Consolidated Statements of Earnings (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest income:
Loans, including fees	$ 12,403	$ 9,476
Securities And Other Investments [Abstract]
Taxable	2,069	867
Nontaxable	775	929
Federal funds sold	2	3
Time and interest bearing deposits in other banks	39	75
Other investments	45	38
Total interest income	15,333	11,388
Interest expense:
Deposits	1,100	1,008
Securities sold under agreements to repurchase	181	197
Junior subordinated debentures	248	242
Total interest expense	1,529	1,447
Net interest income	13,804	9,941
Provision for loan losses	675	1,600
Net interest income after provision for loan losses	13,129	8,341
Noninterest income:
Service charges on deposit accounts	1,824	1,737
Gain on securities, net	0	41
ATM and debit card income	1,126	878
Other charges and fees	578	374
Total noninterest income	3,528	3,030
Noninterest expenses:
Salaries and employee benefits	6,086	5,163
Occupancy expense	2,548	2,053
ATM And Debit Card Expense	368	357
Other	3,666	3,154
Total noninterest expense	12,668	10,727
Income before income taxes	3,989	644
Income tax (expense) benefit	(1,103)	97
Net earnings	2,886	741
Dividends on preferred stock and accretion of warrants	400	299
Net earnings available to common shareholders	$ 2,486	$ 442
Earnings per common share:
Basic (in dollars per share)	$ 0.24	$ 0.05
Diluted (in dollars per share)	$ 0.24	$ 0.05
Cash dividends declared per common share (in dollars per share)	$ 0.07	$ 0.07