Investment Securities (Tables)

6 Months Ended

Jun. 30, 2011

Investment Securities [Abstract]

Schedule Of Investment Securities

(in thousands)
June 30, 2011 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	$	308,300	$	1,754	$	1,399	$	308,655
Obligations of states and political subdivisions		4,996		113		-		5,109
U.S. Government sponsored entities asset-backed securities		792,977		12,374		3,427		801,924
Other equity securities		938		814		43		1,709
Total	$	1,107,211	$	15,055	$	4,869	$	1,117,397
June 30, 2011 Securities Held-to-Maturity	Amortized Cost		Gross Unrecognized Holding Gains		Gross Unrecognized Holding Losses		Estimated Fair Value
Obligations of states and political subdivisions	$	2,077	$	5	$	-	$	2,082
U.S. Government sponsored entities asset-backed securities		773,234		16,083		5,177		784,140
Total	$	775,311	$	16,088	$	5,177	$	786,222

(in thousands)
December 31, 2010 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
December 31, 2010 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

(in thousands)	Less than 12 months				12 months or longer				Total
June 30, 2011 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	$	74,936	$	1,399	$	-	$	-	$	74,936	$	1,399
U.S. Government sponsored entities asset-backed securities		407,954		3,427		-		-		407,954		3,427
Other equity securities		81		30		215		13		296		43
Total	$	482,971	$	4,856	$	215	$	13	$	483,186	$	4,869
June 30, 2011 Securities Held-to-Maturity
U.S. Government sponsored entities asset-backed securities	$	312,382	$	5,177	$	-	$	-	$	312,382	$	5,177

(in thousands)	Less than 12 months				12 months or longer				Total
December 31, 2010 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
December 31, 2010 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	$	211,965	$	213,429
Due one through five years		-		-
Due five through ten years		96,335		95,226
Total	$	308,300	$	308,655
Obligations of states and political subdivisions:
Due within one year	$	3,695	$	3,712
Due one through five years		1,301		1,397
Total	$	4,996	$	5,109
U.S. Government sponsored entities asset-backed securities:
Total	$	792,977	$	801,924
(in thousands)	Amortized cost		Fair value
Securities Held-to-Maturity
Obligations of state and political subdivisions:
Due within one year	$	2,077	$	2,082
Total	$	2,077	$	2,082
U.S. Government sponsored entities asset-backed securities:
Total	$	773,234	$	784,140