Stock-Based Payments - Inducement Grant (Details) - shares	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted and outstanding (in shares)		1,647,000
Inducement Grant \| Non Statutory Stock option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted and outstanding (in shares)	360,000	360,000
Vesting period		4 years
Term of award		3 years
Inducement Grant \| Non Statutory Stock option \| Vesting on one year anniversary of vesting commencement date
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting (as a percent)		25.00%
Inducement Grant \| Non Statutory Stock option \| Vesting ratably on a monthly basis
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting (as a percent)		75.00%

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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 (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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.

+ References

No definition available.

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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

Percentage of vesting of award under share-based payment arrangement.

+ References

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- Definition

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.

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

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