Segments and Related Information - Schedule of Financial Information by Reportable Segment - Capital Expenditures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Capital Expenditures:
Consolidated capital expenditures	$ 148,855	$ 192,941	$ 263,352
Reportable Segments | Communications
Capital Expenditures:
Consolidated capital expenditures	21,700	29,500	87,100
Reportable Segments | Clean Energy and Infrastructure
Capital Expenditures:
Consolidated capital expenditures	27,000	30,900	35,800
Reportable Segments | Power Delivery
Capital Expenditures:
Consolidated capital expenditures	67,800	50,800	83,400
Reportable Segments | Pipeline Infrastructure
Capital Expenditures:
Consolidated capital expenditures	27,500	76,000	49,000
Reportable Segments | Other
Capital Expenditures:
Consolidated capital expenditures	0	0	0
Corporate
Capital Expenditures:
Consolidated capital expenditures	$ 4,900	$ 5,700	$ 8,000