Fresh Start Accounting - Reconciliation of Reorganization Value (Detail) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Feb. 10, 2016 |
Feb. 09, 2016 |
|---|---|---|---|
| Reorganizations [Abstract] | |||
| Enterprise value | $ 954,242 | $ 954,242 | |
| Plus: Cash, cash equivalents and restricted cash | 250,046 | ||
| Plus: Working capital surplus | 712 | ||
| Plus: Current liabilities | $ 55,161 | $ 80,284 | 80,284 |
| Reorganization value of Successor assets | $ 1,285,284 |