Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest income:
Interest and fees on non-covered loans	$ 44,166	$ 46,530	$ 49,760
Interest and fees on covered loans	23,710	36,418	34,819
Interest on taxable investment securities	5,720	5,333	3,967
Interest on tax-exempt investment securities	1,557	1,178	902
Other	206	251	259
Total interest income	75,359	89,710	89,707
Interest expense:
Interest on deposits	4,942	6,581	9,492
Interest on junior subordinated debentures	478	532	489
Total interest expense	5,420	7,113	9,981
Net interest income	69,939	82,597	79,726
Provision for loan losses, non-covered loans	1,875	7,100	10,500
Provision (recovery) of loan losses, covered loans	12,740	2,644	(450)
Net interest income after provision for loan losses	55,324	72,853	69,676
Noninterest income:
Service charges and fees	3,401	3,560	3,818
Electronic banking income	4,101	3,666	3,197
Investment products	771	1,295	1,072
Gain on sale of investment securities, net	556	931	0
Bank owned life insurance income	132	191	311
Income from the sale of mortgage loans	3,267	3,848	1,197
SBA premium income	894	602	444
Change in FDIC indemnification asset	5,735	(9,126)	(9,232)
Gain on disposition of covered assets	2,315	1,877	6,312
Other	1,173	1,402	2,093
Total noninterest income	22,345	8,246	9,212
Noninterest expense:
Salaries and benefits	30,909	29,944	27,496
Occupancy and equipment	7,287	6,883	6,553
Office supplies and printing	1,501	1,643	1,665
Data processing	2,185	2,134	1,916
Consulting and professional fees	849	904	1,152
Intangible amortization	439	512	622
Merger related expenses	652	0	324
FDIC premiums	1,091	1,281	1,818
FDIC clawback liability adjustment	(88)	1,680	1,576
Non-covered OREO and repossession expenses, net	2,227	1,841	1,358
Covered OREO and repossession expenses, net	1,696	1,699	2,192
Other	7,553	7,878	9,153
Total noninterest expense	56,301	56,399	55,825
Income before provision for income tax	21,368	24,700	23,063
Provision for income tax	6,872	7,856	7,111
Net income before preferred dividends	14,496	16,844	15,952
Preferred stock dividends and discount accretion	0	0	1,084
Net income available to common shareholders	$ 14,496	$ 16,844	$ 14,868
Net income available per common share, basic (in dollars per share)	$ 0.94	$ 1.09	$ 0.97
Net income available per common share, diluted (in dollars per share)	$ 0.93	$ 1.09	$ 0.97
Average number of common shares outstanding, basic (in shares)	15,495	15,422	15,329
Average number of common shares outstanding, diluted (in shares)	15,551	15,455	15,393