Consolidated Statements Of Comprehensive Income (Loss) (Unaudited)-AOCI (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance			$ (15,660)
Other comprehensive income (loss)	(15,758)	2,619	(10,397)	4,028
Ending Balance	(26,057)		(26,057)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance			1,115	(354)
Other comprehensive income (loss)			(16,896)	4,028
Ending Balance	(15,781)	3,674	(15,781)	3,674
Unrecognized Net Pension Costs [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance			(16,775)	(12,922)
Other comprehensive income (loss)			6,499	0
Ending Balance	(10,276)	(12,922)	(10,276)	(12,922)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance			(15,660)	(13,276)
Other comprehensive income (loss)			(10,397)	4,028
Ending Balance	$ (26,057)	$ (9,248)	$ (26,057)	$ (9,248)