Fair Value Measurement - Schedule of Assets Measured at Fair Value on Recurring Basis (Details) - Recurring [Member]	Mar. 31, 2019 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investments and cash held in Trust Account	$ 404,963,670
Total	404,963,670
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	404,963,670
Total	$ 404,963,670