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Note 21 - Fair Value of Financial Instruments - Reconciliation of the Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Balance	$ 3,442	$ 3,751
Included in other comprehensive loss	0	0
Liabilities, balance	3,218	2,767
Contingent Consideration Liability [Member]
Change in fair value of contingent consideration included in net income (loss)	0	309
Share-based Compensation Liabilities [Member]
Included in other comprehensive loss	0	0
Equity Method Investments [Member] | Limited Liability Investments [Member]
Balance	3,196	4,022
Contributions	35	0
Distributions received	(110)	(47)
Balance	3,442	3,751
Exercise of options included in net income (loss)	110	47
Equity Method Investments [Member] | Limited Liability Investments [Member] | Realized Investment Gains (Losses) [Member]
Realized gains included in net income (loss)	110	33
Equity Method Investments [Member] | Limited Liability Investments [Member] | Gain (Loss) On Change In Fair Value Of Limited Liability Investments At Fair Value [Member]
Realized gains included in net income (loss)	211	(257)
Real Estate Investments [Member]
Balance	19,034	0
Realized gains included in net income (loss)	(1,366)	0
Balance	0	0
Derivative Financial Instruments, Assets [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Balance	3,218	2,458
Realized gains included in net income (loss)	0	309
Balance	3,218	2,767
Derivative Financial Instruments, Assets [Member] | Change in Fair Value of Derivative Assets [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Distributions received	17,668	0
Realized gains included in net income (loss)	(1,366)	0
Exercise of options included in net income (loss)	$ (17,668)	$ 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)
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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).

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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.

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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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