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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS - Narrative (Details) - Deferred Tax Asset Valuation Allowance - USD ($) $ in Thousands | 3 Months Ended | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2020 | May 01, 2019 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |  |
Adjustments | $ 1,100,000 | $ (28,539) | $ 0 | $ 1,094,866 | $ 4,146
Federal and state |  |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |  |
Valuation allowances released |  | 714,500 | $ 1,900 | $ 3,000 | $ 11,300
Foreign |  |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |  |
Valuation allowances released |  | $ 28,500 |  |  |

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