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Trust Account and Fair Value Measurement (Tables)
9 Months Ended
Sep. 30, 2019
Fair Value Disclosures [Abstract]  
Schedule of assets measured at fair value on a recurring basis

Description  Carrying value at September 30,
2019
   Gross Unrealized Holding Gains   Quoted Price Prices in Active Markets (Level 1) 
Assets:               
Cash and money market funds  $15,000   $-   $15,000 
U.S. government treasury bills   306,379,000    64,000    306,443,000 
Total  $306,394,000   $64,000   $305,183,000