Debtor-in-Possession Financial Information (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Liabilities Subject to Compromise [Abstract]
Trust-preferred securities	$ 151,296,000		$ 151,296,000
Senior notes	6,820,000		6,820,000
Accrued interest payable	33,318,000		33,318,000
Accrued estimated taxes payable	7,419,000		7,419,000
Accounts payable and other accrued liabilities	2,117,000		2,117,000
Total liabilities subject to compromise	200,970,000		200,970,000		0
Additional contractual interest not accrued on trust preferred securities and senior debt			1,700,000
Reorganization Items [Abstract]
Deferred issuance costs			2,081,000
Professional fees			665,000
Total reorganization items	$ 2,746,000	$ 0	$ 2,746,000	$ 0