Stockholders' Equity (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
---|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Nov. 30, 2019 |
|
Class of Stock [Line Items] | |||||
Stock repurchase program, authorized amount | $ 5,000,000.0 | ||||
Economic interest percentage | 31.00% | ||||
Non-controlling interest holders | |||||
Class of Stock [Line Items] | |||||
Economic interest percentage | 69.00% | ||||
Class B Common Stock | |||||
Class of Stock [Line Items] | |||||
Antidilutive securities (in shares) | 3,590,909 | 5,988,485 | 3,590,909 | 5,988,485 | |
Class C Common Stock | |||||
Class of Stock [Line Items] | |||||
Antidilutive securities (in shares) | 76,489,218 | 77,791,218 | 76,489,218 | 77,791,218 | |
Stock Options | |||||
Class of Stock [Line Items] | |||||
Antidilutive securities (in shares) | 1,356,781 | 632,847 | 1,356,781 | 632,847 |