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Severance - Additional Information (Details) $ in Thousands		3 Months Ended	12 Months Ended
Severance - Additional Information (Details) $ in Thousands	Apr. 08, 2020 Employee	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Restructuring Cost And Reserve [Line Items]
Accrued liabilities			$ 7,319	$ 9,031
Transition Separation Agreement
Restructuring Cost And Reserve [Line Items]
Restructuring charges			1,800
Accrued liabilities			1,000
Reduction in Force
Restructuring Cost And Reserve [Line Items]
Number of employees terminated \| Employee	95
Restructuring charges		$ 2,100
Termination Benefits \| Transition Separation Agreement
Restructuring Cost And Reserve [Line Items]
Payments for restructuring			$ 800