Basis of preparation - Additional Information (Detail) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Statement [Line Items] | ||||
| Profit (loss) | $ 75,789 | $ 89,283 | $ 184,451 | $ 149,980 |
| Profit (loss) from operating activities | 19,466 | 87,391 | 143,430 | 143,614 |
| Assets (liabilities) | 58,020 | 48,359 | 48,359 | 173,797 |
| Cash and cash equivalents | 42,381 | $ 101,757 | 101,757 | $ 214,888 |
| Borrowings | $ 50,000 | $ 50,000 | ||
| Borrowings, maturity | August 2022 | August 2022 | ||
| Capital commitments | $ 230,000 | $ 230,000 | ||
| Director | ||||
| Statement [Line Items] | ||||
| Cash flow statement forecast term period | 12 months | 12 months | ||
| Convertible Loan Note agreement | ||||
| Statement [Line Items] | ||||
| Debt instrument face amount | $ 200,000 | $ 200,000 | ||
| Debt instruments issued | $ 50,000 | $ 50,000 | ||
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- Definition Assets and (liabilities). No definition available.
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- Definition cash flow statement forecast term period. No definition available.
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- Definition Debt instrument face amount. No definition available.
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- Definition Outflows of profit loss from operating activities. No definition available.
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- Definition Profits losses. No definition available.
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- Definition Statement [Line Items] No definition available.
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- Definition The amount of outstanding funds that the entity is obligated to repay. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The maturity of borrowings. [Refer: Borrowings] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of future capital expenditures that the entity is committed to make. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of instruments issued by the entity that represent indebtedness. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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- Details
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