Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Interest income:
Loans, including fees	$ 41,887	$ 40,029	$ 41,342
Investment securities:
Taxable	5,362	3,699	3,905
Nontaxable	3,393	3,967	4,353
Other interest income	365	429	441
Total interest income	51,007	48,124	50,041
Interest expense:
Deposits	4,024	5,468	8,103
Borrowings	807	953	1,098
Junior subordinated debentures	971	974	1,019
Total interest expense	5,802	7,395	10,220
Net interest income	45,205	40,729	39,821
Provision for loan losses	3,925	5,020	5,450
Net interest income after provision for loan losses	41,280	35,709	34,371
Noninterest income:
Service charges on deposit accounts	6,921	9,673	10,389
Gain (loss) on securities, net	99	3	(178)
ATM and debit card income	3,802	3,360	3,066
Other charges and fees	2,239	1,821	1,769
Total noninterest income	13,061	14,857	15,046
Noninterest expenses:
Salaries and employee benefits	21,763	20,352	21,743
Occupancy expense	9,281	8,727	9,288
ATM and debit card expense	1,256	1,465	1,230
Other	17,004	13,274	12,432
Total noninterest expense	49,304	43,818	44,693
Income before income taxes	5,037	6,748	4,724
Income tax expense	564	968	125
Net earnings	4,473	5,780	4,599
Dividends on preferred stock and accretion of warrants	1,802	1,198	1,175
Net earnings available to common shareholders	$ 2,671	$ 4,582	$ 3,424
Earnings per common share:
Basic (in dollars per share)	$ 0.27	$ 0.47	$ 0.51
Diluted (in dollars per share)	$ 0.27	$ 0.47	$ 0.51