v3.26.1
Note 6 - Offsetting Assets And Liabilities - Offsetting of Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Repurchase Agreements [Member]    
Gross amount of liabilities   $ 85,326
Gross amount offset   0
Net amount of balance sheet liabilities   85,326
Securities posted as collateral   (84,758)
Cash posted as collateral   (568)
Net amount   0
Gross Amount Of Recognized Liabilties [Member]    
Gross amount of liabilities $ 15,033 85,326
Gross Amount Of Recognized Liabilties [Member] | Repurchase Agreements [Member]    
Gross amount of liabilities 15,033  
Gross Amount Of Liabilties Offset In The Balance Sheet [Member]    
Gross amount offset 0 0
Gross Amount Of Liabilties Offset In The Balance Sheet [Member] | Repurchase Agreements [Member]    
Gross amount offset 0  
Net Amount Of Liabilities Presented In The Balance Sheet [Member]    
Net amount of balance sheet liabilities 15,033 85,326
Net Amount Of Liabilities Presented In The Balance Sheet [Member] | Repurchase Agreements [Member]    
Net amount of balance sheet liabilities 15,033  
Gross Amount Of Financial Instruments Posted Not Offset in Balance Sheet [Member]    
Securities posted as collateral (15,033) (84,758)
Gross Amount Of Financial Instruments Posted Not Offset in Balance Sheet [Member] | Repurchase Agreements [Member]    
Securities posted as collateral (15,033)  
Gross Amounts Of Cash Posted Not Offset In Balance Sheet [Member]    
Cash posted as collateral 0 (568)
Gross Amounts Of Cash Posted Not Offset In Balance Sheet [Member] | Repurchase Agreements [Member]    
Cash posted as collateral 0  
Net Amount Of Liabilities [Member]    
Net amount 0 $ 0
Net Amount Of Liabilities [Member] | Repurchase Agreements [Member]    
Net amount $ 0