Tax Receivable Agreement (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Tax Receivable Agreement
Payment on applicable cash tax savings (as a percent)	85.00%
Deferred tax asset pursuant to TRA	$ 176.9
Deferred tax asset pursuant to TRA, net of amortization	165.8
Deferred tax liability pursuant to TRA	150.4
Realized tax savings	0.0	$ 0.0
Payments to TRA obligation	$ 0.0	$ 0.0