Significant Accounting Policies - Reconciliation of Numerator and Denominator Used to Compute Basic and Diluted Net Income/(loss) Per Share (Details) - USD ($)	4 Months Ended		12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2019
Numerator:
Allocation of net income/(loss)	$ (21,985)	$ (21,985)	$ 5,445,176
Class A Common Stock
Numerator:
Allocation of net income/(loss)			$ 5,938,019
Denominator:
Weighted-average shares outstanding			36,164,000
Basic and diluted net income/(loss) per share			$ 0.16
Class F Common Stock
Numerator:
Allocation of net income/(loss)	$ (21,985)		$ (492,843)
Denominator:
Weighted-average shares outstanding	10,781,250		10,162,656
Basic and diluted net income/(loss) per share	$ 0.00		$ (0.05)