Fair Value Measurement - Schedule of Assets Measured at Fair Value on Recurring Basis (Details) - Recurring [Member]	Dec. 31, 2018 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments and cash held in Trust Account	$ 402,605,952
Total	402,605,952
Quoted Prices in Active Markets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments and cash held in Trust Account	402,605,952
Total	$ 402,605,952