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Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Related Party Transactions          
Due from related party $ 0.2   $ 0.2   $ 0.2
William A. Zartler          
Related Party Transactions          
Payment made to related party 0.2 $ 0.2 0.6 $ 0.8  
Solaris Energy Management, LLC          
Related Party Transactions          
Other commitments $ 4.5   $ 4.5