Ningbo Bank Working Capital Loan Facility Ningbo Bank Working Capital Loan Facility [Member] Ningbo Bank Working Capital Loan Facility Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Statistical Measurement [Domain] Statistical Measurement [Domain] Cover [Abstract] Cover [Abstract] Net decrease in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Accrued rebate to distributors Accrued Rebate To Distributors Current Amount of accrued rebate payable to distributors. Other current liabilities Total Other Liabilities, Current Trading Symbol Trading Symbol All Trading Arrangements All Trading Arrangements [Member] Schedule Of Cash And Cash Equivalents [Table] Cash and Cash Equivalent [Table] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Non-NEOs Non-NEOs [Member] Summary of Basic and Diluted Net Loss Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Accounts receivable, allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Pay vs Performance Disclosure [Line Items] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Accounts receivable Increase (Decrease) in Accounts Receivable Payment of upfront fees for license agreement Collaborative Arrangement, Rights and Obligations, Payment Of Upfront Fees For License Agreement Payment of upfront fees for license agreement. Loss from fair value changes of equity investment with readily determinable fair value Loss on equity investments with readily determinable fair value Equity Securities, FV-NI, Gain (Loss) Organization and Principal Activities Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Issuance of ordinary shares upon vesting of restricted shares (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Unrecorded Unconditional Purchase Obligation [Line Items] Unrecorded Unconditional Purchase Obligation [Line Items] Proceeds from exercises of stock options Proceeds from Stock Options Exercised Award Timing Disclosures [Line Items] Payables for purchase of property and equipment Payables For Purchase Of Property And Equipment Current Payables for purchase of property and equipment current. Electronic equipment Electronic Equipment [Member] Electronic equipment. Other Performance Measure, Amount Other Performance Measure, Amount Ordinary shares, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Statutory reserves Statutory Reserves Statutory reserves. Weighted average interest rate per annum Short-Term Debt, Weighted Average Interest Rate, at Point in Time Gain on sale of intellectual property Gain on sale of intellectual property Gain (Loss) on Disposition of Intangible Assets Non-current operating lease liabilities Operating Lease, Liability, Noncurrent Zai Lab Suzhou Zai Lab Suzhou Company Limited [Member] Zai Lab (Suzhou) company limited. Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Loans Payable Loans Payable [Member] Entity Tax Identification Number Entity Tax Identification Number Gross Carrying Amount Finite-Lived Intangible Assets, Gross Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Selling, general and administrative Selling, General and Administrative Expenses [Member] Noncash lease expenses Non Cash Lease Expenses Non-cash lease expenses. Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Deferred income Deferred Income, Noncurrent Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Treasury Stock Treasury Stock, Common [Member] Tax payables Taxes Payable, Current Xanomeline-Trospium Chloride Xanomeline-Trospium Chloride [Member] Xanomeline-Trospium Chloride Equity Components Equity Components [Axis] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Award Timing Method Award Timing Method [Text Block] Office equipment Office Equipment [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Milestone payment made Collaborative Arrangement, Rights and Obligations, Milestone Payment The amount represents milestone payments. Insider Trading Policies and Procedures [Line Items] Tranche five Share-Based Payment Arrangement, Tranche Five [Member] Share-Based Payment Arrangement, Tranche Five Use of Estimates Use of Estimates, Policy [Policy Text Block] SUL-DUR SUL-DUR [Member] SUL-DUR Restricted Net Assets [Line Items] Restricted Net Assets [Line Items] Restricted net assets. Manufacturing equipment Manufacturing Equipment [Member] Manufacturing equipment. Adjustment to Compensation, Amount Adjustment to Compensation Amount Additional paid-in capital Additional Paid in Capital, Common Stock Compensation Amount Outstanding Recovery Compensation Amount Supplemental disclosure on non-cash investing and financing activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Entity Small Business Entity Small Business Company Selected Measure Amount Company Selected Measure Amount Geographical [Axis] Geographical [Axis] Payments of debt issuance costs Payments of Debt Issuance Costs Tabular List, Table Tabular List [Table Text Block] Commercial products Commercial Products, Intangible Asset [Member] Commercial Products, Intangible Asset Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Award Date [Axis] Award Date [Axis] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Antidilutive shares excluded from calculation of diluted loss per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Tranche one Share-Based Payment Arrangement, Tranche One [Member] Schedule of Product Revenue Schedule Of Gross And Net Revenue [Table Text Block] Schedule Of Gross And Net Revenue Credit Facility [Domain] Credit Facility [Domain] Zai Lab Shanghai Zai Lab (Shanghai) Co., Ltd. [Member] Zai Lab (Shanghai) Co., Ltd. Current assets Assets, Current [Abstract] Taxes paid related to settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Other comprehensive income, net of tax of nil: Other Comprehensive Income (Loss), Net of Tax [Abstract] Inventories, Net Inventory Disclosure [Text Block] Treasury Stock (in shares) Beginning balance (in shares) Ending balance (in shares) Treasury Stock, Common, Shares Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Share options Share-Based Payment Arrangement, Option [Member] Long-term deposits Increase Decrease In Long Term Deposits Increase decrease in long term deposits. Depreciation expense Depreciation Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Gain on disposal of land use right Gain (Loss) On Disposal Of Land Use Rights Gain (Loss) On Disposal Of Land Use Rights Security Exchange Name Security Exchange Name Award Type [Axis] Award Type [Axis] Prepayments for equipment Prepayments For Equipment Prepayments for equipment. Work in progress Inventory, Work in Process, Net of Reserves Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Total liabilities Liabilities Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Short-term debt Total short-term debt Short-Term Debt Ordinary shares, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Research and development Research and Development Expense Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Expiration Date Trading Arrangement Expiration Date Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Proceeds from sale of intellectual property Proceeds from Sale of Intangible Assets SPD Bank Shanghai Pudong Development Bank Co., Ltd. [Member] Shanghai Pudong Development Bank Co., Ltd. Other comprehensive income, tax Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Current operating lease liabilities Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Ordinary shares, shares issued (in shares) Common Stock, Shares, Issued Product revenue - gross Revenue From Contract With Customers, Excluding Assessed Tax, Before Adjustments For Rebates And Sales Returns Amount of revenue from contract with customers excluding assessed tax, before adjustments for rebates and sales return. Entity [Domain] Entity [Domain] Restricted Net Assets [Table] Restricted Net Assets [Table] Restricted net assets . Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Hong Kong dollar (“HK$”) Hong Kong, Dollars Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Cash Cash Other Income, Net Other Nonoperating Income and Expense [Text Block] OPTUNE Optune [Member] Optune Property and equipment, gross Property, Plant and Equipment, Gross Value added tax recoverable Increase (Decrease) In Value Added Taxes Receivable Increase (Decrease) In Value Added Taxes Receivable Exercise of share options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Innoviva Inc. Innoviva Inc. [Member] Innoviva Inc. Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Research and development Research and Development Expense [Member] Ordinary shares, shares authorized (in shares) Common Stock, Shares Authorized Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Weighted-average shares used in calculating net loss per ordinary share - diluted (in shares) Weighted average number of ordinary shares - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other Counterparties Other Counterparties [Member] Other Counterparties BMS BMS [Member] BMS Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Cash And Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Interest expense Interest Expense, Nonoperating Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Letters of credit outstanding Letters of Credit Outstanding, Amount Selling, general, and administrative Selling, General and Administrative Expense Entity Address, Country Entity Address, Country Accounts receivable (net of allowance for credit losses of $14 and $17 as of September 30, 2024 and December 31, 2023, respectively) Accounts Receivable, after Allowance for Credit Loss, Current Options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross SPD Bank Working Capital Loans SPD Bank Working Capital Loan Facility [Member] SPD Bank Working Capital Loan Facility Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Payables for purchase of property and equipment Noncash or Part Noncash Acquisition, Fixed Assets Acquired Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Document Fiscal Period Focus Document Fiscal Period Focus All Executive Categories All Executive Categories [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Assets Assets [Abstract] Restricted cash, current Restricted Cash, Current Document Type Document Type Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Software Computer Software, Intangible Asset [Member] Payables for treasury stock Non Cash, Payables For Treasury Stock Non cash payables for treasury stock. Cash, cash equivalents and restricted cash - beginning of period Cash, cash equivalents and restricted cash - end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Other Income and Expenses [Abstract] Restricted Net Assets Restricted Assets Disclosure [Text Block] Maximum Maximum [Member] Amortization expense Amortization of Intangible Assets Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Net Carrying Value Finite-Lived Intangible Assets, Net Antidilutive Securities [Axis] Antidilutive Securities [Axis] Accounts payable Accounts Payable, Current Renminbi (“RMB”) China, Yuan Renminbi Summary of significant accounting policies Accounting Policies [Abstract] Revenues Revenues [Abstract] Leasehold improvements Leasehold Improvements [Member] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Short-term investments Short-Term Investments Statistical Measurement [Axis] Statistical Measurement [Axis] PEO Name PEO Name Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Vesting [Axis] Vesting [Axis] Award Type [Domain] Award Type [Domain] Name Outstanding Recovery, Individual Name Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Summary of Anti-Dilutive Shares Excluded from Calculation of Diluted Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Non-PEO NEO Non-PEO NEO [Member] Amortization period Finite-Lived Intangible Asset, Useful Life Additional paid in capital Additional Paid-in Capital [Member] Award Timing Predetermined Award Timing Predetermined [Flag] Restricted cash, non-current Restricted Cash, Noncurrent Short-Term Debt [Line Items] Short-Term Debt [Line Items] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Loss per share - diluted (in dollars per share) Net loss per share - diluted (in dollars per share) Earnings Per Share, Diluted Class of Stock [Axis] Class of Stock [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Denominator: Weighted Average Number Of Share Outstanding Basic And Diluted [Abstract] Weighted average number of share outstanding basic and diluted. Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Foreign currency gains (losses) Gain (Loss), Foreign Currency Transaction, before Tax Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Foreign currency remeasurement impact Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Consolidated balance sheets Statement of Financial Position [Abstract] PRC CHINA Share-based compensation Share-Based Payment Arrangement, Noncash Expense Tranche two Share-Based Payment Arrangement, Tranche Two [Member] Proceeds from the sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Income tax expense Provision for income taxes Income Tax Expense (Benefit) Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Equity investments with readily determinable fair value Equity Securities, FV-NI Recognized over a weighted-average period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Guarantor obligation term Guarantor Obligation, Term Guarantor Obligation, Term Product revenue, net Product revenue - net Product revenue - net Revenue from Contract with Customer, Excluding Assessed Tax Acquisition of intangible assets Payments to Acquire Intangible Assets Payables for acquisition of intangible assets Non Cash, Payables For Intangible Assets Non-cash payables for intangible assets. Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities Notes receivable Increase (Decrease) in Notes Receivable, Current Consolidated statements of comprehensive loss Statement of Comprehensive Income [Abstract] Cash equivalents Cash Equivalents, at Carrying Value Inventory write-down Inventory Write-down Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Loss from operations Operating Income (Loss) Operating lease liabilities Increase Decrease In Operating Lease Liabilities Increase (decrease) in operating lease liabilities. Other Current Liabilities Other Current Liabilities Disclosure [Text Block] Other current liabilities disclosure. Total liabilities and shareholders’ equity Liabilities and Equity Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Accrued payroll Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Prepayments and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Maximum guarantor obligation Guarantor Obligations, Maximum Exposure, Undiscounted Schedule of Other Income, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Legal Entity Legal Entity [Axis] Interest income Investment Income, Interest Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] NUZYRA Nuzyra [Member] Nuzyra. Right-of-use asset acquired under operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Underlying Security Market Price Change Underlying Security Market Price Change, Percent Maximum additional milestone payments Collaborative Arrangement, Rights and Obligations, Maximum Additional Milestone Payments The amount represents the additional milestone payments. Individual: Individual [Axis] Receipt of shares netted to satisfy tax withholding obligations related to share-based compensation Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Issuance of ordinary shares upon vesting of restricted shares Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] Inventories, net Inventories, net Inventory, Net Product and Service [Axis] Product and Service [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] CMB China Merchants Bank Co., Ltd. [Member] China Merchants Bank Co., Ltd. Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Vesting [Domain] Vesting [Domain] Liabilities and shareholders’ equity Liabilities and Equity [Abstract] License and Collaboration Agreements Licenses And Collaborative Arrangement Disclosure [Text Block] Licenses And Collaborative Arrangement Disclosure Inventory write-down Production Related Impairments or Charges Restricted amount by subsidiaries Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries Minimum Minimum [Member] Restatement Determination Date Restatement Determination Date Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation [Table] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Allowance for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Currency [Axis] Currency [Axis] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Property Plant And Equipment Property, Plant and Equipment [Abstract] Exercise Price Award Exercise Price American Depositary Shares ADR [Member] Loss Per Share Earnings Per Share [Text Block] Arrangement Duration Trading Arrangement Duration Exercise of share options Stock Issued During Period, Value, Stock Options Exercised Expenses Costs and Expenses [Abstract] Shareholders’ equity Equity, Attributable to Parent [Abstract] Long term investments Long-Term Investments Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Value added tax recoverable Value Added Tax Receivable, Noncurrent Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Debt instrument term Debt Instrument, Term All Individuals All Individuals [Member] PEO PEO [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Name Trading Arrangement, Individual Name Other income, net Total Other Nonoperating Income (Expense) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Non-option awards granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Floating interest rate adjustment period Debt Instrument, Variable Interest Rate, Adjustment, Period Debt Instrument, Variable Interest Rate, Adjustment, Period Tranche four Share-Based Payment Arrangement, Tranche Four [Member] Share-Based Payment Arrangement, Tranche Four Unrecognized share-based compensation expense related to unvested restricted shares Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Treasury Stock (at cost, 4,912,200 shares as of both September 30, 2024 and December 31, 2023) Treasury Stock, Common, Value Prior to April 2023 Prior To April 2023 [Member] Prior To April 2023 Cost of collaboration revenue Other Cost of Operating Revenue Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Tranche three Share-Based Payment Arrangement, Tranche Three [Member] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Taiwan dollar (“TW$”) Taiwan, New Dollars Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Income Statement Location Statement of Income Location, Balance [Axis] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Debt Disclosure [Abstract] Ordinary Shares Common Stock [Member] Measure: Measure [Axis] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Entity Emerging Growth Company Entity Emerging Growth Company Other Other Sundry Liabilities, Current Receipt of shares netted to satisfy tax withholding obligations related to share-based compensation (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Entity Central Index Key Entity Central Index Key Since April 2023 April 2023 And Later [Member] April 2023 And Later Schedule of Inventories, Net Schedule of Inventory, Current [Table Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount US$ United States of America, Dollars Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component Equity Component [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Restricted shares Restricted Stock [Member] Entity Shell Company Entity Shell Company Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title Trading Arrangement, Individual Title Standby Letters of Credit Standby Letters of Credit [Member] Statement [Table] Statement [Table] Regulatory milestone fees Regulatory Milestone Fees [Member] Regulatory Milestone Fees Counterparty Name [Axis] Counterparty Name [Axis] Basis of Presentation and Consolidation and Significant Accounting Policies Significant Accounting Policies [Text Block] Property and Equipment and Commercial Manufacturing Development Activities Property And Equipment And Commercial Manufacturing Development Activities [Member] Property And Equipment And Commercial Manufacturing Development Activities Unrecognized tax benefits Unrecognized Tax Benefits City Area Code City Area Code China Merchant Bank Working Capital Loans China Merchant Bank Working Capital Loan Facility [Member] China Merchant Bank Working Capital Loan Facility Current liabilities Liabilities, Current [Abstract] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Purchases of short-term investments Payments to Acquire Short-Term Investments Level 1 Fair Value, Inputs, Level 1 [Member] Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Document Information [Line Items] Document Information [Line Items] Income Tax Income Tax Disclosure [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Equity [Abstract] Land use rights, net Land Use Rights Net Noncurrent Land use rights, net noncurrent. Raw materials Inventory, Raw Materials, Net of Reserves Accumulated deficit Retained Earnings (Accumulated Deficit) Class of Stock [Domain] Class of Stock [Domain] Inventories Increase (Decrease) in Inventories Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Schedule of Short-Term Debt Schedule of Short-Term Debt [Table Text Block] Equity Awards Adjustments Equity Awards Adjustments [Member] Debt instrument fee Debt Instrument, Fee Amount Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Less: Rebates and sales returns Revenue From Contract With Customers, Excluding Assessed Tax, Adjustments For Rebates And Sales Returns Revenue From Contract With Customers, Excluding Assessed Tax, Adjustments For Rebates And Sales Returns Credit Facility [Axis] Credit Facility [Axis] ZEJULA Zejula [Member] Zejula Amendment Flag Amendment Flag Entity Registrant Name Entity Registrant Name Losses on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Proceeds from disposal of land use right Proceeds From Disposal Of Land Use Rights Proceeds From Disposal Of Land Use Rights Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and amortization expenses Depreciation, Depletion and Amortization Intangible Assets, Net Intangible Assets Disclosure [Text Block] Foreign currency translation adjustments Foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Fair Value as of Grant Date Award Grant Date Fair Value QINLOCK Qinlock [Member] Qinlock Vehicle Vehicles [Member] Borrowings Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Geographical [Domain] Geographical [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Disaggregation of Net Revenue Disaggregation of Revenue [Table Text Block] Proceeds from short-term debt Proceeds from Short-Term Debt Entity Address, Postal Zip Code Entity Address, Postal Zip Code Schedule of Share-Based Compensation expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Amortization of deferred income Amortization Of Deferred Income Amortization of deferred income. Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Ordinary shares (par value of $0.000006 per share; 5,000,000,000 shares authorized; 989,268,370 and 977,151,270 shares issued as of September 30, 2024 and December 31, 2023, respectively; 984,356,170 and 972,239,070 shares outstanding as of September 30, 2024 and December 31, 2023, respectively) Common Stock, Value, Issued Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Government grants Government Assistance, Nonoperating Income, Increase (Decrease) Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Other current liabilities Increase (Decrease) in Other Current Liabilities Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Repotrectinib Repotrectinib [Member] Repotrectinib Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations All Currencies [Domain] All Currencies [Domain] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Loss per share - basic (in dollars per share) Net loss per share - basic (in dollars per share) Earnings Per Share, Basic Schedule of Short-Term Debt [Table] Short-Term Debt [Table] Accounts payable Increase (Decrease) in Accounts Payable Long-term deposits Deposits Assets, Noncurrent Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Other Liabilities Disclosure [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Unrecognized share-based compensation expense related to unvested share options granted Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Total assets Assets Cost of product revenue Cost of Goods and Services Sold Cash and cash equivalents Cash and Cash Equivalents [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Other non-current liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Commitments and contingencies (Note 16) Commitments and Contingencies Receivables for stock option exercise under equity incentive plans Receivables for Stock Option Exercise under Equity Incentive Plans Receivables for Stock Option Exercise under Equity Incentive Plans Termination Date Trading Arrangement Termination Date Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Repayment of short-term bank borrowings Repayments of Short-Term Debt Total revenues Revenues Share-Based Compensation Share-Based Payment Arrangement [Text Block] Laboratory equipment Laboratory Equipment [Member] Laboratory equipment. Entity Address, City or Town Entity Address, City or Town Debt Instrument [Axis] Debt Instrument [Axis] Proceeds from maturity of short-term investment Proceeds from Maturities, Prepayments and Calls of Short-Term Investments Share-based compensation expense Share-Based Payment Arrangement, Expense Net loss Net loss Net Income (Loss) Attributable to Parent Collaboration revenue Revenue from Collaborative Arrangement, Excluding Revenue from Contract with Customer Trading Arrangement: Trading Arrangement [Axis] VYVGART vyvgart [Member] vyvgart Interest and penalties on unrecognized tax benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Schedule of Components of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Notes receivable Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss, Current Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Purchase obligation to be incurred within one year Unrecorded Unconditional Purchase Obligation, Due in Next Rolling 12 Months Entity File Number Entity File Number Revenues Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Consolidated statements of operations Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Name Forgone Recovery, Individual Name Award Date [Domain] Award Date [Domain] Document Period End Date Document Period End Date Finished goods Inventory, Finished Goods, Net of Reserves Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Deferred income Increase (Decrease) in Deferred Revenue Bank of China Working Capital Loans Bank of China Working Capital Loan Facility [Member] Bank of China Working Capital Loan Facility Insider Trading Arrangements [Line Items] Cash and Cash Equivalents Cash and Cash Equivalents Disclosure [Text Block] Inventories Inventory Disclosure [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adjustment to Compensation: Adjustment to Compensation [Axis] Prepayments and other current assets Prepaid Expense and Other Assets, Current Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Commercial development costs Commercial Development Cost [Member] Commercial Development Cost Accumulated deficit Retained Earnings [Member] Debt issuance costs Amortization of Debt Issuance Costs Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Australian dollar (“A$”) Australia, Dollars Weighted-average shares used in calculating net loss per ordinary share - basic (in shares) Weighted average number of ordinary shares - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Document Information [Table] Document Information [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Accrued professional service fee Accrued Professional Fees, Current Executive Category: Executive Category [Axis] Others miscellaneous gain Other Nonoperating Gains (Losses) Name Awards Close in Time to MNPI Disclosures, Individual Name Construction in progress Construction in Progress [Member] Entity Filer Category Entity Filer Category Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] Income Statement Location Statement of Income Location, Balance [Domain] Company Selected Measure Name Company Selected Measure Name