Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Interest income:
Interest and fees on non-covered loans	$ 49,760	$ 53,414	$ 53,128
Interest and fees on covered loans	34,819	19,173	0
Interest on taxable investment securities	3,967	2,348	809
Interest on tax-exempt investment securities	902	716	402
Other	259	298	53
Total interest income	89,707	75,949	54,392
Interest expense:
Interest on deposits	9,492	11,091	12,920
Interest on other borrowed funds	0	243	434
Interest on junior subordinated debentures	489	496	665
Total interest expense	9,981	11,830	14,019
Net interest income	79,726	64,119	40,373
Provision for loan losses, non-covered loans	10,500	12,150	10,200
Provision (recovery) for loan losses, covered loans	(450)	1,336	0
Net interest income after provision for loan losses	69,676	50,633	30,173
Noninterest income:
Service charges and fees	3,818	3,346	3,426
Electronic banking income	3,197	2,306	1,397
Investment products	1,072	522	532
Bank owned life insurance income	311	226	154
Income from the sale of mortgage loans	1,197	1,134	865
SBA premium income	444	578	180
Change in FDIC indemnification asset	(9,232)	1,884	0
Gain on disposition of covered assets	6,312	1,840	0
Bargain purchase gain on acquisition	0	19,925	0
Other	2,093	1,770	1,107
Total noninterest income	9,212	33,531	7,661
Noninterest expense:
Salaries and benefits	27,496	23,527	14,374
Occupancy and equipment	6,553	5,631	4,244
Office supplies and printing	1,665	1,594	799
Data processing	1,916	1,434	555
Consulting and professional fees	1,152	891	811
Intangible amortization	622	672	0
Merger related expenses	324	2,113	0
FDIC premiums	1,818	1,609	1,374
FDIC clawback liability	1,576	0	0
Non-covered OREO and repossession expenses	1,358	1,196	1,531
Covered OREO and repossession expenses	2,192	1,240	0
Other	9,153	6,890	5,046
Total noninterest expense	55,825	46,797	28,734
Income before provision for income taxes	23,063	37,367	9,100
Provision for income taxes	7,111	11,797	2,886
Net income before preferred dividends	15,952	25,570	6,214
Preferred stock dividends and discount accretion	1,084	1,659	1,600
Net income available to common shareholders	$ 14,868	$ 23,911	$ 4,614
Net income available per common share, basis (in dollars per share)	$ 0.97	$ 1.56	$ 0.46
Net income available per common share, diluted (in dollars per share)	$ 0.97	$ 1.55	$ 0.46
Average number of common shares outstanding, basis (in shares)	15,329,000	15,307,000	10,011,000
Average number of common shares outstanding, diluted (in shares)	15,393,000	15,465,000	10,079,000