Segments and Related Information - Schedule of Financial Information by Reportable Segment - EBITDA (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
EBITDA:
Consolidated EBITDA	$ 906,300	$ 782,500	$ 823,400
Loss on extinguishment of debt	0	(5,569)	0
4.875% Senior Notes | Senior Notes
EBITDA:
Loss on extinguishment of debt		(5,600)
Reportable Segments | Communications
EBITDA:
Consolidated EBITDA	269,500	270,100	208,800
Reportable Segments | Clean Energy and Infrastructure
EBITDA:
Consolidated EBITDA	75,000	80,400	40,100
Reportable Segments | Oil and Gas
EBITDA:
Consolidated EBITDA	557,600	510,900	634,200
Reportable Segments | Power Delivery
EBITDA:
Consolidated EBITDA	68,000	14,900	29,500
Reportable Segments | Other
EBITDA:
Consolidated EBITDA	33,800	30,700	26,500
Corporate
EBITDA:
Consolidated EBITDA	$ (97,500)	$ (124,500)	$ (115,700)