Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Disaggregation

In the following table, 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 18.

Year ended December 31, 2023	Electric		Natural gas distribution		Pipeline		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	136,274	$	724,600	$	—	$	—	$	—	$	860,874
Commercial utility sales	170,321		442,507		—		—		—		612,828
Industrial utility sales	43,063		45,205		—		—		—		88,268
Other utility sales	7,270		—		—		—		—		7,270
Natural gas transportation	—		52,465		145,297		—		—		197,762
Natural gas storage	—		—		18,254		—		—		18,254
Electrical & mechanical specialty contracting	—		—		—		2,125,536		—		2,125,536
Transmission & distribution specialty contracting	—		—		—		683,342		—		683,342
Other	54,508		15,141		13,874		173		7,941		91,637
Intersegment eliminations	(274)		(416)		(62,540)		(143)		(7,941)		(71,314)
Revenues from contracts with customers	411,162		1,279,502		114,885		2,808,908		—		4,614,457
Other revenues	(10,261)		7,619		187		45,338		—		42,883
Total external operating revenues	$	400,901	$	1,287,121	$	115,072	$	2,854,246	$	—	$	4,657,340

Year ended December 31, 2022	Electric		Natural gas distribution		Pipeline		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	138,634	$	718,191	$	—	$	—	$	—	$	856,825
Commercial utility sales	146,182		453,802		—		—		—		599,984
Industrial utility sales	43,766		41,710		—		—		—		85,476
Other utility sales	7,597		—		—		—		—		7,597
Natural gas transportation	—		48,886		129,290		—		—		178,176
Natural gas storage	—		—		14,583		—		—		14,583
Electrical & mechanical specialty contracting	—		—		—		1,988,729		—		1,988,729
Transmission & distribution specialty contracting	—		—		—		662,705		—		662,705
Other	45,608		13,617		11,450		436		5,840		76,951
Intersegment eliminations	(137)		(274)		(58,884)		(4,627)		(5,840)		(69,762)
Revenues from contracts with customers	381,650		1,275,932		96,439		2,647,243		—		4,401,264
Other revenues	(4,714)		(2,402)		256		47,380		—		40,520
Total external operating revenues	$	376,936	$	1,273,530	$	96,695	$	2,694,623	$	—	$	4,441,784

Year ended December 31, 2021	Electric		Natural gas distribution		Pipeline		Construction services		Other		Total
	(In thousands)
Residential utility sales	$	126,841	$	544,721	$	—	$	—	$	—	$	671,562
Commercial utility sales	137,556		328,285		—		—		—		465,841
Industrial utility sales	41,757		30,964		—		—		—		72,721
Other utility sales	7,051		—		—		—		—		7,051
Natural gas transportation	—		48,408		114,001		—		—		162,409
Natural gas storage	—		—		14,680		—		—		14,680
Electrical & mechanical specialty contracting	—		—		—		1,324,419		—		1,324,419
Transmission & distribution specialty contracting	—		—		—		677,074		—		677,074
Other	42,902		10,567		13,667		557		4,606		72,299
Intersegment eliminations	(170)		(300)		(59,470)		(1,403)		(4,522)		(65,865)
Revenues from contracts with customers	355,937		962,645		82,878		2,000,647		84		3,402,191
Other revenues	(6,525)		8,995		188		49,587		—		52,245
Total external operating revenues	$	349,412	$	971,640	$	83,066	$	2,050,234	$	84	$	3,454,436

Contract with Customer, Contract Asset, Contract Liability, and Receivable

The changes in contract assets and liabilities were as follows:

	December 31, 2023		December 31, 2022		Change		Location on Consolidated Balance Sheets
	(In thousands)
Contract assets	$	158,861	$	154,144	$	4,717	Receivables, net
Contract liabilities - current	(202,144)		(168,361)		(33,783)		Accounts payable
Contract liabilities - noncurrent	(291)		(6)		(285)		Noncurrent liabilities - other
Net contract liabilities	$	(43,574)	$	(14,223)	$	(29,351)

	December 31, 2022		December 31, 2021		Change		Location on Consolidated Balance Sheets
	(In thousands)
Contract assets	$	154,144	$	103,737	$	50,407	Receivables, net
Contract liabilities - current	(168,361)		(146,792)		(21,569)		Accounts payable
Contract liabilities - noncurrent	(6)		(118)		112		Noncurrent liabilities - other
Net contract liabilities	$	(14,223)	$	(43,173)	$	28,950