Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||
| Equity |
39,000,000
USD
|
250,500,000
USD
|
— |
304,400,000
USD
|
— |
58,000,000
USD
|
— |
34,900,000
USD
|
— | — | — |
36,600,000
USD
|
31,900,000
USD
|
— |
243,000,000
USD
|
55,400,000
USD
|
— | — |
293,700,000
USD
|
— |
246,600,000
USD
|
55,400,000
USD
|
510,100,000
USD
|
176,200,000
USD
|
31,900,000
USD
|
| Changes in equity [abstract] | |||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||
| Profit (loss) | — | — |
–
USD
|
— |
–
USD
|
— |
–
USD
|
— |
4,700,000
USD
|
4,700,000
USD
|
215,800,000
USD
|
— | — |
215,800,000
USD
|
— | — |
–
USD
|
–
USD
|
— |
–
USD
|
— | — | — | — | — |
| Other comprehensive income | — | — |
2,000,000
USD
|
— |
–
USD
|
— |
–
USD
|
— |
2,000,000
USD
|
–
USD
|
3,700,000
USD
|
— | — |
–
USD
|
— | — |
3,700,000
USD
|
–
USD
|
— |
–
USD
|
— | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — |
2,700,000
USD
|
— |
219,500,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — | — |
5,300,000
USD
|
— |
2,600,000
USD
|
— |
3,000,000
USD
|
— |
10,900,000
USD
|
–
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
2,500,000
USD
|
— |
–
USD
|
— |
–
USD
|
— |
2,500,000
USD
|
–
USD
|
2,300,000
USD
|
— | — |
–
USD
|
— | — |
2,300,000
USD
|
–
USD
|
— |
–
USD
|
— | — | — | — | — |