Note 8 - Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

	2019			2018			Useful Lives
Land, buildings and support assets*	$	204,834		$	197,381			5	-	42
Central office switching and transmission		396,565			387,008			5	-	12
Outside plant, cable and wire facilities		765,640			750,492			10	-	50
Other		25,423			17,126				5
Construction work in progress		32,442			38,615
		1,424,904			1,390,622
Less: accumulated depreciation and amortization		(1,042,546	)		(1,017,442	)
Property, plant and equipment, net	$	382,358		$	373,180