Supplemental Guarantor Information - Additional Information (Details) |
Jun. 30, 2015 |
|---|---|
| Senior Secured Notes - 6.00% Due April 15, 2023 | |
| Condensed Financial Statements Captions [Line Items] | |
| Senior notes, stated percentage | 6.00% |
| Senior Unsecured Notes - 8.25% Due October 15, 2023 | |
| Condensed Financial Statements Captions [Line Items] | |
| Senior notes, stated percentage | 8.25% |