Warrants - Classified warrants (Details) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 2 Months Ended | 3 Months Ended | 4 Months Ended | 6 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 12, 2021 |
Jun. 11, 2021 |
Jul. 31, 2021 |
Jul. 31, 2021 |
Apr. 30, 2021 |
Jul. 31, 2020 |
Apr. 30, 2020 |
Jun. 11, 2021 |
Jul. 31, 2021 |
Jul. 31, 2020 |
Jan. 31, 2021 |
Jan. 31, 2020 |
|
| Class of Warrant or Right [Line Items] | ||||||||||||
| Warrants purchased | 705,882 | |||||||||||
| Redemption price | $ 0.01 | |||||||||||
| Financial Designation, Predecessor and Successor [Fixed List] | Successor | Predecessor | Successor | Successor | Predecessor | Predecessor | Predecessor | Predecessor | Successor | Predecessor | Predecessor | Predecessor |
| Private Placement Warrants - Sponsor | ||||||||||||
| Class of Warrant or Right [Line Items] | ||||||||||||
| Warrants purchased | 16,300,000 | 16,300,000 | 16,300,000 | |||||||||
| Strike Price | $ 11.50 | $ 11.50 | $ 11.50 | |||||||||
| Redemption price | $ 0 | |||||||||||
| Fair Value | $ 28,525 | $ 28,525 | ||||||||||
| Equity Classified Warrants | ||||||||||||
| Class of Warrant or Right [Line Items] | ||||||||||||
| Warrants purchased | 45,666,667 | 45,666,667 | 45,666,667 | |||||||||
| Public Warrants | ||||||||||||
| Class of Warrant or Right [Line Items] | ||||||||||||
| Warrants purchased | 23,000,000 | 23,000,000 | 23,000,000 | |||||||||
| Strike Price | $ 11.50 | $ 11.50 | $ 11.50 | |||||||||
| Redemption price | $ 18.00 | |||||||||||
| Private Placement Warrants - PIPE | ||||||||||||
| Class of Warrant or Right [Line Items] | ||||||||||||
| Warrants purchased | 16,666,667 | 16,666,667 | 16,666,667 | |||||||||
| Strike Price | $ 11.50 | $ 11.50 | $ 11.50 | |||||||||
| Redemption price | $ 18.00 | |||||||||||
| Private Placement Warrants - GK | ||||||||||||
| Class of Warrant or Right [Line Items] | ||||||||||||
| Warrants purchased | 5,000,000 | 5,000,000 | 5,000,000 | |||||||||
| Strike Price | $ 11.50 | $ 11.50 | $ 11.50 | |||||||||
| Redemption price | $ 0 | |||||||||||
| Private Placement Warrants - CEO | ||||||||||||
| Class of Warrant or Right [Line Items] | ||||||||||||
| Warrants purchased | 1,000,000 | 1,000,000 | 1,000,000 | |||||||||
| Strike Price | $ 11.50 | $ 11.50 | $ 11.50 | |||||||||
| Redemption price | $ 0 | |||||||||||