Quarterly report pursuant to Section 13 or 15(d)

Employee Benefits and Compensation Plans - Summary of Restricted Unit Activity (Details)

v3.21.1
Employee Benefits and Compensation Plans - Summary of Restricted Unit Activity (Details) - Restricted Share Units
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Time-Based RSU Awards  
Number of Restricted Share Awards  
Non-vested as of January 1, 2021 | shares 6,663,925
Granted | shares 58,569
Vested | shares (1,740,186)
Forfeited or expired | shares (40,448)
Non-vested as of March 31, 2021 | shares 4,941,860
Weighted- Average Grant-Date Fair Value  
Non-vested as of January 1, 2021 | $ / shares $ 30.54
Granted | $ / shares 23.73
Vested | $ / shares 47.00
Forfeited or expired | $ / shares 30.77
Non-vested as of March 31, 2021 | $ / shares $ 24.66
Performance-Based Option Awards  
Number of Restricted Share Awards  
Non-vested as of January 1, 2021 | shares 1,565,184
Vested | shares (460,969)
Non-vested as of March 31, 2021 | shares 1,104,215
Weighted- Average Grant-Date Fair Value  
Non-vested as of January 1, 2021 | $ / shares $ 39.42
Vested | $ / shares 56.73
Non-vested as of March 31, 2021 | $ / shares $ 32.20
Market-Based RSU Awards  
Number of Restricted Share Awards  
Non-vested as of January 1, 2021 | shares 50,000
Granted | shares 0
Vested | shares 0
Forfeited or expired | shares 0
Non-vested as of March 31, 2021 | shares 50,000
Weighted- Average Grant-Date Fair Value  
Non-vested as of January 1, 2021 | $ / shares $ 59.43
Granted | $ / shares 0
Vested | $ / shares 0
Forfeited or expired | $ / shares 0
Non-vested as of March 31, 2021 | $ / shares $ 59.43