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Employee Benefit Plan - Additional Information (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Compensation And Retirement Disclosure [Abstract] |  |
Defined contribution plan, sponsor location [Extensible list] | country:US | country:US
Defined contribution plan, plan name | 401(k) |
Employer contributions | $ 0 | $ 0

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- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Name of defined contribution plan designed to provide retirement benefits. Includes, but is not limited to, legal name of plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanPlanName
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Indicates location of employer sponsoring defined contribution plan designed to provide retirement benefits. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | srt-types:extensibleListItemType
Balance Type: | na
Period Type: | instant