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of Preferred Stock into common stock upon initial public offering Conversion of Stock, Amount Converted Statement of Stockholders' Equity [Abstract] Shares issued in connection with the employee stock purchase plan (shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Entity Filer Category Entity Filer Category License Fees and Collaboration License Fees and Collaboration [Member] License Fees and Collaboration Income Statement [Abstract] Lapse of repurchase rights related to common stock issued pursuant to early exercises (shares) Stock Issued During Period, Shares, Lapse Of Repurchase Rights Stock Issued During Period, Shares, Lapse Of Repurchase Rights Entity Registrant Name Entity Registrant Name Exercise the first tranche of equity warrants into LianBio common stock (included in "marketable securities" within the Consolidated Balance Sheet as of December 31, 2021) on November 1, 2021 upon LianBio's IPO Fair Value, Measurement with Unobservable Inputs 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