Loans - Schedule of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	$ 47,157	$ 47,902
Construction and land development
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	181	189
Commercial real estate - owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	11,503	11,992
Commercial real estate - non owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	7,114	7,285
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	17,460	16,652
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	10,475	11,198
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	$ 424	$ 586