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Termination of Proposed Business Combination (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Terminationof Proposed Business Combination Disclosure [Abstract]        
Costs related to proposed business combination   $ 4,200,000    
Cost related to various business combination   5,700,000    
Accrued expenses   $ 950,000   $ 1,900,000
General and administrative expenses $ 950,000   $ 950,000 $ 1,900,000