v3.25.2
Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Investment, Proportional Amortization Method, Elected, Amount $ 6,345,000   $ 6,345,000   $ 6,759,000
Number of Operating Segments     1    
Number of Reportable Segments     1    
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] Other Assets   Other Assets   Other Assets
Commodity Sales [Member]          
Revenue from Contract with Customer, Including Assessed Tax $ 2,798,000 $ 1,118,000 $ 5,112,000 $ 3,918,000  
Accrued Expenses and Other Liabilities [Member]          
Investment Program, Proportional Amortization Method, Elected, Commitment 184,000   184,000   $ 215,000
Accrued Expenses and Other Liabilities [Member] | Commodity Sales [Member]          
Contract with Customer, Liability $ 13,133,000   $ 13,133,000   $ 17,792,000
Opportunity Bank of Montana [Member]          
Subsidiary, Ownership Percentage, Parent 100.00%   100.00%    
Eagle Bancorp Statutory Trust I [Member]          
Subsidiary, Ownership Percentage, Parent 100.00%   100.00%