Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details Textual)

v3.10.0.1
Significant Accounting Policies (Details Textual) - USD ($)
6 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2018
Dec. 31, 2017
Aug. 01, 2017
Cash, FDIC Insured Amount   $ 250,000 $ 250,000  
Temporary Equity, Shares Outstanding   21,617,554 21,815,963  
Deferred Offering Costs   $ 13,300,000   $ 13,300,000
Over-Allotment Option [Member]        
Deferred Offering Costs   $ 8,050,000   $ 8,050,000
Common Class A [Member]        
Temporary Equity, Shares Outstanding   21,617,554 21,815,963  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 21,861,181 21,617,554    
Common Class A [Member] | Over-Allotment Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   34,100,000