Fair Value Measurements - Reconciliation of Level 3 instruments (Details) - USD ($) $ in Thousands |
3 Months Ended | 4 Months Ended | 5 Months Ended | 7 Months Ended | 8 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|---|---|---|
Apr. 30, 2020 |
Jun. 11, 2021 |
Jan. 31, 2021 |
Aug. 27, 2020 |
Jan. 31, 2022 |
Jan. 31, 2022 |
Jan. 31, 2021 |
Jan. 31, 2020 |
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||||||||
| Fair value as of beginning period | $ 900 | $ 45,640 | $ 900 | |||||
| Unrealized gains recognized as other income | (900) | (17,441) | ||||||
| Fair value as of Ending period | $ 45,640 | $ 900 | $ 28,199 | $ 28,199 | $ 900 | |||
| Financial Designation, Predecessor and Successor [Fixed List] | Predecessor | Predecessor | Predecessor | Predecessor | Successor | Successor | Predecessor | Predecessor |
| 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.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Indicates designation of financial information when substantially all business or separately identifiable line of business transfers from one entity to another entity. Acceptable values are "Predecessor" and "Successor". Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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