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Divestiture	3 Months Ended
Divestiture	Mar. 31, 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. The sale had an effective date of January 1, 2019. We did not record a gain or loss on the sale of the properties in accordance with the full cost method of accounting.