Percentage employer matches of employee contribution.

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

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

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

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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- Definition

Number of shares issued under share-based payment arrangement.

+ References

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Stock and Other Incentive Plans - Salary Deferral Plan Narrative (Details) - Salary Deferral Plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum salary deferral for officers under the plan, percent	50.00%
Shares issued under the plan (in shares)	31,792	17,381	21,396
Accelerated stock compensation expense	$ 0.9	$ 0.9	$ 0.9
Deferral Option One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Employer matching contribution, percent	30.00%
Deferral Option Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years
Employer matching contribution, percent	50.00%
Deferral Option Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	8 years
Employer matching contribution, percent	100.00%