Related Party Transactions - Additional Information (Detail) - USD ($)	1 Months Ended			3 Months Ended	6 Months Ended	9 Months Ended
	Jul. 22, 2019	Jul. 17, 2019	Apr. 19, 2019	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2019	Jun. 26, 2019
Related party Transaction Expense		$ 10,000	$ 25,000
Percentage Of Founder Shares On Outstanding Shares							20.00%
Advances From Related Party Agreed Amount					$ 300,000,000
Due To Related Parties Current				$ 62,000	62,000	$ 62,000
Related Party Expense In Transaction		$ 10,000	$ 25,000
Common Stock Shares Resale or Transfer Share Price Threshold						$ 12.00
Expense Reimbursement Agreement [Member]
Due To Related Parties Current				62,000	62,000	$ 62,000
Administrative Support Agreement [Member]
Related party Transaction Expense				25,000
Related Party Expense In Transaction				25,000
Private Placement [Member]
Warrants Issued	4,016,667
Warrants Price	$ 1.50
Proceeds From Issuance Of Private Placement Warrants	$ 6,030,000
Working Capital Loans Eligible For Conversion Into Warrants				$ 1,500,000	$ 1,500,000	$ 1,500,000
Warrant Conversion Price	$ 1.50
Common Class A [Member]
Common stock, shares outstanding				1,038,579	1,038,579	1,038,579
Common stock par value	0.0001			$ 0.0001	$ 0.0001	$ 0.0001
Class of warrants redemption exercise price	$ 11.50
Common Class B [Member]
Common stock, shares outstanding			4,312,500	5,031,250	5,031,250	5,031,250
Common stock par value			$ 0.0001	$ 0.0001	$ 0.0001	$ 0.0001
Maximum [Member]
Founder Shares Subject To Redemption							656,250
Previously Reported [Member] | Common Class B [Member]
Common stock, shares outstanding							4,312,500
Restatement Adjustment [Member] | Common Class B [Member]
Common stock, shares outstanding							5,031,250