SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of Net Loss Per Ordinary 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 $ (2,293,004) $ (56,565) $ 0 $ (2,349,569)
Less: Income attributable to ordinary shares subject to possible redemption (30,986)     (92,501)
Adjusted net loss $ (2,323,990)     $ (2,442,070)
Weighted average shares outstanding, basic and diluted [1] 23,986,724     20,157,288
Basic and diluted net loss per ordinary share [2] $ (0.10)     $ (0.12)
[1] Excludes an aggregate of 79,280,895 shares subject to possible redemption.
[2] Net loss per ordinary share - basic and diluted excludes income attributable to ordinary shares subject to possible redemption of $30,986 and $92,501 for the three and nine months ended September 30, 2020, respectively (see Note 2).