LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES, Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	$ 12,187	$ 6,938
Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	9,244	6,591
Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,242	347
None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	701	0
Real Estate Loans [Member] | Mortgages [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,961	562
Real Estate Loans [Member] | Mortgages [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,961	562
Real Estate Loans [Member] | Mortgages [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Mortgages [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Home Equity [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	121	29
Real Estate Loans [Member] | Home Equity [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	121	29
Real Estate Loans [Member] | Home Equity [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Home Equity [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Commercial [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,135	2,778
Real Estate Loans [Member] | Commercial [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,135	2,778
Real Estate Loans [Member] | Commercial [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Commercial [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Agricultural [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,670	3,222
Real Estate Loans [Member] | Agricultural [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,670	3,222
Real Estate Loans [Member] | Agricultural [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Agricultural [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Construction [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,357	0
Real Estate Loans [Member] | Construction [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,357	0
Real Estate Loans [Member] | Construction [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Construction [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	701	0
Consumer [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	701	0
Other Commercial Loans [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,750	62
Other Commercial Loans [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Commercial Loans [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,750	62
Other Commercial Loans [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Agricultural Loans [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	492	285
Other Agricultural Loans [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Agricultural Loans [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	492	285
Other Agricultural Loans [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	$ 0	$ 0