Stockholders' Equity (Details) - USD ($)		1 Months Ended	6 Months Ended	12 Months Ended
	Nov. 27, 2017	Oct. 31, 2016	Jun. 30, 2019	Dec. 31, 2018
Stockholders' Equity (Textual)
Preferred stock authorized			1,000,000	1,000,000
Preferred stock shares issued
Preferred stock shares outstanding
Common Stock [Member]
Stockholders' Equity (Textual)
Common stock shares authorized			110,000,000
Class A Common stock [Member]
Stockholders' Equity (Textual)
Common stock shares authorized			100,000,000	100,000,000
Common stock par value			$ 0.0001	$ 0.0001
Common stock shares issued			30,000,000	30,000,000
Common stock shares outstanding			935,856	1,083,859
Redeemable common stock, shares			29,064,144	28,916,141
Class F Common stock [Member]
Stockholders' Equity (Textual)
Common stock shares authorized			10,000,000	10,000,000
Common stock par value			$ 0.0001	$ 0.00001
Common stock shares issued			7,500,000	7,500,000
Common stock shares outstanding			7,500,000	7,500,000
Founder Shares [Member] | Over-Allotment Option [Member]
Stockholders' Equity (Textual)
Shares forfeited	1,125,000
Sponsor [Member] | Common Stock [Member]
Stockholders' Equity (Textual)
Common stock par value		$ 0.004
Sponsor [Member] | Founder Shares [Member]
Stockholders' Equity (Textual)
Sponsor purchased shares of Class F common stock		8,625,000
Class F common stock value		$ 25,000
Common stock par value		$ 0.001
Shares forfeited		1,125,000
Issued and outstanding shares of public offering, percentage		20.00%