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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2019
Accounting Policies [Abstract]  
Schedule of net income (loss) available to each class of common stockholders

   Three months   Nine months 
   ended   ended 
   September 30, 2019   September 30, 2019 
Net income available to Class A common stockholders:        
Interest income  $1,744,000   $4,130,000 
Less: Income and franchise taxes   (405,000)   (952,000)
Net income attributable to Class A common stockholders  $1,339,000   $3,178,000 
Net income available to Class B common stockholders:          
Net income (loss)  $(941,000)  $492,000 
Less: amount attributable to Class A common stockholders   (1,339,000)   (3,178,000)
Net (loss) attributable to Class B common stockholders  $(2,280,000)  $(2,686,000)