QUARTERLY FINANCIAL DATA (UNAUDITED) (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 207,303	$ 219,093	$ 189,304	$ 236,839	$ 287,807	$ 290,079	$ 315,829	$ 269,599	$ 852,539	[1]	$ 1,163,314	[1]	$ 1,246,929	[1]
Gross margin	60,144	63,705	57,376	57,486	84,165	83,035	94,597	65,947	238,711		327,744		328,256
Operating income (loss)	(2,361)	2,297	(4,366)	(212,932)	3,218	(1,840)	13,004	(16,528)	(217,362)		(2,146)		(38,961)
Income (loss) from continuing operations	(14,875)	(9,073)	(13,528)	(199,727)	(7,234)	(7,057)	6,102	(24,228)	(237,203)		(32,417)
Net income (loss) attributable to Team shareholders	$ (14,875)	$ (9,073)	$ (13,528)	$ (199,727)	$ (7,234)	$ (7,057)	$ 6,102	$ (24,228)	$ (237,203)		$ (32,417)		$ (63,146)
Net income (loss) (in USD per share)	$ (0.48)	$ (0.30)	$ (0.44)	$ (6.54)	$ (0.24)	$ (0.23)	$ 0.20	$ (0.80)	$ (7.74)		$ (1.07)		$ (2.10)

[1] Revenues attributable to individual countries/geographic areas are based on the country of domicile of the legal entity that performs the work.