Accumulated Other Comprehensive Loss - Schedule of Changes In Each Component of Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
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	$ (5,349)	$ (2,880)
Defined Benefit Pension Plans, Ending Balance	(5,349)	(2,880)
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	1,190	(2,110)
Unrealized Gains (Losses) on Securities Available-for-Sale Securities, Other comprehensive income before reclassifications	915	828
Unrealized Gains (Losses) on Securities Available-for-Sale, Amounts reclassified from other comprehensive loss	(9)	(52)
Unrealized Gain (Losses) on Securities Available-for-Sale Total	906	776
Unrealized Gains (Losses) on Securities Available-for-Sale, Ending Balance	2,096	(1,334)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Total, Beginning Balance	(4,159)	(4,990)
Total, Other comprehensive income before reclassifications	915	828
Total, Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	9	52
Total, Accumulated other comprehensive loss	906	776
Total, Ending Balance	$ (3,253)	$ (4,214)