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Fair Value Measurements (Tables)
6 Months Ended
Sep. 30, 2019
Fair Value Disclosures [Abstract]  
Schedule of fair value of held-to-maturity securities

    Held-To-Maturity   Amortized Cost     Gross
Holding
Gains
(Losses)
    Fair Value  
September 30, 2019   U.S. Treasury Securities (Mature on 3/19/2020)   $ 350,082,415     $ 24,045     $ 350,106,460