Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Components of income tax expense [Abstract]
Current tax expense (benefit)	$ 1,002	$ (1,031)
Deferred tax expense (benefit)	(7)	2,094
Reported tax expense	995	1,063
Reconciliation of "expected" Federal income tax expense [Abstract]
Expected tax expense (34%)	1,762	1,480
Interest expense on tax-exempt assets	14	7
Tax credit for investment	(95)	(82)
Tax-exempt interest	(272)	(100)
Bank-owned life insurance	(455)	(280)
Other, net	41	38
Reported tax expense	995	1,063
Expected tax expense rate (in hundredths)	34.00%
Effective tax rate (in hundredths)	19.20%	24.40%
Deferred tax assets [Abstract]
Allowance for loan losses	2,490	2,889
Interest on nonaccrual loans	325	101
Foreclosed assets	924	899
Pension - other comprehensive income	1,125	966
Bank owned life insurance benefit	99	91
Charitable contributions carried forward	64	97
Unexercised nonqualified options	36	32
Other	12	0
Total	5,075	5,075
Deferred tax liabilities [Abstract]
Depreciation	(763)	(741)
Accretion of discounts on securities	0	(2)
Deferred loan fees and costs	(267)	(291)
Pension	(753)	(914)
Net unrealized gains on securities available-for-sale	(1,026)	(786)
Other	0	(1)
Total	(2,809)	(2,735)
Net deferred tax assets	$ 2,266	$ 2,340