Loans - Classification of Loans By Class (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 1,701,384	$ 1,649,448
SBA 504 loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	27,534	27,479
SBA loans held for investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	33,048	36,075
SBA PPP loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	28,618	46,450
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	979,911	931,726
Commercial loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	728,652	704,674
Commercial loans | Commercial real estate construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	103,380	89,670
Commercial loans | Consumer other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	120,345	109,903
Residential mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	427,165	409,355
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	77,702	77,944
Consumer loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	63,536	65,380
Consumer loans | Consumer other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	14,166	12,564
Residential construction loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	129,658	120,525
Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,676,102	1,622,075
SBA loans held for sale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 25,282	$ 27,373