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SHAREHOLDERS' EQUITY, Preferred Shares (Details) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
SHAREHOLDERS' EQUITY [Abstract]    
Preference shares, shares authorized (in shares) 1,000,000 1,000,000
Preference shares, par value (in dollars per share) $ 0.0001 $ 0.0001
Preference shares, shares issued (in shares) 0 0
Preference shares, shares outstanding (in shares) 0 0