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Goodwill and Core Deposit Intangibles (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Core Deposit Intangibles | Changes in the carrying amount of the Company’s goodwill and core deposit intangibles for fiscal years 2024 and 2023 were as follows:
|  | Goodwill |  |  | Core Deposit Intangibles |
|  | (Dollars in thousands) |
Balance as of December 31, 2022 |  | $ | 3,231,636 |  |  | $ | 51,348 |
Less: |  |  |  |  |  |
Amortization |  |  | — |  |  |  | (12,676 | )
Add: |  |  |  |  |  |
First Bancshares merger |  |  | 164,450 |  |  |  | 25,322 |
Balance as of December 31, 2023 |  |  | 3,396,086 |  |  |  | 63,994 |
Less: |  |  |  |  |  |
Amortization |  |  | — |  |  |  | (15,670 | )
Add: |  |  |  |  |  |
Measurement period adjustment of First Bancshares merger |  |  | 316 |  |  |  | — |
Lone Star merger |  |  | 106,727 |  |  |  | 17,723 |
Balance as of December 31, 2024 |  | $ | 3,503,129 |  |  | $ | 66,047 |
Estimated Aggregate Future Amortization Expense for Core Deposit Intangibles | The estimated aggregate future amortization expense for core deposit intangibles remaining as of December 31, 2024 is as follows (dollars in thousands):
2025 |  | $ | 14,441 |
2026 |  |  | 12,763 |
2027 |  |  | 11,262 |
2028 |  |  | 9,958 |
Thereafter |  |  | 17,623 |
Total |  | $ | 66,047 |

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