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Finance Receivables - Summary of reconciliation of changes in allowance for credit losses on contracts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Provision for credit losses |  | $ 2,570 |  | $ 40,658
Finance Receivables [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Balance at beginning of year |  | 17,396 |  | 2,949
Impact of adoption of ASU 2016-13 |  | 210 |  |
Provision for credit losses |  | 14,823 | [1] | 40,658
Charge-offs |  | (24,832) | [2] | (32,012)
Recoveries |  | 4,656 | [2] | 5,801
Reversal of allowance for credit losses | [1] | (12,253) |  |
Balance at end of year |  | 0 |  | 17,396
Finance Receivables [Member] | Indirect |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Balance at beginning of year |  | 16,265 |  | 1,961
Impact of adoption of ASU 2016-13 |  | (562) |  |
Provision for credit losses |  | 12,713 | [1] | 37,125
Charge-offs |  | (21,337) | [2] | (28,391)
Recoveries |  | 4,210 | [2] | 5,570
Reversal of allowance for credit losses | [1] | (11,289) |  |
Balance at end of year |  | 0 |  | 16,265
Finance Receivables [Member] | Direct |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Balance at beginning of year |  | 1,131 |  | 988
Impact of adoption of ASU 2016-13 |  | 772 |  |
Provision for credit losses |  | 2,110 | [1] | 3,533
Charge-offs |  | (3,495) | [2] | (3,621)
Recoveries |  | 446 | [2] | 231
Reversal of allowance for credit losses | [1] | (964) |  |
Balance at end of year |  | $ 0 |  | $ 1,131
[1] | Provision for credit losses and reversal of allowance for credit losses is presented net as "Provision for credit losses" in the Consolidated Statements of Operations.
[2] | Amounts shown represents charge-offs and recoveries through October 31, 2023. Since November 1, 2023 charge-offs and recoveries are included in "Fair value and other adjustment, net" in the Consolidated Statements of Operations.

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