Quarterly report pursuant to Section 13 or 15(d)

Employee Benefits and Compensation Plans - Summary of Restricted Unit Activity (Details 2)

v3.19.1
Employee Benefits and Compensation Plans - Summary of Restricted Unit Activity (Details 2) - Restricted share units
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Time-Based Awards  
Number of Restricted Share Awards  
Non-vested as of January 1, 2019 | shares 2,973,032
Granted | shares 1,902,847
Vested | shares (1,358,074)
Forfeited or expired | shares (35,536)
Non-vested and expected to vest as of March 31, 2019 | shares 3,482,269
Weighted- Average Grant-Date Fair Value  
Non-vested as of January 1, 2019 | $ / shares $ 53.98
Granted | $ / shares 55.03
Vested | $ / shares 53.13
Forfeited or expired | $ / shares 54.74
Non-vested and expected to vest as of March 31, 2019 | $ / shares $ 54.88
Performance-Based Awards  
Number of Restricted Share Awards  
Non-vested as of January 1, 2019 | shares 825,614
Granted | shares 462,282 [1]
Vested | shares (121,000)
Forfeited or expired | shares (37,500)
Non-vested and expected to vest as of March 31, 2019 | shares 1,129,396
Weighted- Average Grant-Date Fair Value  
Non-vested as of January 1, 2019 | $ / shares $ 56.58
Granted | $ / shares 55.27
Vested | $ / shares 56.27
Forfeited or expired | $ / shares 56.27
Non-vested and expected to vest as of March 31, 2019 | $ / shares $ 56.09
Market-Based Awards  
Number of Restricted Share Awards  
Non-vested as of January 1, 2019 | shares 50,000
Granted | shares 0
Vested | shares 0
Forfeited or expired | shares 0
Non-vested and expected to vest as of March 31, 2019 | shares 50,000
Weighted- Average Grant-Date Fair Value  
Non-vested as of January 1, 2019 | $ / shares $ 59.43
Granted | $ / shares 0.00
Vested | $ / shares 0.00
Forfeited or expired | $ / shares 0.00
Non-vested and expected to vest as of March 31, 2019 | $ / shares $ 59.43
[1] Number of performance-based restricted share units included assumes maximum achievement of performance targets.