Note 6 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of AFS and HTM Reconciliation [Table Text Block]

March 31, 2017 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	95,120	$	168	$	405	$	94,883
Obligations of states and political subdivisions		130,412		857		1,674		129,595
Mortgage-backed securities – residential		213,588		1,335		2,284		212,639
Mortgage-backed securities – commercial		49,039		1		1,505		47,535
Corporate debt securities		7,627		1		235		7,393
Mutual funds and equity securities		827		38		4		861
Total securities – available for sale	$	496,613	$	2,400	$	6,107	$	492,906
Held To Maturity
Obligations of states and political subdivisions	$	3,475	$	125	$	-	$	3,600

December 31, 2016 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	71,941	$	213	$	460	$	71,694
Obligations of states and political subdivisions		134,055		773		2,536		132,292
Mortgage-backed securities – residential		225,489		1,505		2,687		224,307
Mortgage-backed securities – commercial		47,164		6		1,557		45,613
Corporate debt securities		6,565		1		441		6,125
Mutual funds and equity securities		824		20		11		833
Total securities – available for sale	$	486,038	$	2,518	$	7,692	$	480,864
Held To Maturity
Obligations of states and political subdivisions	$	3,488	$	109	$	-	$	3,597

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available For Sale				Held To Maturity
	Amortized		Estimated		Amortized		Estimated
March 31, 2017 (In thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	46,954	$	46,994	$	-	$	-
Due after one year through five years		84,708		84,923		-		-
Due after five years through ten years		80,396		79,302		570		621
Due after ten years		21,101		20,652		2,905		2,979
Mortgage-backed securities		262,627		260,174		-		-
Total	$	495,786	$	492,045	$	3,475	$	3,600

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

	Three Months Ended
	March 31 ,
(In thousands)	2017			2016
Gross realized gains	$	-		$	162
Gross realized losses		9			79
Net realized (loss) gain	$	(9	)	$	83

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
March 31, 2017 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	49,292	$	405	$	-	$	-	$	49,292	$	405
Obligations of states and political subdivisions		73,875		1,666		1,650		8		75,525		1,674
Mortgage-backed securities – residential		152,605		2,078		5,522		206		158,127		2,284
Mortgage-backed securities – commercial		46,319		1,505		-		-		46,319		1,505
Corporate debt securities		1,563		4		5,688		231		7,251		235
Mutual funds and equity securities		-		-		248		4		248		4
Total	$	323,654	$	5,658	$	13,108	$	449	$	336,762	$	6,107

	Less than 12 Months						12 Months or More		Total
December 31, 2016 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	51,657	$	460	$	-	$	-	$	51,657	$	460
Obligations of states and political subdivisions		91,728		2,526		1,999		10		93,727		2,536
Mortgage-backed securities – residential		154,397		2,485		5,841		202		160,238		2,687
Mortgage-backed securities – commercial		43,309		1,557		-		-		43,309		1,557
Corporate debt securities		536		6		5,476		435		6,012		441
Mutual funds and equity securities		128		2		113		9		241		11
Total	$	341,755	$	7,036	$	13,429	$	656	$	355,184	$	7,692