Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

GOODWILL AND IMPAIRMENT CHARGES - Additional Information (Details) - USD ($)		3 Months Ended	12 Months Ended
	Dec. 01, 2020	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill impairment charges	$ 0		$ 64,632,000	$ 191,788,000	$ 0
Goodwill		$ 25,243,000	$ 25,243,000	91,351,000	282,006,000
Refiners
Goodwill [Line Items]
Percent of customers		40.00%	40.00%
IHT
Goodwill [Line Items]
Goodwill impairment charges				191,788,000
Goodwill		$ 0	$ 0	0	193,216,000
Quest Integrity
Goodwill [Line Items]
Goodwill impairment charges		8,800,000	8,795,000
Goodwill		$ 25,243,000	$ 25,243,000	$ 34,731,000	$ 33,381,000