Note 6 - Investment Securities (Tables)

6 Months Ended

18 Months Ended

Jun. 30, 2012

Jun. 30, 2012

Schedule of AFS and HTM Reconciliation [Table Text Block]

June 30, 2012 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	76,264	$	285	$	10	$	76,539
Obligations of states and political subdivisions		98,655		4,385		85		102,955
Mortgage-backed securities – residential		417,417		12,051		124		429,344
Mortgage-backed securities – commercial		30		-		-		30
Mutual funds and equity securities		1,451		16		13		1,454
Corporate debt securities		7,993		47		1,506		6,534
Total securities – available for sale	$	601,810	$	16,784	$	1,738	$	616,856
Held To Maturity
Obligations of states and political subdivisions	$	875	$	122	$	-	$	997

December 31, 2011 (In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Available For Sale
Obligations of U.S. government-sponsored entities	$	95,770	$	408	$	15	$	96,163
Obligations of states and political subdivisions		80,801		3,903		85		84,619
Mortgage-backed securities – residential		397,675		11,384		196		408,863
Mortgage-backed securities – commercial		203		6		-		209
Mutual funds and equity securities		1,601		-		-		1,601
Corporate debt securities		7,901		-		1,537		6,364
Total securities – available for sale	$	583,951	$	15,701	$	1,833	$	597,819
Held To Maturity
Obligations of states and political subdivisions	$	875	$	99	$	-	$	974

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available For Sale				Held To Maturity
June 30, 2012 (In thousands)	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	11,273	$	11,262	$	-	$	-
Due after one year through five years		73,957		74,672		-		-
Due after five years through ten years		76,922		80,197		-		-
Due after ten years		20,760		19,897		875		997
Mortgage-backed securities		417,447		429,374		-		-
Total	$	600,359	$	615,402	$	875	$	997

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

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2012		2011		2012		2011
Gross realized gains	$	688	$	413	$	695	$	826
Gross realized losses		3		-		7		3
Net realized gains	$	685	$	413	$	688	$	823

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months				12 Months or More				Total
June 30, 2012 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	9,140	$	10	$	-	$	-	$	9,140	$	10
Obligations of states and political subdivisions		7,259		66		6,503		19		13,762		85
Mortgage-backed securities – residential		51,131		124		-		-		51,131		124
Mutual funds and equity securities		664		13		-		-		664		13
Corporate debt securities		351		4		4,341		1,502		4,692		1,506
Total	$	68,545	$	217	$	10,844	$	1,521	$	79,389	$	1,738

	Less than 12 Months				12 Months or More				Total
December 31, 2011 (In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government-sponsored entities	$	13,494	$	15	$	-	$	-	$	13,494	$	15
Obligations of states and political subdivisions		2,913		20		6,886		65		9,799		85
Mortgage-backed securities – residential		56,249		196		-		-		56,249		196
Corporate debt securities		-		-		4,299		1,537		4,299		1,537
Total	$	72,656	$	231	$	11,185	$	1,602	$	83,841	$	1,833