Finance Receivables - Summary of reconciliation of changes in allowance for credit losses on contracts (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Accounts Notes And Loans Receivable [Line Items]
Provision for credit losses	$ 3,644	$ 730
Finance receivables
Accounts Notes And Loans Receivable [Line Items]
Balance at beginning of period	2,949	6,154
Provision for credit losses	3,644	730
Charge-offs	(4,394)	(2,965)
Recoveries	1,487	1,331
Balance at end of period	3,686	5,250
Finance receivables | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Balance at beginning of period	1,961	6,001
Provision for credit losses	3,102	730
Charge-offs	(4,045)	(2,774)
Recoveries	1,442	1,311
Balance at end of period	2,460	5,268
Finance receivables | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Balance at beginning of period	988	153
Provision for credit losses	542	0
Charge-offs	(349)	(191)
Recoveries	45	20
Balance at end of period	$ 1,226	$ 18