Summary of Significant Accounting Policies - Roll Forward of Receivable Allowance (Details) - USD ($) $ in Thousands |
4 Months Ended | 8 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Dec. 31, 2019 |
Aug. 31, 2019 |
Dec. 31, 2020 |
Dec. 31, 2018 |
|
| Accounts Receivable, Allowance for Credit Loss [Roll Forward] | ||||
| Balance Beginning of Period | $ 0 | $ 3,759 | $ 3,828 | $ 4,162 |
| Charged to Expense | 3,828 | 7,558 | 8,538 | 12,300 |
| Write-Offs and Other | 0 | (11,317) | (9,270) | (12,703) |
| Balance End of Period | $ 3,828 | $ 0 | $ 3,096 | $ 3,759 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|