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Note 2 - Summary of Significant Accounting Policies - Intangible Assets (Details)
Dec. 31, 2023
Minimum [Member]  
Finite-lived intangible assets, useful life (Year) 5 years
Maximum [Member]  
Finite-lived intangible assets, useful life (Year) 50 years
Customer Relationships [Member] | Minimum [Member]  
Finite-lived intangible assets, useful life (Year) 10 years
Customer Relationships [Member] | Maximum [Member]  
Finite-lived intangible assets, useful life (Year) 15 years
Permits, Licenses and Lease Acquisition Costs [Member] | Minimum [Member]  
Finite-lived intangible assets, useful life (Year) 10 years
Permits, Licenses and Lease Acquisition Costs [Member] | Maximum [Member]  
Finite-lived intangible assets, useful life (Year) 50 years
Noncompetition and Nonsolicitation Agreements [Member]  
Finite-lived intangible assets, useful life (Year) 5 years
Technology, Trade Names and Trademarks [Member] | Minimum [Member]  
Finite-lived intangible assets, useful life (Year) 10 years
Technology, Trade Names and Trademarks [Member] | Maximum [Member]  
Finite-lived intangible assets, useful life (Year) 20 years
Site Location [Member]  
Finite-lived intangible assets, useful life (Year) 15 years
Capitalized Contract Costs [Member]  
Finite-lived intangible assets, useful life (Year) 10 years