Quarterly report pursuant to Section 13 or 15(d)

Acquisitions??and Divestiture (Unaudited Pro Forma Financial Information) (Details)

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Acquisitions and Divestiture (Unaudited Pro Forma Financial Information) (Details) - Carrizo Oil & Gas, Inc.
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
Business Acquisition [Line Items]  
Revenues $ 1,620,357
Income from operations 614,668
Income available to common stockholders $ 369,777
Net income per common share:  
Basic (in dollars per share) | $ / shares $ 0.89
Diluted (in dollars per share) | $ / shares $ 0.89