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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Past Due Aging of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 13,004,905 | $ 12,854,359
Loans > 90 Days or More Past Due And Accruing | 4,280 | 5,902
Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 12,864,875 | 12,738,196
30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 37,640 | 35,773
60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 53,214 | 32,581
90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 49,176 | 47,809
Commercial and industrial loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,306,597 | 4,114,292
Loans > 90 Days or More Past Due And Accruing | 3,905 | 2,010
Commercial and industrial loans | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,260,713 | 4,096,605
Commercial and industrial loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 13,082 | 7,428
Commercial and industrial loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 25,602 | 473
Commercial and industrial loans | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,200 | 9,786
Agricultural land, production and other loans to farmers |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 243,864 | 256,312
Loans > 90 Days or More Past Due And Accruing | 0 | 0
Agricultural land, production and other loans to farmers | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 243,504 | 256,148
Agricultural land, production and other loans to farmers | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 119 | 164
Agricultural land, production and other loans to farmers | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 241 | 0
Agricultural land, production and other loans to farmers | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 793,175 | 792,144
Loans > 90 Days or More Past Due And Accruing | 0 | 3,683
Construction | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 777,629 | 761,819
Construction | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 35 | 4,332
Construction | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 15,226 | 22,005
Construction | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 285 | 3,988
Commercial real estate, non-owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,177,869 | 2,274,016
Loans > 90 Days or More Past Due And Accruing | 0 | 0
Commercial real estate, non-owner occupied | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,159,499 | 2,259,549
Commercial real estate, non-owner occupied | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,878 | 2,407
Commercial real estate, non-owner occupied | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,869 | 1,718
Commercial real estate, non-owner occupied | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 11,623 | 10,342
Commercial real estate, owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,214,739 | 1,157,944
Loans > 90 Days or More Past Due And Accruing | 183 | 0
Commercial real estate, owner occupied | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,202,715 | 1,153,861
Commercial real estate, owner occupied | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,020 | 3,783
Commercial real estate, owner occupied | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,496 | 0
Commercial real estate, owner occupied | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,508 | 300
Residential |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,389,852 | 2,374,729
Loans > 90 Days or More Past Due And Accruing | 192 | 208
Residential | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,352,273 | 2,337,002
Residential | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 12,758 | 12,302
Residential | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,027 | 6,606
Residential | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 19,794 | 18,819
Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 650,499 | 659,811
Loans > 90 Days or More Past Due And Accruing | 0 | 0
Home equity | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 641,332 | 649,238
Home equity | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,840 | 4,431
Home equity | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 561 | 1,569
Home equity | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,766 | 4,573
Individuals' loans for household and other personal expenditures |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 140,954 | 166,028
Loans > 90 Days or More Past Due And Accruing | 0 | 1
Individuals' loans for household and other personal expenditures | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 139,854 | 164,891
Individuals' loans for household and other personal expenditures | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 908 | 926
Individuals' loans for household and other personal expenditures | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 192 | 210
Individuals' loans for household and other personal expenditures | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 1
Public finance and other commercial loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,087,356 | 1,059,083
Loans > 90 Days or More Past Due And Accruing | 0 | 0
Public finance and other commercial loans | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,087,356 | 1,059,083
Public finance and other commercial loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Public finance and other commercial loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Public finance and other commercial loans | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 0 | $ 0

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