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Accumulated amortization and other Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement [Domain] Statistical Measurement [Domain] Other intangibles Other Intangible Assets [Member] Dividends declared Dividends, Common Stock, Cash Security Exchange Name Security Exchange Name SERP Investments at fair value Equity Securities, FV-NI, Current Sale proceeds Disposal Group, Including Discontinued Operation, Consideration Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Information Disclosure [Abstract] RSUs and RTSRs RSUs and RTSRs [Member] RSUs and RTSRs Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Operating lease, weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Prepaid expenses and other Other Assets, Noncurrent Net current period other comprehensive (loss) income Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Investment, Name [Axis] Investment, Name [Axis] Segments [Axis] Segments [Axis] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Deferred charges and other assets Deferred charges and other assets Deferred Costs, Noncurrent Entity File Number Entity File Number Total lease payments Lessee, Lease Liability, Payments, Due Lessee, Lease Liability, Payments, Due Commission payments Capitalized Contract Cost Payments Capitalized Contract Cost Payments Intangible assets Deferred Tax Liabilities, Intangible Assets Variable Rate Component Two Variable Rate Component Two [Member] Variable Rate Component Two FCC spectrum license obligations FCC Spectrum Licenses Leases, Current FCC Spectrum Licenses Leases, Current Pension benefits, vesting period Defined Benefit Plan, Vesting Period Defined Benefit Plan, Vesting Period Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Bad debt expense SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Amortization expense Amortization of Intangible Assets Anti-dilutive awards outstanding (fewer than) (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Operating lease, weighted average discount rate, percent Operating Lease, Weighted Average Discount Rate, Percent Cost of services and cost of goods sold Disposal Group, Including Discontinued Operation, Costs of Goods Sold Employees And Directors Employees And Directors [Member] Employees And Directors 2027 and thereafter Lessee, Lease Liability, Payments, Due After Year Five Lessee, Lease Liability, Payments, Due After Year Five Present value of lease liabilities Lease, Liability Lease, Liability Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Granted (in dollars 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 Business Acquisition [Axis] Business Acquisition [Axis] Goodwill Disposal Group, Including Discontinued Operation, Goodwill, Current Title of Individual [Domain] Title of Individual [Domain] Amortization Amortization Reflected as Operating Expense The aggregate amount of recurring noncash operating expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. Operating lease right-of-use assets Increase Decrease In Operating Lease Right Of Use Asset Increase Decrease In Operating Lease Right Of Use Asset Benefit plan obligations Liability, Defined Benefit Plan, Noncurrent Intangible Assets Resulting from Acquisition Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Award Type [Domain] Award Type [Domain] Local Phone Number Local Phone Number Credit Facility [Domain] Credit Facility [Domain] ASSETS ASSETS Assets [Abstract] Total Finite-Lived Intangible Assets, Amortization Expense Finite-Lived Intangible Assets, Amortization Expense Indefinite-lived intangible assets, cost basis of assets included in transaction Indefinite-lived Intangible Assets, Cost Basis Of Assets Included In Transaction Indefinite-lived Intangible Assets, Cost Basis Of Assets Included In Transaction Postretirement Medical Benefits Plan OPEB Plan [Member] OPEB Plan [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Land Land [Member] Equipment revenue Equipment Product And Service [Member] Equipment Product And Service [Member] Ntelos Holding, Corp Ntelos Holding, Corp [Member] Represents the aggregation and reporting of combined amounts of individually immaterial business combinations that were completed during the period. Indefinite-lived Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Discontinued operations: Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax [Abstract] Derivatives and Hedging Derivative Instruments and Hedging Activities Disclosure [Text Block] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Number of cell towers built Number Of Cell Towers Built Number Of Cell Towers Built Accrued programming costs Accrued Programming Costs, Current Accrued Programming Costs, Current Property, plant and equipment Property, Plant and Equipment, Policy [Policy Text Block] Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Finance lease, liability, noncurrent, statement of financial position [extensible enumeration] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Discount rate (as a percent) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Retained Earnings Retained Earnings [Member] Debt Instrument [Axis] Debt Instrument [Axis] Accretion expense Asset Retirement Obligation, Accretion Expense Advertising Costs Advertising Cost [Policy Text Block] Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Finance lease, cost Finance Lease, Cost Finance Lease, Cost Balance as of December 31, 2020 Balance as of December 31, 2021 AOCI Tax, Attributable to Parent Related Party [Axis] Related Party [Axis] Variable Rate Component Three Variable Rate Component Three [Member] Variable Rate Component Three Accounts receivable Increase (Decrease) in Accounts Receivable Right-of-use asset obtained in exchange for operating lease liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Capitalized stock compensation Share-based Payment Arrangement, Amount Capitalized Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Other Noncurrent Liabilities Other Noncurrent Liabilities [Table Text Block] Error Correction Revision of Prior Period, Error Correction, Adjustment [Member] Basic net income per share (in dollars per share) Basic - Net income from continuing operations (in dollars per share) Basic net income per share (in dollars per share) Earnings Per Share, Basic Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Other nonoperating income (expense) Equity Securities, FV-NI, Realized Gain (Loss) Net cash used in investing activities - continuing operations Net Cash Provided by (Used in) Investing Activities, Continuing Operations Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment, Category of Item Purchased [Domain] 2024 Lessee, Operating Lease, Liability, to be Paid, Year Three Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Sublease income Sublease Income Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Income Tax (Expense) Benefit AOCI Attributable to Parent, Tax [Roll Forward] AOCI Attributable to Parent, Tax [Roll Forward] SEC Schedule, 12-09, Allowance, Credit Loss SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] 2024 Purchase Obligation, to be Paid, Year Three Schedule II Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Net cash provided (used) in investing activities - 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Income from continuing operations (in dollars per share) Diluted net income per share - continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Plan Name [Axis] Plan Name [Axis] Total other long-term liabilities Liabilities, Other than Long-term Debt, Noncurrent Broadband Broadband Segment [Member] Broadband Segment Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] State income taxes, net of federal tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Entity Small Business Entity Small Business Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] Base Rate Base Rate [Member] Income Tax Expense (Benefit), Continuing Operations [Abstract] Income Tax Expense (Benefit), Continuing Operations [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Total liabilities and shareholders’ equity Liabilities and Equity Other current liabilities Other Accrued Liabilities, Current Total net leverage ratio Debt Instrument, Covenant, Total Net Leverage Ratio, Maximum Debt Instrument, Covenant, Total Net Leverage Ratio, Maximum Net gains (losses) on interest rate swaps, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Diluted - Income from discontinued operations, net of tax (in dollars per share) Diluted net income per share - discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Total Lessor, Operating Lease, Payments to be Received Other (expense) income: Other Income and Expenses [Abstract] Advanced billings and customer deposits Contract with Customer, Liability, Current Excess tax benefit from share based compensation and other expense, net Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount 2026 Lessee, Operating Lease, Liability, to be Paid, Year Five Cost of services Service [Member] Additional paid in capital Additional Paid in Capital Schedule of Defined Benefit Plans Disclosures Schedule of Defined Benefit Plans Disclosures [Table Text Block] LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Accounts payable Increase (Decrease) in Accounts Payable Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Amounts reclassified from accumulated other comprehensive income (loss) to interest expense Reclassification from AOCI, Current Period, Tax Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Current assets held for sale Disposal Group, Including Discontinued Operation, Assets Operating expenses Operating Expenses [Abstract] Ownership interest, percentage Equity Method Investment, Ownership Percentage Entity Interactive Data Current Entity Interactive Data Current 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Four Stock options exercised Stock Issued During Period, Value, Stock Options Exercised Minimum Minimum [Member] Income taxes receivable Income Taxes Receivable, Current New Credit Agreement New Credit Agreement [Member] New Credit Agreement Retirement Plan Name [Axis] Retirement Plan Name [Axis] Shares retired for settlement of employee taxes upon issuance of vested equity awards Business Acquisition Equity Interest Issued or Issuable to Noncontrolling, Value Assigned Value of noncontrolling interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity. Affiliated Entity Affiliated Entity [Member] 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two 2026 Purchase Obligation, to be Paid, Year Five Other Deferred Tax Assets, Tax Deferred Expense, Other Minimum Rental Receipts Under Lease Agreement Lessor, Operating Leases Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block] Selling, general and administrative Selling, General and Administrative Expense Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Unrecognized tax benefits Unrecognized Tax Benefits Capitalized Contract Cost [Roll Forward] Capitalized Contract Cost [Roll Forward] Capitalized Contract Cost [Roll Forward] Total gross deferred tax assets Deferred Tax Assets, Gross Income Tax Authority [Domain] Income Tax Authority [Domain] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding The 2014 Plan The Plan 2014 [Member] A stock incentive plan approved by the Board of Directors. Entity Address, State or Province Entity Address, State or Province Leases Lessee, Finance Leases [Text Block] Additional liabilities accrued Asset Retirement Obligation, Liabilities Incurred Beginning balance Ending balance Restructuring Reserve Operating income Disposal Group, Including Discontinued Operation, Operating Income (Loss) 2022 Lessor, Operating Lease, Payment to be Received, Year One Amounts reclassified from accumulated other comprehensive income (loss) to interest expense Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Common stock issued Stock Issued During Period, Value, New Issues Net cash used in financing activities - discontinued operations Cash Provided by (Used in) Financing Activities, Discontinued Operations Cash disbursed for acquisitions Payments to Acquire Businesses, Net of Cash Acquired Restatement [Axis] Revision of Prior Period [Axis] Debt Debt Disclosure [Text Block] Restructuring Plan [Domain] Restructuring Plan [Domain] Proceeds from income tax refunds Proceeds from Income Tax Refunds Components of Federal and State Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Line of Credit Line of Credit [Member] Stock Compensation, Earnings per Share, and Dividends Share-based Payment Arrangement [Text Block] Property, plant and equipment [Abstract] Property, Plant and Equipment, Net, by Type [Abstract] Dividends paid, net of dividends reinvested Payments of Ordinary Dividends, Common Stock Other Investments Schedule Of Other Investments Which Do Not Have Readily Determinable Fair Values [Table Text Block] Tabular disclosure of other investments which do not have readily determinable fair values. Accounting Policies [Abstract] Accounting Policies [Abstract] Common stock issued (in shares) Stock Issued During Period, Shares, New Issues 2025 Lessor, Operating Lease, Payment to be Received, Year Four Federal taxes Current Federal Tax Expense (Benefit) Present value of lease liabilities Operating Lease, Liability Document Transition Report Document Transition Report Income from continuing operations Income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Common stock, no par value, authorized 96,000; 49,965 and 49,868 issued and outstanding at December 31, 2021 and 2020, respectively Common Stock, Value, Issued Finance lease, weighted average discount rate, percent Finance Lease, Weighted Average Discount Rate, Percent Other income, net Other income, net Nonoperating Income (Expense) Disposal Group, Including Discontinued Operation, Liabilities Disposal Group, Including Discontinued Operation, Liabilities Compensation, nonvested awards, cost not yet recognized, period for recognition Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Commitments and contingencies Commitments and Contingencies Common stock issued to acquire a non-controlling interests of nTelos (in shares) Business Acquisition Noncontrolling Interest Issued Or Issuable Shares Assigned Number of shares (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity attributable to noncontrolling interests. Leases Lessee, Operating Leases [Text Block] 2022 Lessee, Lease Liability, Payments Next Twelve Months Lessee, Lease Liability, Payments Due Next Twelve Months Accumulated other comprehensive loss, net of taxes Balance as of December 31, 2020 Balance as of December 31, 2021 Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Emerging Growth Company Entity Emerging Growth Company Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Value of business percentage Related Party, Purchase Option, Value Of Business Percentage Related Party, Purchase Option, Value Of Business Percentage Changes to prior estimates Asset Retirement Obligation, Revision of Estimate Payments for debt issuance costs Payments of Debt Issuance Costs ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Other Commitments [Table] Other Commitments [Table] FCC spectrum licenses FCC spectrum licenses FCC Spectrum Licenses [Member] FCC Spectrum Licenses [Member] Schedule of Other Assets, Noncurrent Schedule of Other Assets, Noncurrent [Table Text Block] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Auditor Name Auditor Name Cover [Abstract] Cover [Abstract] Revenue remaining performance obligation, per year Revenue Remaining Performance Obligation, Amount Per Year Revenue Remaining Performance Obligation, Amount Per Year Total operating expenses Costs and Expenses Deferred charges and other assets Disposal Group, Including Discontinued Operation, Deferred Charges And Other Assets, Current Disposal Group, Including Discontinued Operation, Deferred Charges And Other Assets, Current Cash and cash equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Summary of Accrued Liabilities and Other Other Current Liabilities [Table Text Block] Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Net cash (used) provided by operating activities - discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Sales and property taxes payable Sales And Property Taxes Payable Current Sales And Property Taxes Payable Current Income Tax Authority [Axis] Income Tax Authority [Axis] Operating Activities [Domain] Operating Activities [Domain] CoBank CoBank [Member] Equity securities investments. Railroad crossing rights Railroad Crossing Rights [Member] Railroad Crossing Rights [Member] Balance as of December 31, 2020 Balance as of December 31, 2021 AOCI before Tax, Attributable to Parent Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss) before Reclassifications, Tax 2027 and thereafter Finance Lease, Liability, to be Paid, after Year Five Prepaid expenses and other Prepaid expenses and other Prepaid Expense and Other Assets, Current Gain from patronage and investments and other Gain (Loss) From Patronage, Investments And Other Gain (Loss) From Patronage, Investments And Other Revenue from related parties Revenue from Related Parties Cash dividend declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Accrued liabilities and other Accrued liabilities and other Accrued Liabilities, Current Service revenue and other Revenue Revenue from Contract with Customer, Excluding Assessed Tax Lease liabilities Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Total operating expenses Disposal Group, Including Discontinued Operation, Operating Expense Less: Interest Finance Lease, Liability, Undiscounted Excess Amount 2023 Purchase Obligation, to be Paid, Year Two Changes in assets and liabilities: Increase (Decrease) in Operating Assets [Abstract] Current (benefit) expense Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Payments Payments for Restructuring Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] 2026 Finance Lease, Liability, to be Paid, Year Five Shares of Common Stock (no par value) Common Stock [Member] Variable Rate [Axis] Variable Rate [Axis] Segment Reporting Segment Reporting Disclosure [Text Block] Other comprehensive income (loss) before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Finance lease, weighted average remaining lease term Finance Lease, Weighted Average Remaining Lease Term Operating loss Total consolidated operating loss Operating income (loss) Operating Income (Loss) Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Prepaid maintenance expenses Prepaid Maintenance Expense, Current Prepaid Maintenance Expense, Current SERP Investments, Current SERP Investments, Current SERP Investments, Current Current operating lease liabilities Operating Lease, Liability, Current Schedule of Change in Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Two Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Year Focus Document Fiscal Year Focus Income before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Stock based compensation expense, net of amount capitalized Share-based Payment Arrangement, Noncash Expense Variable Rate [Domain] Variable Rate [Domain] Accumulated Other Comprehensive (Loss) Income, net of taxes AOCI Attributable to Parent, Net of Tax [Roll Forward] Inventory Disposal Group, Including Discontinued Operation, Inventory, Current Additional Paid in Capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation Depreciation Waived management fees Disposal Group, Discontinued Operation, Consideration, Waived Management Fees Disposal Group, Discontinued Operation, Consideration, Waived Management Fees Repayments of debt Repayments of Debt FCC spectrum license obligations FCC Spectrum Licenses Leases Non current FCC Spectrum Licenses Leases Non current Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Pre-Adjustment Previously Reported [Member] Term loan A-1 Term loan A-1 [Member] Loan from a bank/financial institution for a specific amount that has a specified repayment schedule and a fixed/floating interest rate. 2027 and thereafter Purchase Obligation, to be Paid, after Year Five Cash paid for income taxes Income Taxes Paid Impairment expense Asset Impairment Charges Tower lease Tower Lease [Member] Tower Lease [Member] Revaluation of deferred tax liabilities Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Accretion of asset retirement obligations Amortization Reflected as Rent Expense Amortization Reflected as Rent Expense Depreciation and amortization Disposal Group, Including Discontinued Operation, Depreciation and Amortization Capital expenditures Capital expenditures Payments to Acquire Property, Plant, and Equipment Shares retired for settlement of employee taxes upon issuance of vested equity awards (in shares) Adjustments Related to Tax Withholding for Share-based Compensation, Shares Adjustments Related to Tax Withholding for Share-based Compensation, Shares Pension liabilities Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Leases Deferred Tax Assets, Deferred Income Other Assets and Accrued Liabilities Other Liabilities Disclosure [Text Block] Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Deferred tax assets: Deferred Tax Assets, Net [Abstract] Award Type [Axis] Award Type [Axis] 2022 Finite-Lived Intangible Asset, Expected Amortization, Year One Expected Maturity of Lease Liabilities, Operating Lessee, Operating Lease, Liability, Maturity [Table Text Block] Consolidation Items [Axis] Consolidation Items [Axis] Total shareholders’ equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent (Losses) Gains on Cash Flow Hedges AOCI Attributable to Parent, Before Tax [Roll Forward] AOCI Attributable to Parent, Before Tax [Roll Forward] Leases Lessor, Operating Leases [Text Block] Operating loss carryforwards Operating Loss Carryforwards Common stock, shares issued (in shares) Common Stock, Shares, Issued City Area Code City Area Code Ntelos Pension Plan Ntelos Pension Plan [Member] Ntelos Pension Plan [Member] Purchase Commitments Purchase Obligation, Fiscal Year Maturity [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Entity Address, City or Town Entity Address, City or Town Income tax expense Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period Other deferrals and accruals Increase (Decrease) in Other Accrued Liabilities Share repurchases Payments for Repurchase of Common Stock Estimated useful lives Property, Plant and Equipment, Useful Life Shareholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Annual dividend reinvestment (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Non-current operating lease liabilities Operating Lease, Liability, Noncurrent Total lease payments Finance Lease, Liability, Payment, Due Equipment and software Equipment and Software [Member] Purchased software applications and internally developed software for sale, licensing or long-term internal use and related equipment. Total current provision Current Income Tax Expense (Benefit) Interest expense Interest Expense 2022 Finance Lease, Liability, to be Paid, Year One Deferred expense (benefit) Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Discontinued Operations and Disposal Groups [Abstract] Debt extinguishment Debt extinguishment Disposal Group, Including Discontinued Operation, Extinguishment of Debt Disposal Group, Including Discontinued Operation, Extinguishment of Debt Contract amortization Capitalized Contract Cost, Amortization Retained earnings Retained Earnings (Accumulated Deficit) Operating Segments Operating Segments [Member] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Balance at beginning of year Balance at end of year Asset Retirement Obligation Expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Asset retirement obligations Disposal Group, Including Discontinued Operation, Pension Plan Benefit Obligation, Current Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Restatement [Domain] Revision of Prior Period [Domain] Entity Filer Category Entity Filer Category Present value of lease liabilities Finance Lease, Liability Reconciliation of income from continuing operations from segments to consolidated [Abstract] Reconciliation of income from continuing operations from segments to consolidated [Abstract] Total gross deferred tax liabilities Deferred Tax Liabilities, Gross Business Acquisition [Line Items] Business Acquisition [Line Items] Income Statement [Abstract] Income Statement [Abstract] Entity Registrant Name Entity Registrant Name 2026 Lessee, Lease Liability, Payments, Due Year Five Lessee, Lease Liability, Payments, Due Year Five Leases Deferred Tax Liabilities, Tax Deferred Income Components of Deferred Tax Assets and Liabilities [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] 2024 Finance Lease, Liability, to be Paid, Year Three 2025 Finance Lease, Liability, to be Paid, Year Four Write-offs SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Non-amortizing intangibles Indefinite-lived Intangible Assets (Excluding Goodwill) Discontinued Operations, Held-for-sale Discontinued Operations, Held-for-sale [Member] 2023 Finance Lease, Liability, to be Paid, Year Two Total Lease Liabilities, Payments, Due [Abstract] Lease Liabilities, Payments, Due [Abstract] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Income tax (benefit) expense Income tax (benefit) expense Income Tax Expense (Benefit) Accounts receivable, net of allowance for doubtful accounts of $352 and $614, respectively Accounts Receivable, after Allowance for Credit Loss, Current Amendment Flag Amendment Flag Equity Components [Axis] Equity Components [Axis] Entity Tax Identification Number Entity Tax Identification Number SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus Total current assets Assets, Current Dividends reinvested in common stock Stock Issued During Period, Value, Common Stock, Dividend Reinvestment Plan Stock Issued During Period, Value, Common Stock, Dividend Reinvestment Plan Total lease payments Lessee, Operating Lease, Liability, to be Paid Selected Financial Data for Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Share repurchases Stock Repurchased During Period, Value 2025 Purchase Obligation, to be Paid, Year Four Federal taxes Deferred Federal Income Tax Expense (Benefit) Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 2027 and thereafter Lessee, Operating 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