LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses Activity (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	$ 28,290	$ 30,920	$ 30,920
Provision for (reversal of) for credit losses	(300)	(250)	(2,200)
Loans charged-off	(145)	(310)	(978)
Recoveries	20	200	548
Ending balance	27,865	30,560	28,290
Commercial and industrial
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	2,973	3,719	3,719
Provision for (reversal of) for credit losses	(271)	67	(524)
Loans charged-off	(93)	(216)	(630)
Recoveries	1	174	408
Ending balance	2,610	3,744	2,973
Construction and development
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	2,738	3,623	3,623
Provision for (reversal of) for credit losses	27	(363)	(885)
Loans charged-off	0	0	0
Recoveries	0	0	0
Ending balance	2,765	3,260	2,738
Commercial real estate
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	11,718	12,257	12,257
Provision for (reversal of) for credit losses	(109)	19	(539)
Loans charged-off	0	0	0
Recoveries	0	0	0
Ending balance	11,609	12,276	11,718
Farmland
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	1,830	2,231	2,231
Provision for (reversal of) for credit losses	(82)	(27)	(401)
Loans charged-off	0	0	0
Recoveries	0	0	0
Ending balance	1,748	2,204	1,830
1-4 family residential
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	7,656	7,470	7,470
Provision for (reversal of) for credit losses	7	215	186
Loans charged-off	0	0	0
Recoveries	0	0	0
Ending balance	7,663	7,685	7,656
Multi-family residential
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	528	521	521
Provision for (reversal of) for credit losses	(12)	(4)	7
Loans charged-off	0	0	0
Recoveries	0	0	0
Ending balance	516	517	528
Consumer
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	844	945	945
Provision for (reversal of) for credit losses	(37)	(194)	(80)
Loans charged-off	(3)	(35)	(106)
Recoveries	7	7	85
Ending balance	811	723	844
Agricultural
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	0	152	152
Provision for (reversal of) for credit losses	136	(6)	(155)
Loans charged-off	0	0	0
Recoveries	0	2	3
Ending balance	136	148	0
Overdrafts
Allowance for credit losses:
Beginning balance, prior to adoption of ASC 326	3	2	2
Provision for (reversal of) for credit losses	41	43	191
Loans charged-off	(49)	(59)	(242)
Recoveries	12	17	52
Ending balance	$ 7	$ 3	$ 3