Note 6 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of AFS and HTM Reconciliation [Table Text Block]

September 3 0 , 2017 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	72,945	$	132	$	337	$	72,740
Obligations of states and political subdivisions		121,403		1,021		837		121,587
Mortgage-backed securities – residential		200,058		1,360		1,819		199,599
Mortgage-backed securities – commercial		46,173		1		1,114		45,060
Corporate debt securities		7,576		51		3		7,624
Mutual funds and equity securities		840		65		-		905
Total securities – available for sale	$	448,995	$	2,630	$	4,110	$	447,515
Held To Maturity
Obligations of states and political subdivisions	$	3,448	$	149	$	-	$	3,597

December 31, 201 6 (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
September 3 0 , 2017 (In thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	30,884	$	30,911	$	-	$	-
Due after one year through five years		71,412		71,703		-		-
Due after five years through ten years		76,611		76,197		1,302		1,402
Due after ten years		23,017		23,140		2,146		2,195
Mortgage-backed securities		246,231		244,659		-		-
Total	$	448,155	$	446,610	$	3,448	$	3,597

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

	Three Months Ended				Nine Months Ended
	September 30 ,				September 30,
(In thousands)	20 17		20 16		2017			2016
Gross realized gains	$	3	$	3,829	$	3		$	4,181
Gross realized losses		-		53		10			191
Net realized gain (loss)	$	3	$	3,776	$	(7	)	$	3,990

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
September 3 0 , 2017 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	42,246	$	191	$	11,570	$	146	$	53,816	$	337
Obligations of states and political subdivisions		26,809		162		32,799		675		59,608		837
Mortgage-backed securities – residential		93,192		642		55,308		1,177		148,500		1,819
Mortgage-backed securities – commercial		12,366		109		29,900		1,005		42,266		1,114
Corporate debt securities		2,992		3		-		-		2,992		3
Total	$	177,605	$	1,107	$	129,577	$	3,003	$	307,182	$	4,110

	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