Segments and Related Information - Schedule of Financial Information by Reportable Segment - Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Capital Expenditures:
Consolidated capital expenditures	$ 63,800	$ 31,500	$ 111,076	$ 56,907
Operating Segments \| Communications
Capital Expenditures:
Consolidated capital expenditures	9,100	5,300	16,200	8,700
Operating Segments \| Clean Energy and Infrastructure
Capital Expenditures:
Consolidated capital expenditures	11,400	7,600	19,300	12,900
Operating Segments \| Power Delivery
Capital Expenditures:
Consolidated capital expenditures	19,700	10,300	40,900	18,100
Operating Segments \| Pipeline Infrastructure
Capital Expenditures:
Consolidated capital expenditures	21,600	7,300	31,600	14,400
Operating Segments \| Other
Capital Expenditures:
Consolidated capital expenditures	0	0	0	0
Corporate
Capital Expenditures:
Consolidated capital expenditures	$ 2,000	$ 1,000	$ 3,100	$ 2,800