Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation - Restricted stock units and performance-based restricted stock units (Details)

v3.21.2
Stock-based compensation - Restricted stock units and performance-based restricted stock units (Details)
$ / 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
USD ($)
$ / shares
shares
Jul. 31, 2021
USD ($)
$ / shares
shares
Apr. 30, 2021
Jul. 31, 2020
Apr. 30, 2020
Jun. 11, 2021
Jul. 31, 2021
USD ($)
item
$ / shares
shares
Jul. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share price | $ / shares     $ 18.00 $ 18.00         $ 18.00      
Aggregate Intrinsic Value                        
Financial Designation, Predecessor and Successor [Fixed List] Successor Predecessor Successor Successor Predecessor Predecessor Predecessor Predecessor Successor Predecessor Predecessor Predecessor
RSU's                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Right to receive share | item                 1      
Shares                        
Granted (in shares) | shares       2,732,408                
Unvested balance, at end of period (in shares) | shares     2,732,408 2,732,408         2,732,408      
Weighted Average Grant Date Fair Value                        
Granted (in dollars per share) | $ / shares       $ 10.75                
Weighted Average Exercise Price Unvested balance, at end of period (in dollars per share) | $ / shares     $ 10.75 $ 10.75         $ 10.75      
Aggregate Intrinsic Value                        
Aggregate Intrinsic Value granted | $       $ 29,373                
Aggregate Intrinsic Value unvested | $     $ 29,373 29,373         $ 29,373      
Unrecognized equity-based compensation costs | $     $ 28,100 $ 28,100         $ 28,100      
Cost expected to be recognized over a weighted-average period                 3 years 10 months 24 days      
Performance-based Restricted Stock Units                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Vesting term                   4 years    
Share price | $ / shares     $ 12.50 $ 12.50         $ 12.50      
Trading days | item                 20      
Consecutive trading days | item                 30      
Shares                        
Granted (in shares) | shares       732,408                
Unvested balance, at end of period (in shares) | shares     732,408 732,408         732,408      
Weighted Average Grant Date Fair Value                        
Granted (in dollars per share) | $ / shares       $ 8.60                
Weighted Average Exercise Price Unvested balance, at end of period (in dollars per share) | $ / shares     $ 8.60 $ 8.60         $ 8.60      
Aggregate Intrinsic Value                        
Aggregate Intrinsic Value granted | $       $ 6,299                
Aggregate Intrinsic Value unvested | $     $ 6,299 6,299         $ 6,299      
Unrecognized equity-based compensation costs | $     $ 4,600 $ 4,600         $ 4,600      
Cost expected to be recognized over a weighted-average period                 1 year 7 months 6 days      
Minimum | RSU's                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Vesting term                 3 years      
Maximum | RSU's                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Vesting term                 4 years