Earnings Per Common Share and Share Awards (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Earnings Per Common Share And Share Awards [Line Items]
Anti-dilutive shares excluded from computation of diluted earnings per share	0	24
Number of stock options or SARs granted where exercise price was less than market price on date of grant	0	0
Options and SARs vested	7
Fair value of options and SARs vested	$ 394
Weighted-average fair values for SARs issued (dollars per share)	$ 64.00	$ 55.52
Compensation expense relating to SARs or options vesting	$ 393	$ 425
Total unrecognized compensation cost related to unvested share-based compensation arrangements granted under stock award plans	$ 301
Maximum
Earnings Per Common Share And Share Awards [Line Items]
Maximum shares of Company stock to be granted to key employees or directors	250
SARs
Earnings Per Common Share And Share Awards [Line Items]
Intrinsic values of options exercised	$ 595	$ 156
SARs \| Maximum
Earnings Per Common Share And Share Awards [Line Items]
Share-based compensation arrangement by share-based payment award, expiration period	7 years
Share-based compensation arrangement by share-based payment award, award Vesting period	5 years

Earnings Per Common Share And Share Awards [Line Items]

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- Definition

Number of stock options or SARs granted where exercise price was less than market price on date of grant.

+ References

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- Definition

Share-based Compensation Arrangement by Share-based Payments Award, Options And Equity Instruments Other Than Options Vested In Period

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- Definition

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

+ References

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-Name Accounting Standards Codification
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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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

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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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

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

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- Definition

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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