Note 7 - Investment and Equity Securities - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Due in one year or less, amortized costs	$ 203
Due in one year or less, fair value	203
Due after one year through five years, amortized costs	2,072
Due after one year through five years, fair value	2,130
Due after five years through ten years, amortized costs	40,597
Due after five years through ten years, fair value	41,179
Due after ten years, amortized costs	115,615
Due after ten years, fair value	119,545
Amortized costs	158,487	$ 108,937
Fair Value	$ 163,057	$ 114,360

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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