Variable Interest Entity - Summary of Assets and Liabilities Held by VIE (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
Assets
Restricted cash	$ 6,386	$ 7,882
Finance receivables, net	189,328	199,781
Repossessed assets	1,073	1,340
Total assets	235,118	238,818
Liabilities
Credit facility	116,532	124,255
Accounts payable and accrued expenses	3,902	4,332
Total liabilities	126,088	131,239
Variable Interest Entity
Assets
Restricted cash	6,386	7,882
Finance receivables, net	173,230	165,966
Repossessed assets	980	1,277
Total assets	180,596	175,125
Liabilities
Credit facility	116,532	124,255
Accounts payable and accrued expenses	492	597
Total liabilities	$ 117,024	$ 124,852