Variable Interest Entity - Summary of Assets and Liabilities Held by VIE (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Assets
Restricted cash	$ 10,955	$ 7,882
Finance receivables, net	170,318	199,781
Repossessed assets	685	1,340
Total assets	212,438	238,818
Liabilities
Credit facility, net of debt issuance costs	86,154	124,255
Accounts payable and accrued expenses	4,451	4,332
Total liabilities	97,216	131,239
Variable Interest Entity
Assets
Restricted cash	10,955	7,882
Finance receivables, net	150,706	165,966
Repossessed assets	631	1,277
Total assets	162,292	175,125
Liabilities
Credit facility, net of debt issuance costs	86,154	124,255
Accounts payable and accrued expenses	405	597
Total liabilities	$ 86,559	$ 124,852