Employee Benefit Plans - Narrative (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 |
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| Retirement Benefits [Abstract] | ||||
| Total 401(k) plan expense | $ 124 | $ 204 | $ 462 | $ 172 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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