Public Offering - Additional Information (Detail) - Common Class A [Member] - $ / shares	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Sep. 30, 2019
Initial public offering	23,000,000	23,000,000
Initial public offering, price per share		$ 10.00
Warrant Exercise Price		$ 11.50
Over-Allotment Option [Member]
Initial public offering		3,000,000