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Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 2,370,202 $ 2,240,427
Less: accumulated depreciation and amortization (698,736) (638,818)
Property, plant and equipment, net 1,671,466 1,601,609
Total plant in service    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment 2,193,819 2,059,367
Land    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 4,181 4,498
Land improvements    
Property, Plant, and Equipment [Line Items]    
Estimated Useful Lives 10 years  
Total property, plant and equipment $ 3,538 3,699
Buildings and structures    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 54,209 54,562
Buildings and structures | Minimum    
Property, Plant, and Equipment [Line Items]    
Estimated Useful Lives 10 years  
Buildings and structures | Maximum    
Property, Plant, and Equipment [Line Items]    
Estimated Useful Lives 45 years  
Cable and fiber    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 1,634,272 1,519,669
Cable and fiber | Minimum    
Property, Plant, and Equipment [Line Items]    
Estimated Useful Lives 12 years  
Cable and fiber | Maximum    
Property, Plant, and Equipment [Line Items]    
Estimated Useful Lives 30 years  
Equipment and software    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 497,619 476,939
Equipment and software | Minimum    
Property, Plant, and Equipment [Line Items]    
Estimated Useful Lives 4 years  
Equipment and software | Maximum    
Property, Plant, and Equipment [Line Items]    
Estimated Useful Lives 12 years  
Plant under construction    
Property, Plant, and Equipment [Line Items]    
Total property, plant and equipment $ 176,383 $ 181,060