Suspended Well Costs (Notes)

3 Months Ended

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.