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Acquisitions - Preliminary Purchase Price Allocation (Details) - USD ($) $ in Thousands | 1 Months Ended | 7 Months Ended | 13 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2019
PAI (Final) |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash consideration paid |  | $ 780,700 |  | $ 780,678
Fair value of net assets contributed |  |  |  | 154,468
Contingent consideration |  |  |  | 52,540
NCI in acquired assets |  |  |  | 246,922
Total purchase consideration |  |  |  | 1,234,608
Fair value of Property, plant and equipment |  |  | $ 1,617,371 | 1,617,371
Other assets |  |  | 5,628 | 5,628
Less: Asset retirement obligations |  |  | (388,391) | (388,391)
Total net assets |  |  | 1,234,608 | $ 1,234,608
LLOG Exploration Offshore L.L.C. and LLOG Bluewater Holdings, L.L.C. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash consideration paid | $ 1,238,400 |  | 1,238,353 |
Fair value of net assets contributed |  |  | 0 |
Contingent consideration |  |  | 89,444 |
NCI in acquired assets |  |  | 0 |
Total purchase consideration |  |  | $ 1,327,797 |
Fair value of Property, plant and equipment |  | 1,358,372 |  |
Other assets |  | 6,697 |  |
Less: Asset retirement obligations |  | (37,272) |  |
Total net assets |  | $ 1,327,797 |  |

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