Tax Receivable Agreement (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2017
Income Tax Contingency [Line Items]
Tax receivable agreement, percentage of income taxes			90.00%
Liability for tax receivable agreement			$ 117,400	$ 134,600	$ 203,800
Reduction in tax receivable agreement liability		$ 16,700	$ 16,667	$ 0
Subsequent Event | Other Current Liabilities [Member]
Income Tax Contingency [Line Items]
Reduction in tax receivable agreement liability	$ 27,900