Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 49,222	$ 112,457	$ 30,518	$ 254,334
Other comprehensive income (loss):
Foreign currency translation losses, net of tax	(3,382)	(1,278)	(4,212)	(64)
Unrealized gains (losses) on investment activity, net of tax	10,070	(1,041)	31,667	9,333
Comprehensive income	55,910	110,138	57,973	263,603
Comprehensive income attributable to non-controlling interests	326	1,370	388	2,147
Comprehensive income attributable to MasTec, Inc.	$ 55,584	$ 108,768	$ 57,585	$ 261,456