Note 7 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of AFS and HTM Reconciliation [Table Text Block]

March 31, 2013 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	82,912	$	165	$	137	$	82,940
Obligations of states and political subdivisions		122,307		4,462		279		126,490
Mortgage-backed securities – residential		342,424		9,810		416		351,818
Corporate debt securities		7,133		50		647		6,536
Mutual funds and equity securities		1,482		38		2		1,518
Total securities – available for sale	$	556,258	$	14,525	$	1,481	$	569,302
Held To Maturity
Obligations of states and political subdivisions	$	820	$	128	$	-	$	948

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
March 31, 2013 (In thousands)	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,028	$	1,035	$	-	$	-
Due after one year through five years		74,413		75,501		-		-
Due after five years through ten years		110,584		113,299		-		-
Due after ten years		26,327		26,131		820		948
Mortgage-backed securities		342,424		351,818		-		-
Total	$	554,776	$	567,784	$	820	$	948

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

	Three Months Ended March 31,
(In thousands)	2013		2012
Gross realized gains	$	-	$	7
Gross realized losses		-		4
Net realized gains	$	-	$	3

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
March 31, 2013 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	51,075	$	137	$	-	$	-	$	51,075	$	137
Obligations of states and political subdivisions		27,361		278		220		1		27,581		279
Mortgage-backed securities – residential		36,169		416		-		-		36,169		416
Corporate debt securities		382		2		5,211		645		5,593		647
Mutual funds and equity securities		261		2		-		-		261		2
Total	$	115,248	$	835	$	5,431	$	646	$	120,679	$	1,481

	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