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Derivative Financial Instruments (Derivatives And Hedging-Cash Flow Hedges) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||||||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||||||||
| Net gain (loss) on cash flow hedges | $ (1,830) | [1] | $ (36) | [1] | $ (5,443) | [1] | $ (4,596) | [1] | ||
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Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||||||||
| Net gain (loss) on cash flow hedges | (4,596) | |||||||||
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | (4,285) | |||||||||
| Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | 0 | |||||||||
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Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||||||||
| Net gain (loss) on cash flow hedges | (1,830) | (36) | (5,443) | (36) | ||||||
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Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member] | Interest Expense [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||||||||
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | (119) | 41 | (123) | 123 | ||||||
| Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | 0 | 0 | 183 | 0 | ||||||
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Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | NYMEX Commodity Contracts [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||||||||
| Net gain (loss) on cash flow hedges | (4,560) | |||||||||
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Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | NYMEX Commodity Contracts [Member] | Sales [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||||||||
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | (4,408) | |||||||||
| Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | $ 0 | |||||||||
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