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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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- Definition

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