Finance Receivables - Schedule of table shows activity by origination year (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	$ 24,832
Gross Recoveries	4,656
Net Charge-offs	20,176
Contract Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	21,337
Gross Recoveries	4,210
Net Charge-offs	17,127
Direct Loan Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	3,495
Gross Recoveries	446
Net Charge-offs	3,049
2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	113
Gross Recoveries	0
Net Charge-offs	113
2024 | Contract Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	113
Gross Recoveries	0
Net Charge-offs	113
2024 | Direct Loan Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	0
Gross Recoveries	0
Net Charge-offs	0
2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	10,061
Gross Recoveries	1,122
Net Charge-offs	8,939
2023 | Contract Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	7,950
Gross Recoveries	907
Net Charge-offs	7,043
2023 | Direct Loan Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	2,111
Gross Recoveries	215
Net Charge-offs	1,896
2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	9,448
Gross Recoveries	1,496
Net Charge-offs	7,952
2022 | Contract Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	8,127
Gross Recoveries	1,320
Net Charge-offs	6,807
2022 | Direct Loan Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	1,321
Gross Recoveries	176
Net Charge-offs	1,145
2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	2,776
Gross Recoveries	547
Net Charge-offs	2,229
2021 | Contract Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	2,722
Gross Recoveries	521
Net Charge-offs	2,201
2021 | Direct Loan Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	54
Gross Recoveries	26
Net Charge-offs	28
2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	1,209
Gross Recoveries	506
Net Charge-offs	703
2020 | Contract Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	1,201
Gross Recoveries	489
Net Charge-offs	712
2020 | Direct Loan Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	8
Gross Recoveries	17
Net Charge-offs	(9)
Prior
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	1,225
Gross Recoveries	985
Net Charge-offs	240
Prior | Contract Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	1,224
Gross Recoveries	973
Net Charge-offs	251
Prior | Direct Loan Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Charge-offs	1
Gross Recoveries	12
Net Charge-offs	$ (11)