Consolidated Statement of Cash Flow (Schedule of Changes in Working Capital Shown in the Consolidated Statement of Cash Flow) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Consolidated Statement Of Cash Flow [Abstract]
Decrease (Increase) in Inventories	$ 1,241	$ 1,220	$ (1,675)
(Increase) Decrease in Trade receivables	(23,290)	3,190	(27,839)
(Increase) Decrease in Prepayments and other receivables and Other assets	(13,817)	38,742	(27,547)
Increase (Decrease) in Trade and other payables	26,515	(48,392)	11,964
(Decrease) Increase in working capital	$ (9,351)	$ (5,240)	$ (45,097)

No definition available.

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- Definition

Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Adjustments for decrease (increase) in other assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other assets; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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- Definition

Adjustments for decrease (increase) in trade accounts receivable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]

+ References

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Adjustments for increase (decrease) in trade accounts payable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]

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- Definition

The increase (decrease) in working capital.

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