Finance Receivables - Information regarding delinquency rates with respect to contracts and direct loans (Details 4) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021
Over 120 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total	$ 0
Total (in percentage)			0.00%
Finance receivables
Accounts Notes And Loans Receivable [Line Items]
Balance Outstanding	179,808	$ 180,650
Finance receivables | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Balance Outstanding	26,779	15,721	$ 24,376
Total	$ 1,376	$ 408	$ 881
Total (in percentage)	5.14%	2.60%	3.61%
Finance receivables | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Balance Outstanding	$ 153,029	$ 164,929	$ 154,143
Total	$ 14,476	$ 10,316	$ 11,264
Total (in percentage)	9.46%	6.26%	7.31%
Finance receivables | 30 - 59 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total	$ 889	$ 285	$ 607
Total (in percentage)	3.32%	1.81%	2.49%
Finance receivables | 30 - 59 days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 8,958	$ 7,087	$ 7,097
Total (in percentage)	5.85%	4.30%	4.60%
Finance receivables | 60 - 89 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total	$ 300	$ 70	$ 197
Total (in percentage)	1.12%	0.45%	0.81%
Finance receivables | 60 - 89 days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 4,041	$ 2,575	$ 2,936
Total (in percentage)	2.64%	1.56%	1.90%
Finance receivables | 90 - 119 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total	$ 187	$ 53	$ 77
Total (in percentage)	0.70%	0.34%	0.32%
Finance receivables | 90 - 119 days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 1,448	$ 644	$ 1,183
Total (in percentage)	0.95%	0.39%	0.77%
Finance receivables | Over 120 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total		$ 0	$ 0
Total (in percentage)	0.00%	0.00%
Finance receivables | Over 120 days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 29	$ 10	$ 48
Total (in percentage)	0.02%	0.01%	0.03%