XML 74 R26.htm IDEA: XBRL DOCUMENT

INVESTMENT SECURITIES (Tables)

9 Months Ended

Sep. 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)
September 30, 2012
Available for Sale
U.S. Government sponsored entities debt securities		$	313,675		$	3,322		$	—		$	316,997
States and political subdivisions debt securities		159,913			3,397			(486		)	162,824
U.S. Government sponsored entities mortgage-backed securities		945,751			22,163			(215		)	967,699
Corporate securities		49,069			2,060			—			51,129
Other		849			48			—			897
Total		$	1,469,257		$	30,990		$	(701	)	$	1,499,546

Held to Maturity
U.S. Government sponsored entities mortgage-backed securities		$	163,733		$	1,279		$	—		$	165,012

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

		September 30, 2012
		Amortized Cost			Estimated Fair Value
		(Dollars in thousands)
Available for Sale
Due in one year or less		$	185,755		$	186,405
Due after one year through five years		156,724			160,820
Due after five years through ten years		54,947			56,418
Due after ten years		125,231			127,307
Mortage-backed securities		945,751			967,699
Other		849			897
Total		$	1,469,257		$	1,499,546

Held to Maturity
Mortage-backed securities		$	163,733		$	165,012

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 September 30, 2012:
States and political subdivisions debt securities		$	48,262		$	(486	)	$	—		$	—		$	48,262		$	(486	)
U.S. Government sponsored entities mortgage-backed securities		90,746			(215		)	—			—			90,746			(215		)
Total temporarily impaired securities		$	139,008		$	(701	)	$	—		$	—		$	139,008		$	(701	)

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	)