Summary of Significant Accounting Policies (Details) - USD ($)			3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Cash and cash equivalents [Abstract]
Cash and cash equivalents			$ 223,336,547		$ 223,336,547	$ 221,060,045
Payment of franchise taxes and income taxes		$ 0			$ 254,579
Net loss per common share [Abstract]
Common stock, subject to possible redemption (in shares)		0	20,865,717		20,865,717	20,869,316
Shares excluded from the computation of net loss per common share (in shares)					27,962,493
Reconciliation of net loss per common share [Abstract]
Net income (loss)		$ (2,600)	$ 842,931	$ 790,254	$ 1,633,185
Less: Income attributable to common stock subject to possible redemption		0	(949,978)		(1,824,175)
Ajusted net loss		$ (2,600)	$ (107,047)		$ (190,990)
Weighted average number of common shares outstanding (in shares)	[1],[2]	5,000,000	6,700,195		6,695,800
Basic and diluted net loss per share (in dollars per share)	[3]	$ 0	$ (0.02)		$ (0.03)
Income Taxes [Abstract]
Unrecognized tax benefits			$ 0		$ 0	$ 0
Accrued interest and penalties			$ 0		$ 0	$ 0

[1] Excludes an aggregate of 20,865,717 and 0 shares subject to possible redemption as of June 30, 2019 and June 30, 2018, respectively.

[2] Excludes an aggregate of up to 750,000 shares subject to forfeiture as of June 30, 2018 if the over-allotment option is not exercised in full or in part by the underwriters.

[3] Excludes income of $949,978 and $1,824,175 attributable to common stock subject to possible redemption for the Three and Six Months Ended June 30, 2019, respectively (see Note 2).