Note 24 - Fair Value of Financial Instruments - Reconciliation of Assets Measured on Recurring Basis (Details) $ in Thousands	12 Months Ended
Dec. 31, 2023 USD ($)
US States and Political Subdivisions Debt Securities [Member]
Balance at December 31, 2022	$ 34,768
Realized Gains (Losses) Included in Net Income	0
Unrealized Losses Included in Other Comprehensive Loss	(2,228)
Purchases	0
Sales	0
Maturities, Prepayments, and Calls	(1,798)
Transfers Into Level 3	0
Transfers Out of Level 3	(9,895)
Balance at December 31, 2023	20,847
Corporate Bond Securities [Member]
Balance at December 31, 2022	19,000
Realized Gains (Losses) Included in Net Income	0
Unrealized Losses Included in Other Comprehensive Loss	(1,532)
Purchases	0
Sales	0
Maturities, Prepayments, and Calls	0
Transfers Into Level 3	0
Transfers Out of Level 3	(9,500)
Balance at December 31, 2023	$ 7,968

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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