Other Noncurrent Liabilities - Summary of Other Noncurrent Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Other Liabilities Disclosure [Abstract]
Reserve for uncertain tax positions	$ 12,186	$ 12,186
Insurance claims and expenses	625	589
Other	704	767
Total	$ 13,515	$ 13,542