Consolidated Statements Of Comprehensive Income (Loss) (Unaudited)-AOCI (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ (26,792)
Other comprehensive income (loss)	7,020	(1,229)
Ending Balance	(19,772)
Accumulated Unrealized Gain (Loss) on Securities Available- for-Sale
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(20,419)	1,115
Other comprehensive income (loss)	7,020	(1,229)
Ending Balance	(13,399)	(114)
Unrecognized Net Pension Costs
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(6,373)	(16,775)
Other comprehensive income (loss)	0	0
Ending Balance	(6,373)	(16,775)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(26,792)	(15,660)
Other comprehensive income (loss)	7,020	(1,229)
Ending Balance	$ (19,772)	$ (16,889)