Prepaid Expenses and Other Assets - Summary of Prepaid Expenses and Other Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Prepaid Expense and Other Assets [Abstract]
Prepaid expenses	$ 6,209	$ 1,897
Income tax receivable	4,024	5,134
Assets held for sale		6,154
Other	167	224
Total prepaid expenses and other assets	$ 10,400	$ 13,409