Summary of Significant Accounting Policies -Revenue Recognition, Player Loyalty Programs, and Gaming and Racing Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Revenue Recognition and Promotional Allowances
Promotional allowances	$ 41,858	$ 40,571
Cost of complimentary services	13,753	13,465
Gaming and Racing Taxes
Gaming expense	244,400	243,200
Rooms
Revenue Recognition and Promotional Allowances
Promotional allowances	9,196	9,122
Cost of complimentary services	1,268	1,197
Food And Beverage
Revenue Recognition and Promotional Allowances
Promotional allowances	30,566	29,521
Cost of complimentary services	11,631	11,523
Other
Revenue Recognition and Promotional Allowances
Promotional allowances	2,096	1,928
Cost of complimentary services	$ 854	$ 745

Represents the estimated cost of providing complimentary services during the period.

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- References

No definition available.

+ Details

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- Definition

This element represents gaming taxes, pari-mutuel taxes and purse expense.

+ References

No definition available.

+ Details

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- Definition

This element represents the estimated retail value of accommodations, food and beverage, and other services furnished to guests without charge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 605
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=68080496&loc=d3e51325-107943

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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