Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenue	$ 1,954,400	$ 1,775,424
Costs of revenue, excluding depreciation and amortization	1,733,316	1,513,859
Depreciation	85,194	79,264
Amortization of intangible assets	25,589	11,247
General and administrative expenses	145,390	70,591
Interest expense, net	16,041	12,459
Equity in earnings of unconsolidated affiliates, net	(6,777)	(7,346)
Other expense (income), net	3,754	(79)
(Loss) income before income taxes	(48,107)	95,429
Benefit from (provision for) income taxes	13,148	(29,317)
Net (loss) income	(34,959)	66,112
Net income attributable to non-controlling interests	19	463
Net (loss) income attributable to MasTec, Inc.	$ (34,978)	$ 65,649
(Loss) earnings per share (Note 2):
Basic (loss) per share (in dollars per share)	$ (0.47)	$ 0.91
Basic weighted average common shares outstanding (in shares)	74,789	72,439
Diluted (loss) per share (in dollars per share)	$ (0.47)	$ 0.89
Diluted weighted average common shares outstanding (in shares)	74,789	73,846