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Stock-Based Compensation - Restricted Stock Awards and Performance-Based RSUs - Activity (Details) - Restricted stock and performance-based restricted stock units - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Shares
Non-vested awards at beginning of period (in shares)	2,625
Granted (in shares)	864
Adjustment for performance (in shares)	13
Vested (in shares)	(1,188)
Canceled (in shares)	(38)
Non-vested awards at end of period (in shares)	2,276	2,625
Weighted Average Grant Date Fair Value Per Share
Non-vested awards at beginning of period (in dollars per share)	$ 10.19
Granted (in dollars per share)	17.44
Adjustment for performance (in dollars per share)	14.3
Vested (in dollars per share)	10.22
Canceled (in dollars per share)	12.08
Non-vested awards at end of period (in dollars per share)	$ 12.81	$ 10.19
Fair value of awards granted (in dollars)	$ 15.1	$ 15.3	$ 14.3
Fair value of vested shares (in dollars)	20.2	$ 12.4	$ 9.3
Unrecognized compensation
Unrecognized stock-based compensation expenses (in dollars)	$ 14.5
Weighted-average period over which the expected unrecognized compensation cost is expected to be recognized	1 year 8 months 12 days

X

- Definition

The number of adjustments in shares 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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The weighted average fair value for adjustments for performance at grant date for nonvested equity-based awards issued 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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Fair value of share-based awards granted during the period.

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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.

+ References

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-Topic 718
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-Name Accounting Standards Codification
-Section 50
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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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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The weighted average fair value at grant date for nonvested equity-based awards issued 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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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