LOANS HELD FOR INVESTMENT, Summary of Internal Classifications of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans by Internal Classifications [Abstract]
Loans	$ 2,437,577	$ 2,221,583
Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	2,371,284	2,135,565
Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	1,676	0
Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	64,617	86,018
Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial Real Estate [Member]
Loans by Internal Classifications [Abstract]
Loans	755,444	663,344
Commercial Real Estate [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	713,852	602,250
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	41,592	61,094
Commercial Real Estate [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial [Member] | Specialized [Member]
Loans by Internal Classifications [Abstract]
Loans	378,725	311,686
Commercial [Member] | Specialized [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	372,797	303,831
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	5,928	7,855
Commercial [Member] | Specialized [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Commercial [Member] | General [Member]
Loans by Internal Classifications [Abstract]
Loans	460,024	518,309
Commercial [Member] | General [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	450,790	510,543
Commercial [Member] | General [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	1,676	0
Commercial [Member] | General [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	7,558	7,766
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	387,690	360,315
Consumer [Member] | 1-4 Family Residential [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	379,458	352,930
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	8,232	7,385
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	240,719	205,840
Consumer [Member] | Auto Loans [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	239,869	204,301
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	850	1,539
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	68,113	67,595
Consumer [Member] | Other Consumer [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	67,822	67,216
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	291	379
Consumer [Member] | Other Consumer [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Construction [Member]
Loans by Internal Classifications [Abstract]
Loans	146,862	94,494
Construction [Member] | Pass [Member]
Loans by Internal Classifications [Abstract]
Loans	146,696	94,494
Construction [Member] | Special Mention [Member]
Loans by Internal Classifications [Abstract]
Loans	0	0
Construction [Member] | Substandard [Member]
Loans by Internal Classifications [Abstract]
Loans	166	0
Construction [Member] | Doubtful [Member]
Loans by Internal Classifications [Abstract]
Loans	$ 0	$ 0