Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 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 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 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 |
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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 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 |
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 | — |
279,888,000
USD
|
512,000
USD
|
— | — |
124,134,000
USD
|
— | — |
127,423,000
USD
|
425,840,000
USD
|
— |
19,337,000
USD
|
1,320,000
USD
|
3,289,000
USD
|
— | — | — |
290,090,000
USD
|
3,830,000
USD
|
122,593,000
USD
|
1,320,000
USD
|
— |
13,811,000
USD
|
512,000
USD
|
425,686,000
USD
|
— | — |
118,763,000
USD
|
— | — | — | — |
108,824,000
USD
|
4,408,000
USD
|
512,000
USD
|
18,070,000
USD
|
425,477,000
USD
|
104,416,000
USD
|
299,391,000
USD
|
1,320,000
USD
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
417,000
USD
|
— | — |
–
USD
|
14,340,000
USD
|
— |
–
USD
|
–
USD
|
— | — |
–
USD
|
— | — | — |
14,757,000
USD
|
14,340,000
USD
|
11,482,000
USD
|
— | — | — | — |
9,793,000
USD
|
— | — | — |
–
USD
|
–
USD
|
— |
–
USD
|
1,689,000
USD
|
–
USD
|
9,793,000
USD
|
— | — | — | — | — | — | — | — |
| Comprehensive income |
541,000
USD
|
— | — |
–
USD
|
8,976,000
USD
|
— |
–
USD
|
5,526,000
USD
|
— | — |
–
USD
|
— | — | — |
9,517,000
USD
|
14,502,000
USD
|
14,138,000
USD
|
— | — | — | — |
9,301,000
USD
|
— | — | — |
–
USD
|
–
USD
|
— |
4,259,000
USD
|
578,000
USD
|
–
USD
|
13,560,000
USD
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
USD
|
— | — |
–
USD
|
4,300,000
USD
|
— |
–
USD
|
–
USD
|
— | — |
–
USD
|
— | — | — |
4,300,000
USD
|
4,300,000
USD
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
–
USD
|
— | — |
–
USD
|
96,000
USD
|
— |
96,000
USD
|
–
USD
|
— | — |
–
USD
|
— | — | — |
96,000
USD
|
–
USD
|
158,000
USD
|
— | — | — | — |
–
USD
|
— | — | — |
–
USD
|
–
USD
|
— |
–
USD
|
–
USD
|
158,000
USD
|
158,000
USD
|
— | — | — | — | — | — | — | — |