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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consisted of the following:
 
($ in thousands)Estimated Useful LivesSeptember 30,
2021
December 31,
2020
Land$3,771 $3,909 
Land improvements
10 years
3,141 2,910 
Buildings and structures
10 - 40 years
94,539 91,335 
Cable and fiber
15 - 30 years
428,055 390,209 
Equipment and software
4 - 8 years
374,019 331,047 
Plant in service 903,525 819,410 
Plant under construction 84,731 49,417 
Total property, plant and equipment 988,256 868,827 
Less: accumulated amortization and depreciation462,457 428,400 
Property, plant and equipment, net $525,799 $440,427