Annual report pursuant to Section 13 and 15(d)

Trust Account and Fair Value Measurement (Tables)

v3.8.0.1
Trust Account and Fair Value Measurement (Tables)
12 Months Ended
Dec. 31, 2017
Trust Account and Fair Value Measurement [Abstract]  
Schedule of assets measured at fair value recurring basis
                Quoted Price  
    Carrying value at           Prices in  
    December 31,     Gross Unrealized     Active Markets  
Description   2017     Holding Gain     (Level 1)  
Assets:                  
U.S. government treasury bills   $ 300,403,000     $ 18,000     $ 300,421,000