Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 105,410	$ 15,305	$ 114,719	$ (48,487)
Other comprehensive (loss) income:
Foreign currency translation (losses) gains, net of tax	(280)	(863)	(1,659)	816
Unrealized (losses) gains on investment activity, net of tax	(6,967)	3,649	(4,120)	4,048
Comprehensive income (loss)	98,163	18,091	108,940	(43,623)
Comprehensive income attributable to non-controlling interests	10,170	1,009	26,671	2,215
Comprehensive income (loss) attributable to MasTec, Inc.	$ 87,993	$ 17,082	$ 82,269	$ (45,838)