v3.25.1
Fair Value of Financial Instruments - Schedule of Analysis of Level 3 Valuation Techniques (Details)
$ in Thousands
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Fair value of servicing rights $ 56,684 $ 55,788 $ 48,962 $ 48,186
Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value 1,693,547 1,640,357    
Fair value of servicing rights 56,684 55,788    
Recurring fair value | Level 3        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value 380,609 391,779    
Fair value of servicing rights 56,684 55,788    
Recurring fair value | Level 3 | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value 316,807 328,746    
Recurring fair value | Level 3 | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value 7,035 7,162    
Non-recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value 18,270 19,029    
Non-recurring fair value | Level 3        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value 18,270 19,029    
Non-recurring fair value | Level 3 | Collateral-dependent loans        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value 17,602 17,085    
Non-recurring fair value | Level 3 | Foreclosed assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value $ 668 $ 1,944    
Discounted expected cash flows | Discount rate | Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Measurement input 0.072 0.072    
Servicing asset, measurement input 0.135 0.135    
Discounted expected cash flows | Prepayment speed | Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Measurement input 0.050 0.050    
Discounted appraisals | Discount rate | Non-recurring fair value | Foreclosed assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Foreclosed assets, measurement input 0.100      
Minimum | Discounted expected cash flows | Discount rate | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.070 0.070    
Minimum | Discounted expected cash flows | Prepayment speed | Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.120 0.119    
Minimum | Discounted expected cash flows | Prepayment speed | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.150 0.143    
Minimum | Discounted expected cash flows | Loss rate | Recurring fair value | Loans held for investment        
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    
Minimum | Black-Scholes option pricing model | Discount rate | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.150 0.100    
Minimum | Black-Scholes option pricing model | Volatility | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.131 0.131    
Minimum | Black-Scholes option pricing model | Risk-free interest rate | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.041 0.045    
Minimum | Black-Scholes option pricing model | Remaining life | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, remaining life 2 years 8 months 12 days 2 years 10 months 24 days    
Minimum | Discounted appraisals | Discount rate | Non-recurring fair value | Collateral-dependent loans        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Collateral-dependent loans, measurement input 0.000 0.000    
Maximum | Discounted expected cash flows | Discount rate | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.180 0.180    
Maximum | Discounted expected cash flows | Prepayment speed | Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.186 0.183    
Maximum | Discounted expected cash flows | Prepayment speed | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.304 0.301    
Maximum | Discounted expected cash flows | Loss rate | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.066 0.063    
Maximum | Black-Scholes option pricing model | Discount rate | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.250 0.250    
Maximum | Black-Scholes option pricing model | Volatility | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.900 0.900    
Maximum | Black-Scholes option pricing model | Risk-free interest rate | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.043 0.046    
Maximum | Black-Scholes option pricing model | Remaining life | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, remaining life 11 years 4 months 24 days 12 years    
Maximum | Discounted appraisals | Discount rate | Non-recurring fair value | Collateral-dependent loans        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Collateral-dependent loans, measurement input 0.953 0.958    
Maximum | Discounted appraisals | Discount rate | Non-recurring fair value | Foreclosed assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Foreclosed assets, measurement input   0.100    
Weighted Average | Discounted expected cash flows | Discount rate | Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.135 0.135    
Weighted Average | Discounted expected cash flows | Discount rate | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.091 0.092    
Weighted Average | Discounted expected cash flows | Prepayment speed | Recurring fair value        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Servicing asset, measurement input 0.160 0.156    
Weighted Average | Discounted expected cash flows | Prepayment speed | Recurring fair value | Loans held for investment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Loans held for investment, measurement input 0.171 0.163    
Weighted Average | Discounted expected cash flows | Loss rate | Recurring fair value | Loans held for investment        
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    
Weighted Average | Black-Scholes option pricing model | Discount rate | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.171 0.138    
Weighted Average | Black-Scholes option pricing model | Volatility | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.333 0.321    
Weighted Average | Black-Scholes option pricing model | Risk-free interest rate | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, measurement input 0.042 0.045    
Weighted Average | Black-Scholes option pricing model | Remaining life | Recurring fair value | Equity warrant assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Equity warrant assets, remaining life 4 years 6 months 4 years 6 months    
Weighted Average | Discounted appraisals | Discount rate | Non-recurring fair value | Collateral-dependent loans        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Collateral-dependent loans, measurement input 0.454 0.454    
Weighted Average | Discounted appraisals | Discount rate | Non-recurring fair value | Foreclosed assets        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Foreclosed assets, measurement input 0.100 0.100    
Municipal bonds | Recurring fair value | Level 3        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Asset, fair value $ 83 $ 83