Shareholders' Equity - Additional Information (Details)	Dec. 31, 2017 shares
Class Of Stock [Line Items]
Preferred shares authorized	1,000,000
Preferred shares issued	0
Preferred shares outstanding	0
Class A ordinary shares
Class Of Stock [Line Items]
Ordinary shares authorized	200,000,000
Ordinary shares issued	45,000,000
Ordinary shares outstanding	45,000,000
Ordinary shares subject to possible redemption	42,959,940
Ordinary shares issued	2,040,060
Ordinary shares outstanding	2,040,060
Class F ordinary shares
Class Of Stock [Line Items]
Ordinary shares authorized	20,000,000
Ordinary shares issued	11,250,000
Ordinary shares outstanding	11,250,000