INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	May 20, 2020
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 28,114	$ 24,783
Goodwill impairment loss	$ 0	17,432
Zyla Life Sciences
Finite-Lived Intangible Assets [Line Items]
Goodwill		$ 17,432	$ 14,147

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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