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Loans - Schedule of Non-Purchased Loans and Leases (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023
--- | --- | --- | ---
Summary of loans |  |  |
Gross loans | $ 12,609,937 | $ 12,358,017 |
Unearned income | (5,182) | (6,787) |
Loans, net of unearned income | 12,604,755 | 12,351,230 | $ 11,930,516
Commercial, financial, agricultural |  |  |
Summary of loans |  |  |
Gross loans | 1,847,762 | 1,871,821 |
Loans, net of unearned income | 1,847,762 |  | 1,729,070
Lease financing |  |  |
Summary of loans |  |  |
Gross loans | 108,178 | 122,807 |
Loans, net of unearned income | 102,996 |  | 122,370
Real estate – construction: |  |  |
Summary of loans |  |  |
Gross loans | 1,355,425 | 1,333,397 |
Loans, net of unearned income | 1,355,425 |  | 1,369,019
Real estate – construction: | Residential |  |  |
Summary of loans |  |  |
Gross loans | 275,966 | 269,616 |
Real estate – construction: | Commercial |  |  |
Summary of loans |  |  |
Gross loans | 1,079,459 | 1,063,781 |
Real estate – 1-4 family mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 3,435,818 | 3,439,919 |
Loans, net of unearned income | 3,435,818 |  | 3,348,654
Real estate – 1-4 family mortgage: | Primary |  |  |
Summary of loans |  |  |
Gross loans | 2,415,150 | 2,422,482 |
Real estate – 1-4 family mortgage: | Home equity |  |  |
Summary of loans |  |  |
Gross loans | 529,803 | 522,688 |
Real estate – 1-4 family mortgage: | Rental/investment |  |  |
Summary of loans |  |  |
Gross loans | 388,305 | 373,755 |
Real estate – 1-4 family mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 102,560 | 120,994 |
Real estate – 1-4 family mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 102,560 | 120,994 |
Real estate – commercial mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 5,766,478 | 5,486,550 |
Loans, net of unearned income | 5,766,478 |  | 5,252,479
Real estate – commercial mortgage: | Owner-occupied |  |  |
Summary of loans |  |  |
Gross loans | 1,724,601 | 1,648,961 |
Real estate – commercial mortgage: | Non-owner occupied |  |  |
Summary of loans |  |  |
Gross loans | 3,938,351 | 3,733,174 |
Real estate – commercial mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 103,526 | 104,415 |
Installment loans to individuals |  |  |
Summary of loans |  |  |
Gross loans | 96,276 | $ 103,523 |
Loans, net of unearned income | $ 96,276 |  | $ 108,924

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