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Basis of Presentation and Other Information - Horizon Transaction (Details) - USD ($)
$ / shares in Units, $ in Millions
 9 Months Ended
Apr. 01, 2024
Sep. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Issuance of redeemable noncontrolling interest (in shares)   81,000
Revolving Credit Facility    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Increase in maximum borrowing capacity $ 50.0  
Term Loan    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Increase in maximum borrowing capacity $ 225.0  
Energy Capital Partners    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Period for conversion of preferred stock 2 years  
Preferred stock conversion common stock price trigger percentage 125.00%  
Preferred stock redemption period 5 years  
Energy Capital Partners | Shentel Broadband Holding Inc.    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Percentage of shares owned 7.50%  
Series A Preferred Stock    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Preferred stock, par value (in dollars per share) $ 0.01  
Preferred stock, shares authorized (in shares)   100,000
Shentel Broadband Holding Inc. | Fifth Anniversary    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Paid in kind dividend percentage 8.50%  
Shentel Broadband Holding Inc. | Seventh Anniversary    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Paid in kind dividend percentage 10.00%  
Shentel Broadband Holding Inc. | Series A Preferred Stock    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Dividend percentage 7.00%  
Preferred stock, par value (in dollars per share) $ 0.01  
Preferred stock, shares authorized (in shares) 100,000  
Issuance of redeemable noncontrolling interest (in shares) 81,000  
Shentel Broadband Holding Inc. | Series A Preferred Stock | Energy Capital Partners    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Purchase price (in dollars per share) $ 1,000  
Conversion price per share (in dollars per share) $ 24.50  
Issuance of redeemable noncontrolling interest (in shares) 81,000  
Horizon Transaction    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Business acquisition, percentage of voting interests acquired 100.00%  
Equity interest issued (in shares) 4,100,375  
Cash consideration $ 349.4  
Lockup period 1 year  
Horizon Transaction | Other Sellers and Certain Third Parties    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Cash consideration $ 305.0