Variable Interest Entity - Summary of Assets and Liabilities Held by VIE (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019
Assets
Restricted cash	$ 26,978	$ 2,047
Finance receivables, net	209,426	202,042
Repossessed assets	2,025	1,924
Total assets	259,423	252,420
Liabilities
Credit facility	149,000	145,000
Accounts payable and accrued expenses	6,335	3,604
Total liabilities	153,913	147,535
Variable Interest Entity
Assets
Restricted cash	26,978	2,047
Finance receivables, net	164,162	187,584
Repossessed assets	1,407
Total assets	192,547	189,631
Liabilities
Credit facility	146,103	142,619
Accounts payable and accrued expenses	779
Total liabilities	$ 146,882	$ 142,619