Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest Income
Loans	$ 74,837	$ 54,498	$ 122,865	$ 116,275
Taxable securities	4,890	4,951	9,124	10,196
Tax-exempt securities	2,508	2,495	4,806	5,020
Federal funds sold and deposits in banks	33	170	234	335
Total interest income	82,268	62,114	137,029	131,826
Interest Expense
Deposits	1,054	1,561	2,143	3,340
Federal Home Loan Bank advances	(699)	734	(628)	1,484
Prepayment charge on Federal Home Loan Bank advances	1,548	0	1,548	0
Other borrowings	376	118	495	238
Total interest expense	2,279	2,413	3,558	5,062
Net Interest Income	79,989	59,701	133,471	126,764
Provision for loan and lease losses			268	35,623
Net interest income after provision for loan and lease losses	79,701	44,263	133,203	91,141
Noninterest Income (Loss)
Service charges and other fees	13,560	7,436	21,154	14,613
Merchant services fees	2,013	2,095	3,864	4,113
Investment securities gains, net	92	0	462	62
Bank owned life insurance	1,008	719	1,706	1,430
Change in FDIC loss sharing asset	(13,137)	(168)	(23,620)	(1,836)
Other	3,272	1,746	4,900	3,020
Total noninterest income (loss)	6,808	11,828	8,466	21,402
Noninterest Expense
Compensation and employee benefits	35,657	20,966	57,310	42,961
Occupancy	7,543	5,091	12,296	10,424
Merchant processing	852	930	1,709	1,803
Advertising and promotion	1,160	1,119	2,030	2,001
Data processing and communications	3,638	2,551	6,218	4,764
Legal and professional fees	5,504	1,829	7,554	3,438
Taxes, licenses and fees	1,204	1,115	2,591	2,470
Regulatory premiums	1,177	925	2,034	1,785
Net cost (benefit) of operation of other real estate owned	(2,828)	(377)	(5,329)	533
Amortization of intangibles	1,693	1,119	2,722	2,269
FDIC clawback liability expense (recovery)	199	(208)	430	(234)
Other	8,705	4,765	12,988	11,963
Total noninterest expense	64,504	39,825	102,553	84,177
Income before income taxes	22,005	16,266	39,116	28,366
Income tax provision	7,414	4,367	12,349	7,565
Net Income	14,591	11,899	26,767	20,801
Earnings per common share
Basic ($ per share)	$ 0.28	$ 0.30	$ 0.59	$ 0.52
Diluted ($ per share)	$ 0.28	$ 0.30	$ 0.58	$ 0.52
Dividends paid per common share	$ 0.10	$ 0.22	$ 0.20	$ 0.59
Weighted average number of common shares outstanding	50,788	39,260	45,099	39,228
Weighted average number of diluted common shares outstanding	52,125	39,308	45,758	39,306
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	2,000	3,750	1,000	8,250
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ (1,712)	$ 11,688	$ (732)	$ 27,373