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Income Taxes - Summarizes of Activity Related to Gross Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Gross unrecognized tax benefits at the beginning of the year $ 156  
Increases related to current year positions 446 $ 156
Increases related to prior year positions 62  
Other true up 7  
Gross unrecognized tax benefits at the end of the year $ 671 $ 156