LOANS AND ALLOWANCE FOR CREDIT LOSSES (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	$ 934,599,000	$ 881,038,000	$ 934,599,000	$ 881,038,000	$ 911,078,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	163,000		163,000		265,000
2023/2022	118,000		118,000		281,000
2022/2021	215,000		215,000		189,000
2021/2020	148,000		148,000		136,000
2020/2019	112,000		112,000		196,000
Prior	205,000		205,000		7,000
Loans and Leases Receivable, Deferred Income, Total	961,000		961,000		1,074,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	81,687,000		81,687,000		126,960,000
2023/2022	131,117,000		131,117,000		202,674,000
2022/2021	188,574,000		188,574,000		154,341,000
2021/2020	142,881,000		142,881,000		123,385,000
2020/2019	113,752,000		113,752,000		71,134,000
Prior	276,588,000		276,588,000		232,584,000
Financing Receivable, Total	934,599,000	881,038,000	934,599,000	881,038,000	911,078,000
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2024/2023					2,000
2023/2022			5,000		23,000
2022/2021			15,000		13,000
2021/2020			9,000		2,000
2020/2019			7,000		4,000
Prior			747,000		13,000
Total Gross Charge Offs	750,000	5,000	783,000	43,000	57,000
GGLs
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	4,338,000		4,338,000		4,470,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	4,338,000		4,338,000		4,470,000
Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	81,494,000		81,494,000		126,637,000
2023/2022	130,999,000		130,999,000		202,307,000
2022/2021	188,285,000		188,285,000		153,565,000
2021/2020	142,508,000		142,508,000		119,588,000
2020/2019	110,071,000		110,071,000		61,486,000
Prior	258,334,000		258,334,000		222,329,000
Financing Receivable, Total	911,691,000		911,691,000		885,912,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	911,691,000		911,691,000		885,912,000
Special Mention
Financing Receivable, Recorded Investment [Line Items]
2024/2023	30,000		30,000		58,000
2022/2021	74,000		74,000
2021/2020	225,000		225,000
Prior	1,257,000		1,257,000
Financing Receivable, Total	1,586,000		1,586,000		58,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	1,586,000		1,586,000		58,000
Substandard
Financing Receivable, Recorded Investment [Line Items]
2023/2022					86,000
2022/2021					587,000
2021/2020					3,661,000
2020/2019	3,569,000		3,569,000		9,452,000
Prior	16,792,000		16,792,000		10,248,000
Financing Receivable, Total	20,361,000		20,361,000		24,034,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	20,361,000		20,361,000		24,034,000
Real Estate
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	836,213,000	784,126,000	836,213,000	784,126,000	811,493,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	54,000		54,000		130,000
2023/2022	37,000		37,000		176,000
2022/2021	139,000		139,000		153,000
2021/2020	133,000		133,000		116,000
2020/2019	100,000		100,000		(13,000)
Prior	8,000		8,000		8,000
Loans and Leases Receivable, Deferred Income, Total	471,000		471,000		570,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	73,657,000		73,657,000		110,949,000
2023/2022	112,837,000		112,837,000		186,991,000
2022/2021	175,716,000		175,716,000		133,464,000
2021/2020	123,392,000		123,392,000		113,815,000
2020/2019	108,572,000		108,572,000		63,982,000
Prior	242,039,000		242,039,000		202,292,000
Financing Receivable, Total	836,213,000	784,126,000	836,213,000	784,126,000	811,493,000
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Prior			237,000
Total Gross Charge Offs	237,000		237,000
Real Estate | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	73,573,000		73,573,000		110,819,000
2023/2022	112,800,000		112,800,000		186,729,000
2022/2021	175,503,000		175,503,000		132,724,000
2021/2020	123,034,000		123,034,000		110,038,000
2020/2019	104,919,000		104,919,000		54,543,000
Prior	224,123,000		224,123,000		192,686,000
Financing Receivable, Total	813,952,000		813,952,000		787,539,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	813,952,000		813,952,000		787,539,000
Real Estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
2024/2023	30,000		30,000
2022/2021	74,000		74,000
2021/2020	225,000		225,000
Prior	1,257,000		1,257,000
Financing Receivable, Total	1,586,000		1,586,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	1,586,000		1,586,000
Real Estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
2023/2022					86,000
2022/2021					587,000
2021/2020					3,661,000
2020/2019	3,553,000		3,553,000		9,452,000
Prior	16,651,000		16,651,000		9,598,000
Financing Receivable, Total	20,204,000		20,204,000		23,384,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	20,204,000		20,204,000		23,384,000
Agricultural
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	1,008,000	708,000	1,008,000	708,000	671,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	2,000		2,000
2023/2022	2,000		2,000		1,000
Loans and Leases Receivable, Deferred Income, Total	4,000		4,000		1,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	66,000		66,000
2023/2022	234,000		234,000		60,000
2022/2021	47,000		47,000
Prior	661,000		661,000		611,000
Financing Receivable, Total	1,008,000	708,000	1,008,000	708,000	671,000
Agricultural | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	64,000		64,000
2023/2022	232,000		232,000		59,000
2022/2021	47,000		47,000
Prior	661,000		661,000		611,000
Financing Receivable, Total	1,004,000		1,004,000		670,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	1,004,000		1,004,000		670,000
Commercial and Industrial
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	66,804,000	62,866,000	66,804,000	62,866,000	66,909,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	75,000		75,000		95,000
2023/2022	55,000		55,000		83,000
2022/2021	64,000		64,000		24,000
2021/2020	7,000		7,000		17,000
2020/2019	10,000		10,000		208,000
Prior	196,000		196,000		(1,000)
Loans and Leases Receivable, Deferred Income, Total	407,000		407,000		426,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	5,763,000		5,763,000		12,767,000
2023/2022	15,626,000		15,626,000		10,269,000
2022/2021	9,212,000		9,212,000		5,800,000
2021/2020	4,892,000		4,892,000		7,456,000
2020/2019	3,249,000		3,249,000		7,041,000
Prior	28,062,000		28,062,000		23,576,000
Financing Receivable, Total	66,804,000	62,866,000	66,804,000	62,866,000	66,909,000
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Prior			504,000
Total Gross Charge Offs	504,000		504,000
Commercial and Industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	5,688,000		5,688,000		12,672,000
2023/2022	15,571,000		15,571,000		10,186,000
2022/2021	9,148,000		9,148,000		5,776,000
2021/2020	4,885,000		4,885,000		7,439,000
2020/2019	3,223,000		3,223,000		6,833,000
Prior	27,735,000		27,735,000		22,927,000
Financing Receivable, Total	66,250,000		66,250,000		65,833,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	66,250,000		66,250,000		65,833,000
Commercial and Industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
2020/2019	16,000		16,000
Prior	131,000		131,000		650,000
Financing Receivable, Total	147,000		147,000		650,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	147,000		147,000		650,000
Consumer
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	6,166,000	6,218,000	6,166,000	6,218,000	5,824,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	32,000		32,000		38,000
2023/2022	22,000		22,000		20,000
2022/2021	11,000		11,000		8,000
2021/2020	4,000		4,000		2,000
2020/2019	1,000		1,000		1,000
Loans and Leases Receivable, Deferred Income, Total	70,000		70,000		69,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	2,201,000		2,201,000		2,511,000
2023/2022	1,581,000		1,581,000		1,258,000
2022/2021	859,000		859,000		934,000
2021/2020	636,000		636,000		208,000
2020/2019	97,000		97,000		111,000
Prior	792,000		792,000		802,000
Financing Receivable, Total	6,166,000	6,218,000	6,166,000	6,218,000	5,824,000
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2024/2023					2,000
2023/2022			5,000		23,000
2022/2021			15,000		13,000
2021/2020			9,000		2,000
2020/2019			7,000		4,000
Prior			6,000		13,000
Total Gross Charge Offs	9,000	5,000	42,000	43,000	57,000
Consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	2,169,000		2,169,000		2,415,000
2023/2022	1,559,000		1,559,000		1,238,000
2022/2021	848,000		848,000		926,000
2021/2020	632,000		632,000		206,000
2020/2019	96,000		96,000		110,000
Prior	782,000		782,000		802,000
Financing Receivable, Total	6,086,000		6,086,000		5,697,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	6,086,000		6,086,000		5,697,000
Consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
2024/2023					58,000
Financing Receivable, Total					58,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total					58,000
Consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Prior	10,000		10,000
Financing Receivable, Total	10,000		10,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	10,000		10,000
State and Political Subdivisions
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	24,408,000	27,120,000	24,408,000	27,120,000	26,181,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023					2,000
2023/2022	2,000		2,000		1,000
2022/2021	1,000		1,000		4,000
2021/2020	4,000		4,000		1,000
2020/2019	1,000		1,000
Prior	1,000		1,000
Loans and Leases Receivable, Deferred Income, Total	9,000		9,000		8,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023					733,000
2023/2022	839,000		839,000		4,096,000
2022/2021	2,740,000		2,740,000		14,143,000
2021/2020	13,961,000		13,961,000		1,906,000
2020/2019	1,834,000		1,834,000
Prior	5,034,000		5,034,000		5,303,000
Financing Receivable, Total	24,408,000	$ 27,120,000	24,408,000	$ 27,120,000	26,181,000
State and Political Subdivisions | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023					731,000
2023/2022	837,000		837,000		4,095,000
2022/2021	2,739,000		2,739,000		14,139,000
2021/2020	13,957,000		13,957,000		1,905,000
2020/2019	1,833,000		1,833,000
Prior	5,033,000		5,033,000		5,303,000
Financing Receivable, Total	24,399,000		24,399,000		26,173,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	$ 24,399,000		$ 24,399,000		$ 26,173,000