Quarterly report [Sections 13 or 15(d)]

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Narrative) (Details)

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LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Narrative) (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
Contracts
Mar. 31, 2025
USD ($)
Contracts
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Allowance for credit losses for loans HFI $ 30,999 $ 29,734 $ 31,001 $ 29,251
Provision for Credit Losses 635 1,083    
Net loan charge-offs 637 600    
Change in financing receivable allowance   $ 500    
Accrued interest receivable $ 9,500   9,800  
Number of modified contracts | Contracts 0 0    
Amortized cost basis of loans modified during the preceding twelve months $ 3,400      
Modified loan balance 2,000      
Net deferred costs 8,500   8,600  
30-59 Days Past Due [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Modified loan balance 1,400 $ 0    
Real Estate - Residential [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Allowance for credit losses for loans HFI 16,064 14,885 15,317 $ 14,568
Provision for Credit Losses 670 206    
Net loan charge-offs (77) $ (111)    
Real estate loans for which formal foreclosure proceedings were in process $ 500   $ 200