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GOODWILL AND INTANGIBLE ASSETS - Summary of Indefinite and Finite-Lived Intangible Assets (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Intangible Assets, net
Balance at December 31, 2020	$ 55,526
Impairment	(9,549)
Less: amortization expense	(6,078)
Balance at September 30, 2021	25,371
Discontinued Operations, Held-for-sale
Intangible Assets, net
Intangible assets transferred to disposal group held for sale	$ (14,528)

X

- Definition

Intangible Assets Divested

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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-Publisher FASB
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-Section 50
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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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