SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of Net Loss per Share (Details) - USD ($)		3 Months Ended			6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2017	Jun. 30, 2018
Reconciliation of Net Loss per Share
Net loss		$ (879,856)	$ (1,686)	$ (1,686)	$ (645,050)
Less: Income attributable to ordinary shares subject to redemption		(710,903)			(2,127,353)
Adjusted net loss		$ (1,590,759)	$ (1,686)	$ (1,686)	$ (2,772,403)
Weighted average shares outstanding, basic and diluted	[1]	13,174,724	10,000,000	10,000,000	13,162,965
Basic and diluted net loss per common share	[2]	$ (0.12)	$ 0.00	$ 0.00	$ (0.21)

[1] June 30, 2018 excludes an aggregate of 44,093,614 shares subject to redemption and June 30, 2017 excludes 1,500,000 shares held by the initial stockholder that were subject to forfeiture to the extent that the underwriters’ over-allotment was not exercised in full.

[2] Net loss per common share - basic and diluted excludes interest income attributable to common stock subject to redemption of $710,903 and $2,127,353 for the three and six months ended June 30, 2018, respectively (see Note 2).