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Debt Costs (Detail) - USD ($) $ in Thousands | 4 Months Ended | 5 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018
Debt Disclosure [Abstract] |  |  |  |
Interest and debt costs incurred, net of interest capitalized | $ 11,179 | $ 13,009 | $ 29,068 | $ 30,439
Interest costs capitalized | 601 | 101 |  | 521
Total interest and debt costs | $ 11,780 | $ 13,110 | $ 29,068 | $ 30,960

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