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Represents the percentage of target stock award granted based on the Management's expectations of performance.

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

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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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Amount of cost to be recognized for option under share-based payment arrangement.

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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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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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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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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

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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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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Share-Based Compensation - Additional information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Oct. 29, 2020
Employee Stock Purchase Plan
Additional disclosures
Compensation expense	$ 172,000	$ 163,000	$ 165,000
Employee Stock Purchase Plan
Number of shares of common stock registered in connection with the establishment of an Employee Stock Purchase Plan	363,825			1,400,000
Requisite age of employees to be eligible to participate in the plan	21 years
Requisite service period to be eligible to participate in the plan	6 months
Employee stock purchases (in shares)	38,026	43,356	38,491
Minimum \| Employee Stock Purchase Plan
Employee Stock Purchase Plan
Shares available for issuance under the plan	1,300,000
Maximum \| Employee Stock Purchase Plan
Employee Stock Purchase Plan
Estimated subscription date fair value (as a percent)	95.00%
Employee Stock Option
Additional disclosures
Total unrecognized compensation cost related to non vested stock option grants	$ 0	$ 0	$ 0
Total fair value of shares vested during the period	0	0	0
Compensation expense	$ 0	0	0
Restricted Stock
Additional disclosures
Weighted-average period over which unrecognized compensation cost is expected to be recognized	1 month 2 days
Compensation expense	$ 532,000	$ 1,800,000	$ 3,800,000
Restricted Stock Activity
Granted (in shares)	0	0	0
Vested (in shares)	11,349
Additional disclosures
Total unrecognized compensation cost related to nonvested restricted stock and RSUs granted	$ 35,000
Total fair value of shares vested during the period	999,000	$ 2,400,000	$ 2,500,000
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 999,000	2,400,000	2,500,000
Restricted Stock \| Minimum
Additional disclosures
Vesting period	2 years
Restricted Stock \| Maximum
Additional disclosures
Vesting period	4 years
Restricted Stock Units
Additional disclosures
Weighted-average period over which unrecognized compensation cost is expected to be recognized	10 months 17 days
Vested during the reporting period, but have not been released and are subject to holding period	61,863
Equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period	222,140
Additional shares authorized	80,789
Compensation expense	$ 27,300,000	$ 34,000,000	$ 31,700,000
Restricted Stock Activity
Granted (in shares)	374,207	398,655	338,500
Vested (in shares)	395,412
Weighted-Average Grant-Date Fair Value
Granted (in dollars per share)	$ 80.82
Additional disclosures
Total unrecognized compensation cost related to nonvested restricted stock and RSUs granted	$ 22,200,000
Total fair value of shares vested during the period	$ 33,100,000	$ 32,600,000	$ 30,000,000
Target RSU award level (as a percent)	1.00%
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 33,100,000	$ 32,600,000	$ 30,000,000
Restricted Stock Units \| Annual Incentive Deferral Grant Plan 2022
Additional disclosures
Equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period	119,995
Restricted Stock Units \| Maximum
Additional disclosures
Vesting period	12 months
Performance based restricted stock units
Additional disclosures
Performance period	3 years
Performance based restricted stock units \| 2022 LTI
Additional disclosures
Equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period	102,145
Additional shares authorized	31,815
Other Performance based restricted stock units \| Minimum
Additional disclosures
Performance period	1 year
Other Performance based restricted stock units \| Maximum
Additional disclosures
Performance period	2 years
Timed based restricted stock units \| Minimum
Additional disclosures
Performance period	2 years
Timed based restricted stock units \| Maximum
Additional disclosures
Performance period	4 years