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Capital and Financial Risk Management - Credit risk (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Capital And Financial Risk Management Credit Risk [Abstract]
Cash and cash equivalents	$ 149,866	$ 465,708	$ 403,881	$ 132,360
Short-term investments	200,229	0
Trade and other receivables	11,867	3,174
Total	$ 361,961	$ 468,882

X

- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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- Definition

The amount of exposure to loss resulting from credit risk. [Refer: Credit risk [member]]

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The amount of current trade receivables. [Refer: Trade receivables]

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Capital And Financial Risk Management [Abstract]

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Short-term Investments

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