Loans - Schedule of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	$ 35,297	$ 47,902
Construction and land development
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	31	189
Commercial real estate - owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	5,152	11,992
Commercial real estate - non owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	5,190	7,285
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	15,039	16,652
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	9,302	11,198
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	$ 583	$ 586