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Asset Impairments (Notes)
9 Months Ended
Sep. 30, 2015
Wexpro Impairment [Abstract]  
Asset Impairments
Asset Impairments

During the second quarter of 2014, Wexpro recorded a pre-tax abandonment and impairment charge of $2.0 million for its share of the remaining investment in the Brady field. Wexpro concluded that the field had reached the end of its productive life because it was no longer economical to produce natural gas and oil. In the second quarter of 2015, Wexpro sold its share of the Brady field and recognized a gain of $1.4 million.