Note 6 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of AFS and HTM Reconciliation [Table Text Block]

June 30, 2014 (In thousands)	Amortized Cost		Gross UnrealizedGains		Gross UnrealizedLosses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	98,241	$	292	$	1,303	$	97,230
Obligations of states and political subdivisions		130,947		2,920		586		133,281
Mortgage-backed securities – residential		370,687		8,777		1,945		377,519
Mortgage-backed securities – commercial		741		-		26		715
Corporate debt securities		6,925		45		478		6,492
Mutual funds and equity securities		992		28		1		1,019
Total securities – available for sale	$	608,533	$	12,062	$	4,339	$	616,256
Held To Maturity
Obligations of states and political subdivisions	$	3,814	$	149	$	-	$	3,963

December 31, 2013 (In thousands)	Amortized Cost		Gross UnrealizedGains		Gross UnrealizedLosses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	96,750	$	155	$	3,155	$	93,750
Obligations of states and political subdivisions		132,311		2,056		2,397		131,970
Mortgage-backed securities – residential		379,238		5,071		6,232		378,077
Mortgage-backed securities – commercial		748		-		59		689
Corporate debt securities		7,266		40		1,049		6,257
Mutual funds and equity securities		2,082		15		20		2,077
Total securities – available for sale	$	618,395	$	7,337	$	12,912	$	612,820
Held To Maturity
Obligations of states and political subdivisions	$	765	$	62	$	-	$	827

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available For Sale				Held To Maturity
	Amortized		Estimated		Amortized		Estimated
June 30, 2014 (In thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	8,368	$	8,391	$	-	$	-
Due after one year through five years		123,957		124,798		-		-
Due after five years through ten years		86,163		86,514		765		846
Due after ten years		17,625		17,300		3,049		3,117
Mortgage-backed securities		371,428		378,234		-		-
Total	$	607,541	$	615,237	$	3,814	$	3,963

Realized Gain (Loss) on Investments [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(In thousands)	2014			2013			2014			2013
Gross realized gains	$	19		$	3		$	178		$	3
Gross realized losses		103			63			253			63
Net realized loss	$	(84	)	$	(60	)	$	(75	)	$	(60	)

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
June 30, 2014 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	3,391	$	12	$	66,769	$	1,291	$	70,160	$	1,303
Obligations of states and political subdivisions		9,739		17		31,756		569		41,495		586
Mortgage-backed securities – residential		10,303		37		101,240		1,908		111,543		1,945
Mortgage-backed securities – commercial		-		-		715		26		715		26
Corporate debt securities		-		-		5,395		478		5,395		478
Mutual funds and equity securities		-		-		154		1		154		1
Total	$	23,433	$	66	$	206,029	$	4,273	$	229,462	$	4,339

	Less than 12 Months				12 Months or More				Total
December 31, 2013 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	65,094	$	2,434	$	11,830	$	721	$	76,924	$	3,155
Obligations of states and political subdivisions		48,715		1,594		15,095		803		63,810		2,397
Mortgage-backed securities – residential		219,032		5,199		16,306		1,033		235,338		6,232
Mortgage-backed securities – commercial		689		59		-		-		689		59
Corporate debt securities		80		-		4,816		1,049		4,896		1,049
Mutual funds and equity securities		716		17		22		3		738		20
Total	$	334,326	$	9,303	$	48,069	$	3,609	$	382,395	$	12,912