v3.26.3
LOANS HELD FOR INVESTMENT - Amortized Cost Basis of Loans Modified to Borrowers Experiencing Financial Difficulty and Financial Effects of Loan Modifications (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.15% 0.18% 0.19% 0.19%
Weighted-average interest rate reduction 0.00%   0.00%  
Nonaccrual $ 6,123 $ 4,146 $ 6,123 $ 4,146
Auto loans 0.00%   0.00%  
Other consumer 0.00%   0.00%  
Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified $ 0 0 $ 526 44
Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 700 793 1,325 1,045
Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 5,095 4,660 5,330 4,718
Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 11
Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 1,162 1,217 1,162 1,217
30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 12 922 12 922
90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 30 $ 84 $ 30 $ 84
Commercial Real Estate [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.33% 0.07% 0.33% 0.07%
Weighted-average interest rate reduction 0.00% 0.00% 0.00% 0.00%
Weighted-average term extension 15 years 9 years 15 years 9 years
Nonaccrual $ 4,511 $ 0 $ 4,511 $ 0
Auto loans 0.00% 0.00% 0.00% 0.00%
Other consumer 0.00% 0.00% 0.00% 0.00%
Commercial Real Estate [Member] | Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified $ 0 $ 0 $ 0 $ 0
Commercial Real Estate [Member] | Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 124 0 124
Commercial Real Estate [Member] | Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Commercial Real Estate [Member] | Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 4,511 604 4,511 604
Commercial Real Estate [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Commercial Real Estate [Member] | Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 727 0 727
Commercial Real Estate [Member] | 30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 0 0 0
Commercial Real Estate [Member] | 90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 0 $ 0 $ 0 $ 0
Commercial [Member] | Specialized [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.00% 0.03% 0.04% 0.03%
Weighted-average interest rate reduction 0.00% 0.00% 0.00% 0.00%
Weighted-average term extension   11 years   11 years
Nonaccrual $ 0 $ 101 $ 0 $ 101
Auto loans 0.00% 0.00% 0.00% 0.00%
Other consumer 0.00% 0.00% 0.00% 0.00%
Commercial [Member] | Specialized [Member] | Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified $ 0 $ 0 $ 169 $ 0
Commercial [Member] | Specialized [Member] | Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Commercial [Member] | Specialized [Member] | Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Commercial [Member] | Specialized [Member] | Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 101 0 101
Commercial [Member] | Specialized [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Commercial [Member] | Specialized [Member] | Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 169 0 169 0
Commercial [Member] | Specialized [Member] | 30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 0 0 0
Commercial [Member] | Specialized [Member] | 90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 0 $ 0 $ 0 $ 0
Commercial [Member] | General [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.08% 0.65% 0.14% 0.70%
Weighted-average interest rate reduction 0.00% 0.00% 0.00% 1.00%
Weighted-average term extension 3 years 5 years 3 years 7 years
Nonaccrual $ 375 $ 4,045 $ 375 $ 4,045
Auto loans 0.00% 0.00% 0.00% 1.00%
Other consumer 0.00% 0.00% 0.00% 1.00%
Commercial [Member] | General [Member] | Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified $ 0 $ 0 $ 357 $ 0
Commercial [Member] | General [Member] | Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 700 139 766 391
Commercial [Member] | General [Member] | Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Commercial [Member] | General [Member] | Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 3,955 12 3,998
Commercial [Member] | General [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 8
Commercial [Member] | General [Member] | Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 870 243 870 243
Commercial [Member] | General [Member] | 30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 12 156 12 156
Commercial [Member] | General [Member] | 90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 0 $ 0 $ 0 $ 0
Consumer [Member] | 1-4 Family Residential [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.00% 0.00% 0.04% 0.00%
Weighted-average interest rate reduction 0.00% 0.00% 0.00% 0.00%
Weighted-average term extension     44 years  
Nonaccrual $ 124 $ 0 $ 124 $ 0
Auto loans 0.00% 0.00% 0.00% 0.00%
Other consumer 0.00% 0.00% 0.00% 0.00%
Consumer [Member] | 1-4 Family Residential [Member] | Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified $ 0 $ 0 $ 0 $ 0
Consumer [Member] | 1-4 Family Residential [Member] | Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 30 0
Consumer [Member] | 1-4 Family Residential [Member] | Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | 1-4 Family Residential [Member] | Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 223 0
Consumer [Member] | 1-4 Family Residential [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | 1-4 Family Residential [Member] | Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 99 185 99 185
Consumer [Member] | 1-4 Family Residential [Member] | 30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 237 0 237
Consumer [Member] | 1-4 Family Residential [Member] | 90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 30 $ 84 $ 30 $ 84
Consumer [Member] | Auto Loans [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.00% 0.00% 0.00% 0.02%
Weighted-average interest rate reduction   0.00%   1.20%
Weighted-average term extension       50 years
Nonaccrual $ 0 $ 0 $ 0 $ 0
Auto loans   0.00%   1.20%
Other consumer   0.00%   1.20%
Consumer [Member] | Auto Loans [Member] | Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 $ 0 0 $ 44
Consumer [Member] | Auto Loans [Member] | Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | Auto Loans [Member] | Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | Auto Loans [Member] | Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | Auto Loans [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 3
Consumer [Member] | Auto Loans [Member] | Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 24 47 24 47
Consumer [Member] | Auto Loans [Member] | 30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 0 0 0
Consumer [Member] | Auto Loans [Member] | 90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 0 $ 0 $ 0 $ 0
Consumer [Member] | Other Consumer [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.00% 0.00% 0.00% 0.02%
Weighted-average interest rate reduction   0.00%   0.00%
Weighted-average term extension       5 years
Nonaccrual $ 0 $ 0 $ 0 $ 0
Auto loans   0.00%   0.00%
Other consumer   0.00%   0.00%
Consumer [Member] | Other Consumer [Member] | Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 $ 0 0 $ 0
Consumer [Member] | Other Consumer [Member] | Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | Other Consumer [Member] | Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | Other Consumer [Member] | Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 15
Consumer [Member] | Other Consumer [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Consumer [Member] | Other Consumer [Member] | Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 15 0 15
Consumer [Member] | Other Consumer [Member] | 30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 0 0 0
Consumer [Member] | Other Consumer [Member] | 90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 0 $ 0 $ 0 $ 0
Construction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
% of total class of financing receivable 0.38% 0.54% 0.72% 0.54%
Weighted-average interest rate reduction 0.00% 0.00% 0.00% 0.00%
Weighted-average term extension 6 years 3 years 40 years 3 years
Nonaccrual $ 1,113 $ 0 $ 1,113 $ 0
Auto loans 0.00% 0.00% 0.00% 0.00%
Other consumer 0.00% 0.00% 0.00% 0.00%
Construction [Member] | Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified $ 0 $ 0 $ 0 $ 0
Construction [Member] | Term Extension [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified   530 529 530
Construction [Member] | Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Construction [Member] | Term Extension and Payment Delay [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 584 0 584 0
Construction [Member] | Payment Delay, Term Extension, and Interest Rate Reduction [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loans modified 0 0 0 0
Construction [Member] | Current [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 0 0 0
Construction [Member] | 30-89 Days Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified 0 529 0 529
Construction [Member] | 90 Days or More Past Due [Member]        
LOANS HELD FOR INVESTMENT [Abstract]        
Loan modified $ 0 $ 0 $ 0 $ 0