LOANS HELD FOR INVESTMENT, Summary of Loans Held for Investment by Category (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) Category	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	$ 3,011,799	$ 3,014,153
Allowance for credit losses on loans	(42,174)	(42,356)	$ (39,560)	$ (39,288)
Loans held for investment, net	2,969,625	2,971,797
Commercial Real Estate [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	1,110,283	1,081,056
Allowance for credit losses on loans	$ (15,784)	(15,808)	(13,381)	(13,029)
Commercial [Member]
Summary of Loans Held for Investment by Category [Abstract]
Number of sub-categories of loans | Category	2
Commercial [Member] | Specialized [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	$ 351,546	372,376
Allowance for credit losses on loans	(3,848)	(4,020)	(3,510)	(3,425)
Commercial [Member] | General [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	527,576	517,361
Allowance for credit losses on loans	(6,708)	(6,391)	(6,267)	(9,215)
Consumer [Member] | 1-4 Family Residential [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	545,116	534,731
Allowance for credit losses on loans	(9,280)	(9,177)	(8,531)	(6,194)
Consumer [Member] | Auto Loans [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	292,389	305,271
Allowance for credit losses on loans	(3,415)	(3,601)	(3,714)	(3,926)
Consumer [Member] | Other Consumer [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	71,698	74,168
Allowance for credit losses on loans	(983)	(968)	(1,101)	(1,376)
Construction [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	113,191	129,190
Allowance for credit losses on loans	$ (2,156)	$ (2,391)	$ (3,056)	$ (2,123)