Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Publisher FASB
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-Topic 718
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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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

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Number of shares for which recognition of cost was accelerated for award under share-based payment arrangement.

+ References

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stockholders’ (Deficit) Equity and Stock-Based Compensation - Significant modifications (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended		12 Months Ended
	Aug. 31, 2021	Jul. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Compensation expense			$ 16.5	$ 45.5	$ 174.0	$ 5.3
Option
Class of Stock [Line Items]
Number of shares authorized (in shares)		458,314
Accelerated vesting (in shares)	110,418	140,000
Period in force	10 years	10 years
Compensation expense	$ 0.5	$ 2.4