LOANS AND ALLOWANCE FOR CREDIT LOSSES (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	$ 922,494,000	$ 871,239,000	$ 922,494,000	$ 871,239,000	$ 911,078,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	150,000		150,000		265,000
2023/2022	187,000		187,000		281,000
2022/2021	235,000		235,000		189,000
2021/2020	161,000		161,000		136,000
2020/2019	121,000		121,000		196,000
Prior	211,000		211,000		7,000
Loans and Leases Receivable, Deferred Income, Total	1,065,000		1,065,000		1,074,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	49,991,000		49,991,000		126,960,000
2023/2022	129,133,000		129,133,000		202,674,000
2022/2021	194,042,000		194,042,000		154,341,000
2021/2020	147,356,000		147,356,000		123,385,000
2020/2019	116,483,000		116,483,000		71,134,000
Prior	285,489,000		285,489,000		232,584,000
Financing Receivable, Total	922,494,000	871,239,000	922,494,000	871,239,000	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			12,000		13,000
2021/2020			5,000		2,000
2020/2019			6,000		4,000
Prior			5,000		13,000
Total Gross Charge Offs	21,000	21,000	33,000	38,000	57,000
GGLs
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	4,380,000		4,380,000		4,470,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	4,380,000		4,380,000		4,470,000
Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	49,841,000		49,841,000		126,637,000
2023/2022	128,946,000		128,946,000		202,307,000
2022/2021	193,726,000		193,726,000		153,565,000
2021/2020	146,970,000		146,970,000		119,588,000
2020/2019	112,753,000		112,753,000		61,486,000
Prior	265,873,000		265,873,000		222,329,000
Financing Receivable, Total	898,109,000		898,109,000		885,912,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	898,109,000		898,109,000		885,912,000
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
Substandard
Financing Receivable, Recorded Investment [Line Items]
2023/2022					86,000
2022/2021	81,000		81,000		587,000
2021/2020	225,000		225,000		3,661,000
2020/2019	3,609,000		3,609,000		9,452,000
Prior	19,405,000		19,405,000		10,248,000
Financing Receivable, Total	23,320,000		23,320,000		24,034,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	23,320,000		23,320,000		24,034,000
Real Estate
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	824,217,000	774,688,000	824,217,000	774,688,000	811,493,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	84,000		84,000		130,000
2023/2022	74,000		74,000		176,000
2022/2021	150,000		150,000		153,000
2021/2020	143,000		143,000		116,000
2020/2019	107,000		107,000		(13,000)
Prior	10,000		10,000		8,000
Loans and Leases Receivable, Deferred Income, Total	568,000		568,000		570,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	43,198,000		43,198,000		110,949,000
2023/2022	113,042,000		113,042,000		186,991,000
2022/2021	179,280,000		179,280,000		133,464,000
2021/2020	127,270,000		127,270,000		113,815,000
2020/2019	110,588,000		110,588,000		63,982,000
Prior	250,839,000		250,839,000		202,292,000
Financing Receivable, Total	824,217,000	774,688,000	824,217,000	774,688,000	811,493,000
Real Estate | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	43,114,000		43,114,000		110,819,000
2023/2022	112,968,000		112,968,000		186,729,000
2022/2021	179,049,000		179,049,000		132,724,000
2021/2020	126,902,000		126,902,000		110,038,000
2020/2019	106,892,000		106,892,000		54,543,000
Prior	232,070,000		232,070,000		192,686,000
Financing Receivable, Total	800,995,000		800,995,000		787,539,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	800,995,000		800,995,000		787,539,000
Real Estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
2023/2022					86,000
2022/2021	81,000		81,000		587,000
2021/2020	225,000		225,000		3,661,000
2020/2019	3,589,000		3,589,000		9,452,000
Prior	18,759,000		18,759,000		9,598,000
Financing Receivable, Total	22,654,000		22,654,000		23,384,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	22,654,000		22,654,000		23,384,000
Agricultural
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	990,000	862,000	990,000	862,000	671,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	1,000		1,000
2023/2022	2,000		2,000		1,000
Loans and Leases Receivable, Deferred Income, Total	3,000		3,000		1,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	36,000		36,000
2023/2022	245,000		245,000		60,000
2022/2021	51,000		51,000
Prior	658,000		658,000		611,000
Financing Receivable, Total	990,000	862,000	990,000	862,000	671,000
Agricultural | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	35,000		35,000
2023/2022	243,000		243,000		59,000
2022/2021	51,000		51,000
Prior	658,000		658,000		611,000
Financing Receivable, Total	987,000		987,000		670,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	987,000		987,000		670,000
Commercial and Industrial
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	64,959,000	61,313,000	64,959,000	61,313,000	66,909,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	43,000		43,000		95,000
2023/2022	82,000		82,000		83,000
2022/2021	70,000		70,000		24,000
2021/2020	9,000		9,000		17,000
2020/2019	12,000		12,000		208,000
Prior	200,000		200,000		(1,000)
Loans and Leases Receivable, Deferred Income, Total	416,000		416,000		426,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	5,053,000		5,053,000		12,767,000
2023/2022	13,097,000		13,097,000		10,269,000
2022/2021	9,635,000		9,635,000		5,800,000
2021/2020	5,211,000		5,211,000		7,456,000
2020/2019	3,911,000		3,911,000		7,041,000
Prior	28,052,000		28,052,000		23,576,000
Financing Receivable, Total	64,959,000	61,313,000	64,959,000	61,313,000	66,909,000
Commercial and Industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	5,010,000		5,010,000		12,672,000
2023/2022	13,015,000		13,015,000		10,186,000
2022/2021	9,565,000		9,565,000		5,776,000
2021/2020	5,202,000		5,202,000		7,439,000
2020/2019	3,879,000		3,879,000		6,833,000
Prior	27,216,000		27,216,000		22,927,000
Financing Receivable, Total	63,887,000		63,887,000		65,833,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	63,887,000		63,887,000		65,833,000
Commercial and Industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
2020/2019	20,000		20,000
Prior	636,000		636,000		650,000
Financing Receivable, Total	656,000		656,000		650,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	656,000		656,000		650,000
Consumer
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Total	6,250,000	6,129,000	6,250,000	6,129,000	5,824,000
Financing Receivable, Deferred Income, by Origination Year [Abstract]
2024/2023	22,000		22,000		38,000
2023/2022	27,000		27,000		20,000
2022/2021	14,000		14,000		8,000
2021/2020	5,000		5,000		2,000
2020/2019	1,000		1,000		1,000
Loans and Leases Receivable, Deferred Income, Total	69,000		69,000		69,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
2024/2023	1,704,000		1,704,000		2,511,000
2023/2022	1,904,000		1,904,000		1,258,000
2022/2021	980,000		980,000		934,000
2021/2020	732,000		732,000		208,000
2020/2019	126,000		126,000		111,000
Prior	804,000		804,000		802,000
Financing Receivable, Total	6,250,000	6,129,000	6,250,000	6,129,000	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			12,000		13,000
2021/2020			5,000		2,000
2020/2019			6,000		4,000
Prior			5,000		13,000
Total Gross Charge Offs	21,000	21,000	33,000	38,000	57,000
Consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023	1,682,000		1,682,000		2,415,000
2023/2022	1,877,000		1,877,000		1,238,000
2022/2021	966,000		966,000		926,000
2021/2020	727,000		727,000		206,000
2020/2019	125,000		125,000		110,000
Prior	794,000		794,000		802,000
Financing Receivable, Total	6,171,000		6,171,000		5,697,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	6,171,000		6,171,000		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	26,078,000	28,247,000	26,078,000	28,247,000	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	845,000		845,000		4,096,000
2022/2021	4,096,000		4,096,000		14,143,000
2021/2020	14,143,000		14,143,000		1,906,000
2020/2019	1,858,000		1,858,000
Prior	5,136,000		5,136,000		5,303,000
Financing Receivable, Total	26,078,000	$ 28,247,000	26,078,000	$ 28,247,000	26,181,000
State and Political Subdivisions | Pass
Financing Receivable, Recorded Investment [Line Items]
2024/2023					731,000
2023/2022	843,000		843,000		4,095,000
2022/2021	4,095,000		4,095,000		14,139,000
2021/2020	14,139,000		14,139,000		1,905,000
2020/2019	1,857,000		1,857,000
Prior	5,135,000		5,135,000		5,303,000
Financing Receivable, Total	26,069,000		26,069,000		26,173,000
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract]
Financing Receivable, Total	$ 26,069,000		$ 26,069,000		$ 26,173,000