Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest income:
Interest and fees on loans	$ 39,349	$ 34,361
Interest on debt securities:
Taxable	2,113	2,446
Nontaxable	301	234
Interest on interest-bearing deposits	47	77
Dividends on equity securities	100	97
Total interest income	41,910	37,215
Interest expense:
Interest-bearing transaction accounts	138	191
Money market accounts	882	1,430
Savings	59	69
Certificates of deposit:
$100 and over	1,452	1,969
Other	486	810
Subordinated debentures	952	1,149
Federal Home Loan Bank advances	734	838
Notes payable and other borrowings	308	130
Total interest expense	5,011	6,586
Net interest income	36,899	30,629
Provision for loan losses not covered under FDIC loss share	1,853	1,718
Provision for loan losses covered under FDIC loss share	2,256	2,285
Net interest income after provision for loan losses	32,790	26,626
Noninterest income:
Wealth Management revenue	1,943	1,709
Service charges on deposit accounts	1,533	1,330
Other service charges and fee income	647	594
Gain on sale of other real estate	728	1,157
Gain on state tax credits, net	867	337
Gain on sale of investment securities	684	1,022
Change in FDIC loss share receivable	(4,085)	(2,956)
Miscellaneous income	597	790
Total noninterest income	2,914	3,983
Noninterest expense:
Employee compensation and benefits	11,463	10,463
Occupancy	1,449	1,384
Furniture and equipment	467	464
Data processing	921	820
FDIC and other insurance	859	953
Loan legal and other real estate expense	33	2,074
Other	5,325	5,206
Total noninterest expense	20,517	21,364
Income before income tax expense	15,187	9,245
Income tax expense	5,147	3,060
Net income	10,040	6,185
Net Income (Loss) Available to Common Stockholders, Basic	$ 10,040	$ 5,544
Earnings per common share
Basic	$ 0.56	$ 0.31
Diluted	$ 0.53	$ 0.31