Intangible Assets, Net - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 SGD	Jul. 31, 2010 USD ($)	Aug. 31, 2007 USD ($)
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Acquired gaming licenses and certificate for Slots and Table games operations at Sands Bethlehem					$ 16,500,000	$ 50,000,000
Acquired finite-lived gaming license, amount	30,700,000			37,500,000
Acquired finite-lived gaming license, amortized period	3 years
Amortization expense	10,000,000	10,000,000	6,300,000
Estimated future amortization expense, 2013	3,300,000
Estimated future amortization expense, thereafter	$ 38,000