Restructuring (Details) $ in Thousands		3 Months Ended	6 Months Ended
May 16, 2022 position	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
Restructuring
Number of positions eliminated \| position	39
Expected number of positions eliminated (as a percent)	25.00%
Restructuring charges		$ 1,900	$ 1,900
Accrued restructuring expense		1,363	1,363
Non-cash equity modifications expense			100
Research and development expense
Restructuring
Restructuring charges		1,400	1,400
General and administrative expense
Restructuring
Restructuring charges		$ 500	$ 500

The number of positions eliminated during the period as a result of restructuring activities.

No definition available.

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- Definition

The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

+ References

No definition available.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 45
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-URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868

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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.

+ References

No definition available.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
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Amount of noncash expense for option under share-based payment arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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