Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accrued Liabilities And Other Liabilities [Abstract]
Employee compensation and benefits	$ 21,453	$ 17,195
Other	2,964	2,916
Total accrued expenses	$ 24,417	$ 20,111