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Finance Receivables - Summary of contracts and direct loans included in finance receivables (Details) - Finance receivables - Contracts and direct loans - USD ($) $ in Thousands | Jun. 30, 2023 | Mar. 31, 2023
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Accounts Notes And Loans Receivable [Line Items] |  |
Finance receivables | $ 112,244 | $ 128,170
Accrued interest receivable | 1,621 | 1,932
Unearned dealer discounts | (3,487) | (4,286)
Unearned insurance commissions and fees | (1,111) | (1,419)
Unearned purchase price discount | (54) | (82)
Finance receivables, net of unearned discounts and fees and accrued interest receivable | 109,213 | 124,315
Allowance for credit losses | (15,359) | (17,396)
Finance receivables, net | $ 93,854 | $ 106,919

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