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Note 21 - Fair Value of Financial Instruments - Reconciliation of the Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Balance	$ 3,599	$ 19,017	$ 3,599	$ 19,017
Liabilities, balance	3,283	3,977	3,283	3,977
Contingent Consideration Liability [Member]
Balance	3,283	3,959	3,218	2,458
Included in net (loss) income	0	18	65	1,519
Balance	3,283	3,977	3,283	3,977
Included in other comprehensive (loss) income	0	0	0	0
Included in net (loss) income	0	18	65	1,519
Equity Method Investments [Member] | Limited Liability Investments [Member]
Balance	3,688	3,413	3,196	4,022
Contributions	0	0	35	0
Distributions received	(600)	(250)	(802)	(461)
Balance	3,599	3,215	3,599	3,215
Exercise of options included in net (loss) income	600	250	802	461
Equity Method Investments [Member] | Limited Liability Investments [Member] | Realized Investment Gains (Losses) [Member]
Included in net (loss) income	191	250	407	447
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 (loss) income	320	(198)	763	(793)
Included in other comprehensive (loss) income	0	0	0	0
Derivative Financial Instruments, Assets [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Balance	0	0	19,034	0
Distributions received	0	0	17,668	0
Balance	0	15,802	0	15,802
Purchase of options	0	2,304	0	2,304
Exercise of options included in net (loss) income	0	0	(17,668)	0
Derivative Financial Instruments, Assets [Member] | Initial Valuation of Options [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Included in net (loss) income	0	11,412	0	11,412
Derivative Financial Instruments, Assets [Member] | Change in Fair Value of Derivative Assets [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Included in net (loss) income	0	2,086	(1,366)	2,086
Derivative Financial Instruments, Assets [Member] | Gain (Loss) on Derivative Instruments [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Included in net (loss) income	0	13,498	(1,366)	13,498
Included in other comprehensive (loss) income	$ 0	$ 0	$ 0	$ 0

X

- Definition

Amount of gain (loss) recognized in income 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
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

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

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- Definition

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.

+ References

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- Definition

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.

+ References

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+ References

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

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