Income Taxes - Geographic Source of Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S.	$ (101,746)	$ (31,124)	$ (151,904)
Other than U.S.	144,870	(14,197)	(288,955)
Income (loss) before provision for income taxes and noncontrolling interests	$ 43,124	$ (45,321)	$ (440,859)