Allowance for Loan Losses - Schedule of credit quality information (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing receivable, credit quality indicator
Total loans	$ 1,689,737	$ 1,665,554
Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	368,370	342,491
Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	1,083,194	968,442
Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	189,644	231,090
Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	47,878	122,945
Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	651	586
Pass
Financing receivable, credit quality indicator
Total loans	1,682,707	1,657,789
Pass | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	368,260	342,377
Pass | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	1,076,274	961,177
Pass | Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	189,644	230,704
Pass | Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	47,878	122,945
Pass | Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Total loans	651	586
Special Mention
Financing receivable, credit quality indicator
Total loans	6,920	7,029
Special Mention | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	6,920	7,029
Substandard
Financing receivable, credit quality indicator
Total loans	110	736
Substandard | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Total loans	$ 110	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