STOCKHOLDERS' EQUITY (Details)	6 Months Ended
	Sep. 30, 2017 Vote $ / shares shares	Jun. 19, 2017 shares
Stockholders' Equity
Preferred stock, shares authorized	1,000,000
Preferred stock, par value | $ / shares	$ 0.0001
Preferred stock, shares issued	0
Preferred stock, shares outstanding	0
Shares subject to redemption	44,341,965
Warrants
Period after business combination when warrants become exercisable	30 days
Period after initial public offering when warrants become exercisable	12 months
Period within initial business combination to file registration statement covering Class A common stock issuable upon exercise of warrants	15 days
Period of warrant expiration	5 years
Redemption price per warrant | $ / shares	$ 0.01
Minimum period of written notice of warrant redemption	30 days
Minimum last sale price per share of the Company's common stock for any 20 trading days within a 30-trading day period ending on the third trading day prior to the date on which the Company sends the notice of redemption, before the warrants are redeemable | $ / shares	$ 18.00
Threshold of specific trading day that the common stock last sale price must equals or exceeds $18.00 per share within a 30-trading period ending on the third day prior to the date on which the Company sends notice of redemption to the warrant holders	20 days
Threshold of trading period ending on the third trading day prior to the date on which the Company sends the notice of redemption to the warrant holders	30 days
Initial Stockholders
Stockholders' Equity
Percentage of shares held by related party	0.20%
Private Placement Warrants
Warrants
Number of days that the warrants become transferable, assignable or salable following a Business Combination	30 days
Class A Common Stock
Stockholders' Equity
Common stock, shares authorized	200,000,000
Common stock, par value | $ / shares	$ 0.0001
Number of votes | Vote	1
Common stock, shares issued	1,658,035
Common stock, shares outstanding	1,658,035
Class F Common Stock
Stockholders' Equity
Common stock, shares authorized	20,000,000
Common stock, par value | $ / shares	$ 0.0001
Common stock, shares issued	11,500,000	11,500,000
Common stock, shares outstanding	11,500,000
Conversion ratio of Class F common stock to Class A common stock	1