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Stock-Based Compensation - Schedule of Stock Option Activity, Excluding Cancelled Options (Details) - Stock Options - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Outstanding. Stock Options, Beginning Balance  
Options granted, Stock Options 674,842
Outstanding. Stock Options, Ending Balance 674,842
Vested and expected to vest at December 31, 2020, Stock Options 674,842
Options exercisable at December 31, 2020, Stock Options 12,054
Outstanding, Weighted Average Exercise Price, Beginning balance  
Options granted, Weighted Average Exercise Price $ 20.68
Outstanding, Weighted Average Exercise Price, Ending balance 20.68
Vested and expected to vest at December 31, 2020, Weighted Average Exercise Price 20.68
Options exercisable at December 31, 2020, Weighted Average Exercise Price $ 20.25
Outstanding, Weighted Average Remaining Contractual Life 9 years 9 months 18 days
Vested and expected to vest at December 31, 2020, Weighted Average Remaining Contractual Life 9 years 9 months 18 days
Weighted Average Remaining Contractual Life, Options exercisable at December 31, 2020 9 years 9 months 18 days
Outstanding, Aggregate Intrinsic Value, Beginning Balance  
Outstanding, Aggregate Intrinsic Value, Ending Balance $ 3,953
Vested and expected to vest at December 31, 2020, Aggregate Intrinsic Value 3,953
Options exercisable at December 31, 2020, Aggregate Intrinsic Value $ 76