Condensed Consolidated Statements of Operations (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 loans	$ 143,181	$ 154,006	$ 130,073
Interest on debt securities:
Taxable	8,325	9,877	11,142
Nontaxable	1,209	1,009	695
Interest on federal funds sold	0	0	2
Interest on interest-bearing deposits	210	257	560
Dividends on equity securities	364	315	368
Total interest income	153,289	165,464	142,840
Interest expense:
Interest-bearing transaction accounts	461	721	811
Money market accounts	3,080	4,679	7,987
Savings	225	275	112
Certificates of deposit:
$100 and over	5,554	7,077	9,133
Other	1,822	2,654	3,615
Subordinated debentures	3,019	4,082	4,515
Federal Home Loan Bank advances	2,938	3,054	3,550
Notes payable and other borrowings	1,038	625	432
Total interest expense	18,137	23,167	30,155
Net interest income	135,152	142,297	112,685
Provision for loan losses not covered under FDIC loss share	(642)	8,757	13,300
Provision for loan losses covered under FDIC loss share	4,974	14,033	2,803
Net interest income after provision for loan losses	130,820	119,507	96,582
Noninterest income:
Wealth Management revenue	7,118	7,300	6,841
Service charges on deposit accounts	6,825	5,664	5,091
Other service charges and fee income	2,717	2,504	1,679
Gain on sale of branches	1,044	0	0
Gain on sale of other real estate	3,363	2,225	862
Gain on state tax credits, net	2,503	2,207	3,645
Gain on sale of investment securities	1,295	1,156	1,450
Change in FDIC loss share receivable	(18,173)	(14,869)	(3,494)
Miscellaneous income	3,207	2,897	2,434
Total noninterest income	9,899	9,084	18,508
Noninterest expense:
Employee compensation and benefits	47,278	43,497	36,839
Occupancy	5,661	5,393	5,001
Furniture and equipment	1,616	1,636	1,601
Data processing	4,137	3,454	3,159
FDIC and other insurance	3,244	3,491	4,119
Loan legal and other real estate expense	4,496	6,732	10,703
Professional Fees	4,876	5,120	3,138
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Repayment and Penalties	2,590	0	0
Other	16,741	16,438	12,305
Total noninterest expense	90,639	85,761	76,865
Income before income tax expense	50,080	42,830	38,225
Income tax expense (benefit)	16,976	14,534	12,802
Net income	33,104	28,296	25,423
Net income available to common shareholders	$ 33,104	$ 25,101	$ 22,899
Earnings per common share
Basic	$ 1.78	$ 1.41	$ 1.37
Diluted	$ 1.73	$ 1.37	$ 1.34