Income Taxes (Details) $ in Thousands		3 Months Ended
	Jan. 17, 2018 agreement	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Operating Loss Carryforwards [Line Items]
Effective combined income tax rate		16.00%	9.70%
Income tax (benefit) expense		$ (7,357)	$ 261
NOL carryback refund		5,500
Number of tax receivable agreements | agreement	2
Taxes payable		84,700		$ 56,600
Deferred tax asset		87,000
Taxes payable, noncurrent		84,668		56,594
Deferred tax liabilty				$ 54,000
Shares of Class B Common Stock | Tax Receivable Agreement | Common Stock
Operating Loss Carryforwards [Line Items]
Taxes payable		28,100
Deferred tax asset		$ 33,000