v3.25.4
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]      
Land $ 44,257 $ 41,737  
Leasehold and land improvements 321,542 317,038  
Other operating assets and equipment 2,866 2,768  
System development 3,032 2,743  
Work in process 10,391 5,958  
Total property, plant and equipment, gross 1,079,006 1,037,645  
Accumulated depreciation and amortization (690,007) (653,624)  
Property, plant and equipment, net of accumulated depreciation and amortization of $690,007 and $653,624, respectively 388,999 384,021  
Depreciation and amortization expense 39,100 38,800 $ 41,700
Communications infrastructure assets $ 696,918 $ 667,401  
Leasehold and land improvements | Minimum      
Property, Plant and Equipment [Line Items]      
Useful life 1 year    
Leasehold and land improvements | Maximum      
Property, Plant and Equipment [Line Items]      
Useful life 30 years    
Communications infrastructure assets | Minimum      
Property, Plant and Equipment [Line Items]      
Useful life 7 years    
Communications infrastructure assets | Maximum      
Property, Plant and Equipment [Line Items]      
Useful life 30 years    
Other operating assets and equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Useful life 5 years    
Other operating assets and equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Useful life 8 years    
System development | Minimum      
Property, Plant and Equipment [Line Items]      
Useful life 3 years    
System development | Maximum      
Property, Plant and Equipment [Line Items]      
Useful life 5 years