Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ 12,327	$ (34,459)
Other comprehensive (loss) income, net of tax:
Foreign currency translation gains (losses)	46	(380)
Unrealized (losses) gains on investment activity	(3,102)	2,723
Comprehensive income (loss)	9,271	(32,116)
Comprehensive income attributable to non-controlling interests:
Net income	2,424	6,721
Comprehensive income (loss) attributable to MasTec, Inc.	$ 6,847	$ (38,837)