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Subsequent Event (Details)	Jul. 16, 2018	Aug. 31, 2016
Old Bay Gaming and Racing LLC [Member]
Subsequent Event [Line Items]
Equity Method Investment, Ownership Percentage		50.00%
Old Bay Gaming and Racing LLC [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Saratoga Casino Holdings, LLC [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Equity Method Investment, Ownership Percentage	25.00%
Ocean Downs LLC and Racing Services LLC [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Equity Method Investment, Ownership Percentage Through Other Investments	12.50%

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- Definition

Equity Method Investment, Ownership Percentage Through Other Investments

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

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