v3.26.1
Fair Value of Financial Instruments - Schedule of Analysis of Level 3 Valuation Techniques (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
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 $ 66,575 $ 64,520 $ 62,941 $ 60,085 $ 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 1,768,583   1,752,761      
Servicing assets, fair value $ 66,575   $ 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 assets, 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 assets, 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 assets, measurement input 0.124   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 assets, 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 assets, measurement input 0.167   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 0.087   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 0.161   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 0.305   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 0.049   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 0.203   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 0.588   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 0.042   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 0.044   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 0.044   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 7 months 6 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 7 years 10 months 24 days   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 $ 33,379   $ 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 0.100   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 0.824   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 0.251   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 0.000          
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 $ 300,811   $ 325,424      
Servicing assets, fair value 66,575   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 232,088   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 2,065   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 33,379   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 32,469   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 $ 910   $ 6,877