Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
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 changes in equity [abstract] | |||||||
| Statement of changes in equity [line items] | |||||||
| Purchase of treasury shares |
70,000
USD
|
— |
10 963
USD
|
11 033
USD
|
4 143
USD
|
37,000
USD
|
4 106
USD
|
| Cancellation of treasury shares |
42,000
USD
|
42,000
USD
|
— |
0
USD
|
— | — | — |