Employee Benefits and Share-Based Compensation - Summary of Restricted Share Activity (Details) - "Time-Based Units" ("TBUs") |
12 Months Ended |
|---|---|
|
Dec. 31, 2019
$ / shares
shares
| |
| Number of Restricted Share Awards | |
| Non-vested as of January 1, 2019 | shares | 2,973,032 |
| Vested | shares | (1,430,291) |
| Non-vested as of December 31, 2019 | shares | 3,245,625 |
| Weighted-Average Grant-Date Fair Value | |
| Non-vested as of January 1, 2019 | $ / shares | $ 53.98 |
| Vested | $ / shares | 53.02 |
| Non-vested as of December 31, 2019 | $ / shares | $ 54.94 |
| Restricted Stock | |
| Number of Restricted Share Awards | |
| Non-vested as of January 1, 2019 | shares | 429 |
| Vested | shares | (429) |
| Weighted-Average Grant-Date Fair Value | |
| Non-vested as of January 1, 2019 | $ / shares | $ 58.41 |
| Vested | $ / shares | $ 58.41 |