Servicing Assets - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Servicing Assets At Amortized Value [Line Items]
Valuation allowance for impairment	$ 0		$ 0
Servicing assets	$ 16,500,000	$ 17,000,000.0	$ 17,218,000
Minimum
Servicing Assets At Amortized Value [Line Items]
Fair value of servicing assets, discount rates	3.75%	4.50%
Fair value of servicing assets, prepayment speed	12.80%	12.60%
Maximum
Servicing Assets At Amortized Value [Line Items]
Fair value of servicing assets, discount rates	11.25%	11.22%
Fair value of servicing assets, prepayment speed	13.20%	13.20%