v3.22.1
STOCKHOLDERS' EQUITY - RSU, PSU and SPSU activity (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2022
USD ($)
$ / shares
shares
Weighted Average Grant Date Fair Value  
Taxes paid for restricted unit withholdings | $ $ 52.2
RSU and PSU  
Shares of RSU PSU and SPSU  
Balance at the beginning of the period (in shares) 7,841,733
Granted (in shares) 1,796,125
Vested (in shares) (2,799,845)
Forfeited (in shares) (195,720)
Cancelled (in shares) (2,358,278)
Nonvested at the end of the period (in shares) 4,284,015
Weighted Average Grant Date Fair Value  
Balance at the beginning of the period (in dollars per share) | $ / shares $ 7.92
Granted (in dollars per share) | $ / shares 19.60
Vested (in dollars per share) | $ / shares 7.17
Forfeited (in dollars per share) | $ / shares 11.33
Cancelled (in dollars per share) | $ / shares 7.16
Unvested at the end of the period (in dollars per share) | $ / shares $ 13.57
Tranche Years 2023 and 2024 awarded under the 2022 PSU award and Tranche Year 2023 awarded under the 2021 PSU award with grant date fair values to be determined in years 2023 and 2024, respectively 1,296,860
Total Nonvested at March 31, 2022 5,580,875
Taxes paid for restricted unit withholdings | $ $ 52.2
Special Performance Stock | 2021 Special PSU  
Weighted Average Grant Date Fair Value  
Percentage of performance target 100.00%
Special Performance Stock | 2021 Special PSU | Minimum  
Weighted Average Grant Date Fair Value  
Percentage of Performance Stock Unit Award Vesting as Percentage of Performance Target 80.00%
Special Performance Stock | 2021 Special PSU | Maximum  
Weighted Average Grant Date Fair Value  
Percentage of Performance Stock Unit Award Vesting as Percentage of Performance Target 120.00%
Special Performance Stock | 2021 & 2020 Special PSU | Minimum  
Weighted Average Grant Date Fair Value  
Percentage of Performance Target for Grant of Performance Stock Unit Award 50.00%
Special Performance Stock | 2021 & 2020 Special PSU | Maximum  
Weighted Average Grant Date Fair Value  
Percentage of Performance Target for Grant of Performance Stock Unit Award 200.00%