Note 6 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of AFS and HTM Reconciliation [Table Text Block]

June 30, 2017 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	79,734	$	160	$	377	$	79,517
Obligations of states and political subdivisions		126,308		1,128		863		126,573
Mortgage-backed securities – residential		202,825		1,339		2,001		202,163
Mortgage-backed securities – commercial		48,003		9		1,186		46,826
Corporate debt securities		7,575		94		3		7,666
Mutual funds and equity securities		836		42		3		875
Total securities – available for sale	$	465,281	$	2,772	$	4,433	$	463,620
Held To Maturity
Obligations of states and political subdivisions	$	3,461	$	156	$	-	$	3,617

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
June 30, 2017 (In thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	32,117	$	32,149	$	-	$	-
Due after one year through five years		72,712		73,016		-		-
Due after five years through ten years		84,313		84,005		1,302		1,407
Due after ten years		24,475		24,586		2,159		2,210
Mortgage-backed securities		250,828		248,989		-		-
Total	$	464,445	$	462,745	$	3,461	$	3,617

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

	Three Months Ended					Six Months Ended
	June 30 ,					June 30,
(In thousands)	2017			2016		2017			2016
Gross realized gains	$	-		$	190	$	-		$	352
Gross realized losses		1			59		10			138
Net realized (loss) gain	$	(1	)	$	131	$	(10	)	$	214

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
June 30, 2017 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	57,666	$	369	$	1,992	$	8	$	59,658	$	377
Obligations of states and political subdivisions		57,732		765		4,838		98		62,570		863
Mortgage-backed securities – residential		142,716		1,783		8,567		218		151,283		2,001
Mortgage-backed securities – commercial		42,997		1,186		-		-		42,997		1,186
Corporate debt securities		1,311		3		-		-		1,311		3
Mutual funds and equity securities		-		-		120		3		120		3
Total	$	302,422	$	4,106	$	15,517	$	327	$	317,939	$	4,433

	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