$ 117,260

$ 76,508

(82,567)

(21,676)

34,693

54,832

Liability Derivatives [Abstracts]

101,419

32,023

(82,567)

(21,676)

Commodity-Related Derivatives [Member]

18,852

10,347

Asset Derivatives [Abstracts]

117,260

76,508

(82,567)

(21,676)

34,693

54,832

Liability Derivatives [Abstracts]

101,419

32,023

(82,567)

(21,676)

$ 18,852

$ 10,347

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