Note 6 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of AFS and HTM Reconciliation [Table Text Block]

June 30, 2016 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	127,090	$	1,098	$	1	$	128,187
Obligations of states and political subdivisions		129,594		3,314		25		132,883
Mortgage-backed securities – residential		279,691		7,788		88		287,391
Mortgage-backed securities – commercial		24,890		433		-		25,323
Corporate debt securities		6,815		13		963		5,865
Mutual funds and equity securities		804		8		14		798
Total securities – available for sale	$	568,884	$	12,654	$	1,091	$	580,447
Held To Maturity
Obligations of states and political subdivisions	$	3,585	$	246	$	-	$	3,831

December 31, 2015 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	107,135	$	309	$	538	$	106,906
Obligations of states and political subdivisions		147,875		2,604		213		150,266
Mortgage-backed securities – residential		294,140		5,210		1,489		297,861
Mortgage-backed securities – commercial		20,655		52		123		20,584
Corporate debt securities		6,629		11		800		5,840
Mutual funds and equity securities		814		-		69		745
Total securities – available for sale	$	577,248	$	8,186	$	3,232	$	582,202
Held To Maturity
Obligations of states and political subdivisions	$	3,611	$	198	$	-	$	3,809

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available For Sale				Held To Maturity
	Amortized		Estimated		Amortized		Estimated
June 30, 2016 (In thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	9,601	$	9,638	$	-	$	-
Due after one year through five years		164,845		166,712		-		-
Due after five years through ten years		69,820		72,025		640		743
Due after ten years		19,233		18,560		2,945		3,088
Mortgage-backed securities		304,581		312,714		-		-
Total	$	568,080	$	579,649	$	3,585	$	3,831

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

	Three Months Ended				Six Months Ended
	June 30 ,				June 30,
(In thousands)	2016		2015		2016		2015
Gross realized gains	$	190	$	50	$	352	$	180
Gross realized losses		59		5		138		15
Net realized gain	$	131	$	45	$	214	$	165

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
June 30, 2016 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	3,411	$	1	$	-	$	-	$	3,411	$	1
Obligations of states and political subdivisions		11,971		22		1,681		3		13,652		25
Mortgage-backed securities – residential		3,390		7		7,100		81		10,490		88
Corporate debt securities		-		-		4,940		963		4,940		963
Mutual funds and equity securities		126		4		193		10		319		14
Total	$	18,898	$	34	$	13,914	$	1,057	$	32,812	$	1,091

	Less than 12 Months				12 Months or More				Total
December 31, 2015 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	57,927	$	275	$	21,576	$	263	$	79,503	$	538
Obligations of states and political subdivisions		30,426		123		8,276		90		38,702		213
Mortgage-backed securities – residential		118,978		851		21,723		638		140,701		1,489
Mortgage-backed securities – commercial		10,882		123		-		-		10,882		123
Corporate debt securities		204		6		5,155		794		5,359		800
Mutual funds and equity securities		481		21		264		48		745		69
Total	$	218,898	$	1,399	$	56,994	$	1,833	$	275,892	$	3,232