v3.8.0.1

DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Table 1 - Fair Values of Derivative Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value
Asset Derivatives	$ 742	$ 10,851
Liability Derivatives	(11,608)	(17,066)
Designated as Hedging Instrument
Derivatives, Fair Value
Asset Derivatives	0	1,458
Liability Derivatives	(10,100)	(6,198)
Designated as Hedging Instrument | Commodity contracts | Accrued liabilities
Derivatives, Fair Value
Asset Derivatives	0	144
Liability Derivatives	(112)	(3,566)
Designated as Hedging Instrument | Interest rate swaps | Other long-term assets, net
Derivatives, Fair Value
Asset Derivatives	0	1,314
Liability Derivatives	0	0
Designated as Hedging Instrument | Interest rate swaps | Accrued liabilities
Derivatives, Fair Value
Asset Derivatives	0	0
Liability Derivatives	(5,394)	0
Designated as Hedging Instrument | Interest rate swaps | Other long-term liabilities
Derivatives, Fair Value
Asset Derivatives	0	0
Liability Derivatives	(4,594)	(2,632)
Not Designated as Hedging Instrument
Derivatives, Fair Value
Asset Derivatives	742	9,393
Liability Derivatives	(1,508)	(10,868)
Not Designated as Hedging Instrument | Commodity contracts | Other current assets
Derivatives, Fair Value
Asset Derivatives	0	265
Liability Derivatives	0	(110)
Not Designated as Hedging Instrument | Commodity contracts | Accrued liabilities
Derivatives, Fair Value
Asset Derivatives	742	9,128
Liability Derivatives	$ (1,508)	$ (10,758)

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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
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-Section 50
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