Stock-Based Compensation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Compensation expense related to the Plan	$ 25.5	$ 23.1	$ 20.4
Restricted Stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares ranted (in shares)	291,832	439,633	280,830
Period over which forfeiture and non-transferable restrictions lapse	4 years
Percentage over which unrecognized compensation cost is expected to be recognized year one	15.00%
Percentage over which unrecognized compensation cost is expected to be recognized year two	15.00%
Percentage over which unrecognized compensation cost is expected to be recognized year three	20.00%
Percentage over which unrecognized compensation cost is expected to be recognized year four	50.00%
Unrecognized compensation cost related to the restricted stock	$ 39.4
2015 Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Maximum number of shares authorized under the plan (in shares)	5,000,000
Number of shares of common stock available for grant under the plan (in shares)	4,174,086

Represents the percentage over which forfeiture and non-transferable restrictions generally lapse in year four.

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Represents the percentage over which forfeiture and non-transferable restrictions generally lapse in year one.

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No definition available.

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Represents the percentage over which forfeiture and non-transferable restrictions generally lapse in year three.

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Represents the percentage over which forfeiture and non-transferable restrictions generally lapse in year two.

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Represents the period over which forfeiture and non-transferable restrictions generally lapse.

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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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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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