Income Taxes Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred Federal tax assets:
Allowance for loan losses	$ 5,996	$ 5,802
Deferred compensation	420	253
Minimum pension liability	1,059	937
Equity based compensation	228	187
Accrued loan fees and costs	314	413
New Market Tax Credit and AMT Credit Carryforward	335	944
Non-accrual loan interest	1,126	793
Mark-to-market adjustments	75	0
Other deferred tax assets	179	120
Total deferred Federal tax assets	9,732	9,449
Deferred Tax Liabilities, Gross [Abstract]
Net unrealized gain on securities available for sale	(1,698)	(2,070)
FHLB stock dividends	(255)	(255)
Intangible asset amortization	(1,118)	(1,077)
Accretion	(238)	(226)
Deferred charges	(182)	(212)
FHLB restructure	(342)	0
Prepaid pension	(969)	(974)
Other deferred tax liabilities	(274)	(351)
Total deferred Federal tax liabilities	(5,076)	(5,165)
Net deferred Federal tax assets	$ 4,656	$ 4,284