LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES, Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	$ 21,153	$ 18,552	$ 17,304
Allowance for credit loss on PCD acquired loans		1,689
Charge-offs	(2,673)	(1,329)	(472)
Recoveries	43	49	37
Provision	3,176	5,492	1,683
Balance at end of period	21,699	21,153	18,552
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		(3,300)
Balance at end of period			(3,300)
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs	(5)	(1)
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs	0	0
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs	0	0
Real Estate Loans [Member] | Residential [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	2,354	1,056	1,147
Allowance for credit loss on PCD acquired loans		108
Charge-offs	(5)	(1)	0
Recoveries	0	0	0
Provision	(409)	1,112	(91)
Balance at end of period	1,940	2,354	1,056
Real Estate Loans [Member] | Residential [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		79
Balance at end of period			79
Real Estate Loans [Member] | Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	9,178	10,120	8,099
Allowance for credit loss on PCD acquired loans		39
Charge-offs	0	0	0
Recoveries	0	0	3
Provision	(4)	2,089	2,018
Balance at end of period	9,174	9,178	10,120
Real Estate Loans [Member] | Commercial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		(3,070)
Balance at end of period			(3,070)
Real Estate Loans [Member] | Agricultural [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	3,264	4,589	4,729
Allowance for credit loss on PCD acquired loans		0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	265	(180)	(140)
Balance at end of period	3,529	3,264	4,589
Real Estate Loans [Member] | Agricultural [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		(1,145)
Balance at end of period			(1,145)
Real Estate Loans [Member] | Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	1,950	801	434
Allowance for credit loss on PCD acquired loans		37
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	(548)	1,215	367
Balance at end of period	1,402	1,950	801
Real Estate Loans [Member] | Construction [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		(103)
Balance at end of period			(103)
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	1,496	135	262
Allowance for credit loss on PCD acquired loans		677
Charge-offs	(107)	(365)	(37)
Recoveries	22	40	21
Provision	(6)	(31)	(111)
Balance at end of period	1,405	1,496	135
Consumer [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		1,040
Balance at end of period			1,040
Other Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	2,229	1,040	1,023
Allowance for credit loss on PCD acquired loans		828
Charge-offs	(2,561)	(963)	(435)
Recoveries	21	9	13
Provision	4,010	1,643	439
Balance at end of period	3,699	2,229	1,040
Other Commercial Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		(328)
Balance at end of period			(328)
Other Agricultural Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	270	489	558
Allowance for credit loss on PCD acquired loans		0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	(137)	0	(69)
Balance at end of period	133	270	489
Other Agricultural Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		(219)
Balance at end of period			(219)
State and Political Subdivision Loans [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	45	322	281
Allowance for credit loss on PCD acquired loans		0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	16	3	41
Balance at end of period	61	45	322
State and Political Subdivision Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		(280)
Balance at end of period			(280)
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	367	0	771
Allowance for credit loss on PCD acquired loans		0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	(11)	(359)	(771)
Balance at end of period	$ 356	367	0
Unallocated [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period		$ 726
Balance at end of period			$ 726