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Note 20 - Fair Value of Financial Instruments - Reconciliation of the Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Balance	$ 3,488	$ 3,442
Liabilities, balance	3,375	3,218
Contingent Consideration Liability [Member]
Balance	3,105	3,218
Included in net income	270	0
Balance	3,375	3,218
Included in other comprehensive loss	0	0
Included in net income	270	0
Equity Method Investments [Member] | Limited Liability Investments [Member]
Balance	3,496	3,196
Contributions	0	35
Distributions received	(115)	(110)
Included in net income	(8)	211
Balance	3,488	3,442
Included in other comprehensive loss	0	0
Equity Method Investments [Member] | Limited Liability Investments [Member] | Realized Investment Gains (Losses) [Member]
Included in net income	115	110
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	(8)	211
Derivative Financial Instruments, Assets [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Balance	0	19,034
Included in net income	0	0
Balance	0	0
Included in other comprehensive loss	0	0
Derivative Financial Instruments, Assets [Member] | Exercise of Options [Member] | Trust Preferred Debt Repurchase Options Contracts [Member]
Included in net income	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	$ (1,366)

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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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