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Goodwill and Intangible Assets - Schedule of Reconciliation of Purchase Price Paid for Acquisition and Goodwill Recorded (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021 | Feb. 22, 2021
Less purchase accounting adjustments: |  |  |  |
Goodwill | $ 140,465 | $ 111,853 |  |
Delta Bancshares Company |  |  |  |
Goodwill [Line Items] |  |  |  |
Unallocated purchase price | 29,791 |  |  |
Less purchase accounting adjustments: |  |  |  |
Fair value of securities | (2,836) |  |  |
Fair value of loans, net | (3,399) |  |  |
Fair value of premises and equipment | 3,508 |  |  |
Fair value of time deposits | (1,759) |  |  |
Fair value of FHLB advances | (75) |  |  |
Core deposit intangible | 5,920 |  |  |
Other assets | (623) |  |  |
Other liabilities | 444 |  |  |
Goodwill, purchase accounting adjustments | 1,180 |  |  |
Goodwill | 28,611 |  |  |
LINCO Bancshares, Inc. |  |  |  |
Goodwill [Line Items] |  |  |  |
Unallocated purchase price | 12,248 |  |  |
Less purchase accounting adjustments: |  |  |  |
Fair value of securities | 264 |  |  |
Fair value of loans, net | (2,818) |  |  |
Fair value of other real estate owned | 915 |  |  |
Fair value of premises and equipment | 6,360 |  |  |
Fair value of time deposits | (2,081) |  |  |
Fair value of FHLB advances | (975) |  |  |
Core deposit intangible | 2,025 |  |  |
Other assets | 3,293 |  |  |
Other liabilities | (184) |  |  |
Goodwill, purchase accounting adjustments | 6,799 |  |  |
Goodwill | $ 5,449 |  | $ 8,900 | $ 5,449

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