Accumulated Other Comprehensive Loss - Schedule of Changes In Each Component of Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Equity [Abstract]
Combined Federal and state income tax rate	37.00%	37.00%
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax [Roll Forward]
Defined Benefit Pension Plans, Beginning Balance	$ (4,995)	$ (4,732)
Defined Benefit Pension Plans, Ending Balance	(4,995)	(4,732)
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Roll Forward]
Unrealized Gains (Losses) on Securities Available-for-Sale, Beginning Balance	3,573	825
Unrealized Gains (Losses) on Securities Available-for-Sale Securities, Other comprehensive income before reclassifications	(4,059)	1,740
Unrealized Gains (Losses) on Securities Available-for-Sale, Amounts reclassified from other comprehensive loss	(59)	(310)
Unrealized Gain (Losses) on Securities Available-for-Sale Total	(4,118)	1,430
Unrealized Gains (Losses) on Securities Available-for-Sale, Ending Balance	(545)	2,255
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Total, Beginning Balance	(1,422)	(3,907)
Total, Other comprehensive income before reclassifications	(4,059)	1,740
Total, Amounts reclassified from other comprehensive loss	(59)	(310)
Total, Accumulated other comprehensive loss	(4,118)	1,430
Total, Ending Balance	$ (5,540)	$ (2,477)