Other (Loss) Income, net - Schedule of Other Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other Income and Expenses [Abstract]
Gain on sales/distributions of ownership interests	$ 0	$ (1)	$ 46	$ 1,389
Foreign currency (loss) gain	(67)	(101)	(269)	46
Total other (loss) income, net	$ (67)	$ (102)	$ (223)	$ 1,435