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Note 3 - Securities - Amortized Cost and Fair Value of Securities By Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Due in one year or less, amortized cost	$ 86,502
Due in one year or less, fair value	84,770
Due after one year through five years, amortized cost	84,946
Due after one year through five years	80,187
Amortized cost, single maturity date, amortized cost	171,448
Fair value, single maturity date	164,957
Amortized cost	176,293	$ 218,599
Fair value	169,647	210,338
Residential Mortgage-Backed Securities [Member]
Amortized cost, without single maturity date, amortized cost	3,730
Fair value, without single maturity date	3,597
Amortized cost	3,730	3,997
Fair value	3,597	3,881
Collateralized Mortgage-Backed Securities [Member]
Amortized cost, without single maturity date, amortized cost	1,115
Fair value, without single maturity date	1,093
Amortized cost	1,115	1,223
Fair value	$ 1,093	$ 1,197

X

- Definition

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

+ References

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-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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