XML 70 R48.htm IDEA: XBRL DOCUMENT v3.25.4
NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING AND REPORTING POLICIES - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
office
reportingUnit
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
New Accounting Pronouncement Early Adoption [Line Items]      
Number of offices in which entity operates | office 52    
Accrued interest receivable on securities available for sale $ 8,000    
Debt securities, available-for-sale, accrued interest, after allowance for credit loss, statement of financial position Accrued interest receivable    
Accrued interest receivable $ 27,600 $ 30,400  
Remaining lease term in which lease is evaluated for renewal 2 years    
Other real estate owned $ 7,500    
Percentage of recognition threshold for which the largest amount of tax benefit is realized upon ultimate settlement with the related tax authority 50.00%    
Number of reportable segments | reportingUnit 1    
401 (k) Benefit Plan      
New Accounting Pronouncement Early Adoption [Line Items]      
Employee contributions match 6.00%    
Employer contribution amount $ 5,700 $ 5,500 $ 5,000
Minimum      
New Accounting Pronouncement Early Adoption [Line Items]      
Premises and equipment, useful life 3 years    
Minimum | Core Deposit Intangibles      
New Accounting Pronouncement Early Adoption [Line Items]      
Intangibles, useful life 7 years    
Minimum | Collateral Dependent Loans Specific Allocation of Allowance for Credit Losses on Loans      
New Accounting Pronouncement Early Adoption [Line Items]      
Percentage of estimated selling and closing costs of collateral 5.00%    
Maximum      
New Accounting Pronouncement Early Adoption [Line Items]      
Premises and equipment, useful life 39 years    
Maximum | Core Deposit Intangibles      
New Accounting Pronouncement Early Adoption [Line Items]      
Intangibles, useful life 10 years    
Maximum | Collateral Dependent Loans Specific Allocation of Allowance for Credit Losses on Loans      
New Accounting Pronouncement Early Adoption [Line Items]      
Percentage of estimated selling and closing costs of collateral 10.00%    
Financial Asset Acquired with Credit Deterioration      
New Accounting Pronouncement Early Adoption [Line Items]      
PCD loan value $ 13,800    
Allowance for credit losses $ 267    
Houston Region      
New Accounting Pronouncement Early Adoption [Line Items]      
Number of offices in which entity operates | office 35    
Beaumont      
New Accounting Pronouncement Early Adoption [Line Items]      
Number of offices in which entity operates | office 16    
Dallas      
New Accounting Pronouncement Early Adoption [Line Items]      
Number of offices in which entity operates | office 1