XML 54 R43.htm IDEA: XBRL DOCUMENT v3.22.2
Stock-based compensation - Restricted Stock Narratives (Details) - USD ($)
$ in Millions
1 Months Ended 6 Months Ended
Oct. 31, 2020
Jun. 30, 2022
Dec. 31, 2021
2015 Plan      
Share-based Compensation Arrangement by Share-based Payment Award      
Partner capital units converted (units) 3,329,707    
Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award      
Shares outstanding (shares)   1,821,314 2,585,670
Restricted stock | 2020 Plan      
Share-based Compensation Arrangement by Share-based Payment Award      
Conversion of redeemable convertible preferred stock (in shares) 2,671,907    
Share based compensation expense not yet recognized other than options   $ 8.4  
Share based compensation expense not yet recognized, recognition period (years)   1 year 9 months 18 days  
Restricted stock | 2021 Plan      
Share-based Compensation Arrangement by Share-based Payment Award      
Share based compensation expense not yet recognized other than options   $ 0.5  
Share based compensation expense not yet recognized, recognition period (years)   3 years 1 month 6 days  
Granted (in shares)   68,175  
Shares outstanding (shares)   68,175