Stock Incentive Plans - Summary of RSU Activity (Details) - $ / shares	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Outstanding at Beginning Balance	7,624,306
Number of Options, Granted	2,581,980
Number of Options, Outstanding at Ending Balance	10,006,729
Weighted-average grant date fair value per share for options granted	$ 1.78	$ 8.37
RSU Member
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Outstanding at Beginning Balance	307,600
Number of Options, Granted	386,495
RSU Vested	(87,140)
RSU, Forfeited	(10,979)
Number of Options, Outstanding at Ending Balance	595,976
Weighted-Average Grant Date Fair Value, Outstanding	$ 12.75
Weighted-average grant date fair value per share for options granted	2.71
Weighted-Average Grant Date Fair Value, Vested	13.85
Weighted-Average Grant Date Fair Value, Forfeited	12.10
Weighted-Average Grant Date Fair Value, Outstanding	$ 6.10

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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.

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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
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-Topic 718
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
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-Subparagraph (c)(1)(i)-(ii)
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Weighted average grant-date fair value of non-vested options forfeited.

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Weighted average grant-date fair value of non-vested options outstanding.

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Weighted average grant-date fair value of options vested.

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