Accumulated Other Comprehensive Loss (Schedule of Changes In Each Component of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
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	$ (4,759)	$ (5,349)
Defined Benefit Pension Plans, Ending Balance	(4,759)	(5,349)
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	927	1,190
Unrealized Gains (Losses) on Securities Available-for-Sale Securities, Other comprehensive income before reclassifications	2,743	915
Unrealized Gains (Losses) on Securities Available-for-Sale, Amounts reclassified from other comprehensive loss	0	(9)
Unrealized Gain (Losses) on Securities Available-for-Sale Total	2,743	906
Unrealized Gains (Losses) on Securities Available-for-Sale, Ending Balance	3,670	2,096
Accumulated Other Comprehensive Income (Loss), Net of Income Tax [Roll Forward]
Total, Beginning Balance	(3,832)	(4,159)
Total, Other comprehensive income before reclassifications	2,743	915
Total, Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	(9)
Total, Accumulated other comprehensive loss	2,743	906
Total, Ending Balance	$ (1,089)	$ (3,253)