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, 2022	Dec. 31, 2021
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	$ 513,302	$ 763,835
Credit Exposure 2021	625,468	296,556
Credit Exposure 2020	242,283	181,846
Credit Exposure 2019	152,282	133,356
Credit Exposure 2018	112,580	107,292
Credit Exposure Prior	341,831	294,966
Revolving Loans Amortized Cost	150,630	130,189
Total	2,138,376	1,908,040
Credit Exposure 2022.Charge - offs	(138)	(285)
Credit Exposure 2021.Charge - offs	(14)	(36)
Credit Exposure 2020.Charge - offs	(52)	(242)
Credit Exposure 2019.Charge - offs		(155)
Credit Exposure 2018.Charge - offs		(589)
Credit Exposure Prior.Charge - offs		(273)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs	(124)	(61)
Total	(328)	(1,641)
Credit Exposure 2022, Recoveries	43	61
Credit Exposure 2021, Recoveries	1	3
Credit Exposure 2020, Recoveries		19
Credit Exposure 2019, Recoveries	11	8
Credit Exposure 2018, Recoveries	1	13
Credit Exposure Prior, Recoveries	74	30
Credit Exposure Revolving Loans Amortized Cost, Recoveries	12	21
Total	142	155
Credit Exposure 2022,Current period net	(95)	(224)
Credit Exposure 2021,Current period net	(13)	(33)
Credit Exposure 2020,Current period net	(52)	(223)
Credit Exposure 2019,Current period net	11	(147)
Credit Exposure 2018,Current period net	1	(576)
Credit Exposure Prior,Current period net	74	(243)
Credit Exposure Revolving Loans Amortized Cost,Current period net	(112)	(40)
Total	(186)	(1,486)
Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	513,294	763,519
Credit Exposure 2021	625,029	288,107
Credit Exposure 2020	240,737	181,039
Credit Exposure 2019	151,409	122,765
Credit Exposure 2018	102,264	88,616
Credit Exposure Prior	311,644	279,890
Revolving Loans Amortized Cost	150,206	130,109
Total	2,094,583	1,854,045
Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	8	76
Credit Exposure 2021	180	853
Credit Exposure 2020	952	5
Credit Exposure 2019	0
Credit Exposure 2018	8,863	5,521
Credit Exposure Prior	18,571	832
Revolving Loans Amortized Cost	0
Total	28,574	7,287
Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021		7,273
Credit Exposure 2020	272	668
Credit Exposure 2019	688	10,250
Credit Exposure 2018	1,235	13,060
Credit Exposure Prior	3,176	12,626
Revolving Loans Amortized Cost
Total	5,371	43,877
Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022		240
Credit Exposure 2021	259	323
Credit Exposure 2020	322	134
Credit Exposure 2019	185	341
Credit Exposure 2018	218	95
Credit Exposure Prior	8,440	1,618
Revolving Loans Amortized Cost	424	80
Total	9,848	2,831
Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	72,035	176,986
Credit Exposure 2021	74,745	31,798
Credit Exposure 2020	23,070	16,262
Credit Exposure 2019	14,328	6,663
Credit Exposure 2018	5,214	3,547
Credit Exposure Prior	15,568	14,669
Revolving Loans Amortized Cost	89,196	74,364
Total	294,156	324,289
Credit Exposure 2020.Charge - offs	(30)	(168)
Credit Exposure 2019.Charge - offs		(67)
Credit Exposure 2018.Charge - offs		(115)
Credit Exposure Revolving Loans Amortized Cost.Charge - offs	(124)	(61)
Total	(154)	(411)
Credit Exposure Prior, Recoveries	33
Credit Exposure Revolving Loans Amortized Cost, Recoveries	12	21
Total	45	21
Credit Exposure 2020,Current period net	(30)	(168)
Credit Exposure 2019,Current period net		(67)
Credit Exposure 2018,Current period net		(115)
Credit Exposure Prior,Current period net	33
Credit Exposure Revolving Loans Amortized Cost,Current period net	(112)	(40)
Total	(109)	(390)
Commercial and industrial | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	72,035	176,972
Credit Exposure 2021	74,565	31,337
Credit Exposure 2020	22,755	16,207
Credit Exposure 2019	13,675	6,449
Credit Exposure 2018	5,010	3,493
Credit Exposure Prior	15,538	14,657
Revolving Loans Amortized Cost	89,101	74,364
Total	292,679	323,479
Commercial and industrial | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021	148	88
Credit Exposure 2018		14
Total	148	102
Commercial and industrial | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021		272
Credit Exposure 2020	258	55
Credit Exposure 2019	653	192
Credit Exposure 2018	204	40
Credit Exposure Prior	30	1
Total	1,145	560
Commercial and industrial | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022		14
Credit Exposure 2021	32	101
Credit Exposure 2020	57
Credit Exposure 2019		22
Credit Exposure Prior		11
Revolving Loans Amortized Cost	95
Total	184	148
Construction and development
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	90,460	180,056
Credit Exposure 2021	178,336	68,765
Credit Exposure 2020	30,558	21,108
Credit Exposure 2019	17,497	6,509
Credit Exposure 2018	5,772	9,179
Credit Exposure Prior	17,927	13,565
Revolving Loans Amortized Cost	9,474	8,615
Total	350,024	307,797
Credit Exposure Prior, Recoveries		1
Total		1
Credit Exposure Prior,Current period net		1
Total		1
Construction and development | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	90,460	180,056
Credit Exposure 2021	178,336	68,765
Credit Exposure 2020	30,558	20,499
Credit Exposure 2019	17,497	6,507
Credit Exposure 2018	5,771	8,235
Credit Exposure Prior	17,007	13,565
Revolving Loans Amortized Cost	9,474	8,615
Total	349,103	306,242
Construction and development | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021	0
Credit Exposure 2020	0
Credit Exposure 2018	0	944
Credit Exposure Prior	920
Total	920	944
Construction and development | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2020	0	609
Credit Exposure 2019	0	2
Credit Exposure 2018	1
Total	1	611
Commercial real estate
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	160,736	134,617
Credit Exposure 2021	144,217	101,558
Credit Exposure 2020	109,720	80,857
Credit Exposure 2019	68,417	69,490
Credit Exposure 2018	60,215	61,020
Credit Exposure Prior	189,853	159,155
Revolving Loans Amortized Cost	16,445	16,145
Total	749,603	622,842
Credit Exposure 2020.Charge - offs		(17)
Credit Exposure 2019.Charge - offs		(56)
Credit Exposure 2018.Charge - offs		(472)
Credit Exposure Prior.Charge - offs		(271)
Total		(816)
Credit Exposure 2020, Recoveries		19
Credit Exposure 2018, Recoveries	1	11
Total	1	30
Credit Exposure 2020,Current period net		2
Credit Exposure 2019,Current period net		(56)
Credit Exposure 2018,Current period net	1	(461)
Credit Exposure Prior,Current period net		(271)
Total	1	(786)
Commercial real estate | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	160,736	134,617
Credit Exposure 2021	144,217	93,806
Credit Exposure 2020	108,522	80,733
Credit Exposure 2019	68,311	59,380
Credit Exposure 2018	50,281	43,457
Credit Exposure Prior	162,261	145,477
Revolving Loans Amortized Cost	16,445	16,065
Total	710,773	573,535
Commercial real estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	0
Credit Exposure 2021		765
Credit Exposure 2020	950
Credit Exposure 2019	0
Credit Exposure 2018	8,841	4,550
Credit Exposure Prior	17,536	788
Total	27,327	6,103
Commercial real estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021	0	6,987
Credit Exposure 2020	0	0
Credit Exposure 2019	0	10,041
Credit Exposure 2018	1,030	12,981
Credit Exposure Prior	3,047	12,553
Total	4,077	42,562
Commercial real estate | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021	0	0
Credit Exposure 2020	248	124
Credit Exposure 2019	106	69
Credit Exposure 2018	63	32
Credit Exposure Prior	7,009	337
Revolving Loans Amortized Cost		80
Total	7,426	642
Farmland
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	65,506	94,491
Credit Exposure 2021	57,309	12,063
Credit Exposure 2020	11,768	8,664
Credit Exposure 2019	7,196	7,456
Credit Exposure 2018	6,828	5,191
Credit Exposure Prior		11,346
Revolving Loans Amortized Cost	4,630	6,290
Total	166,309	145,501
Credit Exposure Prior,Current period net	13,072
Farmland | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	65,506	94,491
Credit Exposure 2021	57,309	11,868
Credit Exposure 2020	11,768	8,664
Credit Exposure 2019	7,164	7,456
Credit Exposure 2018	6,828	5,191
Credit Exposure Prior	12,908	11,145
Revolving Loans Amortized Cost	4,630	6,290
Total	166,113	145,105
Farmland | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure Prior		26
Total		26
Farmland | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2019	32
Credit Exposure Prior	67	72
Total	99	72
Farmland | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021		195
Credit Exposure Prior	97	103
Total	97	298
1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	79,199	132,618
Credit Exposure 2021	132,667	64,590
Credit Exposure 2020	55,175	43,016
Credit Exposure 2019	34,883	36,681
Credit Exposure 2018	29,282	27,045
Credit Exposure Prior	102,151	93,009
Revolving Loans Amortized Cost	17,572	13,714
Total	450,929	410,673
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 2022	79,199	132,448
Credit Exposure 2021	132,508	64,590
Credit Exposure 2020	55,175	43,016
Credit Exposure 2019	34,883	36,501
Credit Exposure 2018	29,142	26,987
Credit Exposure Prior	100,769	91,864
Revolving Loans Amortized Cost	17,572	13,714
Total	449,248	409,120
1-4 family residential | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2019	0
Credit Exposure 2018	22
Credit Exposure Prior	109	18
Total	131	18
1-4 family residential | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022		170
Credit Exposure 2021	159
Credit Exposure 2020	0
Credit Exposure 2019		180
Credit Exposure 2018	118	58
Credit Exposure Prior	1,273	1,127
Total	1,550	1,535
Multi-family residential
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	25,629	16,663
Credit Exposure 2021	18,566	4,286
Credit Exposure 2020	2,511	6,436
Credit Exposure 2019	6,334	908
Credit Exposure 2018	893	474
Credit Exposure Prior	1,961	2,113
Revolving Loans Amortized Cost	91	91
Total	55,985	30,971
Multi-family residential | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	25,629	16,663
Credit Exposure 2021	18,566	4,286
Credit Exposure 2020	2,511	6,436
Credit Exposure 2019	6,334	908
Credit Exposure 2018	893	474
Credit Exposure Prior	1,961	2,113
Revolving Loans Amortized Cost	91	91
Total	55,985	30,971
Multi-family residential | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure Prior, Recoveries	0
Total	0
Consumer and Overdrafts
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	18,018	24,847
Credit Exposure 2021	17,236	11,616
Credit Exposure 2020	8,090	4,572
Credit Exposure 2019	2,873	4,709
Credit Exposure 2018	3,705	563
Credit Exposure Prior	668	543
Revolving Loans Amortized Cost	6,278	4,478
Total	56,868	51,328
Credit Exposure 2022.Charge - offs	(138)	(285)
Credit Exposure 2021.Charge - offs	(14)	(36)
Credit Exposure 2020.Charge - offs	(22)	(57)
Credit Exposure 2019.Charge - offs		(32)
Credit Exposure 2018.Charge - offs		(2)
Credit Exposure Prior.Charge - offs		(2)
Total	(174)	(414)
Credit Exposure 2022, Recoveries	43	61
Credit Exposure 2021, Recoveries	1	3
Credit Exposure 2019, Recoveries	11	8
Credit Exposure 2018, Recoveries		2
Credit Exposure Prior, Recoveries	11	21
Total	66	95
Credit Exposure 2022,Current period net	(95)	(224)
Credit Exposure 2021,Current period net	(13)	(33)
Credit Exposure 2020,Current period net	(22)	(57)
Credit Exposure 2019,Current period net	11	(24)
Credit Exposure Prior,Current period net	11	19
Total	(108)	(319)
Consumer and Overdrafts | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	18,010	24,715
Credit Exposure 2021	17,136	11,589
Credit Exposure 2020	8,071	4,557
Credit Exposure 2019	2,865	4,647
Credit Exposure 2018	3,674	558
Credit Exposure Prior	660	543
Revolving Loans Amortized Cost	6,028	4,478
Total	56,444	51,087
Consumer and Overdrafts | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	8	76
Credit Exposure 2021	32
Credit Exposure 2020	2	5
Credit Exposure 2019	0
Credit Exposure Prior	0
Revolving Loans Amortized Cost	0
Total	42	81
Consumer and Overdrafts | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022		56
Credit Exposure 2021	68	27
Credit Exposure 2020	17	10
Credit Exposure 2019	8	62
Credit Exposure 2018	31	5
Credit Exposure Prior	8
Revolving Loans Amortized Cost	250
Total	382	160
Agricultural
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	1,719	3,557
Credit Exposure 2021	2,392	1,880
Credit Exposure 2020	1,391	931
Credit Exposure 2019	754	940
Credit Exposure 2018	671	273
Credit Exposure Prior	631	566
Revolving Loans Amortized Cost	6,944	6,492
Total	14,502	14,639
Total		(8)
Credit Exposure Prior, Recoveries		8
Credit Exposure Prior,Current period net		8
Total		8
Agricultural | Pass
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2022	1,719	3,557
Credit Exposure 2021	2,392	1,866
Credit Exposure 2020	1,377	927
Credit Exposure 2019	680	917
Credit Exposure 2018	665	221
Credit Exposure Prior	540	526
Revolving Loans Amortized Cost	6,865	6,492
Total	14,238	14,506
Agricultural | Special Mention
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2018		13
Credit Exposure Prior	6
Total	6	13
Agricultural | Substandard
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2021		14
Credit Exposure 2020	14	4
Credit Exposure 2019	3	15
Credit Exposure 2018	0	39
Credit Exposure Prior	32
Total	49	72
Agricultural | Nonaccrual
Financing Receivable Recorded Investment [Line Items]
Credit Exposure 2019	71	8
Credit Exposure 2018	6
Credit Exposure Prior	53	40
Revolving Loans Amortized Cost	79
Total	$ 209	$ 48