Property and Equipment, Net (Detail) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Feb. 10, 2016 |
Feb. 09, 2016 |
Dec. 31, 2015 |
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
$ 902,241
|
$ 891,135
|
|
|
| Accumulated depreciation |
(67,713)
|
|
|
|
| Property and equipment, net |
834,528
|
891,135
|
|
|
| Predecessor |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
|
|
$ 3,480,890
|
$ 3,481,006
|
| Accumulated depreciation |
|
|
(543,315)
|
(532,619)
|
| Property and equipment, net |
|
|
2,937,575
|
2,948,387
|
| Drilling Equipment |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
880,267
|
|
|
|
| Drilling Equipment | Predecessor |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
|
|
|
3,425,738
|
| Assets under Construction |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
2,138
|
|
|
|
| Property and equipment, net |
|
$ 9,289
|
|
|
| Assets under Construction | Predecessor |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
|
|
|
23,421
|
| Property and equipment, net |
|
|
$ 23,799
|
|
| Office and Technology Equipment |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
18,764
|
|
|
|
| Office and Technology Equipment | Predecessor |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
|
|
|
29,405
|
| Leasehold Improvements |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
$ 1,072
|
|
|
|
| Leasehold Improvements | Predecessor |
|
|
|
|
| Property Plant And Equipment [Line Items] |
|
|
|
|
| Property and equipment |
|
|
|
$ 2,442
|