Share-based Compensation Arrangement by Share-based Payment Award, Average Share Price Trading Period

No definition available.

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- Definition

Represents the performance period of the entity, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Performance Condition Decrease, Net

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Last Day Trading Period

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No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Award Metrics

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No definition available.

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Target Percentage

+ References

No definition available.

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- Definition

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

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- Definition

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

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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).

+ References

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- Definition

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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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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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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Share-Based Compensation - Performance Restricted Stock Units Narrative (Details) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) metric shares	Dec. 31, 2022 USD ($) entity shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 shares
PRSUs
Share-based compensation
Number of restricted stocks units granted (in shares) \| shares	282	341	189
Net reduction in number of awards with performance against target (in shares) \| shares	305	285	56
Unvested restricted stock units outstanding (in shares) \| shares	60	371	388	333
PRSUs \| Executive and senior officers
Share-based compensation
Performance payout period	1 year	1 year
Number of metrics \| entity		3
Average share price trading period		20 days	20 days
Share price, last day in trading period		20 days	20 days
Requisite service period	5 years
Recognized share-based compensation expense \| $	$ 0.7	$ 1.2	$ 1.4
Unrecognized compensation cost, net of estimated forfeitures, related to restricted stock unit awards \| $	$ 0.2
Weighted-average period over which unrecognized compensation cost is expected to be recognized	1 year 6 months
Income tax benefit recognized on share-based compensation \| $	$ 0.8	$ 1.6	$ 1.4
Vesting period	4 years
PRSUs \| Executive and senior officers \| Minimum
Share-based compensation
Target award percentage	0.00%
PRSUs \| Executive and senior officers \| Maximum
Share-based compensation
Target award percentage	200.00%
PRSUs \| Executive Officer
Share-based compensation
Number of metrics \| metric	3
Restricted Stock Units
Share-based compensation
Number of restricted stocks units granted (in shares) \| shares	606	687	528
Unvested restricted stock units outstanding (in shares) \| shares	1,184	1,415	1,208	1,076
Recognized share-based compensation expense \| $	$ 4.9	$ 3.7	$ 3.5
Unrecognized compensation cost, net of estimated forfeitures, related to restricted stock unit awards \| $	$ 6.9
Weighted-average period over which unrecognized compensation cost is expected to be recognized	2 years 6 months
Vesting period	4 years
Restricted Stock Units \| Executive and senior officers
Share-based compensation
Dividend yield		0.00%