XML 57 R47.htm IDEA: XBRL DOCUMENT v3.21.2
Stock-based Compensation - Restricted Stock Units (Details) - RSUs
6 Months Ended
Jun. 30, 2021
Tranche One  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Award vesting rights (percent) 33.00%
Tranche Two  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 4 years
Award vesting rights (percent) 25.00%