XML 55 R44.htm IDEA: XBRL DOCUMENT v3.22.2
Stock-based compensation - Unvested Rollforward (Details) - $ / shares
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Restricted stock    
Nonvested, Number of Shares    
Beginning balance, unvested, shares 2,585,670  
Repurchased, shares (249,618)  
Vested, shares (514,738)  
Ending balance, unvested, shares 1,821,314  
Phantom Units    
Nonvested, Number of Shares    
Beginning balance, unvested, shares   1,202,435
Granted, shares   0
Vested, shares   0
Exchange of phantom units for cash payment rights, SARs, and/or stock options, shares   (1,202,435)
Ending balance, unvested, shares   0
Nonvested, Weighted Average Strike Price    
Beginning balance unvested, usd per share   $ 0.47
Granted, usd per share   0
Vested, usd per share   0
Exchange of phantom units for cash payment rights, SARs, and/or stock options, usd per share   0.47
Ending balance unvested, usd per share   $ 0