Private Placement (Details) - USD ($)		6 Months Ended
	Mar. 18, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 04, 2019
Private Placement (Textual)
Aggregate purchase price			$ 7,600,000
Private Placement [Member]
Private Placement (Textual)
Purchase of private placement warrants		4,666,667
Price per warrant		$ 1.50		$ 10.00
Aggregate purchase price	$ 30,600,000	$ 7,000,000
Private Placement [Member] | Sponsor [Member]
Private Placement (Textual)
Private placement warrant, description	Each Private Placement Warrant is exercisable to purchase one share of Class A common stock at a price of $11.50 per share.
Sale of additional private placement warrants	400,000
Sale price of private placement warrant	$ 1.50
Gross proceeds of private placement	$ 600,000