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Note 7 - Investment and Equity Securities - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Due in one year or less, amortized costs	$ 556
Due in one year or less, fair value	568
Due after one year through five years, amortized costs	2,265
Due after one year through five years, fair value	2,287
Due after five years through ten years, amortized costs	40,073
Due after five years through ten years, fair value	39,800
Due after ten years, amortized costs	140,771
Due after ten years, fair value	132,561
Amortized costs	183,665	$ 165,817
Fair Value	$ 175,216	$ 170,199

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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