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Consolidated Statements Of Stockholders' Equity (Parenthetical) (Debtor-In-Possession) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Consolidated Statements Of Stockholders' Equity [Abstract]    
Unrealized gains on securities, deferred income tax $ 0 $ 10,495
Gain (loss) on derivative hedges, deferred income tax   755
Gain (loss) on foreign currency translation, deferred income tax 0 1,528
Amortization of postretirement benefits, deferred tax 0 0
Unrealized holding gains arising during period 120,637 397,082
Less: reclassification adjustment for net gains (losses) included in net loss (48,614) 64,831
Net unrealized gains on securities $ 169,251 $ 332,251