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Stock-based Compensation - Narrative (Details)
6 Months Ended
Jun. 30, 2021
Existing and newly elected board member  
Share-based Compensation Arrangement by Share-based Payment Award  
Award vesting period (in years) 3 years
Employees  
Share-based Compensation Arrangement by Share-based Payment Award  
Award vesting period (in years) 3 years
OPP plan | Tranche one  
Share-based Compensation Arrangement by Share-based Payment Award  
Award vesting period (in years) 3 years
Award vesting percentage after initial performance period 50.00%
OPP plan | Tranche two  
Share-based Compensation Arrangement by Share-based Payment Award  
Award vesting period (in years) 3 years
Award vesting rights 50.00%
Award mandatory holding period (in years) 2 years
PSU plan 2020  
Share-based Compensation Arrangement by Share-based Payment Award  
Post vesting period (in years) 2 years
PSU plan 2020 | Tranche one  
Share-based Compensation Arrangement by Share-based Payment Award  
Award performance period (in years) 3 years
PSU plan 2020 | Tranche two  
Share-based Compensation Arrangement by Share-based Payment Award  
Award vesting period (in years) 3 years
Award performance period (in years) 1 year