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Note 6 - Investments and Equity Securities - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Due in one year or less, amortized costs $ 521  
Due in one year or less, fair value 522  
Due after one year through five years, amortized costs 5,942  
Due after one year through five years, fair value 5,786  
Due after five years through ten years, amortized costs 57,041  
Due after five years through ten years, fair value 54,581  
Due after ten years, amortized costs 127,248  
Due after ten years, fair value 109,006  
Amortized costs 190,752 [1] $ 191,146 [2]
Fair Value $ 169,895 $ 170,779
[1] Amortized cost excludes accrued interest receivable of $1.7 million for the period ending June 30, 2024.
[2] Amortized cost excludes accrued interest receivable of $1.7 million for the period ending December 31, 2023.