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Financial Instruments - Derivative Gross Presentation on Consolidated Balance Sheets (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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Commodity Contract [Member]
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| Derivative [Line Items] | ||
| Derivative Assets | $ 607 | $ 1,942 |
| Derivative Liabilities | 474 | 1,747 |
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Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
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| Derivative [Line Items] | ||
| Derivative Assets | 17,512 | 0 |
| Derivative Liabilities | 0 | |
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Not Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
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| Derivative [Line Items] | ||
| Derivative Assets | 4,283 | 0 |
| Derivative Liabilities | 9,491 | 0 |
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Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
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| Derivative [Line Items] | ||
| Derivative Liabilities | $ 38,729 |
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- Definition
Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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