Stockholders' Equity - Stock-based Compensation - Additional Information (Details)	12 Months Ended
Dec. 31, 2019
Class Of Stock [Line Items]
Stock option term	10 years
Employee Stock Option \| Tranche One
Class Of Stock [Line Items]
Stock granted to employees vesting rights, percentage	25.00%
Employee Stock Option \| Tranche Two
Class Of Stock [Line Items]
Stock granted to employees vesting rights, terms of award	one year and then 1/48th monthly thereafter
Restricted Stock Units \| Tranche One
Class Of Stock [Line Items]
Stock granted to employees vesting rights, percentage	25.00%
Restricted Stock Units \| Tranche Two
Class Of Stock [Line Items]
Stock granted to employees vesting rights, terms of award	one year and then 1/16th quarterly thereafter

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Description of terms of award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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