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 |
17,884,000
USD
|
9,186,000
USD
|
| Other expense, by function |
7,019,000
USD
|
28,329,000
USD
|
| Tax expense (income) |
5,412,000
USD
|
20,741,000
USD
|