Stockholders' Equity - Additional Information (Details)	Sep. 30, 2018 Vote $ / shares shares	Dec. 31, 2017 $ / shares shares
Class Of Stock [Line Items]
Common stock, shares authorized	220,000,000
Number of votes for each share | Vote	1
Number of shares subject to possible redemption	38,250,049	0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Class A Common Stock
Class Of Stock [Line Items]
Common stock, shares authorized	200,000,000	200,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Common stock, inclusive of shares subject to redemption, number of shares issued and outstanding	40,000,000
Number of shares subject to possible redemption	38,250,049
Common stock, shares issued	1,749,951	0
Common stock, shares outstanding	1,749,951	0
Class F Common Stock
Class Of Stock [Line Items]
Common stock, shares authorized	20,000,000	20,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Common stock, shares issued	10,781,250	10,781,250
Common stock, shares outstanding	10,781,250	10,781,250