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Note 6 - Investment and Equity Securities - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Due in one year or less, amortized costs $ 70  
Due in one year or less, fair value 70  
Due after one year through five years, amortized costs 8,051  
Due after one year through five years, fair value 7,887  
Due after five years through ten years, amortized costs 47,775  
Due after five years through ten years, fair value 46,255  
Due after ten years, amortized costs 123,851  
Due after ten years, fair value 101,643  
Total, amortized costs [1] 179,747 $ 191,211
Total, fair value $ 155,855 $ 165,802
[1] Accrued interest of $1.5 million is excluded from amortized cost and presented in "accrued interest receivable and other assets" on the Consolidated Balance Sheet.