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Note 3 - Securities - Amortized Cost and Fair Value of Securities By Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Due in one year or less, amortized cost	$ 63,028
Due in one year or less, fair value	61,858
Due after one year through five years, amortized cost	108,326
Due after one year through five years	103,450
Amortized cost, single maturity date, amortized cost	171,354
Fair value, single maturity date	165,308
Amortized cost	176,405	$ 218,599
Fair value	170,239	210,338
Residential Mortgage-Backed Securities [Member]
Amortized cost, without single maturity date, amortized cost	3,880
Fair value, without single maturity date	3,781
Amortized cost	3,880	3,997
Fair value	3,781	3,881
Collateralized Mortgage-Backed Securities [Member]
Amortized cost, without single maturity date, amortized cost	1,171
Fair value, without single maturity date	1,150
Amortized cost	1,171	1,223
Fair value	$ 1,150	$ 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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