Summary of Significant Accounting Policies (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Summary of Significant Accounting Policies [Abstract]
Net unrealized gain/(loss) on AFS securities, Before-Tax Amount	$ 1,253	$ (13)
Net unrealized gain/(loss) on AFS securities, Tax Effect	426	(4)
Net unrealized gain on AFS securities, Net-of-Tax Amount	827	(9)
Discount on AFS to HTM reclassification, Before-Tax Amount	54	92
Discount on AFS to HTM reclassification, Tax Effect	18	31
Discount on AFS to HTM reclassification, Net-of-Tax Amount	36	61
Unrealized actuarial losses-pension, Before-Tax Amount	2,233	2,131
Unrealized actuarial losses-pension, Tax Effect	759	725
Unrealized actuarial losses-pension, Net-of-Tax Amount	1,474	1,406
Total of all items above, Before-Tax Amount	(1,034)	(2,236)
Total of all items above, Tax Effect	351	760
Total of all items above, Net-of-Tax Effect	$ (683)	$ (1,476)