Allowance for Loan Losses - Schedule of credit quality information (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing receivable, credit quality indicator
Total loans	$ 1,785,448	$ 1,665,554
Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	426,841	342,491
Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	1,118,127	968,442
Commercial Real Estate | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Total loans		122,945
Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	195,027	231,090
Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	44,924	122,945
Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	529	586
Pass
Financing receivable, credit quality indicator
Total loans	1,782,061	1,657,789
Pass | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	426,841	342,377
Pass | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	1,116,890	961,177
Pass | Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	192,877	230,704
Pass | Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	44,924	122,945
Pass | Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	529	586
Special Mention
Financing receivable, credit quality indicator
Total loans	3,387	7,029
Special Mention | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	1,237	7,029
Special Mention | Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	$ 2,150
Substandard
Financing receivable, credit quality indicator
Total loans		736
Substandard | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans		114
Substandard | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans		236
Substandard | Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans		$ 386