Finance Receivables - Information regarding delinquency rates with respect to contracts and direct loans (Details 3) - Finance receivables - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Balance Outstanding	$ 178,519	$ 184,104
Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Balance Outstanding	24,376	13,909
Total	$ 881	$ 445
Total (in percentage)	3.61%	3.20%
Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Balance Outstanding	$ 154,143	$ 170,195
Total	$ 11,264	$ 9,657
Total (in percentage)	7.31%	5.67%
30 - 59 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total	$ 607	$ 253
Total (in percentage)	2.49%	1.82%
30 - 59 days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 7,097	$ 6,289
Total (in percentage)	4.60%	3.70%
60 ? 89 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total	$ 197	$ 101
Total (in percentage)	0.81%	0.73%
60 ? 89 days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 2,936	$ 2,430
Total (in percentage)	1.90%	1.43%
90 - 119 days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total	$ 77	$ 81
Total (in percentage)	0.32%	0.58%
90 - 119 days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 1,183	$ 896
Total (in percentage)	0.77%	0.53%
120+ days | Direct Loans
Accounts Notes And Loans Receivable [Line Items]
Total		$ 10
Total (in percentage)	0.00%	0.07%
120+ days | Contract Portfolio
Accounts Notes And Loans Receivable [Line Items]
Total	$ 48	$ 42
Total (in percentage)	0.03%	0.02%