LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	$ 30,433	$ 33,619	$ 16,202
Impact of adopting ASC 326			4,548
Provision for (reversal of) for credit losses	2,150	(1,700)	13,200
Loans charged-off	(849)	(1,641)	(543)
Recoveries	240	155	212
Ending balance	31,974	30,433	33,619
Commercial and industrial
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	3,600	4,033	2,056
Impact of adopting ASC 326			546
Provision for (reversal of) for credit losses	902	(43)	1,398
Loans charged-off	(192)	(411)	(68)
Recoveries	72	21	101
Ending balance	4,382	3,600	4,033
Construction and development
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	4,221	4,735	2,378
Impact of adopting ASC 326			323
Provision for (reversal of) for credit losses	668	(515)	2,034
Loans charged-off		0	0
Recoveries	0	1	0
Ending balance	4,889	4,221	4,735
Commercial real estate
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	13,765	15,780	6,853
Impact of adopting ASC 326			2,228
Provision for (reversal of) for credit losses	(1,108)	(1,229)	6,698
Loans charged-off	0	(816)	0
Recoveries	1	30	1
Ending balance	12,658	13,765	15,780
Farmland
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	1,698	1,220	570
Impact of adopting ASC 326			26
Provision for (reversal of) for credit losses	310	478	624
Loans charged-off		0	0
Ending balance	2,008	1,698	1,220
1-4 family residential
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	5,818	6,313	3,125
Impact of adopting ASC 326			1,339
Provision for (reversal of) for credit losses	769	(495)	1,915
Loans charged-off		0	(68)
Recoveries	30	0	2
Ending balance	6,617	5,818	6,313
Multi-family residential
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	396	363	409
Impact of adopting ASC 326			(50)
Provision for (reversal of) for credit losses	94	33	4
Loans charged-off		0	0
Ending balance	490	396	363
Consumer
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	762	929	602
Impact of adopting ASC 326			72
Provision for (reversal of) for credit losses	283	(51)	373
Loans charged-off	(322)	(151)	(155)
Recoveries	55	35	37
Ending balance	778	762	929
Agricultural
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	169	239	197
Impact of adopting ASC 326			73
Provision for (reversal of) for credit losses	(20)	(78)	(33)
Loans charged-off		0	(18)
Recoveries		8	20
Ending balance	149	169	239
Overdrafts
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	4	7	12
Impact of adopting ASC 326			(9)
Provision for (reversal of) for credit losses	252	200	187
Loans charged-off	(335)	(263)	(234)
Recoveries	82	60	51
Ending balance	$ 3	$ 4	$ 7