Federal Income Taxes (Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Federal Income Taxes [Abstract]
Current tax expense: Federal	$ 2,450	$ 2,240
Current tax expense: State	11
Deferred income tax expense (benefit): Federal	(355)	(174)
Income Tax Expense (Benefit), Continuing Operations, Total	$ 2,106	$ 2,066