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Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company ICFR Auditor Attestation Flag Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Documents Incorporated by Reference [Text Block] Documents Incorporated by Reference Auditor Firm ID Auditor Name Auditor Location Consolidated Statements of Operations [Abstract] Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] Advertising And Marketing Services [Member] Advertising And Marketing Services [Member] Advertising And Marketing Services [Member] Circulation [Member] Circulation [Member] Circulation [Member] Printing, Distribution And Other [Member] Printing Distribution And Other [Member] Printing, Distribution And Other [Member] Revenue, Net 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Items] Contractual Obligation Due In Next Five Years Contractual Obligation Due In Next Five Years Contractual obligations due in next five years Contractual Obligation, Due after Fifth Year Operating leases, contractual obligations due after fifth year Payments for Rent Lease expense for property and equipment Capital Expenditures Incurred but Not yet Paid Investments in property, plant and equipment payable Dividends payable Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Groups Including Discontinued Operations Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Inactive IP addresses Inactive Ip Addresses [Member] Inactive IP addresses [Member] Receivable Type [Axis] Receivable Type [Domain] Receivable [Domain] Third Modification Agreement Third Modification Agreement [Member] Third Modification Agreement [Member] Legal Entity [Axis] Entity [Domain] Entity [Domain] Charter Dmn Holdings Lp [Member] Charter Dmn Holdings Lp [Member] Charter DMN Holdings, LP [Member] Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] Dallas, Texas [Member] Dallas Texas [Member] Dallas, Texas [Member] 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] Sale Of Real Estate Assets, Amount Sale Of Real Estate Assets, Amount Sale of real estate assets, amount Amount of cash inflow from the sale of tangible or intangible assets no longer used in operations. Proceeds From Sale Of Other Inactive Assets Proceeds from sale of other inactive assets Real Estate Assets Selling Costs Real Estate Assets Selling Costs Real estate assets selling costs Interest Rate On Unpaid Original Principal Balance Of Promissory Note Interest Rate On Unpaid Original Principal Balance Of Promissory Note Interest rate on unpaid original principal balance of Promissory Note Receivable with Imputed Interest, Due Date Note receivable, due date Proceeds from Interest Received Interest income Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Defined Benefit Plan Equity Securities [Member] Pension Pan, Equity Securities [Member] Fixed Income Securities [Member] Fixed Income Securities [Member] Liability hedging assets Liability Hedging Assets [Member] Liability hedging assets [Member]