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Stock-Based Compensation (Narrative) (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
May 13, 2019 | Oct. 16, 2013 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | May 08, 2023
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Stock-Based Compensation expense |  |  | $ 0 | $ 0 | $ 0 | $ 0 |  |
Stock options granted |  |  |  |  | 0 |  | 0 |
Stock options outstanding |  |  | 0 |  | 0 |  |  |
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 |  |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Stock-Based Compensation expense |  |  | $ 250,000 | 1,049,000 | $ 743,000 | 1,726,000 |  |
Recognized tax benefits |  |  | $ 66,000 | 41,000 | $ 195,000 | 115,000 |  |
Restricted Stock | Former Shareholder |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Increase in expense due to vesting of stock |  |  |  | $ 700,000 |  | $ 700,000 |  |
Class A Common Stock | Incentive Compensation Plan 2023 |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  | 600,000
Class A Common Stock | Stock Option |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  | 990,000 |  |  |  |  |  |
Class A Common Stock | Incentive Compensation Plan |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  | 620,000 |  |  |  |  |  |
Class A Common Stock | Convert For Class B |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  | 370,000 |  |  |  |  |  |
Class B Common Stock |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Increase in number of common stock shares authorized | 90,000 |  |  |  |  |  |  |
Class B Common Stock | Stock Option |  |  |  |  |  |  |  |
Stock Based Compensation [Abstract] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  | 370,000 |  |  |  |  |  |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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