Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period For Nonemployee Directors

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Amount of increase to additional paid-in capital (APIC) for recognition of cost for restricted stock unit 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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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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

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

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- Definition

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

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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award
Stock-based compensation expense	$ 2.4	$ 2.1
Restricted Stock and LTIP Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock granted (in shares)	415,142
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock granted, grant date fair value (in dollars per share)	$ 10.38
Employee restricted stock award, vesting period	6 years
Performance Shares \| Grant Date
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	40.00%
Performance Shares \| First Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	20.00%
Performance Shares \| Second Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	20.00%
Performance Shares \| Third Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	20.00%
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock surrendered, forfeited in period (in shares)	91,623
Employee restricted stock award, vesting period	2 years
Nonvested restricted shares outstanding (in shares)	434,222
Unrecognized compensation cost	$ 4.6
Unrecognized compensation cost, recognition period	69 months
Restricted Stock \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Employee restricted stock award, vesting period	3 years
Restricted Stock \| Non-Employee Director
Share-based Compensation Arrangement by Share-based Payment Award
Non-employee restricted stock award vest grant over period	1 year
Restricted Stock \| Grant Date
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	33.33%
Restricted Stock \| Grant Date \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	40.00%
Restricted Stock \| First Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	33.33%
Restricted Stock \| First Anniversary \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	20.00%
Restricted Stock \| Second Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	33.33%
Restricted Stock \| Second Anniversary \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	20.00%
Restricted Stock \| Third Anniversary \| Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	20.00%
Service Conditions
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock surrendered, forfeited in period (in shares)	4,150
Amended and Restated 2013 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares reserved for issuance (in shares)	3,400,000
Shares available for issuance (in shares)	1,155,595