Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Cable and fiber
Other Machinery and Equipment [Member]
Intangible assets
Deferred Tax Liabilities, Intangible Assets
Restatement [Axis]
Revision of Prior Period [Axis]
Document Type
Document Type
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Minimum liquidity balance, actual
Debt Instrument, Covenant, Liquidity Balance, Actual
Debt Instrument, Covenant, Liquidity Balance, Actual
Percentage of patronage credit paid in cash
Percentage of Patronage Credit Paid in Cash
Represents the percentage of patronage credits paid in cash by the entity.
Related Party [Axis]
Related Party [Axis]
Residential & SMB
Residential And SMB [Member]
Residential And SMB
2023
Lessee, Lease Liability, Payments, Due Year Three
Lessee, Lease Liability, Payments, Due Year Three
Total leverage ratio through December 31, 2019
Leverage Ratio Two
Represents total leverage ratio.
Cost of services
Service [Member]
Annual dividend reinvestment (in shares)
Stock Issued During Period, Shares, Dividend Reinvestment Plan
Segments [Axis]
Segments [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
Term loan A-2
Term loan A-2 [Member]
Loan from a bank/financial institution for a specific amount that has a specified repayment schedule and a fixed/floating interest rate.
Schedule of Accumulated Other Comprehensive Income (Loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Additional number of shares authorized for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized
Share repurchases (in shares)
Share repurchases (in shares)
Stock Repurchased During Period, Shares
Revaluation of U.S. deferred income taxes
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount
Interest rate swaps
Derivative asset
Derivative Asset
Deferred charges and other assets
Disposal Group, Including Discontinued Operation, Deferred Charges And Other Assets, Noncurrent
Disposal Group, Including Discontinued Operation, Deferred Charges And Other Assets, Noncurrent
Statistical Measurement [Domain]
Statistical Measurement [Domain]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
2025
Lessor, Operating Lease, Payment to be Received, Year Five
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2026 and thereafter
Lessor, Operating Lease, Payment to be Received, after Year Five
Deferred income taxes
Deferred Income Tax Liabilities, Net
Derivative and Hedging
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Net cash used in investing activities - continuing operations
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Security Exchange Name
Security Exchange Name
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Fair value of pension plan assets
Defined Benefit Plan, Plan Assets, Amount
Operating loss
Total consolidated operating loss
Operating (loss) income
Operating Income (Loss)
Total lease payments
Lessee, Lease Liability, Payments, Due
Lessee, Lease Liability, Payments, Due
Total current liabilities
Current liabilities
Liabilities, Current
Contract payments
Capitalized Contract Cost Payments
Capitalized Contract Cost Payments
Number of stock incentive plans
Number of Stock Incentive Plans
Number of shareholder approved company stock incentive plans.
Pension benefits, vesting period
Defined Benefit Plan, Vesting Period
Defined Benefit Plan, Vesting Period
Prepaid expenses and other
Prepaid expenses and other
Prepaid Expense and Other Assets, Current
Variable Rate [Domain]
Variable Rate [Domain]
Net cash provided by operating activities - continuing operations
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Schedule of Error Corrections and Prior Period Adjustment Restatement [Table]
Schedule of Error Corrections and Prior Period Adjustment Restatement [Table]
Variable Rate [Axis]
Variable Rate [Axis]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Commitments and contingencies
Commitments and Contingencies
Total lease payments
Finance Lease, Liability, Payment, Due
Share repurchases
Payments for Repurchase of Common Stock
ASSETS
ASSETS
Assets [Abstract]
Schedule of Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Investment, Name [Axis]
Investment, Name [Axis]
Award vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Accounting Policies [Abstract]
Accounting Policies [Abstract]
2026 and thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Stock based compensation
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
Entity Address, State or Province
Entity Address, State or Province
Schedule of Defined Benefit Plans Disclosures
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
Expected tax expense at federal statutory
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Operating lease, payments
Operating Lease, Payments
Accounts payable
Accounts Payable, Current
Sublease income
Sublease Income
Employees And Directors
Employees And Directors [Member]
Employees And Directors
2026 and thereafter
Lessee, Lease Liability, Payments, Due After Year Five
Lessee, Lease Liability, Payments, Due After Year Five
Interest rate swaps
Derivative Asset, Current
Other Commitments [Table]
Other Commitments [Table]
Present value of lease liabilities
Lease, Liability
Lease, Liability
Retained earnings
Retained Earnings (Accumulated Deficit)
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Property, plant and equipment
Deferred Tax Liabilities, Property, Plant and Equipment
2021
Lessee, Operating Lease, Liability, to be Paid, Year One
Other
Other Accrued Liabilities, Noncurrent
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.
Cash paid for income taxes
Income Taxes Paid
Operating lease right-of-use assets
Increase Decrease In Operating Lease Right Of Use Asset
Increase Decrease In Operating Lease Right Of Use Asset
Balance as of December 31, 2019
Balance as of December 31, 2020
AOCI Tax, Attributable to Parent
2021
Finance Lease, Liability, to be Paid, Year One
Property, plant and equipment acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
2024
Lessee, Operating Lease, Liability, to be Paid, Year Four
Total leverage ratio from closing date through December 31, 2018
Leverage Ratio One
Represents total leverage ratio.
Compensation, nonvested awards, compensation cost not yet recognized
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Balance as of December 31, 2019
Balance as of December 31, 2020
AOCI before Tax, Attributable to Parent
Accumulated Other Comprehensive Income (Loss), net of taxes
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Schedule of Change in Asset Retirement Obligation
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Total
Finite-Lived Intangible Assets, Amortization Expense
Finite-Lived Intangible Assets, Amortization Expense
Postretirement Plan
OPEB Plan [Member]
OPEB Plan [Member]
State taxes
Current State and Local Tax Expense (Benefit)
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.
Diluted - Income from continuing operations (in dollars per share)
Income (Loss) from Continuing Operations, Per Diluted Share
Hedging Designation [Domain]
Hedging Designation [Domain]
Total operating expenses
Operating Expenses
Diluted - Income from discontinued operations, net of tax (in dollars per share)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share
Other comprehensive income:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Number of cell towers built
Number Of Cell Towers Built
Number Of Cell Towers Built
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Accrued programming costs
Accrued Programming Costs, Current
Accrued Programming Costs, Current
Other Noncurrent Liabilities
Other Noncurrent Liabilities [Table Text Block]
Other liabilities
Other liabilities
Other Liabilities, Noncurrent
Annual dividend reinvestment
Stock Issued During Period, Value, Dividend Reinvestment Plan
Balance at beginning of year
Balance at end of year
Asset Retirement Obligation
Finance lease, cost
Finance Lease, Cost
Finance Lease, Cost
Service revenue and other
Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Accelerated expenses
Disposal Group, Including Discontinued Operation, Accelerated Expenses
Disposal Group, Including Discontinued Operation, Accelerated Expenses
Advertising expense
Advertising Expense
Investment
Investment, Policy [Policy Text Block]
The 2005 Plan
The Plan 2005 [Member]
The Plan 2005 [Member]
Other commitment, annual payments
Other Commitment, Annual Payments
Other Commitment, Annual Payments
Business Acquisition [Axis]
Business Acquisition [Axis]
Contract amortization
Capitalized Contract Cost, Amortization
Expiration period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Statement [Line Items]
Statement [Line Items]
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]
Net income per share, basic and diluted:
Earnings Per Share, Basic and Diluted [Abstract]
Proceeds from sale of assets and other
Proceeds from Sale of Machinery and Equipment
Term of credit facility
Debt Instrument, Term
Entity Voluntary Filers
Entity Voluntary Filers
Statement [Table]
Statement [Table]
Thereafter
Finite-Lived Intangible Asset, Expected Amortization, after Year Five
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Credit Facility [Axis]
Credit Facility [Axis]
Deferred income taxes
Deferred Income Taxes and Tax Credits
Summary of Accrued Liabilities and Other
Other Current Liabilities [Table Text Block]
Total
Lessor, Operating Lease, Payments to be Received
Income Tax (Expense) Benefit
AOCI Attributable to Parent, Tax [Roll Forward]
AOCI Attributable to Parent, Tax [Roll Forward]
Retirement Plan Name [Domain]
Retirement Plan Name [Domain]
Percentage hedged
Derivative, Outstanding Debt, Percentage Hedged
Derivative, Outstanding Debt, Percentage Hedged
Entity Small Business
Entity Small Business
Principles of consolidation
Consolidation, Policy [Policy Text Block]
Operating Leases
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Debt
Debt Disclosure [Text Block]
Total revenue
Disposal Group, Including Discontinued Operation, Revenue
Interest rate swaps
Asset Retirement Obligation, Current
Amended 2016 credit agreement, limit of consolidated net income (as a percent)
Debt Instrument, Credit Agreement Terms, Percentage Of Consolidated Net Income
Debt Instrument, Credit Agreement Terms, Percentage Of Consolidated Net Income
Net cash used in financing activities - discontinued operations
Cash Provided by (Used in) Financing Activities, Discontinued Operations
Ratio of indebtedness to EBITDA
Ratio of Indebtedness to EBITDA
Ratio of indebtedness to earnings before interest, taxes, depreciation and amortization.
Property, plant and equipment [Abstract]
Property, Plant and Equipment, Net, by Type [Abstract]
Amendment Flag
Amendment Flag
Lease liabilities
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Asset retirement obligations
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations
Number of shares authorized for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Leases
Lessee, Finance Leases [Text Block]
Cost of services and cost of goods sold
Disposal Group, Including Discontinued Operation, Costs of Goods Sold
Corporate, Non-Segment
Corporate, Non-Segment [Member]
Other current liabilities
Other Accrued Liabilities, Current
Total other long-term liabilities
Liabilities, Other than Long-term Debt, Noncurrent
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent
2024
Lessee, Lease Liability, Payments, Due Year Four
Lessee, Lease Liability, Payments, Due Year Four
Intangible assets, net
Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Other long-term liabilities:
Other Liabilities, Noncurrent [Abstract]
Entity Central Index Key
Entity Central Index Key
Financial Covenants in Credit Agreements
Financial Covenants In Credit Agreements [Table Text Block]
Tabular disclosure of financial covenants in credit agreements.
Related Party [Domain]
Related Party [Domain]
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
Non-current liabilities held for sale
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
Debt service coverage ratio, actual
Debt Service Coverage Ratio, Actual
Represents actual debt service coverage ratio.
Broadband
Broadband Segment [Member]
Broadband Segment
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Schedule of Finite-Lived Intangible Assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Total liabilities held for sale
Disposal Group, Including Discontinued Operation, Liabilities
Income taxes receivable
Income Taxes Receivable, Current
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense
Reclassification from AOCI, Current Period, Tax
Segments [Domain]
Segments [Domain]
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Property, Plant and Equipment, Type [Axis]
Long-Lived Tangible Asset [Axis]
Balance at Beginning of Year
Balance at End of Year
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss, Current
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
2022
Lessee, Operating Lease, Liability, to be Paid, Year Two
Other Commitments [Line Items]
Other Commitments [Line Items]
State and Local Jurisdiction
State and Local Jurisdiction [Member]
Stock repurchased during period (in dollars per share)
Treasury Stock Acquired, Average Cost Per Share
Selling, general and administrative
Selling, General and Administrative Expense
Federal taxes
Current Federal Tax Expense (Benefit)
Amortization expense
Amortization of Intangible Assets
Leases
Deferred Tax Liabilities, Tax Deferred Income
Leases
Deferred Tax Assets, Deferred Income
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.
2023
Lessee, Operating Lease, Liability, to be Paid, Year Three
Prepaid expenses and other
Other Assets, Noncurrent
Summary of Significant Accounting Policies
Business Description and Accounting Policies [Text Block]
Plan Name [Axis]
Plan Name [Axis]
Asset retirement obligations
Disposal Group, Including Discontinued Operation, Pension Plan Benefit Obligation, Current
Proceeds from income tax refunds
Proceeds from Income Tax Refunds
Segment Reporting
Segment Reporting Disclosure [Text Block]
Common stock issued
Stock Issued During Period, Value, New Issues
Accounts receivable
Receivables, Net, Current
Capitalized Contract Cost [Roll Forward]
Capitalized Contract Cost [Roll Forward]
Capitalized Contract Cost [Roll Forward]
Income from continuing operations
Income from continuing operations
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Total assets
Assets
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
The 2014 Plan
The Plan 2014 [Member]
A stock incentive plan approved by the Board of Directors.
Pension liabilities
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions
Accrued liabilities and other
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current
Title of 12(b) Security
Title of 12(b) Security
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Finance Leases
Finance Lease, Liability, Payment, Due [Abstract]
Total
Finite-Lived Intangible Assets, Net
Income taxes payable
Accrued Income Taxes, Current
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Leases
Lessor, Operating Leases [Text Block]
Cost method investments
Equity Securities, FV-NI, Cost
Long-lived Assets
Intangible Assets, Finite-Lived, Policy [Policy Text Block]
2022
Lessor, Operating Lease, Payment to be Received, Year Two
Expected Maturity of Lease Liabilities, Financing
Finance Lease, Liability, Fiscal Year Maturity [Table Text Block]
Schedule of Other Assets, Noncurrent
Schedule of Other Assets, Noncurrent [Table Text Block]
Depreciation and amortization
Depreciation, Depletion and Amortization
Other
Deferred Tax Assets, Tax Deferred Expense, Other
Components of Federal and State Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Other intangibles
Other Intangible Assets [Member]
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.
Product and Service [Axis]
Product and Service [Axis]
Prepaid expenses and other
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current
Compensation, nonvested awards, cost not yet recognized, period for recognition
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
2025
Finance Lease, Liability, to be Paid, Year Five
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Less: Interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
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.
2021
Lessee, Lease Liability, Payments Next Twelve Months
Lessee, Lease Liability, Payments Due Next Twelve Months
Value of business percentage
Related Party, Purchase Option, Value Of Business Percentage
Related Party, Purchase Option, Value Of Business Percentage
Accounts payable
Increase (Decrease) in Accounts Payable
Payments
Asset Retirement Obligation, Cash Paid to Settle
Debt Instrument [Axis]
Debt Instrument [Axis]
FCC spectrum licenses
FCC spectrum licenses
FCC Spectrum Licenses [Member]
FCC Spectrum Licenses [Member]
Additional Paid in Capital
Additional Paid-in Capital [Member]
Investments
Investment Holdings [Text Block]
Schedule of Quarterly Financial Information
Quarterly Financial Information [Table Text Block]
Operating Segments
Operating Segments [Member]
Revenue remaining performance obligation, per year
Revenue Remaining Performance Obligation, Amount Per Year
Revenue Remaining Performance Obligation, Amount Per Year
Big sandy acquisition
Big Sandy Acquisition [Member]
Big Sandy Acquisition [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
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
Basic - Income from continuing operations (in dollars per share)
Income (Loss) from Continuing Operations, Per Basic Share
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Abstract]
Schedule of Other Current Assets
Schedule of Other Current Assets [Table Text Block]
Common stock, shares outstanding (in shares)
Balance (in shares)
Balance (in shares)
Common Stock, Shares, Outstanding
Deferred tax assets:
Deferred Tax Assets, Net [Abstract]
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Sales and property taxes payable
Sales And Property Taxes Payable Current
Sales And Property Taxes Payable Current
State income taxes, net of federal tax effect
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Revolving Credit Facility
Revolving Credit Facility [Member]
CoBank
CoBank [Member]
Equity securities investments.
Railroad crossing rights
Railroad Crossing Rights [Member]
Railroad Crossing Rights [Member]
Subsequent Event
Subsequent Event [Member]
Total operating expenses
Disposal Group, Including Discontinued Operation, Operating Expense
Domestic Tax Authority
Domestic Tax Authority [Member]
Cash disbursed for acquisitions
Payments to Acquire Businesses, Net of Cash Acquired
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Total property, plant and equipment
Property, Plant and Equipment, Gross
Federal taxes
Deferred Federal Income Tax Expense (Benefit)
Selected Financial Data for Segments
Schedule of Segment Reporting Information, by Segment [Table Text Block]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
Covenants minimum liquidity amount
Debt Instrument Covenants Minimum Liquidity Amount
Represents the minimum liquidity balance, defined as availability under the revolver facility plus unrestricted cash and cash equivalents on deposit in a deposit account for which a control agreement has been delivered to the administrative agent.
Income Statement [Abstract]
Income Statement [Abstract]
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent [Member]
Non-current operating lease liabilities
Operating Lease, Liability, Noncurrent
2024
Finite-Lived Intangible Asset, Expected Amortization, Year Four
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Prepaid maintenance expenses
Prepaid Maintenance Expense, Current
Prepaid Maintenance Expense, Current
Net cash provided by operating activities - discontinued operations
Cash Provided by (Used in) Operating Activities, Discontinued Operations
Deferred tax assets, operating loss carryforwards, state and local
Net operating loss carry-forwards
Deferred Tax Assets, Operating Loss Carryforwards, State and Local
Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table]
Use of estimates
Use of Estimates, Policy [Policy Text Block]
Current assets:
Assets, Current [Abstract]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Excess tax benefit from share based compensation and other, net
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount
Cable franchise rights
Franchise Rights [Member]
FCC spectrum license obligations
FCC Spectrum Licenses Leases Non current
FCC Spectrum Licenses Leases Non current
Goodwill, gross
Goodwill, Gross
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
2023
Finance Lease, Liability, to be Paid, Year Three
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.
Beginning Balance
Ending Balance
Capitalized Contract Cost, Net
Documents Incorporated by Reference
Documents Incorporated by Reference [Text Block]
Reconciliation of Income Taxes
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Amended 2016 credit agreement, limit of dividends paid, distributions and redemption of capital stock
Debt Instrument, Credit Agreement Terms, Limit Of Dividends Paid, Distributions, And Redemption Of Capital Stock
Debt Instrument, Credit Agreement Terms, Limit Of Dividends Paid, Distributions, And Redemption Of Capital Stock
Write-offs
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Tower lease
Tower Lease [Member]
Tower Lease [Member]
Net change in unrealized (loss) gain
OCI, before Reclassifications, Net of Tax, Attributable to Parent
Capital expenditures
Capital expenditures
Payments to Acquire Property, Plant, and Equipment
City Area Code
City Area Code
Consolidation Items [Domain]
Consolidation Items [Domain]
Correction of Error
Revision of Prior Period, Adjustment [Member]
Accretion of asset retirement obligations
Amortization Reflected as Rent Expense
Amortization Reflected as Rent Expense
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Document Period End Date
Document Period End Date
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
Goodwill and Intangible Assets
Goodwill and Intangible Assets Disclosure [Text Block]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, net
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent
Gain from patronage and investments
Income (Loss) from Equity Method Investments
Stock repurchase amount authorized
Stock Repurchase Program, Authorized Amount
Other Assets and Accrued Liabilities
Other Liabilities Disclosure [Text Block]
Income before income taxes
Income from continuing operations before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Hedging Designation [Axis]
Hedging Designation [Axis]
Interest expense
Disposal Group, Including Discontinued Operation, Interest Expense
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Additional liabilities accrued
Asset Retirement Obligation, Liabilities Incurred
Quarterly Financial Information Disclosure [Abstract]
Quarterly Financial Information Disclosure [Abstract]
Gains (Losses) on Cash Flow Hedges
AOCI Attributable to Parent, Before Tax [Roll Forward]
AOCI Attributable to Parent, Before Tax [Roll Forward]
Capitalized stock compensation
Share-based Payment Arrangement, Amount Capitalized
Disposal group, accounts receivable
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net
Schedule of stock compensation expense
Share-based Payment Arrangement, Cost by Plan [Table Text Block]
Net change in unrealized (loss) gain
Other Comprehensive Income (Loss) before Reclassifications, Tax
Stock based compensation expense, net of amount capitalized
Share-based Payment Arrangement, Noncash Expense
Share repurchases
Stock Repurchased During Period, Value
SERP Investments at fair value
Equity Securities, FV-NI
Ntelos Pension Plan
Ntelos Pension Plan [Member]
Ntelos Pension Plan [Member]
Payments for financing arrangements and other
Proceeds from (Payments for) Other Financing Activities
Taxes paid for equity award issuances
Payment, Tax Withholding, Share-based Payment Arrangement
Designated as Hedging Instrument
Designated as Hedging Instrument [Member]
Cover [Abstract]
Cover [Abstract]
Quarterly Results (unaudited)
Quarterly Financial Information [Text Block]
Equity Method Investee
Equity Method Investee [Member]
Estimated useful lives
Property, Plant and Equipment, Useful Life
Total
Long-term Debt
Affiliated Entity
Affiliated Entity [Member]
Leases
Lessee, Operating Leases [Text Block]
Cost of services
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization
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.
Related party costs
Related Party Costs
Retirement Plan Name [Axis]
Retirement Plan Name [Axis]
Asset retirement obligations
Asset Retirement Obligations, Noncurrent
Subscriber relationships
Customer Relationships [Member]
Income from discontinued operations, net of tax
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Total operating expenses
Costs and Expenses
Equity Components [Axis]
Equity Components [Axis]
Unrealized (loss) income on interest rate hedge, net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Share-based Payment Arrangement [Abstract]
Share-based Payment Arrangement [Abstract]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Total gross deferred tax assets
Deferred Tax Assets, Gross
Minimum
Minimum [Member]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Land
Land [Member]
Current operating lease liabilities
Operating Lease, Liability, Current
Reconciliation of income from continuing operations from segments to consolidated [Abstract]
Reconciliation of income from continuing operations from segments to consolidated [Abstract]
2025
Lessee, Lease Liability, Payments, Due Year Five
Lessee, Lease Liability, Payments, Due Year Five
Less: unamortized loan fees
Unamortized Loan Fees, Net
Represents the net unamortized loan fees.
Accrued compensation
Accrued Salaries, Current
Entity Interactive Data Current
Entity Interactive Data Current
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Operating lease right-of-use assets
Disposal Group, Including Discontinued Operation, Operating Lease, Right-Of-Use Asset, Noncurrent
Disposal Group, Including Discontinued Operation, Operating Lease, Right-Of-Use Asset, Noncurrent
Revenues [Abstract]
Revenues [Abstract]
Components of Deferred Tax Assets and Liabilities [Abstract]
Components of Deferred Tax Assets and Liabilities [Abstract]
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Interest rate swaps
Interest Rate Swap [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Total
Lease Liabilities, Payments, Due [Abstract]
Lease Liabilities, Payments, Due [Abstract]
Current assets held for sale
Current assets held for sale
Disposal Group, Including Discontinued Operation, Assets, Current
Cumulative Effect, Period of Adoption, Adjustment
Cumulative Effect, Period of Adoption, Adjustment [Member]
Land improvements
Land Improvements [Member]
Entity Registrant Name
Entity Registrant Name
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Derivative [Table]
Derivative [Table]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Operating lease, weighted average discount rate, percent
Operating Lease, Weighted Average Discount Rate, Percent
Total gross deferred tax liabilities
Deferred Tax Liabilities, Gross
Dividends reinvested in common stock (in shares)
Stock Issued During Period, Value, Common Stock, Dividend Reinvestment Plan
Stock Issued During Period, Value, Common Stock, Dividend Reinvestment Plan
Intersegment Eliminations
Intersegment Eliminations [Member]
Advertising Costs
Advertising Cost [Policy Text Block]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Deferred charges and other assets
Deferred Charges and Other Assets, Net [Member]
Line item in the statement of financial position in which the fair value amounts of the derivative instruments are included.
Total intangible assets, gross carrying amount
Intangible Assets, Gross (Excluding Goodwill)
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Less: Interest
Finance Lease, Liability, Undiscounted Excess Amount
Bad debt expense
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense
Cash flow hedge gain (loss) to be reclassified within twelve months
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Table]
Dividends paid, net of dividends reinvested
Payments of Ordinary Dividends, Common Stock
Consolidation Items [Axis]
Consolidation Items [Axis]
Accrued portion of acquisition price
Noncash or Part Noncash Acquisition, Other Liabilities Assumed
Not Designated as Hedging Instrument
Not Designated as Hedging Instrument [Member]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Investments [Abstract]
Investments [Abstract]
Accounts receivable, net of allowance for doubtful accounts of $614 and $533, respectively
Accounts Receivable, after Allowance for Credit Loss, Current
Vesting reductions, threshold age of recipient
Defined Benefit Plan, Vesting Reductions, Threshold Age Of Recipient
Defined Benefit Plan, Vesting Reductions, Threshold Age Of Recipient
Total lease payments
Lessee, Operating Lease, Liability, to be Paid
Net cash used in financing activities - continuing operations
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Effect from dilutive shares and options outstanding (in shares)
Business Acquisition Noncontrolling Interest, Shares Reserved To Acquire Noncontrolling Interest
Business Acquisition Noncontrolling Interest, Shares Reserved To Acquire Noncontrolling Interest
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Net deferred tax assets
Deferred Tax Assets, Net of Valuation Allowance
Wireless Segment
Wireless Segment [Member]
Wireless Segment
Depreciation and amortization
Disposal Group, Including Discontinued Operation, Depreciation and Amortization
Schedule of Finite Lived Intangible Assets, Amortization, Estimated Useful Lives
Schedule of Finite Lived Intangible Assets, Amortization, Estimated Useful Lives [Table Text Block]
Schedule of Finite Lived Intangible Assets, Amortization, Estimated Useful Lives [Table Text Block]
Goodwill
Goodwill
Income tax expense
Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period
Other comprehensive gain (loss), net of tax
Net current period other comprehensive (loss) income
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Document Transition Report
Document Transition Report
Title of Individual [Axis]
Title of Individual [Axis]
Deferred expense (benefit)
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Cash dividend declared per share (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Other nonoperating income (expense)
Equity Securities, FV-NI, Realized Gain (Loss)
Weighted average customer life
Weighted Average Customer Life
Weighted Average Customer Life
Sale proceeds
Disposal Group, Including Discontinued Operation, Consideration
Other
Other Assets, Current
Buildings and structures
Building and Building Improvements [Member]
Current (benefit) expense
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Net current period other comprehensive (loss) income
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent
Property, plant and equipment, net
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current
Discontinued Operations
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Notional amount of interest rate swaps
Derivative Asset, Notional Amount
Basic - Income from discontinued operations, net of tax (in dollars per share)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share
Interest rate
Derivative, Fixed Interest Rate
Indefinite-lived intangible assets acquired
Indefinite-lived Intangible Assets Acquired
Advanced billings and customer deposits
Contract with Customer, Liability, Current
Accruals and stock based compensation
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals
Cumulative Effect, Period of Adoption [Axis]
Cumulative Effect, Period of Adoption [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Derivative Contract [Domain]
Derivative Contract [Domain]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Weighted average shares outstanding, diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Basic net income per share (in dollars per share)
Basic net income per share (in dollars per share)
Net income per share - basic (in dollars per share)
Earnings Per Share, Basic
Selling, general and administrative
Disposal Group, Including Discontinued Operation, Selling, General And Administrative Expense
Disposal Group, Including Discontinued Operation, Selling, General And Administrative Expense
Other income:
Other Income and Expenses [Abstract]
Entity File Number
Entity File Number
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
SERP Plan
SERP Plan [Member]
SERP Plan [Member]
Benefit plan obligations
Liability, Defined Benefit Plan, Noncurrent
Operating lease, weighted average remaining lease term
Operating Lease, Weighted Average Remaining Lease Term
Tower
Tower Segment [Member]
Tower Segment
Finite-lived intangible assets acquired
Finite-lived Intangible Assets Acquired
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
2024
Lessor, Operating Lease, Payment to be Received, Year Four
Disposal Groups, Including Discontinued Operations
Disposal Groups, Including Discontinued Operations [Table Text Block]
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Remaining performance obligations
Revenue, Remaining Performance Obligation, Amount
Goodwill
Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent
Stock compensation expense
Share-based Payment Arrangement, Expense
Gains (Losses) on Cash Flow Hedges
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Recoveries added to allowance
SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery
Unrecognized tax benefits
Unrecognized Tax Benefits
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Common stock, no par value, authorized 96,000; 49,868 and 49,671 issued and outstanding at December 31, 2020 and 2019, respectively
Common Stock, Value, Issued
Investments
Long-term Investments
Broadband contract acquisition and fulfillment costs
Capitalized Contract Cost, Net, Noncurrent
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Document Fiscal Year Focus
Document Fiscal Year Focus
RLEC & Other
Carrier Access Revenue [Member]
Carrier Access Revenue [Member]
Total investments
Other Long-term Investments
Document Annual Report
Document Annual Report
2022
Finite-Lived Intangible Asset, Expected Amortization, Year Two
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Amortized and Capitalized Contract Cost
Capitalized Contract Cost [Table Text Block]
Current maturities of long-term debt, net of unamortized loan fees
Long-term Debt, Current Maturities
Fair value of projected benefit obligations
Defined Benefit Plan, Benefit Obligation
Entity Current Reporting Status
Entity Current Reporting Status
Inventory
Disposal Group, Including Discontinued Operation, Inventory, Current
2024
Finance Lease, Liability, to be Paid, Year Four
Valley Network Partnership
Valley Network Partnership [Member]
Valley Network Partnership [Member]
Goodwill and Intangible assets, net
Intangible Assets, Net (Including Goodwill)
Other Liabilities Disclosure [Abstract]
Other Liabilities Disclosure [Abstract]
Stock based compensation (in shares)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
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
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Deferred tax liabilities
Prepaid assets and other
Deferred Tax Liabilities, Other
Present value of lease liabilities
Operating Lease, Liability
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]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Net deferred tax liabilities
Deferred Tax Liabilities, Net
Long-term debt, less current maturities, net of unamortized loan fees
Long-term Debt, Excluding Current Maturities
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Total shareholders’ equity
Balance
Balance
Stockholders' Equity Attributable to Parent
Current liabilities held for sale
Current liabilities held for sale
Disposal Group, Including Discontinued Operation, Liabilities, Current
Increase in assets
Increase (Decrease) in Operating Assets
Nature of Operations
Nature of Operations [Text Block]
Aggregate purchase price
Business Combination, Consideration Transferred
Total liabilities and shareholders’ equity
Liabilities and Equity
Accumulated other comprehensive (loss) income, net of taxes
Balance as of December 31, 2019
Balance as of December 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax
Income Taxes
Income Tax Disclosure [Text Block]
Entity Address, City or Town
Entity Address, City or Town
Increase in liabilities
Increase (Decrease) in Operating Liabilities
Service revenue and other
Service revenue and other
Service and Other [Member]
Service and Other [Member]
Cash disbursed for deposit on FCC spectrum leases
Payments to Acquire Intangible Assets
Restricted Stock Units (RSUs)
Restricted Stock Units (RSUs) [Member]
Income from discontinued operations, net of tax
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax
Operating lease, cost
Operating Lease, Cost
2025
Lessee, Operating Lease, Liability, to be Paid, Year Five
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Current operating lease liabilities
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Current
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Current
Total leverage ratio, actual
Leverage Ratio, Actual
Represents actual leverage ratio.
Anti-dilutive awards outstanding (fewer than)(in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Relative Total Shareholder Return Awards
Relative Total Shareholder Return Awards [Member]
Relative Total Shareholder Return Awards [Member]
Total current provision
Current Income Tax Expense (Benefit)
Finance lease, weighted average remaining lease term
Finance Lease, Weighted Average Remaining Lease Term
Cost of goods sold
Product [Member]
Total leverage ratio thereafter
Leverage Ratio Three
Represents total leverage ratio.
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets [Axis]
Estimated Useful Life (in years)
Finite-Lived Intangible Asset, Useful Life
Equity Component [Domain]
Equity Component [Domain]
Operating lease right-of-use assets
Disposal Group, Including Discontinued Operation, Operating Lease, Right-Of-Use Asset, Current
Disposal Group, Including Discontinued Operation, Operating Lease, Right-Of-Use Asset, Current
Less valuation allowance
Deferred Tax Assets, Valuation Allowance
LIABILITIES
Liabilities [Abstract]
Other assets
Increase (Decrease) in Other Noncurrent Assets
Property, plant and equipment, net
Property, plant and equipment, net
Property, Plant and Equipment, Net
2023
Finite-Lived Intangible Asset, Expected Amortization, Year Three
Total assets held for sale
Disposal Group, Including Discontinued Operation, Assets
Entity Tax Identification Number
Entity Tax Identification Number
Non-current operating lease liabilities
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Noncurrent
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Noncurrent
Earnings per Share & Stock Compensation
Share-based Payment Arrangement [Text Block]
Net income
Net income
Net Income (Loss) Attributable to Parent
Net Income (Loss) Attributable to Parent
Noncurrent portion of financing leases
Finance Lease, Liability, Noncurrent
Changes in assets and liabilities:
Increase (Decrease) in Operating Assets [Abstract]
London Interbank Offered Rate (LIBOR)
London Interbank Offered Rate (LIBOR) [Member]
Investment, Name [Domain]
Investment, Name [Domain]
Leases [Abstract]
Leases [Abstract]
Total current assets
Assets, Current
Current Fiscal Year End Date
Current Fiscal Year End Date
Corporate & Eliminations
Corporate and Other [Member]
Operating expenses
Operating Expenses [Abstract]
Operating loss carryforwards
Operating Loss Carryforwards
Deferred Tax Assets and Liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Accrued liabilities and other
Accrued Liabilities And Other [Member]
Accrued Liabilities And Other
Present value of lease liabilities
Finance Lease, Liability
Plant in service
Other Plant in Service [Member]
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent
Shareholders’ equity:
Stockholders' Equity Attributable to Parent [Abstract]
Subscriber relationship acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
2025
Finite-Lived Intangible Asset, Expected Amortization, Year Five
Document Fiscal Period Focus
Document Fiscal Period Focus
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
2026 and thereafter
Finance Lease, Liability, to be Paid, after Year Five
Noncurrent portion of deferred lease revenue
Contract with Customer, Liability, Noncurrent
Less: Interest
Lessee, Lease Liability, Undiscounted Excess Amount
Lessee, Lease Liability, Undiscounted Excess Amount
Percentage of patronage credit paid in share
Percentage of Patronage Credit Paid in Share
Represents the percentage of patronage credits paid in share by the entity.
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Equity method investments
Equity Method Investment, Aggregate Cost
Entity Filer Category
Entity Filer Category
Shares of Common Stock (no par value)
Common Stock [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Product and Service [Domain]
Product and Service [Domain]
Property, Plant and Equipment, Type [Domain]
Long-Lived Tangible Asset [Domain]
SEC Schedule, 12-09, Allowance, Credit Loss
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
2022
Lessee, Lease Liability, Payments, Due Year Two
Lessee, Lease Liability, Payments, Due Year Two
Broadband contract acquisition and fulfillment costs
Capitalized Contract Cost, Net, Current
Deferred charges and other assets
Deferred charges and other assets
Deferred Costs, Noncurrent
Finance lease, weighted average discount rate, percent
Finance Lease, Weighted Average Discount Rate, Percent
Property, Plant and Equipment
Property, Plant and Equipment [Table Text Block]
Other Commitments [Axis]
Other Commitments [Axis]
Other Commitments [Domain]
Other Commitments [Domain]
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income Tax Expense (Benefit), Continuing Operations [Abstract]
2021
Lessor, Operating Lease, Payment to be Received, Year One
Net current period other comprehensive (loss) income
Other Comprehensive Income (Loss), Tax
Common stock issued (in shares)
Stock Issued During Period, Shares, New Issues
Plant under construction
Asset under Construction [Member]
Gross carrying amount
Finite-Lived Intangible Assets, Gross
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Discontinued Operations, Held-for-sale
Discontinued Operations, Held-for-sale [Member]
Restatement [Domain]
Revision of Prior Period [Domain]
Bad debt expense
Accounts Receivable, Credit Loss Expense (Reversal)
Total debt, net of unamortized loan fees
Total debt, net of unamortized loan fees
Amount after unamortized loan fees of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
Less: accumulated amortization and depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Stock options exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Net increase in cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Other income, net
Other income, net
Nonoperating Income (Expense)
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Expected Maturity of Lease Liabilities, Operating
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Other deferrals and accruals
Increase (Decrease) in Other Accrued Liabilities
Asset retirement obligations
Disposal Group, Including Discontinued Operation, Asset Retirement Obligations, Noncurrent
Disposal Group, Including Discontinued Operation, Asset Retirement Obligations, Noncurrent
Weighted average shares outstanding, basic (in shares)
Basic weighted average shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Basic
Basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Non-current assets held for sale
Non-current assets held for sale
Disposal Group, Including Discontinued Operation, Assets, Noncurrent
Cash Flow Hedging
Cash Flow Hedging [Member]
State taxes
Deferred State and Local Income Tax Expense (Benefit)
Plan Name [Domain]
Plan Name [Domain]
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Interest Paid, Excluding Capitalized Interest, Operating Activities
Interest Paid, Excluding Capitalized Interest, Operating Activities
Ownership interest, percentage
Equity Method Investment, Ownership Percentage
Revenue from Contracts with Customers
Revenue from Contract with Customer [Text Block]
Right-of-use asset obtained in exchange for operating lease liability
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Additional paid in capital
Additional Paid in Capital
2021
Finite-Lived Intangible Asset, Expected Amortization, Year One
Cash and cash equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Income tax (benefit) expense
Income tax (benefit) expense
Income Tax Expense (Benefit)
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Property, plant and equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Dividends reinvested in common stock
Stock Issued During Period, Shares, Common Stock, Dividend Reinvestment Plan
Stock Issued During Period, Shares, Common Stock, Dividend Reinvestment Plan
Title of Individual [Domain]
Title of Individual [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Accrued liabilities and other
Accrued liabilities and other
Accrued Liabilities, Current
Diluted net income per share (in dollars per share)
Diluted net income per share (in dollars per share)
Net income per share - diluted (in dollars per share)
Earnings Per Share, Diluted
Local Phone Number
Local Phone Number
Remitted portion of acquisition price
Payments to Acquire Businesses, Gross
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Intangible assets, net
Disposal Group, Including Discontinued Operation, Intangible Assets, Current
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect, Period of Adoption [Domain]
Deferred tax liabilities:
Deferred Tax Liabilities, Net [Abstract]
Operating income
Disposal Group, Including Discontinued Operation, Operating Income (Loss)
Goodwill
Disposal Group, Including Discontinued Operation, Goodwill, Current
Derivative [Line Items]
Derivative [Line Items]
Intangible Assets Resulting from Acquisition
Schedule of Indefinite-Lived Intangible Assets [Table Text Block]
Indefinite-lived Intangible Assets
Goodwill and Intangible Assets, Policy [Policy Text Block]
External revenue
Entity Wide Information Revenue From External Customer [Abstract]
Long-term Debt
Schedule of Long-term Debt Instruments [Table Text Block]
Depreciation
Depreciation
Minimum debt service coverage ratio
Minimum Debt Service Coverage Ratio
Ratio of EBITDA divided by sum of all scheduled principal payments on Term Loans and regularly scheduled principal payments on other indebtedness plus cash interest.
Entity Address, Address Line One
Entity Address, Address Line One
Entity Emerging Growth Company
Entity Emerging Growth Company
Schedule II Valuation and Qualifying Accounts
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Stock options exercised
Stock Issued During Period, Value, Stock Options Exercised
Non-amortizing intangibles
Indefinite-lived Intangible Assets (Excluding Goodwill)
Stock compensation expense, net
Share-based Payment Arrangement, Expense, after Tax
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Total deferred provision
Deferred Income Tax Expense (Benefit)
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Award Type [Axis]
Award Type [Axis]
Prepaid expenses and other
Prepaid Expenses and Other Current Assets [Member]
Accumulated amortization and other
Finite-Lived Intangible Assets, Accumulated Amortization
Maximum
Maximum [Member]
Income before income taxes
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax
Retirement plans
Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block]
Net cash used in investing activities - discontinued operations
Cash Provided by (Used in) Investing Activities, Discontinued Operations
Subscriber relationships
Acquired Subscribers - Broadband [Member]
Acquired Subscribers - Broadband [Member]
Dividends declared
Dividends, Common Stock, Cash
Retained Earnings
Retained Earnings [Member]
Changes to prior estimates
Asset Retirement Obligation, Revision of Estimate
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
AOCI Attributable to Parent [Abstract]
AOCI Attributable to Parent [Abstract]
2023
Lessor, Operating Lease, Payment to be Received, Year Three
Current income taxes
Increase (Decrease) in Income Taxes Receivable
Award Type [Domain]
Award Type [Domain]
Minimum Rental Receipts Under Lease Agreement Lessor, Operating Leases
Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block]
Interest Rate Swap, May 2016
Interest Rate Swap, May 2016 [Member]
Interest Rate Swap, May 2016 [Member]
Trading Symbol
Trading Symbol
Commercial Fiber
Commercial Fiber [Member]
Commercial Fiber
Revenue from related parties
Revenue from Related Parties
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Discontinued Operations and Disposal Groups [Abstract]
Net change in unrealized (loss) gain
OCI, before Reclassifications, before Tax, Attributable to Parent
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Property, Plant and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Pension Plan
Pension Plan
Pension Plan [Member]
Discount rate
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Shares issued (as a percent)
Share-Based Compensation Arrangement By Share-Based Payment Award, Shares Issued In Period, Percentage
Share-Based Compensation Arrangement By Share-Based Payment Award, Shares Issued In Period, Percentage
Current liabilities:
Liabilities, Current [Abstract]
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Entity Shell Company
Entity Shell Company
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Accretion expense
Asset Retirement Obligation, Accretion Expense
2022
Finance Lease, Liability, to be Paid, Year Two
New Accounting Standards
New Accounting Pronouncements, Policy [Policy Text Block]
Entity Public Float
Entity Public Float
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Canaan Cable
Canaan Cable [Member]
Canaan Cable