CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 33,888	$ 330,729	$ 322,699
Other comprehensive income (loss):
Foreign currency translation (losses) gains, net of tax	(3,089)	258	1,413
Unrealized gains (losses) on investment activity, net of tax	30,910	12,410	(17,151)
Comprehensive income	61,709	343,397	306,961
Comprehensive income (loss) attributable to non-controlling interests	534	1,898	(149)
Comprehensive income attributable to MasTec, Inc.	$ 61,175	$ 341,499	$ 307,110