Segment Reporting - Information about Segment Assets and Property, Plant and Equipment by Country (Detail) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Total Assets		$ 3,387,076	$ 3,416,879	$ 2,803,694
Net Property, Plant and Equipment	[1]	1,610,859	1,657,348	1,478,677
United States [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	561,990	60,789	54,647
Indonesia [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	521,922	189,064	154,630
United Arab Emirates [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	341,502	306,320	145,635
Mexico [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	96,090	245,226	96,830
Malaysia [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	49,609		240,042
Brazil [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	31,765	458,199	192,101
Saudi Arabia [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	4,522	20,561	191,400
Singapore [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	638	219,570	306,948
Spain [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]		154,078	94,917
Other countries [Member]
Segment Reporting Information [Line Items]
Net Property, Plant and Equipment	[1]	2,821	3,541	1,527
Operating Segments [Member] | AEA [Member]
Segment Reporting Information [Line Items]
Assets, continuing operations		896,822	976,179	531,649
Operating Segments [Member] | MEA [Member]
Segment Reporting Information [Line Items]
Assets, continuing operations		971,170	990,671	1,116,916
Operating Segments [Member] | ASA [Member]
Segment Reporting Information [Line Items]
Assets, continuing operations		774,365	601,394	1,030,823
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets, continuing operations		$ 744,719	$ 848,635	$ 124,306

[1] Our marine vessels are included in the country in which they were located as of year-end.