DISCONTINUED OPERATIONS - Narrative (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Discontinued Operations and Disposal Groups [Abstract]
Disposal group, including discontinued operation, assets	$ 0	$ 0
Disposal group, including discontinued operation, liabilities	$ 0	$ 0

Amount classified as liabilities attributable to disposal group held for sale or disposed of.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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