Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTAL CASH FLOW INFORMATION- Supplemental Disclosure of Cash Flow Information (Details)

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SUPPLEMENTAL CASH FLOW INFORMATION- Supplemental Disclosure of Cash Flow Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]      
Non-cash accruals of property, plant and equipment and other non-current assets $ 56,305 $ 8,370 $ 11,759
Non-cash settlement of Final Payment Fee 0 8,539 0
Future proceeds from sale of Magellan Petroleum UK 0 0 1,384
Tradable equity securities 0 0 5,069
Non-cash settlement of withholding taxes associated with the 2019 and 2018 bonus paid and vesting of certain awards, respectively 3,064 1,659 6,686
Non-cash settlement of the 2019 and 2018 bonus paid, respectively 5,430 7,602 18,396
Asset retirement obligation additions and revisions $ 76 0 182
Noncash activities related to debt amendment   78,500  
Noncash activities related to replacement warrant   $ 2,100  
Escrow deposit     $ 400