Reorganization Items - Additional Information (Detail) - USD ($) $ in Millions |
1 Months Ended | 11 Months Ended |
|---|---|---|
Feb. 09, 2016 |
Dec. 31, 2016 |
|
| Reorganization Items [Line Items] | ||
| Cash payment for reorganization items | $ 16.6 | |
| Predecessor | ||
| Reorganization Items [Line Items] | ||
| Cash payment for reorganization items | $ 7.3 |