LOANS AND ALLOWANCE - Troubled Debt Restructurings by Modification Type (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 908,000	$ 6,510,000
Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	26,570,000	35,397,000
Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	134,000	6,256,000
Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 1,000	$ 473,000
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable	0.25%	0.46%
Commercial and industrial loans | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 908,000	$ 908,000
Payment Delay	24,000	24,000
Commercial and industrial loans | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 7,734,000	$ 14,822,000
Term Extension	8 months	8 months
Commercial and industrial loans | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 134,000	$ 239,000
Term Extension	14 months	13 months
Commercial and industrial loans | Combination Interest Rate Reduction & Term Extension | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduced the weighted average contractual interest rate	10.75%	9.66%
Commercial and industrial loans | Combination Interest Rate Reduction & Term Extension | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduced the weighted average contractual interest rate	7.62%	7.39%
Commercial and industrial loans | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 0
Agricultural land, production and other loans to farmers
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable		0.01%
Agricultural land, production and other loans to farmers | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 0
Agricultural land, production and other loans to farmers | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 34,000
Term Extension		60 months
Agricultural land, production and other loans to farmers | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 0
Agricultural land, production and other loans to farmers | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 0
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable		0.00%
Construction | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 0
Construction | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 13,000
Term Extension		24 months
Construction | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 0
Construction | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 0
Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable	0.50%	0.75%
Commercial real estate, non-owner occupied | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 0
Commercial real estate, non-owner occupied | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 11,823,000	$ 11,823,000
Term Extension	11 months	10 months
Commercial real estate, non-owner occupied | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 5,942,000
Term Extension		41 months
Commercial real estate, non-owner occupied | Combination Interest Rate Reduction & Term Extension | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduced the weighted average contractual interest rate		7.81%
Commercial real estate, non-owner occupied | Combination Interest Rate Reduction & Term Extension | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduced the weighted average contractual interest rate		7.40%
Commercial real estate, non-owner occupied | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 0
Commercial real estate, owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable	0.60%	1.24%
Commercial real estate, owner occupied | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 5,602,000
Payment Delay		4,500,000
Commercial real estate, owner occupied | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 6,950,000	$ 8,642,000
Term Extension	4 months	4 months
Commercial real estate, owner occupied | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 75,000
Term Extension		114 months
Commercial real estate, owner occupied | Combination Interest Rate Reduction & Term Extension | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduced the weighted average contractual interest rate		10.25%
Commercial real estate, owner occupied | Combination Interest Rate Reduction & Term Extension | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduced the weighted average contractual interest rate		6.61%
Commercial real estate, owner occupied | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	0	$ 0
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable		0.02%
Residential | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		$ 0
Residential | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		0
Residential | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		0
Residential | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers		472,000
Payment Delay	$ 300	$ 3,400
Term Extension	3 months	3 months
Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable	0.01%	0.01%
Home equity | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 0
Home equity | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 63,000	$ 63,000
Term Extension	5 months	5 months
Home equity | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 0
Home equity | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	0
Payment Delay		$ 300
Term Extension		3 months
Individuals' loans for household and other personal expenditures
Accounts, Notes, Loans and Financing Receivable [Line Items]
% of Total Class of Financing Receivable	0.00%	0.00%
Individuals' loans for household and other personal expenditures | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 0	$ 0
Individuals' loans for household and other personal expenditures | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	0	0
Individuals' loans for household and other personal expenditures | Combination Interest Rate Reduction & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	0	0
Individuals' loans for household and other personal expenditures | Combination Payment Delay & Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Modifications Made to Borrowers	$ 1,000	$ 1,000