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Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Rate used for rent percentage Rate Used For Rent Percentage Rate used for rent percentage. Scenario Scenario [Axis] Cash Share Exchange Cash Share Exchange [Member] Cash Share Exchange Senior Secured Notes Senior Secured Notes [Member] Senior Secured Notes Deferred income taxes Business Combination, Recognized Liability Assumed, Deferred Tax Liability Business Combination, Consideration Transferred, Equity Interest [Line Items] Business Combination, Consideration Transferred, Equity Interest [Line Items] Derivative, number of instruments held Derivative, Number of Instruments Held Reclassification of realized interest Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Derivative Contract Derivative Contract [Domain] All Individuals All Individuals [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Name Forgone Recovery, Individual Name Reclassification of unrealized gains, net of tax Unrealized Gain (Loss) on Derivatives Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Capital expenditures Payments to Acquire Other Property, Plant, and Equipment Weighted average interest rate Debt, Weighted Average Interest Rate Percentage of voting capital stock Percentage Of Voting Capital Stock Percentage Of Voting Capital Stock Equity Securities Defined Benefit Plan, Equity Securities [Member] Schedule of Derivative Instruments of Interest Rate Swap Agreements Schedule of Derivative Instruments [Table Text Block] Senior unsecured notes - 6.00% due January 15, 2030 (discount is based on imputed interest rate of 6.27%) Six Point Zero Percentage Senior Unsecured Notes Due January Fifteen Two Thousand Thirty [Member] Six Point Zero Percentage Senior Unsecured Notes Due January Fifteen Two Thousand Thirty. 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Benefits earned during the period Defined Benefit Plan, Service Cost Rights of way Right Of Way [Member] Right Of Way Change in fair value of interest rate cap, net of tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Interest rate during period Debt Instrument, Interest Rate During Period Net income attributable to shareholders Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Risk free rate term structure and a credit risk adjusted spread percentage Business Combination, Equity Consideration Measurement Input, Risk Free Rate Basis Spread Business Combination, Equity Consideration Measurement Input, Risk Free Rate Basis Spread Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized VFN ARD And ABS-2 ARD, Collectively, The ARD VFN ARD And ABS-2 ARD, Collectively, The ARD [Member] VFN ARD And ABS-2 ARD, Collectively, The ARD Adoption Date Trading Arrangement Adoption Date Base Rate Base Rate [Member] Preferred stock, dividend rate, annual increase, percentage Preferred Stock, Dividend Rate, Annual Increase, Percentage Preferred Stock, Dividend Rate Increase, Percentage Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Eliminations Consolidation, Eliminations [Member] Windstream Commitments, Growth Capital Improvements, Cost Reimbursements Windstream Commitments, Growth Capital Improvements, Cost Reimbursements [Member] Windstream Commitments, Growth Capital Improvements, Cost Reimbursements Customer relationships Customer Relationships [Member] Operating (loss) income Operating income Operating income Operating Income (Loss) Line of Credit Line of Credit [Member] Eight Point Six Three Percentage Senior Unsecured Notes Due July Fifteen Two Thousand Thirty Two Eight Point Six Three Percentage Senior Unsecured Notes Due July Fifteen Two Thousand Thirty Two [Member] Eight Point Six Three Percentage Senior Unsecured Notes Due July Fifteen Two Thousand Thirty Two Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Sales revenue Sales-type Lease, Revenue Class of Stock [Axis] Class of Stock [Axis] Old Uniti Old Uniti [Member] Old Uniti Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Windstream Term Loan Windstream Term Loan [Member] Windstream Term Loan Other (expense) income, net Other expense, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Schedule of Merger Consideration Business Combination [Table Text Block] Accounts receivable, net of non-current portion Accounts Receivable, after Allowance for Credit Loss, Noncurrent Deferred income taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Total merger consideration Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Contract liabilities Contract with Customer, Liability Variable Rate Variable Rate [Domain] Finance lease obligations Finance Lease, Liability, Noncurrent Lessor Arrangements Lessor, Leases [Policy Text Block] Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Business Combination, Acquiree's Revenue since Acquisition Date, Actual Business Combination, Acquiree's Revenue since Acquisition Date, Actual Senior secured revolving credit facility - variable rate, due September 24, 2027 Senior Secured Revolving Credit Facility, Variable Rate, Due September 24, 2027 [Member] Senior Secured Revolving Credit Facility, Variable Rate, Due September 24, 2027 Basic (in shares) Total basic weighted-average common shares outstanding (in shares) Basic weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Earnings Per Share Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Other Interest Expense, Other Net Interest Expense, Other Net Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Operating lease assets, including discontinued operation Disposal Group, Including Discontinued Operation, Operating Lease Assets Disposal Group, Including Discontinued Operation, Operating Lease Assets Debt Disclosure [Abstract] Debt Disclosure [Abstract] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Scenario Scenario [Domain] Costs and expenses: Costs and Expenses [Abstract] Growth capital improvements reimbursement amount made to date Other Commitment, Payments Made To-Date Growth capital improvements reimbursement commitment amount. Write-offs, net of recovered accounts Accounts Receivable, Allowance for Credit Loss, Writeoff Accounts receivable Accounts Receivable, before Allowance for Credit Loss DSL subscriber and other DSL Subscriber And Other [Member] DSL Subscriber And Other Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities Consolidated Entities [Axis] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Revision of Prior Period, Reclassification, Adjustment Revision of Prior Period, Reclassification, Adjustment [Member] Net realized gain reclassified into interest expense Other Comprehensive Income (Loss), Cash Flow Hedge, Net Realized Gain (Loss) Reclassified Into Interest Expense Other Comprehensive Income (Loss), Cash Flow Hedge, Net Realized Gain (Loss) Reclassified Into Interest Expense Recorded at Fair Value in the Financial Statements: Recorded At Fair Value In The Financial Statements [Abstract] Recorded At Fair Value In The Financial Statements Schedule of Fair Value Valuation of Financial Instruments Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Windstream Commitment Windstream Commitment [Member] Windstream Commitment Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Contributions by employer, cash Defined Contribution Plan, Contributions by Employer, Cash Defined Contribution Plan, Contributions by Employer, Cash ABS Notes (Class A-2) - 5.877%, due April 1, 2030 (discount is based on imputed interest rate of 6.36%) 5.877% Series 2025-1, Class A-2 term notes Five Point Eight Seven Seven Percentage ABS Notes (Class A-2) Due April One Two Thounsad Thirty [Member] Five Point Eight Seven Seven Percentage ABS Notes (Class A-2) Due April One Two Thounsad Thirty Total liabilities Liabilities Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Settlement payable Settlement Liabilities, Current ABS Notes (Class B) - 6.369%, due April 1, 2030 (discount is based on imputed interest rate of 6.86%) Six Point Thirty Six Nine Percentage ABS Notes (Class B) Due April One Two Thounsad Thirty Six Point Thirty Six Nine Percentage ABS Notes (Class B) Due April One Two Thounsad Thirty [Member] Six Point Thirty Six Nine Percentage ABS Notes (Class B) Due April One Two Thounsad Thirty Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other, net (in shares) Stockholders' Equity, Other Shares Long-term debt Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent Consolidation Items [Axis] Consolidation Items [Axis] Variable Rate Variable Rate [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Trading days Debt Instrument, Convertible, Threshold Trading Days Contracts Customer Contracts [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net pension benefit obligation Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Series 2025-2, Class A-1 Variable Funding Notes Series 2025-2, Class A-1 Variable Funding Notes [Member] Series 2025-2, Class A-1 Variable Funding Notes Other commitment, reimbursement default period threshold Other Commitment, Reimbursement Default Period Threshold Other Commitment, Reimbursement Default Period Threshold