Commitments and Contingencies (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other Commitments [Line Items]
Commitments and contingencies
Commitments to extend credit: | Home equity
Other Commitments [Line Items]
Commitments and contingencies	243,385	232,295
Commitments to extend credit: | Commercial real estate
Other Commitments [Line Items]
Commitments and contingencies	62,961	53,226
Commitments to extend credit: | Other commitments
Other Commitments [Line Items]
Commitments and contingencies	315,440	257,222
Standby letters of credit
Other Commitments [Line Items]
Commitments and contingencies	5,301	5,205
Commercial letters of credit
Other Commitments [Line Items]
Commitments and contingencies	$ 2,526	$ 2,006