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Taxation (Movement of Valuation Allowance for Net Deferred Tax Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Beginning balance	$ 326,755	$ 283,711	$ 250,524
Provision for the year	45,787	36,363	44,634
Reversal for the year	(91,019)	(12,637)	(7,311)
Foreign currency translation adjustment	7,574	19,318	(4,136)
Ending balance	$ 289,097	$ 326,755	$ 283,711

X

- Definition

Valuation allowance, deferred tax asset foreign currency translation adjustment.

+ References

No definition available.

+ Details

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- Definition

Valuation allowance deferred tax assets addition.

+ References

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X

- Definition

Valuation allowance deferred tax assets reversal.

+ References

No definition available.

+ Details

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X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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- References

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