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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Automatic Increase In Shares To Be Issued, Percentage

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under 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

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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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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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions				1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 02, 2025 shares	Apr. 16, 2024 shares	Jan. 02, 2024 shares	Dec. 31, 2023	Sep. 30, 2025 USD ($) equity_compensation_plan $ / shares shares	Sep. 30, 2024 USD ($) $ / shares	Sep. 30, 2025 USD ($) equity_compensation_plan $ / shares shares	Sep. 30, 2024 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense \| $					$ 12.2		$ 12.2
Unrecognized compensation expense related to options outstanding, weighted average period for expense to be recognized							2 years 1 month 6 days
Number of equity compensation plans \| equity_compensation_plan					2		2
Weighted average grant date fair value (in USD per share) \| $ / shares					$ 0.91	$ 1.19	$ 0.79	$ 0.81
Options, vested in period, fair value \| $					$ 0.1	$ 0.2	$ 4.9	$ 6.0
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares)							3,314,445
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Automatic increase in shares to be issued							4.00%
Number of shares authorized for grant (in shares)					38,600,000		38,600,000
Number of shares available for grant (in shares)					16,600,000		16,600,000
2019 Plan \| PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares)	3,314,445	256,885	615,467
2019 Plan \| PSUs \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage of the awards granted				0.00%
2019 Plan \| PSUs \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage of the awards granted				200.00%
2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for grant (in shares)					800,000		800,000
Number of shares available for grant (in shares)					600,000		600,000