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Finance Receivables - Summary of reconciliation of changes in allowance for credit losses on contracts (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Provision for credit losses | $ 1,395 | $ 3,050 | $ 2,125 | $ 6,350
Finance receivables |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Balance at beginning of period | 5,250 | 11,248 | 6,154 | 11,162
Provision for credit losses | 1,395 | 3,050 | 2,125 | 6,350
Charge-offs | (3,310) | (4,215) | (6,274) | (8,705)
Recoveries | 1,127 | 1,386 | 2,457 | 2,662
Balance at end of period | 4,462 | 11,469 | 4,462 | 11,469
Finance receivables | Contract Portfolio |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Balance at beginning of period | 5,268 | 10,651 | 6,001 | 10,433
Provision for credit losses | 460 | 3,050 | 1,190 | 6,350
Charge-offs | (3,128) | (4,073) | (5,901) | (8,407)
Recoveries | 1,116 | 1,349 | 2,426 | 2,601
Balance at end of period | 3,716 | 10,977 | 3,716 | 10,977
Finance receivables | Direct Loans |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Balance at beginning of period | (18) | 597 | 153 | 729
Provision for credit losses | 935 |  | 935 |
Charge-offs | (182) | (142) | (373) | (298)
Recoveries | 11 | 37 | 31 | 61
Balance at end of period | $ 746 | $ 492 | $ 746 | $ 492

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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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