Mergers and Acquisitions - Narratives (Details)				3 Months Ended				4 Months Ended	8 Months Ended	12 Months Ended
	May 02, 2022 USD ($)	Sep. 07, 2021 USD ($) $ / shares	Aug. 31, 2021 USD ($) mi	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Sep. 07, 2021 USD ($) $ / shares	Dec. 31, 2022 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Transaction and integration costs								$ 800,000	$ 54,800,000	$ 11,300,000	$ 35,000,000.0
Loss on extinguishment of debt						$ 2,100,000		2,100,000	$ 10,700,000	0	0
Restricted cash included in Other noncurrent assets				$ 3,500,000		500,000		500,000		3,500,000	5,000,000.0
Red Fiber Parent L L C
Business Acquisition [Line Items]
Business combination cash payments		$ 3,100,000,000
Debt assumed		$ 1,357,100,000
Business Acquisition, Share Price | $ / shares		$ 15.50							$ 15.50
Preferred stock redemption percentage		6.75%
Preferred stock redemption price per Depositary Share | $ / shares		$ 50							$ 50
Preferred stock redemption preference per redemption percentage		$ 1,000							$ 1,000
Preferred Stock, Dividend Rate, Percentage		6.75%
Cincinnati Bell Inc. [Member]
Business Acquisition [Line Items]
Business Acquisition, Share Price | $ / shares		$ 15.50							$ 15.50
Increase to deferred income tax liability					$ 4,300,000
Transaction and integration costs		$ 44,000,000.0						800,000	$ 54,600,000	1,200,000	$ 9,800,000
Severance Costs									2,900,000
Transaction-related bonuses									5,300,000
Loss on extinguishment of debt									10,700,000
Aggregate purchase price		1,620,700,000
Current portion of long-term debt		11,800,000							11,800,000
Long-term debt, less current portion		1,378,000,000.0							1,378,000,000.0
Cincinnati Bell Inc. [Member] | SG&A [Member]
Business Acquisition [Line Items]
Incremental stock-based compensation expense		$ 9,300,000							9,300,000
Brookfield Infrastructure Group
Business Acquisition [Line Items]
Termination fee							$ 24,800,000
Paniolo Acquisition [Member]
Business Acquisition [Line Items]
Business combination cash payments			$ 29,300,000
Aggregate purchase price			52,300,000
Business combination committed purchase money financing			$ 23,000,000.0
Current portion of long-term debt				500,000		500,000		500,000		500,000
Long-term debt, less current portion				21,800,000		$ 22,300,000		22,300,000		21,800,000
Paniolo Acquisition [Member] | Minimum [Member]
Business Acquisition [Line Items]
Fiber route miles | mi			400
Agile IWG Holdings, LLC [Member]
Business Acquisition [Line Items]
Business combination cash payments	$ 65,500,000
Increase to deferred income tax liability				$ 4,400,000
Transaction and integration costs								$ 0	$ 0	$ 2,100,000
Aggregate purchase price					65,500,000
Addition to working capital adjustment					$ 400,000