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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 |  |  |  |  |

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