Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Other property, plant and equipment |
550,000
USD
|
640,000
USD
|
— |
| Intangible assets and goodwill [abstract] | |||
| Goodwill |
47,762,000
USD
|
-
USD
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
26,000
USD
|
26,000
USD
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
-
USD
|
-
USD
|
— |
| Other non-current assets |
135,000
USD
|
135,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
55,629,000
USD
|
10,857,000
USD
|
— |
| Current inventories arising from extractive activities [abstract] | |||
| Current crude oil |
4,284,000
USD
|
1,666,000
USD
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
24,532,000
USD
|
5,674,000
USD
|
20,493,000
USD
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale |
29,015,000
USD
|
20,445,000
USD
|
— |
| Miscellaneous current assets [abstract] | |||
| Current restricted cash and cash equivalents |
-
USD
|
9,960,000
USD
|
— |
| Current derivative financial assets |
-
USD
|
1,380,000
USD
|
— |
| Classes of other provisions [abstract] | |||
| Provision for decommissioning, restoration and rehabilitation costs [abstract] | |||
| Non-current provision for decommissioning, restoration and rehabilitation costs |
140,839,000
USD
|
21,464,000
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current loans received | — | — | — |
| Non-current portion of non-current secured bank loans received |
77,689,000
USD
|
9,660,000
USD
|
— |
| Non-current portion of other non-current borrowings |
-
USD
|
3,078,000
USD
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current loans received and current portion of non-current loans received | — | — | — |
| Current secured bank loans received and current portion of non-current secured bank loans received |
14,714,000
USD
|
4,322,000
USD
|
— |
| Other current borrowings and current portion of other non-current borrowings |
4,507,000
USD
|
4,133,000
USD
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
12,707,000
USD
|
6,020,000
USD
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
8,302,000
USD
|
2,172,000
USD
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
2,489,000
USD
|
-
USD
|
— |
| Other current liabilities |
10,623,000
USD
|
1,291,000
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
721,000
USD
|
459,000
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
311,694,000
USD
|
361,017,000
USD
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
122,324,000
USD
|
122,465,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
584,667,000
USD
|
149,407,000
USD
|
— |
| Assets less current liabilities [abstract] |