Property, Plant and Equipment - Schedule of Carrying Value of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 10,681,162	$ 10,201,409
Less accumulated depreciation	(6,471,415)	(6,219,340)
Property, plant and equipment, net	4,209,747	3,982,069
Land
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	30,577	30,099
Building and improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 374,668	366,490
Building and improvements | Minimum
Property Plant And Equipment [Line Items]
Depreciable Lives	3 years
Building and improvements | Maximum
Property Plant And Equipment [Line Items]
Depreciable Lives	40 years
Poles
Property Plant And Equipment [Line Items]
Depreciable Lives	30 years
Property, plant and equipment, gross	$ 341,548	314,489
Fiber
Property Plant And Equipment [Line Items]
Depreciable Lives	30 years
Property, plant and equipment, gross	$ 5,253,959	4,835,623
Fiber | Windstream
Property Plant And Equipment [Line Items]
Depreciable Lives	20 years
Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 499,678	460,463
Equipment | Minimum
Property Plant And Equipment [Line Items]
Depreciable Lives	5 years
Equipment | Maximum
Property Plant And Equipment [Line Items]
Depreciable Lives	7 years
Copper
Property Plant And Equipment [Line Items]
Depreciable Lives	20 years
Property, plant and equipment, gross	$ 3,972,806	3,974,410
Conduit
Property Plant And Equipment [Line Items]
Depreciable Lives	30 years
Property, plant and equipment, gross	$ 90,193	90,087
Tower assets
Property Plant And Equipment [Line Items]
Depreciable Lives	20 years
Property, plant and equipment, gross	$ 1,221	1,221
Finance lease assets
Property Plant And Equipment [Line Items]
Finance lease assets	52,789	52,589
Other assets
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 10,450	10,436
Other assets | Minimum
Property Plant And Equipment [Line Items]
Depreciable Lives	15 years
Other assets | Maximum
Property Plant And Equipment [Line Items]
Depreciable Lives	20 years
Construction in progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 36,774	49,771
Corporate assets
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 16,499	$ 15,731
Corporate assets | Minimum
Property Plant And Equipment [Line Items]
Depreciable Lives	3 years
Corporate assets | Maximum
Property Plant And Equipment [Line Items]
Depreciable Lives	7 years