Revenue from contracts with customers (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

In the following tables, revenue is disaggregated by the type of customer or service provided. The Company believes this level of disaggregation best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The table also includes a reconciliation of the disaggregated revenue by reportable segments. For more information on the Company's business segments, see Note 17.


Three Months Ended March 31, 2022	Electric		Natural gas distribution		Pipeline		Construction materials and contracting		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	37,304	$	258,816	$	—	$	—	$	—	$	—	$	296,120
Commercial utility sales	35,600		163,609		—		—		—		—		199,209
Industrial utility sales	10,306		13,024		—		—		—		—		23,330
Other utility sales	1,750		—		—		—		—		—		1,750
Natural gas transportation	—		12,381		31,574		—		—		—		43,955
Natural gas storage	—		—		3,719		—		—		—		3,719
Contracting services	—		—		—		114,267		—		—		114,267
Construction materials	—		—		—		241,732		—		—		241,732
Intrasegment eliminations	—		—		—		(46,033)		—		—		(46,033)
Electrical & mechanical specialty contracting	—		—		—		—		392,808		—		392,808
Transmission & distribution specialty contracting	—		—		—		—		148,466		—		148,466
Other	12,753		2,609		1,709		—		48		4,341		21,460
Intersegment eliminations	(124)		(136)		(25,940)		(130)		(1,059)		(4,341)		(31,730)
Revenues from contracts with customers	97,589		450,303		11,062		309,836		540,263		—		1,409,053
Revenues out of scope	(3,995)		115		58		—		11,328		—		7,506
Total external operating revenues	$	93,594	$	450,418	$	11,120	$	309,836	$	551,591	$	—	$	1,416,559


Three Months Ended March 31, 2021	Electric		Natural gas distribution		Pipeline		Construction materials and contracting		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	33,436	$	203,137	$	—	$	—	$	—	$	—	$	236,573
Commercial utility sales	32,928		120,052		—		—		—		—		152,980
Industrial utility sales	10,029		8,812		—		—		—		—		18,841
Other utility sales	1,566		—		—		—		—		—		1,566
Natural gas transportation	—		12,452		29,417		—		—		—		41,869
Natural gas storage	—		—		4,029		—		—		—		4,029
Contracting services	—		—		—		96,025		—		—		96,025
Construction materials	—		—		—		216,412		—		—		216,412
Intrasegment eliminations	—		—		—		(46,716)		—		—		(46,716)
Electrical & mechanical specialty contracting	—		—		—		—		355,190		—		355,190
Transmission & distribution specialty contracting	—		—		—		—		151,363		—		151,363
Other	9,773		3,009		2,660		—		36		3,341		18,819
Intersegment eliminations	(136)		(142)		(26,229)		(62)		(1,042)		(3,324)		(30,935)
Revenues from contracts with customers	87,596		347,320		9,877		265,659		505,547		17		1,216,016
Revenues out of scope	(2,923)		2,886		36		—		11,923		—		11,922
Total external operating revenues	$	84,673	$	350,206	$	9,913	$	265,659	$	517,470	$	17	$	1,227,938

Contract balances

The changes in contract assets and liabilities were as follows:


	March 31, 2022		December 31, 2021		Change		Location on Consolidated Balance Sheets
	(In thousands)
Contract assets	$	164,622	$	125,742	$	38,880	Receivables, net
Contract liabilities - current	(154,136)		(179,140)		25,004		Accounts payable
Contract liabilities - noncurrent	(40)		(118)		78		Noncurrent liabilities - other
Net contract assets (liabilities)	$	10,446	$	(53,516)	$	63,962