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Finance Receivables - Information regarding delinquency rates with respect to contracts and direct loans (Details 5) - Finance receivables - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
Contracts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross Balance Outstanding | $ 498,031 | $ 482,864 | $ 443,083
Total | $ 50,035 | $ 26,901 | $ 18,459
Total (in percentage) | 10.05% | 5.57% | 4.17%
Direct Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross Balance Outstanding | $ 10,628 | $ 10,978 | $ 10,912
Total | $ 413 | $ 240 | $ 179
Total (in percentage) | 3.89% | 2.19% | 1.64%
31 - 60 days | Contracts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 25,450 | $ 17,466 | $ 13,694
Total (in percentage) | 5.11% | 3.61% | 3.09%
31 - 60 days | Direct Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 191 | $ 161 | $ 122
Total (in percentage) | 1.80% | 1.47% | 1.12%
61 - 90 days | Contracts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 12,388 | $ 6,069 | $ 3,435
Total (in percentage) | 2.49% | 1.26% | 0.78%
61 - 90 days | Direct Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 67 | $ 41 | $ 42
Total (in percentage) | 0.63% | 0.37% | 0.38%
Over 90 days | Contracts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 12,197 | $ 3,366 | $ 1,330
Total (in percentage) | 2.45% | 0.70% | 0.30%
Over 90 days | Direct Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 155 | $ 38 | $ 15
Total (in percentage) | 1.46% | 0.35% | 0.14%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percent of financing receivables past due. + References No definition available. + Details
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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524 + Details
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