v3.19.3.a.u2
Debt - Warehouse Agreement - Additional Information (Detail) - Non-recourse debt [Member] - Warehouse Agreements [Member] - USD ($)
$ in Millions
1 Months Ended
Aug. 16, 2018
Nov. 30, 2019
Aug. 31, 2019
Debt Instrument [Line Items]      
Maturity Date Sep. 30, 2020   Sep. 30, 2021
Repayments of secured debt   $ 723