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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Millions | 12 Months Ended | 24 Months Ended |
--- | --- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Senior Notes | $ 60 | $ 60 | $ 90
Finite-Lived Intangible Asset, Useful Life (Year) | 19 years 1 month 6 days | 19 years 1 month 6 days |
Number of Reporting Units | 7 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) | 5 years |  |
Trademarks and Trade Names [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 15 years | 15 years |
Senior Secured Notes [Member] |  |  |
Senior Notes | $ 60 | $ 60 |
Senior Unsecured Notes [Member] |  |  |
Senior Notes | $ 60 | $ 60 |
Minimum [Member] |  |  |
Finite Lived Intangible Asset Useful Life Franchise Rights |  | 2.50% |
Minimum [Member] | Customer Lists and Relationships [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 4 years | 4 years |
Minimum [Member] | Trademarks and Trade Names [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 1 year | 1 year |
Minimum [Member] | Management Contracts and Other [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 2 years | 2 years |
Minimum [Member] | Order or Production Backlog [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 6 months | 6 months |
Maximum [Member] |  |  |
Finite Lived Intangible Asset Useful Life Franchise Rights |  | 15.00% |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) | 15 years |  |
Maximum [Member] | Customer Lists and Relationships [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 20 years | 20 years |
Maximum [Member] | Trademarks and Trade Names [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 35 years | 35 years |
Maximum [Member] | Management Contracts and Other [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 20 years | 20 years |
Maximum [Member] | Order or Production Backlog [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 12 months | 12 months |
Building [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 20 years | 20 years |
Building [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 40 years | 40 years |
Vehicles [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years | 3 years |
Vehicles [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 5 years | 5 years |
Furniture and Fixtures [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years | 3 years |
Furniture and Fixtures [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 10 years | 10 years |
Computer Equipment [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years | 3 years |
Computer Equipment [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 5 years | 5 years |
Leasehold Improvements [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment, Useful Life (Year) | 10 years | 10 years |

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