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Earnings Per Share And Stockholders' Equity - Narrative (Details) - $ / shares
1 Months Ended
Apr. 15, 2020
Aug. 08, 2019
Mar. 31, 2020
Class of Stock [Line Items]      
Volume weighted average price     90.00%
Volume weighted average price calculation period     10 days
Common Stock | Subsequent Event      
Class of Stock [Line Items]      
Common stock issued to holders of Preferred Stock (in shares) 17,000,000    
Anadarko | Series A Preferred Stock      
Class of Stock [Line Items]      
Issued as part of the Merger (in shares)   100,000  
Face value (in usd per share)   $ 100,000  
Preferred stock accrual rate per annum   8.00%  
Preferred stock accrual rate per annum on unpaid amounts   9.00%