v3.26.3
Fair Value - Schedule of Sensitivity Analysis of Fair Value, Investment in Retained Notes and Residual Interests (Details)
$ in Thousands
Sep. 30, 2026
USD ($)
year
Dec. 31, 2025
USD ($)
year
Sep. 30, 2025
USD ($)
year
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value $ 46,564 $ 78,286 $ 92,290
Residual Interests      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value 7,563 10,156 12,086
Retained Notes      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value 39,001 68,130 80,204
Prepayment speed      
Residual Interests [Abstract]      
Residual Interests at Fair Value, Changes in Fair Value Resulting From 1.5% Adverse Change (52) (94) (114)
Residual Interests at Fair Value, Changes in Fair Value Resulting From 1.6% Adverse Change $ (100) $ (186) $ (216)
Prepayment speed | Residual Interests      
Residual Interests [Abstract]      
Debt securities, available-for-sale, measurement input 0.0140 0.0140 0.0140
Expected cumulative lifetime losses      
Residual Interests [Abstract]      
Residual Interests at Fair Value, Changes in Fair Value Resulting From 25 BPS Adverse Change $ (111) $ (183) $ (221)
Residual Interests at Fair Value, Changes in Fair Value Resulting From 50 BPS Adverse Change (222) (365) (436)
Discount rate      
Residual Interests [Abstract]      
Residual Interests at Fair Value, Changes in Fair Value Resulting From 25 BPS Adverse Change (30) (44) (53)
Residual Interests at Fair Value, Changes in Fair Value Resulting From 50 BPS Adverse Change (61) (88) (105)
Retained Notes [Abstract]      
Impact on fair value of a 50 bps adverse change (139) (300) (401)
Impact on fair value of a 100 bps adverse change $ (281) $ (613) $ (745)
Discount rate | Residual Interests      
Residual Interests [Abstract]      
Debt securities, available-for-sale, measurement input 0.1500 0.1500 0.1500
Weighted-average life (in years) | Retained Notes      
Residual Interests [Abstract]      
Debt securities, available-for-sale, measurement input | year 1.36 1.86 1.98