Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (80,546)	$ (34,959)
Other comprehensive (loss) income:
Foreign currency translation gains, net of tax	672	913
Unrealized (losses) gains on investment activity, net of tax	(4,177)	13,754
Comprehensive loss	(84,051)	(20,292)
Comprehensive (loss) income attributable to non-controlling interests	(6)	19
Comprehensive loss attributable to MasTec, Inc.	$ (84,045)	$ (20,311)