Derivative Instruments - Balance Sheet Location (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Not Designated as Hedging Instrument
Derivatives, Fair Value
Derivative asset fair value	$ 767	$ 6
Derivative liability fair value	1,077	1,063
Commodity derivative contracts | Not Designated as Hedging Instrument | Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value		0
Commodity derivative contracts | Not Designated as Hedging Instrument | Other accrued liabilities
Derivatives, Fair Value
Derivative liability fair value		952
Foreign currency derivatives | Not Designated as Hedging Instrument | Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value	43	6
Foreign currency derivatives | Not Designated as Hedging Instrument | Other accrued liabilities
Derivatives, Fair Value
Derivative liability fair value	1,077	111
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument
Derivatives, Fair Value
Derivative asset fair value	14,832	581
Derivative liability fair value	848	13,769
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value	12,322	518
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Other accrued liabilities
Derivatives, Fair Value
Derivative liability fair value	0	888
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Other long-term assets
Derivatives, Fair Value
Derivative asset fair value	0	63
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Other long-term obligations
Derivatives, Fair Value
Derivative liability fair value	0	1,898
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Prepaid and other current assets
Derivatives, Fair Value
Derivative asset fair value	0	0
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Other accrued liabilities
Derivatives, Fair Value
Derivative liability fair value	848	4,080
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Other long-term assets
Derivatives, Fair Value
Derivative asset fair value	2,510	0
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Other long-term obligations
Derivatives, Fair Value
Derivative liability fair value	$ 0	$ 6,903