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Restricted Net Assets (Details) - PRC - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Restricted net assets
Minimum required percentage of statutory reserves	10.00%	10.00%
Percentage of statutory reserves to respective registered capital	50.00%	50.00%
Statutory reserves	$ 0	$ 0
Restricted amount by subsidiaries	$ 306,010	$ 306,010	$ 255,858

X

- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(e)(3)(ii))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

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X

- Definition

Minimum required percentage of statutory reserves.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of statutory reserves to respective registered capital.

+ References

No definition available.

+ Details

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- Definition

Restricted net assets.

+ References

No definition available.

+ Details

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X

- Definition

Statutory reserves.

+ References

No definition available.

+ Details

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- Details

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