Note 3 - Securities - Expected Maturities of Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Available-for-sale securities, amortized cost, one year or less	$ 11,376
Available-for-sale securities, fair value, one year or less	11,563
Available-for-sale securities, amortized cost, one year through five years	119,161
Available-for-sale securities, fair value, one year through five years	124,023
Available-for-sale securities, amortized cost, five years through ten years	52,434
Available-for-sale securities, fair value, five years through ten years	54,170
Available-for-sale securities, amortized cost, after ten years	87,082
Available-for-sale securities, fair value, after ten years	90,444
Available-for-sale securities, amortized cost, total	270,053	$ 283,257
Available-for-sale securities, fair value, total	$ 280,200

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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