Consolidated Statements of Income (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	$ 74,125	$ 52,600	$ 196,990	$ 168,875
Taxable securities	4,935	4,218	14,059	14,414
Tax-exempt securities	2,483	2,422	7,289	7,442
Federal funds sold and deposits in banks	56	229	290	564
Total interest income	81,599	59,469	218,628	191,295
Interest Expense
Deposits	929	1,339	3,072	4,679
Federal Home Loan Bank advances	135	745	(493)	2,229
Prepayment charge on Federal Home Loan Bank advances	0	0	1,548	0
Other borrowings	120	120	615	358
Total interest expense	1,184	2,204	4,742	7,266
Net Interest Income	80,415	57,265	213,886	184,029
Provision for loan and lease losses			3,581	34,506
Net interest income after provision for loan and lease losses	77,102	58,382	210,305	149,523
Noninterest Income (Loss)
Service charges and other fees	13,357	7,609	34,511	22,222
Merchant services fees	2,070	2,054	5,934	6,167
Investment securities gains, net	0	0	462	62
Bank owned life insurance	904	747	2,610	2,177
Change in FDIC loss sharing asset	(11,826)	(12,951)	(35,446)	(14,787)
Other	3,117	1,630	8,017	4,650
Total noninterest income (loss)	7,622	(911)	16,088	20,491
Noninterest Expense
Compensation and employee benefits	33,287	21,523	90,597	64,484
Occupancy	9,264	4,886	21,560	15,310
Merchant processing	951	921	2,660	2,724
Advertising and promotion	1,165	1,341	3,195	3,342
Data processing and communications	4,285	2,499	10,503	7,263
Legal and professional fees	2,421	2,783	9,975	6,221
Taxes, licenses and fees	1,446	1,124	4,037	3,594
Regulatory premiums	1,372	775	3,406	2,560
Net cost (benefit) of operation of other real estate owned	(777)	(1,069)	(6,106)	(536)
Amortization of intangibles	1,666	1,093	4,388	3,362
FDIC clawback liability expense (recovery)	(188)	334	242	100
Other	9,822	4,726	22,810	16,689
Total noninterest expense	64,714	40,936	167,267	125,113
Income before income taxes	20,010	16,535	59,126	44,901
Income tax provision	6,734	4,655	19,083	12,220
Net Income	13,276	11,880	40,043	32,681
Earnings per common share
Basic ($ per share)	$ 0.26	$ 0.30	$ 0.84	$ 0.82
Diluted ($ per share)	$ 0.25	$ 0.30	$ 0.83	$ 0.82
Dividends paid per common share	$ 0.10	$ 0.30	$ 0.30	$ 0.89
Weighted average number of common shares outstanding	50,834	39,289	47,032	39,248
Weighted average number of diluted common shares outstanding	52,297	39,291	47,947	39,251
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	4,260	2,875	5,260	11,125
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ (947)	$ (3,992)	$ (1,679)	$ 23,381