Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment Reporting [Abstract]

Summary of Certain Operating Information for Reportable Segments

The following is a summary of certain operating information for reportable segments:

(Dollars in thousands)	Community Banking		Specialty Finance	Wealth Management	Parent & Intersegment Eliminations		Consolidated
2012
Net interest income (expense)	$	494,679	123,313	4,946	(103,422	)	519,516
Provision for credit losses	66,367		2,882	—	7,187		76,436
Non-interest income	166,278		3,518	63,697	(7,401	)	226,092
Non-interest expense	385,427		32,179	57,999	13,435		489,040
Income tax expense (benefit)	79,531		41,332	4,174	(56,101	)	68,936
Net income (loss)	$	129,632	50,438	6,470	(75,344	)	111,196
Total assets at end of year	$	17,213,511	3,882,307	92,580	(3,668,785	)	17,519,613
2011
Net interest income (expense)	$	428,068	112,508	8,460	(87,659	)	461,377
Provision for credit losses	102,544		864	—	(770	)	102,638
Non-interest income	140,392		3,071	54,940	(8,705	)	189,698
Non-interest expense	331,006		28,876	51,431	9,091		420,404
Income tax expense (benefit)	51,338		39,427	4,879	(45,186	)	50,458
Net income (loss)	$	83,572	46,412	7,090	(59,499	)	77,575
Total assets at end of year	$	15,188,133	3,271,323	92,089	(2,657,737	)	15,893,808
2010
Net interest income (expense)	$	386,594	89,870	12,275	(72,903	)	415,836
Provision for credit losses	105,018		22,586	—	(2,940	)	124,664
Non-interest income	133,110		13,643	45,447	(40	)	192,160
Non-interest expense	304,223		27,021	46,576	4,705		382,525
Income tax expense (benefit)	39,032		21,367	4,257	(27,178	)	37,478
Net income (loss)	$	71,431	32,539	6,889	(47,530	)	63,329
Total assets at end of year	$	13,258,238	2,944,388	65,274	(2,287,744	)	13,980,156