SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of Net Loss per Ordinary Share (Details) - USD ($)	3 Months Ended			9 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2017
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Net income	$ 531,894	$ 610,435	$ (1,686)	$ 1,140,643
Less: Income attributable to ordinary shares subject to redemption				(1,297,659)
Adjusted net loss				$ (157,016)
Weighted average shares outstanding, basic and diluted	13,158,035	12,303,095	10,000,000	11,860,829	[1]
Basic and diluted net loss per common share	$ 0.02	$ 0.05	$ 0.00	$ (0.01)	[2]

[1] Excludes an aggregate of 44,348,925 shares subject to redemption at December 31, 2017.

[2] Net loss per common share - basic and diluted excludes interest income attributable to common stock subject to redemption of $1,297,659 for the period from March 21, 2017 (inception) through December 31, 2017