Variable Rate Variable Rate [Domain] Less: Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest 2018 Revolving Credit Facility Fair Value 2018 Revolving Credit Facility Fair Value [Member] 2018 Revolving Credit Facility Fair Value Accrued expenses Accrued Liabilities, Current Payment To Founding Members Under Tax Sharing Arrangement Payments to affiliates for tax sharing agreement Payment To Founding Members Under Tax Sharing Arrangement Payment to founding members under tax sharing arrangement. Range Statistical Measurement [Domain] Additional paid in capital Additional Paid In Capital And Accumulated Deficit Common Stock Additional paid in capital and accumulated deficit common stock. Borrowing amount of credit facility Line of Credit Facility, Maximum Borrowing Capacity Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Payable under TRA Long-term payable to founding members under tax receivable agreement Payable To Founding Members Under Tax Sharing Agreement Noncurrent Payable to founding members under tax sharing agreement, noncurrent. Related Party Transaction [Line Items] Related Party Transaction [Line Items] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Investment, Name Investment, Name [Domain] Investment, Name [Domain] Revenue from contract, payment due period from the customer Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Borrowings Debt Disclosure [Text Block] Concentration of Credit Risk and Significant Customers Concentration Of Credit Risk And Significant Customers Policy [Text Block] Disclosure of accounting policy for concentration of credit risk and significant customers. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Regal Entertainment Group [Member] Regal Regal Entertainment Group [Member] Regal entertainment group. Deferred tax assets, net of valuation allowance of $227.5 and $223.8, respectively Total other investments Other Long-Term Investments Revolving credit facility 2018 Revolving Credit Facility [Member] On-screen advertising time to satisfy agreement obligations, in seconds Length Of On Screen Advertising Time To Satisfy Agreement Obligations The length of on-screen advertising time to satisfy agreement obligations. Gain (Loss) On Remeasurement Gain (Loss) On Remeasurement Gain (Loss) On Remeasurement Term loans – first tranche Term Loan -First Tranche [Member] Term loan. Equity Interest Acquired, Percentage Equity Interest Acquired, Percentage Equity Interest Acquired, Percentage Accounts payable Accounts Payable, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rates Debt Instrument, Basis Spread on Variable Rates Investment, Name Investment, Name [Axis] Investment, Name [Axis] Total Nonoperating Income (Expense) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Schedule of Allowance for Doubtful Accounts Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] COMMITMENTS AND CONTINGENCIES (NOTE 9) Commitments and Contingencies Platinum Spot Revenue Percentage Platinum Spot Revenue Percentage Platinum Sport Revenue Percentage Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Guarantee Obligations Amount Paid Guarantee Obligations Amount Paid Guarantee obligations amount paid. Debt Instrument, Cure Payments Debt Instrument, Cure Payments Debt Instrument, Cure Payments Make-good provision Accrued Reserves Accrued reserves. Covenant Waiver Max [Member] Covenant Waiver Max [Member] Covenant Waiver Max [Member] Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Income Taxes Income Tax Disclosure [Text Block] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Common Membership Units Issued And Cancelled Common Membership Units Issued And Cancelled Common Membership Units Issued And Cancelled Ownership [Axis] Ownership [Axis] Loss on re-measurement of bonds Debtor Reorganization Items, Gain (Loss) on Settlement of Other Claims, Net Operating Lease, Lease Income, Lease Payments Operating Lease, Lease Income, Lease Payments Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Payroll And Related Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Payroll And Related Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Payroll And Related Expenses Revenue Recognition Revenue [Policy Text Block] CURRENT LIABILITIES: Liabilities, Current [Abstract] Consolidated Net Senior Secured Leverage Ratio Consolidated Net Senior Secured Leverage Ratio Consolidated Net Senior Secured Leverage Ratio Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] 2022 Revolving Credit Facility Carrying Value 2022 Revolving Credit Facility Carrying Value [Member] 2022 Revolving Credit Facility Carrying Value Preferred stock, $0.01 par value; 10,000,000 shares authorized, 50 and 50 issued and outstanding, respectively Preferred Stock, Value, Issued Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Business Acquisition Business Acquisition [Line Items] Debt issuance costs, long-term Debt issuance costs, long-term Debt Issuance Costs, Noncurrent, Net Subsequent Event Type Subsequent Event Type [Domain] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Payment of dividends Payments of Ordinary Dividends, Common Stock Diluted (in usd per share) Earnings Per Share, Diluted Common membership units returned Common Membership Units Returned Common membership units returned. Receivables, net of allowance of $1.3 and $1.4, respectively Accounts Receivable, after Allowance for Credit Loss, Current Term Loan - Second Tranche Loss on Debt Modification Term Loan - Second Tranche Loss on Debt Modification Term Loan - Second Tranche Loss on Debt Modification Term of increase in payment percentage per theater patron Period Of Increase In Payment On Theater Patron Period of increase in payment on per theater patron. Schedule of Amounts Due to Founding Members, Net Schedule of Incentive Distributions Made to Managing Members or General Partners by Distribution [Table Text Block] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Gross unrealized losses related to individual securities Debt Securities, Available-for-Sale, Unrealized Loss NON-CURRENT ASSETS: Assets, Noncurrent [Abstract] Trading Symbol Trading Symbol Removal of Cash, and Cash Equivalents of Unconsolidated Affiliates Removal of Cash and Cash Equivalents of Unconsolidated Affiliates Removal of Cash and Cash Equivalents of Unconsolidated Affiliates U.S. Government Agency Bonds US Government Agencies Debt Securities [Member] NET LOSS ATTRIBUTABLE TO NCM, INC. Net loss attributable to NCM, Inc. Net loss attributable to NCM, Inc. (in millions) Net Income (Loss) Cash Acquired from Acquisition Cash Acquired from Acquisition Total current liabilities Liabilities, Current Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Revolving Credit Facility 2023 Revolving Credit Facility 2023 [Member] Revolving Credit Facility 2023 Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Distributions to founding members Payments of Distributions to Affiliates Payments of Distributions to Affiliates Document Information, Document [Axis] Document Information, Document [Axis] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Stock Repurchased During Period, Value Stock Repurchased During Period, Value Intercompany Loan Amount [Axis] Intercompany Loan Amount [Axis] Intercompany Loan Amount Debt Instrument, Trigger Amount Covenant Debt Instrument, Trigger Amount Covenant Debt Instrument, Trigger Amount Covenant Schedule of Loss Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Network operating costs Cost of Goods and Services Sold One Founding Members One Founding Members [Member] One founding members. Industrial Commercial Paper Commercial Paper Industrial [Member] Commercial paper industrial. Income Tax Contingency [Table] Income Tax Contingency [Table] Related Party Transaction, Amounts of Transaction Related Party Transaction, Amounts of Transaction Revenue, Beverage (included in advertising revenue) Revenue, Beverage (included in advertising revenue) Revenue, Beverage (included in advertising revenue) Other Commitments [Table] Other Commitments [Table] Short-Term U.S. Government Treasury Bonds US Government Treasury Debt Securities [Member] US Government Treasury Debt Securities [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Impaired Investment Impaired Investment Impaired Investment Debt [Member] Debt [Member] Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Tax Year 2019 [Member] Tax Year 2019 [Member] Range of terms, in years Revenue Guarantee Period Revenue guarantee period. Maximum potential payment Guarantor Obligations, Maximum Exposure, Undiscounted Goodwill Goodwill Equity Components Equity Components [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Certificates of Deposit Certificates of Deposit [Member] Fair Value, Separate Account Investment [Line Items] Fair Value, Separate Account Investment [Line Items] Investment Type Investment Type [Axis] Line of Credit Facility, Asset Restrictions Credit Facility Availability Compliance Credit Facility Availability Compliance Cash distributions declared to members Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared Measurement Basis Measurement Basis [Axis] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Entity Small Business Entity Small Business Investments Investments [Domain] General Company Information [Table] General Company Information [Table] General company information. Local Phone Number Local Phone Number Receivables, net Increase (Decrease) in Accounts Receivable Fair Value Measurement [Domain] Fair Value Measurement [Domain] Future patron payment Forecast [Member] Letter of Credit Letter of Credit [Member] Covenant During Waiver Max Covenant During Waiver Max [Member] Covenant During Waiver Max Common Stock, Dividends, Per Share, Declared Dividends per share (in usd per share) Common Stock, Dividends, Per Share, Declared Measurement Frequency Measurement Frequency [Axis] Long-term lease liability Operating Lease, Liability, Noncurrent Accrued distributions to founding members (including accrued distributions to related parties Accrued Integration And Other Encumbered Theater Payments Due To Founding Members, Financing Activities Accrued Integration And Other Encumbered Theater Payments Due To Founding Members, Financing Activities Investment Owned, at Cost Investment Owned, Cost Percentage of cash savings related to taxes Percentage Of Cash Savings Related To Taxes Percentage of cash savings related to taxes. Debt Instrument, Name [Domain] Debt Instrument, Name Debt Instrument, Name [Domain] Changes in Taxes and LLC Ownership Changes in Taxes and LLC Ownership Changes in Taxes and LLC Ownership Trademarks [Member] Trademarks [Member] Amounts due to founding members, net Amounts due to founding members, net Amounts due to founding members, net Payment of debt issuance costs Payments of Debt Issuance Costs Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Weighted average term, esa and affiliate (in years) Weighted Average Term, ESA and Affiliate Weighted Average Term, ESA and Affiliate Repayment of term loan facility Repayments of Senior Debt Schedule of Business Acquisitions, by Acquisition Schedule of Business Acquisitions, by Acquisition [Table Text Block] ESA advertising revenue from beverage concessionaire agreements Founding Member Advertising Revenue From Beverage Concessionaire Agreements [Member] Founding member advertising revenue from beverage concessionaire agreements. Estimated Fair Values of Company's Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Finite-Lived Intangible Assets, Cost Incurred to Renew or Extend Finite-Lived Intangible Assets, Cost Incurred to Renew or Extend Product and Service [Domain] Products and Services Product and Service [Domain] Interest on borrowings Interest Expense, Debt Total amounts due to founding members, net Related Party Transaction, Due from (to) Related Party (Deprecated 2023) Consolidated Net Total Leverage Ratio Covenant Consolidated Net Total Leverage Ratio Covenant Consolidated Net Total Leverage Ratio Covenant Lease Cost Lease, Cost [Table Text Block] Loss on the Modification of Debt Loss on the Modification of Debt Loss on the Modification of Debt Promissory notes receivable from founding members Notes Receivable, Related Parties (Deprecated 2023) Dividends declared not requiring cash in the period Increase Decrease In Dividends Not Requiring Cash Increase decrease in dividends not requiring cash. Common membership units outstanding Units of Partnership Interest, Amount Shares excluded from the calculation of diluted weighted average shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Network Costs Direct costs arising from transactions associated with network operations. These costs are categorized as cost of goods sold. Document Quarterly Report Document Quarterly Report Debt Instrument, Maturity Date Debt Instrument, Maturity Date Fair Value Hierarchy Fair Value Hierarchy and NAV [Domain] Units of Partnership Interest, Amount - AMC Units of Partnership Interest, Amount - AMC Units of Partnership Interest, Amount - AMC Loss on modification and retirement of debt, net Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt Finite-Lived Intangible Assets Acquired Finite-Lived Intangible Assets Acquired Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance of Equity by Subsidiary to Noncontrolling Interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance of Equity by Subsidiary to Noncontrolling Interests Income tax and other impacts of NCM LLC ownership changes Adjustments to Additional Paid in Capital, Other Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Related Party Transactions Related Party Transactions Disclosure [Text Block] Managing Member or General Partner [Axis] Managing Member or General Partner [Axis] Costandotherreimbursement Cost and Other Reimbursement Cost and Other Reimbursement Estimates Use of Estimates, Policy [Policy Text Block] Noncash or Part Noncash Acquisition, Fixed Assets Acquired Noncash or Part Noncash Acquisition, Fixed Assets Acquired Long-term Debt, Type Long-Term Debt, Type [Domain] Entity File Number Entity File Number Recently Issued Accounting Pronouncements Recently Issued Accounting Pronouncements Policy [Text Block] Recently issued accounting pronouncements. Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Short-term lease liability Operating Lease, Liability, Current Revolving Credit Facility, Debt Draw Revolving Credit Facility, Debt Draw Revolving Credit Facility, Debt Draw Proceeds from sale and maturities of marketable securities Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Amortization of Intangible Assets Amortization of Intangible Assets Entity Shell Company Entity Shell Company Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Proceeds from Unsecured Lines of Credit Line of Credit Facility, Increase (Decrease), Net Intangible assets, net of accumulated amortization of $24.5 and $15.0, respectively Common unit adjustments, net of amortization and integration payments (included in intangible assets) Finite-Lived Intangible Assets, Net Line Of Credit Facility, Percentage Of Revolving Commitment Line Of Credit Facility, Percentage Of Revolving Commitment Line Of Credit Facility, Percentage Of Revolving Commitment Increase (Decrease) in Prepaid Expense Increase (Decrease) in Prepaid Expense Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Theater access fees and revenue share, net of beverage revenues and other encumbered theater payments Theater Access Fees Net Of Beverage Revenues And Other Encumbered Theaters Payments Theater access fees net of beverage revenues and other encumbered theaters payments. Accumulated amortization, intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Debt Instrument Debt Instrument, Fair Value Disclosure Amounts due from founding members Due From Founding Members, Current Due From Founding Members, Current Document [Domain] Document [Domain] Variable Lease, Cost Variable Lease, Cost Negative Distribution Made to Limited Liability Company Member, Cash Distributions Deferred Negative Distribution Made to Limited Liability Company Member, Cash Distributions Deferred Negative Distribution Made to Limited Liability Company Member, Cash Distributions Deferred Operating Lease, Cost Operating Lease, Cost Common stock, shares issued (in shares) Common Stock, Shares, Issued Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31) Cumulative-effect adjustment for adoption of ASU 2014-09 Cumulative Effect of Adoption of ASU 2016-13, Adjustment to Retained Earnings Cumulative Effect of Adoption of ASU 2016-13, Adjustment to Retained Earnings Number of shares of restricted stock and stock units vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Debt Intstrument, Debt Covenant Aggregate Revolving Commitment Trigger Debt Intstrument, Debt Covenant Aggregate Revolving Commitment Trigger Debt Intstrument, Debt Covenant Aggregate Revolving Commitment Trigger Unused line fee, percent Line of Credit Facility, Commitment Fee Percentage Membership units exchangeable into common stock ratio Membership Units Conversion Ratio Membership units conversion ratio. Deferred revenue Contract with Customer, Liability, Current Contract with Customer, Liability, Current Contract with Customer, Liability, Current Security Exchange Name Security Exchange Name Assets, Fair Value Disclosure Total assets Assets, Fair Value Disclosure Long-term Debt Long-term Debt Long-Term Debt Receivables from related parties, current Financing Receivable, after Allowance for Credit Loss, Current Share-Based Compensation Share-Based Payment Arrangement [Policy Text Block] LIBOR London Interbank Offered Rate (LIBOR) [Member] (Deprecated 2023) Payable under TRA (related party payables of $0.0 and $0.0, respectively) Current payable to founding members under tax receivable agreement Payable To Founding Members Under Tax Sharing Agreement Current Payable to founding members under tax sharing agreement, current. Debt Instrument, Fixed Coverage Covenant Debt Instrument, Fixed Coverage Covenant Debt Instrument, Fixed Coverage Covenant General Company Information [Line Items] General Company Information [Line Items] General company information. Total Costs and Expenses Senior Notes Due Two Zero Two Six [Member] [Member] Senior Notes Due Two Zero Two Six [Member] [Member] Senior Notes Due Two Zero Two Six [Member] [Member] Credit Agreement Third Agreement Credit Agreement Third Amendment [Member] Credit Agreement Third Amendment Net Income Attributable to Parent Net Income Attributable to Parent Net Income Attributable to Parent Maximum Maximum [Member] COMPREHENSIVE LOSS ATTRIBUTABLE TO NCM, INC. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Gross unrealized losses related to individual securities had been in continuous loss position for 12 months or longer Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (Deprecated 2023) Document Type Document Type Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Gain (Loss) On Reconsolidation Gain (Loss) On Reconsolidation Gain (Loss) On Reconsolidation Intangible Assets ESA [Member] Intangible Assets ESA [Member] Intangible Assets ESA Customer Percentage of AR Customer Percentage of Accounts Receivable Customer Percentage of Accounts Receivable Short-term Lease, Cost Short-Term Lease, Cost Type of Adoption Accounting Standards Update [Domain] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Debt Issuance Cost Non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Debt Issuance Cost Non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Debt Issuance Cost Non-current Initial Credit Agreement Initial Credit Agreement [Member] Initial Credit Agreement Entity Address, Address Description Entity Address, Address Line One Other Significant Noncash Transaction, Value of Consideration Given Other Significant Noncash Transaction, Value of Consideration Given Increase (decrease) in intangible assets, net Finite-Lived Intangible Assets, Period Increase (Decrease) Related Party AP and Accrued Expenses Related Party AP and Accrued Expenses Related Party AP and Accrued Expenses Maturities Available-For-Sale Debt Securities, Maturity Available-For-Sale Debt Securities, Maturity Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Subsequent Event [Table] Subsequent Event [Table] Chief Executive Officer Chief Executive Officer [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Other Other Noncash Income (Expense) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses Business Acquisition [Axis] Business Acquisition [Axis] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Integration and other encumbered payments, related parties - financing activities Proceeds From Integration And Other Encumbered Theater Payments Made By Affiliates, Financing Activities Payments received from related parties for their acquired theatres that are subject to an existing on-screen advertising contract. Allowance for doubtful accounts receivable Accounts Receivable, Allowance for Credit Loss, Current Credit Agreement [Axis] Credit Agreement [Axis] Credit Agreement Subsequent Event Subsequent Event [Member] Trademark Trademark [Member] Trademark Other current liabilities Other Liabilities, Current Variable Rate Variable Rate [Axis] Cash Available for Distributions Cash Available for Distributions Cash payment due to founding members/managing member Distributions payable to founding members Distributions Payable Distributions payable. Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Statement [Abstract] Income Statement [Abstract] Tax Year 2017 Tax Year 2017 [Member] Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues Title of 12(b) Security Title of 12(b) Security Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Available-for-sale Securities, Gross Unrealized Loss Available-for-Sale Securities, Gross Unrealized Loss (Deprecated 2023) AffiliateCircuitSharePayment [Member] AffiliateCircuitSharePayment [Member] AffiliateCircuitSharePayment Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Amortization expense Amortization of Leased Asset RECONSOLIDATION OF NCM LLC Business Combination Disclosure [Text Block] Related Party Related Party, Type [Domain] Tax Year 2018 [Member] Tax Year 2018 [Member] Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Subsidiary, Ownership Percentage, Noncontrolling Owner Business Acquisition, Pro Forma Net Income (Loss) Business Acquisition, Pro Forma Net Income (Loss) Secured Creditors Secured Creditors [Member] Secured Creditors Share-based compensation issued Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Cost of Goods and Services Sold Proceedsfromdispositionofintangibleassetsbynetworkaffiliates Proceeds from disposition of intangible assets by network affiliates (AMC acquisition of Cinetopia) Other Assets, Current Other Assets, Current Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Loss per NCM, Inc. share: Earnings Per Share, Diluted [Abstract] Common membership units issued Common Membership Units Issued Common membership units issued. Entity Tax Identification Number Entity Tax Identification Number Percentage of increase in payment per digital screen and digital cinema equipment Percentage Of Increase In Payment Per Digital Screen And Digital Cinema Equipment Percentage of increase in payment per digital screen and digital cinema equipment. Investment in AC JV, LLC Equity Method Investments Cost-method ownership percentage Cost Method Investment Ownership Percentage Cost method investment ownership percentage. Lease, Cost Lease, Cost Range Statistical Measurement [Axis] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Financial Instrument [Axis] Financial Instrument [Axis] Make Good Balance Reclassed as Deferred Revenue Make Good Balance Reclassed as Deferred Revenue Make Good Balance Reclassed as Deferred Revenue Entity Interactive Data Current Entity Interactive Data Current Interest receivable on notes receivable (included in other current assets) Interest Receivable Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Net senior secured leverage ratio Debt Instrument, Dividend Restriction, Net Senior Secured Leverage Ratio Debt Instrument, Dividend Restriction, Net Senior Secured Leverage Ratio Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets RevolvingCreditFacilityMember2022 RevolvingCreditFacilityMember2022 [Member] RevolvingCreditFacilityMember2022 Noncancelable contract terms Noncancelable Contract Terms Noncancelable contract terms. Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding customer ten percent of revenue Customer with revenue in excess of ten percent of total revenue Customer with revenue in excess of ten percent of total revenue Common Membership Units Redeemed Common Membership Units Redeemed Common Membership Units Redeemed CumulativeEffectAdjustmentForAdoptionOfASU201613ToRetainedEarnings CumulativeEffectAdjustmentForAdoptionOfASU201613ToRetainedEarnings CumulativeEffectAdjustmentForAdoptionOfASU201613ToRetainedEarnings Net total leverage ratio, covenant Debt Instrument, Covenant, Net Total Leverage Ratio Debt Instrument, Covenant, Net Total Leverage Ratio Affiliates Agreement, Term Affiliates Agreement, Term Affiliates Agreement, Term Supplemental disclosure of non-cash financing and investing activity: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Aggregate percentage of theater access fee paid Percentage Of Theater Access Fee Paid Percentage of theater access fee paid. Fair Value, Hierarchy Fair Value Hierarchy and NAV [Axis] RevolvingCreditFacilityMember2018 RevolvingCreditFacilityMember2018 [Member] RevolvingCreditFacilityMember2018 Depreciation expense Depreciation, Nonproduction Cinemark Holdings In Cinemark Cinemark Holdings Inc [Member] Cinemark holdings, Inc. Debt Instrument, Restrictive Covenants Credit Agreement EBITDA Limit Credit Agreement EBITDA Limit Gain on deconsolidation of affiliate Deconsolidation, Gain (Loss), Amount Deconsolidation, Gain (Loss), Amount Retained earnings Retained Earnings (Accumulated Deficit) Promissory Notes Promissory Notes [Member] Promissory notes. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Gain on re-measurement of investment Gain on re-measurement of investment Gain on re-measurement of investment Debt instrument face amount Debt Instrument, Face Amount Incentive Distribution, Recipient [Domain] Incentive Distribution, Recipient [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code CURRENT ASSETS: Assets, Current [Abstract] Changes In Equity Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Other Commitments [Line Items] Other Commitments [Line Items] Other Long-Term Debt Other Long-Term Debt Network Affiliates Network Affiliates [Member] Network Affiliates Entity Address, State or Province Entity Address, State or Province Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Investments Non -current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Investments Non -current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Investments Non -current Senior unsecured notes due 2026 Senior Unsecured Notes Due Two Thousand Twenty Eight [Member] Senior Unsecured Notes Due Two Thousand Twenty Eight [Member] Other investments Cost Method Investments (Deprecated 2023) Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Debt Issuance Costs, Current, Net Debt Issuance Costs, Current, Net Operating lease payments Operating Lease, Payments Common stock, shares outstanding (in shares) Balance (in shares) Balance (in shares) Common Stock, Shares, Outstanding Related Party Costs Related Party Costs (Deprecated 2023) Other Investments Other Investments Cash Contributed In Acquisition Cash Contributed In Acquisition Cash Contributed In Acquisition Term Loan -Second Tranche Term Loan -Second Tranche [Member] Term Loan -Second Tranche Total non-current assets Assets, Noncurrent 2022 Revolving Credit Facility Fair Value 2022 Revolving Credit Facility Fair Value [Member] 2022 Revolving Credit Facility Fair Value Other Operating Activities, Cash Flow Statement Other Operating Activities, Cash Flow Statement CONSOLIDATED NET LOSS Consolidated net loss Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Stock Options And Non-Vested Restricted Stock Stock Options And Non Vested Restricted Stock [Member] Stock options and non-vested restricted stock. On-screen advertising time which founding members have right to purchase, in seconds Length Of On Screen Advertising Time Which Founding Members Have Right To Purchase Length of on-screen advertising time which founding members have a right to purchase Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Class of Stock Class of Stock [Domain] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Debt Securities, Available-for-sale, Realized Gain (Loss) Available-for-Sale Securities, Continuous Unrealized Loss Position, Accumulated Loss (Deprecated 2023) Tax Year 2020 Tax Year 2020 [Member] Debt Instrument [Axis] Debt Instrument Debt Instrument [Axis] Schedule of Investments Schedule of Investments [Text Block] Revenue, Management Fee Revenue, Management Fee Revenue, Management Fee Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Effective tax rate Effective Income Tax Rate Reconciliation, Percent Operating Lease, Liability Operating Lease, Liability Measurement Input Type [Domain] Measurement Input Type [Domain] NCM LLC equity issued for purchase of intangible asset Noncontrolling Interest, Increase from Subsidiary Equity Issuance Credit Facility Credit Facility [Axis] Long Term Marketable Securities [Member] Long Term Marketable Securities [Member] Long-term marketable securities. Series B Preferred Stock Series B Preferred Stock [Member] Total liabilities Liabilities Transfers Related To Bankruptcy Settlement Transfers Related To Bankruptcy Settlement [Member] Transfers Related To Bankruptcy Settlement Impairment of investment Cost-method Investments, Other than Temporary Impairment (Deprecated 2023) Two Founding Members Two Founding Members [Member] Two founding members. Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Fair Value, Measurement Frequency Measurement Frequency [Domain] Repayments of revolving credit facility Repayments of Long-Term Lines of Credit NON-CURRENT LIABILITIES: Liabilities, Noncurrent [Abstract] Title of Individual [Axis] Title of Individual [Axis] Financial Commercial Paper Commercial Paper Financial [Member] Commercial paper financial. Debt Disclosure [Abstract] Debt Disclosure [Abstract] Related Party Transaction [Domain] Related Party Transaction [Domain] Units of Partnership Interest, Cash Surrender Value Units of Partnership Interest, Cash Surrender Value Units of Partnership Interest, Cash Surrender Value Number of reportable segment Number of Reportable Segments NET LOSS PER NCM, INC. COMMON SHARE: Earnings Per Share [Abstract] Common stock owned (in shares) Common Stock Owned, Shares Common Stock Owned, Shares Local and regional advertising revenue Local Advertising Revenue [Member] Local Advertising Revenue [Member] Subsequent Events [Line Items] Subsequent Event [Line Items] Selling and marketing costs Selling and Marketing Expense Common stock, $0.00 par value; 260 shares authorized, 97 and 97 issued and outstanding, respectively Common Stock, Value, Issued Administrative and other costs General and Administrative Expense On-screen advertising time purchased, in seconds Length Of On Screen Advertising Time Which Founding Members Purchased Length of on screen advertising time which founding members purchased. Credit Agreement [Domain] Credit Agreement [Domain] Credit Agreement [Domain] Pretax Book Income Pretax Book Income Pretax Book Income Net total leverage ratio Debt Instrument, Net Total Leverage Ratio Debt Instrument, Net Total Leverage Ratio Percentage of common membership units outstanding Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Total current assets Assets, Current Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table] Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table] Asset Impairment Charges Asset Impairment Charges Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Restricted Cash Restricted Cash Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Founding Members Related Party Founding Members [Member] Related Party Founding Members [Member[ Adjustments for New Accounting Pronouncements Accounting Standards Update [Axis] Other non-operating income Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Beverage Concessionaire Beverage Concessionaire [Member] Beverage Concessionaire Short-term Debt, Type Short-Term Debt, Type [Domain] Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Amortization rate Debt Instrument, Amortization Rate Debt Instrument, Amortization Rate Income Tax Authority [Axis] Income Tax Authority [Axis] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Proceeds from Sales of Assets, Investing Activities Proceeds from Sales of Assets, Investing Activities Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Base Rate Base Rate [Member] Debt payment terms Debt Instrument, Payment Terms Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Units of Partnership Interest, Amount Surrendered Units of Partnership Interest, Amount Surrendered Units of Partnership Interest, Amount Surrendered Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Class of Stock Class of Stock [Axis] Network Affiliates Network Affiliates Network Affiliates Fair Value, Nonrecurring [Member] Fair Value, Nonrecurring [Member] Short-term marketable securities Aggregate Fair Value - Short term marketable securities Debt Securities, Available-for-Sale, Current Senior secured notes due 2028 Senior Secured Notes Due Two Thousand Twenty Eight [Member] Senior Secured Notes Due Two Thousand Twenty Eight [Member] Debt Issuance Costs, Line of Credit Arrangements, Gross Debt Issuance Costs, Line of Credit Arrangements, Gross Payments to Acquire Additional Interest in Subsidiaries Payments to Acquire Additional Interest in Subsidiaries Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net AMC and Cinemark American Multi Cinema Inc And Cinemark Holdings Inc [Member] American Multi-Cinema, Inc. and Cinemark Holdings, Inc. Interest Rate Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Reversal of related deferred rent liability Deferred Rent Credit, Noncurrent Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Business Combination and Asset Acquisition [Abstract] Total NCM, Inc. stockholders’ equity Equity, Attributable to Parent Commercial Paper [Member] Commercial Paper [Member] Auction Market Preferred Securities, Stock Series, Title [Domain] Auction Market Preferred Securities, Stock Series, Title [Domain] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Revenue Cash and cash equivalents used in determining senior secured leverage ratio Debt Instrument, Senior Secured Leverage Ratio, Cash And Cash Equivalents Basis Debt Instrument, Senior Secured Leverage Ratio, Cash And Cash Equivalents Basis Purchase of an intangible asset with NCM LLC equity Noncash or Part Noncash Acquisition, Intangible Assets Acquired Schedule of Other Assets Schedule of Cost Method Investments [Table Text Block] (Deprecated 2023) Deferred tax assets, valuation allowance Deferred Tax Assets, Valuation Allowance National advertising revenue National Advertising Revenue [Member] National advertising revenue. Gain on reconsolidation of NCM LLC Reconsolidation, Gain (Loss), Amount Reconsolidation, Gain (Loss), Amount Marketing and Advertising Expense Marketing and Advertising Expense Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Common Units Common Units [Member] Common units. Subsequent Events [Abstract] Subsequent Events [Abstract] LOSS BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Revision of Prior Period [Domain] Revision of Prior Period [Domain] Unbilled accounts receivable Unbilled Contracts Receivable Noncancelable Long Term Contracts Noncancelable Long Term Contracts Noncancelable Long Term Contracts Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Financial Ratio Requirement Financial Ratio Requirement [Member] Financial Ratio Requirement Entity Emerging Growth Company Entity Emerging Growth Company Debt issuance costs, net Debt Issuance Costs, Line of Credit Arrangements, Net Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] 2018 Revolving Credit Facilities Carrying Value 2018 Revolving Credit Facilities Carrying Value [Member] 2018 Revolving Credit Facilities Carrying Value Senior secured leverage ratio Senior Secured Leverage Ratio Senior secured leverage ratio. NCM LLC equity issued for purchase of intangible asset Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance Of Equity For Purchase Of Intangible Asset Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance Of Equity For Purchase Of Intangible Asset Nonoperating Gains (Losses) Nonoperating Gains (Losses) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Remaining borrowing capacity of credit facility Line of Credit Facility, Remaining Borrowing Capacity Antidilutive Securities Antidilutive Securities [Axis] Non-cash share-based compensation Share-Based Payment Arrangement, Noncash Expense Costs and Other Reimbursment Costs and Other Reimbursment Costs and Other Reimbursment Cinemark and Regal Cinemark and Regal [Member] Cinemark and Regal [Member] Cinemark and Regal [Member] Debt instrument, repurchase amount Debt Instrument, Repurchase Amount Common Stock Common Stock [Member] Long-term marketable securities Aggregate Fair Value - Long term marketable securities Debt Securities, Available-for-Sale, Noncurrent Change from net loss attributable to NCM, Inc. and transfers from noncontrolling interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Loss Per Share Earnings Per Share [Text Block] Product and Service [Axis] Products and Services Product and Service [Axis] Ownership percentage Equity Method Investment, Ownership Percentage Document Fiscal Year Focus Document Fiscal Year Focus Debt instrument, frequency of periodic payment Debt Instrument, Frequency of Periodic Payment Weighted-average interest rate Debt, Weighted Average Interest Rate Loss (gain) on re-measurement of the payable under the tax receivable agreement Gain on re-measurement of the payable to founding members under the tax receivable agreement Gain (Loss) On Re Measurement Of Payable To Founding Members Under Tax Sharing Agreement Gain (loss) on re-measurement of payable to founding members under tax sharing agreement. Total equity Balance Balance Equity, Including Portion Attributable to Noncontrolling Interest Distributions to founding members Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Accrued distributions to founding members (including accrued distributions to related parties of $0.0 and $0.0, respectively) Noncash Distributions To Founding Members Noncash distributions to founding members. Stockholders' Equity, Reverse Stock Split Stockholders' Equity, Reverse Stock Split Business Combination, Separately Recognized Transactions, Assets Recognized Business Combination, Separately Recognized Transactions, Assets Recognized Income tax and other impacts of subsidiary ownership changes Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Income Tax And Other Impacts Of Subsidiary Ownership Change Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Income Tax And Other Impacts Of Subsidiary Ownership Change Minimum Minimum [Member] WEIGHTED AVERAGE SHARES OUTSTANDING: Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property and equipment, net of accumulated depreciation of $2.4 and $1.6, respectively Property, Plant and Equipment, Net The Company Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] AMC AMC [Member] AMC Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Amounts Due To Members, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Amounts Due To Members, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Amounts Due To Members, Net CumulativeEffectAdjustmentForAdoptionOfASU201613Net CumulativeEffectAdjustmentForAdoptionOfASU201613Net CumulativeEffectAdjustmentForAdoptionOfASU201613Net Deconsolidation, Equity Effect, Amount Deconsolidation, Equity Effect, Amount Deconsolidation, Equity Effect, Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Gain on bankruptcy Gain on bankruptcy Gain on bankruptcy Cash dividends declared Cash dividends on shares of NMC Inc Dividends, Common Stock, Cash ASSETS Assets [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other Payables to FM Other Payables to Founding Members Other Payables to Founding Members Repurchase of stock for restricted stock tax withholding Payment, Tax Withholding, Share-Based Payment Arrangement CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Debt Issuance Costs, Gross Debt Issuance Costs, Gross Cash refunds for income taxes Income Taxes Paid, Net Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Deferred Income Tax Assets, Net Deferred Income Tax Assets, Net Fair Values of the Company's Assets Fair Value, Assets Measured on Recurring Basis [Table Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Term Loan - Second Tranche, Discount Value Term Loan - Second Tranche, Discount Value Term Loan - Second Tranche, Discount Value Common membership units issued, net of returned Common Membership Units Issued Net Of Units Surrendered Common membership units issued net of units surrendered. Retained Earnings (Distribution in Excess of Earnings) Retained Earnings Retained Earnings [Member] Less: current portion of debt Long-Term Debt, Current Maturities Term Loan - Second Tranche, Debt Issuance Costs Term Loan - Second Tranche, Debt Issuance Costs Term Loan - Second Tranche, Debt Issuance Costs Interest income from notes receivable (included in interest income) Interest Income, Related Party (Deprecated 2023) ACJV Cash Distributions ACJV Cash Distributions ACJV Cash Distributions TOTAL LIABILITIES AND EQUITY Liabilities and Equity Amortized Cost Basis Debt Securities, Available-for-Sale, Amortized Cost NON-OPERATING EXPENSE (INCOME): Nonoperating Income (Expense) [Abstract] Other assets Other Assets, Noncurrent Ownership [Domain] Ownership [Domain] Operating lease, right-of-use asset Operating Lease, Right-of-Use Asset Basic (in usd per share) Earnings Per Share, Basic Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Repayments of Debt, Maturing in More than Three Months Repayments of Debt, Maturing in More than Three Months Accounting Policies [Abstract] Accounting Policies [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets Recently Adopted Accounting Pronouncements Recently Adopted Accounting Pronouncements Policy [Text Block] Recently adopted accounting pronouncements. Line of Credit, Covenant, Maximum Senior Secured Leverage Ratio Outstanding Credit Facility Waiver Limit Outstanding Credit Facility Waiver Limit Entity Address, City or Town Entity Address, City or Town AdjustmentsToAdditionalPaidInCapitalInvestmentInSubsidiary AdjustmentsToAdditionalPaidInCapitalInvestmentInSubsidiary AdjustmentsToAdditionalPaidInCapitalInvestmentInSubsidiary Costs and Expenses, Related Party Costs and Expenses, Related Party Stock Issued Stock Issued Other than Temporary Impairment Losses, Investments Impairment on Investment Impairment on Investment Consolidation Consolidation, Policy [Policy Text Block] Local And Regional Advertising Revenue [Member] Local And Regional Advertising Revenue [Member] Local and regional advertising revenue. Total non-current liabilities Liabilities, Noncurrent CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Document Transition Report Document Transition Report Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Customer Relations Customer Relations [Member] Customer Relations Common stock, shares authorized (in shares) Common Stock, Shares Authorized Preferred stock, shares issued (in shares) Auction Market Preferred Securities, Stock Series [Axis] Aggregate Fair Value - Total marketable securities Debt Securities, Available-for-Sale Document Information [Table] Document Information [Table] Management Fee Reimbursement Management Fee Reimbursement [Member] Management Fee Reimbursement Short-term debt, net of debt issuance costs of $0.0 and $0.0, respectively Short-Term Debt 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] State and Federal State And Federal [Member] State And Federal [Member] Outstanding borrowings Debt Instrument, carrying value Long-Term Debt, Gross Payments to Acquire Businesses, Gross Business Combination, Price of Acquisition, Expected Deferred tax assets reduction Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Investments by Secondary Categorization [Domain] Investments by Secondary Categorization [Domain] (Deprecated 2023) Additional amount accrued related to minimum guarantees Guarantor Obligations, Maximum Exposure, Undiscounted, Additional Amount Accrued Guarantor Obligations, Maximum Exposure, Undiscounted, Additional Amount Accrued American Multi Cinema Inc [Member] AMC American Multi Cinema Inc [Member] American Multi-Cinema, Inc. Adjustments to reconcile consolidated net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Measurement Input Type [Axis] Measurement Input Type [Axis] Accrued Distributions Made to LLC Accrued Distributions Made to Related Parties Accrued Distributions Made to Related Parties Covenant During Waiver Min [Member] Covenant During Waiver Min [Member] Covenant During Waiver [Member] Units of Partnership Interest, Amount - Regal Units of Partnership Interest, Amount - Regal Units of Partnership Interest, Amount - Regal Title of Individual [Domain] Title of Individual [Domain] Stockholders' Equity Note, Stock Split, Conversion Ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets 2019 ESA Amendment Extension Period 2019 ESA Amendment Extension Period 2019 ESA Amendment Extension Period Interest income Interest and Other Income Escrow Deposit Escrow Deposit National and Regional Advertising Revenue [Member] [Member] National and Regional Advertising Revenue [Member] [Member] National and Regional Advertising Revenue [Member] [Member] Accounts Receivable, Credit Loss Expense (Reversal) Accounts Receivable, Credit Loss Expense (Reversal) Deferred income tax benefit Deferred Income Tax Expense (Benefit) Document Information [Line Items] Document Information [Line Items] Subsequent Event Type Subsequent Event Type [Axis] Municipal Notes [Member] Municipal Notes [Member] Amount Increase In Payment Per Theater Patron Amount Increase In Payment Per Theater Patron Amount Increase In Payment Per Theater Patron Credit Agreement Second Amendment Credit Agreement Second Amendment [Member] Credit Agreement Second Amendment Senior secured notes due 2028 Senior Unsecured Notes Due Two Zero Two Six [Member] Senior unsecured notes due two zero two six. Short-term Debt, Type Short-Term Debt, Type [Axis] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Debt instrument issued percentage of face value Debt Instrument Issued Percentage Of Face Value Debt instrument issued percentage of face value. Municipal Bonds [Member] Municipal Bonds [Member] Allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Beginning Balance Accounts Receivable, Allowance for Credit Loss, Ending Balance Accounts Receivable, Allowance for Credit Loss Intercompany Loan Amount [Domain] Intercompany Loan Amount [Domain] Intercompany Loan Amount [Domain] Fair Value, Separate Account Investment [Table] Fair Value, Separate Account Investment [Table] Share Price Share Price Integration payments due from founding members Integration Payments Due From Related Parties Integration payments due from related parties. Customer with revenue in excess of ten percent of Accounts Payable Customer with revenue in excess of ten percent of Accounts Receivable Customer with revenue in excess of ten percent of Accounts Receivable Related Party Related Party, Type [Axis] Non-cash loss (gain) on re-measurement of the payable under the tax receivable agreement Non Cash Gain Loss On Re Measurement Of Payable To Founding Members Under Tax Sharing Agreement Non-cash gain (loss) on re-measurement of payable to founding members under tax sharing agreement. Share-based compensation issued (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Registrant Name Entity Registrant Name Proceeds from related parties Proceeds from Collection of Long-Term Loans to Related Parties Add: Dilutive effect of stock options and restricted stock (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Debtor Reorganization Items, Legal and Advisory Professional Fees Debtor Reorganization Items, Legal and Advisory Professional Fees Noncontrolling interests Equity, Attributable to Noncontrolling Interest Percentage of Network Theaters Open Percentage of Network Theaters Open Percentage of Network Theaters Open Document Period End Date Document Period End Date Proceeds from Lines of Credit Proceeds from Lines of Credit Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Accumulated depreciation, property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Repayments of Long-Term Debt Repayments of Long-Term Debt CumulativeEffectAdjustmentForAdoptionOfASU201613ToNCI CumulativeEffectAdjustmentForAdoptionOfASU201613ToNCI CumulativeEffectAdjustmentForAdoptionOfASU201613ToNCI Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Entity Central Index Key Entity Central Index Key Line of Credit Facility, Fair Value of Amount Outstanding Line of Credit Facility, Fair Value of Amount Outstanding Business Combination, Bargain Purchase, Gain Recognized, Amount Business Combination, Bargain Purchase, Gain Recognized, Amount Increase (Decrease) in Accounts Payable, Related Parties Increase (Decrease) in Accounts Payable, Related Parties Gain on sale of asset Gain (Loss) on Disposition of Property Plant Equipment Share-based Payment Arrangement, Expense Share-Based Payment Arrangement, Expense Income tax expense Income tax benefit Income Tax Expense (Benefit) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Accounts Receivable, Allowance for Credit Loss, Writeoff Accounts Receivable, Allowance for Credit Loss, Writeoff Income Tax Authority [Domain] Income Tax Authority [Domain] Accrued payroll and related expenses Employee-related Liabilities, Current Fair Value Measurements Fair Value Disclosures [Text Block] Operating Costs and Expenses Operating Costs and Expenses Write-off of debt issuance costs Deferred Debt Issuance Cost, Writeoff Senior Secured Credit Facility Senior Secured Credit Facility [Member] Senior secured credit facility. Interest rate on notes receivable Notes Receivable Stated Interest Rate Notes receivable stated interest rate. Summary of Revenue from Contracts with Customers Disaggregation of Revenue [Table Text Block] Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Available Cash Requirement, Covenant During Waiver Min Available Cash Requirement, Covenant During Waiver Min [Member] Available Cash Requirement, Covenant During Waiver Min REVENUE (including revenue from related parties of $0.0, and $3.3, respectively) Revenue Revenue from Contract with Customer, Excluding Assessed Tax Entity Entity [Domain] Long-term Debt, Type Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Schedule of Available-for-sale Securities [Table] Schedule of Available-for-Sale Securities [Table] (Deprecated 2023) Intangible Assets Intangible Assets Disclosure [Text Block] Percentage increase (decrease) in theater attendance for Common Unit adjustment to occur Percentage Increase Decrease In Theater Attendance For Common Unit Adjustment To Occur Percentage change in theater attendance for Common Unit adjustment to occur. Legal Entity Legal Entity [Axis] NCM, LLC. National Cine Media L L C [Member] National CineMedia, LLC. Senior secured notes due 2022 Senior Notes Due Two Zero Two Two [Member] Senior notes due two zero two two. Impaired investment balance Impaired investment balance Impaired investment balance Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Repayment of term loan facility Repayments of Notes Payable Percentage of increase in payment per theatre patron Percentage Of Increase In Payment Per Theater Patron Percentage of increase in payment per theater patron. Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Tax Period [Domain] Tax Period [Domain] Comprehensive income, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Stock Repurchased and Retired During Period, Shares Stock Repurchased and Retired During Period, Shares Credit Facility Credit Facility [Domain] Basis spread on variable rate, percent Debt Instrument, Basis Spread on Variable Rate Long-term debt Carrying value of long-term debt Long-Term Debt, Excluding Current Maturities Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Intercompany Loan Intercompany Loan Intercompany Loan Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value of Intangible Assets Non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value of Intangible Assets Non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value of Intangible Assets Non-current Summary of Changes in Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Payments to Third Parties for Extension of Intangible Assets Payments to Third Parties for Extension of Intangible Assets Payments to Third Parties for Extension of Intangible Assets Proceeds from Equity Method Investment, Investing Activities Proceeds from Equity Method Investment, Investing Activities Proceeds from Equity Method Investment, Investing Activities OPERATING EXPENSES: Operating Expenses [Abstract] Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Impaired Investments Impaired Investments [Member] Impaired investments. Accounting Standards Update 2016-13 [Member] Accounting Standards Update 2016-13 [Member] Additional Paid in Capital (Deficit) Additional Paid-in Capital [Member] Term Loan - Second Tranche, net Term Loan - Second Tranche, net Term Loan - Second Tranche, net Short Term Marketable Securities [Member] Short Term Marketable Securities [Member] Short-term marketable securities. Repayments of Unsecured Debt Repayments of Unsecured Debt TOTAL ASSETS Assets Equity in earnings of non-consolidated entities Income (Loss) from Equity Method Investments Income (Loss) from Equity Method Investments Accrued integration and other encumbered theater payments due from founding members Accrued Integration And Other Encumbered Theater Payments Due From Founding Members, Financing Activities Accrued Integration And Other Encumbered Theater Payments Due From Founding Members, Financing Activities Accrued integration and other encumbered theater payments due from founding members. Revision of Prior Period [Axis] Revision of Prior Period [Axis] Subsequent Event Subsequent Events [Text Block] Share-based compensation expense/capitalized APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Tax Period [Axis] Tax Period [Axis] Other cash flows from operating activities Proceeds From Integration And Other Encumbered Theater Payments Made By Affiliates, Operating Activities Proceeds From Integration And Other Encumbered Theater Payments Made By Affiliates, Operating Activities Proceeds From Integration And Other Encumbered Theater Payments Made By Affiliates, Operating Activities Amortization of debt issuance costs Amortization of Debt Issuance Costs Fair value of cost method investment Cost Method Investments, Fair Value Disclosure (Deprecated 2023) Fair Value, Measurements, Recurring Fair Value, Recurring [Member] ESA Parties and network affiliate fees (including fees to related parties of $0.0, and $13.9, respectively) Theater Access Fees Theater Access Fees Financial Certificates Of Deposit Financial Certificates Of Deposit [Member] Financial certificates of deposit. DueToFoundingMembersCurrent DueToFoundingMembersCurrent DueToFoundingMembersCurrent Estimated revenue to be recognized on noncancelable leases Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Contract Liabilities Contract Liabilities [Roll Forward] Contract Liabilities [Roll Forward] Revenue from Rights Concentration Risk [Member] Revenue from Rights Concentration Risk [Member] CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect National Cine Media Inc [Member] NCM Inc. National Cine Media Inc [Member] National CineMedia, Inc. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-Term Debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-Term Debt Equity Component Equity Component [Domain] Deferred income tax expense, net of valuation allowance Deferred income tax expense, net of valuation allowance Deferred income tax expense, net of valuation allowance Investment Secondary Categorization [Axis] Investment Secondary Categorization [Axis] (Deprecated 2023) Scenario [Axis] Scenario [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status OPERATING LOSS Operating Income (Loss) Theaters Open in Network Theaters Open in Network Theaters Open in Network Schedule of Mandatory Distributions to Members Distributions Made to Limited Liability Company (LLC) Member, by Distribution [Table Text Block] Customerinexcess10percentofAR Customerinexcess10percentofAR Customerinexcess10percentofAR Impairment on Investment Remaining Balance Impairment on Investment Remaining Balance Impairment on Investment Remaining Balance Intangible Assets Affiliates [Member] Intangible Assets Affiliates [Member] Intangible Assets Affiliates Related Party Transaction [Axis] Related Party Transaction [Axis] Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Increase (Decrease) in Due to Related Parties Increase (Decrease) in Due to Related Parties CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Statement [Line Items] Statement [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Unrestricted Cash and Cash Equivalent Unrestricted Cash and Cash Equivalent Unrestricted Cash and Cash Equivalent Contract with Customer, Liability, New Contract Liabilities Contract with Customer, Liability, New Contract Liabilities Contract with Customer, Liability, New Contract Liabilities Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Scenario [Domain] Scenario [Domain] Schedule of Outstanding Debt Schedule of Debt [Table Text Block] Outstanding letters of credit Long-Term Line of Credit Customer Relationships [Member] Customer Relationships [Member] AC JV, LLC A C J V L L C [Member] A C J V L L C [Member] AC JV, LLC. Schedule of Marketable Securities Debt Securities, Available-for-Sale [Table Text Block] Liabilities recorded for related party obligations Guarantor Obligations, Current Carrying Value Remaining term (in years) Agreement With Founding Members, Remaining Term Agreement With Founding Members, Remaining Term Proceeds from revolving credit facility Proceeds from Long-Term Lines of Credit EQUITY: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Available Cash Requirement, Covenant During Waiver Max Available Cash Requirement, Covenant During Waiver Max [Member] Available Cash Requirement, Covenant During Waiver Max Stock Repurchase Program, Number of Shares Authorized to be Repurchased Stock Repurchase Program, Number of Shares Authorized to be Repurchased Noncontrolling Interest Noncontrolling Interest [Member]