Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details Narrative)

v3.10.0.1
Related Party Transactions (Details Narrative) - USD ($)
1 Months Ended 6 Months Ended
Mar. 15, 2017
May 31, 2016
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Mar. 31, 2016
Gross proceeds from warrants issued     $ 0 $ 7,750,000    
Cash deposited in Trust Account $ 325,000,000   328,319,857   $ 326,449,859  
Description of stock split   1.2-for-1 stock split        
Due to Affiliate, Current     $ 90,000   $ 19,200  
Stock Price Target For Release Of Founder Shares     $ 12.00      
MP Acquisition Sponsor LLC (the "Sponsor") [Member]            
Due from related party 275,000          
Repayment of related party debt $ 275,000          
Over-Allotment Option [Member] | Cantor Fitzgerald & Co. (the "Underwriter") [Member]            
Number of units sold 2,500,000          
Warrant [Member] | Private Placement [Member]            
Number of shares issued 15,500,000          
Warrant exercise price (in dollars per share) $ 0.50          
Gross proceeds from warrants issued $ 7,750,000          
Warrant [Member] | Private Placement [Member] | Cantor Fitzgerald & Co. (the "Underwriter") [Member]            
Number of shares issued 1,000,000          
Warrant [Member] | Private Placement [Member] | MP Acquisition Sponsor LLC (the "Sponsor") [Member]            
Number of shares issued 14,500,000          
Class A Common Stock [Member]            
Number of shares issued 32,500,000          
Common stock, par value (in dollars per share)     $ 0.0001   $ 0.0001  
Common stock, outstanding     1,196,492   1,329,692  
Number of units sold 32,500,000          
Class A Common Stock [Member] | Private Placement [Member]            
Share price of whole share (in dollars per share) $ 11.50          
Share price of half share (in dollars per share) $ 5.75          
Class F Common Stock [Member]            
Common stock, par value (in dollars per share)     $ 0.0001   $ 0.0001  
Common stock, outstanding     8,125,000   8,125,000  
Class F Common Stock [Member] | MP Acquisition Sponsor LLC (the "Sponsor") [Member]            
Number of shares issued 7,187,500          
Common stock, par value (in dollars per share)           $ 0.0001
Value of shares issued $ 25,000          
Share price (in dollars per share)           $ 0.004
Common stock, outstanding   8,625,000        
Number of shares subject to forfeiture 1,125,000          
Percentage of ownership after transaction 20.00%          
Number of shares forfeited 625,000          
Number of shares no longer subject to forfeiture 500,000