Commitments and Contingencies - Estimated Potential Payments Under Tax Receivable Agreement (Detail) $ in Thousands	Mar. 31, 2020 USD ($)
Tax Receivable Agreement [Abstract]
Tax Receivable Agreement Future Maximum Payments Due Remainder Of The Year	$ 11,796
Tax Receivable Agreement Future Maximum Payments, Due Year Two	0
Tax Receivable Agreement Future Maximum Payments, Due Year Three	3,689
Tax Receivable Agreement Future Maximum Payments, Due Year Four	24,109
Tax Receivable Agreement Future Maximum Payments, Due Year Five	35,841
Tax Receivable Agreement Future Maximum Payments, Due After Year Five	112,026
Estimated future payments under tax receivable agreement	$ 187,461