Dividends paid per share (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Statistical Measurement [Domain] Statistical Measurement [Domain] Property and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Term Loan B-6, due December 31, 2029 Term Loan B-6 [Member] Term Loan B-6 Right to acquire capital stock Related Party Transaction Right to Acquire Capital Stock of Related Party Percentage Percentage of capital stock or assets to be acquired in business combination. Antidilutive Securities Excluded from Computation Earnings Per Share, Diluted, Other Disclosure [Abstract] Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Derivative, floor interest rate (as a percent) Derivative, Floor Interest Rate Additional Paid-In Capital Additional Paid-in Capital [Member] Loss from equity method investments Loss from equity method investments Income (Loss) from Equity Method Investments Tabular List, Table Tabular List [Table Text Block] Frederick Smith Frederick Smith [Member] Frederick Smith Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Nature of Operations Nature of Operations [Policy Text Block] Disclosure of accounting policy for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. Schedule of Carrying Value and Fair Value of Notes and Debentures Fair Value, by Balance Sheet Grouping [Table Text Block] Number of petitions filed Litigation Settlement, Number of Petitions Filed Litigation Settlement, Number of Petitions Filed STG 4.125% Unsecured Notes due 2030 STG 4.125% Unsecured Notes due 2030 [Member] STG 4.125% Unsecured Notes due 2030 License License [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic earnings per share (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] RELATED PERSON TRANSACTIONS Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] (Decrease) increase in accounts payable and accrued and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities J. Duncan Smith J. Duncan Smith [Member] J. Duncan Smith Political advertising revenue Political Advertising Revenue [Member] Political Advertising Revenue Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Financial Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Intersegment revenues Intersegment Revenues Intersegment Revenues Other Other Assets, Miscellaneous, Noncurrent STG Second-Out First Lien Secured Notes 4.375 Percent due 2032 STG Second-Out First Lien Secured Notes 4.375 Percent due 2032 [Member] STG Second-Out First Lien Secured Notes 4.375 Percent due 2032 Adjustment to Compensation, Amount Adjustment to Compensation Amount Affiliated Entity Affiliated Entity [Member] Concentration risk (as a percent) Concentration Risk, Percentage Debt discount and deferred financing costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Principles of Consolidation and Interim Financial Statements Consolidation, Policy [Policy Text Block] Stock-based compensation Equity-based compensation Share-Based Payment Arrangement, Noncash Expense First lien leverage ratio Debt Instrument, Covenant, Required Prepayment, First Lien Leverage Ratio Debt Instrument, Covenant, Required Prepayment, First Lien Leverage Ratio Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Consolidated VIEs Variable Interest Entity, Primary Beneficiary [Member] Television Programming Contract Rights Contractual Rights [Member] Total Sinclair shareholders’ equity Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current assets: Current assets: Assets, Current [Abstract] AR Facility AR Facility [Member] AR Facility Total liabilities and equity Liabilities and Equity Marquee Marquee [Member] Marquee Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] OTHER INCOME (EXPENSE): Other Nonoperating Income (Expense) [Abstract] Cover [Abstract] Cover [Abstract] Term Loan Term Loan [Member] Term Loan [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Finite-lived intangible asset, useful life (in years) Finite-Lived Intangible Asset, Useful Life Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Net income attributable to the noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Accounting Policies [Abstract] Definite-lived intangible assets, net Finite-Lived Intangible Assets, Net Restricted Stock Restricted Stock [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Atlantic Automotive Corporation Atlantic Automotive Corporation [Member] Atlantic Automotive Corporation Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] The Baltimore Sun The Baltimore Sun [Member] The Baltimore Sun Compliance plan term Litigation Settlement, Compliance Plan Term Litigation Settlement, Compliance Plan Term Jason Smith Jason Smith [Member] Jason Smith Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] LMA Local Marketing Agreements [Member] Represents details pertaining to Local Marketing Agreements (LMAs). Borrowings under revolving credit facility exceed total commitments (as a percent) Debt Instrument, Covenant, First Lien Leverage Ratio Test, Borrowings Exceed Total Commitments, Percent Debt Instrument, Covenant, First Lien Leverage Ratio Test, Borrowings Exceed Total Commitments, Percent Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount LIABILITIES Liabilities [Abstract] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Issuance of forfeiture penalty upheld Loss Contingency, Issuance of Forfeiture Penalty Upheld Loss Contingency, Issuance of Forfeiture Penalty Upheld Other long-term liabilities Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Non-media revenue Other Non Media Revenue Revenues from rendering of other non-media services, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts Recourse Status [Domain] Recourse Status [Domain] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Comprehensive income attributable to the noncontrolling interests Comprehensive income attributable to the noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive income (loss) attributable to Sinclair Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Amortization of program costs Amortization of program costs Amortization of Program Contract Costs Amortization of Program Contract Costs Distributions to noncontrolling interests Payments to Noncontrolling Interests Current portion of operating lease liabilities Operating Lease, Liability, Current Schedule of Changes in Level 3 Financial Liabilities Measured on Recurring Basis Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Deferred tax liabilities Deferred Income Tax Liabilities, Net Document Fiscal Period Focus (Q1,Q2,Q3,FY) Document Fiscal Period Focus Decrease in program contracts payable Payments on Program Contracts Payable Payments on Program Contracts Payable Award Timing Method Award Timing Method [Text Block] Purchase options, broadcast stations Purchase Options, Broadcast Stations Purchase Options, Broadcast Stations Litigation Case [Domain] Litigation Case [Domain] Award Type [Axis] Award Type [Axis] Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Assets Trading Symbol Trading Symbol 4.125% Senior Secured Notes due 2030 STG 4.125% Secured Notes [Member] STG 4.125% Secured Notes Income Taxes Income Tax, Policy [Policy Text Block] Class A Common Stock issued pursuant to employee benefit plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town CASH FLOWS FROM OPERATING ACTIVITIES: CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Other segment items Segment Reporting, Other Segment Item, Amount Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Contract period utilizing accelerated amortization method (in years) Finite-Lived Intangible Asset, Useful Life Greater Than Period To Be Amortized Utilizing Accelerated Method Finite-Lived Intangible Asset, Useful Life Greater Than Period To Be Amortized Utilizing Accelerated Method Change in Accounting Estimate [Table] Change in Accounting Estimate [Table] Cash Payments To Sinclair Cash Payments To Sinclair [Member] Cash Payments To Sinclair Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Annual Fee Local Marketing Agreements, Annual Fee [Member] Local Marketing Agreements, Annual Fee Business combination, consideration transferred Business Combination, Consideration Transferred 4.125% Unsecured Notes due 2030 STG 4.125 Unsecured Notes [Member] STG 4.125 Unsecured Notes Tennis Tennis Tennis Segment [Member] Tennis Segment Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Other investments Investments Other Investments Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Leased assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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] Level 2 Fair Value, Inputs, Level 2 [Member] Interest Rate Collar, Agreement Two Interest Rate Collar, Agreement Two [Member] Interest Rate Collar, Agreement Two Equity method investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Indefinite-lived intangible assets Indefinite-lived intangible assets reclassified Indefinite-Lived Intangible Assets (Excluding Goodwill) Sinclair, Inc. Sinclair, Inc. [Member] Sinclair, Inc. Related Party Related Party [Member] Distributions to member, net Distributions to member, net Payments of Distributions to Affiliates Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding KMYT and KOKI KMYT and KOKI [Member] KMYT and KOKI Shares received in exchange for advertising spots Equity Shares, Received in Exchange for Advertising Spots Equity Shares, Received in Exchange for Advertising Spots PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Distributions and proceeds from investments Proceeds from Sale, Maturity and Collection of Investments Change in assets and liabilities, net of acquisitions: Change in assets and liabilities, net of acquisitions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [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] Local Media Local Media Segment [Member] Local Media Segment Accumulated Deficit Accumulated Deficit Retained Earnings [Member] Share service agreement, annual service consideration increasing rate ( as a percent) Share Service Agreement, Annual Service Consideration Increasing Rate Share Service Agreement, Annual Service Consideration Increasing Rate Prepaid expenses and other current assets Other current assets Prepaid Expense and Other Assets, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, beginning of period CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Guarantee Obligations Guarantee Obligations [Member] INCOME TAX BENEFIT INCOME TAX BENEFIT Income Tax Expense (Benefit) Debt instrument, basis spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Class B Common Stock Common Class B [Member] Income taxes payable Taxes Payable, Current Money market funds Investments, Fair Value Disclosure Repayments of notes payable, commercial bank financing, and finance leases Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] STG Second Lien Secured Notes 9.750 Percent Due 2033 STG Second Lien Secured Notes 9.750 Percent Due 2033 [Member] STG Second Lien Secured Notes 9.750 Percent Due 2033 Cunningham Cunningham Broadcasting Corporation [Member] Represents information pertaining to Cunningham Broadcasting Corporation, of which the company is a primary beneficiary. Guarantee, amount sought Guarantor Obligation, Amount Sought Guarantor Obligation, Amount Sought Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customer Concentration Risk Customer Concentration Risk [Member] Transfer to Level 2 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Interest Rate Collar Interest Rate Collar [Member] Interest Rate Collar Unrealized loss on interest rate swap, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax NET INCOME (LOSS) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Customer Two Customer Two [Member] Customer Two [Member] Voluntary contribution Loss Contingency, Voluntary Contribution Loss Contingency, Voluntary Contribution Notional amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Acquisition of businesses, net of cash acquired Acquisition of businesses, net of cash acquired Acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Debt of variable interest entities Debt Of Variable Interest Entities [Member] Represents information pertaining to debt of variable interest entities. Non-media expenses Other Non Media Expenses This element represents other operating costs and expense items that are associated with other operating division activities. Renewal Term Local Marketing Agreements, Renewal Term [Member] Local Marketing Agreements, Renewal Term CASH FLOWS USED IN INVESTING ACTIVITIES: CASH FLOWS USED IN INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Corporate general and administrative expenses Corporate general and administrative expenses General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Charter Aircraft Charter Aircraft [Member] Represents information pertaining to chartered aircraft facility services received from the related party. Term Debt Instrument, Term Related Party Transactions [Abstract] Related Party Transactions [Abstract] Subsequent Event Subsequent Event [Member] Investments in equity securities measured at fair value Equity Securities, FV-NI Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Unconditional and irrevocably guaranteed debt Loss Contingency, Estimate of Possible Loss PEO Total Compensation Amount PEO Total Compensation Amount Loss from investments Gain (Loss) on Investments Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation of property and equipment Depreciation of property and equipment Depreciation Money market funds Money Market Funds [Member] Multi-Cast Agreements Multi-Cast Agreements [Member] Multi-Cast Agreements Equity Components [Axis] Equity Components [Axis] Working capital Disposal Group, Including Discontinued Operation, Working Capital Disposal Group, Including Discontinued Operation, Working Capital Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Annual increase in aggregate purchase price Business Acquisition, Annual Increase in Aggregate Purchase Price Represents the annual percentage increase in aggregate purchase price of the television stations. Number of reportable segments Number of Reportable Segments VARIABLE INTEREST ENTITIES Variable Interest Entity Disclosure [Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Debt issuance costs Payments of Debt Issuance Costs Current portion of notes payable, finance leases, and commercial bank financing Debt, Current Entity Address, State or Province Entity Address, State or Province Lease payments Finance Lease, Principal Payments Dividends declared and paid on Class A and Class B Common Stock Dividends, Common Stock Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Long-term liabilities: Liabilities, Long Term [Abstract] Liabilities, Long Term Related Party [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Loss from investments (Income) Loss From Other Investments (Income) Loss From Other Investments Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Change in Accounting Estimate [Line Items] Change in Accounting Estimate [Line Items] Dividends paid on Class A and Class B Common Stock Payments of Ordinary Dividends, Common Stock Additional paid-in capital Additional Paid in Capital, Common Stock Entities [Table] Entities [Table] Effect of Change in Accounting Estimate, Type [Axis] Effect of Change in Accounting Estimate, Type [Axis] Entity [Domain] Entity [Domain] Net cash flows used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation 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] Document Fiscal Year Focus Document Fiscal Year Focus Nonrecourse Nonrecourse [Member] Operating lease assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Sinclair Broadcast Group, LLC Sinclair Broadcast Group, LLC [Member] Sinclair Broadcast Group, LLC Entity Interactive Data Current Entity Interactive Data Current Other Other Operating Segment [Member] Face Value Carrying Value Reported Value Measurement [Member] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Outstanding promissory notes Disposal Group, Including Discontinued Operation, Non-License Assets Disposal Group, Including Discontinued Operation, Non-License Assets Variable interest entities outsourcing agreement initial term (in years) Variable Interest Entities Outsourcing Agreement Initial Term Represents the initial term of certain outsourcing agreements entered into with license station owners. SEGMENT DATA Segment Reporting Disclosure [Text Block] 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] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Post-retirement plan assets Postretirement Plan Assets Postretirement Plan Assets Consolidated total debt Debt and Lease Obligation Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Station Disposals Station Disposals [Member] Station Disposals Annual Master Control And Maintenance Fee Local Marketing Agreements, Annual Master Control And Maintenance Fee [Member] Local Marketing Agreements, Annual Master Control And Maintenance Fee Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of definite-lived intangible assets Amortization of definite-lived intangible and other assets Amortization of Intangible Assets Media selling, general and administrative expenses Selling, General and Administrative Expense Obligation paid Payment Of Guarantee Liability Payment Of Guarantee Liability Depreciation of property and equipment and amortization of definite-lived intangibles and other assets Depreciation, Depletion and Amortization Other assets Total other assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total revenue Total revenue Revenue Revenues 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] FAIR VALUE MEASUREMENTS: Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount A/R Facility Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Increase in prepaid expenses and other current assets Increase in prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other, net Payment for (Proceeds from) Other Investing Activity Subsequent Event Type [Axis] Subsequent Event Type [Axis] Options and Warrants Options and Warrants [Member] Options and Warrants Initial Fee Local Marketing Agreements, Initial Fee [Member] Local Marketing Agreements, Initial Fee ASSETS ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Gain on extinguishment of debt Gain on extinguishment of debt Gain (loss) on extinguishment of debt Gain on extinguishment of debt Gain (Loss) on Extinguishment of Debt Credit Facility [Domain] Credit Facility [Domain] 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] Entity Address, Address Line One Entity Address, Address Line One Term Loan B-7, due December 31, 2030 Term Loan B-7 [Member] Term Loan B-7 Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Accounts receivable, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Operating lease liabilities, less current portion Operating Lease, Liability, Noncurrent Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Held-for-sale Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Goodwill and indefinite-lived intangible assets Indefinite-lived Intangible Assets (Including Goodwill) Indefinite-lived Intangible Assets (Including Goodwill) Total compensation (less than) Employee Benefits and Share-Based Compensation Dilutive effect of stock-settled appreciation rights and outstanding stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchases of investments Payments to Acquire Investments Expenses Costs and Expenses Title of Individual [Domain] Title and Position [Domain] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Other media, non-media, and intercompany revenue Other Media, Non-Media Revenues, and Intercompany Revenues [Member] Other Media, Non-Media Revenues, and Intercompany Revenues [Member] Deferred tax benefit Deferred tax benefit Deferred Income Taxes and Tax Credits Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Equity investments, net of cumulative impairment Equity Securities without Readily Determinable Fair Value, Amount Deferred compensation liabilities Deferred Compensation Liabilities, Fair Value Disclosure Deferred Compensation Liabilities, Fair Value Disclosure Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] STG Senior Unsecured Notes 8.125 Percent Due 2027 STG First-Out First Lien Secured Notes 8.125 Percent Due 2033 [Member] STG First-Out First Lien Secured Notes 8.125 Percent Due 2033 Related Party [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Restatement Determination Date: Restatement Determination Date [Axis] Cash payments Payments to Acquire Businesses, Gross Remaining purchase price Business Acquisition, Cost of Acquired Entity, Remaining Purchase Price Represents the amount of remaining purchase price, difference of aggregate purchase price and total payments made in pursuant to the business acquisition. Class A Common Stock issued pursuant to employee benefit plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Accounts Receivable Accounts Receivable [Member] Loss contingency, number of other broadcasters Loss Contingency, Number of Other Broadcasters Loss Contingency, Number of Other Broadcasters Estimated obligation Guaranty Liabilities Other & Corporate Corporate And Reconciling Items [Member] Corporate And Reconciling Items Other, net Proceeds from (Payment for) Other Financing Activity Interest expense Interest Expense, Debt Proposed fine per station Loss Contingency, Damages Sought, Value Per Station Loss Contingency, Damages Sought, Value Per Station Intangible Assets, Amortization Period Intangible Assets, Amortization Period [Member] Loss on fair value adjustment Unrealized Gain (Loss) On FV-NI and NAV Investments Unrealized Gain (Loss) On FV-NI and NAV Investments Other definite-lived intangible assets, net Other Intangible Assets [Member] Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Percentage of net broadcast revenue used to determine annual LMA fees required to be paid Related Party Transaction Percentage of Annual Net Broadcast Revenue Used to Determine Annual LMA Fees Required to be Paid Represents the percentage of each station's net broadcast revenue due to the related party used to determine amount of annual LMA fees required to be paid. Other, net Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Disposed of by sale Discontinued Operations, Disposed of by Sale [Member] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Deferred revenue, revenue recognized Contract with Customer, Liability, Revenue Recognized Deferred compensation assets Deferred Compensation Assets, Fair Value Disclosure Deferred Compensation Assets, Fair Value Disclosure Broadcast Television Programming Programming Agreement, Policy [Policy Text Block] Programming Agreement, Policy [Policy Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name OTHER ASSETS Other Assets Disclosure [Text Block] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Liabilities associated with the certain outsourcing agreements and purchase options Outsourcing Agreements And Purchase Option Liabilities Outsourcing Agreements And Purchase Option Liabilities Distribution Type [Axis] Distribution Type [Axis] REVENUE: Revenues [Abstract] Investments measured at NAV Alternative Investment Issuance of subsidiary stock awards APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Impairment recorded Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount Notes payable, finance leases, and commercial bank financing, less current portion Estimated obligation Long-Term Debt and Lease Obligation Liability Class [Axis] Liability Class [Axis] Litigation Case [Axis] Litigation Case [Axis] Amount used to determine annual LMA fees required to be paid Related Party Transaction Amount Used to Determine Annual LMA Fees Required to be Paid Represents the amount used to determine annual LMA fees required to be paid to related party. Segments [Domain] Segments [Domain] Proposed fine Loss Contingency, Damages Sought, Value Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Amberly Thompson Amberly Thompson [Member] Amberly Thompson Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Interest Rate Collar, Agreement One Interest Rate Collar, Agreement One [Member] Interest Rate Collar, Agreement One Minimum Minimum [Member] Company Selected Measure Name Company Selected Measure Name Number of television stations owned Number of Television Stations Owned Represents the number of television stations owned by the entity. Fair Value Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Senior Notes Senior Notes [Member] NOTES PAYABLE, FINANCE LEASES, AND COMMERCIAL BANK FINANCING Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Numerator for basic and diluted earnings per common share available to common shareholders diluted Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Income tax receivable Income Taxes Receivable, Noncurrent Common Stock Common Stock, Value, Issued COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Title of Individual [Axis] Title and Position [Axis] Diluted weighted average common and common equivalent shares outstanding (in shares) Diluted weighted-average common and common equivalent shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (See Note 4) Commitments and Contingencies Number of markets Number of Markets Represent the number of markets in which broadcasting and media stations are operated. Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Cash acquired Cash Acquired from Acquisition Term Loan B-2 Term Loan B-2 [Member] Term Loan B-2 [Member] Fair Value Measured at Net Asset Value Per Share Fair Value Measured at Net Asset Value Per Share [Member] Business Combination [Axis] Business Combination [Axis] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Noncontrolling Interests Noncontrolling Interest [Member] Core advertising revenue Core Advertising Revenue [Member] Core Advertising Revenue Document Transition Report Document Transition Report Other assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Underlying Securities Award Underlying Securities Amount Distribution revenue Distribution Revenue [Member] Distribution Revenue [Member] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] 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] Loss on asset dispositions and other, net (Gain) loss on asset dispositions and other, net Gain (Loss) on Sale of Assets and Asset Impairment Charges Debt fair value disclosure Debt Instrument, Fair Value Disclosure Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] EARNINGS PER SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Interest collar agreements Derivative, Number of Instruments Held Derivative Contract [Domain] Derivative Contract [Domain] Current portion of program contracts payable Program Rights Obligations, Current All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Effect of Change in Accounting Estimate, Type [Domain] Effect of Change in Accounting Estimate, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Acquisition of property and equipment Payments to Acquire Property, Plant, and Equipment Loss on asset dispositions and other, net (Gain) loss on asset dispositions and other, net Gain (Loss) On Sale Of Assets And Other Gain (Loss) On Sale Of Assets And Other Various Cases Alleging Violation of Sherman Antitrust Act Various Cases Alleging Violation Of Sherman Antitrust Act [Member] Various Cases Alleging Violation Of Sherman Antitrust Act [Member] Name Forgone Recovery, Individual Name Total current assets Assets, Current Definite-lived intangible assets Finite-Lived Intangible Assets Acquired Statistical Measurement [Axis] Statistical Measurement [Axis] 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] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Loss contingency, new claims filed, number (lawsuit) Loss Contingency, New Claims Filed, Number Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of Other Assets Schedule of Other Assets [Table Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Employee Employee [Member] Employee Numerator for basic and diluted earnings per common share available to common shareholders basic Net Income (Loss) Available to Common Stockholders, Basic Entity Information [Line Items] Entity Information [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Customer Three Customer Three [Member] Customer Three [Member] Current liabilities: Current liabilities: Liabilities, Current [Abstract] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Fair value at beginning of period Fair value at end of period Other Liabilities, Fair Value Disclosure Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Borrowings outstanding Long-Term Line of Credit Amount paid Related Party Transaction Payments to Related Party Represents the amount paid for transactions to related party during the financial reporting period. Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net of allowance for doubtful accounts of $5 as of both periods Accounts receivable, net of allowance for doubtful accounts of $4 as of both periods Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Measurement adjustments Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Measurement Adjustments Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Measurement Adjustments Breach of Merger Agreement Breach Of Merger Agreement [Member] Breach Of Merger Agreement Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Term Loan B-3, due April 1, 2028 STG Term Loan B-3 [Member] STG Term Loan B-3 EARNINGS PER COMMON SHARE ATTRIBUTABLE TO SINCLAIR: Earnings Per Share [Abstract] Derivative, cap interest ceiling (as a percent) Derivative, Cap Interest Rate Consolidation Items [Domain] Consolidation Items [Domain] Total other expense, net Nonoperating Income (Expense) Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Guarantee obligations, maximum amount Guarantor Obligations, Maximum Amount Guarantor Obligations, Maximum Amount Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Media programming and production expenses Media Programming And Production Expenses Media Programming And Production Expenses Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Award Timing Disclosures [Line Items] CPX Interactive LLC CPX Interactive LLC [Member] CPX Interactive LLC Unfunded commitments related to investments valued using NAV practical expedient Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments Property and equipment, net Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Cash payments for legal settlements Payments for Legal Settlements Dividends To Shareholders And Parent Company Expenses Dividends To Shareholders And Parent Company Expenses [Member] Dividends To Shareholders And Parent Company Expenses Distributions to noncontrolling interests Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions to member, net Distributions To Member, Net Distributions To Member, Net NET INCOME (LOSS) ATTRIBUTABLE TO SINCLAIR Net Income (Loss) Attributable to Parent Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Long-term liabilities: Liabilities, Noncurrent [Abstract] Recourse Status [Axis] Recourse Status [Axis] Amounts of transaction Related Party Transaction, Amounts of Transaction Shareholders’ equity: SBG member's deficit: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Segment data Segment Reporting Information [Line Items] Income (Numerator) Net Income (Loss) Attributable to Parent [Abstract] Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Other media Other Media [Member] Other Media Number of additional renewal terms Related Party Transaction Number of Agreement Renewal Terms Represents the number of renewal periods of agreements by related parties. Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Decrease (increase) in accounts receivable Decrease (increase) in accounts receivable Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Loss contingency, damages sought, total Loss Contingency, Damages Sought, Total Loss Contingency, Damages Sought, Total Consolidation, Eliminations Consolidation, Eliminations [Member] Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Program contracts payable, less current portion Program Rights Obligations, Noncurrent Operating income Operating Income (Loss) Customer relationships, net Customer Relationships [Member] Line of Credit Line of Credit [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Adjustments to reconcile net income (loss) to net cash flows from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 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] Executive Category: Executive Category [Axis] Agreement renewal period Related Party Transaction Agreement Renewal Period Represents the renewal period of agreements by related parties. Finance lease liabilities, current Finance Lease, Liability, Current Proceeds from notes payable and commercial bank financing Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] (Gain) loss on disposal Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax 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] First-Out Revolving Credit Facility First-Out Revolving Credit Facility [Member] First-Out Revolving Credit Facility Other expense, net Other income, net Other income (expense), net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Customer One Customer One [Member] Customer One [Member] CASH FLOWS USED IN FINANCING ACTIVITIES: CASH FLOWS USED IN FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Revenue Benchmark Revenue Benchmark [Member] Deferred revenue Contract with Customer, Liability Distributions from investments Proceeds from Equity Method Investment, Distribution Finance lease liabilities, non-current Finance Lease, Liability, Noncurrent Media revenue Media Revenue This element represents advertising time sales, retransmission revenues, network compensation revenues and other revenues derived from our media business Weighted-average stock-settled appreciation rights and outstanding stock options excluded (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Shares (Denominator) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Notes receivable Long-Term Investments and Receivables, Net Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Asset purchase agreement consideration Disposal Group, Including Discontinued Operation, Consideration To Be Received Disposal Group, Including Discontinued Operation, Consideration To Be Received Termination Date Trading Arrangement Termination Date Net cash flows used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Basic weighted average common shares outstanding (in shares) Basic weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Ryan McCoy Ryan McCoy [Member] Ryan McCoy Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Reconciliation of Income (Numerator) and Shares (Denominator) Used in Computation of Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Director Director [Member] Related Party Transaction [Domain] Related Party Transaction [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount 5.500% Senior Notes due 2030 STG Senior Unsecured Notes 5.500 Percent Due 2030 [Member] STG Senior Unsecured Notes 5.500 Percent Due 2030 [Member] Debt issuance costs Amortization of Debt Issuance Costs Entity Tax Identification Number Entity Tax Identification Number Schedule of Variable Interest Entities Assets and Liabilities Schedule of Variable Interest Entities [Table Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount WG Communications Group WG Communications Group [Member] WG Communications Group Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, shares issued (in shares) Common Stock, Shares, Issued Income taxes receivable Income Taxes Receivable, Current Use of Estimates Use of Estimates, Policy [Policy Text Block] Amount awarded to other party Litigation Settlement, Amount Awarded to Other Party Interest expense including amortization of debt discount and deferred financing costs Interest expense including amortization of debt discount and deferred financing costs Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Net change in net income taxes payable/receivable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Insider Trading Arrangements [Line Items] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Amount paid Related Party Transaction, Purchases from Related Party Total liabilities Liabilities Liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Property and equipment purchases Capital Expenditures Incurred but Not yet Paid Ethan White Ethan White [Member] Ethan White Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Debt instrument, repurchased aggregate principal amount Debt Instrument, Repurchased Face Amount Indefinite-Lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] OPERATING EXPENSES: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Unfavorable Regulatory Action Unfavorable Regulatory Action [Member] Vice President Vice President [Member] Statement Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Contributions from member, net Contributions From Member, Net Contributions From Member, Net Distribution Type [Domain] Distribution Type [Domain] Common Stock Common Stock [Member] Number of channels Number of Channels Represents the number of channels broadcasted under the agreement. Net (loss) income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] STG 5.125% Senior Notes STG 5.125% Unsecured Notes [Member] STG 5.125% Unsecured Notes [Member] Remaining percentage of business acquired (in percentage) Business Acquisition, Interests Acquired, Percentage Business Acquisition, Interests Acquired, Percentage NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation