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Property and Equipment - Additional Information (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Dec. 31, 2019
Jul. 10, 2019
Dec. 31, 2020
Dec. 31, 2018
Property Plant And Equipment [Abstract]        
Depreciation expense $ 0.4 $ 0.2 $ 1.2 $ 0.4