Entity Central Index Key Document - Document and Entity Information [Abstract] Document Document And Entity Information [Abstract] Document Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Annual Report Document Annual Report Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Interactive Data Current Entity Interactive Data Current Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Current Reporting Status Entity Current Reporting Status Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Ex Transition Period Entity Ex Transition Period Entity Incorporation, State or Country Code Entity Incorporation State Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding ICFR Auditor Attestation Flag Icfr Auditor Attestation Flag Entity Public Float Entity Public Float Auditor Firm ID Auditor Firm Id Auditor Name Auditor Name Auditor Location Auditor Location Statement Of Financial Position [Abstract] Statement [Table] Statement [Table] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Voting common stock. Voting Common Stock Voting Common Stock [Member] Non-voting Common Stock Nonvoting Common Stock [Member] Statement [Line Items] Statement [Line Items] Assets Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Marketable securities Marketable Securities Current Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Restricted cash Restricted Cash Property and equipment, net Property Plant And Equipment Net Right-of-use asset Operating Lease Right Of Use Asset Other assets Other Assets Total assets Assets Liabilities and stockholders’ equity Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued expenses and other current liabilities Accrued Liabilities Current Operating lease liability Operating Lease Liability Current Total current liabilities Liabilities Current Other liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments (note 8) Commitments And Contingencies Stockholders’ equity: Stockholders Equity [Abstract] Common stock Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares, issued Common Stock Shares Issued Common stock, shares, outstanding Common Stock Shares Outstanding Income Statement [Abstract] Operating expenses: Operating Expenses [Abstract] Research and development Research And Development Expense General and administrative General And Administrative Expense Total operating expenses Operating Expenses Loss from operations Operating Income Loss Other income, net Other Nonoperating Income Expense Net loss Net Income Loss Per share information: Earnings Per Share [Abstract] Net loss per share of common stock, basic and diluted Earnings Per Share Basic And Diluted Weighted average common shares outstanding, basic and diluted Weighted Average Number Of Share Outstanding Basic And Diluted Comprehensive loss Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Net loss Unrealized gain (loss) on marketable securities, net of tax Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent Comprehensive loss Comprehensive Income Net Of Tax Temporary equity stock converted during period value. Statement Of Stockholders Equity [Abstract] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid In Capital [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income [Member] Accumulated Deficit Retained Earnings [Member] Series A convertible preferred stock. Series A Convertible Preferred Stock Series A Convertible Preferred Stock [Member] Series B convertible preferred stock. Series B Convertible Preferred Stock Series B Convertible Preferred Stock [Member] Series C convertible preferred stock. Series C Convertible Preferred Stock Series C Convertible Preferred Stock [Member] Convertible preferred stock, Beginning balance Temporary Equity Carrying Amount Attributable To Parent Convertible preferred stock, Beginning balance (shares) Temporary Equity Shares Outstanding Beginning balance Beginning balance (shares) Shares Outstanding Issuance of common stock upon exercise of stock options Stock Issued During Period Value Stock Options Exercised Issuance of common stock upon exercise of stock options, (shares) Stock Issued During Period Shares Stock Options Exercised Sale of stock, net of offering costs Stock Issued During Period Value New Issues Sale of stock, net of offering costs, (shares) Stock Issued During Period Shares New Issues Issuance of common stock under ESPP Stock Issued During Period Value Employee Stock Purchase Plan Issuance of common stock under ESPP, (shares) Stock Issued During Period Shares Employee Stock Ownership Plan Sale of convertible preferred stock, net of issuance costs Temporary Equity Stock Issued During Period Value New Issues Temporary equity stock issued during period shares new issues. Sale of convertible preferred stock, net of issuance costs (shares) Temporary Equity Stock Issued During Period Shares New Issues Conversion of convertible preferred stock upon initial public offering Temporary Equity Stock Converted During Period Value Temporary equity stock converted during period shares. Conversion of convertible preferred stock upon initial public offering (shares) Temporary Equity Stock Converted During Period Shares Stock-based compensation expense, including issuance of RSAs Stock Issued During Period Value Share Based Compensation Stock-based compensation expense, including issuance of RSAs (shares) Stock Issued During Period Shares Share Based Compensation Ending balance Ending balance (shares) Payments of offering costs. Sale of common stock, offering costs Payments Of Offering Costs Increase decrease in operating lease liabilities. Unrealized gain (loss) on marketable securities. Offering costs in accrued expenses. Offering costs in accounts payable. Statement Of Cash Flows [Abstract] Series B Convertible Preferred Stock Cash flows used in operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Net loss Profit Loss 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] Depreciation and amortization Depreciation Depletion And Amortization Noncash lease expense Operating Lease Right Of Use Asset Amortization Expense Loss on disposal of property and equipment Gain Loss On Sale Of Property Plant Equipment Stock-based compensation Share Based Compensation Amortization of premium and discount on marketable securities, net Accretion Amortization Of Discounts And Premiums Investments Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Accounts payable Increase Decrease In Accounts Payable Accrued expenses and other liabilities Increase Decrease In Accrued Liabilities And Other Operating Liabilities Operating lease liabilities Increase Decrease In Operating Lease Liabilities Net cash used in operating activities Net Cash Provided By Used In Operating Activities Cash flows used in investing activities: Net Cash Provided By Used In Investing Activities [Abstract] Purchases of marketable securities Payments To Acquire Marketable Securities Purchases of property and equipment Payments To Acquire Property Plant And Equipment Net cash used in investing activities Net Cash Provided By Used In Investing Activities Cash flows provided by financing activities: Net Cash Provided By Used In Financing Activities [Abstract] Proceeds from the sale of common stock, net of offering costs Proceeds From Issuance Of Common Stock Proceeds from the issuance of common stock upon initial public offering, net of offering costs Proceeds From Issuance Initial Public Offering Proceeds from the sale of convertible preferred stock, net of offering costs Proceeds From Issuance Of Convertible Preferred Stock Payment of offering costs Payments Of Stock Issuance Costs Payment of capital lease obligation Repayments Of Long Term Capital Lease Obligations Proceeds from issuance of common stock in connection with the exercise of stock options Proceeds From Stock Options Exercised Proceeds from the issuance of common stock under ESPP Proceeds From Stock Plans Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Net (decrease) increase in cash and cash equivalents Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash, cash equivalents and restricted cash at beginning of year Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Cash, cash equivalents and restricted cash at end of year Supplemental disclosures: Supplemental Cash Flow Information [Abstract] Operating lease right-of-use assets obtained in exchange for operating lease liabilities Right Of Use Asset Obtained In Exchange For Operating Lease Liability Property and equipment in accounts payable Capital Expenditures Incurred But Not Yet Paid Unrealized gain (loss) on marketable securities Unrealized Gain Loss On Marketable Securities Offering costs in accrued expenses Offering Costs In Accrued Expenses Offering costs in accounts payable Offering Costs In Accounts Payable Documents Incorporated by Reference Documents Incorporated By Reference [Text Block] Organization Consolidation And Presentation Of Financial Statements [Abstract] Nature of Operations Nature Of Operations Risks and liquidity. Risks and liquidity. Risks And Liquidity [Abstract] Risks and Liquidity Risks And Liquidity [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Investments Debt And Equity Securities [Abstract] Investments Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Property Plant And Equipment [Abstract] Property and Equipment Property Plant And Equipment Disclosure [Text Block] Accrued expenses and other current liabilities. Payables And Accruals [Abstract] Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Current Liabilities [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments Commitments Disclosure [Text Block] Equity [Abstract] Convertible Preferred Stock and Common Stock Stockholders Equity Note Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock-Based Compensation Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Basis of presentation Basis Of Accounting Policy Policy [Text Block] Use of estimates Use Of Estimates Concentration of Credit Risk Concentration Risk Credit Risk Segment Information Segment Reporting Policy Policy [Text Block] Fair Value of Financial Instruments Fair Value Of Financial Instruments Policy Cash, Cash Equivalents and Restricted Cash Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Marketable Securities Marketable Securities Policy Property and Equipment Property Plant And Equipment Policy [Text Block] Comprehensive Loss Comprehensive Income Policy Policy [Text Block] Stock-Based Compensation Compensation Related Costs Policy [Text Block] Tax credit. Grant Income and Research and Development Tax Credits Tax Credit Policy [Text Block] Research and Development Research And Development Expense Policy Income taxes Income Tax Policy [Text Block] Net Loss Per Share Earnings Per Share Policy [Text Block] Recently Issued Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Schedule of Reconciliation of Cash and Cash Equivalents and Restricted Cash Schedule Of Cash And Cash Equivalents Table [Text Block] Property, Plant and Equipment, Useful Life [Table Text Block] Schedule of Property Plant and Equipment Useful Life Property Plant And Equipment Useful Life Table [Text Block] Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Weighted-average Shares of Common Stock Outstanding Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Schedule of Marketable Securities Marketable Securities [Text Block] Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Schedule of Property and Equipment Property Plant And Equipment [Text Block] Schedule of accrued expenses and other current liabilities. Summary of Accrued Expenses and Other Current Liabilities Schedule Of Accrued Expenses And Other Current Liabilities Table [Text Block] Lease Contractual Term Lease Contractual Term [Axis] Lease Contractual Term Lease Contractual Term [Domain] Operating lease expiring december 2022. Operating Lease Expiring December 2022 Operating Lease Expiring December2022 [Member] Chestnut run lease. Chestnut Run Lease Chestnut Run Lease [Member] Schedule of Future Minimum Lease Payments Under Lease Lessee Operating Lease Liability Maturity Table [Text Block] Schedule of Stock-Based Compensation Expense Recorded in Statements of Operations Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block] Summary of Stock Option Activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Information about Stock Options Outstanding Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Text Block] Schedule of Fair Value of Each Option Estimated on Date of Grant Using Weighted Average Assumptions Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Summary of Activity related to RSA Stock-Based Payment Awards Nonvested Restricted Stock Shares Activity Table [Text Block] Summary of Activity related to RSU Stock-Based Payment Awards Schedule Of Nonvested Restricted Stock Units Activity Table [Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule Of Deferred Tax Assets And Liabilities Table [Text Block] Schedule of Reconciliation of the Federal Income tax Rate to Effective Tax Rate Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block] Schedule of federal state and local net operating losses and research tax credits. Schedule of Federal and State Net Operating Losses and Research Tax Credits Schedule Of Federal State And Local Net Operating Losses And Research Tax Credits Table [Text Block] Total cash, cash equivalents, and restricted cash shown in statement of cash flows Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Summary of significant accounting policies. Summary of significant accounting policies. Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Minimum Minimum [Member] Maximum Maximum [Member] Accounting Standards Update Adjustments For New Accounting Pronouncements [Axis] Accounting Standards Update Type Of Adoption [Member] ASU 2016-02 Accounting Standards Update201602 [Member] Summary of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Depreciation expense description Property Plant And Equipment Depreciation Methods Property, plant and equipment, useful life Property Plant And Equipment Useful Life Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Long-Lived Tangible Asset Property Plant And Equipment By Type [Axis] Long-Lived Tangible Asset Property Plant And Equipment Type [Domain] Lab equipment Equipment [Member] Furniture and fixtures Furniture And Fixtures [Member] Property, Plant and Equipment [Line Items] Property Plant And Equipment [Line Items] Percentage of tax benefit recognized upon settlement Effective Income Tax Rate Reconciliation Tax Settlements Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Unvested Restricted Stock Awards Restricted Stock [Member] Unvested Restricted Stock Units Restricted Stock Units R S U [Member] Stock Options Employee Stock Option [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Change in accounting principle, ASU, adopted Change In Accounting Principle Accounting Standards Update Adopted Change in accounting principle, ASU, adoption date Change In Accounting Principle Accounting Standards Update Adoption Date Change in accounting principle, ASU, immaterial effect Change In Accounting Principle Accounting Standards Update Immaterial Effect Offset accrued expense and other current liabilities to eliminate deferred rent. Operating lease liability Operating Lease Liability Offset accrued expense and other current liabilities to eliminate deferred rent Offset Accrued Expense And Other Current Liabilities To Eliminate Deferred Rent Available for sale debt securities accumulated gross unrealized gain net of tax. Available for sale debt securities accumulated gross unrealized loss net of tax. Marketable Securities [Table] Marketable Securities [Table] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Corporate Debt Securities Corporate Debt Securities [Member] Commercial Paper Commercial Paper [Member] Marketable Securities [Line Items] Marketable Securities [Line Items] Marketable securities, Amortized cost Available For Sale Debt Securities Amortized Cost Basis Marketable securities, Gross unrealized gain Available For Sale Debt Securities Accumulated Gross Unrealized Gain Net Of Tax Marketable securities, Gross unrealized loss Available For Sale Debt Securities Accumulated Gross Unrealized Loss Net Of Tax Marketable securities, Fair value Available For Sale Securities Debt Securities Current Number of marketable securities Debt Securities Available For Sale Unrealized Loss Position Number Of Positions Securities fair market value unrealized loss position Debt Securities Available For Sale Unrealized Loss Position Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value Inputs Level1 [Member] Significant other observable inputs (Level 2) Fair Value Inputs Level2 [Member] Significant unobservable inputs (Level 3) Fair Value Inputs Level3 [Member] Cash and Cash Equivalents Cash And Cash Equivalents [Axis] Cash and Cash Equivalents Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Money Market Funds Money Market Funds [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair value measurement, recurring basis, assets Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value Leasehold improvements Leasehold Improvements [Member] Construction in progress Construction In Progress [Member] Property, plant and equipment, gross Property Plant And Equipment Gross Less accumulated depreciation Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and equipment, net Capital Lease Term Interest Expense Percentage Assets Under Capital Lease Lease term Capital Lease Term Capital lease Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization Effective interest percentage Interest Expense Percentage Assets Under Capital Lease Accumulated amortization related to the capital lease Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization Lease payments under capital lease Finance Lease Liability Payments Due Accrued research and development liabilities, current. Compensation and related benefits Employee Related Liabilities Current Research and development Accrued Research And Development Liabilities Current Other Other Accrued Liabilities Current Accrued expenses and other current liabilities Operating lease estimated incremental borrowing rate percent. Other Commitments [Table] Other Commitments [Table] Short-term Debt, Type Short Term Debt Type [Axis] Short-term Debt, Type Short Term Debt Type [Domain] Letter of Credit Letter Of Credit [Member] Scenario Statement Scenario [Axis] Scenario Scenario Unspecified [Domain] Pro Forma Pro Forma [Member] Short-term lease. Short-Term Lease Short Term Lease [Member] Collaborative Arrangement and Arrangement Other than Collaborative Type Of Arrangement [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Arrangements And Nonarrangement Transactions [Member] Darwin Health, Inc. DarwinHealth Darwin Health Inc [Member] Other Commitments [Line Items] Other Commitments [Line Items] Lease renewal period Lessee Operating Lease Renewal Term Lessee, operating lease, option to extend Lessee Operating Lease Option To Extend Operating lease estimated incremental borrowing rate percent Operating Lease Estimated Incremental Borrowing Rate Percent Lease liability. Lease liability. Lease Liability [Table] Lease Liability [Table] Lease Liability [Line Items] Lease Liability [Line Items] 2022 Lessee Operating Lease Liability Payments Due Next Twelve Months Total undiscounted lease payments Lessee Operating Lease Liability Payments Due Less imputed interest Lessee Operating Lease Liability Undiscounted Excess Amount Area of lease premises. Initial term of lease. Number of lease extensions. Aggregate estimated rent payments due over initial term. Area of lease premises Area Of Lease Premises Initial term of lease Initial Term Of Lease Number of lease extensions Number Of Lease Extensions Aggregate estimated rent payments due over initial term Aggregate Estimated Rent Payments Due Over Initial Term 2023 Lessee Operating Lease Liability Payments Due Year Two 2024 Lessee Operating Lease Liability Payments Due Year Three 2025 Lessee Operating Lease Liability Payments Due Year Four 2026 Lessee Operating Lease Liability Payments Due Year Five Thereafter Lessee Operating Lease Liability Payments Due After Year Five Security deposit Security Deposit Non cancellable lease period. Lease commencement date. Non cancellable lease period Non Cancellable Lease Period Lease commencement date Lease Commencement Date Lease expiration date Lease Expiration Date1 Operating lease payments due in 2022 Rent expense Operating Lease Expense Defined contribution plan, maximum annual contributions per employee, percent Defined Contribution Plan Maximum Annual Contributions Per Employee Percent Defined contribution plan, employer matching contribution, percent of employee's gross pay Defined Contribution Plan Employer Matching Contribution Percent Defined contribution plan, employer discretionary contribution amount Defined Contribution Plan Employer Discretionary Contribution Amount Estimated number of year research collaboration agreement. Estimated amount of payment over a agreement term in three equal installments. Number of equal instalments. Research term. Grace period for potential refund. Potential refund receivable from agreement. Estimated years of research collaboration agreement Estimated Number Of Year Research Collaboration Agreement Estimated amount of payment over a agreement term Estimated Amount Of Payment Over Agreement Term In Three Equal Installments Number of equal instalments Number Of Equal Instalments Research term Research Term Agreement is eligible to receive payment in future research, development and regulatory milestones Research And Development Arrangement Contract To Perform For Others Costs Incurred Gross Grace period following research term for potential refund Grace Period For Potential Refund Potential refund receivable from agreement Potential Refund Receivable From Agreement Temporary equity price per share. Class Of Stock Disclosures [Abstract] Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] IPO I P O [Member] Follow-on offering. Follow-on Offering Follow On Offering [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Convertible preferred stock, shares issued Temporary Equity Shares Issued Convertible preferred stock, price per share Temporary Equity Price Per Share Net proceeds from issuance of preferred stock Temporary equity additional shares issuable. Additional shares issuable Temporary Equity Additional Shares Issuable Sale of common stock in initial public offering Public offering price Sale Of Stock Price Per Share Convertible preferred stock converted into common stock Convertible Preferred Stock Shares Issued Upon Conversion Number of shares sold Sale Of Stock Number Of Shares Issued In Transaction Beneficial ownership percentage. Common stock, voting rights Common Stock Voting Rights Beneficial ownership percentage Beneficial Ownership Percentage Number of equity incentive plans. Percentage of shares outstanding used to calculate annual increase in number of shares that can be issued. Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Vesting Vesting [Axis] Vesting Vesting [Domain] Vesting After One Year Share Based Compensation Award Tranche One [Member] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Two thousand twenty equity incentive plan. 2020 Equity Incentive Plan Two Thousand Twenty Equity Incentive Plan [Member] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted Stock Awards Restricted Stock Units Two thousand twenty employee stock purchase plan. 2020 Employee Stock Purchase Plan Two Thousand Twenty Employee Stock Purchase Plan [Member] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Number of equity incentive plans Number Of Equity Incentive Plans Number of shares authorized Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Number of shares available for future grants Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Terms of award Share Based Compensation Arrangement By Share Based Payment Award Terms Of Award Award term Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Percentage of shares outstanding used to calculate annual increase in number of shares that can be issued Percentage Of Shares Outstanding Used To Calculate Annual Increase In Number Of Shares That Can Be Issued Award vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Percentage of stock options vested Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Research and Development Research And Development Expense [Member] General and Administrative General And Administrative Expense [Member] Stock-based compensation expense Allocated Share Based Compensation Expense Number of shares, Outstanding at beginning of period Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Number of shares, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Number of shares, Exercised Number of shares, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Number of shares, Outstanding at end of period Number of shares, Exercisable at December 31, 2021 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Weighted average exercise price per share, Outstanding at beginning of period Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted average exercise price per share, Granted Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted average exercise price per share, Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted average exercise price per share, Forfeited Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted average exercise price per share, Outstanding at end of period Weighted average exercise price per share, Exercisable at December 31, 2021 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted average remaining contractual term (years), Outstanding Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Weighted average remaining contractual term (years), Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Aggregate intrinsic value of outstanding options Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Aggregate intrinsic value of exercisable options Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Exercise Price Range Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Axis] Exercise Price Range Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Domain] Exercise price range one. $0.31 - $7.37 Exercise Price Range One [Member] Exercise price range two. $7.38 - $13.08 Exercise Price Range Two [Member] Exercise price range three. $13.09 - $31.30 Exercise Price Range Three [Member] Exercise price range four. $31.31 - $88.98 Exercise Price Range Four [Member] Range of Exercise Prices, Minimum Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit Range of Exercise Prices, Maximum Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit Options Outstanding, Number Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options Options Outstanding, Weighted Average Remaining Contractual Life (in years) Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 Options Outstanding, Weighted Average Exercise Price Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 Options Exercisable, Number Exercisable Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options Options Exercisable, Weighted Average Exercise Price Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 Weighted-average grant date fair value of options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Aggregate intrinsic value of options exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Total unrecognized compensation expense related to unvested stock option awards Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Total unrecognized compensation expense, weighted-average period Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Expected life (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 Expected dividend yield Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Number of shares, Unvested balance at beginning of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Number of shares, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Number of shares, Vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of shares, Unvested balance at end of period Weighted-average grant date fair value, Unvested balance at beginning of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Weighted-average grant date fair value, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Weighted-average grant date fair value, Vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Weighted-average grant date fair value, Unvested balance at end of period Share-based payment arrangement, nonvested award, unrecognized expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Number of shares, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Weighted-average grant date fair value, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Shares issued Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period Eligible employees contribution percentage. Participants accrue rights to purchase maximum common stock amount. Eligible employees purchase common stock percentage of lower of fair market value Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Percent Eligible employees contribution percentage Eligible Employees Contribution Percentage Participants accrue rights to purchase maximum common stock amount Participants Accrue Rights To Purchase Maximum Common Stock Amount Deferred tax assets tax deferred expense lease liabilities. Deferred tax liabilities right of use assets. Deferred Tax Liabilities, Depreciation Deferred tax assets: Deferred Tax Assets Net [Abstract] Net operating loss carryforwards Deferred Tax Assets Operating Loss Carryforwards Research and development credits Deferred Tax Assets In Process Research And Development Stock-based compensation Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost Accrued expense Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities Lease liabilities Deferred Tax Assets Tax Deferred Expense Lease Liabilities Gross deferred tax assets Deferred Tax Assets Gross Less: valuation allowance Deferred Tax Assets Valuation Allowance Total deferred tax asset Deferred Tax Assets Net Deferred tax liability Deferred Tax Liabilities [Abstract] Right-of-use assets Deferred Tax Liabilities Right Of Use Assets Depreciation Deferred Tax Liabilities Depreciation Total deferred tax liabilities Deferred Income Tax Liabilities Net deferred tax assets Deferred Tax Assets Liabilities Net Income Tax Disclosure [Line Items] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Authority, Name Income Tax Authority Name [Axis] Income Tax Authority, Name Income Tax Authority Name [Domain] Internal Revenue Service (IRS) Internal Revenue Service I R S [Member] Delaware [Member] Delaware Delaware [Member] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Deferred tax assets, valuation allowance increase Valuation Allowance Deferred Tax Asset Change In Amount Effective Income Tax Rate Reconciliation, Percent [Abstract] Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract] Federal tax benefit at statutory rate Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate State tax, net of federal benefit Effective Income Tax Rate Reconciliation State And Local Income Taxes Permanent differences Effective Income Tax Rate Reconciliation Other Adjustments Research and development Effective Income Tax Rate Reconciliation Tax Credits Research Change in valuation allowance Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance Effective tax rate Effective Income Tax Rate Continuing Operations Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Income Tax Authority Income Tax Authority [Axis] Income Tax Authority Income Tax Authority [Domain] Federal Domestic Country [Member] State State And Local Jurisdiction [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] NOL carryforwards Research tax credits Deferred Tax Assets Tax Credit Carryforwards Research Tax Credit Carryforward, Expiration Year Research and development tax credits Tax credits expiration year Tax Credit Carryforward Expiration Year NOL and tax credit carryforwards Tax Credit Carryforward Description Accrued interest related to uncertain tax positions Unrecognized Tax Benefits Interest On Income Taxes Accrued Accrued penalties related to uncertain tax positions Unrecognized Tax Benefits Income Tax Penalties Accrued Interest related to uncertain tax positions Unrecognized Tax Benefits Interest On Income Taxes Expense Penalties related to uncertain tax positions Unrecognized Tax Benefits Income Tax Penalties Expense