Segments and Related Information - Schedule of Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Segments and Related Information [Line Items]
Consolidated revenue	$ 2,584,659	$ 1,954,400
Segment EBITDA	127,100	125,700
Consolidated depreciation and amortization	149,200	$ 110,800
Consolidated assets	$ 9,055,336		$ 9,293,259
Communications | Customer Concentration Risk | Revenue | Utilities
Segments and Related Information [Line Items]
Concentration risk, percentage of total	23.70%	25.60%
Reportable Segments | Communications
Segments and Related Information [Line Items]
Consolidated revenue	$ 806,600	$ 664,200
Segment EBITDA	52,800	40,300
Consolidated depreciation and amortization	34,600	29,000
Consolidated assets	2,504,600		2,378,600
Reportable Segments | Clean Energy and Infrastructure
Segments and Related Information [Line Items]
Consolidated revenue	824,900	435,900
Segment EBITDA	5,300	10,900
Consolidated depreciation and amortization	38,400	11,400
Consolidated assets	2,665,200		2,979,900
Reportable Segments | Oil and Gas
Segments and Related Information [Line Items]
Consolidated revenue	256,500	211,000
Segment EBITDA	14,500	21,500
Consolidated depreciation and amortization	34,300	31,600
Consolidated assets	1,567,000		1,544,200
Reportable Segments | Power Delivery
Segments and Related Information [Line Items]
Consolidated revenue	709,400	650,500
Segment EBITDA	47,400	46,100
Consolidated depreciation and amortization	39,300	35,700
Consolidated assets	1,901,200		1,967,900
Reportable Segments | Other
Segments and Related Information [Line Items]
Consolidated revenue	0	0
Segment EBITDA	7,100	6,900
Consolidated depreciation and amortization	0	0
Consolidated assets	295,400		297,300
Eliminations
Segments and Related Information [Line Items]
Consolidated revenue	(12,700)	(7,200)
Corporate
Segments and Related Information [Line Items]
Consolidated depreciation and amortization	2,600	$ 3,100
Consolidated assets	$ 121,900		$ 125,400