LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Loan Portfolio by Type of Loan (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023
Loans held for investment:
Total loans	$ 2,141,441	$ 2,131,137
Deferred loan fees, net	(1,004)	(282)
Allowance for credit losses	(27,586)	(28,290)	$ (29,282)	$ (30,920)
Total net loans	2,112,851	2,102,565
Commercial and industrial
Loans held for investment:
Total loans	210,504	254,702
Allowance for credit losses	(2,583)	(2,973)	(3,186)	(3,719)
Construction and development
Loans held for investment:
Total loans	249,172	218,617
Allowance for credit losses	(2,737)	(2,738)	(2,906)	(3,623)
Commercial real estate
Loans held for investment:
Total loans	876,112	866,684
Allowance for credit losses	(11,493)	(11,718)	(12,179)	(12,257)
Farmland
Loans held for investment:
Total loans	122,115	147,191
Allowance for credit losses	(1,730)	(1,830)	(2,077)	(2,231)
1-4 family residential
Loans held for investment:
Total loans	544,705	529,006
Allowance for credit losses	(7,587)	(7,656)	(7,401)	(7,470)
Multi-family residential
Loans held for investment:
Total loans	77,134	51,538
Allowance for credit losses	(511)	(528)	(540)	(521)
Consumer
Loans held for investment:
Total loans	47,882	51,394
Allowance for credit losses	(803)	(844)	(848)	(945)
Agricultural
Loans held for investment:
Total loans	13,491	11,726
Allowance for credit losses	(135)	0	(142)	(152)
Overdrafts
Loans held for investment:
Total loans	326	279
Allowance for credit losses	$ (7)	$ (3)	$ (3)	$ (2)