Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands		12 Months Ended
	May 21, 2019	Dec. 31, 2020 USD ($) Segment	Dec. 31, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Reverse stock split ratio	0.0975
Number of operating segments		1
Number of reportable segments		1
Impairment of long-lived assets | $		$ 0	$ 0
2019 Equity Incentive Plan
Summary Of Significant Accounting Policies [Line Items]
Term of options		10 years
Vesting period of options		4 years
2019 Equity Incentive Plan | Cliff Vesting
Summary Of Significant Accounting Policies [Line Items]
Vesting period of options		1 year
ASU 2016-02
Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adoption Date		Jan. 01, 2019
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]		true
ASU 2018-13
Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adoption Date		Jan. 01, 2020
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]		true
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]		true
ASU 2018-15
Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adoption Date		Jan. 01, 2020
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]		true
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]		true
ASU 2018-18
Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adoption Date		Jan. 01, 2020
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]		true
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]		true
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets		3 years
Recognized income tax positions measured at percentage of likelihood of realization		50.00%
Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets		5 years