Payment of deferred offering costs Payments of Deferred Stock Issuance Costs Payments of Deferred Stock Issuance Costs Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Primary Endpoint Of Saturn-2 Trial Primary Endpoint Of Saturn-2 Trial [Member] Primary Endpoint Of Saturn-2 Trial Adjustments to reconcile net (loss) income to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total future lease payments, undiscounted Lessee, Operating Lease, Liability, to be Paid Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Provision for income taxes Income Tax Expense (Benefit) Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Common stock votes Common Stock, Number Of Votes Common Stock, Number Of Votes Principal outstanding Term loan, gross (amount drawn) Long-Term Debt, Gross Preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Income Statement [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Additional Paid-In Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Basic EPS Earnings Per Share, Basic [Abstract] Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Stock options issued and outstanding (shares) Common Stock, Capital Shares Reserved for Future Issuance, Effect Of Stock Options Issued And Outstanding Common Stock, Capital Shares Reserved for Future Issuance, Effect Of Stock Options Issued And Outstanding Weighted-average shares outstanding, diluted (shares) Diluted weighted average shares outstanding (shares) Weighted Average Number of Shares Outstanding, Diluted Preferred stock, outstanding (shares) Preferred Stock, Shares Outstanding Debt issuance costs Debt issuance costs (legal and other administrative fees) Debt Issuance Costs, Line of Credit Arrangements, Net (Less): Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Credit Facility, Tranche Three Credit Facility, Tranche Three [Member] Credit Facility, Tranche Three Loss on lease termination Gain (Loss) on Termination of Lease Maximum milestone payments Collaborative Arrangement, Maximum Milestone Payment Collaborative Arrangement, Maximum Milestone Payment Debt Instrument [Axis] Debt Instrument [Axis] Property and equipment, at cost Property, Plant and Equipment, Gross Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Common stock in LianBio (included in "long-term investments") Equity Securities, FV-NI Credit facility, aggregate principal amount Line of Credit Facility, Maximum Borrowing Capacity Lapse of repurchase obligation for stock option exercises, prior to vesting (shares) Stock Issued During Period, Shares, Lapse Of Repurchase Rights Stock Issued During Period, Shares, Lapse Of Repurchase Rights Common stock, $0.0001 par value; 200,000,000 shares authorized; 26,650,078 shares issued and 26,644,252 outstanding, which excludes 5,826 shares subject to repurchase at June 30, 2022 (unaudited); 20,726,580 shares issued and 20,698,737 outstanding, which excludes 27,840 shares subject to repurchase at December 31, 2021 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Depreciation and amortization Other Depreciation and Amortization Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Depreciation Depreciation Issuance of common stock upon the vesting of restricted stock units (shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Outstanding potentially dilutive securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Exercise of vested stock options (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Interest expense for term loan Interest Expense, Debt, Excluding Amortization Interest rate Debt Instrument, Interest Rate, Stated Percentage Estimated incremental borrowing rate Operating Lease, Weighted Average Discount Rate, Percent Short-term lease cost Short-Term Lease, Cost Share-Based Payment Arrangement [Abstract] Preferred stock, authorized (shares) Preferred Stock, Shares Authorized Cash and cash equivalents — beginning of period Cash and cash equivalents — end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Expensing of "operating lease right-of-use assets" upon lease termination Operating Lease, Right Of Use Asset, Lease Termination Expense Operating Lease, Right Of Use Asset, Lease Termination Expense Stock issued, gross proceeds Sale of Stock, Consideration Received on Transaction, Gross Sale of Stock, Consideration Received on Transaction, Gross Commitment & Contingencies Commitments and Contingencies Disclosure [Text Block] Current liabilities: Liabilities, Current [Abstract] Net (loss) income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Accrued clinical studies Accrued Clinical Studies, Current Accrued Clinical Studies, Current Proceeds from term loan Proceeds from Issuance of Long-Term Debt Beginning balance (shares) Ending balance (shares) Temporary Equity, Shares Outstanding Common stock, issued (shares) Common Stock, Shares, Issued Net (loss) income Net (loss) income Net (loss) income Net (loss) income Net Income (Loss) Attributable to Parent Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Contract liability Contract with Customer, Liability, Current Antidilutive securities excluded from computation of net income (loss) per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Proceeds from exercise of vested stock options Proceeds From Early Exercise Of Stock Options Proceeds From Early Exercise Of Stock Options Additional shares to be issued upon 18-month anniversary of contract execution, value Additional Stock To Be Issued On Eighteen Month Agreement Anniversary, Value, Issued for Services Additional Stock To Be Issued On Eighteen Month Agreement Anniversary, Value, Issued for Services Additions of "property and equipment, net" included within "accounts payable and other accrued liabilities" Capital Expenditures Incurred but Not yet Paid Income Statement Location [Domain] Income Statement Location [Domain] Equity Component [Domain] Equity Component [Domain] Amendment Flag Amendment Flag Cash used in investing activities Net Cash Provided by (Used in) Investing Activities Operating lease cost Operating Lease, Cost Total assets measured at fair value Assets, Fair Value Disclosure Number of warrants Number Of Warrants Number Of Warrants Shares issued in connection with the employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Additional shares to be issued upon 18-month anniversary of contract execution, share price (usd per share) Additional Stock To Be Issued On Eighteen Month Agreement Anniversary, Share Price, Issued for Services Additional Stock To Be Issued On Eighteen Month Agreement Anniversary, Share Price, Issued for Services Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Collaboration revenue Collaboration [Member] Collaboration Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Entity Current Reporting Status Entity Current Reporting Status Credit Facility, Tranche Six Credit Facility, Tranche Six [Member] Credit Facility, Tranche Six Other assets Other assets Other Assets, Noncurrent Accrued payroll and benefits Increase (Decrease) in Employee Related Liabilities Non-cash lease expense Operating Lease, Noncash Expense Operating Lease, Noncash Expense Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Number of operating segments Number of Operating Segments Lease Contractual Term [Domain] Lease Contractual Term [Domain] 2022 (remaining six months) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Level 1 Fair Value, Inputs, Level 1 [Member] Shares issued in connection with the employee stock purchase plan (shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Counterparty Name [Axis] Counterparty Name [Axis] Summary of Interest Expense Interest Income and Interest Expense Disclosure [Table Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Award Type [Axis] Award Type [Axis] Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Operating lease liability, current Operating Lease, Liability, Current Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Other long-term liabilities Other Liabilities [Table Text Block] Office equipment Office Equipment [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Stock options Stock options, unexercised—vested and unvested Share-Based Payment Arrangement, Option [Member] Other non-current assets Increase (Decrease) in Other Noncurrent Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Exercise of vested stock options Stock Issued During Period, Value, Stock Options Exercised Term loan, net Long-Term Debt Other income (expense), net Other Nonoperating Income (Expense) Interest rate Line of Credit Facility, Interest Rate During Period Term loan, net Long-Term Debt, Excluding Current Maturities Original issue price (usd per share) Sale of Stock, Price Per Share Common stock, authorized (shares) Common Stock, Shares Authorized Change in fair value of equity warrants issued by licensee Change in fair value of equity warrants issued by licensee Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Total liabilities Liabilities Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Income taxes payable Accrued Income Taxes, Current Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Total operating expenses Operating Expenses Cash Flows From Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Restricted stock units—unvested Share-Based Payment Arrangement, Equity Instruments Other Than Options, Restricted Stock Units, Unvested [Member] Share-Based Payment Arrangement, Equity Instruments Other Than Options, Restricted Stock Units, Unvested Stock options reserved for future grant (shares) Common Stock, Capital Shares Reserved for Future Issuance, Effect Of Stock Awards Available For Future Grant Common Stock, Capital Shares Reserved for Future Issuance, Effect Of Stock Awards Available For Future Grant Issuance of common stock upon follow-on public offering, net of issuance costs of $5,246 Stock Issued During Period, Value, New Issues Number of leases Lessee, Operating Lease, Number Of Lease Contracts Lessee, Operating Lease, Number Of Lease Contracts Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Sales-Based Milestone Sales Milestone [Member] Sales Milestone License fees and Collaboration License And Collaboration [Member] License And Collaboration Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Total current assets Assets, Current License agreement Collaborative Arrangement, Transaction with Party to Collaborative Arrangement [Member] Property and equipment, net of accumulated depreciation Property, Plant and Equipment [Table Text Block] Preferred stock, issued (shares) Preferred Stock, Shares Issued Document Type Document Type Entity Smaller Reporting Company Entity Small Business Accumulated amortization of debt issuance costs Accumulated Amortization, Debt Issuance Costs Stockholders' Equity and Equity Incentive Plans Stockholders' Equity Note Disclosure [Text Block] Revenues: Revenues [Abstract] Issuance of common stock upon in-license agreement milestone achievement Issuance of Stock and Warrants for Services or Claims Credit Facility Agreement Debt Disclosure [Text Block] Credit Facility, Tranche Two Credit Facility, Tranche Two [Member] Credit Facility, Tranche Two Clinical milestones Clinical Milestones [Member] Clinical Milestones Summary of Significant Accounting Policies and Use of Estimates Significant Accounting Policies [Text Block] Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Accretion of end of term charge Amortization of Debt Discount (Premium) 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Credit Facility, Tranche Five Credit Facility, Tranche Five [Member] Credit Facility, Tranche Five Number of vested warrants Number Of Vested Warrants Number Of Vested Warrants Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] End of term charge, interest rate Line of Credit Facility, Periodic Payment, Interest Rate Line of Credit Facility, Periodic Payment, Interest Rate Accounts receivable Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Revaluation of equity warrants Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Document Period End Date Document Period End Date Stock options exercised prior to vesting— remaining unvested Share-based Payment Arrangement, Early-Exercised Option [Member] Share-based Payment Arrangement, Early-Exercised Option Debt Instrument [Line Items] Debt Instrument [Line Items] Follow-On Public Offering Follow-On Public Offering [Member] Follow-On Public Offering Payment of term loan issuance costs Payments of Debt Issuance Costs Present value of operating lease payments Present value of operating lease payments Operating Lease, Liability Total assets Assets Debt Disclosure [Abstract] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Axis] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Accounts payable and accrued liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Additional shares to be issued upon 18-month anniversary of contract execution (shares) Additional Stock To Be Issued On Eighteen Month Agreement Anniversary, Shares, Issued for Services Additional Stock To Be Issued On Eighteen Month Agreement Anniversary, Shares, Issued for Services Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Long-term investments Long-Term Investments Total interest expense related to term loan Interest Expense, Debt Stock issued (up to) Stock issued, net proceeds Sale of Stock, Consideration Received on Transaction Accrued payroll and benefits Employee-related Liabilities, Current Variable lease cost Variable Lease, Cost Line of Credit Line of Credit [Member] Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Amortization and accretion of term loan-related costs Amortization of Debt Issuance Costs and Discounts Net (Loss) Income Per Share Earnings Per Share [Text Block] Common stock awards reserved for future issuance under the 2020 Employee Stock Purchase Plan Common Stock, Capital Shares Reserved for Future Issuance, Employee Stock Purchase Plan Common Stock, Capital Shares Reserved for Future Issuance, Employee Stock Purchase Plan Other receivables Increase (Decrease) in Other Receivables Less: undistributed income reallocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Balance Sheet Account Detail Supplemental Balance Sheet Disclosures [Text Block] Entity Filer Category Entity Filer Category Elanco Elanco [Member] Elanco Proceeds from issuance of common stock upon follow-on public offering, net of paid issuance costs Proceeds from Issuance of Common Stock Weighted-average shares outstanding, basic (shares) Basic weighted average shares outstanding (shares) Basic weighted average shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Award Type [Domain] Award Type [Domain] Proceeds from sale of common stock under employee stock purchase plan Proceeds from Stock Plans Clinical development milestones Clinical Development Milestones [Member] Clinical Development Milestones Financial instruments measured at fair value Fair Value, by Balance Sheet Grouping [Table Text Block] Total stock-based compensation Share-Based Payment Arrangement, Expense Supplemental Disclosures Noncash Investing and Financing Activities: Noncash Investing and Financing Items [Abstract] Commitments and contingencies (Note 8) Commitments and Contingencies Security Exchange Name Security Exchange Name Entity Registrant Name Entity Registrant Name Issuance of common stock upon follow-up public offering, net of issuance costs (shares) Stock Issued During Period, Shares, New Issues Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] #REF! Preferred Stock, Value, Issued Credit Facility, Tranche One Credit Facility, Tranche One [Member] Credit Facility, Tranche One Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Shares issued as consideration for in-license rights Stock issued for in-license agreements included within "research and development" expense Common stock issued for license agreement, value Stock Issued During Period, Value, Issued for Services Balances of Debt, Debt Issuance Costs, and Accumulated Accretion Schedule of Debt [Table Text Block] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] General and administrative General and Administrative Expense [Member] Entity Address, City or Town Entity Address, City or Town Changes in fair value of equity warrants Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Total shares of common stock reserved (in shares) Total shares of common stock reserved (shares) Common Stock, Capital Shares Reserved for Future Issuance Operating expenses: Operating Expenses [Abstract] Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Upfront payment received Upfront Payment Upfront Payment Common stock, subject to repurchase (shares) Common Stock, Shares Subject To Repurchase Common Stock, Shares Subject To Repurchase Lease asset and liability accounts Schedule of Lease Asset and Liability Accounts [Table Text Block] Schedule of Lease Asset and Liability Accounts Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Commitments and Contingencies Disclosure [Abstract] Equity securities (in shares) Equity Securities, FV-NI, Number Of Shares Equity Securities, FV-NI, Number Of Shares Fair Value Measurements Fair Value Disclosures [Text Block] Common stock issued for license agreement, share price (usd per share) Share Price Total liabilities and stockholders’ equity Liabilities and Equity Trading Symbol Trading Symbol Entity File Number Entity File Number Unrealized gain from transactions denominated in a foreign currency Foreign Currency Transaction Gain (Loss), Unrealized Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Amortization of debt issuance costs Amortization of Debt Issuance Costs Trade accounts payable and other Accounts Payable, Trade, Current Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Less: undistributed income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Common stock options (shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Diluted EPS Earnings Per Share, Diluted [Abstract] Accrued interest, current Interest Payable, Current Research and development Research and Development Expense Total revenues Sales [Member] Other income (expense), net Nonoperating Income (Expense) [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date (Less): Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Marketable securities Marketable Securities, Current Drug Supply Agreement Milestone Drug Supply Agreement Milestone [Member] Drug Supply Agreement Milestone Net (loss) income available to common shareholders Net Income (Loss) Available to Common Stockholders, Diluted Laboratory equipment Other Machinery and Equipment [Member] Net (loss) income per share, diluted (usd per share) Earnings Per Share, Diluted Sale of Stock [Domain] Sale of Stock [Domain] Money market funds Cash and Cash Equivalents, Fair Value Disclosure License fees License and Service [Member] Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Stock issued, issuance costs Payments of Stock Issuance Costs Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Stock details Schedule of Stock by Class [Table Text Block] Other assets Schedule of Other Assets [Table Text Block] Recognition of stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Prime Rate Prime Rate [Member] Total revenues Revenues LianBio LianBio [Member] LianBio Total current liabilities Liabilities, Current 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Deferred offering costs included within "accounts payable and accrued liabilities" Deferred Offering Costs Incurred But Not Yet Paid, Included In Accounts Payable And Accrued Liabilities Deferred Offering Costs Incurred But Not Yet Paid, Included In Accounts Payable And Accrued Liabilities Restricted stock units outstanding under 2020 Equity Incentive Plan Common Stock, Capital Shares Reserved for Future Issuance, Effect Of Restricted Stock Units Available For Future Grant Common Stock, Capital Shares Reserved for Future Issuance, Effect Of Restricted Stock Units Available For Future Grant Equity warrant rights Equity Warrant Rights Equity Warrant Rights "Interest expense" paid in cash Interest Paid, Excluding Capitalized Interest, Operating Activities Entity Ex Transition Period Entity Ex Transition Period Lapse of repurchase obligation for stock option exercises, prior to vesting Stock Issued During Period, Value, Lapse Of Repurchase Rights Stock Issued During Period, Value, Lapse Of Repurchase Rights Net (loss) per share, basic (usd per share) Earnings Per Share, Basic Shares issued as consideration for in-license rights (shares) Common stock issued for license agreement (shares) Stock Issued During Period, Shares, Issued for Services 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Other (expense) income: Nonoperating Income (Expense) [Abstract] Unrealized loss on equity investments Unrealized loss on equity investments Equity Securities, FV-NI, Unrealized Gain (Loss) Future contractual lease payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Number of tranches Warrant Agreement, Number of Tranches Warrant Agreement, Number of Tranches Deferred offering costs included within "additional-paid in capital" Deferred Offering Costs Incurred But Not Yet Paid, Included In Additional Paid In Capital Deferred Offering Costs Incurred But Not Yet Paid, Included In Additional Paid In Capital Cost of license fees and collaboration revenue Cost of Revenue Counterparty Name [Domain] Counterparty Name [Domain] Total stockholders’ equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Underwriters' option Over-Allotment Option [Member] Product and Service [Axis] Product and Service [Axis] Lease Contractual Term [Axis] Lease Contractual Term [Axis] Fair Value Disclosures [Abstract] Milestone payment achieved Collaborative Arrangement, Milestone Payment Collaborative Arrangement, Milestone Payment Entity Interactive Data Current Entity Interactive Data Current Stock issued (shares) Sale of Stock, Number of Shares Issued in Transaction Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Deposits Deposit Assets Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Other long-term assets Other Assets, Miscellaneous, Noncurrent Irvine office and laboratory facility Irvine Office And Facilities Lease [Member] Irvine Office And Facilities Lease Money market funds Money Market Funds [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Equity [Abstract] Accumulated Deficit Retained Earnings [Member] Other receivables Other Receivables, Net, Current Entity Tax Identification Number Entity Tax Identification Number Total lease cost Lease, Cost Common Stock Common Stock [Member] Stock-based compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Components of lease cost Lease, Cost [Table Text Block] Number of reportable segments Number of Reportable Segments Revenue Revenue [Policy Text Block] Marketable Securities and Long-Term Investments Marketable Securities, Policy [Policy Text Block] Statement [Table] Statement [Table] Document Quarterly Report Document Quarterly Report Furniture and fixtures Furniture and Fixtures [Member] Current assets: Assets, Current [Abstract] Operating lease liability, non-current Operating Lease, Liability, Noncurrent Number of employment arrangements with executive officers Number Of Employment Arrangements With Executive Officers Number Of Employment Arrangements With Executive Officers Net increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Leasehold improvements Leasehold Improvements [Member] Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Increments to draw on credit facility at company's election Line of Credit Facility, Draw Down Increments Line of Credit Facility, Draw Down Increments Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Equity Components [Axis] Equity Components [Axis] Research and Development Costs Research and Development Expense, Policy [Policy Text Block] Out-License Agreement Collaborative Arrangement Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Comprehensive (Loss) Income Comprehensive Income, Policy [Policy Text Block] Operating Segment Segment Reporting, Policy [Policy Text Block] Concentration of Credit Risk and Other Risks and Uncertainties Concentration Risk, Credit Risk, Policy [Policy Text Block] Interest (expense) income, net Interest Income (Expense), Nonoperating, Net Document Fiscal Year Focus Document Fiscal Year Focus Accounts payable and other accrued liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Cash Flows From Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] City Area Code City Area Code General and administrative General and Administrative Expense Statement [Line Items] Statement [Line Items] ASSETS Assets: Assets [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Accounts payable and other accrued liabilities Accounts payable and other accrued liabilities Accounts Payable and Other Accrued Liabilities, Current End of term charge Line of Credit Facility, Periodic Payment, Interest Total other expense, net Nonoperating Income (Expense) Variable Rate [Domain] Variable Rate [Domain] Statement of Stockholders' Equity [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Sale of Stock [Axis] Sale of Stock [Axis] Development and Regulatory Milestone Development And Regulatory Milestone [Member] Development And Regulatory Milestone Fair value, beginning of period Fair value, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Cash Flows From Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Net (Loss) Income per Share Earnings Per Share, Policy [Policy Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Commercial and sales milestones Commercial And Sales Milestones [Member] Commercial And Sales Milestones Variable Rate [Axis] Variable Rate [Axis] Other long-term liabilities Other long-term liabilities Other Liabilities, Noncurrent Document Transition Report Document Transition Report Local Phone Number Local Phone Number Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment (Loss) income from operations before other (expense) income and income taxes Operating Income (Loss) Research and development Research and Development Expense [Member] Equity warrants in LianBio (included in "other assets") Equity Warrants, Fair Value Disclosure Equity Warrants, Fair Value Disclosure Recently Issued or Effective Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Accretion of end of term charge Debt Instrument, Unamortized Discount (Premium), Net Net (loss) income per share, basis and diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Effective interest rate Line of Credit Facility, Interest Rate at Period End Effect of dilutive securities: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Credit Facility, Tranche Four Credit Facility, Tranche Four [Member] Credit Facility, Tranche Four Common stock, outstanding (shares) Beginning balance (shares) Ending balance (shares) Common Stock, Shares, Outstanding Description of Business and Presentation of Financial Statements Business Description and Basis of Presentation [Text Block] Employee stock option pre-vesting exercise liability Deferred Compensation Share-Based Arrangements, Liability, Current Lotilaner licensor liability Derivative Liability, Noncurrent