Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net income	$ 78,215	$ 142,154
Other comprehensive income:
Change in unrealized gain on marketable securities	28	2
Change in unrealized loss on interest rate swaps	188	(604)
Change in foreign currency translation adjustment	503	2,510
Other comprehensive income:	719	1,908
Comprehensive income	78,934	144,062
Comprehensive income attributable to noncontrolling interests	(1,482)	(1,441)
Comprehensive income attributable to the Company	$ 77,452	$ 142,621