Schedule of Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other Comprehensive Income [Line Items]
Unrealized Gains on Securities Available-for-Sale	$ 10,643	$ 10,767
Unrecognized Gain (Loss) on Pension Benefits	(231)	(184)
Unrecognized Gain (Loss) on Postretirement Benefits	(61)	(40)
Total	10,351	10,543
Current Period [Member]
Other Comprehensive Income [Line Items]
Unrealized Gains on Securities Available-for-Sale	(124)
Unrecognized Gain (Loss) on Pension Benefits	(47)
Unrecognized Gain (Loss) on Postretirement Benefits	(21)
Total	$ (192)