Segments and Related Information - Schedule of Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2022	Dec. 31, 2021
Revenue:
Consolidated revenue	$ 2,513,484	$ 2,404,332	$ 6,769,677	$ 6,142,414
Consolidated EBITDA	206,500	271,800	437,500	694,300
Consolidated depreciation and amortization	119,300	$ 118,700	344,700	$ 316,700
Consolidated segment assets	$ 7,475,663		$ 7,475,663			$ 7,121,393
Communications | Customer Concentration Risk | Revenue | Utilities
Revenue:
Utilities customers, percentage of communications segment revenue	21.80%	22.20%	23.70%	21.00%
Reportable Segments | Communications
Revenue:
Consolidated revenue	$ 888,900	$ 670,300	$ 2,375,100	$ 1,869,300
Consolidated EBITDA	109,900	71,600	234,500	193,100
Consolidated depreciation and amortization	32,500	26,400	92,100	72,000
Consolidated segment assets	2,436,600		2,436,600			2,100,900
Reportable Segments | Communications | Revision of Prior Period, Adjustment
Revenue:
Consolidated segment assets					$ 69,400
Reportable Segments | Clean Energy and Infrastructure
Revenue:
Consolidated revenue	563,200	518,400	1,493,500	1,350,300
Consolidated EBITDA	24,600	13,800	30,200	40,200
Consolidated depreciation and amortization	12,400	13,000	35,500	31,100
Consolidated segment assets	1,047,600		1,047,600			1,067,000
Reportable Segments | Oil and Gas
Revenue:
Consolidated revenue	375,800	858,400	927,900	2,205,300
Consolidated EBITDA	49,200	170,600	133,400	476,200
Consolidated depreciation and amortization	34,100	55,500	97,900	163,800
Consolidated segment assets	1,575,800		1,575,800			1,527,600
Reportable Segments | Oil and Gas | Revision of Prior Period, Adjustment
Revenue:
Consolidated segment assets					77,000
Reportable Segments | Power Delivery
Revenue:
Consolidated revenue	688,400	365,300	1,985,400	731,400
Consolidated EBITDA	63,100	34,900	150,600	47,800
Consolidated depreciation and amortization	37,700	21,100	110,100	41,300
Consolidated segment assets	2,033,400		2,033,400			2,017,200
Reportable Segments | Power Delivery | Revision of Prior Period, Adjustment
Revenue:
Consolidated segment assets					(192,200)
Reportable Segments | Other
Revenue:
Consolidated revenue	0	0	0	0
Consolidated EBITDA	5,600	7,500	20,000	23,300
Consolidated depreciation and amortization	0	0	0	0
Consolidated segment assets	287,400		287,400			238,100
Eliminations
Revenue:
Consolidated revenue	(2,800)	(8,100)	(12,200)	(13,900)
Corporate
Revenue:
Consolidated EBITDA	(45,900)	(26,600)	(131,200)	(86,300)
Consolidated depreciation and amortization	2,600	$ 2,700	9,100	$ 8,500
Consolidated segment assets	$ 94,900		$ 94,900			$ 170,600
Corporate | Revision of Prior Period, Adjustment
Revenue:
Consolidated segment assets					$ 45,800