Quarterly report pursuant to Section 13 or 15(d)

Public Offering (Details Narrative)

Public Offering (Details Narrative) - USD ($)
9 Months Ended
Mar. 15, 2017
Sep. 30, 2018
Number Of Shares Forfeited 625,000  
Number of units sold 2,500,000  
Unit price (in dollars per share) $ 10  
Gross proceeds from units sold $ 325,000,000  
Common stock share, description   Once the Warrants become exercisable, the Company may redeem the outstanding warrants in whole and not in part at a price of $0.01 per Warrant upon a minimum of 30 days’ prior written notice of redemption, if and only if the last sale price of the Company’s Class A common stock equals or exceeds $24.00 per share for any 20 trading days within a 30-trading day period ending on the third trading day prior to the date on which the Company sent the notice of redemption to the Warrant holders.
Over-Allotment Option [Member]    
Description Of Unit   Each Unit consists of one share of the Company’s Class A common stock, $0.0001 par value per share, and one warrant (“Warrant”).
Over-Allotment Option [Member] | Cantor Fitzgerald & Co. (the "Underwriter") [Member]    
Number of units sold 2,500,000  
Unit price (in dollars per share) $ 10.00  
Class F Common Stock [Member] | MP Acquisition Sponsor LLC [Member]    
Number Of Shares Forfeited 500,000  
Class A Common Stock [Member]    
Number of units sold 32,500,000  
Class A Common Stock [Member] | Private Placement [Member]    
Share price of half share (in dollars per share) $ 5.75  
Share price of whole share (in dollars per share) $ 11.50