LOANS HELD FOR INVESTMENT, Amortized Cost Basis of Loans Modified to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Financing Receivable Modification [Abstract]
% of total class of financing receivable	0.02%	0.02%	0.03%	0.02%
Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 44	$ 15	$ 44	$ 15
Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	508	260	508
Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	634	0	677	0
Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	35
Payment Delay and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Payment Delay, Term Extension, and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 13	$ 0	$ 13	$ 0
Commercial Real Estate [Member]
Financing Receivable Modification [Abstract]
% of total class of financing receivable	0.00%	0.01%	0.00%	0.01%
Commercial Real Estate [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Commercial Real Estate [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	67	0	67
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	0	0	0
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]
% of total class of financing receivable	0.01%	0.00%	0.01%	0.00%
Commercial [Member] | Specialized [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 15	$ 0	$ 15
Commercial [Member] | Specialized [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
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	38	0	38	0
Commercial [Member] | Specialized [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
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]
% of total class of financing receivable	0.01%	0.08%	0.06%	0.09%
Commercial [Member] | General [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Commercial [Member] | General [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	441	260	441
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	50	0	93	0
Commercial [Member] | General [Member] | Term Extension and Interest Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	35
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	$ 10	$ 0	$ 10	$ 0
Consumer [Member] | 1-4 Family [Member]
Financing Receivable Modification [Abstract]
% of total class of financing receivable	0.00%	0.00%	0.00%	0.00%
Consumer [Member] | 1-4 Family [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 0	$ 0	$ 0	$ 0
Consumer [Member] | 1-4 Family [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
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	0	0	0
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	$ 0	$ 0	$ 0
Consumer [Member] | Auto Loans [Member]
Financing Receivable Modification [Abstract]
% of total class of financing receivable	0.02%	0.00%	0.02%	0.00%
Consumer [Member] | Auto Loans [Member] | Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	$ 44	$ 0	$ 44	$ 0
Consumer [Member] | Auto Loans [Member] | Term Extension [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
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	$ 3	$ 0	$ 3	$ 0
Consumer [Member] | Other Consumer [Member]
Financing Receivable Modification [Abstract]
% of total class of financing receivable	0.03%	0.00%	0.03%	0.00%
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	17	0	17	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	0
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]
% of total class of financing receivable	0.52%	0.00%	0.52%	0.00%
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	0	0	0
Construction [Member] | Rate Reduction [Member]
Financing Receivable Modification [Abstract]
Loans modified	0	0	0	0
Construction [Member] | Term Extension and Payment Delay [Member]
Financing Receivable Modification [Abstract]
Loans modified	529	0	529	0
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