LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Loan Portfolio by Type of Loan (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Loans held for investment:
Total loans	$ 2,318,249	$ 2,378,176
Deferred loan fees, net	(946)	(1,957)
Allowance for credit losses	(31,140)	(31,974)	$ (29,235)	$ (30,433)
Total net loans	2,286,163	2,344,245
Commercial and industrial
Loans held for investment:
Total loans	292,410	314,067
Allowance for credit losses	(3,823)	(4,382)	(3,817)	(3,600)
Construction and development
Loans held for investment:
Total loans	317,484	377,135
Allowance for credit losses	(3,632)	(4,889)	(4,610)	(4,221)
Commercial real estate
Loans held for investment:
Total loans	901,321	887,587
Allowance for credit losses	(13,093)	(12,658)	(11,645)	(13,765)
Farmland
Loans held for investment:
Total loans	188,614	185,817
Allowance for credit losses	(2,119)	(2,008)	(1,839)	(1,698)
1-4 family residential
Loans held for investment:
Total loans	504,002	493,061
Allowance for credit losses	(6,778)	(6,617)	(6,006)	(5,818)
Multi-family residential
Loans held for investment:
Total loans	42,720	45,147
Allowance for credit losses	(471)	(490)	(446)	(396)
Consumer
Loans held for investment:
Total loans	58,294	61,394
Allowance for credit losses	(1,080)	(778)	(718)	(762)
Agricultural
Loans held for investment:
Total loans	13,076	13,686
Allowance for credit losses	(141)	(149)	(150)	(169)
Overdrafts
Loans held for investment:
Total loans	328	282
Allowance for credit losses	$ (3)	$ (3)	$ (4)	$ (4)

Loans and leases receivable deferred fees net.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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