Summary of Significant Accounting Policies - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Foreign currency	$ (8,444)	$ (7,686)
Pension loss, net of tax of $835 in 2016, and $906 in 2015	(8,319)	(6,954)
Accumulated other comprehensive loss	$ (16,763)	$ (14,640)