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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2023 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Number of Gaming Entertainment Properties		28
Number of Reportable Segments		4
Interest Costs Capitalized		$ 3.1	$ 3.2	$ 0.1
Debt Instrument, Face Amount		$ 16.4
Debt Security Interest Rate Stated Percentage		7.50%
Debt Securities, Available-for-Sale		$ 12.6	13.3
Debt Securities, Available-for-Sale, Current		0.8	0.7
Debt Securities, Available-for-Sale, Noncurrent		11.8	12.6
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 35.9	3.1
Taxes, Other		515.3	512.0	523.2
Taxes Deposited Pursuant to the Online Collaborative Agreements		14.4	6.2	0.4
Advertising Expense		26.9	22.4	18.7
Online [Member]
Taxes Deposited Pursuant to the Online Collaborative Agreements		$ 450.5	$ 328.0	$ 207.9
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
Marketing Agreement [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		20 years

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