Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Selected Financial Data for Segments

Three Months Ended March 31, 2019 

(in thousands)	Wireless		Cable		Wireline		Other			Eliminations			Consolidated
External revenue
Service revenue	$	97,075	$	29,705	$	5,485	$	—		$	—		$	132,265
Equipment revenue	15,291		270		51		—			—			15,612
Other	2,018		2,265		6,683		—			—			10,966
Total external revenue	114,384		32,240		12,219		—			—			158,843
Internal revenue	1,270		1,469		6,690		—			(9,429		)	—
Total operating revenue	115,654		33,709		18,909		—			(9,429		)	158,843
Operating expenses
Cost of services	33,478		15,647		9,151		—			(8,758		)	49,518
Cost of goods sold	14,427		175		36		—			(1		)	14,637
Selling, general and administrative	11,362		5,726		1,843		10,461			(670		)	28,722
Depreciation and amortization	31,050		6,458		3,533		138			—			41,179
Total operating expenses	90,317		28,006		14,563		10,599			(9,429		)	134,056
Operating income (loss)	$	25,337	$	5,703	$	4,346	$	(10,599	)	$	—		$	24,787

Three Months Ended March 31, 2018

(in thousands)	Wireless		Cable		Wireline		Other			Eliminations			Consolidated
External revenue
Service revenue	$	92,165	$	28,471	$	5,308	$	—		$	—		$	125,944
Equipment revenue	17,374		159		46		—			—			17,579
Other	2,026		2,050		6,539		—			—			10,615
Total external revenue	111,565		30,680		11,893		—			—			154,138
Internal revenue	1,239		1,031		7,814		—			(10,084		)	—
Total operating revenue	112,804		31,711		19,707		—			(10,084		)	154,138
Operating expenses
Cost of services	33,750		15,156		9,802		—			(9,366		)	49,342
Cost of goods sold	15,727		56		22		—			—			15,805
Selling, general and administrative	12,135		4,948		1,717		10,668			(718		)	28,750
Depreciation and amortization	33,925		6,024		3,394		144			—			43,487
Total operating expenses	95,537		26,184		14,935		10,812			(10,084		)	137,384
Operating income (loss)	$	17,267	$	5,527	$	4,772	$	(10,812	)	$	—		$	16,754

Reconciliation of Income (Loss) from Continuing Operations from Segments to Consolidated

A reconciliation of the total of the reportable segments’ operating income (loss) to consolidated income (loss) before taxes is as follows:

	Three Months Ended March 31,
(in thousands)	2019			2018
Total consolidated operating income (loss)	$	24,787		$	16,754
Interest expense	(7,954		)	(9,332		)
Gain (loss) on investments, net	250			(32		)
Non-operating income (loss), net	1,037			1,021
Income (loss) before income taxes	$	18,120		$	8,411