XML 129 R59.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions - Additional Information (Details)
$ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended
May 10, 2018
USD ($)
Nov. 21, 2017
shares
Dec. 20, 2016
USD ($)
$ / bbl
Apr. 08, 2015
USD ($)
Mar. 31, 2015
USD ($)
Jun. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2015
USD ($)
Apr. 15, 2015
Business Acquisition [Line Items]                  
Common stock received for each share | shares   34.2              
Percentage of voting interest acquired 63.00% 63.00%              
Stone Energy Corporation                  
Business Acquisition [Line Items]                  
Percentage of voting interest acquired 37.00% 37.00%              
Total consideration and fair value $ 731,964                
Long-term debt, net of discount 235,416                
Payout under the earn-out $ 175,082                
Acquisition, transaction related cost           $ 76,200      
Acquisition, transaction related fees to note holders and for seismic use agreements           56,100      
Acquisition, transaction related fees paid to note holders           9,300      
Acquisition, transaction related fees for seismic use agreements           46,800      
Sojitz Energy Venture Inc                  
Business Acquisition [Line Items]                  
Percentage of voting interest acquired     15.00%            
Business acquisition purchase price in cash     $ 85,800            
Total consideration and fair value     93,800            
Business acquisition purchase price net     91,900            
Business acquisition transaction fees     $ 1,900            
Consideration earn out percentage     5.00%            
Oil price realized | $ / bbl     65.00            
Payout under the earn-out     $ 10,000            
Purchase price and working capital adjustments             $ 2,500    
Deep Gulf Energy III, LLC                  
Business Acquisition [Line Items]                  
Percentage of voting interest acquired       25.00%          
Business acquisition purchase price in cash       $ 38,500          
Total consideration and fair value       75,000          
Business acquisition purchase price net       73,500          
Business acquisition transaction fees       $ 1,500          
Deep Gulf Energy III, LLC | Tornado exploration prospect                  
Business Acquisition [Line Items]                  
Percentage of voting interest acquired       10.00%          
Gulf Coast Energy Resources, LLC                  
Business Acquisition [Line Items]                  
Business acquisition transaction fees         $ 800        
Payout under the earn-out         6,500        
Long-term debt, net of discount         55,000        
Payout under the earn-out         118        
Revenue attributable to the assets acquired               $ 12,600  
Net loss attributable to the assets acquired               9,700  
Depletion and accretion expense               $ 15,600  
Gulf Coast Energy Resources, LLC | Recognize estimated liability if the oil and natural gas assets acquired meet certain targets within the subsequent five years                  
Business Acquisition [Line Items]                  
Payout under the earn-out         $ 100        
Talos Energy                  
Business Acquisition [Line Items]                  
Percentage of voting interest acquired 63.00%                
General and Administrative Expense | Stone Energy Corporation                  
Business Acquisition [Line Items]                  
Acquisition, transaction related cost           $ 20,100      
Senior Notes                  
Business Acquisition [Line Items]                  
Debt instrument interest rate                 11.00%
Senior Notes | Second Priority Senior Secured Notes                  
Business Acquisition [Line Items]                  
Debt instrument interest rate           11.00%