Fair Value Measurements (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Investment held in Trust Account	$ 558,915,205	$ 555,695,763
Quoted Prices in Active Markets (Level 1) [Member]
Investment held in Trust Account	558,915,205	555,695,763
Significant Other Observable Inputs (Level 2) [Member]
Investment held in Trust Account
Significant Other Unobservable Inputs (Level 3) [Member]
Investment held in Trust Account