Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Valuation allowance for deferred tax assets	$ 0	$ 0
Deferred tax assets [Abstract]
Allowance for loan losses	4,843	4,934
Deferred compensation	553	527
Investment in affiliate	0	406
Interest rate swap	157	107
Other-than-temporary impairment	0	1,325
Other real estate owned	873	696
Other	1,725	1,312
Total deferred tax assets	8,151	9,307
Deferred tax liabilities [Abstract]
Deferred loan costs, net	114	328
Investment in affiliate	261	0
Securities available for sale	3,488	2,130
Interest rate swap	0	0
Property and equipment	293	285
Total deferred tax liabilities	4,156	2,743
Net deferred tax assets	3,995	6,564
Provision for income taxes charged to operations [Abstract]
Current tax expense	759	825	611
Deferred tax expense (benefit)	1,207	525	(3,173)
Total income tax expense (benefit)	1,966	1,350	(2,562)
Income tax provision differs from federal income tax rate to pretax income [Abstract]
Computed "expected" tax expense (benefit)	2,874	2,145	(1,785)
Increase (decrease) in income taxes resulting from [Abstract]
Tax-exempt interest income	(975)	(969)	(1,026)
Other, net	67	174	249
Total income tax expense (benefit)	$ 1,966	$ 1,350	$ (2,562)