Finance Receivables - Selected information on entire portfolio of Company (Details 1) - Contract	6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Average APR	22.70%	22.70%
Average discount	7.60%	7.70%
Average term (months)	51 months	52 months
Number of active contracts	24,656	27,294
Direct Loan Portfolio
Accounts Notes And Loans Receivable [Line Items]
Average APR	27.70%	26.50%
Average term (months)	27 months	27 months
Number of active contracts	3,673	2,921