Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Statement of changes in net assets available for benefits [abstract] | ||
| Reconciliation of changes in net assets available for benefits [abstract] | ||
| Changes in net assets available for benefits [abstract] | ||
| Other income |
28. 2
USD
|
29. 8
USD
|
| Administrative expenses |
28 3 .0
USD
|
235. 5
USD
|
| Tax expense (income) |
60 . 5
USD
|
4,300,000
USD
|