Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Interest Income
Loans	$ 54,498	$ 44,362	$ 116,275	$ 91,791
Taxable securities	4,951	6,247	10,196	10,664
Tax-exempt securities	2,495	2,516	5,020	4,983
Federal funds sold and deposits in banks	170	184	335	482
Total interest income	62,114	53,309	131,826	107,920
Interest Expense
Deposits	1,561	2,848	3,340	5,927
Federal Home Loan Bank advances	734	714	1,484	1,408
Long-term obligations	0	253	0	504
Other borrowings	118	119	238	257
Total interest expense	2,413	3,934	5,062	8,096
Net Interest Income	59,701	49,375	126,764	99,824
Provision for loan and lease losses			35,623	4,029
Net interest income after provision for loan and lease losses	44,263	44,924	91,141	95,795
Noninterest Income (Loss)
Service charges and other fees	7,436	6,467	14,613	12,755
Merchant services fees	2,095	1,808	4,113	3,441
Gain on sale of investment securities, net	0	0	62	0
Bank owned life insurance	719	528	1,430	1,033
Change in FDIC loss sharing asset	(168)	(6,419)	(1,836)	(21,193)
Other	1,746	1,158	3,020	2,087
Total noninterest income (loss)	11,828	3,542	21,402	(1,877)
Noninterest Expense
Compensation and employee benefits	20,966	19,459	42,961	38,380
Occupancy	5,091	4,388	10,424	8,785
Merchant processing	930	905	1,803	1,788
Advertising and promotion	1,119	1,012	2,001	1,913
Data processing and communications	2,551	1,913	4,764	3,837
Legal and professional fees	1,829	1,498	3,438	2,911
Taxes, licenses and fees	1,115	907	2,470	1,772
Regulatory premiums	925	1,279	1,785	2,979
Net cost (benefit) of operation of other real estate owned	(377)	214	533	(228)
Amortization of intangibles	1,119	955	2,269	1,939
FDIC clawback liability (recovery)	(208)	448	(234)	2,148
Other	4,765	4,186	11,963	8,286
Total noninterest expense	39,825	37,164	84,177	74,510
Income before income taxes	16,266	11,302	28,366	19,408
Income tax provision	4,367	2,670	7,565	4,997
Net Income	11,899	8,632	20,801	14,411
Earnings per common share
Basic ($ per share)	$ 0.30	$ 0.22	$ 0.52	$ 0.37
Diluted ($ per share)	$ 0.30	$ 0.22	$ 0.52	$ 0.36
Dividends paid per common share	$ 0.22	$ 0.05	$ 0.59	$ 0.08
Weighted average number of common shares outstanding	39,260	39,107	39,228	39,073
Weighted average number of diluted common shares outstanding	39,308	39,166	39,306	39,159
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	3,750	2,150	8,250	2,150
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ 11,688	$ 2,301	$ 27,373	$ 1,879