Share-Based Compensation - Summary of Activity of Options and RSUs of Performance-Based Options (Details)	9 Months Ended
Sep. 30, 2020 shares
Number of Shares
Outstanding as of December 31, 2019	2,969,428
Share based compensation options granted	980,828
Issuance of common stock upon the exercise of stock options, shares	161,714
Outstanding as of September 30, 2020	3,679,383
2017 Plan [Member] \| Number Of Performance Based Option Shares [Member]
Number of Shares
Outstanding as of December 31, 2019	84,146
Forfeited or cancelled	(21,039)
Outstanding as of September 30, 2020	63,107
2017 Plan [Member] \| Number Of Performance Based RSUs Shares [Member]
Number of Shares
Outstanding as of December 31, 2019	40,750
Forfeited or cancelled	(10,189)
Outstanding as of September 30, 2020	30,561

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(2)
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