Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|
| Statement of cash flows [abstract] | |||
| Cash flows from (used in) operating activities [abstract] | |||
| Adjustments for decrease (increase) in trade and other receivables |
617,000
USD
|
529,000
USD
|
747,000
USD
|
| Adjustments for decrease (increase) in other assets |
—
USD
|
—
USD
|
48,000
USD
|
| Adjustments for decrease (increase) in other current assets |
5,350,000
USD
|
3,371,000
USD
|
25,000
USD
|
| Adjustments for gains (losses) on change in fair value of derivatives |
800,000
USD
|
—
USD
|
—
USD
|
| Adjustments for gain (loss) on disposals, property, plant and equipment |
53,000
USD
|
66,000
USD
|
140,000
USD
|
| Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates |
—
USD
|
—
USD
|
264,409,000
USD
|
| Adjustments for undistributed profits of investments accounted for using equity method |
73,703,000
USD
|
34,117,000
USD
|
30,791,000
USD
|
| Cash flows from (used in) investing activities [abstract] | |||
| Purchase of investments other than investments accounted for using equity method |
—
USD
|
10,000,000
USD
|
13,670,000
USD
|
| Purchase of financial instruments, classified as investing activities |
—
USD
|
—
USD
|
69,541,000
USD
|
| Proceeds from sales or maturity of financial instruments, classified as investing activities |
—
USD
|
30,116,000
USD
|
173,995,000
USD
|
| Cash flows from (used in) financing activities [abstract] | |||
| Proceeds from exercise of options |
352,000
USD
|
1,036,000
USD
|
504,000
USD
|
| Proceeds from issue of preference shares |
37,610,000
USD
|
13,750,000
USD
|
51,048,000
USD
|
| Proceeds from non-current borrowings |
—
USD
|
14,720,000
USD
|
—
USD
|
| Repayments of non-current borrowings |
—
USD
|
—
USD
|
178,000
USD
|
| Proceeds from current borrowings |
—
USD
|
68,000
USD
|
—
USD
|
| Proceeds from issue of bonds, notes and debentures |
2,215,000
USD
|
25,000,000
USD
|
1,606,000
USD
|