LOANS AND ALLOWANCE - Payment Status (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	$ 5,150	$ 26,245
30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	129
90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	1,715
Commercial and industrial loans | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	4,605	9,224
Commercial and industrial loans | 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	0
Commercial and industrial loans | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	98
Agricultural land, production and other loans to farmers | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers		37
Construction | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers		17
Commercial real estate, non-owner occupied | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers		6,063
Commercial real estate, owner occupied | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	189	$ 10,904
Commercial real estate, owner occupied | 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	7
Commercial real estate, owner occupied | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	0
Residential | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	0
Residential | 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	122
Residential | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	1,617
Home equity | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	356
Home equity | 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	0
Home equity | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan Modifications Made to Borrowers	$ 0