Document and Entity Information [Abstract] Document Type Document Annual Report Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address State Or Province Entity Address, Address Line One Entity Address, City or Town Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Entity Shell Company Entity Public Float Entity Common Stock, Shares Outstanding Auditor Name Auditor Firm ID Auditor Location Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Bristol-Myers Squibb Collaboration Assets [Abstract] Assets Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents Short-term Investments Short-term investments Carrying value of escrow deposits that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter. Escrow Deposits, Current Escrow deposits, current Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Operating lease right-of-use asset, net Restricted Cash, Noncurrent Restricted cash Cash on deposit Long-term Investments Long-term investments Deposits Assets, Noncurrent Security deposits and non-current assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and stockholders' equity Liabilities, Current [Abstract] Current liabilities Accounts Payable, Current Accounts payable Accounts payable Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer) Accrued Expenses And Other Liabilities, Current Accrued expenses and other liabilities Total accrued expenses and other liabilities Deposit Liability, Current Deposit liability Long-term Debt and Lease Obligation, Current Long-term debt, current Deferred Revenue, Current Less current portion of deferred revenue Deferred revenue, current Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Operating lease liability, long term The non-current portion, due after one year or beyond the normal operating cycle, if longer, of deposits held other than customer deposits. Deposit Liability, Noncurrent Deposit liability, non-current Deferred Revenue, Noncurrent Deferred revenue, non-current Total long-term deferred revenue Long-term Debt, Excluding Current Maturities Long-term debt, net Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 10) Members' equity: Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $ 0.0001 par value, 10,000,000 shares authorized and 0 shares issued and outstanding at December 31, 2023 and December 31, 2022 Common Unit, Issuance Value Common stock, $0.0001 par value, 125,236,190 shares authorized; 60,335,701 and 58,473,660 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively Members' Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent Ending balance Beginning balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Preferred Stock, Shares Outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common Stock, Shares, Issued Common stock issued and sold Common Stock, Shares, Outstanding CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Revenue from Contract with Customer, Excluding Assessed Tax Collaboration revenue Operating expenses Research and Development Expense (Excluding Acquired in Process Cost) Research and development General and Administrative Expense. General and administrative The amount of in process research and development expense incurred during the reporting period. In Process Research and Development Expense In-process research and development Asset Impairment Charges Impairment of long-lived assets Impairment Operating Expenses. Total operating expenses Operating Income (Loss) Loss from operations Other Nonoperating Expense Interest expense Other Nonoperating Income Interest income Amount of income (expense) related to nonoperating activities, classified as other. Nonoperating Income (Expense), Other Other expense Nonoperating Income (Expense) Total other income (expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before provision for income taxes Income Tax Expense (Benefit) Provision for income taxes Income tax expense (benefit) Total income tax expense (benefit): Net loss Earnings Per Share, Basic Net loss per common share Basic (in dollars per share) Basic net loss per common share Earnings Per Share, Diluted Net loss per common share Diluted (in dollars per share) Diluted net loss per common share Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding Basic (in shares) Weighted-average common shares for basic net loss per share Weighted Average Number of Shares Outstanding, Diluted Weighted-average common shares for diluted net loss per share Weighted average common shares outstanding Diluted (in shares) Other comprehensive loss OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax Unrealized gain (loss) on investments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation gain (loss) Foreign currency translation Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Common Stock Additional Paid-in Capital Accumulated Deficit Accumulated Other Comprehensive Loss Increase (Decrease) in Temporary Equity [Roll Forward] Temporary Equity, Shares Outstanding Ending balance (in shares) Beginning balance (in shares) Increase (Decrease) in Stockholders' Equity [Roll Forward] Shares, Outstanding Ending Balance (in shares) Beginning Balance (in shares) Stock Issued During Period, Value, New Issues Aggregate purchase price excluding premium Issuance of common stock upon initial public offering, net of underwriting discounts and commissions and other issuance cost Stock Issued During Period, Shares, New Issues Issuance of common stock upon initial public offering, net of underwriting discounts and commissions and other issuance cost (in shares) Common stock issued Equity impact of the value of new stock issued during the period. Includes shares issued to collaboration partner. Stock Issued During Period to Collaboration Partner Issuance of stock to collaboration partner Equity impact of the value of new stock issued during the period. Includes shares issued to collaboration partner. Stock Issued During Period to Collaboration Partner, Shares Issuance of stock to collaboration partner (in shares) Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock upon the exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Issuance of common stock upon the exercise of stock options (in shares) Stock Issued During Period, Value, Restricted Stock Award, Gross Vesting of restricted stock Stock Issued During Period, Shares, Restricted Stock Award, Gross Vesting of restricted stock (in shares) Value of stock issued as a result of the vesting of early exercise of stock options Stock Issued During Period, Value, Vesting of Early Exercise Stock Options Vesting of early exercise stock options Number of stock issued as a result of the vesting of early exercise of stock options. Stock Issued During Period, Shares, Vesting of Early Exercise Stock Options Vesting of early exercise stock options (in shares) Value of stock issued as a result of the vesting of Restricted Stock Units Stock Issued During Period, Value, Restricted Stock Units Vesting of restricted stock units Shares of stock issued as a result of the vesting of Restricted Stock Units Stock Issued During Period, Shares, Restricted Stock Units Vesting of restricted stock units (in shares) OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Unrealized gain / loss on short-term investments APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock based compensation CONSOLIDATED STATEMENTS OF CASH FLOWS Cash flows from operating activities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation Depreciation Amortization of deferred financing cost Amortization of debt issuance costs, including end of term fee accretion Represents amount of non-cash operating lease expense. Non Cash Operating Lease Expense Non-cash operating lease expense Share-based Payment Arrangement, Noncash Expense Stock based compensation Accretion (Amortization) of Discounts and Premiums, Investments Amortization/accretion of investments Change in operating assets and liabilities: Amount of increase (decrease) in escrow deposits. Increase (Decrease) in Escrow Deposit Escrow deposit Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Operating Lease Liability Operating lease liability Increase (Decrease) in Deferred Revenue Deferred revenue Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other liabilities Net Cash Provided by (Used in) Operating Activities Cash used in operations Net cash (used in) provided by operating activities Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Acquisition of property and equipment Payments to Acquire Debt Securities, Available-for-sale Acquisition of fixed maturity securities, available for sale Proceeds from Sale of Debt Securities, Available-for-sale Sale of fixed maturity securities, available for sale Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Cash flows from financing activities Proceeds from Issuance of Common Stock Proceeds from issuance of common stock and ESPP Gross proceeds Repayments of Long-Term Debt Payments on long term debt Proceeds from Issuance of Common Limited Partners Units Proceeds from issuance of shares to collaboration partner Net Cash Provided by (Used in) Financing Activities Net cash (used in) provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net (decrease) increase in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash, end of period Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents, and restricted cash Supplemental disclosure of cash and non-cash operating activities: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for interest Cash paid for income tax Supplemental disclosure of non-cash investing and financing activities: Capital Expenditures Incurred but Not yet Paid Purchase of property and equipment, accrued and unpaid Organization and description of the business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and description of the business Summary of significant accounting policies and basis of presentation Basis of Presentation and Significant Accounting Policies [Text Block] Summary of significant accounting policies and basis of presentation Reduction in force Restructuring and Related Activities Disclosure [Text Block] Reduction in force Financial instruments and fair value measurements Fair Value Disclosures [Text Block] Financial instruments and fair value measurements Prepaid expenses and other current assets. The entire disclosure for prepaid expenses and other current assets. Prepaid Expense and Other Current Assets [Text Block] Prepaid expenses and other current assets Property and equipment, net Property, Plant and Equipment Disclosure [Text Block] Property and equipment, net Accrued expenses and other liabilities. Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accrued expenses and other liabilities Long-term debt Debt Disclosure [Text Block] Long-term debt Bristol-Myers Squibb Collaboration Revenue from Contract with Customer [Text Block] Bristol-Myers Squibb Collaboration Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Leases Leases of Lessee Disclosure [Text Block] Leases Income taxes Income Tax Disclosure [Text Block] Income taxes Basic and diluted net loss per common share Earnings Per Share [Text Block] Basic and diluted net loss per common share Defined contribution plan Defined Contribution Plan [Text Block] Defined contribution plan Stock-based compensation