LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Credit Exposure in Company Loan Portfolio (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	$ 124,588		$ 288,326
Credit Exposure 2023	250,404		833,709
Credit Exposure 2022	752,050		451,802
Credit Exposure 2021	405,697		159,704
Credit Exposure 2020	150,264		108,230
Credit Exposure Prior	392,326		320,588
Revolving Loans Amortized Cost	139,668		160,217
Total	2,214,997		2,322,576
Credit Exposure 2024.Charge - offs	(110)		(615)
Credit Exposure 2023.Charge - offs	(45)		(38)
Credit Exposure 2022.Charge - offs	(45)		(76)
Credit Exposure 2021.Charge - offs			(52)
Credit Exposure 2020.Charge - offs	(216)		(36)
Credit Exposure Prior.Charge - offs	(9)		(94)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs			(293)
Total	(425)	$ (318)	(1,204)
Credit Exposure 2024, Recoveries	33		61
Credit Exposure 2022, Recoveries			4
Credit Exposure 2021, Recoveries	14		1
Credit Exposure 2020, Recoveries	3
Credit Exposure Prior, Recoveries	187		29
Credit Exposure Revolving Loans Amortized Cost, Recoveries			55
Total	237	103	150
Credit Exposure 2024,Current period net	(77)		(554)
Credit Exposure 2023,Current period net	(45)		(38)
Credit Exposure 2022,Current period net	(45)		(72)
Credit Exposure 2021,Current period net	14		(51)
Credit Exposure 2020,Current period net	(213)		(36)
Credit Exposure Prior,Current period net	178		(65)
Credit Exposure Revolving Loans Amortized Cost,Current period net			(238)
Total	(188)		(1,054)
Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	124,472		288,301
Credit Exposure 2023	247,893		810,203
Credit Exposure 2022	716,956		441,607
Credit Exposure 2021	395,475		158,291
Credit Exposure 2020	149,272		107,314
Credit Exposure Prior	383,144		316,988
Revolving Loans Amortized Cost	138,477		159,933
Total	2,155,689		2,282,637
Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	5		6
Credit Exposure 2023	1,701		7,042
Credit Exposure 2022	24,428		137
Credit Exposure 2021	2,618		958
Credit Exposure 2020			147
Credit Exposure Prior	4,634		1,196
Revolving Loans Amortized Cost	1,018		250
Total	34,404		9,736
Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	38
Credit Exposure 2023	365		16,210
Credit Exposure 2022	9,835		6,950
Credit Exposure 2021	7,087		370
Credit Exposure 2020	612		446
Credit Exposure Prior	732		635
Revolving Loans Amortized Cost	10
Total	18,679		24,611
Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	73		19
Credit Exposure 2023	445		254
Credit Exposure 2022	831		3,108
Credit Exposure 2021	517		85
Credit Exposure 2020	380		323
Credit Exposure Prior	3,816		1,769
Revolving Loans Amortized Cost	163		34
Total	6,225		5,592
Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	15,380		42,646
Credit Exposure 2023	36,188		72,711
Credit Exposure 2022	61,542		39,988
Credit Exposure 2021	34,504		14,199
Credit Exposure 2020	12,028		8,766
Credit Exposure Prior	19,488		12,756
Revolving Loans Amortized Cost	84,928		96,499
Total	264,058		287,565
Credit Exposure 2024.Charge - offs			(79)
Credit Exposure 2023.Charge - offs	(7)
Credit Exposure 2022.Charge - offs	(7)		(25)
Credit Exposure 2021.Charge - offs			(41)
Credit Exposure 2020.Charge - offs	(216)		(31)
Credit Exposure Prior.Charge - offs			(4)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs			(293)
Total	(230)	(20)	(473)
Credit Exposure Prior, Recoveries	174		4
Credit Exposure Revolving Loans Amortized Cost, Recoveries			15
Total	174	12	19
Credit Exposure 2024,Current period net			(79)
Credit Exposure 2023,Current period net	(7)
Credit Exposure 2022,Current period net	(7)		(25)
Credit Exposure 2021,Current period net			(41)
Credit Exposure 2020,Current period net	(216)		(31)
Credit Exposure Prior,Current period net	174
Credit Exposure Revolving Loans Amortized Cost,Current period net			(278)
Total	(56)		(454)
Commercial and industrial | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	15,342		42,646
Credit Exposure 2023	35,793		72,376
Credit Exposure 2022	61,181		38,328
Credit Exposure 2021	34,395		12,864
Credit Exposure 2020	11,410		8,249
Credit Exposure Prior	18,853		12,524
Revolving Loans Amortized Cost	84,918		96,215
Total	261,892		283,202
Commercial and industrial | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023			16
Credit Exposure 2022			132
Credit Exposure 2021	79		958
Credit Exposure 2020			147
Revolving Loans Amortized Cost			250
Total	79		1,503
Commercial and industrial | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	38
Credit Exposure 2023	365		190
Credit Exposure 2022	180
Credit Exposure 2021	30		370
Credit Exposure 2020	612		370
Credit Exposure Prior	544		153
Revolving Loans Amortized Cost	10
Total	1,779		1,083
Commercial and industrial | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	30		129
Credit Exposure 2022	181		1,528
Credit Exposure 2021			7
Credit Exposure 2020	6
Credit Exposure Prior	91		79
Revolving Loans Amortized Cost			34
Total	308		1,777
Construction and development
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	31,518		86,641
Credit Exposure 2023	63,291		112,609
Credit Exposure 2022	65,971		62,548
Credit Exposure 2021	42,803		7,074
Credit Exposure 2020	6,769		5,915
Credit Exposure Prior	17,821		12,615
Revolving Loans Amortized Cost	2,880		9,237
Total	231,053		296,639
Total		0	0
Total	0	0	0
Construction and development | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	31,445		86,641
Credit Exposure 2023	63,291		112,347
Credit Exposure 2022	62,209		62,548
Credit Exposure 2021	42,803		7,074
Credit Exposure 2020	6,769		5,915
Credit Exposure Prior	17,754		12,504
Revolving Loans Amortized Cost	2,880		9,237
Total	227,151		296,266
Construction and development | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023			189
Credit Exposure 2022	3,762
Credit Exposure Prior	67		67
Total	3,829		256
Construction and development | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	73
Credit Exposure 2023			73
Credit Exposure Prior			44
Total	73		117
Commercial real estate
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	20,168		46,655
Credit Exposure 2023	47,136		391,764
Credit Exposure 2022	374,693		156,486
Credit Exposure 2021	150,337		81,765
Credit Exposure 2020	79,022		54,181
Credit Exposure Prior	212,831		177,279
Revolving Loans Amortized Cost	14,933		15,065
Total	899,120		923,195
Credit Exposure 2024.Charge - offs			(190)
Credit Exposure Prior.Charge - offs			(87)
Total	0	(87)	(277)
Total	0	0	0
Credit Exposure 2024,Current period net			(190)
Credit Exposure Prior,Current period net			(87)
Total			(277)
Commercial real estate | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	20,168		46,655
Credit Exposure 2023	47,136		368,933
Credit Exposure 2022	345,141		149,536
Credit Exposure 2021	140,798		81,765
Credit Exposure 2020	79,022		54,100
Credit Exposure Prior	208,168		176,509
Revolving Loans Amortized Cost	14,933		15,065
Total	855,366		892,563
Commercial real estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023			7,000
Credit Exposure 2022	23,260
Credit Exposure 2021	2,528
Credit Exposure Prior	4,467		333
Total	30,255		7,333
Commercial real estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023			15,831
Credit Exposure 2022	5,893		6,950
Credit Exposure 2021	7,011
Credit Exposure 2020			49
Credit Exposure Prior	29		337
Total	12,933		23,167
Commercial real estate | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	399
Credit Exposure 2020			32
Credit Exposure Prior	167		100
Total	566		132
Farmland
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	8,727		25,009
Credit Exposure 2023	22,560		77,371
Credit Exposure 2022	71,441		46,817
Credit Exposure 2021	44,855		8,556
Credit Exposure 2020	7,883		5,626
Credit Exposure Prior	18,409		16,067
Revolving Loans Amortized Cost	6,251		6,849
Total	180,126		186,295
Total		0	0
Farmland | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	8,727		25,009
Credit Exposure 2023	20,874		77,371
Credit Exposure 2022	71,441		46,817
Credit Exposure 2021	44,503		8,556
Credit Exposure 2020	7,786		5,599
Credit Exposure Prior	17,756		15,850
Revolving Loans Amortized Cost	6,251		6,849
Total	177,338		186,051
Farmland | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	1,686
Credit Exposure Prior	141
Total	1,827
Farmland | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021	46
Credit Exposure 2020			27
Credit Exposure Prior	73		53
Total	119		80
Farmland | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021	306
Credit Exposure 2020	97
Credit Exposure Prior	439		164
Total	842		164
1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	32,609		57,348
Credit Exposure 2023	60,000		143,992
Credit Exposure 2022	141,027		122,213
Credit Exposure 2021	113,194		42,588
Credit Exposure 2020	40,970		28,939
Credit Exposure Prior	117,595		97,377
Revolving Loans Amortized Cost	21,255		22,146
Total	526,650		514,603
Total		0	0
Total	0	0	0
1-4 family residential | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	32,609		57,348
Credit Exposure 2023	59,658		143,992
Credit Exposure 2022	139,748		120,964
Credit Exposure 2021	113,008		42,535
Credit Exposure 2020	40,714		28,764
Credit Exposure Prior	114,663		95,198
Revolving Loans Amortized Cost	20,074		22,146
Total	520,474		510,947
1-4 family residential | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	1,136
Credit Exposure Prior	21		863
Revolving Loans Amortized Cost	1,018
Total	2,175		863
1-4 family residential | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	342
Credit Exposure 2022	143		1,249
Credit Exposure 2021	186		53
Credit Exposure 2020	256		175
Credit Exposure Prior	2,911		1,316
Revolving Loans Amortized Cost	163
Total	4,001		2,793
Multi-family residential
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	760		1,984
Credit Exposure 2023	1,959		18,041
Credit Exposure 2022	25,644		16,496
Credit Exposure 2021	14,938		2,363
Credit Exposure 2020	1,356		3,862
Credit Exposure Prior	2,813		1,492
Revolving Loans Amortized Cost	37		54
Total	47,507		44,292
Total		0	0
Multi-family residential | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	760		1,984
Credit Exposure 2023	1,959		18,041
Credit Exposure 2022	25,644		16,496
Credit Exposure 2021	14,938		2,363
Credit Exposure 2020	1,356		3,862
Credit Exposure Prior	2,813		1,492
Revolving Loans Amortized Cost	37		54
Total	47,507		44,292
Consumer and Overdrafts
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	13,875		26,186
Credit Exposure 2023	17,982		15,259
Credit Exposure 2022	10,145		5,920
Credit Exposure 2021	4,252		2,474
Credit Exposure 2020	1,694		631
Credit Exposure Prior	2,443		2,344
Revolving Loans Amortized Cost	3,586		4,488
Total	53,977		57,302
Credit Exposure 2024.Charge - offs	(110)		(346)
Credit Exposure 2023.Charge - offs	(38)		(38)
Credit Exposure 2022.Charge - offs	(38)		(51)
Credit Exposure 2021.Charge - offs			(11)
Credit Exposure 2020.Charge - offs			(5)
Credit Exposure Prior.Charge - offs	(9)
Total	(195)		(451)
Credit Exposure 2024, Recoveries	33		61
Credit Exposure 2022, Recoveries			4
Credit Exposure 2021, Recoveries	14		1
Credit Exposure 2020, Recoveries	3
Credit Exposure Prior, Recoveries	11		23
Credit Exposure Revolving Loans Amortized Cost, Recoveries			40
Total	61		129
Credit Exposure 2024,Current period net	(77)		(285)
Credit Exposure 2023,Current period net	(38)		(38)
Credit Exposure 2022,Current period net	(38)		(47)
Credit Exposure 2021,Current period net	14		(10)
Credit Exposure 2020,Current period net	3		(5)
Credit Exposure Prior,Current period net	2		23
Credit Exposure Revolving Loans Amortized Cost,Current period net			40
Total		(134)	(322)
Consumer and Overdrafts | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	13,870		26,161
Credit Exposure 2023	17,894		15,181
Credit Exposure 2022	10,056		5,840
Credit Exposure 2021	4,216		2,449
Credit Exposure 2020	1,673		589
Credit Exposure Prior	2,401		2,307
Revolving Loans Amortized Cost	3,586		4,488
Total	53,696		57,015
Consumer and Overdrafts | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	5		6
Credit Exposure 2023	15		26
Credit Exposure 2022	10		5
Credit Exposure 2021	11
Credit Exposure Prior	5
Total	46		37
Consumer and Overdrafts | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024			19
Credit Exposure 2023	73		52
Credit Exposure 2022	79		75
Credit Exposure 2021	25		25
Credit Exposure 2020	21		42
Credit Exposure Prior	37		37
Total	235		250
Agricultural
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	1,551		1,857
Credit Exposure 2023	1,288		1,962
Credit Exposure 2022	1,587		1,334
Credit Exposure 2021	814		685
Credit Exposure 2020	542		310
Credit Exposure Prior	926		658
Revolving Loans Amortized Cost	5,798		5,879
Total	12,506		12,685
Credit Exposure Prior.Charge - offs			(3)
Total	0	(3)	(3)
Credit Exposure Prior, Recoveries	2		2
Total	2	$ 2	2
Credit Exposure Prior,Current period net	2		(1)
Total	2		(1)
Agricultural | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2024	1,551		1,857
Credit Exposure 2023	1,288		1,962
Credit Exposure 2022	1,536		1,078
Credit Exposure 2021	814		685
Credit Exposure 2020	542		236
Credit Exposure Prior	736		604
Revolving Loans Amortized Cost	5,798		5,879
Total	12,265		12,301
Agricultural | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	22
Total	22
Agricultural | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure Prior	19		25
Total	19		25
Agricultural | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	29		256
Credit Exposure 2020			74
Credit Exposure Prior	171		29
Total	$ 200		$ 359