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Debt Disclosure [Abstract] Debt Disclosure [Abstract] Costs and expenses: Costs and Expenses [Abstract] Term ABS 2023-5 [Member] TermAssetBackedSecuredFinancingsTwoThousandTwentyThreeFive [Member] TermAssetBackedSecuredFinancingsTwoThousandTwentyThreeFive Interest Unrecognized Tax Benefits, Interest on Income Taxes Expense Unamortized Discount Debt Instrument, Unamortized Discount Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount 2028 Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Three Years Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Three Years Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value Common Stock, Par or Stated Value Per Share Term ABS 2022-2 [Member] TermAssetBackedSecuredFinancingsTwoThousandTwentyTwoTwo [Member] TermAssetBackedSecuredFinancingsTwoThousandTwentyTwoTwo Use of Estimates Use of Estimates, Policy [Policy Text Block] Subsequent Events [Text Block] Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Options Forfeited, Weighted Average Exercise Price Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Accelerated payments of Dealer Holdback Accelerated Dealer Holdback payments Accelerated Payments of Dealer Holdback The cash outflow for payments made to dealers under our Portfolio Program at the time a pool of 100 or more consumer loans is closed by dealers with a single open pool or at the time 100 consumer loans have been collectively assigned by dealers with multiple open pools. 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