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Finance Receivables - Assessment of credit quality by creditworthiness (Details 4) - Finance receivables - USD ($) $ in Thousands | Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
--- | --- | --- | ---
Contracts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 498,031 | $ 482,864 | $ 443,083
Finance receivables, gross contract | 502,050 | 487,118 |
Contracts | Performing accounts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 473,446 | 473,429 |
Contracts | Non-performing accounts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 24,585 | 9,435 |
Contracts | Chapter 13 bankrupt accounts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Finance receivables, gross contract | 4,019 | 4,254 |
Direct Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 10,628 | 10,978 | $ 10,912
Finance receivables, gross contract | 10,670 | 11,012 |
Direct Loans | Performing accounts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 10,406 | 10,899 |
Direct Loans | Non-performing accounts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 222 | 79 |
Direct Loans | Chapter 13 bankrupt accounts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Finance receivables, gross contract | $ 42 | $ 34 |

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