Property, Plant and Equipment

3 Months Ended

Mar. 31, 2022

Property Plant And Equipment [Abstract]

Property, Plant and Equipment

Note 7. Property, Plant and Equipment

The carrying value of property, plant and equipment is as follows:

(Thousands)	Depreciable Lives			March 31, 2022			December 31, 2021
Land	Indefinite			$	28,683		$	28,449
Building and improvements	3 - 40 years				360,572			359,980
Poles	30 years				285,474			281,130
Fiber	30 years				4,164,962			4,107,519
Equipment	5 - 7 years				348,114			331,761
Copper	20 years				3,933,940			3,918,281
Conduit	30 years				89,859			89,859
Tower assets	20 years				8,544			8,544
Finance lease assets		(1	)		72,284			72,284
Other assets	15 - 20 years				10,578			10,652
Corporate assets	3 - 7 years				14,581			14,326
Construction in progress		(1	)		32,873			27,366
					9,350,464			9,250,151
Less accumulated depreciation					(5,803,963	)		(5,741,212	)
Net property, plant and equipment				$	3,546,501		$	3,508,939
(1) See our Annual Report for property, plant and equipment accounting policies.

Depreciation expense for the three months ended March 31, 2022 and 2021 was $64.0 million and $66.2 million, respectively.