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Financial Instruments - Additional Information (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
counterparty
Dec. 31, 2019
May 10, 2018
USD ($)
Investment Grade Credit Rating      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Number of counterparties | counterparty 10    
11.00% Second-Priority Senior Secured Notes – due April 2022      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Debt instrument interest rate 11.00% 11.00%  
Senior notes, maturity date Apr. 03, 2022 Apr. 03, 2022  
7.50% Senior Notes – due May 2022      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Debt instrument interest rate 7.50% 7.50%  
Senior notes, maturity date May 31, 2022 May 31, 2022  
Senior notes, principal amount     $ 6,100,000
New Bank Credit Facility      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Senior notes, maturity date May 10, 2022    
Credit facility, maximum borrowing capacity $ 1,150,000,000    
Stone Energy Corporation | 11.00% Second-Priority Senior Secured Notes – due April 2022      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Debt instrument interest rate 11.00%    
Senior notes, maturity date Apr. 03, 2022    
Senior notes, principal amount $ 390,900,000    
Stone Energy Corporation | 7.50% Senior Notes – due May 2022      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Debt instrument interest rate 7.50%    
Senior notes, maturity date May 31, 2022    
Senior notes, principal amount $ 6,100,000