in substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at January 1, 2015, the date adopted.

FASB ASU 2014-11, Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures, was issued on June 12, 2014. The ASU improves the financial reporting of repurchase agreements and other similar transactions through a change in accounting for repurchase-to-maturity transactions and repurchase financings, and the introduction of two new disclosure requirements. New disclosures are required for (1) transfers accounted for as sales in transactions that are economically similar to repurchase agreements, in which the transferor retains substantially all of the exposure to the economic return on the transferred financial asset throughout the term of the transaction and (2) repurchase agreements, securities lending transactions, and repurchase-to-maturity transactions accounted for as secured borrowings about the nature of collateral pledged and the time to maturity of those transactions.

The adoption of the ASU was limited to additional disclosures only and did not have a material effect on the Company’s financial statements at April 1, 2015, the date adopted.

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Note 8 - Deposits and Borrowed Funds

9 Months Ended

Sep. 30, 2015

Deposits And Borrowed Funds [Abstract]

Deposits And Borrowed Funds [Text Block]

Note 8: Deposits and Borrowed Funds

The following table provides additional detail regarding deposits.

	Deposits
	At September 30, 2015		At December 31, 2014
	(In thousands)
Noninterest-bearing	$	1,942,450	$	1,910,781
Interest-bearing:
Transaction		812,940		792,448
Savings		1,310,985		1,260,819
Time deposits less than $100 thousand		156,503		169,959
Time deposits $100 thousand through $250 thousand		101,317		113,023
Time deposits more than $250 thousand		42,725		102,161
Total deposits	$	4,366,920	$	4,349,191

Demand deposit overdrafts of $2,753 thousand and $3,173 thousand were included as loan balances at September 30, 2015 and December 31, 2014, respectively. Interest expense for aggregate time deposits with individual account balances in excess of $100 thousand was $164 thousand and $543 thousand in the third quarter of and first nine months of 2015, respectively and $219 thousand and $683 thousand in the third quarter of and first nine months of 2014, respectively.

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

	Repurchase Agreements (Sweep) Accounted for as Secured Borrowings
	At September 30, 2015		At December 31, 2014
	Remaining Contractual Maturity of the Agreements
	Overnight and Continuous		Overnight and Continuous
Repurchase agreements:	(In thousands)
Securities of U.S. Government sponsored entities	$	110,541	$	80,827
Obligations of states and political subdivisions		3,975		14,251
Corporate securities		54,832		52,936
Total collateral carrying value	$	169,348	$	148,014
Total short-term borrowed funds	$	57,063	$	89,784

FHLB advances matured and were repaid in full in January 2015. At December 31, 2014, FHLB advances with a carrying value of $20,015 thousand were secured by residential real estate loans and securities of approximately $26,484  thousand.

The Company has a $35,000 thousand unsecured line of credit which had no outstanding balance at September 30, 2015 and December 31, 2014. The line of credit has a variable interest rate, which was 2.0% per annum at September 30, 2015, with interest payable monthly on outstanding advances. Advances may be made up to the unused credit limit through March 18, 2016.

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Note 10 - Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 10 - Commitments and Contingent Liabilities (Details) [Line Items]
Unfunded Loan Commitments	$ 316,947	$ 312,694
Other Liabilities [Member]
Note 10 - Commitments and Contingent Liabilities (Details) [Line Items]
Reserve for Unfunded Commitments	2,593	2,693
Financial Standby Letter of Credit [Member]
Note 10 - Commitments and Contingent Liabilities (Details) [Line Items]
Letters of Credit Outstanding, Amount	27,117	29,002
Standby Letters of Credit [Member]
Note 10 - Commitments and Contingent Liabilities (Details) [Line Items]
Letters of Credit Outstanding, Amount	$ 40	$ 40

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Note 6 - Other Assets

9 Months Ended

Sep. 30, 2015

Disclosure Text Block Supplement [Abstract]

Other Assets Disclosure [Text Block]

Note 6: Other Assets

Other assets consisted of the following:

	At September 30, 2015		At December 31, 2014
	(In thousands)
Cost method equity investments:
Federal Reserve Bank stock (1)	$	14,069	$	14,069
Federal Home Loan Bank stock (2)		-		940
Other investments		201		241
Total cost method equity investments		14,270		15,250
Life insurance cash surrender value		48,335		46,479
Net deferred tax asset		47,046		50,903
Limited partnership investments		15,934		18,673
Interest receivable		18,637		19,394
Prepaid assets		4,309		5,609
Other assets		10,381		10,150
Total other assets	$	158,912	$	166,458

⁽¹⁾ A bank applying for membership in the Federal Reserve System is required to subscribe to stock in the Federal Reserve Bank of San Francisco (FRB) 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.

⁽²⁾ Borrowings from the FHLB must be supported by capital stock holdings. The minimum activity-based requirement is 4.7% of the outstanding advances. The requirement may be adjusted from time to time by the FHLB within limits established in the FHLB's Capital Plan.

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 September 30, 2015, this investment totaled $15,934 thousand and $2,299 thousand of this amount represents outstanding equity capital commitments. These commitments are expected to be paid as follows, $453 thousand in 2015, $763 thousand in 2016, and $1,083 thousand in 2017 or thereafter.

The amounts recognized in net income for these investments include:

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Investment loss included in pre-tax income	$	750	$	750	$	2,175	$	2,200
Tax credits recognized in provision for income taxes		663		610		1,988		2,200

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Note 7 - Goodwill and Identifiable Intangible Assets

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

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 periodically evaluated for impairment. The Company did not recognize impairment during the three and nine months ended September 30, 2015 and year ended December 31, 2014. 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 nine months ended September 30, 2015 and year ended December 31, 2014, no such adjustments were recorded.

The carrying values of goodwill were:

	At September 30, 2015		At December 31, 2014
	(In thousands)
Goodwill	$	121,673	$	121,673

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

	At September 30, 2015					At December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(45,897	)	$	56,808	$	(43,188	)
Merchant Draft Processing Intangible		10,300		(9,832	)		10,300		(9,633	)
Total Identifiable Intangible Assets	$	67,108	$	(55,729	)	$	67,108	$	(52,821	)

As of September 30, 2015, the current year and estimated future amortization expense for identifiable intangible assets was:

	Core Deposit Intangibles		Merchant Draft Processing Intangible		Total
	(In thousands)
Nine months ended September 30, 2015 (actual)	$	2,709	$	199	$	2,908
Estimate for year ended December 31, 2015		3,594		262		3,856
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 9 - Fair Value Measurements

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

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, municipal bonds and residential collateralized mortgage obligations.

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 is 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 and 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. During the three months 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. For the three months ended September 30, 2015 and the year ended December 31, 2014, there were no transfers into or out of levels 1, 2 or 3.

Assets Recorded at Fair Value on a Recurring Basis

The table below presents assets measured at fair value on a recurring basis.

	At September 30, 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)
U.S. Treasury securities	$	3,001	$	3,001	$	-	$	-
Securities of U.S. Government sponsored entities		342,409		-		342,409		-
Residential mortgage-backed securities		20,590		-		20,590		-
Commercial mortgage-backed securities		2,552		-		2,552		-
Obligations of states and political subdivisions		161,155		-		161,155		-
Residential collateralized mortgage obligations		194,552		-		194,552		-
Asset-backed securities		2,330		-		2,330		-
FHLMC and FNMA stock		6,500		10		6,490		-
Corporate securities		835,839		-		835,839		-
Other securities		2,782		924		1,858		-
Total securities available for sale	$	1,571,710	$	3,935	$	1,567,775	$	-

	At December 31, 2014
	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)
U.S. Treasury securities	$	3,505	$	3,505	$	-	$	-
Securities of U.S. Government sponsored entities		635,188		635,188		-		-
Residential mortgage-backed securities		26,407		-		26,407		-
Commercial mortgage-backed securities		2,919		-		2,919		-
Obligations of states and political subdivisions		181,799		-		181,799		-
Residential collateralized mortgage obligations		222,457		-		222,457		-
Asset-backed securities		8,313		-		8,313		-
FHLMC and FNMA stock		5,168		5,168		-		-
Corporate securities		512,239		-		512,239		-
Other securities		2,786		910		1,876		-
Total securities available for sale	$	1,600,781	$	644,771	$	956,010	$	-

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 September 30, 2015 and December 31, 2014, 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 September 30, 2015								For the Nine Months Ended September 30, 2015
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	9,269	$	-	$	-	$	9,269	$	(315	)
Impaired loans		15,738		-		-		15,738		(449	)
Total assets measured at fair value on a nonrecurring basis	$	25,007	$	-	$	-	$	25,007	$	(764	)

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.

	At December 31, 2014								For the Year Ended December 31, 2014
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Other real estate owned	$	6,374	$	-	$	6,374	$	-	$	(358	)
Impaired loans		17,085		-		7,670		9,415		(884	)
Total assets measured at fair value on a nonrecurring basis	$	23,459	$	-	$	14,044	$	9,415	$	(1,242	)

Level 2 – Valuation is based upon independent market prices or appraised value of the collateral, less 10% for selling costs, generally. Level 2 includes other real estate owned that has been measured at fair value upon transfer to foreclosed assets and impaired loans collateralized by real property 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.

Level 3 – Valuation is based upon estimated liquidation values of loan collateral. The value of level 3 assets can also include a component of real estate, which is valued as described for level 2 inputs, when collateral for the impaired loan includes both business assets and real estate. Level 3 includes impaired loans where a specific reserve has been established or a chargeoff has been recorded.

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 1 and 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 $30,036 thousand at September 30, 2015 and $31,485 thousand at December 31, 2014 and the purchased loan discount associated with purchased covered and purchased non-covered loans of $155 thousand and $7,082 thousand, respectively at September 30, 2015 and of $468 thousand and $9,372 thousand, respectively at December 31, 2014 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.

Federal Home Loan Bank Advances The fair values of FHLB advances were estimated by using redemption amounts quoted by the Federal Home Loan Bank of San Francisco.

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 September 30, 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	$	268,587	$	268,587	$	268,587	$	-	$	-
Investment securities held to maturity		1,278,814		1,293,958		-		1,293,958		-
Loans		1,541,807		1,554,908		-		-		1,554,908
Financial Liabilities:
Deposits	$	4,366,920	$	4,365,831	$	-	$	4,066,375	$	299,456
Short-term borrowed funds		57,063		57,063		-		57,063		-

	At December 31, 2014
	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	$	380,836	$	380,836	$	380,836	$	-	$	-
Investment securities held to maturity		1,038,658		1,048,562		1,077		1,047,485		-
Loans		1,668,805		1,685,048		-		-		1,685,048
Financial Liabilities:
Deposits	$	4,349,191	$	4,348,958	$	-	$	3,964,048	$	384,910
Short-term borrowed funds		89,784		89,784		-		89,784		-
Federal Home Loan Bank advances		20,015		20,014		20,014		-		-

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 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status [Line Items]
Originated loans	$ 1,376,905	$ 1,470,369
Purchased covered loans:
Gross purchased covered loans	14,795	17,546
Purchased loan discount	(155)	(468)
Purchased non-covered loans:
Gross purchased non-covered loans	187,380	222,215
Purchased loan discount	(7,082)	(9,372)
Total	1,571,843	1,700,290
Commercial Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status [Line Items]
Originated loans	354,853	374,005
Purchased non-covered loans:
Gross purchased non-covered loans	15,443	19,166
Purchased loan discount	(1,100)	(1,356)
Total	369,196	391,815
Commercial Real Estate Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status [Line Items]
Originated loans	537,625	567,594
Purchased non-covered loans:
Gross purchased non-covered loans	136,600	157,502
Purchased loan discount	(4,654)	(6,492)
Total	669,571	718,604
Construction Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status [Line Items]
Originated loans	3,461	11,003
Purchased non-covered loans:
Gross purchased non-covered loans	984	2,919
Purchased loan discount		(50)
Total	4,445	13,872
Residential Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status [Line Items]
Originated loans	126,472	146,925
Purchased covered loans:
Gross purchased covered loans	2,467	2,626
Purchased loan discount	(133)	(434)
Purchased non-covered loans:
Gross purchased non-covered loans	237	972
Purchased loan discount	(167)	(262)
Total	128,876	149,827
Consumer Portfolio Segment [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) - Loans by Delinquency and Nonaccrual Status [Line Items]
Originated loans	354,494	370,842
Purchased covered loans:
Gross purchased covered loans	12,328	14,920
Purchased loan discount	(22)	(34)
Purchased non-covered loans:
Gross purchased non-covered loans	34,116	41,656
Purchased loan discount	(1,161)	(1,212)
Total	$ 399,755	$ 426,172

XML

Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Gross Carrying Amount of Intangible Assets and Accumulated Amortization - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 67,108	$ 67,108
Accumulated Amortization	(55,729)	(52,821)
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	56,808	56,808
Accumulated Amortization	(45,897)	(43,188)
Mechant Draft Processing [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,300	10,300
Accumulated Amortization	$ (9,832)	$ (9,633)

XML

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

9 Months Ended

Sep. 30, 2015

Loans And Allowance For Credit Losses [Abstract]

Schedule of Loans Receivable [Table Text Block]

	At September 30, 2015
	Commercial			Commercial Real Estate			Construction		Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	354,853		$	537,625		$	3,461	$	126,472		$	354,494		$	1,376,905
Purchased covered loans:
Gross purchased covered loans		-			-			-		2,467			12,328			14,795
Purchased loan discount		-			-			-		(133	)		(22	)		(155	)
Purchased non-covered loans:
Gross purchased non-covered loans		15,443			136,600			984		237			34,116			187,380
Purchased loan discount		(1,100	)		(4,654	)		-		(167	)		(1,161	)		(7,082	)
Total	$	369,196		$	669,571		$	4,445	$	128,876		$	399,755		$	1,571,843

	At December 31, 2014
	Commercial			Commercial Real Estate			Construction			Residential Real Estate			Consumer Installment & Other			Total
	(In thousands)
Originated loans	$	374,005		$	567,594		$	11,003		$	146,925		$	370,842		$	1,470,369
Purchased covered loans:
Gross purchased covered loans		-			-			-			2,626			14,920			17,546
Purchased loan discount		-			-			-			(434	)		(34	)		(468	)
Purchased non-covered loans:
Gross purchased non-covered loans		19,166			157,502			2,919			972			41,656			222,215
Purchased loan discount		(1,356	)		(6,492	)		(50	)		(262	)		(1,212	)		(9,372	)
Total	$	391,815		$	718,604		$	13,872		$	149,827		$	426,172		$	1,700,290

Impaired Purchased Loans Roll Forward [Table Text Block]

	For the Nine Months Ended September 30, 2015			For the Year Ended December 31, 2014
Impaired purchased loans	(In thousands)
Carrying amount at the beginning of the period	$	4,672		$	4,936
Reductions during the period		(3	)		(264	)
Carrying amount at the end of the period	$	4,669		$	4,672

Accretable Yield Reconciliation Schedule [Table Text Block]

	For the Nine Months Ended September 30, 2015			For the Year Ended December 31, 2014
Accretable yield:	(In thousands)
Balance at the beginning of the period	$	2,261		$	2,505
Reclassification from nonaccretable difference		2,327			5,016
Accretion		(3,031	)		(5,260	)
Balance at the end of the period	$	1,557		$	2,261
Accretion	$	(3,031	)	$	(5,260	)
Change in FDIC indemnification		506			1,110
(Increase) in interest income	$	(2,525	)	$	(4,150	)

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

	Allowance for Loan Losses For the Three Months Ended September 30, 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	$	7,107		$	4,896		$	403		$	2,058		$	7,248		$	1,244		$	-	$	7,872		$	30,828
Additions:
Provision		1,246			(96	)		(205	)		(50	)		367			(15	)		65		(1,312	)		-
Deductions:
Chargeoffs		(239	)		(449	)		-			-			(773	)		-			-		-			(1,461	)
Recoveries		300			27			-			-			336			6			-		-			669
Net loan recoveries (losses)		61			(422	)		-			-			(437	)		6			-		-			(792	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Loan Losses For the Nine Months Ended September 30, 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		2,840			525			(446	)		(233	)		436			(689	)		65		(2,498	)		-
Deductions:
Chargeoffs		(700	)		(449	)		-			-			(2,344	)		(431	)		-		-			(3,924	)
Recoveries		814			57			-			-			1,369			235			-		-			2,475
Net loan recoveries (losses)		114			(392	)		-			-			(975	)		(196	)		-		-			(1,449	)
Total allowance for loan losses	$	8,414		$	4,378		$	198		$	2,008		$	7,178		$	1,235		$	65	$	6,560		$	30,036

	Allowance for Credit Losses For the Three Months Ended September 30, 2014
	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	$	5,297		$	10,664		$	442	$	409		$	2,055		$	2,707		$	-	$	10,824	$	32,398
Additions:
Provision		(269	)		(640	)		-		(17	)		802			(184	)		-		908		600
Deductions:
Chargeoffs		(905	)		-			-		-			(916	)		-			-		-		(1,821	)
Recoveries		229			15			-		-			297			51			-		-		592
Net loan (losses) recoveries		(676	)		15			-		-			(619	)		51			-		-		(1,229	)
Balance at end of period		4,352			10,039			442		392			2,238			2,574			-		11,732		31,769
Liability for off-balance sheet credit exposure		1,706			24			105		-			451			131			-		276		2,693
Total allowance for credit losses	$	6,058		$	10,063		$	547	$	392		$	2,689		$	2,705		$	-	$	12,008	$	34,462

	Allowance for Credit Losses For the Nine Months Ended September 30, 2014
	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	$	4,005		$	12,070		$	602		$	405		$	3,198		$	-		$	1,561		$	9,852	$	31,693
Additions:
Provision		945			(2,224	)		(163	)		17			942			1,203			-			1,880		2,600
Deductions:
Chargeoffs		(1,114	)		-			-			(30	)		(3,217	)		(260	)		-			-		(4,621	)
Recoveries		516			193			3			-			1,315			70			-			-		2,097
Net loan (losses) recoveries		(598	)		193			3			(30	)		(1,902	)		(190	)		-			-		(2,524	)
Indemnification expiration		-			-			-			-			-			1,561			(1,561	)		-		-
Balance at end of period		4,352			10,039			442			392			2,238			2,574			-			11,732		31,769
Liability for off-balance sheet credit exposure		1,706			24			105			-			451			131			-			276		2,693
Total allowance for credit losses	$	6,058		$	10,063		$	547		$	392		$	2,689		$	2,705		$	-		$	12,008	$	34,462

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 September 30, 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	$	4,477	$	585	$	-	$	-	$	-	$	-	$	-	$	-	$	5,062
Collectively evaluated for impairment		3,937		3,793		198		2,008		7,178		1,235		65		6,560		24,974
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	8,414	$	4,378	$	198	$	2,008	$	7,178	$	1,235	$	65	$	6,560	$	30,036
Carrying value of loans:
Individually evaluated for impairment	$	12,327	$	5,864	$	-	$	-	$	-	$	10,008	$	-	$	-	$	28,199
Collectively evaluated for impairment		342,526		531,761		3,461		126,472		354,494		165,833		14,428		-		1,538,975
Purchased loans with evidence of credit deterioration		-		-		-		-		-		4,457		212		-		4,669
Total	$	354,853	$	537,625	$	3,461	$	126,472	$	354,494	$	180,298	$	14,640	$	-	$	1,571,843

	Allowance for Credit Losses and Recorded Investment in Loans Evaluated for Impairment At December 31, 2014
	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 credit losses:
Individually evaluated for impairment	$	496	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	496
Collectively evaluated for impairment		7,372		4,245		988		2,241		8,154		2,120		-		8,562		33,682
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	7,868	$	4,245	$	988	$	2,241	$	8,154	$	2,120	$	-	$	8,562	$	34,178
Carrying value of loans:
Individually evaluated for impairment	$	11,811	$	2,970	$	-	$	574	$	599	$	12,364	$	-	$	-	$	28,318
Collectively evaluated for impairment		362,194		564,624		11,003		146,351		370,243		196,034		16,851		-		1,667,300
Purchased loans with evidence of credit deterioration		-		-		-		-		-		4,445		227		-		4,672
Total	$	374,005	$	567,594	$	11,003	$	146,925	$	370,842	$	212,843	$	17,078	$	-	$	1,700,290

Financing Receivable Credit Quality Indicators [Table Text Block]

	Credit Risk Profile by Internally Assigned Grade At September 30, 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	$	338,778	$	512,570	$	3,461	$	123,753	$	353,226	$	155,312		$	13,128		$	1,500,228
Substandard		16,075		25,055		-		2,719		900		32,049			1,667			78,465
Doubtful				-		-		-		30		19			-			49
Loss		-		-		-		-		338		-			-			338
Purchased loan discount		-		-		-		-		-		(7,082	)		(155	)		(7,237	)
Total	$	354,853	$	537,625	$	3,461	$	126,472	$	354,494	$	180,298		$	14,640		$	1,571,843

	Credit Risk Profile by Internally Assigned Grade At December 31, 2014
	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	$	366,487	$	527,980	$	11,003	$	144,902	$	369,618	$	182,644		$	15,509		$	1,618,143
Substandard		7,506		39,614		-		2,023		734		39,473			2,037			91,387
Doubtful		12		-		-		-		12		77			-			101
Loss		-		-		-		-		478		21			-			499
Purchased loan discount		-		-		-		-		-		(9,372	)		(468	)		(9,840	)
Total	$	374,005	$	567,594	$	11,003	$	146,925	$	370,842	$	212,843		$	17,078		$	1,700,290

Past Due Financing Receivables [Table Text Block]

	Summary of Loans by Delinquency and Nonaccrual Status At September 30, 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	$	354,183	$	417	$	84	$	-	$	169	$	354,853
Commercial real estate		527,957		2,667		-		-		7,001		537,625
Construction		3,461		-		-		-		-		3,461
Residential real estate		124,305		1,360		471		-		336		126,472
Consumer installment and other		350,289		2,834		818		481		72		354,494
Total originated loans		1,360,195		7,278		1,373		481		7,578		1,376,905
Purchased non-covered loans		168,816		1,736		878		-		8,868		180,298
Purchased covered loans		14,473		137		30		-		-		14,640
Total	$	1,543,484	$	9,151	$	2,281	$	481	$	16,446	$	1,571,843

	Summary of Loans by Delinquency and Nonaccrual Status At December 31, 2014
	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	$	372,235	$	1,704	$	36	$	-	$	30	$	374,005
Commercial real estate		557,041		6,500		-		-		4,053		567,594
Construction		11,003		-		-		-		-		11,003
Residential real estate		144,021		1,513		817		-		574		146,925
Consumer installment and other		365,753		3,310		625		502		652		370,842
Total originated loans		1,450,053		13,027		1,478		502		5,309		1,470,369
Purchased non-covered loans		196,150		4,204		491		-		11,998		212,843
Purchased covered loans		16,389		389		3		-		297		17,078
Total	$	1,662,592	$	17,620	$	1,972	$	502	$	17,604	$	1,700,290

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

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015			2014
	(In thousands)
Interest income that would have been recognized had the loans performed in accordance with their original terms	$	315	$	298	$	969		$	833
Interest income reversed (recognized) on nonaccrual loans		17		15		(308	)		(55	)
Total reduction of interest income	$	332	$	313	$	661		$	778

Impaired Financing Receivables [Table Text Block]

	Impaired Loans At September 30, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	3,073	$	3,136	$	-
Commercial real estate		16,916		21,949		-
Construction		-		-		-
Residential real estate		566		597		-
Consumer installment and other		428		534		-
Impaired loans with an allowance recorded:
Commercial		9,810		9,810		4,477
Commercial real estate		4,660		5,109		585
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	12,883	$	12,946	$	4,477
Commercial real estate		21,576		27,058		585
Construction		-		-		-
Residential real estate		566		597		-
Consumer installment and other		428		534		-

	Impaired Loans At December 31, 2014
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	2,031	$	2,095	$	-
Commercial real estate		19,478		25,519		-
Construction		1,834		1,884		-
Residential real estate		574		574		-
Consumer installment and other		1,518		1,628		-
Impaired loans with an allowance recorded:
Commercial		9,910		9,910		496
Commercial real estate		-		-		-
Construction		-		-		-
Residential real estate		-		-		-
Consumer installment and other		-		-		-
Total:
Commercial	$	11,941	$	12,005	$	496
Commercial real estate		19,478		25,519		-
Construction		1,834		1,884		-
Residential real estate		574		574		-
Consumer installment and other		1,518		1,628		-

Impaired Financing Receivables Supplemental Schedule [Table Text Block]

	Impaired Loans
	For the Three Months Ended September 30,								For the Nine Months Ended September 30,
	2015				2014				2015				2014
	Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income		Average Recorded Investment		Recognized Interest Income
	(In thousands)
Commercial	$	12,750	$	147	$	3,885	$	59	$	12,513	$	440	$	4,388	$	186
Commercial real estate		21,923		142		20,787		103		19,985		546		19,961		373
Construction		-		-		1,934		-		306		-		2,076		-
Residential real estate		403		9		-		-		652		23		108		-
Consumer installment and other		516		6		1,207		7		856		19		1,416		22
Total	$	35,592	$	304	$	27,813	$	169	$	34,312	$	1,028	$	27,949	$	581

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

	Troubled Debt Restructurings At September 30, 2015
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	2,813	$	2,517	$	-
Commercial real estate		7		10,305		10,133		-
Residential real estate		1		242		230		-
Total		14	$	13,360	$	12,880	$	-

	Troubled Debt Restructurings At September 30, 2014
	Number of Contracts		Pre-Modification Carrying Value		Period-End Carrying Value		Period-End Individual Impairment Allowance
	(In thousands)
Commercial		6	$	3,465	$	3,109	$	259
Commercial real estate		3		2,754		2,787		-
Consumer installment and other		1		18		11		-
Total		10	$	6,237	$	5,907	$	259

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Note 11 - Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

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

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands, except per share data)
Net income applicable to common equity (numerator)	$	14,857	$	15,154	$	44,175	$	45,618
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		25,530		25,973		25,565		26,192
Basic earnings per common share	$	0.58	$	0.58	$	1.73	$	1.74
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		25,530		25,973		25,565		26,192
Add common stock equivalents for options		35		43		20		70
Weighted average number of common shares outstanding - diluted (denominator)		25,565		26,016		25,585		26,262
Diluted earnings per common share	$	0.58	$	0.58	$	1.73	$	1.74

XML

Note 7 - Goodwill and Identifiable Intangible Assets (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Asset Impairment	$ 0	$ 0	$ 0

XML

Note 4 - Loans and Allowance for Credit Losses (Details) - Effect of Nonaccrual Loans on Interest Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Effect of Nonaccrual Loans on Interest Income [Abstract]
Interest income that would have been recognized had the loans performed in accordance with their original terms	$ 315	$ 298	$ 969	$ 833
Interest income reversed (recognized) on nonaccrual loans	17	15	(308)	(55)
Total reduction of interest income	$ 332	$ 313	$ 661	$ 778

XML

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net Income	$ 14,857	$ 15,154	$ 44,175	$ 45,618
Other comprehensive income:
Increase (decrease) in net unrealized gains on securities available for sale	5,522	(4,884)	3,242	9,305
Deferred tax (expense) benefit	(2,321)	2,054	(1,363)	(3,912)
Increase (decrease) in net unrealized gains on securities available for sale, net of tax	3,201	(2,830)	1,879	5,393
Post-retirement benefit transition obligation amortization	15	15	45	45
Deferred tax expense	(6)	(6)	(18)	(18)
Post-retirement benefit transition obligation amortization, net of tax	9	9	27	27
Total Other Comprehensive Income (Loss)	3,210	(2,821)	1,906	5,420
Total Comprehensive Income	$ 18,067	$ 12,333	$ 46,081	$ 51,038

XML

Note 3 - Investment Securities

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

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 September 30, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
U.S. Treasury securities	$	3,000	$	1	$	-		$	3,001
Securities of U.S. Government sponsored entities		341,038		1,381		(10	)		342,409
Residential mortgage-backed securities		19,303		1,289		(2	)		20,590
Commercial mortgage-backed securities		2,547		11		(6	)		2,552
Obligations of states and political subdivisions		152,158		9,094		(97	)		161,155
Residential collateralized mortgage obligations		199,059		438		(4,945	)		194,552
Asset-backed securities		2,350		-		(20	)		2,330
FHLMC1 and FNMA2 stock		775		5,725		-			6,500
Corporate securities		836,882		1,707		(2,750	)		835,839
Other securities		2,039		885		(142	)		2,782
Total	$	1,559,151	$	20,531	$	(7,972	)	$	1,571,710

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 September 30, 2015
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	830	$	10	$	-		$	840
Residential mortgage-backed securities		362,925		2,194		(28	)		365,091
Commercial mortgage-backed securities		16,379		57		(174	)		16,262
Obligations of states and political subdivisions		682,818		12,486		(1,204	)		694,100
Residential collateralized mortgage obligations		215,862		2,404		(601	)		217,665
Total	$	1,278,814	$	17,151	$	(2,007	)	$	1,293,958

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, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
U.S. Treasury securities	$	3,500	$	5	$	-		$	3,505
Securities of U.S. Government sponsored entities		635,278		937		(1,027	)		635,188
Residential mortgage-backed securities		24,647		1,776		(16	)		26,407
Commercial mortgage-backed securities		2,923		6		(10	)		2,919
Obligations of states and political subdivisions		171,907		10,015		(123	)		181,799
Residential collateralized mortgage obligations		230,347		634		(8,524	)		222,457
Asset-backed securities		8,349		-		(36	)		8,313
FHLMC1 and FNMA2 stock		775		4,393		-			5,168
Corporate securities		511,699		2,169		(1,629	)		512,239
Other securities		2,039		871		(124	)		2,786
Total	$	1,591,464	$	20,806	$	(11,489	)	$	1,600,781

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, 2014
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	1,066	$	11	$	-		$	1,077
Residential mortgage-backed securities		59,078		1,183		(137	)		60,124
Obligations of states and political subdivisions		720,189		11,350		(2,358	)		729,181
Residential collateralized mortgage obligations		258,325		2,236		(2,381	)		258,180
Total	$	1,038,658	$	14,780	$	(4,876	)	$	1,048,562

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

	At September 30, 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	$	111,972	$	112,333	$	19,012	$	19,647
Over 1 to 5 years		1,066,830		1,068,036		237,908		240,961
Over 5 to 10 years		129,133		134,756		285,130		290,517
Over 10 years		27,493		29,609		141,598		143,815
Subtotal		1,335,428		1,344,734		683,648		694,940
Mortgage-backed securities and residential collateralized mortgage obligations		220,909		217,694		595,166		599,018
Other securities		2,814		9,282		-		-
Total	$	1,559,151	$	1,571,710	$	1,278,814	$	1,293,958

Securities available for sale at September 30, 2015 with maturity dates over one year but less than five years include $337,419  thousand (fair value) of securities of U.S. Government sponsored entities with call options on dates within one year or less, of which $43,121  thousand have interest coupons which will increase if the issuer does not exercise the call option.

	At December 31, 2014
	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	$	57,891	$	57,991	$	15,355	$	15,855
Over 1 to 5 years		629,200		630,797		228,380		230,248
Over 5 to 10 years		584,872		589,250		285,219		288,631
Over 10 years		58,770		63,006		192,301		195,524
Subtotal		1,330,733		1,341,044		721,255		730,258
Mortgage-backed securities and residential collateralized mortgage obligations		257,917		251,783		317,403		318,304
Other securities		2,814		7,954		-		-
Total	$	1,591,464	$	1,600,781	$	1,038,658	$	1,048,562

Expected maturities of mortgage-backed 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-backed securities. At September 30, 2015 and December 31, 2014, 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 September 30, 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		1	$	4,990	$	(10	)		-	$	-	$	-			1	$	4,990	$	(10	)
Residential mortgage-backed securities		-		-		-			1		790		(2	)		1		790		(2	)
Commercial mortgage-backed securities		-		-		-			1		879		(6	)		1		879		(6	)
Obligations of states and political subdivisions		4		2,132		(31	)		5		2,503		(66	)		9		4,635		(97	)
Residential collateralized mortgage obligations		2		13,280		(245	)		29		168,927		(4,700	)		31		182,207		(4,945	)
Asset-backed securities		-		-		-			1		2,330		(20	)		1		2,330		(20	)
Corporate securities		71		379,170		(2,417	)		19		63,206		(333	)		90		442,376		(2,750	)
Other securities		-		-		-			1		1,858		(142	)		1		1,858		(142	)
Total		78	$	399,572	$	(2,703	)		57	$	240,493	$	(5,269	)		135	$	640,065	$	(7,972	)

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

	Investment Securities Held to Maturity At September 30, 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)
Residential mortgage-backed securities		2	$	21,047	$	(26	)		1	$	96	$	(2	)		3	$	21,143	$	(28	)
Commercial mortgage-backed securities		1		7,562		(74	)		1		6,597		(100	)		2		14,159		(174	)
Obligations of states and political subdivisions		45		29,242		(189	)		70		63,195		(1,015	)		115		92,437		(1,204	)
Residential collateralized mortgage obligations		3		15,821		(60	)		12		65,404		(541	)		15		81,225		(601	)
Total		51	$	73,672	$	(349	)		84	$	135,292	$	(1,658	)		135	$	208,964	$	(2,007	)

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-related 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 September 30, 2015.

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 September 30, 2015, $715,879  thousand of investment securities were pledged to secure public deposits and short-term borrowed funds. As of December 31, 2014, $757,623  thousand of investment securities were pledged to secure public deposits, short-term borrowed funds and FHLB advances.

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

	Investment Securities Available for Sale At December 31, 2014
	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		15	$	253,632	$	(989	)		1	$	9,963	$	(38	)		16	$	263,595	$	(1,027	)
Residential mortgage-backed securities		-		-		-			2		822		(16	)		2		822		(16	)
Commercial mortgage-backed securities		1		942		(7	)		1		803		(3	)		2		1,745		(10	)
Obligations of states and political subdivisions		7		2,548		(18	)		17		5,518		(105	)		24		8,066		(123	)
Residential collateralized mortgage obligations		-		-		-			32		205,074		(8,524	)		32		205,074		(8,524	)
Asset-backed securities		1		5,008		(7	)		1		3,305		(29	)		2		8,313		(36	)
Corporate securities		53		165,026		(1,304	)		5		34,222		(325	)		58		199,248		(1,629	)
Other securities		-		-		-			1		1,876		(124	)		1		1,876		(124	)
Total		77	$	427,156	$	(2,325	)		60	$	261,583	$	(9,164	)		137	$	688,739	$	(11,489	)

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

	Investment Securities Held to Maturity At December 31, 2014
	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)
Residential mortgage-backed securities		4	$	19,467	$	(132	)		1	$	201	$	(5	)		5	$	19,668	$	(137	)
Obligations of states and political subdivisions		103		76,202		(439	)		138		123,370		(1,919	)		241		199,572		(2,358	)
Residential collateralized mortgage obligations		5		13,932		(166	)		22		119,513		(2,215	)		27		133,445		(2,381	)
Total		112	$	109,601	$	(737	)		161	$	243,084	$	(4,139	)		273	$	352,685	$	(4,876	)

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				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Taxable	$	9,120	$	6,348	$	25,067	$	17,907
Tax-exempt		5,801		6,423		17,931		20,143
Total interest income from investment securities	$	14,921	$	12,771	$	42,998	$	38,050

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Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value	$ 25,007	$ 23,459
Total losses	(764)	(1,242)
Other Real Estate Owned [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value	9,269	6,374
Total losses	(315)	(358)
Impaired Loans [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value	15,738	17,085
Total losses	(449)	(884)
Fair Value, Inputs, Level 2 [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value		14,044
Fair Value, Inputs, Level 2 [Member] | Other Real Estate Owned [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value		6,374
Fair Value, Inputs, Level 2 [Member] | Impaired Loans [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value		7,670
Fair Value, Inputs, Level 3 [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value	25,007	9,415
Fair Value, Inputs, Level 3 [Member] | Other Real Estate Owned [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value	9,269
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Note 9 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items]
Fair value	$ 15,738	$ 9,415

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Note 3 - Investment Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 3 - Investment Securities (Details) [Line Items]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	$ 1,068,036	$ 630,797
Pledged Financial Instruments, Not Separately Reported, Securities	715,879	$ 757,623
Call Option [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Note 3 - Investment Securities (Details) [Line Items]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	337,419
Call Option [Member] | US Government-sponsored Enterprises Debt Securities [Member] | Interest Coupons [Member]
Note 3 - Investment Securities (Details) [Line Items]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	$ 43,121

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Note 4 - Loans and Allowance for Credit Losses (Details) - Recorded Investment in Loans Evaluated for Impairment - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Allowance for loan losses:
Individually evaluated for impairment		$ 5,062	$ 496
Collectively evaluated for impairment		24,974	33,682
Total		30,036	34,178	$ 34,462
Carrying value of loans:
Individually evaluated for impairment		28,199	28,318
Collectively evaluated for impairment		1,538,975	1,667,300
Total		1,571,843	1,700,290
Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		4,669	4,672
Originated Loans [Member]
Carrying value of loans:
Total		1,376,905	1,470,369
Purchased Non-Covered Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		1,235	2,120
Total		1,235	2,120	2,705
Carrying value of loans:
Individually evaluated for impairment		10,008	12,364
Collectively evaluated for impairment		165,833	196,034
Total		180,298	212,843
Purchased Non-Covered Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		4,457	4,445
Purchased Covered Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		65	0
Total		65	0	0
Carrying value of loans:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		14,428	16,851
Total	[1]	14,640	17,078
Purchased Covered Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		212	227
Unallocated Financing Receivable [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		6,560	8,562
Total		6,560	8,562	12,008
Carrying value of loans:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		0	0
Total		0	0
Unallocated Financing Receivable [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		0	0
Commercial Portfolio Segment [Member]
Carrying value of loans:
Total		369,196	391,815
Commercial Portfolio Segment [Member] | Originated Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		4,477	496
Collectively evaluated for impairment		3,937	7,372
Total		8,414	7,868	6,058
Carrying value of loans:
Individually evaluated for impairment		12,327	11,811
Collectively evaluated for impairment		342,526	362,194
Total		354,853	374,005
Commercial Portfolio Segment [Member] | Originated Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		0	0
Commercial Real Estate Portfolio Segment [Member]
Carrying value of loans:
Total		669,571	718,604
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		585	0
Collectively evaluated for impairment		3,793	4,245
Total		4,378	4,245	10,063
Carrying value of loans:
Individually evaluated for impairment		5,864	2,970
Collectively evaluated for impairment		531,761	564,624
Total		537,625	567,594
Commercial Real Estate Portfolio Segment [Member] | Originated Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		0	0
Construction Portfolio Segment [Member]
Carrying value of loans:
Total		4,445	13,872
Construction Portfolio Segment [Member] | Originated Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		198	988
Total		198	988	547
Carrying value of loans:
Individually evaluated for impairment		0
Collectively evaluated for impairment		3,461	11,003
Total		3,461	11,003
Construction Portfolio Segment [Member] | Originated Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		0	0
Residential Portfolio Segment [Member]
Carrying value of loans:
Total		128,876	149,827
Residential Portfolio Segment [Member] | Originated Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		2,008	2,241
Total		2,008	2,241	392
Carrying value of loans:
Individually evaluated for impairment		0	574
Collectively evaluated for impairment		126,472	146,351
Total		126,472	146,925
Residential Portfolio Segment [Member] | Originated Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		0	0
Consumer Portfolio Segment [Member]
Carrying value of loans:
Total		399,755	426,172
Consumer Portfolio Segment [Member] | Originated Loans [Member]
Allowance for loan losses:
Individually evaluated for impairment		0	0
Collectively evaluated for impairment		7,178	8,154
Total		7,178	8,154	$ 2,689
Carrying value of loans:
Individually evaluated for impairment		0	599
Collectively evaluated for impairment		354,494	370,243
Total		354,494	370,842
Consumer Portfolio Segment [Member] | Originated Loans [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses:
Total		0	0
Carrying value of loans:
Total		$ 0	$ 0

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

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Note 3 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

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

	Investment Securities Available for Sale At September 30, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
U.S. Treasury securities	$	3,000	$	1	$	-		$	3,001
Securities of U.S. Government sponsored entities		341,038		1,381		(10	)		342,409
Residential mortgage-backed securities		19,303		1,289		(2	)		20,590
Commercial mortgage-backed securities		2,547		11		(6	)		2,552
Obligations of states and political subdivisions		152,158		9,094		(97	)		161,155
Residential collateralized mortgage obligations		199,059		438		(4,945	)		194,552
Asset-backed securities		2,350		-		(20	)		2,330
FHLMC1 and FNMA2 stock		775		5,725		-			6,500
Corporate securities		836,882		1,707		(2,750	)		835,839
Other securities		2,039		885		(142	)		2,782
Total	$	1,559,151	$	20,531	$	(7,972	)	$	1,571,710

	Investment Securities Available for Sale At December 31, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(In thousands)
U.S. Treasury securities	$	3,500	$	5	$	-		$	3,505
Securities of U.S. Government sponsored entities		635,278		937		(1,027	)		635,188
Residential mortgage-backed securities		24,647		1,776		(16	)		26,407
Commercial mortgage-backed securities		2,923		6		(10	)		2,919
Obligations of states and political subdivisions		171,907		10,015		(123	)		181,799
Residential collateralized mortgage obligations		230,347		634		(8,524	)		222,457
Asset-backed securities		8,349		-		(36	)		8,313
FHLMC1 and FNMA2 stock		775		4,393		-			5,168
Corporate securities		511,699		2,169		(1,629	)		512,239
Other securities		2,039		871		(124	)		2,786
Total	$	1,591,464	$	20,806	$	(11,489	)	$	1,600,781

Schedule of Held to Maturity Securities Reconciliation [Table Text Block]

	Investment Securities Held to Maturity At September 30, 2015
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	830	$	10	$	-		$	840
Residential mortgage-backed securities		362,925		2,194		(28	)		365,091
Commercial mortgage-backed securities		16,379		57		(174	)		16,262
Obligations of states and political subdivisions		682,818		12,486		(1,204	)		694,100
Residential collateralized mortgage obligations		215,862		2,404		(601	)		217,665
Total	$	1,278,814	$	17,151	$	(2,007	)	$	1,293,958

	Investment Securities Held to Maturity At December 31, 2014
	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Fair Value
	(In thousands)
Securities of U.S. government sponsored entities	$	1,066	$	11	$	-		$	1,077
Residential mortgage-backed securities		59,078		1,183		(137	)		60,124
Obligations of states and political subdivisions		720,189		11,350		(2,358	)		729,181
Residential collateralized mortgage obligations		258,325		2,236		(2,381	)		258,180
Total	$	1,038,658	$	14,780	$	(4,876	)	$	1,048,562

Investments Classified by Contractual Maturity Date [Table Text Block]

	At September 30, 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	$	111,972	$	112,333	$	19,012	$	19,647
Over 1 to 5 years		1,066,830		1,068,036		237,908		240,961
Over 5 to 10 years		129,133		134,756		285,130		290,517
Over 10 years		27,493		29,609		141,598		143,815
Subtotal		1,335,428		1,344,734		683,648		694,940
Mortgage-backed securities and residential collateralized mortgage obligations		220,909		217,694		595,166		599,018
Other securities		2,814		9,282		-		-
Total	$	1,559,151	$	1,571,710	$	1,278,814	$	1,293,958

	At December 31, 2014
	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	$	57,891	$	57,991	$	15,355	$	15,855
Over 1 to 5 years		629,200		630,797		228,380		230,248
Over 5 to 10 years		584,872		589,250		285,219		288,631
Over 10 years		58,770		63,006		192,301		195,524
Subtotal		1,330,733		1,341,044		721,255		730,258
Mortgage-backed securities and residential collateralized mortgage obligations		257,917		251,783		317,403		318,304
Other securities		2,814		7,954		-		-
Total	$	1,591,464	$	1,600,781	$	1,038,658	$	1,048,562

Schedule of Unrealized Loss on Investments [Table Text Block]

	Investment Securities Available for Sale At September 30, 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		1	$	4,990	$	(10	)		-	$	-	$	-			1	$	4,990	$	(10	)
Residential mortgage-backed securities		-		-		-			1		790		(2	)		1		790		(2	)
Commercial mortgage-backed securities		-		-		-			1		879		(6	)		1		879		(6	)
Obligations of states and political subdivisions		4		2,132		(31	)		5		2,503		(66	)		9		4,635		(97	)
Residential collateralized mortgage obligations		2		13,280		(245	)		29		168,927		(4,700	)		31		182,207		(4,945	)
Asset-backed securities		-		-		-			1		2,330		(20	)		1		2,330		(20	)
Corporate securities		71		379,170		(2,417	)		19		63,206		(333	)		90		442,376		(2,750	)
Other securities		-		-		-			1		1,858		(142	)		1		1,858		(142	)
Total		78	$	399,572	$	(2,703	)		57	$	240,493	$	(5,269	)		135	$	640,065	$	(7,972	)

	Investment Securities Held to Maturity At September 30, 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)
Residential mortgage-backed securities		2	$	21,047	$	(26	)		1	$	96	$	(2	)		3	$	21,143	$	(28	)
Commercial mortgage-backed securities		1		7,562		(74	)		1		6,597		(100	)		2		14,159		(174	)
Obligations of states and political subdivisions		45		29,242		(189	)		70		63,195		(1,015	)		115		92,437		(1,204	)
Residential collateralized mortgage obligations		3		15,821		(60	)		12		65,404		(541	)		15		81,225		(601	)
Total		51	$	73,672	$	(349	)		84	$	135,292	$	(1,658	)		135	$	208,964	$	(2,007	)

	Investment Securities Available for Sale At December 31, 2014
	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		15	$	253,632	$	(989	)		1	$	9,963	$	(38	)		16	$	263,595	$	(1,027	)
Residential mortgage-backed securities		-		-		-			2		822		(16	)		2		822		(16	)
Commercial mortgage-backed securities		1		942		(7	)		1		803		(3	)		2		1,745		(10	)
Obligations of states and political subdivisions		7		2,548		(18	)		17		5,518		(105	)		24		8,066		(123	)
Residential collateralized mortgage obligations		-		-		-			32		205,074		(8,524	)		32		205,074		(8,524	)
Asset-backed securities		1		5,008		(7	)		1		3,305		(29	)		2		8,313		(36	)
Corporate securities		53		165,026		(1,304	)		5		34,222		(325	)		58		199,248		(1,629	)
Other securities		-		-		-			1		1,876		(124	)		1		1,876		(124	)
Total		77	$	427,156	$	(2,325	)		60	$	261,583	$	(9,164	)		137	$	688,739	$	(11,489	)

	Investment Securities Held to Maturity At December 31, 2014
	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)
Residential mortgage-backed securities		4	$	19,467	$	(132	)		1	$	201	$	(5	)		5	$	19,668	$	(137	)
Obligations of states and political subdivisions		103		76,202		(439	)		138		123,370		(1,919	)		241		199,572		(2,358	)
Residential collateralized mortgage obligations		5		13,932		(166	)		22		119,513		(2,215	)		27		133,445		(2,381	)
Total		112	$	109,601	$	(737	)		161	$	243,084	$	(4,139	)		273	$	352,685	$	(4,876	)

Interest Income from Investments [Table Text Block]

	For the Three Months				For the Nine Months
	Ended September 30,
	2015		2014		2015		2014
	(In thousands)
Taxable	$	9,120	$	6,348	$	25,067	$	17,907
Tax-exempt		5,801		6,423		17,931		20,143
Total interest income from investment securities	$	14,921	$	12,771	$	42,998	$	38,050