v3.26.1
Note 9 - Long-term Debt (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 01, 2026
Mar. 31, 2021
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jul. 01, 2026
Dec. 31, 2025
Interest Expense, Debt     $ 2,100,000 $ 1,200,000 $ 1,200,000 $ 3,300,000 $ 2,400,000    
Amortization of Debt Issuance Costs     0 $ 89,000 $ 96,000 $ 89,000 $ 191,000    
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]           Secured Overnight Financing Rate (SOFR) [Member]      
Four Percent Fixed To Floating Rate Subordinated Debentures Due April First Two Thousand Thirty One [Member]                  
Debt Instrument, Face Amount     120,000,000     $ 120,000,000      
Debt Instrument, Interest Rate, Stated Percentage 6.98% 4.00%              
Debt Instrument, Basis Spread on Variable Rate 3.29% 3.29%              
Tier 2 Capital     $ 96,000,000     $ 96,000,000     $ 120,000,000
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) [Member]              
Four Percent Fixed To Floating Rate Subordinated Debentures Due April First Two Thousand Thirty One [Member] | Subsequent Event [Member]                  
Debt Instrument, Face Amount               $ 80,000,000  
Debt Instrument, Interest Rate, Stated Percentage               7.02%  
Debt Instrument, Repurchase Amount               $ 40,700,000