Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 16,754	$ 16,255	$ (63,792)	$ (18,704)
Other comprehensive income:
Foreign currency translation gains (losses), net of tax	1,007	(1,743)	1,679	(830)
Unrealized gains on investment activity, net of tax	4,576	7,843	399	21,597
Comprehensive income (loss)	22,337	22,355	(61,714)	2,063
Comprehensive income attributable to non-controlling interests	1,212	43	1,206	62
Comprehensive income (loss) attributable to MasTec, Inc.	$ 21,125	$ 22,312	$ (62,920)	$ 2,001