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 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Cash flows from (used in) operations | — |
66,443,000
USD
|
— |
128,679,000
USD
|
| Income taxes paid (refund), classified as operating activities | — |
389,000
USD
|
— |
622,000
USD
|
| Cash flows from (used in) operating activities | — |
31,826,000
USD
|
— |
84,128,000
USD
|
| Cash flows from (used in) investing activities [abstract] | ||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
10,486,000
USD
|
— |
55,331,000
USD
|
| Purchase of property, plant and equipment, classified as investing activities | — |
7,033,000
USD
|
— |
12,019,000
USD
|
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — |
-
USD
|
— |
510,000
USD
|
| Cash flows from (used in) investing activities | — |
6,653,000
USD
|
— |
43,822,000
USD
|
| Cash flows from (used in) financing activities [abstract] | ||||
| Proceeds from issuing shares | — |
1,000
USD
|
— |
8,000
USD
|
| Payments to acquire or redeem entity's shares | — |
336,000
USD
|
— |
-
USD
|
| Proceeds from borrowings, classified as financing activities | — |
76,756,000
USD
|
— |
47,742,000
USD
|
| Repayments of borrowings, classified as financing activities | — |
91,878,000
USD
|
— |
104,850,000
USD
|
| Payments of lease liabilities, classified as financing activities | — |
43,902,000
USD
|
— |
36,779,000
USD
|
| Cash flows from (used in) financing activities | — |
57,367,000
USD
|
— |
100,173,000
USD
|
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
18,888,000
USD
|
— |
27,777,000
USD
|
| Cash and cash equivalents |
43,415,000
USD
|
— |
62,071,000
USD
|
— |