Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2010	$ 24,685	$ 16,026	$ 42,810	$ (2,569)	$ 80,952
Balance (in shares) at Dec. 31, 2010	4,936,989
Comprehensive income:
Net income	0	0	3,290	0	3,290
Other comprehensive income, net of tax	0	0	0	2,220	2,220
Exercise of stock options	110	174	0	0	284
Exercise of stock options (in shares)	22,020
Stock compensation expense	0	110	0	0	110
Cash dividends	0	0	(991)	0	(991)
Balance at Dec. 31, 2011	24,795	16,310	45,109	(349)	85,865
Balance (in shares) at Dec. 31, 2011	4,959,009				4,959,009
Comprehensive income:
Net income	0	0	4,187	0	4,187
Other comprehensive income, net of tax	0	0	0	157	157
Exercise of stock options (in shares)					0
Stock compensation expense	0	82	0	0	82
Cash dividends	0	0	(991)	0	(991)
Balance at Dec. 31, 2012	$ 24,795	$ 16,392	$ 48,305	$ (192)	$ 89,300
Balance (in shares) at Dec. 31, 2012	4,959,009				4,959,009