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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Analysis of Past-Due Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total Loans | $ 21,041,497 | $ 20,739,906
Loans 90 Days or More Past Due and Still Accruing | 8,415 | 17,733
Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 200,031 | 244,978
Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 76,103 | 106,949
Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 38,602 | 31,540
Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 85,326 | 106,489
Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 20,841,466 | 20,494,928
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 3,184,211 | 2,953,135
Loans 90 Days or More Past Due and Still Accruing | 2 | 5,159
Commercial and industrial | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 26,442 | 31,057
Commercial and industrial | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 7,134 | 12,300
Commercial and industrial | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 6,912 | 5,908
Commercial and industrial | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 12,396 | 12,849
Commercial and industrial | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 3,157,769 | 2,922,078
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 209,990 | 221,735
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Consumer | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,819 | 3,548
Consumer | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,009 | 2,672
Consumer | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 332 | 557
Consumer | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 478 | 319
Consumer | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 208,171 | 218,187
Mortgage warehouse |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,092,475 | 965,053
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Mortgage warehouse | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Mortgage warehouse | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Mortgage warehouse | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Mortgage warehouse | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Mortgage warehouse | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,092,475 | 965,053
Municipal |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 436,759 | 441,408
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Municipal | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Municipal | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Municipal | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Municipal | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 0 | 0
Municipal | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 436,759 | 441,408
Premium finance |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,294,293 | 1,155,614
Loans 90 Days or More Past Due and Still Accruing | 8,340 | 12,485
Premium finance | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 26,288 | 33,868
Premium finance | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 11,511 | 15,068
Premium finance | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 6,437 | 6,315
Premium finance | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 8,340 | 12,485
Premium finance | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,268,005 | 1,121,746
Real estate – construction and development |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,485,842 | 1,998,506
Loans 90 Days or More Past Due and Still Accruing | 0 | 89
Real estate – construction and development | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 7,008 | 27,349
Real estate – construction and development | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 5,447 | 23,102
Real estate – construction and development | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 53 | 461
Real estate – construction and development | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,508 | 3,786
Real estate – construction and development | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,478,834 | 1,971,157
Real estate – commercial and farmland |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 8,877,750 | 8,445,958
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Real estate – commercial and farmland | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 11,626 | 15,202
Real estate – commercial and farmland | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,251 | 6,787
Real estate – commercial and farmland | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 3,955 | 2,435
Real estate – commercial and farmland | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 6,420 | 5,980
Real estate – commercial and farmland | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 8,866,124 | 8,430,756
Real estate – residential |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 4,460,177 | 4,558,497
Loans 90 Days or More Past Due and Still Accruing | 73 | 0
Real estate – residential | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 126,848 | 133,954
Real estate – residential | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 49,751 | 47,020
Real estate – residential | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 20,913 | 15,864
Real estate – residential | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 56,184 | 71,070
Real estate – residential | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | $ 4,333,329 | $ 4,424,543

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