Fair Value - Schedule of Sensitivity Analysis of Fair Value, Investment in Retained Notes and Residual Interests (Details) $ in Thousands	Dec. 31, 2025 USD ($)	Jul. 30, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of debt securities, AFS	$ 78,286
Residual Interests
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of debt securities, AFS	10,156
Retained Notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of debt securities, AFS	68,130
Prepayment speed
Residual Interests [Abstract]
Impact on fair value of a 1.5% absolute prepayment speed adverse change	(94)
Impact on fair value of a 1.6% absolute prepayment speed adverse change	$ (186)
Prepayment speed \| Residual Interests
Residual Interests [Abstract]
Debt securities, available-for-sale, measurement input	0.0140	0.0140
Expected cumulative lifetime losses
Residual Interests [Abstract]
Impact on fair value of a 25 bps adverse change	$ (183)
Impact on fair value of a 50 bps adverse change	(365)
Discount rate
Residual Interests [Abstract]
Impact on fair value of a 25 bps adverse change	(44)
Impact on fair value of a 50 bps adverse change	(88)
Retained Notes [Abstract]
Impact on fair value of a 50 bps adverse change	(300)
Impact on fair value of a 100 bps adverse change	$ (613)
Discount rate \| Residual Interests
Residual Interests [Abstract]
Debt securities, available-for-sale, measurement input	0.1500	0.1500
Weighted-average life (in years) \| Retained Notes
Residual Interests [Abstract]
Debt securities, available-for-sale, measurement input	1.86

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