Intangible Assets, net - Schedule of Intangible Assets, Net (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Intangible Assets
Finite-lived intangible assets, net	$ 104,568us-gaap_FiniteLivedIntangibleAssetsNet	$ 22,968us-gaap_FiniteLivedIntangibleAssetsNet
Indefinite-lived intangible assets	7,799	7,799
Total intangible assets, net	112,367	30,767
Macau Gaming Concession
Intangible Assets
Finite-lived intangible assets, gross	42,300	42,300
Less: accumulated amortization	(24,432)	(22,048)
Finite-lived intangible assets, net	17,868	20,252
Show Production Rights
Intangible Assets
Finite-lived intangible assets, gross	0	863
Less: accumulated amortization	0	(863)
Finite-lived intangible assets, net	0	0
Massachusetts Gaming License
Intangible Assets
Finite-lived intangible assets, gross	86,700	0
Less: accumulated amortization	0	0
Finite-lived intangible assets, net	86,700	0
Other
Intangible Assets
Finite-lived intangible assets, gross	2,716	2,716
Finite-Lived Intangible Assets, Write-Off	(2,716)	0
Finite-lived intangible assets, net	0	2,716
Trademarks
Intangible Assets
Indefinite-lived intangible assets	1,399	1,399
Water Rights
Intangible Assets
Indefinite-lived intangible assets	$ 6,400	$ 6,400

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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