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Suspended Well Costs (Notes) | 3 Months Ended
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Mar. 31, 2015
Suspended Well Costs [Abstract] |
Suspended Well Costs Disclosure [Text Block] | Note 12 - Suspended Well Costs During the three-month period ended March 31, 2015, $15.1 million of capitalized exploratory well costs as of December 31, 2014, were charged to expense. These costs were related to a well, for which none of the costs were capitalized for a period greater than one year as of December 31, 2014, or at the time the well was determined to be unsuccessful.

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- Definition The entire disclosure for parts or all of the information related to suspended well costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=8451039&loc=SL6806780-109447 + Details
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