LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Loan Portfolio by Type of Loan (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Loans held for investment:
Total loans	$ 2,108,161	$ 2,131,137
Deferred loan fees, net	(432)	(282)
Allowance for credit losses	(27,865)	(28,290)	$ (30,560)	$ (30,920)
Total net loans	2,079,864	2,102,565
Commercial and industrial
Loans held for investment:
Total loans	226,819	254,702
Allowance for credit losses	(2,610)	(2,973)	(3,744)	(3,719)
Construction and development
Loans held for investment:
Total loans	225,051	218,617
Allowance for credit losses	(2,765)	(2,738)	(3,260)	(3,623)
Commercial real estate
Loans held for investment:
Total loans	866,891	866,684
Allowance for credit losses	(11,609)	(11,718)	(12,276)	(12,257)
Farmland
Loans held for investment:
Total loans	139,455	147,191
Allowance for credit losses	(1,748)	(1,830)	(2,204)	(2,231)
1-4 family residential
Loans held for investment:
Total loans	534,991	529,006
Allowance for credit losses	(7,663)	(7,656)	(7,685)	(7,470)
Multi-family residential
Loans held for investment:
Total loans	51,249	51,538
Allowance for credit losses	(516)	(528)	(517)	(521)
Consumer
Loans held for investment:
Total loans	50,434	51,394
Allowance for credit losses	(811)	(844)	(723)	(945)
Agricultural
Loans held for investment:
Total loans	12,634	11,726
Allowance for credit losses	(136)	0	(148)	(152)
Overdrafts
Loans held for investment:
Total loans	637	279
Allowance for credit losses	$ (7)	$ (3)	$ (3)	$ (2)