Bankruptcy Long-Term Debt (Detail) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Feb. 10, 2016 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Long-term debt | $ 868,802 | $ 819,955 |
| Current maturities of long-term debt | 1,430 | 1,430 |
| Long-term debt, net | 867,372 | 818,525 |
| 2016 Term Loan Facility | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | 141,570 | 143,000 |
| 10% Second Lien Notes | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | 74,252 | 73,875 |
| Convertible Notes Payable | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | $ 652,980 | $ 603,080 |