Description of Business Description of Business - Additional Information (Details)	3 Months Ended
Mar. 31, 2019 Casinos
Number Of Casinos Operated Or Managed	53
UNITED STATES
Number Of Casinos Operated Or Managed	49
Geographic Concentration Risk [Member] \| UNITED STATES
Number Of Casinos Operated Or Managed	14
Geographic Concentration Risk [Member] \| UNITED STATES \| NEVADA
Number Of Casinos Operated Or Managed	9
Geographic Concentration Risk [Member] \| UNITED STATES \| NEVADA \| Sales Revenue, Net [Member]
Concentration Risk, Percentage	45.00%
Geographic Concentration Risk [Member] \| International [Member]
Number Of Casinos Operated Or Managed	5

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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