Income Taxes - Summary of Deferred Tax Asset and Liabilities, as Reported in the Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Summary of Deferred Tax Assets and Liabilities, as Reported in the Balance Sheet [Abstract]
Net current deferred tax assets	$ 2,013	$ 3,108
Net non-current deferred tax liabilities	(19,000)	(19,345)
Total net deferred tax liabilities:	$ (16,987)	$ (16,237)