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Commitments and Contingencies - Additional Information (Details) - USD ($)		1 Months Ended		3 Months Ended	9 Months Ended
	Jul. 29, 2020	Jun. 30, 2020	Nov. 30, 2019	Sep. 30, 2020	Sep. 30, 2020
Lessee, Lease, Description [Line Items]
Operating lease, weighted average discount rate				7.00%	7.00%
Weighted average remaining lease term				3 years 8 months 12 days	3 years 8 months 12 days
Cash paid for operating lease liabilities				$ 1,000,000.0	$ 2,600,000
Rent expense				1,000,000.0	$ 2,900,000
Non-cancelable Lease Agreement Entered in August 2018
Lessee, Lease, Description [Line Items]
Operating sublease, annual increase percentage for base rent					3.00%
Additional Non-cancelable Lease Agreement Entered in November 2019
Lessee, Lease, Description [Line Items]
Monthly base rent for permanent space			$ 63,425
Monthly base rent for temporary space			$ 28,745
Option to extend lease term of permanent space			12 months
Annual increase percentage for lease charges			3.00%
Sublease Agreement Entered in June 2020
Lessee, Lease, Description [Line Items]
Sublease monthly base rent		$ 63,425
Sublease annual increase percentage for lease charges		3.00%
Sublease period of base rent abatement		6 months
Sublease income				$ 100,000	$ 100,000
Lease Assignment Agreement Entered in July 2020
Lessee, Lease, Description [Line Items]
Annual increase percentage for lease charges	2.50%
Operating lease, renewal term	5 years
Lease assignment agreement, monthly base rent expense	$ 28,495

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