Other (Loss) Income, net - Schedule of Other Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Income and Expenses [Abstract]
Gain on sales/distributions of ownership interests	$ 46	$ 1,390
Foreign currency gain (loss)	(202)	147
Total other (loss) income, net	$ (156)	$ 1,537