Business Segments (Tables)

12 Months Ended

Dec. 31, 2011

Business Segments [Abstract]

Schedule of Segment Reporting Information by Segment

	For the Year Ended December 31, 2011
	Centers		Treasury			Other			Eliminations			Total
			(Dollars in thousands)
Interest income, including loan fees	$	157,376	$	62,732		$	49,612		$	—		$	269,720
Credit for funds provided (1)		24,811		—			39,621			(64,432	)		—
Total interest income		182,187		62,732			89,233			(64,432	)		269,720
Interest expense		10,411		21,258			3,370			—			35,039
Charge for funds used (1)		4,884		35,128			24,420			(64,432	)		—
Total interest expense		15,295		56,386			27,790			(64,432	)		35,039
Net interest income		166,892		6,346			61,443			—			234,681
Provision for credit losses		—		—			7,068						7,068
Net interest income after provision for credit losses	$	166,892	$	6,346		$	54,375		$	—		$	227,613
Other operating income		21,622		(655	)		13,249			—			34,216
Other operating expenses		49,802		4,117			87,106			—			141,025
Segment pretax profit (loss)	$	138,712	$	1,574		($	19,482	)	$	—		$	120,804
Segment assets as of December 31, 2011	$	5,003,093	$	2,650,201		$	689,710		($	1,860,089	)	$	6,482,915
	For the Year Ended December 31, 2010
	Centers		Treasury			Other			Eliminations			Total
			(Dollars in thousands)
Interest income, including loan fees	$	170,335	$	76,651		$	70,303		$	—		$	317,289
Credit for funds provided (1)		71,752		—			28,965			(100,717	)		—
Total interest income		242,087		76,651			99,268			(100,717	)		317,289
Interest expense		22,438		32,302			3,232			—			57,972
Charge for funds used (1)		11,743		41,484			47,490			(100,717	)		—
Total interest expense		34,181		73,786			50,722			(100,717	)		57,972
Net interest income		207,906		2,865			48,546			—			259,317
Provision for credit losses		—		—			61,200						61,200
Net interest income after provision for credit losses	$	207,906	$	2,865		$	(12,654	)	$	—		$	198,117
Other operating income		23,204		37,997			(4,087	)		—			57,114
Other operating expenses		51,922		20,125			96,445			—			168,492
Segment pretax profit (loss)	$	179,188	$	20,737		$	(113,186	)	$	—		$	86,739
Segment assets as of December 31, 2010	$	4,941,548	$	2,329,344		$	630,451		($	1,464,652	)	$	6,436,691
	For the Year Ended December 31, 2009
	Centers		Treasury			Other			Eliminations			Total
			(Dollars in thousands)
Interest income, including loan fees	$	159,347	$	104,778		$	46,634		$	—		$	310,759
Credit for funds provided (1)		53,759		—			23,233			(76,992	)		—
Total interest income		213,106		104,778			69,867			(76,992	)		310,759
Interest expense		28,428		55,572			4,495			—			88,495
Charge for funds used (1)		12,559		28,077			36,356			(76,992	)		—
Total interest expense		40,987		83,649			40,851			(76,992	)		88,495
Net interest income		172,119		21,129			29,016			—			222,264
Provision for credit losses		—		—			80,500						80,500
Net interest income after provision for credit losses	$	172,119	$	21,129		$	(51,484	)	$	—		$	141,764
Other operating income		19,537		28,124			33,410			—			81,071
Other operating expenses		47,860		5,945			79,781			—			133,586
Segment pretax profit (loss)	$	143,796	$	43,308		$	(97,855	)	$	—		$	89,249
Segment assets as of December 31, 2009	$	4,696,134	$	2,276,909		$	698,351		($	931,625	)	$	6,739,769