Property and Equipment, Net - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	$ 752	$ 796	$ 1,119
Accumulated depreciation and amortization	7,618	6,900
Data Warehouse and Loan Origination Systems (LOS)
Property Plant And Equipment [Line Items]
Total capitalized costs	5,700	5,700
Accumulated depreciation and amortization	4,400	$ 4,100
Capitalized software
Property Plant And Equipment [Line Items]
Estimated amortization expense, 2024	400
Estimated amortization expense, 2025	400
Estimated amortization expense, 2026	400
Estimated amortization expense, 2027	200
Estimated amortization expense, 2028	$ 100