Restructuring And Related Cost, Impacted Employees Term For Cash Payments And Benefits

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- Definition

Restructuring And Related Cost, Number Of Previously Eliminated Positions Retained

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- Definition

Restructuring And Related Cost, Planned Number Of Positions Eliminated

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Restructuring And Related Cost, Planned Number Of Positions Eliminated, Period Percent

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- Definition

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

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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).

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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.

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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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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.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Restructuring (Details) - Workforce realignment $ in Millions			3 Months Ended		12 Months Ended
	Nov. 30, 2021 lease_agreement	Oct. 12, 2021 employee	Dec. 31, 2021 USD ($) employee	Sep. 30, 2021 employee	Dec. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Reduction in workforce \| employee			72	83
Reduction in workforce (percent)				33.00%
Notice period for impacted employees cash payments and benefits				60 days
Additional planned reduction in workforce \| employee		100
Additional planned reduction in workforce (percent)		60.00%
Previously eliminated positions retained \| lease_agreement	28
Restructuring charges					$ 6.2
Estimated restructuring liability			$ 0.5		0.5
Research and development expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges					2.7
General and administrative expense
Restructuring Cost and Reserve [Line Items]
Restructuring charges					$ 3.5