Chapter 11 Proceedings - Reorganization Items (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Reorganizations [Abstract] | ||||
| Unamortized debt premiums and discounts | $ 0 | $ (95,296) | ||
| Unamortized debt issuance costs | (5) | (63,292) | ||
| Debt holder conversion feature and mandatory prepayment feature - PGC Senior Secured Notes | 0 | 9,777 | ||
| Estimated litigation claims | 0 | (20,478) | ||
| Rejections and cures of executory contracts | (3,148) | (21,309) | ||
| Ad valorem and franchise taxes | 0 | (3,494) | ||
| Legal and professional fees and expenses | (45,176) | (55,935) | ||
| Adjustment of pre-petition accounts payable settlements | 5,575 | 6,355 | ||
| Reorganization items | $ (42,754) | $ 0 | $ (243,672) | $ 0 |