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Segments and Related Information - Schedule of Financial Information by Reportable Segment - Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Assets:
Consolidated assets	$ 9,923,542	$ 8,975,275	$ 9,373,500
Reportable Segments | Communications
Assets:
Consolidated assets	1,962,300	1,673,800	1,729,100
Reportable Segments | Clean Energy and Infrastructure
Assets:
Consolidated assets	2,816,600	2,706,400	2,978,800
Reportable Segments | Power Delivery
Assets:
Consolidated assets	2,621,600	2,489,900	2,440,200
Reportable Segments | Pipeline Infrastructure
Assets:
Consolidated assets	1,928,700	1,599,700	1,758,000
Reportable Segments | Other
Assets:
Consolidated assets	364,000	318,200	305,000
Corporate
Assets:
Consolidated assets	$ 230,300	$ 187,300	$ 162,400

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