Debt Costs (Detail) - USD ($) $ in Thousands |
4 Months Ended | 5 Months Ended | 12 Months Ended | |
---|---|---|---|---|
Jul. 31, 2017 |
Dec. 31, 2017 |
Dec. 31, 2018 |
Mar. 31, 2017 |
|
Debt [Line Items] | ||||
Interest and debt costs incurred, net of interest capitalized | $ 13,009 | $ 30,439 | ||
Interest costs capitalized | 101 | 521 | ||
Total interest and debt costs | $ 13,110 | $ 30,960 | ||
Predecessor | ||||
Debt [Line Items] | ||||
Interest and debt costs incurred, net of interest capitalized | $ 11,179 | $ 75,026 | ||
Interest costs capitalized | 601 | 4,829 | ||
Total interest and debt costs | $ 11,780 | $ 79,855 |