Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenue	$ 1,416,604	$ 1,518,340
Costs of revenue, excluding depreciation and amortization	1,226,297	1,312,048
Depreciation	53,089	54,226
Amortization of intangible assets	7,391	4,805
General and administrative expenses	85,514	72,616
Interest expense, net	17,004	22,258
Equity in earnings of unconsolidated affiliates	(7,834)	(6,260)
Other (income) expense, net	(1,342)	3,507
Income before income taxes	36,485	55,140
Provision for income taxes	(423)	(12,033)
Net income	36,062	43,107
Net loss attributable to non-controlling interests	(168)	(5)
Net income attributable to MasTec, Inc.	$ 36,230	$ 43,112
Earnings per share (Note 2):
Basic earnings per share (in dollars per share)	$ 0.48	$ 0.57
Basic weighted average common shares outstanding	74,738	74,991
Diluted earnings per share (in dollars per share)	$ 0.48	$ 0.57
Diluted weighted average common shares outstanding	75,413	75,578