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INVESTMENT SECURITIES (Tables)

6 Months Ended

Jun. 30, 2012

INVESTMENT SECURITIES

Summary of available for sale and held to maturity investment securities

					Gross			Gross			Estimated
		Amortized			unrealized			unrealized			fair
		cost			gains			losses			value
		(Dollars in thousands)
June 30, 2012
Available for Sale
U.S. Government sponsored entities debt securities		$	354,145		$	3,148		$	—		$	357,293
States and political subdivisions debt securities		91,369			1,562			(407		)	92,524
U.S. Government sponsored entities mortgage-backed securities		1,115,487			19,227			(1,864		)	1,132,850
Corporate securities		48,448			585			(45		)	48,988
Other		848			21			—			869
Total		$	1,610,297		$	24,543		$	(2,316	)	$	1,632,524

Held to Maturity
U.S. Government sponsored entities mortgage-backed securities		$	487		$	8		$	—		$	495

December 31, 2011
Available for Sale
U.S. Government sponsored entities debt securities		$	370,184		$	2,993		$	—		$	373,177
States and political subdivisions debt securities		12,265			729			—			12,994
U.S. Government sponsored entities mortgage-backed securities		1,077,146			20,981			(825		)	1,097,302
Corporate securities		8,403			148			—			8,551
Other		985			—			(15		)	970
Total		$	1,468,983		$	24,851		$	(840	)	$	1,492,994

Held to Maturity
U.S. Government sponsored entities mortgage-backed securities		$	931		$	45		$	—		$	976

Schedule of amortized cost and estimated fair value of investment securities by contractual maturity

		June 30, 2012
		Amortized Cost			Estimated Fair Value
		(Dollars in thousands)
Available for Sale
Due in one year or less		$	180,546		$	181,200
Due after one year through five years		202,455			205,522
Due after five years through ten years		34,324			35,004
Due after ten years		76,637			77,079
Mortage-backed securities		1,115,487			1,132,850
Other		848			869
Total		$	1,610,297		$	1,632,524

Held to Maturity
Mortage-backed securities		$	487		$	495

Schedule of investment securities in an unrealized loss position

		Less than 12 months						12 months or longer						Total
					Unrealized						Unrealized						Unrealized
Description of Securities		Fair Value			Losses			Fair Value			Losses			Fair Value			Losses
		(Dollars in thousands)
At June 30, 2012:
States and political subdivisions debt securities		$	32,896		$	(407	)	$	—		$	—		$	32,896		$	(407	)
U.S. Government sponsored entities mortgage-backed securities		276,434			(1,864		)	—			—			276,434			(1,864		)
Corporate securities		6,825			(45		)	—			—			6,825			(45		)
Total temporarily impaired securities		$	316,155		$	(2,316	)	$	—		$	—		$	316,155		$	(2,316	)

At December 31, 2011:
U.S. Government sponsored entities mortgage-backed securities		$	144,520		$	(825	)	$	—		$	—		$	144,520		$	(825	)
Other		970			(15		)	—			—			970			(15		)
Total temporarily impaired securities		$	145,490		$	(840	)	$	—		$	—		$	145,490		$	(840	)