Loans - Schedule of Nonaccrual Loans by Loan Category (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	$ 26,375	$ 26,624
Nonaccrual Loans With an Allowance	8,953	9,486
Total Nonaccrual Loans	35,328	36,110
Allowance for Credit Losses	4,857	5,832
Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	144	148
Nonaccrual Loans With an Allowance	18	19
Total Nonaccrual Loans	162	167
Allowance for Credit Losses	7	8
Commercial real estate - owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	6,891	7,893
Nonaccrual Loans With an Allowance	274	288
Total Nonaccrual Loans	7,165	8,181
Allowance for Credit Losses	274	287
Commercial real estate - non owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	3,946	5,666
Nonaccrual Loans With an Allowance	3,925	2,418
Total Nonaccrual Loans	7,871	8,084
Allowance for Credit Losses	1,746	1,640
Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	11,592	9,520
Nonaccrual Loans With an Allowance	2,021	2,972
Total Nonaccrual Loans	13,613	12,492
Allowance for Credit Losses	1,123	1,587
Commercial and financial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	3,751	3,175
Nonaccrual Loans With an Allowance	2,343	3,429
Total Nonaccrual Loans	6,094	6,604
Allowance for Credit Losses	1,620	2,235
Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	51	222
Nonaccrual Loans With an Allowance	372	360
Total Nonaccrual Loans	423	582
Allowance for Credit Losses	$ 87	$ 75