Note 12 - Schedule of Derivative Designated as Fair Value Hedging Instruments of Statements on Income (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Derivative [Line Items]
Total	$ 19,569	$ 15,463
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Total	1,227
Designated as Hedging Instrument [Member] \| State and Municipal Securities [Member]
Derivative [Line Items]
Recognized on fair value hedge	1,010
Recognized on hedge portfolio	(668)
Recognized on remeasurement of fair value hedge	(18)
Designated as Hedging Instrument [Member] \| U.S. Government agencies and GSE mortgage backed securities
Derivative [Line Items]
Recognized on fair value hedge	2,996
Recognized on hedge portfolio	(2,037)
Recognized on remeasurement of fair value hedge	$ (56)

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 830
-Name Accounting Standards Codification
-Section 45
-Paragraph 39
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480228/946-830-45-39

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.1-5)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

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