v3.26.1
Fair Value of Financial Instruments - Schedule of Analysis of Level 3 Valuation Techniques (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing assets, fair value $ 64,520 $ 62,941 $ 56,684 $ 55,788
Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value 1,745,914 1,752,761    
Servicing assets, fair value $ 64,520 $ 62,941    
Recurring fair value | Discount rate | Discounted expected cash flows        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Measurement input 0.070 0.070    
Servicing asset, measurement input 0.128 0.128    
Recurring fair value | Discount rate | Discounted expected cash flows | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.128 0.128    
Recurring fair value | Prepayment speed | Discounted expected cash flows        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Measurement input 0.050 0.050    
Recurring fair value | Prepayment speed | Discounted expected cash flows | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.122 0.120    
Recurring fair value | Prepayment speed | Discounted expected cash flows | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.191 0.188    
Recurring fair value | Prepayment speed | Discounted expected cash flows | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.166 0.162    
Recurring fair value | Loans held for investment | Discount rate | Discounted expected cash flows | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.066 0.067    
Recurring fair value | Loans held for investment | Discount rate | Discounted expected cash flows | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.180 0.100    
Recurring fair value | Loans held for investment | Discount rate | Discounted expected cash flows | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.088 0.086    
Recurring fair value | Loans held for investment | Prepayment speed | Discounted expected cash flows | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.162 0.151    
Recurring fair value | Loans held for investment | Prepayment speed | Discounted expected cash flows | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.241 0.212    
Recurring fair value | Loans held for investment | Prepayment speed | Discounted expected cash flows | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.182 0.172    
Recurring fair value | Loans held for investment | Loss rate | Discounted expected cash flows | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.000 0.000    
Recurring fair value | Loans held for investment | Loss rate | Discounted expected cash flows | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.055 0.046    
Recurring fair value | Loans held for investment | Loss rate | Discounted expected cash flows | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.011 0.011    
Recurring fair value | Equity warrant assets | Discount rate | Black-Scholes option pricing model | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.200 0.200    
Recurring fair value | Equity warrant assets | Discount rate | Black-Scholes option pricing model | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 1.000 1.000    
Recurring fair value | Equity warrant assets | Discount rate | Black-Scholes option pricing model | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.204 0.204    
Recurring fair value | Equity warrant assets | Volatility | Black-Scholes option pricing model | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.131 0.131    
Recurring fair value | Equity warrant assets | Volatility | Black-Scholes option pricing model | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 1.044 1.044    
Recurring fair value | Equity warrant assets | Volatility | Black-Scholes option pricing model | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.584 0.583    
Recurring fair value | Equity warrant assets | Risk-free interest rate | Black-Scholes option pricing model | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.039 0.037    
Recurring fair value | Equity warrant assets | Risk-free interest rate | Black-Scholes option pricing model | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.043 0.042    
Recurring fair value | Equity warrant assets | Risk-free interest rate | Black-Scholes option pricing model | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.043 0.042    
Recurring fair value | Equity warrant assets | Remaining life | Black-Scholes option pricing model | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, remaining life 2 years 3 months 18 days 2 years 6 months    
Recurring fair value | Equity warrant assets | Remaining life | Black-Scholes option pricing model | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, remaining life 11 years 9 months 18 days 11 years 6 months    
Recurring fair value | Equity warrant assets | Remaining life | Black-Scholes option pricing model | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, remaining life 8 years 8 years 2 months 12 days    
Non-recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value $ 45,604 $ 29,597    
Equity security investment with a non-readily determinable fair value   $ 2,101    
Non-recurring fair value | Revenue Multiple | Market Approach        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity security investment with a non-readily determinable fair value, measurement input   3.75    
Non-recurring fair value | Collateral-dependent loans | Discount rate | Market Approach | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Collateral-dependent loans, measurement input 0.061 0.100    
Non-recurring fair value | Collateral-dependent loans | Discount rate | Market Approach | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Collateral-dependent loans, measurement input 0.903 0.827    
Non-recurring fair value | Collateral-dependent loans | Discount rate | Market Approach | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Collateral-dependent loans, measurement input 0.332 0.397    
Non-recurring fair value | Foreclosed assets | Discount rate | Market Approach        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Foreclosed assets, measurement input   0.100    
Non-recurring fair value | Foreclosed assets | Discount rate | Market Approach | Minimum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Foreclosed assets, measurement input 0.071      
Non-recurring fair value | Foreclosed assets | Discount rate | Market Approach | Maximum        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Foreclosed assets, measurement input 0.100      
Non-recurring fair value | Foreclosed assets | Discount rate | Market Approach | Weighted Average        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Foreclosed assets, measurement input 0.100 0.100    
Level 3 | Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value $ 311,459 $ 325,424    
Servicing assets, fair value 64,520 62,941    
Level 3 | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value 244,940 260,625    
Level 3 | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value 1,916 1,775    
Level 3 | Recurring fair value | Municipal bond        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value 83 83    
Level 3 | Non-recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value 45,604 29,597    
Equity security investment with a non-readily determinable fair value   2,101    
Level 3 | Non-recurring fair value | Collateral-dependent loans        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value 36,054 20,619    
Level 3 | Non-recurring fair value | Foreclosed assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, Fair Value $ 9,550 $ 6,877