Commitment to spend, operational expenses, initial lease term Leasehold Interest, Operational Expenses, Commitment to Spend, Initial Lease Term Leasehold Interest, Operational Expenses, Commitment to Spend, Initial Lease Term Termination fee Collaboration Agreements, Termination Fee Collaboration Agreements, Termination Fee Business Acquisition Business Acquisition [Axis] Deferred tax assets, interest expense temporarily disallowed Deferred Tax Asset Not Recognized, Interest Expense Temporarily Disallowed Deferred Tax Asset Not Recognized, Interest Expense Temporarily Disallowed Foreign Current Foreign Tax Expense (Benefit) Foreign Currencies Foreign Currency Transactions and Translations Policy [Policy Text Block] Employee Benefits Compensation and Employee Benefit Plans, Other than Share-Based Compensation [Text Block] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Accumulated Unrealized Losses on Debt Securities Classified as Available-for-Sale in Continuous Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Section 162(m) limitation Effective Income Tax Reconciliation, Nondeductible Expense, Section 162(m) Limitation, Percent Effective Income Tax Reconciliation, Nondeductible Expense, Section 162(m) Limitation, Percent Finance lease assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Contingent Value Rights Payable, Regulatory Milestone Contingent Value Rights Payable, Regulatory Milestone [Member] Contingent value rights payable at December 31, 2022. Discounted cash flow analysis Valuation Technique, Discounted Cash Flow [Member] Interest and investment (loss) income, net Interest and investment (loss) income, net Gain (Loss) on Investments Debt Instrument [Axis] Debt Instrument [Axis] ATM Offering Program At-the-Market At The Market Offering Program [Member] At-The-Market offering program. Present value of operating lease liabilities Finance Lease, Liability Minimum net sales milestone for contingent value rights payable Minimum Net Sales Milestone Contingent Value Rights Payable Minimum net sales milestone contingent value rights payable. Gross property, plant and equipment Property, Plant and Equipment, Gross NANTibody, LLC NANTibody, LLC [Member] NANTibody, LLC Prepaid research and development costs Prepaid Research And Development Costs Prepaid Research And Development Costs Maximum aggregate offering price Aggregate Market Price Of Shares That May Issue Under Registered Offering Aggregate market price of shares that may issue under a registered offering. 2015 Equity Incentive Plan Two Thousand Fifteen Equity Incentive Plan [Member] Two thousand fifteen equity incentive plan. Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Additional paid in capital Additional Paid in Capital Financial Instruments Investment [Text Block] Shares issued pursuant to litigation settlement Stock Issued During Period, Value, Litigation Settlement Stock Issued During Period, Value, Litigation Settlement Financial Instruments Financial Instruments [Domain] Organized workforce Organized Workforce [Member] Organized Workforce 2026 Finance Lease, Liability, to be Paid, Year Four Depreciation expense Depreciation Exercise of stock options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Net deferred tax assets Deferred Tax Assets, Net 2015 Share Repurchase Plan Two Thousand Fifteen Share Repurchase Plan [Member] 2015 share repurchase plan. Weighted-average discount rate, Operating leases Operating Lease, Weighted Average Discount Rate, Percent Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Asset Acquisition [Table] Asset Acquisition [Table] Additional paid-in capital Additional Paid in Capital, Common Stock Lease-related payables Lease Related Payables Lease-related payables. State Current State and Local Tax Expense (Benefit) 2025 Finance Lease, Liability, to be Paid, Year Three Warrant Liability Warrant Liability [Text Block] Warrant Liability Lessee Lease Description [Table] Lessee, Lease, Description [Table] Measurement Input Type [Domain] Measurement Input Type [Domain] Schedule of Impact of Change in Reporting Entity on Unaudited Consolidated Statements of Operations Condensed Income Statement [Table Text Block] 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 (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Aggregate principal and accrued interest Notes Payable, Related Parties, Principal And Accrued Interest Notes Payable, Related Parties, Principal And Accrued Interest Reclassification of net realized gains on available-for-sale securities included in net loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Operating Leases Lessee, Operating Lease, Liability, to be Paid [Abstract] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Accrued research and development costs Accrued Research And Development Costs Accrued research and development costs. Equity Component Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Ownership Ownership [Axis] Period of rent free lease term Period Of Rent Free Lease Term Period Of Rent Free Lease Term Additions based on tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Investment, Name [Domain] Investment, Name [Domain] Interest rate with related party Stated interest rate Related Party Transaction, Rate Audit Information [Abstract] Audit Information [Abstract] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Lessee Lease Description [Line Items] Lessee, Lease, Description [Line Items] Related Party Related Party [Domain] Fair Value Debt Securities, Available-for-Sale Expected dividend yield Measurement Input, Expected Dividend Rate [Member] Net proceeds from related party Total Notes Payable, Related Parties Summary of RSU Activity under Equity Plans Nonvested Restricted Stock Shares Activity [Table Text Block] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Deferred: Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract] Lease Contractual Term Lease Contractual Term [Domain] Unrecognized compensation cost related to non-vested stock options Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Plan Name Plan Name [Domain] Entity Address, State or Province Entity Address, State or Province Other comprehensive income (loss), net of income taxes: Other Comprehensive Income (Loss), Net of Tax [Abstract] Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Award Type Award Type [Axis] Total consideration Asset Acquisition, Fair Value Of Assets Acquired Asset Acquisition, Fair Value Of Assets Acquired Contingent consideration arrangements, paid Business Combination, Contingent Consideration Arrangements, Settlements Business Combination, Contingent Consideration Arrangements, Settlements Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Prepaid supplies Prepaid Supplies With Related Party Prepaid supplies with related party. Infectious Disease Research Institute, Amended and Restated Agreement Infectious Disease Research Institute, Amended And Restated Agreement [Member] Infectious Disease Research Institute, Amended And Restated Agreement Operating lease liabilities (including amounts with related parties) Operating lease liabilities Operating Lease, Liability, Current Government funding for leasehold buildout Leasehold Interest, Government Funding Receivable Leasehold Interest, Government Funding Receivable Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Cash Flow Operating Activities Lessee [Abstract] Cash Flow, Operating Activities, Lessee [Abstract] Collaboration Arrangements Collaborative Arrangement, Accounting Policy [Policy Text Block] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Sorrento Therapeutics, Inc. Litigation Sorrento Therapeutics, Inc. Litigation [Member] Sorrento Therapeutics, Inc. Litigation Transaction Transaction [Domain] Shared Services Agreement Shared Services Agreement [Member] Shared services agreement. Employee Bonuses Payment Employee Bonuses Payment [Member] Employee bonuses payment. Total liabilities Liabilities Liabilities Operating lease liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Weighted-average remaining lease term, Operating leases Operating Lease, Weighted Average Remaining Lease Term Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Annual payment for support of research activities Collaboration Agreements, Annual Payment For Support Of Research Activities Annual payment for support of research activities. Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Aggregate intrinsic value, vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Document Type Document Type Weighted-Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Income Tax [Table] Income Tax [Table] Income tax. Useful life Property, Plant and Equipment, Useful Life Expired/forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Sale leaseback transaction, net carrying value Sale Leaseback Transaction, Net Book Value Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Nonvested, beginning balance (in dollars per share) Nonvested, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Finance Leases Finance Lease, Liability, to be Paid [Abstract] Asset Acquisition [Axis] Asset Acquisition [Axis] Investment in joint venture – an equity method investment Cash investment in joint venture Payments to Acquire Interest in Joint Venture Deferred tax Deferred Income Tax Expense (Benefit) Employees Employees [Member] Employees Schedule of Supplemental Balance Sheet Information Related to Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee First Anniversary Share-Based Payment Arrangement, Tranche One [Member] Accrued compensation Accrued Salaries, Current GlobeImmune, Inc. GlobeImmune, Inc. [Member] GlobeImmune, Inc. Asset Acquisition Asset Acquisition [Table Text Block] Litigation [Line Items] Litigation [Line Items] Litigation. Debt discount Deferred Tax Liabilities, Financing Arrangements Income Statement Location Income Statement Location [Axis] Third Anniversary Share-Based Payment Arrangement, Tranche Three [Member] Total lease assets Lease, Right-Of-Use Asset Lease, Right-Of-Use Asset Accrued expenses and other liabilities Accrued Liabilities, Current Base rent - monthly Base Monthly Rent Base monthly rent. Interest income Interest and Other Income Contingent consideration obligations Contingent Consideration [Member] Contingent Consideration Finite-lived intangible assets acquired Finite-Lived Intangible Assets Acquired Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Accounting Policies [Abstract] Variable lease costs Variable Lease, Cost Stockholders’ deficit: Stockholders' Equity Attributable to Parent [Abstract] Prepaid expenses and other current assets (including amounts with related parties) Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Cashless exercise of stock options Stock Issued, Cashless Exercise Of Stock Options Stock Issued, Cashless Exercise Of Stock Options 23 Alaska, LLC 23 Alaska, LLC [Member] 23 Alaska, LLC Finance lease liabilities Finance Lease, Liability, Noncurrent Weighted Average Fair Value of Options Under Black-Scholes Option Pricing Model Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] NantCell Nant Cell Inc [Member] NantCell, Inc. Operating lease liabilities Increase (Decrease) in Operating Lease Liability Related Party Transaction [Line Items] Related Party Transaction [Line Items] Schedule of Components of Income Tax Benefit (Provision) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Weighted-average period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Accrued compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Transactions with Related Parties Related Party Transactions, Policy [Policy Text Block] Related Party Transactions, Policy Entity Registrant Name Entity Registrant Name Altor BioScience Corporation Altor Bio Science Corporation [Member] Altor BioScience Corporation. 2024 Lease, Liability, To Be Paid, Year Two Lease, Liability, To Be Paid, Year Two Subsequent Events Subsequent Events [Text Block] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Research and Development Arrangement, Contract to Perform for Others, Type Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Present value of operating lease liabilities Lease, Liability Lease, Liability Leases [Abstract] Leases [Abstract] Expected term Measurement Input, Expected Term [Member] Mutual funds Mutual Fund [Member] Total stockholders’ deficit Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Principles of Consolidation Consolidation, Policy [Policy Text Block] Nant Capital Nant Capital 4 [Member] Nant Capital 4 Asset Class Asset Class [Domain] Patents Legal Costs, Policy [Policy Text Block] Minimum Minimum Minimum [Member] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Non-refundable upfront cash payments Collaboration Agreements, Nonrefundable Upfront Payment Nonrefundable upfront payment. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Investment, Name [Axis] Investment, Name [Axis] Trading Symbol Trading Symbol Entity File Number Entity File Number Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent September 2019 Lease September Twenty Nineteen Lease [Member] September twenty nineteen lease. 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Transaction Type Transaction Type [Axis] Nant Capital Nant Capital 3 [Member] Nant Capital 3 Foreign Deferred Foreign Income Tax Expense (Benefit) Fair Value by Liability Class Fair Value by Liability Class [Domain] 557 South Douglas Street 557 Doug St, LLC Five Five Seven Doug St, LLC [Member] Five Five Seven Doug St, LLC Title of Individual Title of Individual [Axis] Grants of restricted stock (in units) Granted (in units) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Number of square foot of facility leased Number Of Square Foot Of Facility Leased Number of square foot of facility leased. Due from related parties Total due from related parties Due from Related Parties, Current Dissenting shares to be released (in shares) Number Of Dissenting Shares Number Of Dissenting Shares Use of Estimates Use of Estimates, Policy [Policy Text Block] NCSC NCSC N C S C [Member] NCSC. Stock options Equity Option [Member] Fair value, beginning of year Fair value, end of year Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Income Taxes Income Tax Disclosure [Text Block] Revenue from related parties Revenue from Related Parties Gross Carrying Amount Intangible Assets, Gross (Excluding Goodwill) Net loss per ImmunityBio common share - basic (in dollars per share) Earnings Per Share, Basic Construction in progress Construction in Progress, Gross Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Research And Development Arrangements With Federal Government [Table] Research And Development Arrangements With Federal Government [Table] Research And Development Arrangements With Federal Government [Table] Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Lease Contractual Term Lease Contractual Term [Axis] Infectious Disease Research Institute Infectious Disease Research Institute [Member] Infectious disease research institute. Ownership Ownership [Domain] Entity Interactive Data Current Entity Interactive Data Current Related-party warrants Related Party Warrants [Member] Related Party Warrants Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Reimbursements Reimbursements [Member] Reimbursements. Thereafter Lease, Liability, To Be Paid, After Year Five Lease, Liability, To Be Paid, After Year Five 2027 Finance Lease, Liability, to be Paid, Year Five Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) [Member] Stock-Based Compensation Expenses Related to Statement of Operations Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Comprehensive loss attributable to ImmunityBio common stockholders Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Shares issued pursuant to litigation settlement (in shares) Stock Issued During Period, Shares, Litigation Settlement Stock Issued During Period, Shares, Litigation Settlement Income Taxes Income Tax, Policy [Policy Text Block] Marketable Securities and Other Investments Marketable Securities, Policy [Policy Text Block] Current: Current Federal, State and Local, Tax Expense (Benefit) [Abstract] Promissory Notes Non-convertible Notes Promissory Notes Payable [Member] Promissory Notes Payable Estimated benefit at grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Estimated Benefit At Grant Date Fair Value Share based compensation arrangement by share based payment award estimated benefit at grant date fair value. Optional extended lease term Lessee, Operating Lease, Renewal Term Marketable securities, noncurrent Marketable Securities, Noncurrent Current assets: Assets, Current [Abstract] Asset Acquisition [Domain] Asset Acquisition [Domain] Financial Statement Details Additional Financial Information Disclosure [Text Block] Schedule of Revenue by Geographic Region Revenue from External Customers by Geographic Areas [Table Text Block] Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Total ImmunityBio Stockholders’ Equity (Deficit) AOCI Including Portion Attributable to Noncontrolling Interest [Member] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Related-Party Debt Related Party Agreements Related Party Transactions Disclosure [Text Block] Less than 12 months, Estimated Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Document Fiscal Year Focus Document Fiscal Year Focus Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Term of warrants outstanding Warrants and Rights Outstanding, Term Principal payments of finance leases Financing cash flow from finance leases Finance Lease, Principal Payments Intercompany Eliminations Consolidation, Eliminations [Member] Section 174 R&E capitalization Deferred Tax Assets, in Process Research and Development Unrealized (losses) gains from equity securities Debt and Equity Securities, Unrealized Gain (Loss) Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Total current Current Income Tax Expense (Benefit) Vested and exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Lease expense Operating Lease, Expense Cash payment to acquire assets Payments to Acquire Productive Assets Conversion of related-party convertible note and accrued interest, net of unamortized discount, into equity Debt Conversion, Converted Instrument, Amount Conversion of convertible notes (in shares) Debt Conversion, Converted Instrument, Shares Issued Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Advances to support operations Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Income tax (expense) benefit Income tax expense Total income tax (expense) benefit Income Tax Expense (Benefit) Geographical Geographical [Domain] Valuation allowance Valuation allowance Deferred Tax Assets, Valuation Allowance Entity Public Float Entity Public Float Balance Sheet Location Balance Sheet Location [Domain] Accrual for dissenting shares Accrued Payment For Dissenting Shares Accrued payment for dissenting shares. Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Stock Repurchases Stock Repurchase Program, Policy [Policy Text Block] Stock Repurchase Program, Policy Collaborative Arrangement and Arrangement Other than Collaborative Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Unrealized loss on non-marketable equity investment Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Various Various [Member] Various. Common stock, $0.0001 par value; 900,000,000 and 500,000,000 shares authorized as of December 31, 2022 and 2021, respectively; 421,569,115 and 397,830,044 shares issued and outstanding as of December 31, 2022 and 2021, respectively; excluding treasury stock, 163,800 shares outstanding as of December 31, 2022 and 2021, respectively Common Stock, Value, Issued Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Acquisition, Acquiree Business Acquisition, Acquiree [Domain] Vesting of restricted stock units (RSUs) (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Securities Excluded from the Computation of Potentially Dilutive Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Contingencies Commitments and Contingencies, Policy [Policy Text Block] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Foreign Nant Capital Nant Capital Two [Member] Nant capital two. Measurement input Warrants and Rights Outstanding, Measurement Input Current liabilities: Liabilities, Current [Abstract] Proceeds from exercises of stock options Proceeds from stock options exercised Proceeds from Stock Options Exercised Significant unobservable inputs, Level 3 valuations Debt Instrument, Measurement Input Impairment Finite-Lived Intangible Assets, Accumulated Impairment Finite-Lived Intangible Assets, Accumulated Impairment Merger exchange ratio Merger Exchange Ratio Merger exchange ratio. Non-cancelable purchase commitments, 2023 Purchase Obligation, to be Paid, Year One Warrant liability Warrants and Rights Outstanding Income Statement Location Income Statement Location [Domain] Amendment Flag Amendment Flag Weighted- Average Life (in years) Finite-Lived Intangible Asset, Useful Life Operating lease costs Operating Lease, Cost Investment Type Investment Type [Axis] Total other comprehensive income (loss) Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Construction in progress Construction in Progress [Member] Deferred tax assets: Components of Deferred Tax Assets [Abstract] Amendment to Extend Lease Term Amendment To Extend Lease Term [Member] Amendment to extend lease term. Investment and other assets (including amounts with related parties) Other Assets, Noncurrent Amyris Joint Venture Amyris Joint Venture [Member] Amyris Joint Venture Weighted- Average Remaining Contractual Life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Sale leaseback transaction, net proceeds Sale Leaseback Transaction, Net Proceeds Sale Leaseback Transaction, Net Proceeds Promissory note Outstanding Advances Related Party Notes Payable Related-party notes payable. Commitment to hire, number of employees, first five years Leasehold Interest, Commitment To Hire, Number Of Employees, First Five Years Leasehold Interest, Commitment To Hire, Number Of Employees, First Five Years Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Initial term of lease arrangement Lessee, Operating Lease, Term of Contract Non-cancelable purchase commitments, 2024 Purchase Obligation, to be Paid, Year Two Counterparty Name [Axis] Counterparty Name [Axis] Summary of Outstanding Balances of Related Party Agreements Schedule of Related Party Transactions [Table Text Block] Interest expense Interest Income and Interest Expense Disclosure [Table Text Block] Commitment to spend, operational expenses, renewal lease term Leasehold Interest, Operational Expenses, Commitment to Spend, Renewal Lease Term Leasehold Interest, Operational Expenses, Commitment to Spend, Renewal Lease Term Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Cash paid for operating leases (excluding variable lease costs) Operating Lease, Payments Annual minimum licensing payment Collaboration Agreements, Annual Minimum Licensing Payment Collaboration Agreements, Annual Minimum Licensing Payment Stock Options Stock Options Share-Based Payment Arrangement, Option [Member] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate NantWorks, LLC NantWorks, LLC [Member] NantWorks, LLC Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Interest expense Deferred Tax Asset, Interest Carryforward Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accrued investment in joint venture Investments In Joint Venture, Incurred But Not Yet Paid Investments In Joint Venture, Incurred But Not Yet Paid Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total operating expenses Operating expenses Operating Expenses Maximum Maximum [Member] Noncontrolling Interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Schedule Of Business Acquisitions By Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Repurchase of common stock, value Stock Repurchased and Retired During Period, Value Restricted cash (Note 2) Restricted Cash and Cash Equivalents, Noncurrent Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Business Acquisition [Line Items] Business Acquisition [Line Items] Leasehold improvement payables Leasehold Improvement Payables Leasehold improvement payables. 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Other liabilities Other Liabilities, Noncurrent Loss on equity method investment Loss on equity method investment Income (Loss) from Equity Method Investments Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Licensing Agreement [Line Items] Licensing Agreement [Line Items] Licensing agreement. 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Thereafter Finance Lease, Liability, to be Paid, after Year Five Preclinical and Clinical Trial Accruals Preclinical and Clinical Trial Accruals, Policy [Policy Text Block] Preclinical and Clinical Trial Accruals, Policy Promissory note agreement Notes Receivable, Related Parties Right-of-use assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Proceeds from issuance of related-party promissory notes, net of issuance costs paid Proceeds from Related Party Debt Collaboration and License Agreements Research, Development, and Computer Software Disclosure [Text Block] Increase (Decrease) in Statements of Stockholders’ Deficit [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Entity Address, Postal Zip Code Entity Address, Postal Zip Code Maximum milestone payment due if certain conditions are met Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High Ownership percentage held by Executive Chairman and Global Chief Scientific and Medical Officer upon consummation of merger Ownership Percentage By Key Executives Ownership percentage by key executives. 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Contingent Consideration Type Contingent Consideration Type [Domain] Net cash used in operating activities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Tenant improvements incentive Incentive from Lessor Consideration paid Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Related Party Transaction Related Party Transaction [Domain] Viracta Viracta [Member] Viracta Document Annual Report Document Annual Report Legal Entity Legal Entity [Axis] Liability Class Liability Class [Axis] Sale of assets to an entity under common control Sale leaseback transaction, capital contribution Proceeds from Contributions from Affiliates Geographical Geographical [Axis] Investment (amortization expense) accretion income, net Investment Income, Net, Amortization of Discount and Premium Altor BioScience, LLC Altor Bio Science L L C [Member] Altor BioScience, LLC. Issuance of common stock, net Stock Issued During Period, Value, New Issues Industry Sector Industry Sector [Domain] Contingent Value Rights Payable, Sales Milestone Contingent Value Rights Payable, Sales Milestone [Member] Contingent value rights payable before December 31, 2026. Contingent value rights payable Contingent Value Rights Payable Contingent value rights payable. Estimated Useful Lives of Property, Plant and Equipment Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Prepaid expenses Prepaid Expense Riptide Bioscience, Inc. Riptide Bioscience, Inc. [Member] Riptide Bioscience, Inc. Compensation Related Costs [Abstract] Number of Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Public Stock Offering Public Stock Offering [Member] Public Stock Offering 2023 through 2030 Collaborative Arrangement And Arrangement Other Than Collaborative, Fee, Tranche Two [Member] Collaborative Arrangement And Arrangement Other Than Collaborative, Fee, Tranche Two Amortization of related-party notes discounts Amortization Of Debt Discount (Premium), Related Party Amortization Of Debt Discount (Premium), Related Party Entity Shell Company Entity Shell Company Ownership percentage acquired Percentage Of Wholly Owned Subsidiary Percentage of wholly-owned subsidiary. 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Dr. Soon-Shiong and Related Party Dr Soon Shiong And Pelated Party [Member] Dr. Soon-Shiong and related party. Annual project funding amount Collaboration Agreements, Annual Project Funding Amount Collaboration Agreements, Annual Project Funding Amount Total assets Assets Assets Amount awarded from other party in litigation settlement Litigation Settlement, Amount Awarded from Other Party Portion of valuation allowance credited directly to contributed capital Deferred Tax Assets, Valuation Allowance, Tax Benefits Credited To Contributed Capital Deferred Tax Assets, Valuation Allowance, Tax Benefits Credited To Contributed Capital Antidilutive Securities Antidilutive Securities [Axis] Shares to be issued in private placement (in shares) Shares, Issued Accrued Expenses and Other Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 2027 Lessee, Operating Lease, Liability, to be Paid, Year Five VivaBioCell Viva Bio Cell [Member] VivaBioCell. NantKwest Nant Kwest Inc [Member] NantKwest, Inc. Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Reduction to maximum aggregate offering price Reduction In Aggregate Market Price Of Shares That May Be Issued Under Registered Offering Reduction In Aggregate Market Price Of Shares That May Be Issued Under Registered Offering Duley Road, LLC Duley Road, LLC [Member] Duley Road, LLC. Loss before income taxes and noncontrolling interests Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Amortization of related-party notes discounts Amortization of Debt Issuance Costs and Discounts Prepaid services Prepaid Services Prepaid services. Name Change Event [Line Items] Name Change Event [Line Items] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Award Type Award Type [Domain] Issuance of shares under ATM (in shares) Issuance Of Common Stock Under At Market Offering Shares Issuance of common stock under at-the market offering, shares. IT equipment Computer Equipment [Member] Issuance of common stock, net (in shares) Shares issued (in shares) Stock Issued During Period, Shares, New Issues Total Lease, Liability, To Be Paid [Abstract] Lease, Liability, To Be Paid Nant Capital, NantWorks, LLC, NantCancerStemCell, LLC, and NantMobile, LLC Nant Capital, NantWorks, LLC, NantCancerStemCell, LLC, And NantMobile, LLC [Member] Nant Capital, NantWorks, LLC, NantCancerStemCell, LLC, And NantMobile, LLC Entity Address, City or Town Entity Address, City or Town Net unrealized (losses) gains on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax Operating expenses: Operating Expenses [Abstract] Industry Sector Industry Sector [Axis] Income Tax [Line Items] Income Tax [Line Items] Income tax. 2014 Plan 2014 Plan [Member] 2014 Plan Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Foreign net operating losses Deferred Tax Assets, Operating Loss Carryforwards, Foreign 2023 Lease, Liability, To Be Paid, Year One Lease, Liability, To Be Paid, Year One Auditor Name Auditor Name Treasury stock, shares outstanding (in shares) Treasury Stock, Common, Shares Duley Road, LLC Duley Road [Member] Duley Road. Research and development (including amounts with related parties) Research and development expense Research and Development Expense Leasehold improvements Leasehold Improvements, Gross Additions based on tax positions related to prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Vested and exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Equipment Equipment [Member] RSUs Restricted Stock Units Restricted Stock Units (RSUs) [Member] Reportable Legal Entities Reportable Legal Entities [Member] Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] 2027 Lease, Liability, To Be Paid, Year Five Lease, Liability, To Be Paid, Year Five Subsequent Events [Abstract] Revenue Revenues Additional shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Percentage of sales agent commission Percentage Of Sales Agent Commission Percentage Of Sales Agent Commission State Deferred State and Local Income Tax Expense (Benefit) More than 12 months, Estimated Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Accrued preclinical and clinical trial costs Accrued Preclinical And Clinical Trial Costs Accrued preclinical and clinical trial costs. Amortization expense Amortization of Intangible Assets Exercise price of warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Interest Interest paid in cash Interest Paid, Excluding Capitalized Interest, Operating Activities 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Periodic license payments Collaboration Agreements, Periodic License Payments Collaboration Agreements, Periodic License Payments Counterparty Name [Domain] Counterparty Name [Domain] Total ImmunityBio stockholders’ deficit Stockholders' Equity Attributable to Parent Cash, cash equivalents, and restricted cash, beginning of year Cash, cash equivalents, and restricted cash, end of year Cash, cash equivalents, and restricted cash, end of year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Right-of-use assets obtained in exchange for finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Forfeited/canceled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vesting [Domain] Vesting [Domain] Transaction costs Asset Acquisition, Consideration Transferred, Transaction Cost Other Deferred Tax Assets, Other Financial Statement Details [Table] Financial Statement Details [Table] Financial Statement Details [Table] Binomial lattice model Valuation Technique, Binomial Lattice Model [Member] Valuation Technique, Binomial Lattice Model Sale of stock issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Summary of Changes in Carrying Amount of Contingent Consideration Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Litigation [Table] Litigation [Table] Litigation. 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Purchases of marketable debt securities, available-for-sale Payments to Acquire Marketable Securities Total ImmunityBio Stockholders’ (Deficit) Equity Equity Components [Axis] Litigation Case [Domain] Litigation Case [Domain] Interest related to litigation settlement, as a percent Litigation Settlement Interest, Percent Litigation Settlement Interest, Percent Segment and Geographic Information Segment Reporting, Policy [Policy Text Block] Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] NC 2015 Plan Nant Cell Two Thousand And Fifteen Plan [Member] NantCell two thousand and fifteen plan. 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Current Assets Current Assets [Member] Current assets. 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Immuno Oncology Clinic [Member] Immuno-Oncology Clinic. 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Property and equipment purchases included in accounts payable, accrued expenses and due to related parties Capital Expenditures Incurred but Not yet Paid License Agreement Terms License Agreement Terms [Member] Finance lease liabilities Finance Lease, Liability, Current Other interest expense Interest Expense, Other Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Total future minimum lease payments Lease, Liability, To Be Paid Lease, Liability, To Be Paid Due to related parties Accounts Payable, Related Parties, Current 605 Doug St, LLC Six Zero Five Doug St, LLC [Member] Six Zero Five Doug St, LLC Litigation Case [Axis] Litigation Case [Axis] IPR&D IPR&D [Member] IPR&D Entity Current Reporting Status Entity Current Reporting Status Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Share based compensation arrangement by share-based payment award, options, aggregate intrinsic value. Net operating losses not subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Immuno-Oncology Clinic, Inc. Immuno Oncology Clinic Inc [Member] Immuno Oncology Clinic Inc. Payment for support of research activities Collaboration Agreements, Payment For Support Of Research Activities Collaboration Agreements, Payment For Support Of Research Activities 2023 Finance Lease, Liability, to be Paid, Year One Impairment of fixed assets Tangible Asset Impairment Charges Amyris, Inc. Amyris, Inc. [Member] Amyris, Inc. Federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent Schedule Of Stock By Class [Table] Schedule of Stock by Class [Table] State income taxes, net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 2024 Finance Lease, Liability, to be Paid, Year Two Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Financial Statement Details [Abstract] Financial Statement Details [Abstract] Financial statement details. 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Deemed dividends Dividends Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Forfeited/canceled (in units) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Total principal and estimated interest due on related-party debt Long-Term Debt Other (expense) income, net (including amounts with related parties) Other Nonoperating Income (Expense) Balance Sheet Location Balance Sheet Location [Axis] Sale of stock issued in transaction (in dollars per share) Sale of Stock, Price Per Share Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Licensing Agreement [Table] Licensing Agreement [Table] Licensing agreement. Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Interest rate spread Interest Rate, basis spread on variable rate Related Party Transaction, Basis Spread On Variable Rate Related Party Transaction, Basis Spread On Variable Rate Accounts payable Increase (Decrease) in Accounts Payable, Trade Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Total current assets Assets, Current Income taxes Income Taxes Paid, Net Revenue recognized Contract with Customer, Liability, Revenue Recognized Research and Development Arrangement, Contract to Perform for Others, Type Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Entity Small Business Entity Small Business Non-cash lease expense related to operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Amortization Expense Net Carrying Amount Finite-Lived Intangible Assets, Net Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Investments Deferred Tax Assets, Investments Number of Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Amortization of debt discount Amortization of Debt Discount (Premium) Accrued laboratory equipment, supplies and related services Accrued Laboratory Equipment Supplies And Related Services Accrued laboratory equipment, supplies and related services. License maintenance fees Collaboration Agreements, License Maintenance Fees Collaboration Agreements, License Maintenance Fees Financial Statement Details [Line Items] Financial Statement Details [Line Items] Financial Statement Details [Line Items] Oustanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value NantBio, Inc. Nant Bio Inc [Member] Nant Bio. Laboratory equipment Laboratory Equipment [Member] Laboratory Equipment Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Available for future stock issuance Common Stock Value Available For Future Stock Issuance Common stock value available for future stock issuance. Consolidated Entities Consolidated Entities [Axis] Accrued Interest Added to Note Interest Payable Shares issued for litigation settlement (in shares) Litigation Settlement, Number Of Shares To Be Issued Litigation Settlement, Number Of Shares To Be Issued Class of Warrant or Right [Table] Class of Warrant or Right [Table] Class Of Stock [Line Items] Class of Stock [Line Items] Present value of operating lease liabilities Operating Lease, Liability 2025 Lease, Liability, To Be Paid, Year Three Lease, Liability, To Be Paid, Year Three Total future minimum lease payments Finance Lease, Liability, to be Paid Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Monthly parking rent Base Monthly Rent, Parking Base Monthly Rent, Parking Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Purchase of intangible assets Payments to Acquire Intangible Assets Sales of stock issued in transaction Sale of Stock, Consideration Received on Transaction Severance and retention benefits Restructuring Charges Other than temporary impairment losses Other than Temporary Impairment Losses, Investments Auditor Location Auditor Location Description of Business Nature of Operations [Text Block] Third-party warrants Warrant liability Warrant [Member] Entity Filer Category Entity Filer Category Federal Current Federal Tax Expense (Benefit) United States UNITED STATES Total consideration Asset Acquisition, Consideration Transferred Stock-based compensation expense Share-Based Payment Arrangement, Expense Supplemental disclosure of non-cash activities: Noncash Investing and Financing Items [Abstract] Commitments and contingencies (Note 7) Commitments and Contingencies Security Exchange Name Security Exchange Name Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Common stock issued pursuant to litigation settlement Stock Issued Merger-related costs Payments for Merger Related Costs Less: Tenant improvement allowance receivable Lease, Liability, Tenant Improvement Allowance Receivable Lease, Liability, Tenant Improvement Allowance Receivable Conversion of related-party convertible note Stock Issued During Period, Shares, Conversion of Convertible Securities Other depreciable assets and prepaid expenses Prepaid Expense and Other Assets Cash and cash equivalents Cash and Cash Equivalents [Member] Sale-leaseback transaction, consideration transferred Sale-leaseback Transaction, Consideration Transferred Sale-leaseback Transaction, Consideration Transferred Cover [Abstract] Cover [Abstract] Entity Voluntary Filers Entity Voluntary Filers Weighted-average discount rate, Finance leases Finance Lease, Weighted Average Discount Rate, Percent Prepaid Expenses and Other Current Assets Schedule of Other Current Assets [Table Text Block] Investments Investments [Domain] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Net share settlement for RSUs vesting Payment, Tax Withholding, Share-Based Payment Arrangement Total liabilities and stockholders’ deficit Liabilities and Equity Accounting Policies [Table] Accounting Policies [Table] Accounting policies. Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Less: Interest Lease, Liability, Undiscounted Excess Interest Lease, Liability, Undiscounted Excess Interest Amortization Deferred Tax Assets, Goodwill and Intangible Assets Total deferred tax assets Deferred Tax Assets, Gross Schedule of Loss Before Taxes, Domestic and Foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Annual rent increase, as a percent Lessee, Operating Lease, Annual Rent Increase, Percent Lessee, Operating Lease, Annual Rent Increase, Percent Related Party Notes Related Party Notes [Member] Related Party Notes Vendor Costs Payments Vendor Costs Payments [Member] Vendor costs payments. Finance lease costs (including amortization and interest costs) Finance Lease Costs, Right-Of-Use Asset Amortization And Interest Expense Finance Lease Costs, Right-Of-Use Asset Amortization And Interest Expense Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Vesting [Axis] Vesting [Axis] Net loss per ImmunityBio common share - diluted (in dollars per share) Earnings Per Share, Diluted Sale of Stock Sale of Stock [Domain] Proceeds from sales of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Stock issuance costs Payments of Stock Issuance Costs Percentage of ownership interest by parent Noncontrolling Interest, Ownership Percentage by Parent Reportable Legal Entities Consolidation Items [Axis] Vested number of shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Other Other Assets, Current Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) Schedule Of Available For Sale Securities [Table] Schedule of Available-for-Sale Securities [Table] Unrecognized tax benefits, beginning of year Unrecognized tax benefits, end of year Unrecognized Tax Benefits Indefinite-lived intangible assets Deferred Tax Liabilities, Intangible Assets Equity securities Equity Securities [Member] Commitment to hire, number of employees, first two and a half years Leasehold Interest, Commitment To Hire, Number Of Employees, First Two And A Half Years Leasehold Interest, Commitment To Hire, Number Of Employees, First Two And A Half Years U.S. loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Domestic Due from related parties Due from Related Parties Corporate debt securities Corporate Debt Securities [Member] Vested and exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Accrued construction costs Accrued Capital Expenditures Accrued capital expenditures. Summary of Future Minimum Lease Payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Deferred revenue Contract with Customer, Liability Expansion of leased premises (in square feet) Increase to Number Of Square Foot Of Facility Leased Increase to Number Of Square Foot Of Facility Leased Insurance premium financing asset Insurance Premium Financing Asset Insurance premium financing asset. Tax rate adjustment Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Interest expense (including amounts with related parties) Interest expense Interest Expense Equity Method of Accounting Equity Method Investments [Policy Text Block] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Operating lease right-of-use assets Deferred Tax Liabilities, Leasing Arrangements Buildings Building [Member] Proceeds from issuance of warrants Proceeds from Issuance of Warrants Optional extended lease term Period Of Extended Lease Term Period of extended lease term. Asset Acquisition [Line Items] Asset Acquisition [Line Items] Milestone payment, amount Collaboration Agreements, Milestone Payment, Amount Collaboration Agreements, Milestone Payment, Amount Total deferred tax liabilities Deferred Tax Liabilities, Gross 3530 John Hopkins Court Facility 3530 John Hopkins Court Facility [Member] 3530 John Hopkins Court Facility 3M IPC and Access to Advanced Health Institute License Agreement 3M IPC And Access to Advanced Health Institute License Agreement [Member] 3M IPC And Access to Advanced Health Institute License Agreement Operating cash flow from finance leases Finance Lease, Interest Payment on Liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Public Stock Offering - Shares Issued to Executive Public Stock Offering - Shares Issued To Executive [Member] Public Stock Offering - Shares Issued To Executive Commercial Paper Commercial Paper [Member] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five Milestone payment, aggregate maximum Collaboration Agreements, Milestone Payment, Aggregate Maximum Collaboration Agreements, Milestone Payment, Aggregate Maximum Measurement Frequency Measurement Frequency [Axis] Research and Development Costs Research and Development Expense, Policy [Policy Text Block] Property, Plant and Equipment, Net, Impairment Property, Plant and Equipment, Impairment [Policy Text Block] Weighted- Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Fair Value Measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Other Other Accrued Liabilities, Current Accrued litigation expense Estimated Litigation Liability Accrued expenses and other liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Impairment of intangible assets Impairment of Intangible Assets (Excluding Goodwill) Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Maturities of marketable debt securities, available for sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Total due to related parties Due to related parties Due to Related Parties, Current NantWorks Nant Works [Member] NantWorks. Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] License Agreement License Agreement [Member] License Agreement 2015 CRADA Cooperative Research And Development Agreement, 2015 [Member] Cooperative research and development agreement. July 2019 Lease July Twenty Nineteen Lease [Member] July twenty nineteen lease. Less: Interest Finance Lease, Liability, Undiscounted Excess Amount Nant Capital Nant Capital One [Member] Nant capital one. Research and Development Research and Development Expense [Member] Accrued dissenting shares (Note 7) Accrued Dissenting Shares Accrued dissenting shares.