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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Awards, Cumulative Grants to Date

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Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise.

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Amount of cost not yet recognized for nonvested award 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 cash inflow from exercise of option under share-based payment arrangement.

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

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Value, before forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Stock-Based Compensation - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
	Feb. 29, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from stock options exercised		$ 0	$ 0	$ 1,000,000
Value of shares withheld in lieu of receiving cash			1,500,000	600,000
Tax benefit from stock options exercised			$ 100,000	$ 200,000
Restricted stock granted (in shares)		340,000	262,000	156,000
Term of plans / awards		10 years
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized pre-tax stock-based compensation expense		$ 2,400,000
Unrecognized pre-tax stock-based compensation expense, period for recognition		1 year 9 months 18 days
Term of plans / awards		10 years
Stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Non-vested restricted stock award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized pre-tax stock-based compensation expense		$ 6,400,000
Unrecognized pre-tax stock-based compensation expense, period for recognition		1 year 7 months 6 days
Non-vested restricted stock award \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Non-vested restricted stock award \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Stock appreciation rights and performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted to date (in shares)		0
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Certain executive employees \| Non-vested restricted stock award \| Subsequent event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	116,000
Vesting period	3 years
Grant date fair value	$ 1,000,000
Certain executive employees \| Non-vested restricted stock award \| Vesting on February 12, 2021 \| Subsequent event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights percentage	33.33%
Certain executive employees \| Non-vested restricted stock award \| Vesting quarterly thereafter \| Subsequent event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights percentage	8.33%
Certain executive employees \| Performance Shares \| Subsequent event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	116,001
Vesting period	3 years