DISCONTINUED OPERATIONS - Schedule of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Major classes of line items constituting income (loss) from discontinued operations
Net income from discontinued operations	$ 0	$ 5,871
Quest Integrity
Major classes of line items constituting income (loss) from discontinued operations
Revenues		29,540
Operating expenses		(15,570)
Selling, general and administrative expenses		(7,766)
Interest expense, net		(26)
Other expense		(477)
Income from discontinued operations before income taxes		5,701
Benefit from income taxes		170
Net income from discontinued operations		5,871
Cash flows provided by operating activities of discontinued operations:
Depreciation and amortization		577
Cash flows provided by investing activities of discontinued operations:
Capital expenditures		$ 931