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Divestiture	6 Months Ended
Divestiture	Jun. 30, 2020
Business Combinations [Abstract]
Divestiture	Note 2. Divestiture On March 4, 2020, we closed a farm-down transaction for the sale of half of our working interest positions in four southeast Texas oil fields for $40 million net cash and a carried interest in ten wells to be drilled by the purchaser. We did not record a gain or loss on the sale of the properties in accordance with the full cost method of accounting.