Acquisitions and Divestitures - Summary of Assets and Liabilities in Disposal Group, Branch (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Assets held for sale	$ 260,085	$ 0
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Deposits held for sale	377,698	$ 0
Branch Disposal Group | Disposal Group, Held-for-sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Total loans	159,169
Goodwill	3,217
Intangible assets	1,394
Premises and equipment, net	13,633
Other assets	1,853
Assets held for sale	179,266
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Noninterest bearing	102,950
Interest bearing	264,314
Deposits held for sale	367,264
Branch Disposal Group | Commercial real estate | Disposal Group, Held-for-sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Total loans	31,752
Branch Disposal Group | Construction, land development, land | Disposal Group, Held-for-sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Total loans	1,112
Branch Disposal Group | 1-4 family residential | Disposal Group, Held-for-sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Total loans	12,908
Branch Disposal Group | Farmland | Disposal Group, Held-for-sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Total loans	56,320
Branch Disposal Group | Commercial | Disposal Group, Held-for-sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Total loans	56,245
Branch Disposal Group | Consumer | Disposal Group, Held-for-sale, Not Discontinued Operations
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Total loans	$ 832