Note 21 - Fair Value of Financial Instruments - Reconciliation of the Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Balance	$ 2,691	$ 3,599	$ 2,691	$ 3,599
Liabilities, balance	3,375	3,283	3,375	3,283
Contingent Consideration Liability [Member]
Included in net income	0	0	270	65
Liabilities, balance	3,375	3,283	3,105	3,218
Included in net income, liability	0	0	270	65
Liabilities, balance	3,375	3,283	3,375	3,283
Included in net (loss) income, liability	0	0	270	65
Included in other comprehensive income (loss), liability	0	0	0	0
Equity Method Investments [Member] \| Limited Liability Investments [Member]
Balance	2,908	3,688	3,496	3,196
Contributions	0	0	0	35
Distributions received	(1,186)	(600)	(2,238)	(802)
Included in net income	95	320	173	763
Balance	2,691	3,599	2,691	3,599
Included in other comprehensive income (loss)	0	0	0	0
Included in net (loss) income, liability	95	320	173	763
Equity Method Investments [Member] \| Limited Liability Investments [Member] \| Realized Investment Gains (Losses) [Member]
Included in net income	874	191	1,260	407
Included in net (loss) income, liability	874	191	1,260	407
Equity Method Investments [Member] \| Limited Liability Investments [Member] \| Gain (Loss) On Change In Fair Value Of Limited Liability Investments At Fair Value [Member]
Included in net income	95	320	173	763
Included in net (loss) income, liability	95	320	173	763
Derivative Financial Instruments, Assets [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Balance	0	0	0	19,034
Included in net income	0	0	0	(1,366)
Balance	0	0	0	0
Included in other comprehensive income (loss)	0	0	0	0
Included in net (loss) income, liability	0	0	0	(1,366)
Derivative Financial Instruments, Assets [Member] \| Exercise of Options [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Included in net income	0	0	0	(17,668)
Included in net (loss) income, liability	0	0	0	(17,668)
Derivative Financial Instruments, Assets [Member] \| Change in Fair Value of Derivative Assets [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Included in net income	0	0	0	(1,366)
Included in net (loss) income, liability	$ 0	$ 0	$ 0	$ (1,366)

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

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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).

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Amount of issuances 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 settlement 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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