Transactions With Related Parties (Narrative) (Details) - Marnell Gaming, LLC [Member] - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Assets due from related party	$ 0.0	$ 0.0
Liabilities due to related party	$ 0.0	$ 0.0	$ 0.4
Smooth Borbon Investment [Member]
Ownership interest	50.00%	50.00%
United States Segment [Member]
Consulting fees incurred	$ 0.2	$ 0.4
Additional expenses	$ 0.1	$ 0.1

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