LOANS HELD FOR INVESTMENT, Summary of Loans Held for Investment by Category (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($) Category	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	$ 3,037,375		$ 3,014,153
Allowance for credit losses on loans	(42,886)	$ (43,173)	(42,356)	$ (42,075)	$ (43,137)	$ (39,288)
Loans held for investment, net	2,994,489		2,971,797
Commercial Real Estate [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	1,120,447		1,081,056
Allowance for credit losses on loans	$ (15,924)	(15,593)	(15,808)	(14,945)	(14,501)	(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	$ 406,255		372,376
Allowance for credit losses on loans	(4,907)	(4,736)	(4,020)	(3,943)	(4,154)	(3,425)
Commercial [Member] | General [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	526,448		517,361
Allowance for credit losses on loans	(6,400)	(6,841)	(6,391)	(6,370)	(7,637)	(9,215)
Consumer [Member] | 1-4 Family Residential [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	562,401		534,731
Allowance for credit losses on loans	(9,558)	(9,702)	(9,177)	(8,990)	(8,851)	(6,194)
Consumer [Member] | Auto Loans [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	253,509		305,271
Allowance for credit losses on loans	(3,060)	(3,287)	(3,601)	(3,786)	(3,900)	(3,926)
Consumer [Member] | Other Consumer [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	65,789		74,168
Allowance for credit losses on loans	(959)	(974)	(968)	(1,022)	(1,107)	(1,376)
Construction [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	102,526		129,190
Allowance for credit losses on loans	(2,078)	$ (2,040)	(2,391)	$ (3,019)	$ (2,987)	$ (2,123)
Commercial and Construction Real Estate [Member] | Non-Owner Occupied Real Estate [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	$ 1,220,000		$ 1,210,000