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Organization and Principal Activities (Details) | 12 Months Ended
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Dec. 31, 2023
Zai Lab (Hong Kong) Limited |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Lab (Shanghai) Co., Ltd. |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Lab (AUST) Pty. Ltd. |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Lab (Suzhou) Co., Ltd. |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Biopharmaceutical (Suzhou) Co., Ltd. |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Lab (US) LLC |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Lab International Trading (Shanghai) Co., Ltd. |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Auto Immune (Hong Kong) Limited |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Lab (Taiwan) Limited |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%
Zai Lab Trading (Suzhou) Co., Ltd. |
Subsidiary Of Limited Liability Company Or Limited Partnership [Line Items] |
Percentage of Ownership | 100.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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