Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Narrative) (Details)

v3.21.2
Commitments and Contingencies (Narrative) (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
Dec. 31, 2021
item
Aug. 31, 2020
USD ($)
km²
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
Commitments And Contingencies [Line Items]            
Abandonment funding     $ 11,420,000 $ 22,837,000 $ 22,837,000 $ 12,453,000
Foreign currency gain on abandonment funding       0 600,000  
Etame Marine Block [Member]            
Commitments And Contingencies [Line Items]            
Estimated abandonment costs       36,400,000 36,400,000  
Abandonment funding       22,800,000 $ 22,800,000  
Payment of joint venture audit settlement     $ 800,000      
Area of three-dimensional seismic data | km²   1,000        
Etame Marine Block [Member] | Minimum [Member]            
Commitments And Contingencies [Line Items]            
Expected cost of data acquisition   $ 2,200,000        
Etame Marine Block [Member] | Maximum [Member]            
Commitments And Contingencies [Line Items]            
Expected cost of data acquisition   $ 3,400,000        
FPSO Charter [Member]            
Commitments And Contingencies [Line Items]            
Number of extensions | item         2  
Period of charter         1 year  
Guarantee liability       200,000 $ 200,000 $ 400,000
Percentage of share in charter payment         58.80%  
Share in charter payment, approximate annual amount         $ 19,400,000  
Full Charter Payment [Member]            
Commitments And Contingencies [Line Items]            
Contractual obligation       40,400,000 40,400,000  
Consortium [Member] | Etame Marine Block [Member]            
Commitments And Contingencies [Line Items]            
Estimated abandonment costs       61,800,000 61,800,000  
Abandonment funding       38,800,000 38,800,000  
Consortium [Member] | FPSO Charter [Member]            
Commitments And Contingencies [Line Items]            
Maximum exposure       $ 40,400,000 $ 40,400,000  
Scenario, Forecast [Member] | Borr Drilling [Member]            
Commitments And Contingencies [Line Items]            
Number Of Drilled Wells Required By Agreement | item 3