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LOANS AND ALLOWANCE - Past Due Aging of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 12,241,461 | $ 12,003,894
Loans > 90 Days or More Past Due And Accruing | 7,032 | 1,737
Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 12,158,608 | 11,952,887
30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 28,871 | 29,051
60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 26,936 | 5,935
Increase (decrease) in past due loans | 21,000 |
90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 27,046 | 16,021
Increase (decrease) in past due loans | (11,000) |
Commercial and industrial loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,502,204 | 3,437,126
Loans > 90 Days or More Past Due And Accruing | 4,631 | 1,147
Commercial and industrial loans | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,480,761 | 3,429,314
Commercial and industrial loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,438 | 4,904
Commercial and industrial loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 9,995 | 434
Increase (decrease) in past due loans | 9,600 |
Commercial and industrial loans | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,010 | 2,474
Increase (decrease) in past due loans | 4,500 |
Agricultural land, production and other loans to farmers |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 219,598 | 241,793
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 | 219,571 | 241,739
Agricultural land, production and other loans to farmers | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Agricultural land, production and other loans to farmers | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Agricultural land, production and other loans to farmers | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 27 | 54
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 960,979 | 835,582
Loans > 90 Days or More Past Due And Accruing | 0 | 0
Construction | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 957,367 | 832,716
Construction | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,612 | 2,436
Construction | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 418
Construction | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 12
Commercial real estate, non-owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,375,410 | 2,407,475
Loans > 90 Days or More Past Due And Accruing | 797 | 264
Commercial real estate, non-owner occupied | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,353,426 | 2,395,495
Commercial real estate, non-owner occupied | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,154 | 5,946
Commercial real estate, non-owner occupied | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,891 | 881
Increase (decrease) in past due loans | 3,000 |
Commercial real estate, non-owner occupied | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 10,939 | 5,153
Increase (decrease) in past due loans | 5,800 |
Commercial real estate, owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,244,117 | 1,246,528
Loans > 90 Days or More Past Due And Accruing | 1,588 | 0
Commercial real estate, owner occupied | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,231,113 | 1,241,714
Commercial real estate, owner occupied | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,757 | 4,495
Commercial real estate, owner occupied | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,444 | 0
Increase (decrease) in past due loans | 7,400 |
Commercial real estate, owner occupied | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,803 | 319
Residential |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,185,943 | 2,096,655
Loans > 90 Days or More Past Due And Accruing | 0 | 0
Residential | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,170,577 | 2,079,959
Residential | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 6,667 | 8,607
Residential | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,759 | 2,278
Residential | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 5,940 | 5,811
Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 621,354 | 630,632
Loans > 90 Days or More Past Due And Accruing | 16 | 326
Home equity | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 615,199 | 624,543
Home equity | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,626 | 2,206
Home equity | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,214 | 1,782
Home equity | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,315 | 2,101
Individuals' loans for household and other personal expenditures |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 172,389 | 175,211
Loans > 90 Days or More Past Due And Accruing | 0 | 0
Individuals' loans for household and other personal expenditures | Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 171,336 | 174,629
Individuals' loans for household and other personal expenditures | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 408 | 343
Individuals' loans for household and other personal expenditures | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 633 | 142
Individuals' loans for household and other personal expenditures | 90 Days or More Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 12 | 97
Public finance and other commercial loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 959,467 | 932,892
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 | 959,258 | 932,778
Public finance and other commercial loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 209 | 114
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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