Derivative Financial Instruments Derivative Financial Information - Predecessor Company (Details) (Predecessor Company, Interest Rate Swap – Liabilities, USD $)	1 Months Ended
	Jan. 31, 2010
Derivative Instruments, (Gain) Loss [Line Items]
Fresh start accouting adjustment, elimination of amounts previously charged to AOCI	$ 15,300,000
Interest Expense
Derivative Instruments, (Gain) Loss [Line Items]
(Gain) loss due to interest rate swaps and interest rate caps included in earnings	2,300,000
Loss due to interest rate swaps included accrued interest included in earnings	$ 3,000,000