Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Reconciliation of Level 3 instruments (Details)

v3.21.2
Fair Value Measurements - Reconciliation of Level 3 instruments (Details) - USD ($)
$ 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
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]                        
Financial Designation, Predecessor and Successor [Fixed List] Successor Predecessor Successor Successor Predecessor Predecessor Predecessor Predecessor Successor Predecessor Predecessor Predecessor
Fair value as of beginning period     $ 45,640   $ 900     $ 900 $ 900      
Unrealized gains recognized as other income       $ (17,115)       $ (900)        
Fair value as of Ending period $ 45,640   $ 28,525 $ 28,525         $ 28,525   $ 900  
Fair Value, Recurring Basis, Unobservable Input Reconciliation, Liability, Gain (Loss), Statement of Income [Extensible List]       Other Nonoperating Income (Expense)       Other Nonoperating Income (Expense)