Fair Value of Assets and Liabilities - Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Fair value, assets and liabilities measured on recurring and non recurring basis
Servicing rights	$ 2,083	$ 2,062	$ 2,236	$ 2,314
Non recurring
Fair value, assets and liabilities measured on recurring and non recurring basis
Collateral dependent loans	4,033	3,998
Foreclosed assets	3	32
Servicing rights	1,983
Net impairment		2,052
Non recurring | Level 3
Fair value, assets and liabilities measured on recurring and non recurring basis
Collateral dependent loans	4,033	3,998
Foreclosed assets	3	32
Servicing rights	$ 1,983
Net impairment		$ 2,052