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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Number of Reportable Segments | 3 |  |
Number of Gaming Entertainment Properties, Open and Operating | 27 |  |
Number of Gaming Entertainment Properties | 28 |  |
Interest Costs Capitalized |  | $ 0.1 | $ 0.1
Debt Instrument, Face Amount | $ 17.8 |  |
Debt Security Interest Rate Stated Percentage | 7.50% |  |
Debt Securities, Available-for-Sale, Total | $ 13.7 | 15.8 |
Debt Securities, Available-for-Sale, Current | 0.7 | 0.6 |
Debt Securities, Available-for-Sale, Noncurrent | 13.0 | 15.2 |
Taxes, Other | 718.8 | 676.8 | 388.0
Taxes Deposited Pursuant to the Online Collaborative Agreements | 195.6 | 140.5 | 61.8
Advertising Expense | $ 18.7 | $ 16.1 | 20.2
Nonrecurring Gain Related to Property Closures |  |  | $ 40.0
Customer Relationships [Member] | Minimum [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 7 years |  |
Customer Relationships [Member] | Maximum [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 12 years |  |
Host Relationships [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 15 years |  |
Development Agreement [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 7 years |  |
Developed Technology Rights [Member] |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 10 years |  |

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