Segments and Geographic Area Analysis - Long-Lived Tangible Assets by Geographic Location (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting [Abstract]
Impairment of assets	$ 678,100	$ 499,400	$ 2,600	$ 358,500	$ 678,145	$ 860,441	$ 109,462