LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES, Credit Exposures by Internally Assigned Grades, by Origination Year (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Total loans	$ 2,313,242	$ 2,248,836
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
Gross charge-offs	2,673	1,329	$ 472
Commercial Real Estate [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	52,207	90,740
2023/2022	86,332	342,975
2022/2021	384,368	225,106
2021/2020	205,586	124,112
2020/2019	116,840	89,157
Prior	243,887	190,402
Revolving Loans Amortized Cost Basis	30,028	28,773
Revolving Loans Converted to Term	2,187	1,622
Total loans	1,121,435	1,092,887
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Gross charge-offs	0	0
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	52,122	90,068
2023/2022	84,465	333,710
2022/2021	360,989	224,873
2021/2020	200,869	122,560
2020/2019	114,839	81,557
Prior	223,601	180,799
Revolving Loans Amortized Cost Basis	28,178	28,360
Revolving Loans Converted to Term	1,786	1,140
Total loans	1,066,849	1,063,067
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	672
2023/2022	810	7,963
2022/2021	3,495	227
2021/2020	1,874	1,552
2020/2019	1,372	7,442
Prior	8,501	8,159
Revolving Loans Amortized Cost Basis	1,674	96
Revolving Loans Converted to Term	0	60
Total loans	17,726	26,171
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	85	0
2023/2022	1,057	1,302
2022/2021	19,884	6
2021/2020	2,843	0
2020/2019	629	158
Prior	11,785	1,444
Revolving Loans Amortized Cost Basis	176	317
Revolving Loans Converted to Term	401	422
Total loans	36,860	3,649
Commercial Real Estate [Member] | Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	0	0
Agricultural Real Estate [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	35,837	23,206
2023/2022	25,650	56,644
2022/2021	55,932	30,489
2021/2020	27,382	32,058
2020/2019	29,770	26,470
Prior	135,795	131,132
Revolving Loans Amortized Cost Basis	17,128	14,105
Revolving Loans Converted to Term	228	698
Total loans	327,722	314,802
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Gross charge-offs	0	0
Agricultural Real Estate [Member] | Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	32,199	22,632
2023/2022	22,372	47,479
2022/2021	46,644	28,990
2021/2020	26,132	32,058
2020/2019	29,770	25,406
Prior	126,876	118,700
Revolving Loans Amortized Cost Basis	14,351	10,495
Revolving Loans Converted to Term	115	460
Total loans	298,459	286,220
Agricultural Real Estate [Member] | Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	2,930	574
2023/2022	3,138	9,165
2022/2021	7,109	1,499
2021/2020	0	0
2020/2019	0	962
Prior	5,315	7,038
Revolving Loans Amortized Cost Basis	2,248	3,535
Revolving Loans Converted to Term	0	0
Total loans	20,740	22,773
Agricultural Real Estate [Member] | Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	708	0
2023/2022	140	0
2022/2021	2,179	0
2021/2020	1,250	0
2020/2019	0	102
Prior	3,604	5,394
Revolving Loans Amortized Cost Basis	529	75
Revolving Loans Converted to Term	113	238
Total loans	8,523	5,809
Agricultural Real Estate [Member] | Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	0	0
Construction [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	48,026	56,547
2023/2022	56,916	107,994
2022/2021	54,796	29,280
2021/2020	3,233	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	1,355	839
Revolving Loans Converted to Term	0	1,166
Total loans	164,326	195,826
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Gross charge-offs	0	0
Construction [Member] | Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	48,026	54,973
2023/2022	56,916	102,562
2022/2021	34,995	22,508
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	1,355	839
Revolving Loans Converted to Term	0	1,166
Total loans	141,292	182,048
Construction [Member] | Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	1,574
2023/2022	0	5,432
2022/2021	19,391	4,415
2021/2020	2,950	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	22,341	11,421
Construction [Member] | Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	410	2,357
2021/2020	283	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	693	2,357
Construction [Member] | Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	0	0
Other Commercial Loans [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	33,444	31,596
2023/2022	22,808	11,556
2022/2021	8,766	10,526
2021/2020	7,720	4,977
2020/2019	2,446	5,130
Prior	4,161	5,126
Revolving Loans Amortized Cost Basis	50,181	65,439
Revolving Loans Converted to Term	1,784	1,818
Total loans	131,310	136,168
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2024/2023	0	200
2023/2022	0	0
2022/2021	59	0
2021/2020	0	763
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	2,502	0
Revolving Loans Converted to Term	0	0
Gross charge-offs	2,561	963	435
Other Commercial Loans [Member] | Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	33,211	31,493
2023/2022	22,808	11,407
2022/2021	6,773	9,016
2021/2020	7,542	4,793
2020/2019	2,150	4,758
Prior	3,464	3,530
Revolving Loans Amortized Cost Basis	44,871	63,285
Revolving Loans Converted to Term	75	93
Total loans	120,894	128,375
Other Commercial Loans [Member] | Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	20	51
2023/2022	0	52
2022/2021	1,798	1,510
2021/2020	178	184
2020/2019	62	223
Prior	56	629
Revolving Loans Amortized Cost Basis	4,888	1,652
Revolving Loans Converted to Term	32	36
Total loans	7,034	4,337
Other Commercial Loans [Member] | Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	213	52
2023/2022	0	97
2022/2021	195	0
2021/2020	0	0
2020/2019	234	149
Prior	641	967
Revolving Loans Amortized Cost Basis	422	502
Revolving Loans Converted to Term	1,661	1,667
Total loans	3,366	3,434
Other Commercial Loans [Member] | Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	16	22
Total loans	16	22
Other Agricultural Loans [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	5,917	3,902
2023/2022	2,362	1,993
2022/2021	1,343	6,671
2021/2020	3,879	1,088
2020/2019	407	536
Prior	733	560
Revolving Loans Amortized Cost Basis	15,010	15,863
Revolving Loans Converted to Term	11	60
Total loans	29,662	30,673
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Gross charge-offs	0	0	0
Other Agricultural Loans [Member] | Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	4,576	3,902
2023/2022	2,008	1,520
2022/2021	888	6,448
2021/2020	3,870	1,046
2020/2019	407	532
Prior	220	305
Revolving Loans Amortized Cost Basis	14,812	15,331
Revolving Loans Converted to Term	0	0
Total loans	26,781	29,084
Other Agricultural Loans [Member] | Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	1,341	0
2023/2022	0	473
2022/2021	0	16
2021/2020	0	42
2020/2019	0	0
Prior	400	0
Revolving Loans Amortized Cost Basis	67	488
Revolving Loans Converted to Term	0	29
Total loans	1,808	1,048
Other Agricultural Loans [Member] | Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	354	0
2022/2021	455	207
2021/2020	9	0
2020/2019	0	4
Prior	113	255
Revolving Loans Amortized Cost Basis	131	44
Revolving Loans Converted to Term	11	31
Total loans	1,073	541
Other Agricultural Loans [Member] | Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	0	0
State and Political Subdivision Loans [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	1,623
2023/2022	1,442	14,171
2022/2021	13,460	10,841
2021/2020	10,522	5,235
2020/2019	5,319	0
Prior	23,439	25,294
Revolving Loans Amortized Cost Basis	0	10
Revolving Loans Converted to Term	0	0
Total loans	54,182	57,174
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Gross charge-offs	0	0	$ 0
State and Political Subdivision Loans [Member] | Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	1,623
2023/2022	1,442	14,171
2022/2021	13,460	10,841
2021/2020	10,522	5,235
2020/2019	5,319	0
Prior	23,439	25,294
Revolving Loans Amortized Cost Basis	0	10
Revolving Loans Converted to Term	0	0
Total loans	54,182	57,174
State and Political Subdivision Loans [Member] | Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	0	0
State and Political Subdivision Loans [Member] | Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	0	0
State and Political Subdivision Loans [Member] | Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total loans	0	0
Total Loans [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	175,431	207,614
2023/2022	195,510	535,333
2022/2021	518,665	312,913
2021/2020	258,322	167,470
2020/2019	154,782	121,293
Prior	408,015	352,514
Revolving Loans Amortized Cost Basis	113,702	125,029
Revolving Loans Converted to Term	4,210	5,364
Total loans	1,828,637	1,827,530
Total Loans [Member] | Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	170,134	204,691
2023/2022	190,011	510,849
2022/2021	463,749	302,676
2021/2020	248,935	165,692
2020/2019	152,485	112,253
Prior	377,600	328,628
Revolving Loans Amortized Cost Basis	103,567	118,320
Revolving Loans Converted to Term	1,976	2,859
Total loans	1,708,457	1,745,968
Total Loans [Member] | Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	4,291	2,871
2023/2022	3,948	23,085
2022/2021	31,793	7,667
2021/2020	5,002	1,778
2020/2019	1,434	8,627
Prior	14,272	15,826
Revolving Loans Amortized Cost Basis	8,877	5,771
Revolving Loans Converted to Term	32	125
Total loans	69,649	65,750
Total Loans [Member] | Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	1,006	52
2023/2022	1,551	1,399
2022/2021	23,123	2,570
2021/2020	4,385	0
2020/2019	863	413
Prior	16,143	8,060
Revolving Loans Amortized Cost Basis	1,258	938
Revolving Loans Converted to Term	2,186	2,358
Total loans	50,515	15,790
Total Loans [Member] | Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2024/2023	0	0
2023/2022	0	0
2022/2021	0	0
2021/2020	0	0
2020/2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	16	22
Total loans	$ 16	$ 22