Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 15,305	$ 49,222	$ (48,487)	$ 30,518
Other comprehensive income:
Foreign currency translation (losses) gains, net of tax	(863)	(3,382)	816	(4,212)
Unrealized gains on investment activity, net of tax	3,649	10,070	4,048	31,667
Comprehensive income (loss)	18,091	55,910	(43,623)	57,973
Comprehensive income attributable to non-controlling interests	1,009	326	2,215	388
Comprehensive income (loss) attributable to MasTec, Inc.	$ 17,082	$ 55,584	$ (45,838)	$ 57,585