Statements of Changes in Stockholders' Equity (Parenthetical) - Sponsor [Member] - shares		12 Months Ended
	Jan. 17, 2018	Dec. 31, 2018	Dec. 31, 2017
Stock split	2.5-for-1
Common Stock Class B [Member] | Over-Allotment Option [Member]
Number of shares forfeited	937,500	312,500	937,500