GOODWILL AND OTHER INTANGIBLES - Schedule of Intangible Asset Impairment Charges Including Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment charges	$ 0	$ 0	$ 0	$ 32,786
Other intangible asset impairment charges	$ 0	$ 2,020	$ 7,811	$ 65,771

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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