Summary of Significant Accounting Policies (Details) - USD ($)		3 Months Ended				6 Months Ended
		Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Accounting Policies [Abstract]
Net income (loss)		$ 733,601	$ 688,348	$ (88)	$ (87)	$ 1,421,949	$ (175)
Less: Income attributable to common stock subject to possible redemption		(826,835)				(1,657,107)
Adjusted net loss		$ (93,234)		$ (88)		$ (235,158)	$ (175)
Weighted average shares outstanding, basic and diluted (in shares)	[1]	6,337,621		6,250,000		6,330,561	6,250,000
Basic and diluted net loss per share (in dollars per share)	[2]	$ (0.01)		$ (0.00)		$ (0.04)	$ (0.00)

[1] Excludes an aggregate of 18,900,413 shares subject to possible redemption at June 30, 2019 and an aggregate of up to 750,000 shares subject to forfeiture to the extent that the underwriters' over-allotment was not exercised in full at June 30, 2018. The underwriters' election to exercise their over-allotment option expired unexercised in January 4, 2019 and, as a result, 750,000 Founder Shares were forfeited.

[2] Excludes income of $826,835 and $1,657,107 attributable to common stock subject to possible redemption for the three and six months ended June 30, 2019 (see Note 2).