Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Additional Information	Mar. 31, 2016	Dec. 31, 2015
6.625% First Priority Senior Notes Due 2020 [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.625%	6.625%
8.875% Senior Secured Notes Due 2018 [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.875%	8.875%
9.00% Second-Priority Senior Secured Notes Due 2020 [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	9.00%	9.00%