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Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Property, plant and equipment [Abstract]    
Total property, plant and equipment $ 1,386,706 $ 1,156,318
Less: accumulated depreciation and amortization (507,207) (468,765)
Property, plant and equipment, net 879,499 687,553
Land    
Property, plant and equipment [Abstract]    
Total property, plant and equipment $ 3,692 3,722
Land improvements    
Property, plant and equipment [Abstract]    
Estimated useful lives 10 years  
Total property, plant and equipment $ 4,448 3,483
Buildings and structures    
Property, plant and equipment [Abstract]    
Total property, plant and equipment $ 95,436 93,461
Buildings and structures | Minimum    
Property, plant and equipment [Abstract]    
Estimated useful lives 10 years  
Buildings and structures | Maximum    
Property, plant and equipment [Abstract]    
Estimated useful lives 45 years  
Cable and fiber    
Property, plant and equipment [Abstract]    
Total property, plant and equipment $ 799,612 593,771
Cable and fiber | Minimum    
Property, plant and equipment [Abstract]    
Estimated useful lives 15 years  
Cable and fiber | Maximum    
Property, plant and equipment [Abstract]    
Estimated useful lives 30 years  
Equipment and software    
Property, plant and equipment [Abstract]    
Total property, plant and equipment $ 337,808 317,347
Equipment and software | Minimum    
Property, plant and equipment [Abstract]    
Estimated useful lives 4 years  
Equipment and software | Maximum    
Property, plant and equipment [Abstract]    
Estimated useful lives 8 years  
Plant in service    
Property, plant and equipment [Abstract]    
Total property, plant and equipment $ 1,240,996 1,011,784
Plant under construction    
Property, plant and equipment [Abstract]    
Total property, plant and equipment $ 145,710 $ 144,534