Segment Information and Revenue Reporting - Additional Information (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018 USD ($) Customer	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Entity Wide Revenue Major Customer [Line Items]
Number of customer accounted for 10.3% or $29.3 million of revenue | Customer	1
Percentage of net sales	100.00%	100.00%
Concentration risk, revenue amount | $	$ 274,512	$ 236,303	$ 1,100,000
Number of customer did not account for 10% or greater of revenue or outstanding accounts receivable | Customer	1
Geographic Concentration Risk
Entity Wide Revenue Major Customer [Line Items]
Percentage of net sales	10.30%
Concentration risk, revenue amount | $	$ 28,400