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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Aging Of The Amortized Cost In Past Due Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | $ 4,870,965 | $ 4,710,396
Total Nonaccrual | 16,290 | 16,964
Nonaccrual With No Allowance For Credit Loss | 2,330 | 2,615
Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 4,852,877 | 4,692,144
30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 1,779 | 1,165
Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 19 | 123
Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 4,854,675 | 4,693,432
Commercial and industrial loans: | Working capital lines of credit loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 589,378 | 651,039
Total Nonaccrual | 5,372 | 1,442
Nonaccrual With No Allowance For Credit Loss | 109 | 0
Commercial and industrial loans: | Working capital lines of credit loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 583,816 | 649,529
Commercial and industrial loans: | Working capital lines of credit loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 190 | 68
Commercial and industrial loans: | Working capital lines of credit loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Commercial and industrial loans: | Working capital lines of credit loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 584,006 | 649,597
Commercial and industrial loans: | Non-working capital loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 812,471 | 841,695
Total Nonaccrual | 7,224 | 11,622
Nonaccrual With No Allowance For Credit Loss | 253 | 727
Commercial and industrial loans: | Non-working capital loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 805,042 | 830,033
Commercial and industrial loans: | Non-working capital loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 205 | 39
Commercial and industrial loans: | Non-working capital loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 1
Commercial and industrial loans: | Non-working capital loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 805,247 | 830,073
Commercial Real Estate and Multifamily Residential | Construction and land development loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 631,011 | 515,168
Total Nonaccrual | 0 | 0
Nonaccrual With No Allowance For Credit Loss | 0 | 0
Commercial Real Estate and Multifamily Residential | Construction and land development loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 631,011 | 515,168
Commercial Real Estate and Multifamily Residential | Construction and land development loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Commercial Real Estate and Multifamily Residential | Construction and land development loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Commercial Real Estate and Multifamily Residential | Construction and land development loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 631,011 | 515,168
Commercial Real Estate and Multifamily Residential | Owner occupied loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 810,643 | 757,516
Total Nonaccrual | 2,902 | 3,065
Nonaccrual With No Allowance For Credit Loss | 1,426 | 1,469
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 807,741 | 754,451
Commercial Real Estate and Multifamily Residential | Owner occupied loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Commercial Real Estate and Multifamily Residential | Owner occupied loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 807,741 | 754,451
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 740,251 | 705,662
Total Nonaccrual | 0 | 0
Nonaccrual With No Allowance For Credit Loss | 0 | 0
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 740,251 | 705,662
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Commercial Real Estate and Multifamily Residential | Nonowner occupied loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 740,251 | 705,662
Commercial Real Estate and Multifamily Residential | Multifamily loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 236,275 | 196,941
Total Nonaccrual | 0 | 0
Nonaccrual With No Allowance For Credit Loss | 0 | 0
Commercial Real Estate and Multifamily Residential | Multifamily loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 236,275 | 196,941
Commercial Real Estate and Multifamily Residential | Multifamily loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Commercial Real Estate and Multifamily Residential | Multifamily loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Commercial Real Estate and Multifamily Residential | Multifamily loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 236,275 | 196,941
Agri-business and agricultural loans: | Loans secured by farmland |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 183,232 | 201,178
Total Nonaccrual | 104 | 145
Nonaccrual With No Allowance For Credit Loss | 0 | 0
Agri-business and agricultural loans: | Loans secured by farmland | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 183,128 | 201,033
Agri-business and agricultural loans: | Loans secured by farmland | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Agri-business and agricultural loans: | Loans secured by farmland | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Agri-business and agricultural loans: | Loans secured by farmland | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 183,128 | 201,033
Agri-business and agricultural loans: | Loans for agricultural production |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 197,389 | 230,989
Total Nonaccrual | 0 | 0
Nonaccrual With No Allowance For Credit Loss | 0 | 0
Agri-business and agricultural loans: | Loans for agricultural production | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 197,389 | 230,989
Agri-business and agricultural loans: | Loans for agricultural production | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Agri-business and agricultural loans: | Loans for agricultural production | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Agri-business and agricultural loans: | Loans for agricultural production | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 197,389 | 230,989
Agri-business and agricultural loans: | Other commercial loans: |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 125,753 | 113,341
Total Nonaccrual | 0 | 0
Nonaccrual With No Allowance For Credit Loss | 0 | 0
Agri-business and agricultural loans: | Other commercial loans: | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 125,753 | 113,341
Agri-business and agricultural loans: | Other commercial loans: | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Agri-business and agricultural loans: | Other commercial loans: | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Agri-business and agricultural loans: | Other commercial loans: | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 125,753 | 113,341
Consumer 1-4 Family Mortgage | Closed end first mortgage loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 246,774 | 212,457
Total Nonaccrual | 482 | 293
Nonaccrual With No Allowance For Credit Loss | 336 | 225
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 245,544 | 211,736
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 729 | 306
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 19 | 122
Consumer 1-4 Family Mortgage | Closed end first mortgage loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 246,292 | 212,164
Consumer 1-4 Family Mortgage | Open end and junior lien loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 191,500 | 177,382
Total Nonaccrual | 202 | 188
Nonaccrual With No Allowance For Credit Loss | 202 | 188
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 191,127 | 176,758
Consumer 1-4 Family Mortgage | Open end and junior lien loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 171 | 436
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Consumer 1-4 Family Mortgage | Open end and junior lien loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 191,298 | 177,194
Consumer 1-4 Family Mortgage | Residential construction loans: |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 12,805 | 19,170
Total Nonaccrual | 0 | 0
Nonaccrual With No Allowance For Credit Loss | 0 | 0
Consumer 1-4 Family Mortgage | Residential construction loans: | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 12,805 | 19,170
Consumer 1-4 Family Mortgage | Residential construction loans: | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 0 | 0
Consumer 1-4 Family Mortgage | Residential construction loans: | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Consumer 1-4 Family Mortgage | Residential construction loans: | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 12,805 | 19,170
Consumer 1-4 Family Mortgage | Other consumer loans |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 93,483 | 87,858
Total Nonaccrual | 4 | 209
Nonaccrual With No Allowance For Credit Loss | 4 | 6
Consumer 1-4 Family Mortgage | Other consumer loans | Loans Not Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 92,995 | 87,333
Consumer 1-4 Family Mortgage | Other consumer loans | 30-89 Days Past Due |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | 484 | 316
Consumer 1-4 Family Mortgage | Other consumer loans | Greater than 89 Days Past Due and Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Greater than 89 Days Past Due and Accruing | 0 | 0
Consumer 1-4 Family Mortgage | Other consumer loans | Total Accruing |  |
Financing Receivable, Amortized Cost, Aging [Abstract] |  |
Loans | $ 93,479 | $ 87,649

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