Other Noncurrent Assets, Net - Summary of Other Noncurrent Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Pension asset	$ 1,434	$ 1,303
Restricted cash	1,279	1,273
Other	945	755
Total	$ 3,658	$ 3,331