Fair Value Measurements - Schedule of Changes in Level 3 Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration assumed in asset acquisition	$ 3,660	$ 0	$ 0
Payment of contingent consideration	(1,583)	0	$ 0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance	0
Contingent consideration assumed in asset acquisition	3,660
Payment of contingent consideration	(1,583)
Change in fair value of contingent consideration	4
Ending Balance	$ 2,081	$ 0