LOANS HELD FOR INVESTMENT, Summary of Loans Held for Investment by Category (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2025 USD ($) Category	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Summary of Loans Held for Investment by Category [Abstract]
Allowance for credit losses on loans	$ (45,010)	$ (42,968)	$ (43,237)	$ (43,173)	$ (42,174)	$ (42,356)
Loans held for investment, net	3,053,968		3,011,817
Loans, gross	3,098,978		3,055,054
Commercial Real Estate [Member]
Summary of Loans Held for Investment by Category [Abstract]
Allowance for credit losses on loans	(15,706)	(15,787)	(15,973)	(15,593)	(15,784)	(15,808)
Loans, gross	$ 1,085,309		1,119,063
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]
Allowance for credit losses on loans	$ (4,881)	(4,523)	(4,640)	(4,736)	(3,848)	(4,020)
Loans, gross	379,068		388,955
Commercial [Member] | General [Member]
Summary of Loans Held for Investment by Category [Abstract]
Allowance for credit losses on loans	(7,228)	(6,403)	(6,874)	(6,841)	(6,708)	(6,391)
Loans, gross	620,934		557,371
Consumer [Member] | 1-4 Family Residential [Member]
Summary of Loans Held for Investment by Category [Abstract]
Allowance for credit losses on loans	(11,150)	(10,079)	(9,677)	(9,702)	(9,280)	(9,177)
Loans, gross	589,935		566,400
Consumer [Member] | Auto Loans [Member]
Summary of Loans Held for Investment by Category [Abstract]
Allowance for credit losses on loans	(2,995)	(3,096)	(3,015)	(3,287)	(3,415)	(3,601)
Loans, gross	258,193		254,474
Consumer [Member] | Other Consumer [Member]
Summary of Loans Held for Investment by Category [Abstract]
Allowance for credit losses on loans	(1,102)	(1,107)	(1,115)	(974)	(983)	(968)
Loans, gross	63,589		64,936
Construction [Member]
Summary of Loans Held for Investment by Category [Abstract]
Allowance for credit losses on loans	(1,948)	$ (1,973)	(1,943)	$ (2,040)	$ (2,156)	$ (2,391)
Loans, gross	101,950		103,855
Commercial and Construction Real Estate Portfolio Segment [Member] | Non-Owner Occupied Real Estate [Member]
Summary of Loans Held for Investment by Category [Abstract]
Loans, gross	$ 1,190,000		$ 1,220,000