Loans - Schedule of Loans in Deferral (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Value of loans deferred, not classified as TDRs	$ 28,408	$ 74,062
Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Value of loans deferred, not classified as TDRs	1,037	1,032
Commercial real estate - owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Value of loans deferred, not classified as TDRs	2,204	14,248
Commercial real estate - non owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Value of loans deferred, not classified as TDRs	8,797	32,549
Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Value of loans deferred, not classified as TDRs	5,286	12,839
Commercial and financial
Financing Receivable, Nonaccrual [Line Items]
Value of loans deferred, not classified as TDRs	9,949	11,915
Consumer
Financing Receivable, Nonaccrual [Line Items]
Value of loans deferred, not classified as TDRs	$ 1,135	$ 1,479