Current and long-term debt - Schedule of debt rollforward by facility (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended | |
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Drawdowns | | | | $ 122,637 | $ 367,578 | |
Repayments | | | $ (313,100) | (507,764) | $ (341,449) | |
Non-Current | | | 474,056 | 474,056 | | $ 666,409 |
Credit Agricole Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | | | |
Carrying Value as of June 30, 2022 | | | 21,000 | 21,000 | | |
BNPP Sinosure Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Drawdowns | | | 5,100 | | | |
2020 $225 Million Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | $ 225,000 | | | | |
Carrying Value as of June 30, 2022 | | | 225,000 | 225,000 | | |
2021 $21.0 Million Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | | | |
Carrying Value as of June 30, 2022 | | | 21,000 | 21,000 | | |
Twenty Twenty One $43.6 Million Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | 43,600 | | | | |
Carrying Value as of June 30, 2022 | | | 43,600 | 43,600 | | |
$116.0 Million Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 116,000 | | |
Carrying Value as of June 30, 2022 | | | 116,000 | 116,000 | | |
$157.5 Million Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | | | |
Carrying Value as of June 30, 2022 | | | 157,500 | 157,500 | | |
Twenty Twenty One $146.3 Million Lease Financing [Member] | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | | | |
Carrying Value as of June 30, 2022 | | | 146,300 | 146,300 | | |
$670.0 Million Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | | | |
Carrying Value as of June 30, 2022 | | | 670,000 | 670,000 | | |
Convertible Notes Due 2022 | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Repayments | $ (19,400) | (62,100) | | | | |
Borrowings, noncash accretion and amortization | | | | 1,400 | | |
Convertible Notes Due 2025 | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Drawdowns | $ 19,400 | $ 62,100 | | | | |
Borrowings, noncash accretion and amortization | | | | 6,300 | | |
Gross carrying amount | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 3,145,623 | | |
Drawdowns | | | | 122,638 | | |
Repayments | | | | (641,651) | | |
Other Activity | | | | 11,194 | | |
Carrying Value as of June 30, 2022 | | | 2,637,804 | 2,637,804 | | |
Current | | | 379,843 | 379,843 | | |
Non-Current | | | 2,257,961 | 2,257,961 | | |
Gross carrying amount | Credit Agricole Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 72,838 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (73,591) | | |
Other Activity | | | | 753 | | |
Carrying Value as of June 30, 2022 | | | 0 | 0 | | |
Current | | | 0 | 0 | | |
Non-Current | | | 0 | 0 | | |
Gross carrying amount | Citibank / K-Sure Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 77,781 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (78,401) | | |
Other Activity | | | | 620 | | |
Carrying Value as of June 30, 2022 | | | 0 | 0 | | |
Current | | | 0 | 0 | | |
Non-Current | | | 0 | 0 | | |
Gross carrying amount | Hamburg Commercial Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 37,024 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (1,646) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 35,378 | 35,378 | | |
Current | | | 3,292 | 3,292 | | |
Non-Current | | | 32,086 | 32,086 | | |
Gross carrying amount | Prudential Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 44,832 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (2,773) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 42,059 | 42,059 | | |
Current | | | 5,546 | 5,546 | | |
Non-Current | | | 36,513 | 36,513 | | |
Gross carrying amount | 2019 DNB / GIEK Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 45,450 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (3,556) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 41,894 | 41,894 | | |
Current | | | 7,113 | 7,113 | | |
Non-Current | | | 34,781 | 34,781 | | |
Gross carrying amount | BNPP Sinosure Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 86,314 | | |
Drawdowns | | | | 5,075 | | |
Repayments | | | | (5,359) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 86,030 | 86,030 | | |
Current | | | 10,909 | 10,909 | | |
Non-Current | | | 75,121 | 75,121 | | |
Gross carrying amount | 2020 $225 Million Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 145,636 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (85,330) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 60,306 | 60,306 | | |
Current | | | 25,108 | 25,108 | | |
Non-Current | | | 35,198 | 35,198 | | |
Gross carrying amount | 2021 $21.0 Million Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 19,245 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (1,170) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 18,075 | 18,075 | | |
Current | | | 18,075 | 18,075 | | |
Non-Current | | | 0 | 0 | | |
Gross carrying amount | Twenty Twenty One $43.6 Million Credit Facility | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 43,550 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (43,550) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 0 | 0 | | |
Current | | | 0 | 0 | | |
Non-Current | | | 0 | 0 | | |
Gross carrying amount | Ocean Yield Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 126,334 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (5,659) | | |
Other Activity | | | | 86 | | |
Carrying Value as of June 30, 2022 | | | 120,761 | 120,761 | | |
Current | | | 11,519 | 11,519 | | |
Non-Current | | | 109,242 | 109,242 | | |
Gross carrying amount | BCFL Lease Financing (LR2s) | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 77,604 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (5,538) | | |
Other Activity | | | | 238 | | |
Carrying Value as of June 30, 2022 | | | 72,304 | 72,304 | | |
Current | | | 10,593 | 10,593 | | |
Non-Current | | | 61,711 | 61,711 | | |
Gross carrying amount | CSSC Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 132,957 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (7,281) | | |
Other Activity | | | | 396 | | |
Carrying Value as of June 30, 2022 | | | 126,072 | 126,072 | | |
Current | | | 14,282 | 14,282 | | |
Non-Current | | | 111,790 | 111,790 | | |
Gross carrying amount | BCFL Lease Financing (MRs) | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 68,888 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (7,705) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 61,183 | 61,183 | | |
Current | | | 16,143 | 16,143 | | |
Non-Current | | | 45,040 | 45,040 | | |
Gross carrying amount | 2018 CMBFL Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 111,986 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (6,504) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 105,482 | 105,482 | | |
Current | | | 13,007 | 13,007 | | |
Non-Current | | | 92,475 | 92,475 | | |
Gross carrying amount | $116.0 Million Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 95,789 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (95,789) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 0 | 0 | | |
Current | | | 0 | 0 | | |
Non-Current | | | 0 | 0 | | |
Gross carrying amount | AVIC Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 106,405 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (22,938) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 83,467 | 83,467 | | |
Current | | | 11,396 | 11,396 | | |
Non-Current | | | 72,071 | 72,071 | | |
Gross carrying amount | China Huarong Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 103,416 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (8,416) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 95,000 | 95,000 | | |
Current | | | 95,000 | 95,000 | | |
Non-Current | | | 0 | 0 | | |
Gross carrying amount | $157.5 Million Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 109,657 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (20,835) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 88,822 | 88,822 | | |
Current | | | 12,200 | 12,200 | | |
Non-Current | | | 76,622 | 76,622 | | |
Gross carrying amount | COSCO Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 61,050 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (3,850) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 57,200 | 57,200 | | |
Current | | | 7,700 | 7,700 | | |
Non-Current | | | 49,500 | 49,500 | | |
Gross carrying amount | 2020 CMBFL Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 41,332 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (1,621) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 39,711 | 39,711 | | |
Current | | | 3,242 | 3,242 | | |
Non-Current | | | 36,469 | 36,469 | | |
Gross carrying amount | 2020 TSFL Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 43,928 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (1,661) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 42,267 | 42,267 | | |
Current | | | 3,321 | 3,321 | | |
Non-Current | | | 38,946 | 38,946 | | |
Gross carrying amount | 2020 SPDBFL Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 87,111 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (3,248) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 83,863 | 83,863 | | |
Current | | | 6,495 | 6,495 | | |
Non-Current | | | 77,368 | 77,368 | | |
Gross carrying amount | 2021 AVIC Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 90,913 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (3,626) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 87,287 | 87,287 | | |
Current | | | 7,252 | 7,252 | | |
Non-Current | | | 80,035 | 80,035 | | |
Gross carrying amount | 2021 CMBFL Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 74,565 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (3,260) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 71,305 | 71,305 | | |
Current | | | 6,520 | 6,520 | | |
Non-Current | | | 64,785 | 64,785 | | |
Gross carrying amount | 2021 TSFL Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 54,377 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (2,190) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 52,187 | 52,187 | | |
Current | | | 4,380 | 4,380 | | |
Non-Current | | | 47,807 | 47,807 | | |
Gross carrying amount | 2021 CSSC Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 53,893 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (2,631) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 51,262 | 51,262 | | |
Current | | | 5,262 | 5,262 | | |
Non-Current | | | 46,000 | 46,000 | | |
Gross carrying amount | Twenty Twenty One $146.3 Million Lease Financing [Member] | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 146,250 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (5,962) | | |
Other Activity | | | | | | |
Carrying Value as of June 30, 2022 | | | 140,288 | 140,288 | | |
Current | | | 13,179 | 13,179 | | |
Non-Current | | | 127,109 | 127,109 | | |
Gross carrying amount | 2021 Ocean Yield Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 69,783 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (2,901) | | |
Other Activity | | | | | | |
Carrying Value as of June 30, 2022 | | | 66,882 | 66,882 | | |
Current | | | 5,850 | 5,850 | | |
Non-Current | | | 61,032 | 61,032 | | |
Gross carrying amount | 2022 AVIC Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 0 | | |
Drawdowns | | | | 117,204 | | |
Repayments | | | | 0 | | |
Other Activity | | | | | | |
Carrying Value as of June 30, 2022 | | | 117,204 | 117,204 | | |
Current | | | 9,168 | 9,168 | | |
Non-Current | | | 108,036 | 108,036 | | |
Gross carrying amount | IFRS 16 - Leases - 3 MR | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 29,268 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (3,991) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 25,277 | 25,277 | | |
Current | | | 8,373 | 8,373 | | |
Non-Current | | | 16,904 | 16,904 | | |
Gross carrying amount | $670.0 Million Lease Financing | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 546,730 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (48,418) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 498,312 | 498,312 | | |
Current | | | 44,918 | 44,918 | | |
Non-Current | | | 453,394 | 453,394 | | |
Gross carrying amount | Unsecured Senior Notes Due 2025 | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 70,050 | | |
Drawdowns | | | | 359 | | |
Repayments | | | | 0 | | |
Other Activity | | | | 20 | | |
Carrying Value as of June 30, 2022 | | | 70,429 | 70,429 | | |
Current | | | 0 | 0 | | |
Non-Current | | | 70,429 | 70,429 | | |
Gross carrying amount | Convertible Notes Due 2022 | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 68,312 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (69,695) | | |
Other Activity | | | | 1,383 | | |
Carrying Value as of June 30, 2022 | | | 0 | 0 | | |
Current | | | 0 | 0 | | |
Non-Current | | | 0 | 0 | | |
Gross carrying amount | Convertible Notes Due 2025 | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 202,355 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (12,556) | | |
Other Activity | | | | 7,698 | | |
Carrying Value as of June 30, 2022 | | | 197,497 | 197,497 | | |
Current | | | 0 | 0 | | |
Non-Current | | | 197,497 | 197,497 | | |
Deferred financing fees | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 24,821 | | |
Drawdowns | | | | 3,044 | | |
Repayments | | | | 0 | | |
Other Activity | | | | (7,309) | | |
Carrying Value as of June 30, 2022 | | | 20,556 | 20,556 | | |
Current | | | 2,588 | 2,588 | | |
Non-Current | | | 17,968 | 17,968 | | |
Deferred financing fees | Unsecured Senior Notes Due 2025 | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 2,300 | | |
Carrying Value as of June 30, 2022 | | | 2,000 | 2,000 | | |
Net carrying amount | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 3,117,055 | | |
Drawdowns | | | | 119,594 | | |
Repayments | | | | (642,583) | | |
Other Activity | | | | 18,503 | | |
Carrying Value as of June 30, 2022 | | | 2,612,569 | 2,612,569 | | |
Current | | | 372,576 | 372,576 | | |
Non-Current | | | 2,239,993 | 2,239,993 | | |
Prepaid Interest Expense | | | | | | |
Disclosure of detailed information about borrowings [line items] | | | | | | |
Carrying Value as of December 31, 2021 | | | | 3,747 | | |
Drawdowns | | | | 0 | | |
Repayments | | | | (932) | | |
Other Activity | | | | 0 | | |
Carrying Value as of June 30, 2022 | | | 4,679 | 4,679 | | |
Current | | | 4,679 | 4,679 | | |
Non-Current | | | $ 0 | $ 0 | | |