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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consisted of the following:
($ in thousands)Estimated Useful LivesSeptember 30,
2020
December 31,
2019
Land$6,806 $6,297 
Buildings and structures10-40years88,996 85,835 
Cable and fiber15-30years368,144 334,260 
Equipment and software3-20years314,859 278,873 
Plant in service 778,805 705,265 
Plant under construction 54,678 31,226 
Total property, plant and equipment 833,483 736,491 
Less: accumulated amortization and depreciation419,881 373,404 
Property, plant and equipment, net $413,602 $363,087