Fair Value (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following are measured in the consolidated financial statements at fair value on a recurring basis and are categorized in the table below based upon the lowest level of significant input to the valuation (in thousands):

	Fair Value Measurements
	Assets (Liabilities)
				Quoted		Significant
				Prices in		Other			Significant
				Active		Observable			Unobservable
	June 30,			Markets		Inputs			Inputs
	2018			(Level 1)		(Level 2)			(Level 3)
Description
Aluminum forward contracts, net	$	(516	)	$	—	$	(516	)	$	—
	$	(516	)	$	—	$	(516	)	$	—