Investment Securities (Tables)

9 Months Ended

Sep. 30, 2012

Investment Securities [Abstract]

Amortized Cost, Unrealized Gains And Losses, And Fair Value Of Investment Securities

September 30, 2012
(in thousands)
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	45,517	$	462	$	(1)	$	45,978
Obligations of states and political subdivisions		247,175		18,887		(11)		266,051
Residential mortgage-backed securities and
collateralized mortgage obligations		2,551,150		41,226		(7,364)		2,585,012
Other debt securities		143		67		-		210
Investments in mutual funds and
other equity securities		1,959		151		-		2,110
	$	2,845,944	$	60,793	$	(7,376)	$	2,899,361
HELD TO MATURITY:
Obligations of states and political subdivisions	$	1,260	$	3	$	-	$	1,263
Residential mortgage-backed securities and
collateralized mortgage obligations		4,099		102		(100)		4,101
	$	5,359	$	105	$	(100)	$	5,364

December 31, 2011
(in thousands)
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	117,232	$	1,234	$	(1)	$	118,465
Obligations of states and political subdivisions		237,302		16,264		(13)		253,553
Residential mortgage-backed securities and
collateralized mortgage obligations		2,755,153		43,152		(3,950)		2,794,355
Other debt securities		151		-		(17)		134
Investments in mutual funds and
other equity securities		1,959		112		-		2,071
	$	3,111,797	$	60,762	$	(3,981)	$	3,168,578
HELD TO MATURITY:
Obligations of states and political subdivisions	$	1,335	$	2	$	-	$	1,337
Residential mortgage-backed securities and
collateralized mortgage obligations		3,379		120		(77)		3,422
	$	4,714	$	122	$	(77)	$	4,759

Schedule Of Fair Value And Unrealized Losses Of Securities

September 30, 2012
(in thousands)
	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	-	$	-	$	65	$	1	$	65	$	1
Obligations of states and political subdivisions		6,420		11		-		-		6,420		11
Residential mortgage-backed securities and
collateralized mortgage obligations		642,161		5,951		128,363		1,413		770,524		7,364
Total temporarily impaired securities	$	648,581	$	5,962	$	128,428	$	1,414	$	777,009	$	7,376
HELD TO MATURITY:
Residential mortgage-backed securities and
collateralized mortgage obligations	$	-	$	-	$	631	$	100	$	631	$	100
Total temporarily impaired securities	$	-	$	-	$	631	$	100	$	631	$	100

Unrealized losses on the impaired held to maturity collateralized mortgage obligations include the unrealized losses related to factors other than credit that are included in other comprehensive income.

December 31, 2011
(in thousands)
	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	-	$	-	$	85	$	1	$	85	$	1
Obligations of states and political subdivisions		516		13		-		-		516		13
Residential mortgage-backed securities and
collateralized mortgage obligations		489,475		3,160		52,222		790		541,697		3,950
Other debt securities		-		-		134		17		134		17
Total temporarily impaired securities	$	489,991	$	3,173	$	52,441	$	808	$	542,432	$	3,981
HELD TO MATURITY:
Residential mortgage-backed securities and
collateralized mortgage obligations	$	-	$	-	$	602	$	77	$	602	$	77
Total temporarily impaired securities	$	-	$	-	$	602	$	77	$	602	$	77

Schedule Of Maturities Of Investment Securities

(in thousands)
	Available For Sale				Held To Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
AMOUNTS MATURING IN:
Three months or less	$	33,293	$	33,500	$	295	$	296
Over three months through twelve months		302,638		305,841		300		301
After one year through five years		1,961,957		1,997,457		41		43
After five years through ten years		435,999		447,235		188		203
After ten years		110,098		113,218		4,535		4,521
Other investment securities		1,959		2,110		-		-
	$	2,845,944	$	2,899,361	$	5,359	$	5,364

Gross Realized Gains And Losses On Sales Of Available-For-Sale Securities

(in thousands)
	Three months ended				Three months ended
	September 30, 2012				September 30, 2011
	Gains		Losses		Gains		Losses
U.S. Treasury and agencies	$	-	$	-	$	-	$	-
Obligations of states and political subdivisions		8		-		-		-
Residential mortgage-backed securities and
collateralized mortgage obligations		-		-		1,827		14
Other debt securities		13		-		-		-
	$	21	$	-	$	1,827	$	14

(in thousands)
	Nine months ended				Nine months ended
	September 30, 2012				September 30, 2011
	Gains		Losses		Gains		Losses
U.S. Treasury and agencies	$	371	$	-	$	-	$	-
Obligations of states and political subdivisions		10		1		7		-
Residential mortgage-backed securities and
collateralized mortgage obligations		1,484		683		8,301		817
Other debt securities		18		-		-		-
	$	1,883	$	684	$	8,308	$	817

Investment Securities Pledged To Secure Borrowings And Public Deposits

(in thousands)
	Amortized		Fair
	Cost		Value
To Federal Home Loan Bank to secure borrowings	$	84,637	$	86,869
To state and local governments to secure public deposits		799,228		820,156
Other securities pledged principally to secure repurchase agreements		208,148		209,648
Total pledged securities	$	1,092,013	$	1,116,673