Derivative Instruments and Hedging Activities - Effect of derivative instruments on the Consolidated Statement of Operations (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) or Loss Recognized in Income on Derivatives	$ 5,137	$ (14,024)	$ 1,304
Commodity contracts | Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) or Loss Recognized in Income on Derivatives	$ 5,137	$ (14,024)	$ 1,304