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Stock-Based Compensation (Narrative) (Details) - USD ($)			3 Months Ended		9 Months Ended
	May 13, 2019	Oct. 16, 2013	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	May 08, 2023
Stock Based Compensation [Abstract]
Stock options exercise price description		could not be exercised at a price which was less than 100% of the fair market value of shares at the date of grant
Stock-Based Compensation expense			$ 0	$ 0	$ 0	$ 0
Stock options granted					0	0
Stock options outstanding			0		0
Restricted Stock
Stock Based Compensation [Abstract]
Stock-Based Compensation expense			$ 518,000	474,000	$ 1,648,000	$ 1,447,000
Recognized tax benefits			$ 136,000	$ 125,000	$ 433,000	$ 381,000
Class A Common Stock | Incentive Compensation Plan 2023
Stock Based Compensation [Abstract]
Number of shares issued							600,000
Class A Common Stock | Stock Option
Stock Based Compensation [Abstract]
Number of shares issued		990,000
Class A Common Stock | Incentive Compensation Plan
Stock Based Compensation [Abstract]
Number of shares issued		620,000
Class A Common Stock | Convert For Class B
Stock Based Compensation [Abstract]
Number of shares issued		370,000
Class B Common Stock
Stock Based Compensation [Abstract]
Increase in number of common stock shares authorized	90,000
Class B Common Stock | Maximum
Stock Based Compensation [Abstract]
Expiration period		10 years
Class B Common Stock | Stock Option
Stock Based Compensation [Abstract]
Number of shares issued		370,000

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Describes the stock options exercise price.

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

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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

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Number of options outstanding, including both vested and non-vested options.

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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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