Finance Receivables - Summary of reconciliation of changes in allowance for credit losses on contracts (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accounts Notes And Loans Receivable [Line Items]
Provision for credit losses	$ 8,906	$ 1,395	$ 12,550	$ 2,125
Finance receivables
Accounts Notes And Loans Receivable [Line Items]
Balance at beginning of period	3,686	5,250	2,949	6,154
Provision for credit losses	8,906	1,395	12,550	2,125
Charge-offs	(6,789)	(3,310)	(11,184)	(6,274)
Recoveries	1,288	1,127	2,776	2,457
Balance at end of period	7,091	4,462	7,091	4,462
Finance receivables | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Balance at beginning of period	2,460	5,268	1,960	6,001
Provision for credit losses	7,511	460	10,615	1,190
Charge-offs	(6,144)	(3,128)	(10,190)	(5,901)
Recoveries	1,261	1,116	2,703	2,426
Balance at end of period	5,088	3,716	5,088	3,716
Finance receivables | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Balance at beginning of period	1,226	(18)	989	153
Provision for credit losses	1,395	935	1,935	935
Charge-offs	(645)	(182)	(994)	(373)
Recoveries	27	11	73	31
Balance at end of period	$ 2,003	$ 746	$ 2,003	$ 746