Business Segments (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information by Segment

The following tables present the operating results and other key financial measures for the individual operating segments for the periods indicated:

	For the Year Ended December 31, 2014
	Centers		Treasury		Other			Eliminations			Total
	(Dollars in thousands)
Interest income, including loan fees	$	142,467	$	71,369	$	39,067		$	—		$	252,903
Credit for funds provided (1)		31,188		—		46,770			(77,958	)		—
Total interest income		173,655		71,369		85,837			(77,958	)		252,903
Interest expense		6,494		9,590		305			—			16,389
Charge for funds used (1)		5,123		54,885		17,950			(77,958	)		—
Total interest expense		11,617		64,475		18,255			(77,958	)		16,389
Net interest income		162,038		6,894		67,582			—			236,514
Provision for loan losses		—		—		(16,100	)		—			(16,100	)
Net interest income after provision for loan losses		162,038		6,894		83,682			—			252,614
Noninterest income		20,513		—		15,899			—			36,412
Noninterest expense		47,871		784		77,574			—			126,229
Debt termination expense		—		—		—			—			—
Segment pre-tax profit	$	134,680	$	6,110	$	22,007		$	—		$	162,797
Segment assets as of December 31, 2014	$	6,006,415	$	3,268,551	$	753,068		$	(2,650,114)		$	7,377,920

(1) Credit for funds provided and charges for funds used are eliminated in the consolidated presentation.

	For the Year Ended December 31, 2013
	Centers		Treasury			Other			Eliminations			Total
	(Dollars in thousands)
Interest income, including loan fees	$	139,369	$	53,234		$	40,170		$	—		$	232,773
Credit for funds provided (1)		26,754		—			41,987			(68,741	)		—
Total interest income		166,123		53,234			82,157			(68,741	)		232,773
Interest expense		6,138		9,700			670			—			16,507
Charge for funds used (1)		3,193		45,269			20,279			(68,741	)		—
Total interest expense		9,331		54,969			20,949			(68,741	)		16,507
Net interest income		156,793		(1,735	)		61,208			—			216,266
Provision for loan losses		—		—			(16,750	)		—			(16,750	)
Net interest income after provision for loan losses		156,793		(1,735	)		77,958			—			233,016
Noninterest income		20,733		2,094			2,460			—			25,287
Noninterest expense		45,268		714			68,046			—			114,028
Debt termination expense		—		—			—			—			—
Segment pre-tax profit	$	132,258	$	(355	)	$	12,372		$	—		$	144,275
Segment assets as of December 31, 2013	$	5,405,939	$	2,866,760		$	710,844		$	(2,318,576)		$	6,664,967

(1) Credit for funds provided and charges for funds used are eliminated in the consolidated presentation.

	For the Year Ended December 31, 2012
	Centers		Treasury			Other			Eliminations			Total
	(Dollars in thousands)
Interest income, including loan fees	$	147,726	$	56,559		$	57,937		$	—		$	262,222
Credit for funds provided (1)		25,764		—			31,505			(57,269	)		—
Total interest income		173,490		56,559			89,442			(57,269	)		262,222
Interest expense		7,162		15,396			2,714			—			25,272
Charge for funds used (1)		3,204		41,270			12,795			(57,269	)		—
Total interest expense		10,366		56,666			15,509			(57,269	)		25,272
Net interest income		163,124		(107	)		73,933			—			236,950
Provision for loan losses		—		—			—			—			—
Net interest income after provision for loan losses		163,124		(107	)		73,933			—			236,950
Noninterest income		22,807		—			(6,904	)		—			15,903
Noninterest expense		44,780		729			72,272			—			117,781
Debt termination expense		—		20,379			—			—			20,379
Segment pre-tax profit	$	141,151	$	(21,215	)	$	(5,243	)	$	—		$	114,693
Segment assets as of December 31, 2012	$	5,196,244	$	2,642,445		$	637,976		$	(2,113,301)		$	6,363,364

(1) Credit for funds provided and charges for funds used are eliminated in the consolidated presentation.