Note 6 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of AFS and HTM Reconciliation [Table Text Block]

September 30, 2014 (In thousands)	Amortized Cost		Gross UnrealizedGains		Gross UnrealizedLosses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	99,069	$	241	$	1,436	$	97,874
Obligations of states and political subdivisions		133,097		2,936		443		135,590
Mortgage-backed securities – residential		372,455		7,002		2,636		376,821
Mortgage-backed securities – commercial		737		-		26		711
Corporate debt securities		6,728		34		303		6,459
Mutual funds and equity securities		918		9		7		920
Total securities – available for sale	$	613,004	$	10,222	$	4,851	$	618,375
Held To Maturity
Obligations of states and political subdivisions	$	3,801	$	176	$	-	$	3,977

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
September 30, 2014 (In thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	8,565	$	8,590	$	-	$	-
Due after one year through five years		128,067		128,821		-		-
Due after five years through ten years		85,755		86,111		765		855
Due after ten years		16,507		16,401		3,036		3,122
Mortgage-backed securities		373,192		377,532		-		-
Total	$	612,086	$	617,455	$	3,801	$	3,977

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2014		2013		2014			2013
Gross realized gains	$	8	$	3	$	186		$	6
Gross realized losses		-		1		253			64
Net realized gain (loss)	$	8	$	2	$	(67	)	$	(58	)

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
September 30, 2014 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	8,609	$	32	$	66,628	$	1,404	$	75,237	$	1,436
Obligations of states and political subdivisions		11,006		20		25,704		423		36,710		443
Mortgage-backed securities – residential		72,689		315		96,817		2,321		169,506		2,636
Mortgage-backed securities – commercial		-		-		711		26		711		26
Corporate debt securities		52		1		5,574		302		5,626		303
Mutual funds and equity securities		39		1		100		6		139		7
Total	$	92,395	$	369	$	195,534	$	4,482	$	287,929	$	4,851

	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