Allowance for Loan Losses - Schedule of credit quality information (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing receivable, credit quality indicator
Total loans	$ 1,721,931	$ 1,665,554
Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	385,696	342,491
Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	1,091,221	968,442
Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	199,324	231,090
Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	45,105	122,945
Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	585	586
Pass
Financing receivable, credit quality indicator
Total loans	1,719,673	1,657,789
Pass | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	385,588	342,377
Pass | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	1,091,221	961,177
Pass | Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	197,174	230,704
Pass | Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	45,105	122,945
Pass | Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	585	586
Special Mention
Financing receivable, credit quality indicator
Total loans	2,150	7,029
Special Mention | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans		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	108	736
Substandard | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	$ 108	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