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FAIR VALUE MEASUREMENTS - Changes in fair value (Details) - Private Placement Warrant Liability	3 Months Ended
	Mar. 31, 2021 USD ($)
Fair value, December 31, 2020	$ 14,685,000
Recogized gain on changes in fair value	3,738,000
Fair value, March 31, 2021	$ 10,947,000

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- Definition

Amount of Recognized Gain On Changes in Fair Value.

+ References

No definition available.

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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