Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Other inflows (outflows) of cash, classified as operating activities | — |
1,000,000
USD
|
— |
26,800,000
USD
|
— |
| Cash flows from (used in) operating activities | — |
23,400,000
USD
|
— |
33,100,000
USD
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Purchase of property, plant and equipment, classified as investing activities | — |
17,300,000
USD
|
— |
2,900,000
USD
|
— |
| Interest received, classified as investing activities | — |
1,000,000
USD
|
— |
500,000
USD
|
— |
| Cash flows from (used in) investing activities | — |
14,700,000
USD
|
— |
2,700,000
USD
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Repayments of borrowings, classified as financing activities | — |
77,600,000
USD
|
— |
2,000,000
USD
|
— |
| Cash flows from (used in) financing activities | — |
95,100,000
USD
|
— |
2,000,000
USD
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
86,400,000
USD
|
— |
37,800,000
USD
|
— |
| Cash and cash equivalents |
73,900,000
USD
|
— |
160,300,000
USD
|
— |
198,100,000
USD
|