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Financial Statements Schedule I - Additional Information (Details) | Dec. 31, 2017
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Condensed Financial Information Of Parent Company Only Disclosure [Abstract] |
Percentage of restricted net assets of subsidiary exceeding consolidated net assets | 25.00%

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- References No definition available. + Details
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- Definition Percentage of restricted net assets of subsidiary exceeding consolidated net assets. + References No definition available. + Details
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Namespace Prefix: | zlab_
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