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Operating Lease, Liability, Current Operating lease liability Less: current portion Less: current portion Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] Black-Scholes option-pricing model [Member] Black-Scholes Option-Pricing Model [Member] Black-Scholes Option-Pricing Model [Member] ADI Two One Two Expenses [Member] ADI Two One Two Expenses [Member] ADI Two One Two Expenses [Member] Document Transition Report Document Transition Report Share based compensation arrangement by share based payment award number of shares available for grant shares exercised. Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Shares Exercised Options exercised, Number of Shares Available for Grant Operating Expenses Total operating expenses Expenses Research and development Expense Research and Development Expense Research and Development Expense, Total Research and development Demand Deposit Accounts Demand Deposit Accounts Lessee, Operating Leases [Text Block] Leases Revenue Recognition and Deferred Revenue [Abstract] Statement of Cash Flows [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-Based Payment Arrangement, Option, Activity [Table Text Block] Summary of Stock Option Activity Preferred Stock, Liquidation Preference, Value Preferred stock, liquidation preference, value Equity [Text Block] Stockholders' Equity Net Loss per Share Earnings Per Share [Text Block] Share based compensation arrangement by share based payment award number of shares available for grant shares authorized. 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Number Of Customer Number of Customer Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend rate Operating lease payments Operating Lease, Payments Beneficial Ownership Limitation Percentage Beneficial Ownership Limitation Percentage Beneficial ownership limitation percentage Assets [Abstract] Assets Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk free rates Construction in Progress [Member] Construction In Progress Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets, Total Prepaid expenses and other current assets Unrealized Gain on Treasury Securities Net of Tax Unrealized Gain on Treasury Securities Net of Tax Unrealized gain on treasury securities, net of tax Document Fiscal Year Focus Document Fiscal Year Focus Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash flows from investing activities Common Stock Shares Exchanged for Prefunded Warrant Common Stock Shares Exchanged for Prefunded Warrant Shares of the company Accounts Payable, Current Accounts payable Accounts Payable, Current, Total Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Fair Value Acquisition date fair value of resTORbio Research and Development Expense [Member] Research and Development Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Marketable Securities External Program Expenses For Product Candidates [Abstract] External Program Expenses For Product Candidates [Abstract] ExternalProgramExpensesForProductCandidatesAbstract Increase (Decrease) in Other Noncurrent Assets Other non-current assets Other non-current assets Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Summary of Change in Company's Contract Liabilities Amortization Of Deferred Transaction Costs Amortization Of Deferred Transaction Costs Amortization of deferred transaction costs Adicet Therapeutics, Inc Member Adicet Therapeutics Inc [Member] Adicet Therapeutics [Member] Non Program Specific Expenses Non Program Specific Expenses Non Program Specific Expenses Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] Total loan accounts outside Total loan accounts outside Total loan accounts outside Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic, Total Net loss - basic Discount On Underwriters Warrant Discount On Underwriters Warrant Discount on underwriters warrant Restricted Cash [Abstract] At the market offering Member. At The Market Offering [Member] At The Market Offering [Member] Share-Based Payment Arrangement [Abstract] Finance Lease, Liability, to be Paid, Next Rolling 12 Months 2027 Assets, Fair Value Disclosure Total fair value of assets Assets, Fair Value Disclosure, Total Sale of Stock [Axis] Sale of Stock Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash provided by (used in) investing activities Maturities of short term treasury securities Maturities of short term treasury securities Maturities of short term treasury securities Maturities of short-term treasury securities Finance Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term - finance leases (in years) Title of 12(b) Security Title of 12(b) Security Schedule of Segment Reporting Information, by Segment [Table] Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Warrants forfeited Money Market Funds Money Market Funds [Member] Related and Nonrelated Parties [Domain] Related Party Income Tax Disclosure [Text Block] Income Taxes Collaborative Arrangement and Arrangement Other than Collaborative [Table] Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table] Class Of Warrant Or Right [Line Items] Class of Warrant or Right [Line Items] Weighted-average shares used in computing net loss per share, basic Weighted Average Number of Shares Issued, Basic Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2026 Issuance Of Common Stock From Atm Offering Net Of Sales Agent Commission And Fees Shares Issuance Of Common Stock From Atm Offering Net Of Sales Agent Commission And Fees Shares Issuance of common stock and pre-funded warrants pursuant to underwritten public offering, net of issuance costs of $6.3 million, Share Other Liabilities, Noncurrent Other Liabilities, Noncurrent, Total Other non-current liabilities Finance Lease, Right-of-Use Asset, after Accumulated Amortization Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total Finance lease right-of-use asset Legal Entity [Axis] Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Business Combination, Price Per Share Multiplied by the fair value per share of resTORbio common stock Property, Plant and Equipment [Table Text Block] Summary of Property and Equipment, Net Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted-Average Exercise Price, Outstanding ending Weighted-Average Exercise Price, Outstanding beginning Accrued Professional Fees Accrued professional services Income Tax Disclosure [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Additional Paid-in Capital [Member] Additional Pain In Capital Accrued and other current and non-current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Measurement Frequency Measurement Frequency [Domain] Statement of Income Location, Balance [Axis] Income Statement Location Trading Symbol Trading Symbol Property, Plant and Equipment Disclosure [Text Block] Property and Equipment, Net Related Party Transaction [Table] Schedule Of Related Party Transactions By Related Party [Table] ADI Two Seven Zero Expenses [Member] ADI Two Seven Zero Expenses [Member] ADI Two Seven Zero Expenses [Member] Risk free rates, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Redwood City lease agreement. Redwood City Lease Agreement [Member] Redwood City, CA Redwood City, CA lease [Member] Subsequent Event Type [Axis] Employee-related Liabilities, Current Accrued compensation Employee-related Liabilities, Current, Total Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows from financing activities Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected term Expected term (years) Fair Value, Recurring [Member] Fair Value, Recurring Entity Ex Transition Period Entity Ex Transition Period Schedule of Equity Method Investments [Line Items] Schedule Of Equity Method Investments [Line Items] Lessee, Operating Lease, Liability, to be Paid Total undiscounted lease payments Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed interest Equity Components [Axis] Equity Components Unaudited interim financial information. Unaudited Interim Financial Information Policy Policy [Text Block] Unaudited Interim Financial Information Laboratory Equipment Member Laboratory Equipment [Member] Laboratory Equipment Equity Component Equity Component [Domain] Asset Class [Axis] Leasehold improvements Leasehold Improvements, Gross Goodwill and Intangible Assets Disclosure [Abstract] Stock issued during period share related to financing. Stock Issued During Period Share Related To Financing Issuance of common stock related to financing, shares Income taxes. Income Taxes [Table] Income Taxes [Table] Business Combination [Axis] Business Acquisition Prepaid Insurance Prepaid insurance Proceeds from Income Tax Refunds Cash received from tax refund IPO [Member] Initial Public Offering Purchase of common stock under Employee Stock Purchase Plan Shares Stock Issued During Period, Shares, Employee Stock Purchase Plans Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction, Total RFS OPCO LLC [Member] RFS OPCO LLC [Member] Maximum [Member] Maximum Maximum [Member] Statistical Measurement [Axis] Statistical Measurement Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted-Average Exercise Price, Warrants exercised Prepaid Expense, Current, Total Prepaid maintenance Prepaid Expense, Current Common Stock, Value, Issued Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Common stock, $0.0001 par value, 300,000,000 shares authorized as of March 31, 2026 and December 31, 2025, respectively; 9,597,693 and 9,586,770 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Property, Plant and Equipment [Member] PropertyPlantAndEquipmentMember Net Income (Loss) Available to Common Stockholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted, Total Net loss - diluted Cash and Cash Equivalents [Abstract] Principles of Consolidation Consolidation, Policy [Policy Text Block] Contract assets and liabilities. Contract Assets And Liabilities Balance at end of period Balance at beginning of period Marketable Securities [Line Items] Marketable Securities [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Preferred Stock, Shares Authorized Preferred stock shares authorized Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class Shares withheld for taxes Shares withheld for taxes Payment, Tax Withholding, Share-Based Payment Arrangement Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Regeneron Pharmaceuticals, Inc. Regeneron Pharmaceuticals Incorporation. Regeneron Pharmaceuticals Incorporation [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Aggregate Net Proceed Aggregate Net Proceed Aggregate net proceed Business Combination [Table] Schedule Of Business Acquisitions By Acquisition [Table] Entity Registrant Name Entity Registrant Name Debt Disclosure [Text Block] Term Loan Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Unrealized Losses Unrealized Losses Unrealized Losses Share based compensation arrangements by share based payment award options authorized in period weighted average exercise price. Share Based Compensation Arrangements By Share Based Payment Award Options Authorized In Period Weighted Average Exercise Price Weighted-Average Exercise Price, Options authorized Other Nonoperating Income (Expense) Other Nonoperating Income (Expense), Total Other expense, net Boston Properties, Inc. [Member] Boston Properties, Inc. [Member] Subsequent Events [Abstract] Additional amount payable of option exercise fees. Licence Agreement Additional Amount Payable Of Option Exercise Fees Licence agreement additional amount payable of option exercise fees Finance Lease, Liability, to be Paid, Rolling Year Five 2031 and thereafter Income tax provision Income Tax Expense (Benefit) Income Tax Expense (Benefit), Total Measurement Frequency [Axis] Measurement Frequency Licence agreement additional revenue recognised Licence Agreement Additional Revenue Recognised Licence agreement additional revenue recognised. Weighted-average shares used in computing net loss per share, diluted Weighted Average Limited Partnership Units Outstanding, Diluted Proceeds from Issuance of Common Stock Aggregate gross proceeds Proceeds from issuance of common stock pursuant to at-the-market offering, net of issuance costs Other Comprehensive Income (Loss), Tax [Abstract] Other comprehensive income Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Deferred Revenue, Revenue Recognized Revenue related party Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive (loss) income Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment, Total Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period RSUs granted Customers percentage of total revenue. 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Sales Agreement [Member] 2021 Sales Agreement Business Combination [Abstract] Earnings Per Share, Diluted, Total Earnings Per Share, Diluted Net loss per share attributable to common stockholders, diluted Net loss per share, diluted Options available for future grants. Options Available For Future Grants [Member] Stock Options Available for Future Grant Schedule Of Segment Reporting Information By Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Long-Term Purchase Commitment [Table] Long Term Purchase Commitment [Table] Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration] Lesser of useful life or lease term City Area Code City Area Code common stock pursuant to at-the-market offering, net of issuance costs,shares common stock pursuant to at-the-market offering, net of issuance costs,shares Issuance of common stock pursuant to at-the-market offering, net of issuance costs of $0.6 million, Share term loan to finance leasehold improvements 1 term loan to finance leasehold improvements 1 Term loan to finance leasehold improvements Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax, Total Other comprehensive income Pre Funded Warrant Pre Funded Warrant [Member] Pre Funded Warrant [Member] Finance Lease, Liability, Noncurrent Lease liability, net of current portion Business Combination [Line Items] Business Acquisition [Line Items] Short-term lease costs Proceeds from Other Short-Term Debt Counterparty Name [Domain] Finance Lease, Liability, to be Paid, Rolling Year Three 2029 Purchase of common stock under Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term - operating leases (in years) Segment Reporting Information [Line Items] Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance of common stock upon vesting of restricted stock, shares Adicet Therapeutics (Member) Adicet Therapeutics (Member) Adicet Therapeutics (Member) Total lease cost Lease, Cost Total lease cost Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Restricted Cash Restricted Assets Disclosure [Text Block] Operating Income (Loss) Loss from operations Schedule of number of shares of common stock reserved for future issuance. Schedule Of Number Of Shares Of Common Stock Reserved For Future Issuance [Text Block] Schedule of Number of Shares of Common Stock Reserved for Future Issuance Issuance Of Common Stock From Atm Offering Net Of Sales Agent Commission And Fees Amount Issuance Of Common Stock From Atm Offering Net Of Sales Agent Commission And Fees Amount Issuance of common stock and pre-funded warrants pursuant to underwritten public offering, net of issuance costs of $6.3 million, Amount Retained Earnings [Member] Accumulated Deficit Cash and Cash Equivalents [Axis] Cash and Cash Equivalents Common Stock not sold Common Stock not sold Common Stock not sold Two thousand seventeen and two thousand eighteen stock incentive plan. Two Thousand Seventeen And Two Thousand Eighteen Stock Incentive Plan [Member] 2017 and 2018 Stock Incentive Plan Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense, Total Facilities and Infrastructure Expenses Facilities and Infrastructure Expenses Facilities And Infrastructure Expenses Less portion of the fair value to be distributed as CVR. Less Portion Of Fair Value To Be Distributed As C V R Less: portion of the fair value to be distributed as CVR Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate - operating leases Operating Lease, Liability, Noncurrent Lease liability, net of current maturities Fair Value, Inputs, Level 1 [Member] Fair Value, Level 1 Class of Stock [Line Items] Class Of Stock [Line Items] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash used in financing activities Grants Receivable Grants receivable Lease, Cost [Table Text Block] Summary of Lease Costs and Other Information Marketable Securities [Table Text Block] Schedule of Marketable Securities Changes In Construction In Progress Increase (Decrease) in Construction Payables Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Net Loss Per Share Prepaid employee benefits Prepaid employees benefits Prepaid employees benefits Corporate Debt Securities [Member] Corporate Debt Securities Entity Interactive Data Current Entity Interactive Data Current Research and Development, Contract to Perform for Others [Table] Schedule Of Research And Development Arrangement Contract To Perform For Others [Table] Statement of Income Location, Balance [Domain] Income Statement Location Fair Value Measurement [Domain] Fair Value Measurement Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows from operating activities Furniture and Fixtures [Member] Furniture and Fixtures Stock Price Decrease Stock price declined Stock Price Decrease Proceeds from Related Party Debt Revenue from related party Net amortization of premiums and accretion discounts on investments Accretion (Amortization) of Discounts and Premiums, Investments Number of shares of the combined company owned by resTORbio stockholders Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Two thousand eighteen employee stock purchase plan. Two Thousand Eighteen Employee Stock Purchase Plan [Member] 2018 Employee Stock Purchase Plan Combined balances in demand deposit accounts Combined balances in demand deposit accounts Combined balances in demand deposit accounts Sales agent commissions and expenses Sales agent commissions and expenses Sales agent commissions and expenses Entity Tax Identification Number Entity Tax Identification Number Local Phone Number Local Phone Number Short-Term Lease, Cost Short-term lease cost Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Stock issuance cost Immaterial correction from par to additional paid-in capital Immaterial correction from par to additional paid-in capital Accounting Policies [Abstract] Term loan abstract [Abstract] Term Loan [Abstract] Class of Stock [Domain] Class of Stock Commercial Paper [Member] Commercial Paper Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Number of Shares Available for Grant, Ending balance Number of Shares Available for Grant, Begining balance Number of shares of common stock available for grant Stock, Class of Stock [Table] Schedule Of Stock By Class [Table] Goodwill impairment charge Goodwill, Impaired, Accumulated Impairment Loss Entity Emerging Growth Company Entity Emerging Growth Company Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Weighted-Average Remaining Contract Term, Vested and expected to vest Pacific western bank [Member] Pacific western bank [Member]