GOODWILL AND IMPAIRMENT CHARGES (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of rollforward goodwill

The following table presents a rollforward of goodwill for the nine months ended September 30, 2021 as follows (in thousands): 

	IHT						MS						Quest Integrity						Consolidated
	Goodwill, Gross		Accumulated Impairment		Goodwill, Net		Goodwill, Gross		Accumulated Impairment		Goodwill, Net		Goodwill, Gross		Accumulated Impairment		Goodwill, Net		Goodwill, Gross		Accumulated Impairment		Goodwill, Net
Balance at December 31, 2020	$	212,928	$	(212,928)	$	—	$	110,721	$	(54,101)	$	56,620	$	34,731	$	—	$	34,731	$	358,380	$	(267,029)	$	91,351
FX Adjustments	—		—		—		(783)		—		(783)		(550)		—		(550)		(1,333)		—		(1,333)
Impairment charge	—		—		—		—		(55,837)		(55,837)		—		—		—		—		(55,837)		(55,837)
Balance at September 30, 2021	$	212,928	$	(212,928)	$	—	$	109,938	$	(109,938)	$	—	$	34,181	$	—	$	34,181	$	357,047	$	(322,866)	$	34,181