Loans and Allowance for Credit Losses - Schedule of Accrued Interest on Non Accrual Loans Reversed Through Interest Income (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	$ 598	$ 176	$ 290
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	438	58	73
Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	1	44	1
1-4 family residential properties
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	32	12	4
Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	39	27	65
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	86	32	142
Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	0	0	0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	2	3	5
Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Accrued interest reversed through interest income	$ 0	$ 0	$ 0