Condensed Consolidated Statements Of Comprehensive Income (Loss) (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Condensed Consolidated Statements Of Comprehensive Income (Loss) [Abstract]
Deferred tax expense (benefit) for unrealized appreciation on available for sale securities	$ 1,836,000	$ (2,032,000)	$ 3,776,000	$ (800,000)
Deferred tax expense (benefit) for reclassification adjustment for realized (gains) losses included in net income (loss)	1,440,000	0	1,668,000	2,080,000
Deferred tax expense for reclassification adjustment for write-down securities	0	(168,000)	0	(168,000)
Deferred tax expense (benefit) for minimum pension liability	135,000	0	403,000	0
Deferred tax expense (benefit) for postretirement liability	$ 74,000	$ 0	$ 218,000	$ 0