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Related Parties - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Related Party Transaction [Line Items]        
Revenue from Related Parties $ 0.3 $ 0.2 $ 0.6 $ 0.5