Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (34,459)	$ (80,546)
Other comprehensive income (loss):
Foreign currency translation (losses) gains, net of tax	(380)	672
Unrealized gains (losses) on investment activity, net of tax	2,723	(4,177)
Comprehensive loss	(32,116)	(84,051)
Comprehensive income (loss) attributable to non-controlling interests	6,721	(6)
Comprehensive loss attributable to MasTec, Inc.	$ (38,837)	$ (84,045)