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- Definition

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

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Aggregate number of common shares reserved for future issuance.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Estimated period when employee is required to provide service in exchange for share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Millions	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025	Jan. 01, 2025	Oct. 19, 2021
Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 0.2	$ 0.3	$ 0.7	$ 0.8
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)	20,790	217,539	20,790	217,539
Restricted Stock Units (RSUs) \| Minimum \| Share-based Payment Arrangement, Tranche 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights (as a percent)			33.33%
Restricted Stock Units (RSUs) \| Minimum \| Share-based Payment Arrangement, Tranche 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights (as a percent)			33.33%
Restricted Stock Units (RSUs) \| Minimum \| Share-based Payment Arrangement, Tranche 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights (as a percent)			33.33%
Restricted Stock Units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period		5 years
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		1,219		1,219
Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period		3 years
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding (in shares)	239,732,572		239,732,572		244,662,792
Stock-based compensation expense	$ 7.1	$ 4.4	$ 18.3	$ 11.1
2021 Omnibus Incentive Plan \| Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (in shares)						52,609,685	19,952,329
Common stock outstanding, ownership (as a percent)							3.00%
Common stock, shares outstanding (in shares)							9,976,164