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Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] New Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] 10.875% Second Lien Notes due 2030 10.875% Second Lien Notes due 2030 [Member] 10.875% Second Lien Notes due 2030 Increase (Decrease) in accounts payable Increase (Decrease) in Accounts Payable Interest expense, net Interest Income (Expense), Nonoperating Goodwill [Line Items] Goodwill [Line Items] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] REVENUE Revenue from Contract with Customer [Text Block] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Schedule of Reportable Segment Results Schedule of Segment Reporting Information, by Segment [Table Text 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Awarded Compensation Disclosure [Line Items] Revenue recognized, included in beginning balance Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Special warrants, conversion terms, ownership percentage of capital stock or voting interests (as a percent) Class Of Warrant Or Right, Conversion Terms, Ownership Of Capital Stock Or Voting Interests, Percent Class Of Warrant Or Right, Conversion Terms, Ownership Of Capital Stock Or Voting Interests, Percent Name Awards Close in Time to MNPI Disclosures, Individual Name Segment Adjusted EBITDA Adjusted Earnings Before Interest, Taxes, Depreciation and Amortization Adjusted Earnings Before Interest, Taxes, Depreciation and Amortization DENOMINATOR: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] 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Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Cash paid for amounts included in measurement of operating lease liabilities Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net loss attributable to the Company – common shares, diluted Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Corporate and other reconciling items Corporate And Reconciling Items [Member] Corporate And Reconciling Items [Member] Common stock Common Stock, Value, Issued Goodwill Goodwill [Roll Forward] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Weighted average common shares outstanding - Diluted (in shares) Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingent liabilities (Note 6) Commitments and Contingencies Sponsorship and Events Sponsorship And Events [Member] Sponsorship and Events [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Non- controlling Interest Noncontrolling Interest [Member] Segment Assets Segment Assets Segment Assets Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Schedule of Barter and Trade Revenues and Expenses Barter And Trade Revenues And Expenses [Table Text Block] Barter And Trade Revenues And Expenses Table [Text Block] NUMERATOR: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Underlying Securities Award Underlying Securities Amount Short-Term Debt [Line Items] Short-Term Debt [Line Items] 8.375% Senior Unsecured Notes due 2027 8.375% Senior Unsecured Notes Due 2027 [Member] 8.375% Senior Unsecured Notes Due 2027 Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount INCOME TAXES Income Tax Disclosure [Text Block] Debt Premium Debt Instrument, Unamortized Premium Class A Shares Class A Common Stock Common Class A [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Loss before income taxes Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax Aggregate market value of debt Debt Instrument, Fair Value Disclosure Total Stockholders' Deficit Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Incremental Term Loan Facility due 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Podcast [Member] Digital Podcast [Member] Total available liquidity amount Total Available Liquidity Amount Total Available Liquidity Amount Increase (Decrease) in deferred revenue Increase (Decrease) in Contract with Customer, Liability Deferred revenue from contracts with customers: Deferred Revenue From Contracts With Customers [Abstract] Deferred Revenue From Contracts With Customers Towers, transmitters and studio equipment Towers Transmitters And Studio Equipment [Member] Towers Transmitters And Studio Equipment [Member] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE ASSETS AND GOODWILL Property, Plant and Equipment Disclosure [Text Block] Subsidiary Subsidiaries [Member] Property, plant and equipment, net Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization STOCKHOLDERS' DEFICIT 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