Investment Securities (Tables)

9 Months Ended

Sep. 30, 2011

Investment Securities [Abstract]

Schedule Of Investment Securities

Securities Available-for-Sale	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses		Estimated Fair Value
Obligations of U.S. Treasury and other U.S. Government sponsored entities	$	223,459	$	1,358	$	-	$	224,817
Obligations of states and political subdivisions		3,615		109		-		3,724
U.S. Government sponsored entities asset-backed securities		544,648		22,100		-		566,748
Other equity securities		1,188		717		31		1,874
Total	$	772,910	$	24,284	$	31	$	797,163

Securities Held-to-Maturity	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses		Estimated Fair Value
Obligations of states and political subdivisions	$	1,992	$	7	$	-	$	1,999
U.S. Government sponsored entities asset-backed securities		841,584		17,971		185		859,370
Total	$	843,576	$	17,978	$	185	$	861,369

Securities Available-for-Sale	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses		Estimated fair value
Obligations of U.S. Treasury and other U.S. Government sponsored entities	$	272,301	$	2,968	$	1,956	$	273,313
Obligations of states and political subdivisions		10,815		281		52		11,044
U.S. Government sponsored entities asset-backed securities		990,204		30,633		9,425		1,011,412
Other equity securities		938		858		43		1,753
Total	$	1,274,258	$	34,740	$	11,476	$	1,297,522

Securities Held-to-Maturity	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses		Estimated fair value
Obligations of states and political subdivisions	$	3,167	$	7	$	-	$	3,174
U.S. Government sponsored entities asset-backed securities		670,403		17,157		4,620		682,940
Total	$	673,570	$	17,164	$	4,620	$	686,114

Schedule Of Unrealized Loss On Securities

	Less than 12 months				12 months or longer				Total
Securities Available-for-Sale	Fair value		Unrealized losses		Fair value		Unrealized losses		Fair value		Unrealized losses
Other equity securities	$	-	$	-	$	80	$	31	$	80	$	31
Securities Held-to-Maturity
U.S. Government sponsored entities asset-backed securities	$	107,352	$	185	$	-	$	-	$	107,352	$	185

	Less than 12 months					12 months or longer					Total
Securities Available-for-Sale		Fair value		Unrealized losses			Fair value		Unrealized losses			Fair value		Unrealized losses
Obligations of U.S. Treasury and other U.S. Government sponsored entities		$	74,379	$	1,956		$	-	$	-		$	74,379	$	1,956
Obligations of states and political   subdivisions			1,459		52								1,459		52
U.S. Government sponsored entities asset-backed securities			418,156		9,425			-		-			418,156		9,425
Other equity securities			74		29			221		14			295		43
Total		$	494,068	$	11,462		$	221	$	14		$	494,289	$	11,476
Securities Held-to-Maturity
U.S. Government sponsored entities asset-backed securities		$	297,584	$	4,620		$	-	$	-		$	297,584	$	4,620

Amortized Cost And Estimated Fair Value Of Investments In Debt Securities By Contractual Maturity

(in thousands)	Amortized cost		Fair value
Securities Available-for-Sale
U.S. Treasury and sponsored entities notes:
Due within one year	$	223,459	$	224,817
Total	$	223,459	$	224,817
Obligations of states and political subdivisions:
Due within one year	$	2,315	$	2,327
Due one through five years		1,300		1,397
	$	3,615	$	3,724
U.S. Government sponsored entities asset-backed securities:
Total	$	544,648	$	566,748

(in thousands)	Amortized cost		Fair value
Securities Held-to-Maturity
Obligations of state and political subdivisions:
Due within one year	$	1,992	$	1,999
Total	$	1,992	$	1,999
U.S. Government sponsored entities asset-backed securities:
Total	$	841,584	$	859,370