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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 | 9 Months Ended
--- | --- | ---
Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Provision for credit losses | $ 4,597 |  | $ 7,870 | $ 12,982 | $ 21,670
Finance receivables |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Balance at beginning of period | 13,530 | $ 19,975 | 19,176 | 16,932 | 20,266
Provision for credit losses | 4,597 |  | 7,870 | 12,982 | 21,670
Charge-offs | (7,494) |  | (7,440) | (22,540) | (23,322)
Recoveries | 2,639 |  | 369 | 5,898 | 1,361
Balance at end of period | 13,272 | 16,932 | 19,975 | 13,272 | 19,975
Finance receivables | Contract Portfolio |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Balance at beginning of period | 12,680 | 19,457 | 18,692 | 16,575 | 19,433
Provision for credit losses | 4,597 |  | 7,743 | 12,177 | 21,655
Charge-offs | (7,350) |  | (7,337) | (22,057) | (22,965)
Recoveries | 2,626 |  | 359 | 5,858 | 1,334
Balance at end of period | 12,553 | 16,575 | 19,457 | 12,553 | 19,457
Finance receivables | Direct Loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Balance at beginning of period | 850 | 518 | 484 | 357 | 833
Provision for credit losses |  |  | 127 | 805 | 15
Charge-offs | (144) |  | (103) | (483) | (357)
Recoveries | 13 |  | 10 | 40 | 27
Balance at end of period | $ 719 | $ 357 | $ 518 | $ 719 | $ 518

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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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