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Finance Receivables - Assessment of credit quality by creditworthiness (Details 3) - Finance receivables - USD ($) $ in Thousands | Sep. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020
--- | --- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | $ 176,784 |  | $ 198,007
Finance receivables | 177,013 |  | 198,168
Chapter 13 bankruptcy |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Finance receivables | 229 |  | 161
Direct Loans |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | 18,844 | $ 13,909 | 12,720
Finance receivables | 18,859 |  | 12,720
Direct Loans | Chapter 13 bankruptcy |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Finance receivables | 15 |  | 0
Performing accounts |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | 172,637 |  | 192,232
Performing accounts | Direct Loans |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | 18,646 |  | 12,509
Non-performing accounts |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | 4,147 |  | 5,775
Non-performing accounts | Direct Loans |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | 198 |  | 211
Contract Portfolio |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | 157,940 | $ 170,195 | 185,287
Finance receivables | 158,154 |  | 185,448
Contract Portfolio | Chapter 13 bankruptcy |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Finance receivables | 214 |  | 161
Contract Portfolio | Performing accounts |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | 153,991 |  | 179,723
Contract Portfolio | Non-performing accounts |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Total | $ 3,949 |  | $ 5,564

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