Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest and dividend income:
Loans, including fees	$ 23,458	$ 24,480	$ 25,419
Securities:
Taxable	2,402	2,637	2,946
Tax-exempt	1,293	1,125	1,265
Other interest and dividends	91	72	35
Total interest and dividend income	27,244	28,314	29,665
Interest expense:
Deposits	4,161	5,428	6,974
Federal Home Loan Bank advances	1,414	1,776	1,864
Other borrowings	596	645	741
Senior subordinated notes	578	567	567
Junior subordinated debentures	342	341	420
Total interest expense	7,091	8,757	10,566
Net interest income	20,153	19,557	19,099
Provision for loan losses	785	1,390	1,795
Net interest income after provision for loan losses	19,368	18,167	17,304
Noninterest income:
Service fees	1,648	1,632	1,786
Mortgage banking, net	1,795	1,373	1,472
Investment and insurance sales commissions	736	631	633
Net gain (loss) on sale and writedown of securities		32	(20)
Increase in cash surrender value of bank-owned life insurance	407	415	410
Gain on bargain purchase	851
Other operating income	1,131	1,254	1,082
Total noninterest income	6,568	5,337	5,363
Noninterest expense:
Salaries and employee benefits	9,169	8,337	8,467
Occupancy and facilities	1,622	1,702	1,863
Loss on foreclosed assets	573	1,197	849
Data processing and other office operations	2,296	1,382	1,085
Advertising and promotion	327	291	355
FDIC insurance premiums	464	505	782
Other operating expense	2,941	2,364	2,524
Total noninterest expense	17,392	15,778	15,925
Income before provision for income taxes	8,544	7,726	6,742
Provision for income taxes	2,535	2,421	1,988
Net income	$ 6,009	$ 5,305	$ 4,754
Basic earnings per share	$ 3.61	$ 3.21	$ 2.89
Diluted earnings per share	$ 3.61	$ 3.21	$ 2.89