SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Income per Common Share (Details) - USD ($)		3 Months Ended			9 Months Ended
		Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Net loss		$ (8,657,677)	$ (1,335,040)	$ 3,031,538	$ (6,961,179)
Less: Income attributable to common stock subject to possible redemption		0			(2,449,217)
Adjusted net loss		$ (8,657,677)			$ (9,410,396)
Weighted average shares outstanding, basic and diluted	[1]	31,301,692			30,815,111
Basic and diluted net loss per common share (2)	[2]	$ (0.28)			$ (0.31)

[1] Excludes an aggregate of 105,003,860 shares subject to possible redemption at September 30, 2020.

[2] Excludes interest income of $0 and $2,449,217 attributable to shares subject to possible redemption for the three and nine months ended September 30, 2020, respectively (see Note 2).