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Stockholders' Equity - Share-Based Compensation - Additional Information (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($) shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock Reserved under 2020 plan	675,000
Unrecognized compensation expense related to non-vested share-based compensation awards | $	$ 0
2019 Equity Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for grant	1,643
2019 Equity Incentive Plan [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock Reserved under 2020 plan	2,142
2019 Equity Incentive Plan [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, exercise price of common stock granted as percentage of fair value on the date of grant	100.00%

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Aggregate number of common shares reserved for future issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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