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Financial risk management (Tables) | 12 Months Ended
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Dec. 31, 2021
Financial Instruments [Abstract] |
Schedule of interest rate risk exposure | The Company’s interest rate risk exposure is mainly related to undrawn credit facilities.
As at | Dec 31 2021 | Dec 31 2020
Fixed interest rate debt: |  |
Unsecured notes | $ | 1,981,199 |  | $ | 1,979,125 |
Other limited recourse debt facilities | 176,993 |  | 160,964 |
| $ | 2,158,192 |  | $ | 2,140,089 |
Variable interest rate debt: |  |
Geismar 3 construction facility | $ | — |  | $ | 176,335 |
Egypt limited recourse debt facilities | — |  | 46,948 |
| $ | — |  | $ | 223,283 |
Expected cash flows of financial liabilities by maturity date | The expected cash flows of financial liabilities from the date of the balance sheet to the contractual maturity date are as follows:
As at December 31, 2021 | Carrying amount | Contractual cash flows |  | 1 year or less | 1-3 years | 3-5 years | More than 5 years
Trade and other payables 1 | $ | 648,850 | $ | 648,850 |  | $ | 648,850 | $ | — | $ | — | $ | —
Lease obligations 2 | 717,101 | 945,835 |  | 140,413 | 233,331 | 186,003 | 386,088
Other long-term liabilities 2 | 28,985 | 57,747 |  | 2,200 | 4,400 | 4,400 | 46,747
Long-term debt 2 | 2,158,192 | 3,178,886 |  | 123,706 | 546,915 | 221,054 | 2,287,211
Cash flow hedges 3 | 60,098 | 67,341 |  | 3,854 | 24,250 | 21,500 | 17,737
| $ | 3,613,226 | $ | 4,898,659 |  | $ | 919,023 | $ | 808,896 | $ | 432,957 | $ | 2,737,783
1 Excludes tax and accrued interest. 2 Contractual cash flows include contractual interest payments related to debt obligations and lease obligations. 3 The expected cash flows of hedges are based on current valuations of the expected settlement amounts, which will fluctuate at settlement dependent on the market prices at the future settlement dates

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- Definition The disclosure of how the entity manages its liquidity risk. [Refer: Liquidity risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 39 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of information that enables users of financial statements to evaluate the nature and extent of risks arising from financial instruments to which the entity is exposed. [Refer: Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_31&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Financial instruments [Abstract] + References No definition available. + Details
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