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, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	$ 138,535	$ 919,315
Credit Exposure 2022	869,629	557,540
Credit Exposure 2021	517,555	195,032
Credit Exposure 2020	173,033	128,777
Credit Exposure 2019	114,401	100,422
Credit Exposure Prior	355,714	301,434
Revolving Loans Amortized Cost	165,034	175,656
Total	2,333,901	2,378,176
Credit Exposure 2023.Charge - offs	(141)	(335)
Credit Exposure 2022.Charge - offs	(18)	(26)
Credit Exposure 2021.Charge - offs	(52)	(92)
Credit Exposure 2020.Charge - offs	(8)	(21)
Credit Exposure 2019.Charge - offs	(5)
Credit Exposure Prior.Charge - offs	(94)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs		(375)
Total	(318)	(849)
Credit Exposure 2023, Recoveries	31	83
Credit Exposure 2022, Recoveries		3
Credit Exposure 2021, Recoveries	3	6
Credit Exposure 2020, Recoveries		11
Credit Exposure 2019, Recoveries		2
Credit Exposure Prior, Recoveries	21	95
Credit Exposure Revolving Loans Amortized Cost, Recoveries	48	40
Total	103	240
Credit Exposure 2023,Current period net	(110)	(252)
Credit Exposure 2022,Current period net	(18)	(23)
Credit Exposure 2021,Current period net	(49)	(86)
Credit Exposure 2020,Current period net	(8)	(10)
Credit Exposure 2019,Current period net	(5)	2
Credit Exposure Prior,Current period net	(73)	95
Credit Exposure Revolving Loans Amortized Cost,Current period net	48	(335)
Total	(215)	(609)
Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	138,527	916,957
Credit Exposure 2022	867,633	557,131
Credit Exposure 2021	517,215	193,161
Credit Exposure 2020	170,662	127,738
Credit Exposure 2019	113,447	96,026
Credit Exposure Prior	347,953	285,125
Revolving Loans Amortized Cost	163,935	174,751
Total	2,319,372	2,350,889
Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	8	919
Credit Exposure 2022	34	135
Credit Exposure 2021		1,343
Credit Exposure 2020	1,370	361
Credit Exposure 2019	250	2,598
Credit Exposure Prior	1,354	3,586
Revolving Loans Amortized Cost	1,099	905
Total	4,115	9,847
Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023		1,350
Credit Exposure 2022	1,814	0
Credit Exposure 2021		246
Credit Exposure 2020	234	454
Credit Exposure 2019	425	218
Credit Exposure Prior	4,391	4,324
Total	6,864	6,592
Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023		89
Credit Exposure 2022	148	274
Credit Exposure 2021	340	282
Credit Exposure 2020	767	224
Credit Exposure 2019	279	1,580
Credit Exposure Prior	2,016	8,399
Total	3,550	10,848
Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	22,316	99,836
Credit Exposure 2022	82,500	58,018
Credit Exposure 2021	50,673	19,833
Credit Exposure 2020	15,932	12,553
Credit Exposure 2019	10,255	4,364
Credit Exposure Prior	15,694	12,930
Revolving Loans Amortized Cost	98,494	106,533
Total	295,864	314,067
Credit Exposure 2021.Charge - offs	(16)	(67)
Credit Exposure Prior.Charge - offs	(4)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs		(125)
Total	(20)	(192)
Credit Exposure Prior, Recoveries	4	32
Credit Exposure Revolving Loans Amortized Cost, Recoveries	8	40
Total	12	72
Credit Exposure 2021,Current period net	(16)	(67)
Credit Exposure Prior,Current period net		32
Credit Exposure Revolving Loans Amortized Cost,Current period net	8	(85)
Total	(8)	(120)
Commercial and industrial | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	22,316	99,750
Credit Exposure 2022	82,430	57,854
Credit Exposure 2021	50,556	19,577
Credit Exposure 2020	15,647	11,797
Credit Exposure 2019	9,617	4,172
Credit Exposure Prior	15,421	12,907
Revolving Loans Amortized Cost	97,494	105,628
Total	293,481	311,685
Commercial and industrial | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022		131
Credit Exposure 2020		333
Credit Exposure 2019	242
Revolving Loans Amortized Cost	1,000	905
Total	1,242	1,369
Commercial and industrial | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023		14
Credit Exposure 2022	12
Credit Exposure 2021		246
Credit Exposure 2020	234	423
Credit Exposure 2019	396	192
Credit Exposure Prior	173	23
Total	815	898
Commercial and industrial | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023		72
Credit Exposure 2022	58	33
Credit Exposure 2021	117	10
Credit Exposure 2020	51
Credit Exposure Prior	100
Total	326	115
Construction and development
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	34,521	180,406
Credit Exposure 2022	166,084	138,388
Credit Exposure 2021	102,018	17,361
Credit Exposure 2020	9,817	8,697
Credit Exposure 2019	6,943	4,878
Credit Exposure Prior	13,271	10,535
Revolving Loans Amortized Cost	12,473	16,870
Total	345,127	377,135
Construction and development | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	34,521	179,501
Credit Exposure 2022	165,818	138,388
Credit Exposure 2021	102,018	17,361
Credit Exposure 2020	9,817	8,697
Credit Exposure 2019	6,943	3,443
Credit Exposure Prior	13,271	10,535
Revolving Loans Amortized Cost	12,473	16,870
Total	344,861	374,795
Construction and development | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023		905
Total		905
Construction and development | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	193
Total	193
Construction and development | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	73
Credit Exposure 2019		1,435
Total	73	1,435
Commercial real estate
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	26,620	348,498
Credit Exposure 2022	347,806	147,986
Credit Exposure 2021	160,027	88,448
Credit Exposure 2020	85,192	64,084
Credit Exposure 2019	56,864	53,622
Credit Exposure Prior	197,891	172,942
Revolving Loans Amortized Cost	17,483	12,007
Total	891,883	887,587
Credit Exposure Prior.Charge - offs	(87)
Total	(87)
Credit Exposure 2019, Recoveries		1
Total		1
Credit Exposure 2019,Current period net		1
Credit Exposure Prior,Current period net	(87)
Total	(87)	1
Commercial real estate | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	26,620	347,162
Credit Exposure 2022	346,197	147,986
Credit Exposure 2021	160,027	86,897
Credit Exposure 2020	83,822	63,988
Credit Exposure 2019	56,784	51,002
Credit Exposure Prior	192,256	158,384
Revolving Loans Amortized Cost	17,483	12,007
Total	883,189	867,426
Commercial real estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021		1,300
Credit Exposure 2020	1,370
Credit Exposure 2019		2,594
Credit Exposure Prior	1,308	3,427
Total	2,678	7,321
Commercial real estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023		1,336
Credit Exposure 2022	1,609
Credit Exposure 2019		26
Credit Exposure Prior	4,135	4,207
Total	5,744	5,569
Commercial real estate | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021		251
Credit Exposure 2020		96
Credit Exposure 2019	80
Credit Exposure Prior	192	6,924
Total	272	7,271
Farmland
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	13,333	93,128
Credit Exposure 2022	85,291	51,912
Credit Exposure 2021	50,428	10,284
Credit Exposure 2020	9,181	6,677
Credit Exposure 2019	6,327	5,956
Credit Exposure Prior	16,925	11,912
Revolving Loans Amortized Cost	5,620	5,948
Total	187,105	185,817
Farmland | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	13,333	93,128
Credit Exposure 2022	85,291	51,912
Credit Exposure 2021	50,428	10,284
Credit Exposure 2020	9,181	6,646
Credit Exposure 2019	6,298	5,956
Credit Exposure Prior	16,692	11,741
Revolving Loans Amortized Cost	5,521	5,948
Total	186,744	185,615
Farmland | Special Mention
Financing Receivable Recorded Investment [Line Items]
Revolving Loans Amortized Cost	99
Total	99
Farmland | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2020		31
Credit Exposure 2019	29
Credit Exposure Prior	58	62
Total	87	93
Farmland | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure Prior	175	109
Total	175	109
1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	25,834	143,268
Credit Exposure 2022	144,395	129,105
Credit Exposure 2021	126,641	50,183
Credit Exposure 2020	45,984	30,184
Credit Exposure 2019	28,674	27,222
Credit Exposure Prior	106,722	91,143
Revolving Loans Amortized Cost	18,090	21,956
Total	496,340	493,061
Credit Exposure Prior, Recoveries		30
Total		30
Credit Exposure Prior,Current period net		30
Total		30
1-4 family residential | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	25,834	143,268
Credit Exposure 2022	144,395	128,957
Credit Exposure 2021	126,461	50,140
Credit Exposure 2020	45,281	30,068
Credit Exposure 2019	28,519	27,104
Credit Exposure Prior	105,173	89,678
Revolving Loans Amortized Cost	18,090	21,956
Total	493,753	491,171
1-4 family residential | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021		43
Credit Exposure Prior	46	156
Total	46	199
1-4 family residential | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022		148
Credit Exposure 2021	180
Credit Exposure 2020	703	116
Credit Exposure 2019	155	118
Credit Exposure Prior	1,503	1,309
Total	2,541	1,691
Multi-family residential
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	195	18,183
Credit Exposure 2022	18,111	18,331
Credit Exposure 2021	18,118	2,463
Credit Exposure 2020	2,414	4,216
Credit Exposure 2019	3,933	878
Credit Exposure Prior	1,614	985
Revolving Loans Amortized Cost		91
Total	44,385	45,147
Multi-family residential | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	195	18,183
Credit Exposure 2022	18,111	18,331
Credit Exposure 2021	18,118	2,463
Credit Exposure 2020	2,414	4,216
Credit Exposure 2019	3,933	878
Credit Exposure Prior	1,614	985
Revolving Loans Amortized Cost		91
Total	44,385	45,147
Consumer and Overdrafts
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	14,659	32,848
Credit Exposure 2022	23,178	11,886
Credit Exposure 2021	8,292	5,476
Credit Exposure 2020	3,661	1,875
Credit Exposure 2019	1,027	3,106
Credit Exposure Prior	2,879	477
Revolving Loans Amortized Cost	6,054	6,008
Total	59,750	61,676
Credit Exposure 2023.Charge - offs	(141)	(335)
Credit Exposure 2022.Charge - offs	(18)	(26)
Credit Exposure 2021.Charge - offs	(36)	(25)
Credit Exposure 2020.Charge - offs	(8)	(21)
Credit Exposure 2019.Charge - offs	(5)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs		(250)
Total	(208)	(657)
Credit Exposure 2023, Recoveries	31	83
Credit Exposure 2022, Recoveries		3
Credit Exposure 2021, Recoveries	3	6
Credit Exposure 2020, Recoveries		11
Credit Exposure 2019, Recoveries		1
Credit Exposure Prior, Recoveries	15	33
Credit Exposure Revolving Loans Amortized Cost, Recoveries	40
Total	89	137
Credit Exposure 2023,Current period net	(110)	(252)
Credit Exposure 2022,Current period net	(18)	(23)
Credit Exposure 2021,Current period net	(33)	(19)
Credit Exposure 2020,Current period net	(8)	(10)
Credit Exposure 2019,Current period net	(5)	1
Credit Exposure Prior,Current period net	15	33
Credit Exposure Revolving Loans Amortized Cost,Current period net	40	(250)
Total	(119)	(520)
Consumer and Overdrafts | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	14,651	32,817
Credit Exposure 2022	23,127	11,789
Credit Exposure 2021	8,249	5,455
Credit Exposure 2020	3,648	1,835
Credit Exposure 2019	975	3,079
Credit Exposure Prior	2,864	473
Revolving Loans Amortized Cost	6,054	6,008
Total	59,568	61,456
Consumer and Overdrafts | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	8	14
Credit Exposure 2022	34	4
Credit Exposure 2020		28
Credit Exposure 2019	8	4
Total	50	50
Consumer and Overdrafts | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023		17
Credit Exposure 2022	17	93
Credit Exposure 2021	43	21
Credit Exposure 2020	13	12
Credit Exposure 2019	44	23
Credit Exposure Prior	15	4
Total	132	170
Agricultural
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	1,057	3,148
Credit Exposure 2022	2,264	1,914
Credit Exposure 2021	1,358	984
Credit Exposure 2020	852	491
Credit Exposure 2019	378	396
Credit Exposure Prior	718	510
Revolving Loans Amortized Cost	6,820	6,243
Total	13,447	13,686
Credit Exposure Prior.Charge - offs	(3)
Total	(3)
Credit Exposure Prior, Recoveries	2
Total	2
Credit Exposure Prior,Current period net	(1)
Total	(1)
Agricultural | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2023	1,057	3,148
Credit Exposure 2022	2,264	1,914
Credit Exposure 2021	1,358	984
Credit Exposure 2020	852	491
Credit Exposure 2019	378	392
Credit Exposure Prior	662	422
Revolving Loans Amortized Cost	6,820	6,243
Total	13,391	13,594
Agricultural | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure Prior		3
Total		3
Agricultural | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure Prior	25	32
Total	25	32
Agricultural | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2019		4
Credit Exposure Prior	31	53
Total	$ 31	$ 57