Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Interest Income
Loans, excluding covered loans	$ 60,614	$ 63,672	$ 179,156	$ 187,156
Covered loans	3,142	3,223	10,742	11,898
Investment securities	7,742	8,058	22,755	25,406
Other short-term investments	831	631	2,474	1,910
Total interest income	72,329	75,584	215,127	226,370
Interest Expense
Deposits	2,837	4,126	9,160	14,317
Borrowed funds	390	507	1,217	1,512
Senior and subordinated debt	3,436	3,691	10,306	11,395
Total interest expense	6,663	8,324	20,683	27,224
Net interest income	65,666	67,260	194,444	199,146
Provision for loan and covered loan losses	4,770	111,791	16,257	152,459
Net interest income (expense) after provision for loan and covered loan losses	60,896	(44,531)	178,187	46,687
Noninterest Income
Service charges on deposit accounts	9,472	9,502	27,267	27,010
Card-based fees	5,509	5,246	16,132	15,578
Wealth management fees	6,018	5,415	17,983	16,201
Mortgage banking income	1,273	196	4,251	360
Merchant servicing fees	2,915	2,849	8,368	8,079
Other service charges, commissions, and fees	2,617	1,142	5,569	3,365
Net securities gains (losses)	33,801	(217)	34,017	(1,009)
BOLI (loss) income	(13,028)	300	(12,428)	952
Gain on termination of FHLB forward commitments	7,829	0	7,829	0
Other income	1,682	4,701	4,116	7,324
Total noninterest income	58,088	29,134	113,104	77,860
Noninterest Expense
Salaries and wages	28,257	26,881	84,040	77,990
Retirement and other employee benefits	6,013	6,230	19,720	18,737
Net occupancy and equipment expense	7,982	8,108	23,922	23,952
Technology and related costs	2,984	2,906	8,351	8,615
Professional services	5,517	6,665	16,330	19,199
Net OREO expense	2,849	3,208	5,732	9,196
FDIC premiums	1,734	1,785	5,180	5,163
Other expenses	9,366	14,340	28,668	31,041
Total noninterest expense	64,702	70,123	191,943	193,893
Income (loss) before income tax expense (benefit)	54,282	(85,520)	99,348	(69,346)
Income tax expense (benefit)	24,959	(36,993)	39,207	(35,076)
Net income (loss)	29,323	(48,527)	60,141	(34,270)
Net (income) loss applicable to non-vested restricted shares	(416)	715	(847)	500
Net income (loss) applicable to common shares	$ 28,907	$ (47,812)	$ 59,294	$ (33,770)
Per Common Share Data
Basic earnings (loss) per common share (in Dollars per share)	$ 0.39	$ (0.65)	$ 0.80	$ (0.46)
Diluted earnings (loss) per common share (in Dollars per share)	$ 0.39	$ (0.65)	$ 0.80	$ (0.46)
Dividends declared per common share (in Dollars per share)	$ 0.04	$ 0.01	$ 0.09	$ 0.03
Weighted-average common shares outstanding (in Shares)	74,023	73,742	73,969	73,636
Weighted-average diluted common shares outstanding (in Shares)	74,034	73,742	73,978	73,636