Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details Narrative)

v3.8.0.1
Related Party Transactions (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended
Mar. 15, 2017
May 31, 2016
Mar. 31, 2016
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Gross proceeds from warrants issued       $ 0 $ 7,750,000  
Cash deposited in Trust Account $ 325,000,000     327,259,697   $ 326,449,859
Description of stock split     1.2-for-1 stock split      
Due to Affiliate, Current       $ 50,000   $ 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     32,500,000    
Common stock, par value (in dollars per share)       $ 0.0001   $ 0.0001
Common stock, outstanding       1,262,022   1,329,692
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