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Company Overview and Basis of Presentation - Related Party Transactions - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]        
Related party expenses $ 0.9 $ 1.0 $ 1.7 $ 2.0