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Note 9 - Other Borrowings (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Line of Credit Facility, Remaining Borrowing Capacity $ 562,500 $ 368,200
Percentage of Assets, Maximum Borrowing Capacity from FHLB 16.00%  
Financing Receivable, before Allowance for Credit Loss $ 1,466,595 969,430
Federal Home Loan Bank Stock 1,467 965
Other Borrowings 0 50,000
Letter of Credit [Member] | Asset Pledged as Collateral [Member]    
Financing Receivable, before Allowance for Credit Loss 698,500 397,400
Federal Home Loan Bank Stock 1,500 965
Federal Home Loan Bank of Atlanta [Member]    
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available 409,300  
Unsecured Line of Credit [Member]    
Line of Credit Facility, Remaining Borrowing Capacity 63,000  
Secured Line of Credit Through Federal Reserve Bank [Member]    
Line of Credit Facility, Remaining Borrowing Capacity 90,300  
Bank Term Funding Program [Member] | Federal Reserve Bank Advances [Member]    
Short-Term Debt 0 50,000
Repayments of Short-Term Debt 50,000  
Other Borrowings   $ 50,000
Debt Instrument, Interest Rate, Stated Percentage   4.85%
Line of Credit [Member] | Unsecured Line of Credit [Member]    
Line of Credit Facility, Maximum Borrowing Capacity 5,000  
Long-term Line of Credit, Total $ 0  
Debt Instrument, Basis Spread on Variable Rate 0.25%  
Debt Instrument, Interest Rate Floor 3.50%