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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Analysis of Past-Due Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total Loans | $ 20,706,644 | $ 20,739,906
Loans 90 Days or More Past Due and Still Accruing | 14,930 | 17,733
Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 215,121 | 244,978
Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 75,419 | 106,949
Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 34,678 | 31,540
Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 105,024 | 106,489
Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 20,491,523 | 20,494,928
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 3,075,971 | 2,953,135
Loans 90 Days or More Past Due and Still Accruing | 4,778 | 5,159
Commercial and industrial | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 31,743 | 31,057
Commercial and industrial | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 12,901 | 12,300
Commercial and industrial | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 6,429 | 5,908
Commercial and industrial | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 12,413 | 12,849
Commercial and industrial | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 3,044,228 | 2,922,078
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 213,902 | 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 | 1,924 | 3,548
Consumer | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,124 | 2,672
Consumer | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 483 | 557
Consumer | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 317 | 319
Consumer | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 211,978 | 218,187
Mortgage warehouse |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 891,412 | 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 | 891,412 | 965,053
Municipal |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 429,227 | 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 | 429,227 | 441,408
Premium finance |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,176,309 | 1,155,614
Loans 90 Days or More Past Due and Still Accruing | 10,152 | 12,485
Premium finance | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 28,523 | 33,868
Premium finance | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 12,085 | 15,068
Premium finance | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 6,286 | 6,315
Premium finance | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 10,152 | 12,485
Premium finance | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,147,786 | 1,121,746
Real estate – construction and development |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,842,431 | 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 | 9,524 | 27,349
Real estate – construction and development | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 5,803 | 23,102
Real estate – construction and development | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,076 | 461
Real estate – construction and development | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 2,645 | 3,786
Real estate – construction and development | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,832,907 | 1,971,157
Real estate – commercial and farmland |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 8,574,626 | 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 | 15,015 | 15,202
Real estate – commercial and farmland | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 7,389 | 6,787
Real estate – commercial and farmland | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 973 | 2,435
Real estate – commercial and farmland | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 6,653 | 5,980
Real estate – commercial and farmland | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 8,559,611 | 8,430,756
Real estate – residential |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 4,502,766 | 4,558,497
Loans 90 Days or More Past Due and Still Accruing | 0 | 0
Real estate – residential | Total Loans Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 128,392 | 133,954
Real estate – residential | Loans 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 36,117 | 47,020
Real estate – residential | Loans 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 19,431 | 15,864
Real estate – residential | Loans 90 or More Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 72,844 | 71,070
Real estate – residential | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | $ 4,374,374 | $ 4,424,543

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