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Derivative Financial Instruments -Changes in Fair Value of Commodity Derivative Contracts Recognized in Earnings (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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| Gain Loss On Derivative Instruments Net Pretax [Abstract] | ||||
| Derivative (gain) loss | $ (13,781) | $ 15,659 | $ 6,790 | $ 6,186 |
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- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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