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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]      
Allowance for doubtful accounts $ 0 $ 0  
Asset retirement obligation 0 0  
Asset impairments $ 0 $ 0 $ 0
Potentially dilutive units outstanding (in units) 0 0