Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Restricted shares (Details)

v3.21.1
Stock-based Compensation - Restricted shares (Details) - Restricted common shares - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Dec. 18, 2020
May 06, 2019
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]    
Purchase price per share   $ 0.008
Vesting percentage 25.00%  
Vesting period 36 months  
Share-based Payment Arrangement, Tranche One    
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]    
Vesting percentage   12.50%
Cumulative funding trigger for vesting   $ 100
Share-based Payment Arrangement, Tranche Two    
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]    
Vesting percentage   37.50%
Vesting period   36 months
Share-based Payment Arrangement, Tranche Three    
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]    
Vesting percentage   50.00%