LOANS HELD FOR INVESTMENT, Amortized Cost Basis of Loans Modified to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.09%	0.20%	0.11%	0.46%
Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 337	$ 295	$ 352	$ 420
Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	4,255	508	11,287
Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	820	0	820	0
Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	1,549	347	1,549	978
Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	943	35	1,056
Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	13
Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 8	$ 0	$ 60
Commercial Real Estate [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.01%	0.21%	0.01%	0.21%
Commercial Real Estate [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 74	$ 0	$ 74	$ 0
Commercial Real Estate [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	2,112	67	2,112
Commercial Real Estate [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Commercial Real Estate [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	36	0	132
Commercial Real Estate [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Commercial Real Estate [Member] | Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Commercial Real Estate [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Commercial [Member] | Specialized [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.00%	0.19%	0.00%	0.43%
Commercial [Member] | Specialized [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 15	$ 118
Commercial [Member] | Specialized [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	690
Commercial [Member] | Specialized [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Commercial [Member] | Specialized [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	82
Commercial [Member] | Specialized [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	692	0	692
Commercial [Member] | Specialized [Member] | Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Commercial [Member] | Specialized [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Commercial [Member] | General [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.00%	0.07%	0.09%	1.11%
Commercial [Member] | General [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 33	$ 0	$ 33
Commercial [Member] | General [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	327	441	5,053
Commercial [Member] | General [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Commercial [Member] | General [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	11	5	11	458
Commercial [Member] | General [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	35	113
Commercial [Member] | General [Member] | Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Commercial [Member] | General [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 39
Consumer [Member] | 1-4 Family [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.05%	0.08%	0.05%	0.16%
Consumer [Member] | 1-4 Family [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 263	$ 183	$ 263	$ 190
Consumer [Member] | 1-4 Family [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	391
Consumer [Member] | 1-4 Family [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | 1-4 Family [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | 1-4 Family [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	251	0	251
Consumer [Member] | 1-4 Family [Member] | Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | 1-4 Family [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 8	$ 0	$ 21
Consumer [Member] | Auto Loans [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.00%	0.02%	0.00%	0.04%
Consumer [Member] | Auto Loans [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 79	$ 0	$ 79
Consumer [Member] | Auto Loans [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	39
Consumer [Member] | Auto Loans [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Auto Loans [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Auto Loans [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Auto Loans [Member] | Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Auto Loans [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Consumer [Member] | Other Consumer [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	0.00%	0.00%	0.00%	0.02%
Consumer [Member] | Other Consumer [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Consumer [Member] | Other Consumer [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Other Consumer [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Other Consumer [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Other Consumer [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Consumer [Member] | Other Consumer [Member] | Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	13
Consumer [Member] | Other Consumer [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Construction [Member]
Financing Receivable Modification [Abstract]
Total class of financing receivable	2.30%	1.53%	2.30%	2.39%
Construction [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Construction [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	1,816	0	3,002
Construction [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	820	0	820	0
Construction [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	1,538	306	1,538	306
Construction [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Construction [Member] | Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Construction [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0