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FAIR VALUE MEASUREMENTS - Changes in Fair Value of Private Placement Warrant (Details) - USD ($)	3 Months Ended				8 Months Ended	9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			$ 53,005,335			$ 53,005,335
Change in fair value	$ (6,880,500)			$ (1,529,000)	$ 2,548,333	(16,054,501)
Fair value	36,950,834					36,950,834
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value			17,125,335			17,125,335
Fair value	11,938,334					11,938,334
Level 3 | Private Placement Warrant
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value	14,161,334	$ 12,350,001	17,125,335			17,125,335
Change in fair value	(2,223,000)	1,811,333	(4,775,334)
Fair value	$ 11,938,334	14,161,334	12,350,001			11,938,334
Level 3 | FPA Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value		3,160,168	10,654,540			$ 10,654,540
Change in fair value		$ (3,160,168)	(7,494,372)
Fair value			$ 3,160,168

X

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ 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
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875

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- Definition

The fair value of shares that would be issued, determined under the conditions specified in the contract if the settlement were to occur at the reporting date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
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