Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Sep. 30, 2020
Significant Accounting Policies [Line Items]
Assets	$ 15,000	$ 258,881,000
Cash equivalents	0	0
Deferred offering costs	15,000	0
Impairment losses	0	0
Liability for income tax associated with uncertain tax positions	0
Unrecognized tax benefits to change significantly over next 12 months		0
Interest and penalties associated with income tax positions	0	$ 0
Minimum
Significant Accounting Policies [Line Items]
Property and equipment, useful life		3 years
Maximum
Significant Accounting Policies [Line Items]
Property and equipment, useful life		5 years
Series A Convertible Preferred Stock
Significant Accounting Policies [Line Items]
Deferred offering costs	15,000
IPO
Significant Accounting Policies [Line Items]
Deferred offering costs			$ 2,500,000
United States
Significant Accounting Policies [Line Items]
Assets	$ 0	$ 0