LOANS HELD FOR INVESTMENT, Summary of Internal Classifications of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Loans by Internal Classifications [Abstract]
Loans	$ 2,690,366	$ 2,437,577
Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	2,621,821	2,371,284
Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	1,676
Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	68,545	64,617
Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial Real Estate [Member]
Loans by Internal Classifications [Abstract]
Loans	869,231	755,444
Commercial Real Estate [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	841,324	713,852
Commercial Real Estate [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial Real Estate [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	27,907	41,592
Commercial Real Estate [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial [Member] | Specialized [Member]
Loans by Internal Classifications [Abstract]
Loans	368,204	378,725
Commercial [Member] | Specialized [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	367,346	372,797
Commercial [Member] | Specialized [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial [Member] | Specialized [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	858	5,928
Commercial [Member] | Specialized [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial [Member] | General [Member]
Loans by Internal Classifications [Abstract]
Loans	477,209	460,024
Commercial [Member] | General [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	448,397	450,790
Commercial [Member] | General [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	1,676
Commercial [Member] | General [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	28,812	7,558
Commercial [Member] | General [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Consumer [Member] | 1-4 Family Residential [Member]
Loans by Internal Classifications [Abstract]
Loans	424,802	387,690
Consumer [Member] | 1-4 Family Residential [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	415,392	379,458
Consumer [Member] | 1-4 Family Residential [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Consumer [Member] | 1-4 Family Residential [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	9,410	8,232
Consumer [Member] | 1-4 Family Residential [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Consumer [Member] | Auto Loans [Member]
Loans by Internal Classifications [Abstract]
Loans	309,110	240,719
Consumer [Member] | Auto Loans [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	308,730	239,869
Consumer [Member] | Auto Loans [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Consumer [Member] | Auto Loans [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	380	850
Consumer [Member] | Auto Loans [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Consumer [Member] | Other Consumer [Member]
Loans by Internal Classifications [Abstract]
Loans	80,524	68,113
Consumer [Member] | Other Consumer [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	80,323	67,822
Consumer [Member] | Other Consumer [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Consumer [Member] | Other Consumer [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	201	291
Consumer [Member] | Other Consumer [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Construction [Member]
Loans by Internal Classifications [Abstract]
Loans	161,286	146,862
Construction [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	160,309	146,696
Construction [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Construction [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	977	166
Construction [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	$ 0	$ 0