Other Assets and Other Liabilities - Schedule of Other Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Current tax receivables and other taxes	$ 31,767	$ 30,679
Prepaid compensation (see Note 14)	49,650	75,703	$ 73,278
Other advances and prepayments	35,706	53,354
Other	67,376	57,286
Total	$ 184,499	$ 217,022