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Servicing Assets - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Servicing Assets At Amortized Value [Line Items]      
Valuation allowance for impairment $ 0   $ 0
Servicing assets $ 18,010,000 $ 15,200,000 $ 16,845,000
Minimum      
Servicing Assets At Amortized Value [Line Items]      
Fair value of servicing assets, discount rates 4.75% 3.75%  
Fair value of servicing assets, prepayment speed 13.10% 14.90%  
Maximum      
Servicing Assets At Amortized Value [Line Items]      
Fair value of servicing assets, discount rates 10.25% 10.00%  
Fair value of servicing assets, prepayment speed 13.20% 15.30%