Note 7 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2013

Investments, Debt and Equity Securities [Abstract]

Schedule of AFS and HTM Reconciliation [Table Text Block]

June 30, 2013 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	80,211	$	71	$	2,357	$	77,925
Obligations of states and political subdivisions		129,786		2,286		2,371		129,701
Mortgage-backed securities – residential		345,694		5,117		4,466		346,345
Corporate debt securities		6,898		37		1,098		5,837
Mutual funds and equity securities		1,701		19		22		1,698
Total securities – available for sale	$	564,290	$	7,530	$	10,314	$	561,506
Held To Maturity
Obligations of states and political subdivisions	$	820	$	90	$	-	$	910

December 31, 2012 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	75,945	$	216	$	66	$	76,095
Obligations of states and political subdivisions		113,986		4,943		174		118,755
Mortgage-backed securities – residential		360,099		10,596		256		370,439
Corporate debt securities		6,638		44		856		5,826
Mutual funds and equity securities		1,962		33		2		1,993
Total securities – available for sale	$	558,630	$	15,832	$	1,354	$	573,108
Held To Maturity
Obligations of states and political subdivisions	$	820	$	136	$	-	$	956

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available For Sale				Held To Maturity
June 30, 2013 (In thousands)	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	2,272	$	2,223	$	-	$	-
Due after one year through five years		83,752		83,541		-		-
Due after five years through ten years		111,629		109,743		-		-
Due after ten years		19,242		17,956		820		910
Mortgage-backed securities		345,694		346,345		-		-
Total	$	562,589	$	559,808	$	820	$	910

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

	Three Months Ended June 30,					Six Months Ended June 30,
(In thousands)	2013			2012		2013			2012
Gross realized gains	$	3		$	688	$	3		$	695
Gross realized losses		63			3		63			7
Net realized (loss) gain	$	(60	)	$	685	$	(60	)	$	688

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
June 30, 2013 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	68,823	$	2,357	$	-	$	-	$	68,823	$	2,357
Obligations of states and political subdivisions		63,463		2,338		623		33		64,086		2,371
Mortgage-backed securities – residential		174,116		4,441		873		25		174,989		4,466
Corporate debt securities		255		4		4,764		1,094		5,019		1,098
Mutual funds and equity securities		723		22		-		-		723		22
Total	$	307,380	$	9,162	$	6,260	$	1,152	$	313,640	$	10,314

	Less than 12 Months				12 Months or More				Total
December 31, 2012 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	26,433	$	66	$	-	$	-	$	26,433	$	66
Obligations of states and political subdivisions		17,199		174		-		-		17,199		174
Mortgage-backed securities – residential		39,659		256		-		-		39,659		256
Corporate debt securities		-		-		4,994		856		4,994		856
Mutual funds and equity securities		299		2		-		-		299		2
Total	$	83,590	$	498	$	4,994	$	856	$	88,584	$	1,354