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Finance Receivables - Summary of contracts and direct loans included in finance receivables (Details) - Finance receivables - Contracts and direct loans - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Finance receivables	$ 176,173	$ 184,237	$ 188,626
Accrued interest receivable	2,413	2,285	2,628
Unearned dealer discounts	(6,643)	(7,290)	(7,006)
Unearned insurance commissions and fees	(2,360)	(2,396)	(2,338)
Purchase price discount	(293)	(364)	(447)
Finance receivables, net of unearned	169,290	176,472	181,463
Allowance for credit losses	(3,630)	(6,154)	(9,077)
Finance receivables, net	$ 165,660	$ 170,318	$ 172,386

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- Definition

Represents amount of indirect finance receivables, net of unearned interest and unearned dealer discounts.

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Represents finance receivables accrued interest.

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Purchase price discount.

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Represents unearned discounts (other than cash or quantity discounts and the like) included in the net amount of finance receivables, that are shown as a deduction from the related receivables.

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Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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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.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount, before allowance for credit loss, of financing receivable.

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Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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