Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] MTA equipment deployment costs MTA deployment costs, beginning of period MTA deployment costs, end of period MTA Equipment Deployment Costs MTA equipment deployment costs Trading Arrangement: Trading Arrangement [Axis] Beneficial Owner Beneficial Owner [Member] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Net income (Ioss) available for common stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Subsequent event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Advertising structures Other Capitalized Property Plant and Equipment [Member] Stock-based compensation expense, net of tax Share-Based Payment Arrangement, Expense, after Tax Weighted average cost of debt Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount RSUs and PRSUs, Nonvested, Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Customer [Axis] Customer [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Common stock (2026 - 450.0 shares authorized, and 176.1 shares issued and outstanding; 2025 - 450.0 shares authorized, and 175.2 issued and outstanding) Common Stock, Value, Issued Taxes withheld for stock-based compensation Payment, Tax Withholding, Share-Based Payment Arrangement Accrued compensation Employee-related Liabilities, Current Nature of Expense [Axis] Nature of Expense [Axis] Other prepaid expenses Other Prepaid Expense, Current Billboard Revenue Billboard Billboard Revenue Billboard Revenue Restatement Determination Date Restatement Determination Date MTA Agreement [Table] MTA Agreement [Table] MTA Agreement Franchise agreements Franchise Rights [Member] Prepaid MTA equipment deployment costs Prepaid MTA equipment deployment costs, beginning of period Prepaid MTA equipment deployment costs, end of period Prepaid MTA Equipment Deployment Costs, Current Prepaid MTA Equipment Deployment Costs, Current Lessee, Operating Lease, Liability To Be Paid Annually, Years Six Through Ten Lessee, Operating Lease, Liability To Be Paid Annually, Years Six Through Ten Lessee, Operating Lease, Liability To Be Paid Annually, Years Six Through Ten Amendment Flag Amendment Flag Current liabilities: Liabilities, Current [Abstract] Provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Shares outstanding (shares) Entity Common Stock, Shares Outstanding Number Of Payments To Acquire Investments Number Of Payments To Acquire Investments Number Of Payments To Acquire Investments Increase in prepaid MTA equipment deployment costs Deployment costs incurred Increase (Decrease) in Prepaid MTA Equipment Deployment Costs Increase (Decrease) in Prepaid MTA Equipment Deployment Costs Series of Individually Immaterial Asset Acquisitions Series of Individually Immaterial Asset Acquisitions [Member] Leases [Abstract] Leases [Abstract] Maturity date Debt Instrument, Maturity Date Related Party Transactions Related Party Transactions Disclosure [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Contract term Customer Contract Term Customer Contract Term Liabilities settled Asset Retirement Obligation, Liabilities Settled Property, Plant, and Equipment [Abstract] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province MTA Agreement [Line Items] MTA Agreement Line Items [Line Items] MTA Agreement Line Items Permits and leasehold agreements Licensing Agreements [Member] PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value per share ($ per share) Common stock, par value per share ($ per share) Common Stock, Par or Stated Value Per Share Other Other [Member] Other [Member] Asset Acquisition [Axis] Asset Acquisition [Axis] Noncurrent liabilities: Liabilities, Noncurrent [Abstract] Non-vested as of December 31, 2025 (shares) Non-vested as of March 31, 2026 (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Debt Covenant, covenant description Debt Instrument, Covenant Description Basic (in shares) Weighted average number of shares for basic EPS (shares) Weighted Average Number of Shares Outstanding, Basic Lessee, Operating Lease, Liability to be Paid Annually Years One Through Five Lessee, Operating Lease, Liability to be Paid Annually Years One Through Five Lessee, Operating Lease, Liability to be Paid Annually Years One Through Five Operating lease assets and liabilities, lessee Operating Assets And Liabilities, Lessee [Table Text Block] Operating Assets And Liabilities, Lessee Recoupment Recovery of Direct Costs Debt instrument, collateral amount Debt Instrument, Collateral Amount Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of Reportable Segments Number of Reportable Segments Total current liabilities Liabilities, Current Increase in deferred revenues Increase (Decrease) in Deferred Revenue Entity Address, City or Town Entity Address, City or Town Purchase price of acquisitions Asset Acquisition, Consideration Transferred Approximate number of displays acquired Number of displays Number Of Displays Number Of Displays Granted (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Stock-based payments: Vested (shares) Vested (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Class of Stock [Axis] Class of Stock [Axis] Intangible assets Intangible assets Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Return of investment in investee companies Proceeds from Equity Method Investment, Distribution, Return of Capital Net income (loss) available for common stockholders, basic Net Income (Loss) Available to Common Stockholders, Basic Billboard Property Lease Billboard Property Lease [Member] Billboard Property Lease Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Accumulated amortization Intangible Asset, Finite-Lived, Accumulated Amortization Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Billboard Operating Segment Billboard Operating Segment [Member] Billboard Operating Segment United States UNITED STATES Other Revenues Other Revenues [Member] Other Revenues Dividends [Domain] Dividends [Domain] Name of Property [Axis] Name of Property [Axis] Condemnations Condemnations [Member] Condemnations Transit Operating Segment Transit Operating Segment [Member] Transit Operating Segment Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Segment Adjusted OIBDA Margin Segment Adjusted OIBDA Margin Segment Adjusted OIBDA Margin Standalone letters of credit and sublimit to revolving credit facility Standalone letters of credit and sublimit to revolving credit facility [Member] Standalone Letters of Credit and Sublimit to Revolving Credit Facility [Member] Adoption of New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Accrued purchases of property and equipment Capital Expenditures Incurred but Not yet Paid Land Land [Member] Use of estimates Use of Estimates, Policy [Policy Text Block] Amortization of deferred financing costs and debt discount Amortization of Debt Issuance Costs Investment, Acquisition Date Investment, Acquisition Date Redeemable Noncontrolling Interests Noncontrolling Interest Disclosure [Text Block] Repayments of borrowings under short-term debt facilities Repayments of Lines of Credit Property and Equipment, Net Property, Plant, and Equipment [Text Block] Increase in operating lease assets and liabilities Increase (Decrease) In Operating Lease Assets And Liabilities Increase (decrease) in operating lease assets and liabilities Increase (decrease) in income taxes Increase (Decrease) in Income Taxes Payable Quarterly period ended Document Period End Date Change in assets and liabilities, net of investing and financing activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash flow used for investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Series A Preferred Stock outstanding (shares) Series A Preferred Stock outstanding (shares) Temporary Equity, Shares Outstanding Security Exchange Name Security Exchange Name Restricted Stock Units and Performance Restricted Stock Units Restricted Stock Units and Performance Restricted Stock Units [Member] Restricted Stock Units and Performance Restricted Stock Units [Member] Reconciliation of Revenue and Operating Measures from Segments to Consolidated Segment Reporting, Reconciliation of Revenue by Segment to Consolidated [Table Text Block] Interest rate at period end Debt Instrument, Interest Rate, Effective Percentage Net proceeds from dispositions Proceeds from Sales of Business, Affiliate and Productive Assets Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Decrease in revenue percentage Decrease In Revenues Percentage Decrease In Revenues Percentage Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Short-term operating lease liabilities Operating Lease, Liability, Current Property and Equipment, Net Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] AdQuick Agreement [Axis] AdQuick Agreement [Axis] AdQuick Agreement Earnings Per Share ("EPS") Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Net income (loss) per common share: Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Schedule of Earnings Per Share, Basic and Diluted Schedule of Weighted Average Number of Shares [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Transit Transit Franchise Contract [Member] Transit Franchise Contract [Member] Geographical [Domain] Geographical [Domain] Transit Franchise Transit Franchise [Member] Transit Franchise Capital expenditures Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Software License Contract Term Software License Contract Term Software License Contract Term Company Selected Measure Name Company Selected Measure Name Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Dividends payable, date of record Dividends Payable, Date of Record Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Related Party Transactions [Abstract] Related Party Transactions [Abstract] Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Impairment Finite-Lived Intangible Assets Accumulated Impairment Finite-Lived Intangible Assets Accumulated Impairment Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Weighted average number of shares for diluted EPS (shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Emerging growth company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Property and equipment, useful life Property, Plant, and Equipment, Useful Life MTA communication displays MTA Communication Screens [Member] MTA Communication Screens [Member] Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Dividends Dividends Proceeds from borrowings under short-term debt facilities Proceeds from Lines of Credit Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Other intangible assets Other Intangible Assets [Member] Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Cash paid for operating leases Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based payments: Amortization APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Total operating lease payments Lessee, Operating Lease, Liability, to be Paid Additions Asset Retirement Obligation, Liabilities Incurred Dilutive potential shares from grants of RSUs and PRSUs (shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Weighted Average Grant Date Fair Value, Non-Vested, as of December 31, 2025 ($ per share) Weighted Average Grant Date Fair Value, Non-Vested, as of March 31, 2026 ($ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] AdQuick Agreement [Member] AdQuick Agreement [Member] AdQuick Agreement Preferred stock, par value per share ($ per share) Preferred Stock, Par or Stated Value Per Share Commitment fee for unused commitments Line of Credit Facility, Commitment Fee Amount Long-term debt at fair value Long-Term Debt, Fair Value Redeemable noncontrolling interests Redeemable noncontrolling interests, beginning of period Redeemable noncontrolling interests, end of period Redeemable Noncontrolling Interest, Equity, Carrying Amount Depreciation Depreciation Depreciation Antidilutive Securities [Axis] Antidilutive Securities [Axis] Scenario [Domain] Scenario [Domain] Asset Acquisition [Domain] Asset Acquisition [Domain] Metropolitan Transportation Authority ("MTA") Metropolitan Transportation Authority ("MTA") [Member] Metropolitan Transportation Authority ("MTA") Operating lease assets Operating Lease, Right-of-Use Asset Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Operating Income (Loss) [Abstract] Operating Income (Loss) [Abstract] Asset retirement obligations, description Asset Retirement Obligations, Description Corporate and Reconciling Items Corporate and Reconciling Items [Member] Corporate and Reconciling Items Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Transit shelter joint ventures Transit Shelter Joint Ventures [Member] Transit Shelter Joint Ventures Expiration Date Trading Arrangement Expiration Date MTA digital advertising screens on subway and train platforms MTA Digital Advertising Screens In Station [Member] MTA Digital Advertising Screens In Station [Member] MTA Agreement [Domain] MTA Agreement [Domain] [Domain] for MTA Agreement [Axis] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Liabilities: Liabilities [Abstract] Adjusted OIBDA Segment Operating Measure Metric by which segment operations are measured. Weighted average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Buildings Building [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock authorized (shares) Common Stock, Shares Authorized Intangible asset, useful life Intangible Asset, Finite-Lived, Useful Life Activity of RSUs and PRSUs Issued to Our Employees Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] Exercise Price Award Exercise Price Restructuring Cost [Table] Restructuring Cost [Table] Investing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Static displays Static Displays [Member] Static Displays [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Income (loss) before provision for income taxes and equity in earnings of investee companies Income (loss) before provision for income taxes and equity in earnings of investee companies Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Investment Owned, Cost Investment Owned, Cost Debt Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] MTA Funding MTA Funding [Member] MTA Funding Series A Preferred Stock Convertible Preferred Stock [Member] Deferred financing costs Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity method investments Equity Method Investments Lease Contractual Term [Axis] Lease Contractual Term [Axis] As of December 31, 2025 As of March 31, 2026 Restructuring Reserve Acquisitions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured debt Secured Debt [Member] Total expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Investment in investee companies Payments to Acquire Equity Method Investments Debt interest rate percentage Debt Instrument, Interest Rate, Stated Percentage Total stockholders' equity Total stockholders' equity, beginning of period Total stockholders' equity, end of period Equity, Attributable to Parent Assets: Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Surety bonds outstanding Surety Bonds Outstanding Surety Bonds Outstanding Allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance Restricted Stock Units (PRSUs) Performance Shares [Member] Selling, general and administrative Selling, General and Administrative Expense Selling, General and Administrative Expense Interest expense, net Interest Income (Expense), Nonoperating Letter of credit Letter of Credit [Member] Other Noncontrolling Interest, Increase from Subsidiary Equity Issuance Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Rental income Operating Lease, Lease Income LA Joint Venture LA Joint Venture [Member] LA Joint Venture Accretion expense Accretion Expense, Including Asset Retirement Obligations Antidilutive securities excluded from EPS calculation (shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of operating segments Number of Operating Segments Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key Less: Accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization All Adjustments to Compensation All Adjustments to Compensation [Member] Name of Property [Domain] Name of Property [Domain] Approximate number of markets in which the entity operates Number of Markets in Which the Entity Operates Approximate Number of Markets in Which the Entity Operates Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Liabilities settled Restructuring and Related Cost, Incurred Cost Net cash flow provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Operating Operating Direct Operating Costs Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Series A Preferred Stock dividend rate (%) Preferred Stock, Dividend Rate, Percentage Expenses: Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Intangible Asset, Finite-Lived Intangible Asset, Finite-Lived [Table Text Block] Deferred revenues Deferred Revenue, Current Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block] City Area Code City Area Code MTA equipment deployment costs MTA Equipment Deployment Costs [Member] MTA Equipment Deployment Costs [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Equity method investment, number of displays Equity Method Investment, Number Of Displays Equity Method Investment - Number Of Displays All Individuals All Individuals [Member] Dividends Dividends paid Payments of Dividends Name Forgone Recovery, Individual Name Expected recognition period for non-vested RSUs and PSUs Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition AR Facility AR Facility [Member] AR Facility [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] RSUs and PRSUs, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Line Items] Statement [Line Items] Total assets Assets Business Combination [Abstract] Business Combination [Abstract] Preferred Stock, Shares Issued Preferred Stock, Shares Issued Stock-based compensation Employee Benefits and Share-Based Compensation Accounting Standards Update and Change in Accounting Principle [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] MTA Agreement MTA Agreement [Member] MTA Agreement Operating segments Operating Segments [Member] AdQuick Agreement [Domain] AdQuick Agreement [Domain] AdQuick Agreement [Domain] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Shares issued under the ATM Program (shares) Stock Issued During Period, Shares, New Issues PEO PEO [Member] Total debt, net Debt, Long-Term and Short-Term, Combined Amount Series A Preferred Stock Temporary Equity Preferred Stock [Member] Temporary Equity Preferred Stock Stock-based compensation expenses, before income taxes Share-Based Payment Arrangement, Expense O 2025 Q2 Dividends O 2025 Q2 Dividends [Member] O 2025 Q2 Dividends Other liabilities Other Liabilities, Noncurrent Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount MTA franchise rights Purchase Of MTA Franchise Rights Purchase Of MTA Franchise Rights Weighted Average Grant Date Fair Value, Grants ($ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value MTA agreement schedule MTA Agreement [Table Text Block] MTA Agreement 4.250% senior unsecured notes, due 2029 Senior Notes Due 2029 [Member] Senior Notes Due 2029 Subsequent Event Type [Domain] Subsequent Event Type [Domain] Distribution in Excess of Earnings Retained Earnings [Member] Operating lease liabilities Non-current operating lease liabilities Operating Lease, Liability, Noncurrent Revolving credit facility Revolving Credit Facility [Member] Asset Retirement Obligation Asset Retirement Obligation Disclosure [Text Block] Series A Preferred Stock Series A Preferred Stock [Member] Weighted Average Grant Date Fair Value, Forfeited ($ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock outstanding (shares) Common stock outstanding (shares) Common stock outstanding (shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted (in dollars per share) Earnings Per Share, Diluted Filed all reports required to be filed by Section 13 or 15(d) Entity Current Reporting Status Net cash flow used for financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Total Shareholder Return Amount Total Shareholder Return Amount Shares paid for tax withholding for stock-based payments Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation (Increase) decrease in prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Furniture, equipment and other Furniture, Equipment And Other [Member] Furniture, equipment and other [Member] Amortization Amortization Intangible Asset, Finite-Lived, Amortization Expense Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Lease Contractual Term [Domain] Lease Contractual Term [Domain] Series A Preferred Stock, par value per share ($ per share) Temporary Equity, Par or Stated Value Per Share Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity At-The-Market Equity Offering Program At-The-Market Equity Offering Program [Member] At-The-Market Equity Offering Program [Member] Surety Bond Surety Bond [Member] Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Static and Digital Displays Static and Digital Displays [Member] Static and Digital Displays Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Accrued MTA franchise rights MTA Franchise Rights Not Yet Paid MTA Franchise Rights Not Yet Paid Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Revenues Revenue from Contract with Customer [Text Block] Number of largest domestic markets in which the entity operates Number of Largest Markets in Which the Entity Operates, Domestic Number of Largest Markets in Which the Entity Operates, Domestic Accrued lease and franchise costs Accrued Rent, Current 2 Times Square And 1600 Broadway 2 Times Square And 1600 Broadway [Member] 2 Times Square And 1600 Broadway Construction in progress Construction in Progress [Member] Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Segment Reporting [Table] Segment Reporting [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Lease expenses, lessee Lease, Cost [Table Text Block] Other current assets Other current assets, beginning of period Other current assets, end of period Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating income Operating Income (Loss) 4.625% senior unsecured notes, due 2030 Senior Notes Due 2030 [Member] Senior Notes Due 2030 [Member] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount MTA displays installed MTA Displays Installed [Member] MTA Displays Installed [Member] Related Party [Domain] Related Party Transaction [Domain] Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount License fee Communications and Information Technology Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Debt Covenant, maximum consolidated total leverage ratio Debt Covenant, Maximum Consolidated Total Leverage Ratio Debt Covenant, Maximum Consolidated Total Leverage Ratio Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Dividends declared per common share ($ per share) Common Stock, Dividends, Per Share, Declared Commission File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Asset retirement obligation, expected term Asset Retirement Obligation Expected Term Asset Retirement Obligation Expected Term Common stock issued (shares) Common Stock, Shares, Issued Measure: Measure [Axis] 7.375% senior secured notes, due 2031 7.375% senior notes, due 2031 [Member] 7.375% senior notes, due 2031 Asset retirement obligation As of December 31, 2025 As of March 31, 2026 Asset Retirement Obligations, Noncurrent Equity Components [Axis] Equity Components [Axis] Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Cash paid for income taxes Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Net income (loss) attributable to redeemable and non-redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Adjustment to redeemable value of noncontrolling interests Noncontrolling Interest, Change in Redemption Value Entity Small Business Entity Small Business Open tax year Open Tax Year Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Unamortized debt discount Debt Instrument, Unamortized Discount Termination Date Trading Arrangement Termination Date Shares paid for tax withholding for stock-based payments (shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Property and Equipment [Line Items] Property, Plant, and Equipment [Line Items] 5.000% senior unsecured notes, due 2027 Senior Notes Due 2027 [Member] Senior Notes Due 2027 [Member] Equity Equity Note Disclosure [Text Block] Equity Note Disclosure Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities Other Liabilities, Current Other assets Other Assets, Noncurrent Document Type Document Type Acquisitions Payments to Acquire Businesses, Net of Cash Acquired MTA equipment development cost additions MTA Equipment Development Cost Additions MTA equipment development cost additions Fair Value as of Grant Date Award Grant Date Fair Value Net loss on dispositions Net loss on dispositions Net loss on dispositions Gain (Loss) on Disposition of Assets Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Posting Maintenance And Other Posting Maintenance And Other [Member] Posting Maintenance And Other Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Management Service Management Service [Member] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Registrant's telephone number, including area code Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Zip Code Entity Address, Postal Zip Code Exact name of registrant as specified in its charter Entity Registrant Name Description of Business and Basis of Presentation Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] ATM Program, authorized amount outstanding At-The-Market Equity Offering Program, Authorized Amount Outstanding At-The-Market Equity Offering Program, Authorized Amount Outstanding At-The-Market Equity Program [Domain] At-The-Market Equity Program [Domain] [Domain] for At-The-Market Equity Program [Axis] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies Commitments and Contingencies Credit facility, expiration date Line of Credit Facility, Expiration Date Gross Intangible assets, gross, beginning of period Intangible assets, gross, end of period Intangible Asset, Finite-Lived, before Accumulated Amortization Revenues Revenues Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Property and equipment Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Equity in earnings of investee companies, net of tax Equity in earnings of investee companies, net of tax Income (Loss) from Equity Method Investments Decrease in accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Liabilities and Equity Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Series A Preferred Stock (dollars) Series A Preferred Stock (dollars) Temporary Equity, Carrying Amount, Attributable to Parent Award Type [Domain] Award Type [Domain] Term Loan Due 2032 Term Loan Due 2032 [Member] Term Loan Due 2032 Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Lessee, Operating Lease, Liability to be Paid Annually Lessee, Operating Lease, Liability to be Paid Annually Lessee, Operating Lease, Liability to be Paid Annually AR securitization facilities Asset Pledged as Collateral [Member] Supplemental disclosure of cash flow Information: Supplemental Cash Flow Information [Abstract] Operating lease term (lessee) Lessee, Operating Lease, Term of Contract PEO Name PEO Name Geographical [Axis] Geographical [Axis] Letter of credit sublimit to revolving credit facility Letter Of Credit Sublimit To Revolving Credit Facility [Member] Letter Of Credit Sublimit To Revolving Credit Facility [Member] Richard H. Sauer [Member] Richard H. Sauer Property and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] I.R.S. Employer Identification No. Entity Tax Identification Number Other Commitments [Line Items] Other Commitments [Line Items] Tax benefit Share-Based Payment Arrangement, Expense, Tax Benefit Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Taxes withheld for stock-based compensation Taxes Withheld For Stock-Based Compensation Taxes withheld for stock-based compensation not yet paid Schedule of Change in Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Other accrued expenses Other Accrued Liabilities, Current State or other jurisdiction of incorporation or organization Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Contract term extension option Customer Contract Term Extension Option Customer Contract Term Extension Option Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Schedule of Debt Instruments Schedule of Debt [Table Text Block] Accrued interest Interest and Dividends Payable, Current Number of display additions Number Of Display Additions Number Of Display Additions Customer [Domain] Customer [Domain] Investment, Name [Domain] Investment, Name [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Additional equipment deployment cost percentage Additional Equipment Deployment Costs Percentage Additional Equipment Deployment Costs Percentage Long-term debt, net Long-Term Debt, Excluding Current Maturities Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Receivables, less allowance ($25.0 in 2026 and $23.2 in 2025) Accounts Receivable, after Allowance for Credit Loss, Current Leases Leases [Text Block] Leases [Text Block] Distribution in excess of earnings Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] Debt Covenant, maximum consolidated net secured leverage ratio, REIT Election Debt Covenant, Maximum Consolidated Net Secured Coverage Ratio, REIT Election Debt Covenant, Maximum Consolidated Net Secured Coverage Ratio, REIT Election Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common stock Common Stock [Member] Employee Severance Employee Severance [Member] Operating lease expenses Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Consolidated total leverage ratio Consolidated Total Leverage Ratio Consolidated Total Leverage Ratio Cover [Abstract] Cover [Abstract] Noncontrolling Interest [Abstract] Equity Awards Adjustments Equity Awards Adjustments [Member] Total liabilities and equity Liabilities and Equity Variable lease costs Variable Lease, Cost Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Intangible Assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Dividends payable, date to be paid Dividends Payable, Date to be Paid Non-controlling interests Non-controlling interests, beginning of period Non-controlling interests, end of period Equity, Attributable to Noncontrolling Interest Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] At-The-Market Equity Offering Program [Axis] At-The-Market Equity Offering Program [Axis] At-The-Market Equity Offering Program [Axis] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Intangible asset related to franchise agreements additions Payments to Acquire Intangible Assets Stock-based compensation expense Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Equity method investment, number of investments Equity Method Investment, Number of Investments Equity Method Investment, Number of Investments Accretion expense Asset Retirement Obligation, Accretion Expense MTA smaller-format digital advertising screens rolling stock MTA In Car Displays [Member] MTA In Car Displays [Member] Lessee, Operating Lease, Liability To Be Paid, Year Five Lessee, Operating Lease, Liability To Be Paid, Year Five Lessee, Operating Lease, Liability To Be Paid, Year Five Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Name Awards Close in Time to MNPI Disclosures, Individual Name Stockholders’ equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Payments to Acquire Investments Payments to Acquire Investments Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Forfeitures (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Noncurrent assets: Assets, Noncurrent [Abstract] Property and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Transit Transit and Other Revenue Transit and Other Revenue Preferred stock authorized (shares) Preferred Stock, Shares Authorized Change In MTA Deployment Costs Rollforward [Roll Forward] Change In MTA Deployment Costs Rollforward [Roll Forward] Change In MTA Deployment Costs Rollforward Property and Equipment, Net [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Redeemable Nonontrolling interest Temporary Equity Redeemable Noncontrolling interest [Member] Temporary Equity Redeemable Noncontrolling interest Net income (loss) attributable to redeemable noncontrolling interest Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Class of Stock [Domain] Class of Stock [Domain] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Credit Facility [Axis] Credit Facility [Axis] Restructuring Charges Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount MTA Agreement [Axis] MTA Agreement [Axis] MTA Agreement [Axis] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Total Recoupment And MTA Funding Total Recoupment And MTA Funding Total Recoupment And MTA Funding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Increase (Decrease) in Other Current Assets Increase (Decrease) in Other Current Assets Revenue share percentage Other Commitment Percentage Other Commitment Percentage Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-in Capital Additional Paid-in Capital [Member] Entity filer category Entity Filer Category Transit Franchise Contract [Domain] Transit Franchise Contract [Domain] [Domain] for Transit Franchise Contract [Axis] Dividends [Axis] Dividends [Axis] Name Trading Arrangement, Individual Name Unrecognized compensation costs related to non-vested RSUs and PSUs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Dividends payable, date declared Dividends Payable, Date Declared Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Prepaid lease and transit franchise costs Prepaid Lease and Transit Franchise Costs Prepaid rent for billboard leases and transit franchises Company Selected Measure Amount Company Selected Measure Amount Transit Franchise Contract [Axis] Transit Franchise Contract [Axis] Transit Franchise Contract [Axis] Distributions from investee companies Proceeds from Equity Method Investment, Distribution Digital displays Digital Displays [Member] Digital Displays [Member] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Net income (loss) before allocation to redeemable and non-redeemable noncontrolling interests Net income (loss) before allocation to redeemable and non-redeemable noncontrolling interests Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Senior unsecured notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Leased assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Weighted Average Grant Date Fair Value, Vested ($ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Credit facility, outstanding amount Line of Credit Facility, Fair Value of Amount Outstanding Provision for income taxes Income Tax Expense (Benefit) Adjustments to reconcile net income (loss) to net cash flow provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Award Timing Method Award Timing Method [Text Block] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] Net Income (Loss) Attributable to Parent [Abstract] New Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Net income (loss) attributable to OUTFRONT Media Inc. Net income (loss) attributable to OUTFRONT Media Inc. Net income (loss) available for common stockholders Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Acquired businesses Acquired Business [Member] Acquisition during the period Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Debt issuance costs Unamortized Debt Issuance Expense Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Restatement Determination Date: Restatement Determination Date [Axis] Net secured leverage ratio Maximum Consolidated Net Secured Leverage Ratio Maximum Consolidated Net Secured Leverage Ratio Decrease in receivables Increase (Decrease) in Receivables Stock compensation plan Share-Based Payment Arrangement [Member] Revenues: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]