Derivative Financial Instruments (Details 2) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | |||
---|---|---|---|---|---|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Dec. 31, 2012
|
|
Inventories
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Fair values of derivative financial instruments | |||||
Asset Derivatives | $ 0 | $ 0 | $ 0 | ||
Liability Derivatives | 0 | 0 | 0 | ||
Amount of Gain (Loss) Recognized in Income on Hedged Items | 4,545 | 100,765 | (15,033) | 110,368 | |
Derivatives in Fair Value Hedging Relationships | Futures contracts
|
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Fair values of derivative financial instruments | |||||
Asset Derivatives | 0 | 0 | 0 | ||
Liability Derivatives | 0 | 0 | 0 | ||
Amount of Gain (Loss) Recognized in Income on Derivatives | $ (4,348) | $ (100,666) | $ 15,753 | $ (110,114) |