Intangible Assets, net - Additional Information (Detail) (Macau Gaming Concession, USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Macau Gaming Concession
Schedule Of Finite And Indefinite Lived Intangible Assets
Intangible assets, useful life, years	20 years
Future amortization expense, 2015	$ 2.4
Future amortization expense, 2016	2.4
Future amortization expense, 2017	2.4
Future amortization expense, 2018	2.4
Future amortization expense, 2019	2.4
Future amortization expense, 2020	2.4
Future amortization expense, 2021	2.4
Future amortization expense, 2022	$ 1.2

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Finite Lived Intangible Assets Amortization Expense Year Eight

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Finite Lived Intangible Assets Amortization Expense Year Seven

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Finite-Lived Intangible Assets, Amortization Expense, Year Six

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