Share-Based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Vested Target

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term for Expected Volatility Rate

+ 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

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

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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

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

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- Definition

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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- 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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- 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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Expected term of 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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Number of new stock issued during the period.

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Stock Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	552,509	543,505	552,509	543,505	524,570			526,074
Share-based compensation expense	$ 0.8	$ 0.9	$ 2.4	$ 2.8
Unrecognized compensation cost	$ 3.6	$ 4.9	$ 3.6	4.9
Unrecognized compensation cost, period for recognition			1 year 8 months 12 days
Fair value of vested shares			$ 2.1	$ 3.0
Requisite service period			3 years
Shares vested (in shares)			246,917	244,015
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	450,600	351,974	450,600	351,974	351,974			263,708
Shares vested (in shares)			157,763	131,094
DSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	110,772		110,772		0
Share-based compensation expense	$ 0.1		$ 0.1
Unrecognized compensation cost	$ 0.6		$ 0.6
Unrecognized compensation cost, period for recognition			8 months 12 days
2017 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares that may be issued (in shares)	10,792,500		10,792,500
Shares available for grant (in shares)	5,089,232		5,089,232		6,249,922
2017 Incentive Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	552,509		552,509		524,570
2017 Incentive Plan \| Performance Share Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares)	1,879,052		1,879,052		1,802,352
Share-based compensation expense	$ 1.0	$ 1.5	$ 2.7	$ 3.3
Unrecognized compensation cost	$ 4.4	$ 6.4	$ 4.4	6.4
Unrecognized compensation cost, period for recognition			1 year 7 months 6 days
Fair value of vested shares			$ 3.6	$ 2.0
Fair value, expected term			3 years
Fair value, expected term for volatility rate			3 years
Award vesting period						3 years	3 years
Shares vested (in shares)			441,973	161,577
Vested shares target (in shares)	350,886	201,978	350,886	201,978
2017 Incentive Plan \| RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares)	450,600		450,600		351,974
Share-based compensation expense	$ 0.6	$ 0.6	$ 1.5	$ 1.4
Unrecognized compensation cost	$ 2.9	$ 2.7	$ 2.9	2.7
Unrecognized compensation cost, period for recognition			1 year 9 months 18 days
Fair value of vested shares			$ 1.3	$ 1.4
Requisite service period			3 years
Shares vested (in shares)			157,763	131,094
2017 Incentive Plan \| DSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares)	110,772		110,772
2017 Incentive Plan \| Share-Based Payment Arrangement, Employee \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)					1,204,781
2017 Incentive Plan \| Director \| Share-Based Payment Arrangement, Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)			301,472		301,472
2017 Incentive Plan \| Employee \| Share-Based Payment Arrangement, Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)			1,479,637