Compensation Plans - Common Units Subject to Vesting (Details) - shares |
12 Months Ended | |
---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] | ||
Unvested at beginning of period (in shares) | 816,659 | 775,979 |
Granted (in shares) | 0 | 288,444 |
Vested (in shares) | (368,489) | (235,756) |
Forfeited (in shares) | (244,266) | (12,008) |
Unvested at end of period (in shares) | 203,904 | 816,659 |