LOANS (Accruing loans - aging analysis) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	$ 69,115	$ 95,426
Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	249		$ 2,194
Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	1,961		0
30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	1,961		0
90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	4,401		12,822
Commercial and industrial | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	25,972	46,815
Commercial and industrial | Commercial and industrial | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0		0
Commercial and industrial | Commercial and industrial | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Commercial and industrial | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Commercial and industrial | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Commercial and industrial | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	1,285		4,233
Commercial and industrial | Non-owner occupied commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	10,258	367
Commercial and industrial | Non-owner occupied commercial real estate | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0
Commercial and industrial | Non-owner occupied commercial real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	614
Commercial and industrial | Non-owner occupied commercial real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Non-owner occupied commercial real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	614
Commercial and industrial | Non-owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Non-owner occupied commercial real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Commercial and industrial | Real Estate Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	162	783
Commercial and industrial | Real Estate Construction | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	86		1,453
Commercial and industrial | Real Estate Construction | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Real Estate Construction | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Real Estate Construction | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Real Estate Construction | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Commercial and industrial | Real Estate Construction | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	3,116		0
Commercial and industrial | Owner occupied commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	5,411	31,592
Commercial and industrial | Owner occupied commercial real estate | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual			0
Commercial and industrial | Owner occupied commercial real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Commercial and industrial | Owner occupied commercial real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Commercial and industrial | Owner occupied commercial real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Commercial and industrial | Owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Commercial and industrial | Owner occupied commercial real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			5,043
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	5,308	5,086
Residential real estate | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0		741
Residential real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	1,347		0
Residential real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Residential real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	1,347		0
Residential real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Residential real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0		0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	1,646	1,573
Consumer | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	163
Consumer | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Consumer | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Consumer | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Consumer | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Consumer | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0
Agricultural and agricultural real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	$ 20,358	$ 9,210
Agricultural and agricultural real estate | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual			0
Agricultural and agricultural real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Agricultural and agricultural real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Agricultural and agricultural real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Agricultural and agricultural real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			0
Agricultural and agricultural real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans			$ 3,546