Capital Structure - Additional Information (Details) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2020
class
vote
shares
|
Dec. 31, 2019
shares
|
Dec. 31, 2018
shares
|
|
Class of Stock [Line Items] | |||
Number of classes of common stock | class | 4 | ||
Non-voting common interest units outstanding (in shares) | shares | 5,259,713 | 7,919,952 | |
Number of non-voting common interest units forfeited or repurchased (in shares) | shares | 2,660,239 | 840,803 | 3,540,312 |
Class A common stock and Class C common stock | |||
Class of Stock [Line Items] | |||
Number of votes | vote | 1 | ||
Class B common stock and Class D common stock | |||
Class of Stock [Line Items] | |||
Number of votes | vote | 10 | ||
Class C common stock and class D common stock | Founder [Member] | |||
Class of Stock [Line Items] | |||
Ownership interest | 81.90% |