Consolidated Statements of Earnings (unaudited) (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, including fees	$ 12,355	$ 9,736	$ 24,758	$ 19,212
Securities And Other Investments [Abstract]
Taxable	2,148	1,264	4,217	2,131
Nontaxable	730	852	1,505	1,782
Federal funds sold	2	2	4	5
Time and interest bearing deposits in other banks	21	46	60	121
Other investments	42	35	87	72
Total interest income	15,298	11,935	30,631	23,323
Interest expense:
Deposits	1,059	964	2,159	1,972
Securities sold under agreements to repurchase	186	198	367	395
Junior subordinated debentures	244	242	492	484
Total interest expense	1,489	1,404	3,018	2,851
Net interest income	13,809	10,531	27,613	20,472
Provision for loan losses	575	900	1,250	2,500
Net interest income after provision for loan losses	13,234	9,631	26,363	17,972
Non-interest income:
Service charges on deposits	1,868	1,548	3,692	3,285
Gain on securities, net	135	58	135	99
ATM and debit card income	1,149	955	2,275	1,833
Other charges and fees	813	652	1,391	1,027
Total non-interest income	3,965	3,213	7,493	6,244
Non-interest expenses:
Salaries and employee benefits	6,152	5,039	12,238	10,202
Occupancy expense	2,783	2,191	5,331	4,244
FDIC insurance	195	212	453	523
Other	4,660	3,791	8,436	6,991
Total non-interest expense	13,790	11,233	26,458	21,960
Income before income taxes	3,409	1,611	7,398	2,256
Income tax expense	931	258	2,034	161
Net earnings	2,478	1,353	5,364	2,095
Dividends on preferred stock and accretion of warrants	380	299	780	599
Net earnings available to common shareholders	$ 2,098	$ 1,054	$ 4,584	$ 1,496
Earnings per share:
Basic (in dollars per share)	$ 0.20	$ 0.10	$ 0.44	$ 0.15
Diluted (in dollars per share)	$ 0.20	$ 0.10	$ 0.44	$ 0.15