LOANS HELD FOR INVESTMENT, Investment in loans Disaggregated Based on Method of Evaluating Impairment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	$ 1,624	$ 5,106
Collectively Evaluated - Probability of Default		2,742,975
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	142	285
Collectively Evaluated - Probability of Default		39,003
Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	1,271
Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	353
Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Commercial Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		919,358
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		13,029
Commercial Real Estate [Member] | Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Commercial Real Estate [Member] | Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Commercial Real Estate [Member] | Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Commercial [Member] | Specialized [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		327,513
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		3,425
Commercial [Member] | Specialized [Member] | Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Commercial [Member] | Specialized [Member] | Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Commercial [Member] | Specialized [Member] | Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Commercial [Member] | General [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	1,044	3,350
Collectively Evaluated - Probability of Default		481,433
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	142	22
Collectively Evaluated - Probability of Default		9,193
Commercial [Member] | General [Member] | Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	691
Commercial [Member] | General [Member] | Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	353
Commercial [Member] | General [Member] | Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | 1-4 Family Residential [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	362	742
Collectively Evaluated - Probability of Default		459,382
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	0	18
Collectively Evaluated - Probability of Default		6,176
Consumer [Member] | 1-4 Family Residential [Member] | Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	362
Consumer [Member] | 1-4 Family Residential [Member] | Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | 1-4 Family Residential [Member] | Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | Auto Loans [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		321,476
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		3,926
Consumer [Member] | Auto Loans [Member] | Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | Auto Loans [Member] | Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | Auto Loans [Member] | Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | Other Consumer [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		81,308
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	0	0
Collectively Evaluated - Probability of Default		1,376
Consumer [Member] | Other Consumer [Member] | Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | Other Consumer [Member] | Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Consumer [Member] | Other Consumer [Member] | Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Construction [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	218	1,014
Collectively Evaluated - Probability of Default		152,505
ACL for Loans [Abstract]
Individually Evaluated - Fair Value of Collateral	0	245
Collectively Evaluated - Probability of Default		$ 1,878
Construction [Member] | Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	218
Construction [Member] | Equipment [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	0
Construction [Member] | Accounts Receivable [Member]
Recorded Investment [Abstract]
Individually Evaluated - Fair Value of Collateral	$ 0