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REVENUE Variable Consideration (Details)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue, Methods, Inputs, and Assumptions Used [Abstract]
Revenue, Information Used to Assess Variable Consideration Constraint	105.4 million	23.3 million

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- Definition

Description of methods, inputs, and assumptions used to assess estimate of variable consideration with probability of subsequent revenue reversal.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 20
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045

+ Details

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- References

No definition available.

+ Details

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