STOCKHOLDERS' EQUITY, Preferred Stock and Common Stock (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2020 $ / shares shares	Dec. 31, 2019 $ / shares shares
Stockholders' Equity [Abstract]
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Stock conversion basis at time of business combination	1
Stock conversion percentage threshold	20.00%
Class A Common Stock [Member]
Stockholders' Equity [Abstract]
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Common stock, shares issued (in shares)	1,270,855	1,386,136
Common stock, shares outstanding (in shares)	1,270,855	1,386,136
Voting right per share	One vote	One vote
Common stock subject to possible redemption (in shares)	28,729,145	28,613,864
Class B Common Stock [Member]
Stockholders' Equity [Abstract]
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Common stock, shares issued (in shares)	7,500,000	7,500,000
Common stock, shares outstanding (in shares)	7,500,000	7,500,000