Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) | — |
71 171
USD
|
71 171
USD
|
38 391
USD
|
38 391
USD
|
— |
| Other comprehensive income [abstract] | ||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
150,000
USD
|
— | — |
84,000
USD
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
33,000
USD
|
— | — |
19,000
USD
|
— |
| Other comprehensive income |
1 185
USD
|
1 302
USD
|
117,000
USD
|
65,000
USD
|
623,000
USD
|
688,000
USD
|
| Comprehensive income | — |
69 868
USD
|
— | — |
39 014
USD
|
— |
| Comprehensive income attributable to [abstract] | ||||||
| Comprehensive income, attributable to owners of parent | — |
69 868
USD
|
— | — |
39 014
USD
|
— |