Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 95,860	$ 70,508
Other comprehensive income:
Change in unrealized (loss)/gain on marketable securities, net	(3,678)	6,767
Change in foreign currency translation adjustment, net	(8,388)	33,010
Other comprehensive (loss)/income	(12,066)	39,777
Comprehensive income	83,794	110,285
Comprehensive income attributable to noncontrolling interests	(8,682)	(4,011)
Comprehensive income attributable to the Company	$ 75,112	$ 106,274