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 9 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
Contracts
Item
Sep. 30, 2024
USD ($)
Item
Dec. 31, 2024
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Provision for Credit Losses $ 1,550 $ 1,879 $ 3,351 $ 3,890  
Net loan charge-offs 1,210 1,262 2,400 3,995  
Change in financing receivable allowance     900 (100)  
Accrued interest receivable 9,800   $ 9,800   $ 10,300
Number of modified contracts | Contracts     2    
Net deferred costs 8,500   $ 8,500   8,300
Real Estate - Residential [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Provision for Credit Losses 164 (240) 733 (551)  
Net loan charge-offs (1) (88) (128) (131)  
Real estate loans for which formal foreclosure proceedings were in process 900   900   $ 500
Real Estate - Commercial Mortgage [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Provision for Credit Losses 268 547 648 618  
Net loan charge-offs (8) $ (2) $ (17) $ (225)  
6-month Interest Only Extension [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Number of modified contracts | Contracts     1    
Modified loan balance 2,500   $ 2,500    
Number of modified contracts having payment delay | Item     0    
Interest Rate Below Market Reduction [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Number of modified contracts | Contracts     1    
Modified loan balance $ 300   $ 300    
Number of modified contracts having payment delay | Item     1    
Other New Modifications [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Number of modified contracts | Item     0 0