Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

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Summary of Significant Accounting Policies (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Net income available to Class A common stockholders:    
Interest income $ 5,559,000 $ 403,000
Less: Income and franchise taxes (1,330,000) (156,000)
Expenses available to be paid with Interest income available to withdraw from Trust (1,372,000) (128,000)
Net income available to Class A common stockholders 2,857,000 119,000
Net income available to Class F common stockholders:    
Net income 2,806,000 119,000
Less: amount attributable to Class A common stockholders (2,857,000) (119,000)
Net (loss) allocated to class F common stockholders $ (51,000)