Organization and Plan of Business Operations - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Entity Incorporation State Name		Delaware
Date of incorporation		Aug. 02, 2018
Number of warrants sold		6,350,000
Cash on trust account		$ 477,134	$ 19,168	$ 82,476
Common Class A [Member]
Initial public offering	23,000,000	23,000,000