LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES, Internal Credit Risk Ratings for Loan Class Segments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable by credit exposure [Abstract]
Total loans	$ 2,227,683	$ 1,706,447
Real Estate Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		296,863
Real Estate Loans [Member] | Commercial [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		876,569
Real Estate Loans [Member] | Commercial [Member] | Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		842,912
Real Estate Loans [Member] | Commercial [Member] | Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		28,047
Real Estate Loans [Member] | Commercial [Member] | Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		5,610
Real Estate Loans [Member] | Commercial [Member] | Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Real Estate Loans [Member] | Commercial [Member] | Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Real Estate Loans [Member] | Agricultural [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		313,614
Real Estate Loans [Member] | Agricultural [Member] | Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		295,443
Real Estate Loans [Member] | Agricultural [Member] | Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		11,960
Real Estate Loans [Member] | Agricultural [Member] | Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		6,211
Real Estate Loans [Member] | Agricultural [Member] | Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Real Estate Loans [Member] | Agricultural [Member] | Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Real Estate Loans [Member] | Construction [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		80,691
Real Estate Loans [Member] | Construction [Member] | Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		75,703
Real Estate Loans [Member] | Construction [Member] | Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		2,642
Real Estate Loans [Member] | Construction [Member] | Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		2,346
Real Estate Loans [Member] | Construction [Member] | Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Real Estate Loans [Member] | Construction [Member] | Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Other Commercial Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		63,222
Other Commercial Loans [Member] | Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		59,902
Other Commercial Loans [Member] | Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		2,953
Other Commercial Loans [Member] | Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		337
Other Commercial Loans [Member] | Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		30
Other Commercial Loans [Member] | Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Other Agricultural Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		34,832
Other Agricultural Loans [Member] | Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		32,708
Other Agricultural Loans [Member] | Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		1,307
Other Agricultural Loans [Member] | Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		817
Other Agricultural Loans [Member] | Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Other Agricultural Loans [Member] | Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
State and Political Subdivision Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		59,208
State and Political Subdivision Loans [Member] | Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		59,208
State and Political Subdivision Loans [Member] | Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
State and Political Subdivision Loans [Member] | Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
State and Political Subdivision Loans [Member] | Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
State and Political Subdivision Loans [Member] | Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		0
Total Loans [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		1,428,136
Total Loans [Member] | Pass [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		1,365,876
Total Loans [Member] | Special Mention [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		46,909
Total Loans [Member] | Substandard [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		15,321
Total Loans [Member] | Doubtful [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		30
Total Loans [Member] | Loss [Member]
Financing Receivable by credit exposure [Abstract]
Total loans		$ 0