CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Loss	Total MasTec, Inc. Shareholders’ Equity	Non-Controlling Interests
Beginning balance, common shares outstanding (in shares) at Dec. 31, 2019		91,909,430
Beginning balance at Dec. 31, 2019	$ 1,791,691	$ 9,191	$ (466,727)	$ 809,753	$ 1,510,709	$ (75,706)	$ 1,787,220	$ 4,471
Beginning balance, treasury shares (in shares) at Dec. 31, 2019			(15,344,917)
Consolidated Statements of Equity
Net income (loss)	322,699				322,848		322,848	(149)
Other comprehensive income (loss)	(15,738)					(15,738)	(15,738)
Non-cash stock-based compensation	21,875			21,875			21,875
Issuance (forfeiture) of restricted shares, net (in shares)		993,893
Issuance (forfeiture) of restricted shares, net	0	$ 99		(99)
Other stock issuances (shares withheld for taxes), net (in shares)		(204,117)
Other stock issuances (shares withheld for taxes), net	$ 5,945	$ 21		5,924			5,945
Acquisition of treasury stock, at cost (in shares)	(3,600,000)		(3,597,009)
Acquisition of treasury stock, at cost	$ (120,228)		$ (120,228)				(120,228)
Distributions to non-controlling interests	(719)							(719)
Ending balance, common shares outstanding (in shares) at Dec. 31, 2020		93,107,440
Ending balance at Dec. 31, 2020	2,005,525	$ 9,311	$ (586,955)	837,453	1,833,557	(91,444)	2,001,922	3,603
Ending balance, treasury shares (in shares) at Dec. 31, 2020			(18,941,926)
Consolidated Statements of Equity
Net income (loss)	330,729				328,831		328,831	1,898
Other comprehensive income (loss)	12,668					12,668	12,668
Non-cash stock-based compensation	24,805			24,805			24,805
Issuance (forfeiture) of restricted shares, net (in shares)		305,882
Issuance (forfeiture) of restricted shares, net	0	$ 31		(31)
Other stock issuances (shares withheld for taxes), net (in shares)		(17,343)
Other stock issuances (shares withheld for taxes), net	$ (4,670)	$ (3)		(4,667)			(4,670)
Acquisition of treasury stock, at cost (in shares)	0
Issuance of shares in connection with acquisition (in shares)		1,975,232
Issuance of shares in connection with acquisitions	$ 181,682	$ 198		181,484			181,682
Distributions to non-controlling interests	(76)							(76)
Purchase of non-controlling interests	$ (6,802)			(5,429)			(5,429)	(1,373)
Ending balance, common shares outstanding (in shares) at Dec. 31, 2021	95,371,211	95,371,211
Ending balance at Dec. 31, 2021	$ 2,543,861	$ 9,537	$ (586,955)	1,033,615	2,162,388	(78,776)	2,539,809	4,052
Ending balance, treasury shares (in shares) at Dec. 31, 2021	(18,941,926)		(18,941,926)
Consolidated Statements of Equity
Net income (loss)	$ 33,888				33,354		33,354	534
Other comprehensive income (loss)	27,821					27,821	27,821
Non-cash stock-based compensation	27,446			27,446			27,446
Issuance (forfeiture) of restricted shares, net (in shares)		534,909
Issuance (forfeiture) of restricted shares, net	0	$ 53		(53)
Other stock issuances (shares withheld for taxes), net (in shares)		(49,418)
Other stock issuances (shares withheld for taxes), net	$ (2,867)	$ (5)		(2,862)			(2,867)
Acquisition of treasury stock, at cost (in shares)	(1,124,000)		(1,124,286)
Acquisition of treasury stock, at cost	$ (81,291)		$ (81,291)				(81,291)
Issuance of shares in connection with acquisition (in shares)		2,758,403	133,157
Issuance of shares in connection with acquisitions	193,057	$ 277	$ 4,336	188,444			193,057
Distributions to non-controlling interests	$ (728)							(728)
Ending balance, common shares outstanding (in shares) at Dec. 31, 2022	98,615,105	98,615,105
Ending balance at Dec. 31, 2022	$ 2,741,187	$ 9,862	$ (663,910)	$ 1,246,590	$ 2,195,742	$ (50,955)	$ 2,737,329	$ 3,858
Ending balance, treasury shares (in shares) at Dec. 31, 2022	(19,933,055)		(19,933,055)