Segments and Related Information - Schedule of Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Segments and Related Information [Line Items]
Consolidated revenue	$ 2,686,849	$ 2,584,659
Segment EBITDA	196,300	127,100
Consolidated depreciation and amortization	141,100	$ 149,200
Consolidated assets	$ 8,745,353		$ 9,373,511
Communications | Customer Concentration Risk | Revenue | Utilities
Segments and Related Information [Line Items]
Concentration risk, percentage of total	27.70%	23.70%
Reportable Segments | Communications
Segments and Related Information [Line Items]
Consolidated revenue	$ 732,900	$ 806,600
Segment EBITDA	48,800	52,800
Consolidated depreciation and amortization	33,500	34,600
Consolidated assets	2,169,500		2,332,200
Reportable Segments | Clean Energy and Infrastructure
Segments and Related Information [Line Items]
Consolidated revenue	753,500	824,900
Segment EBITDA	20,400	5,300
Consolidated depreciation and amortization	32,300	38,400
Consolidated assets	2,587,500		2,978,800
Reportable Segments | Power Delivery
Segments and Related Information [Line Items]
Consolidated revenue	571,000	709,400
Segment EBITDA	27,400	47,400
Consolidated depreciation and amortization	34,200	39,300
Consolidated assets	1,749,600		1,837,100
Reportable Segments | Oil and Gas
Segments and Related Information [Line Items]
Consolidated revenue	633,800	256,500
Segment EBITDA	92,800	14,500
Consolidated depreciation and amortization	38,700	34,300
Consolidated assets	1,761,000		1,758,000
Reportable Segments | Other
Segments and Related Information [Line Items]
Consolidated revenue	0	0
Segment EBITDA	6,900	7,100
Consolidated depreciation and amortization	0	0
Consolidated assets	312,400		305,000
Eliminations
Segments and Related Information [Line Items]
Consolidated revenue	(4,400)	(12,700)
Corporate
Segments and Related Information [Line Items]
Consolidated depreciation and amortization	2,400	$ 2,600
Consolidated assets	$ 165,400		$ 162,400