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Description of Organization and Business Operations - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2018
USD ($)
$ / shares
Organization And Business Operations [Line Items]  
Proceeds from public offering $ 690,000,000
Proceeds from private placement 15,800,000
Deposit to trust account $ 690,000,000
Net asset value | $ / shares $ 1.00
Proceeds held out of trust account $ 2,000,000
Percentage of public shares required to repurchase if business combination is not completed within specified period 100.00%
Balance in trust account $ 696,162,083
Accrued dividends $ 1,278,946
Percentage of fair market value to that of balance in the trust account 80.00%
Payment of deferred underwriting commissions $ 13,800,000
Interest to pay dissolution expenses $ 100,000
Period from closing of public offering to complete business combination 24 months
Maximum [Member]  
Organization And Business Operations [Line Items]  
Payment of deferred underwriting commissions $ 5,000,001