Property, Plant and Equipment

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following:

 

($ in thousands)	Estimated Useful Lives	December 31, 2019		December 31, 2018
Land		$	6,976	$	6,723
Buildings and structures	10 - 40 years	232,730		213,657
Cable and fiber	15 - 40 years	334,260		309,928
Equipment and software	3 - 20 years	867,898		791,401
Plant in service		1,441,864		1,321,709
Plant under construction		56,827		81,409
Total property, plant and equipment		1,498,691		1,403,118
Less: accumulated amortization and depreciation		798,577		701,759
Property, plant and equipment, net		$	700,114	$	701,359

The Company prospectively changed the estimated useful life of certain towers, antenna, and fiber assets during 2019 based on the Company's experience as well as observable examples in the industry. Depreciation expense was approximately $3.0 million lower as a result for the year ended December 31, 2019.