CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Total MasTec, Inc. Shareholders’ Equity	Common Stock	Treasury Stock	Capital Surplus	Retained Earnings	Accumulated Other Comprehensive Loss	Non-Controlling Interests
Beginning balance, common shares outstanding (in shares) at Dec. 31, 2021			95,371,211
Beginning balance at Dec. 31, 2021	$ 2,543,861	$ 2,539,809	$ 9,537	$ (586,955)	$ 1,033,615	$ 2,162,388	$ (78,776)	$ 4,052
Beginning balance, treasury shares (in shares) at Dec. 31, 2021				(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 of restricted shares, net (in shares)			534,909
Issuance of restricted shares, net	0	0	$ 53		(53)
Shares withheld for taxes, net of other stock issuances (in shares)			(49,418)
Shares withheld for taxes, net of other stock issuances	(2,867)	(2,867)	$ (5)		(2,862)
Issuance of shares in connection with acquisition (in shares)			2,758,403	133,157
Issuance of shares in connection with acquisition	$ 193,057	193,057	$ 277	$ 4,336	188,444
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)
Distributions to non-controlling interests	(728)							(728)
Ending balance, common shares outstanding (in shares) at Dec. 31, 2022			98,615,105
Ending balance at Dec. 31, 2022	2,741,187	2,737,329	$ 9,862	$ (663,910)	1,246,590	2,195,742	(50,955)	3,858
Ending balance, treasury shares (in shares) at Dec. 31, 2022				(19,933,055)
Consolidated Statements of Equity
Net income (loss)	(47,296)	(49,949)				(49,949)		2,653
Other comprehensive income (loss)	(2,042)	(2,042)					(2,042)
Non-cash stock-based compensation	33,335	33,335			33,335
Issuance of restricted shares, net (in shares)			592,553
Issuance of restricted shares, net	0	0	$ 59		(59)
Shares withheld for taxes, net of other stock issuances (in shares)			(118,636)
Shares withheld for taxes, net of other stock issuances	(5,448)	(5,448)	$ (12)		(5,436)
Issuance of shares in connection with acquisition (in shares)			4,112
Issuance of shares in connection with acquisition	$ 403	403			403
Acquisition of treasury stock, at cost (in shares)	0
Distributions to non-controlling interests	$ (2,818)							(2,818)
Purchase of non-controlling interests (in shares)				120,000
Purchase of non-controlling interests	(10,000)	(7,476)		$ 3,997	(11,473)			(2,524)
Sale of minority interest in subsidary / Consideration transferred in a foreign subsidary	7,112							7,112
Non-controlling interests assumed related to acquisitions	$ 6,828							6,828
Ending balance, common shares outstanding (in shares) at Dec. 31, 2023	99,093,134		99,093,134
Ending balance at Dec. 31, 2023	$ 2,721,261	2,706,152	$ 9,909	$ (659,913)	1,263,360	2,145,793	(52,997)	15,109
Ending balance, treasury shares (in shares) at Dec. 31, 2023	(19,813,055)			(19,813,055)
Consolidated Statements of Equity
Net income (loss)	$ 199,421	162,788				162,788		36,633
Other comprehensive income (loss)	(2,600)	(2,600)					(2,600)
Non-cash stock-based compensation	32,672	32,672			32,672
Forfeiture of restricted shares, net (in shares)			(30,672)
Forfeiture of restricted shares, net	0	0	$ (3)		3
Shares withheld for taxes, net of other stock issuances (in shares)			(33,451)
Shares withheld for taxes, net of other stock issuances	(2,946)	(2,946)	$ (3)		(2,943)
Issuance of shares in connection with acquisition (in shares)				93,259
Issuance of shares in connection with acquisition	$ 13,199	13,199		$ 3,106	10,093
Acquisition of treasury stock, at cost (in shares)	0
Distributions to non-controlling interests	$ (32,943)							(32,943)
Sale of minority interest in subsidary / Consideration transferred in a foreign subsidary	20,092	2,592			(12,158)		14,750	17,500
Non-controlling interests assumed related to acquisitions	$ 39,187							39,187
Ending balance, common shares outstanding (in shares) at Dec. 31, 2024	99,029,011		99,029,011
Ending balance at Dec. 31, 2024	$ 2,987,343	$ 2,911,857	$ 9,903	$ (656,807)	$ 1,291,027	$ 2,308,581	$ (40,847)	$ 75,486
Ending balance, treasury shares (in shares) at Dec. 31, 2024	(19,719,796)			(19,719,796)