Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional information (Details)

v3.21.2
Fair Value Measurements - Additional information (Details)
$ in Millions
 1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 5 Months Ended 7 Months Ended 9 Months Ended 12 Months Ended
Jun. 12, 2021
Jun. 11, 2021
USD ($)
Aug. 28, 2020
Jun. 11, 2021
Aug. 27, 2020
Jul. 31, 2021
Jul. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Apr. 30, 2021
Oct. 31, 2020
Jul. 31, 2020
Apr. 30, 2020
Jun. 11, 2021
USD ($)
Oct. 31, 2021
Aug. 27, 2020
Oct. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                                      
Terminated for consideration   $ 0.0                                  
Financial Designation, Predecessor and Successor [Fixed List] Successor   Predecessor Predecessor Predecessor Successor Successor Predecessor Successor Predecessor Predecessor Predecessor Predecessor Predecessor Successor Predecessor Predecessor Predecessor Predecessor
Volatility                                      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                                      
Measurement input   31   31   33 33   35         31 35        
Volatility | Held-to-maturity scenario                                      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                                      
Recorded gain                           $ 0.9