Goodwill and Intangible Assets, Net - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 7,942,023	$ 7,992,941	$ 3,955,901
Intangible assets with indefinite lives	1,457,072	1,459,854
Intangible assets with definite lives, net	989,580	1,334,100
Goodwill and intangible assets	$ 10,388,675	$ 10,786,895