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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Analysis of Past-Due Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | $ 20,739,906 | $ 20,269,303
Loans 90 Days or More Past Due and Still Accruing | 17,733 | 16,988
Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 244,978 | 272,839
Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 106,949 | 82,850
Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 31,540 | 34,281
Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 106,489 | 155,708
Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 20,494,928 | 19,996,464
Commercial and Industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 2,953,135 | 2,688,929
Loans 90 Days or More Past Due and Still Accruing | 5,159 | 5,310
Commercial and Industrial | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 31,057 | 26,195
Commercial and Industrial | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 12,300 | 11,023
Commercial and Industrial | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 5,908 | 5,439
Commercial and Industrial | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 12,849 | 9,733
Commercial and Industrial | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 2,922,078 | 2,662,734
Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 221,735 | 275,809
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Consumer | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 3,548 | 3,938
Consumer | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 2,672 | 2,308
Consumer | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 557 | 1,054
Consumer | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 319 | 576
Consumer | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 218,187 | 271,871
Mortgage Warehouse |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 965,053 | 818,728
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Mortgage Warehouse | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Mortgage Warehouse | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Mortgage Warehouse | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Mortgage Warehouse | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Mortgage Warehouse | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 965,053 | 818,728
Municipal |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 441,408 | 492,668
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Municipal | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Municipal | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Municipal | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Municipal | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 0 | 0
Municipal | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 441,408 | 492,668
Premium Finance |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 1,155,614 | 946,562
Loans 90 Days or More Past Due and Still Accruing | 12,485 | 11,678
Premium Finance | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 33,868 | 30,889
Premium Finance | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 15,068 | 12,379
Premium Finance | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 6,315 | 6,832
Premium Finance | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 12,485 | 11,678
Premium Finance | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 1,121,746 | 915,673
Real Estate – Construction and Development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 1,998,506 | 2,129,187
Loans 90 Days or More Past Due and Still Accruing | 89 | 0
Real Estate – Construction and Development | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 27,349 | 2,376
Real Estate – Construction and Development | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 23,102 | 2,094
Real Estate – Construction and Development | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 461 | 0
Real Estate – Construction and Development | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 3,786 | 282
Real Estate – Construction and Development | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 1,971,157 | 2,126,811
Real Estate – Commercial and Farmland |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 8,445,958 | 8,059,754
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Real Estate – Commercial and Farmland | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 15,202 | 13,078
Real Estate – Commercial and Farmland | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 6,787 | 5,070
Real Estate – Commercial and Farmland | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 2,435 | 1,656
Real Estate – Commercial and Farmland | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 5,980 | 6,352
Real Estate – Commercial and Farmland | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 8,430,756 | 8,046,676
Real Estate - Residential |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 4,558,497 | 4,857,666
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Real Estate - Residential | Total Loans Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 133,954 | 196,363
Real Estate - Residential | Loans 30-59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 47,020 | 49,976
Real Estate - Residential | Loans 60-89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 15,864 | 19,300
Real Estate - Residential | Loans 90 or More Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | 71,070 | 127,087
Real Estate - Residential | Current Loans |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, net of unearned income | $ 4,424,543 | $ 4,661,303

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