Note 6 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of AFS and HTM Reconciliation [Table Text Block]

September 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	$	75,804	$	682	$	8	$	76,478
Obligations of states and political subdivisions		118,699		1,987		148		120,538
Mortgage-backed securities – residential		226,653		3,849		279		230,223
Mortgage-backed securities – commercial		40,209		181		151		40,239
Corporate debt securities		6,815		13		702		6,126
Mutual funds and equity securities		807		17		9		815
Total securities – available for sale	$	468,987	$	6,729	$	1,297	$	474,419
Held To Maturity
Obligations of states and political subdivisions	$	3,572	$	229	$	-	$	3,801

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
September 30, 2016 (In thousands)	Cost		Fair Value		Cost		Fair Value
Due in one year or less	$	13,318	$	13,343	$	-	$	-
Due after one year through five years		92,602		93,694		-		-
Due after five years through ten years		77,762		78,931		640		737
Due after ten years		17,636		17,174		2,932		3,064
Mortgage-backed securities		266,862		270,462		-		-
Total	$	468,180	$	473,604	$	3,572	$	3,801

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

	Three Months Ended					Nine Months Ended
	September 30 ,					September 30,
(In thousands)	2016		2015			2016		2015
Gross realized gains	$	3,829	$	5		$	4,181	$	185
Gross realized losses		53		7			191		22
Net realized gain	$	3,776	$	(2	)	$	3,990	$	163

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
September 30, 2016 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	16,613	$	8	$	-	$	-	$	16,613	$	8
Obligations of states and political subdivisions		31,264		145		1,215		3		32,479		148
Mortgage-backed securities – residential		44,381		213		6,460		66		50,841		279
Mortgage-backed securities – commercial		18,029		151		-		-		18,029		151
Corporate debt securities		-		-		5,205		702		5,205		702
Mutual funds and equity securities		128		2		116		7		244		9
Total	$	110,415	$	519	$	12,996	$	778	$	123,411	$	1,297

	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