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Stock Compensation Plans (Tables) | 9 Months Ended
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Jun. 30, 2025
Share-Based Payment Arrangement, Noncash Expense [Abstract] |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | Stock option activity for the nine months ended June 30, 2025 and 2024, is summarized as follows:
| Nine Months Ended June 30, 2025 |  | Nine Months Ended June 30, 2024
| Number of Shares |  | Weighted Average Exercise Price |  | Number of Shares |  | Weighted Average Exercise Price
Options outstanding, beginning of period | 306,240 |  |  | $ | 25.21 |  |  | 369,150 |  |  | $ | 24.00 |
Exercised | (41,960) |  |  | 19.47 |  |  | (30,200) |  |  | 13.07 |
Forfeited | (11,300) |  |  | 28.41 |  |  | (16,560) |  |  | 26.98 |
Options outstanding, end of period | 252,980 |  |  | $ | 26.02 |  |  | 322,390 |  |  | $ | 24.87 |
|  | Nine Months Ended June 30, 2025 |  | Nine Months Ended June 30, 2024
|  | Number of Unvested Shares |  | Weighted Average Grant Date Fair Value |  | Number of Unvested Shares |  | Weighted Average Grant Date Fair Value
Restricted stock outstanding beginning of period |  | 49,015 |  |  | $ | 29.28 |  |  | 26,150 |  |  | $ | 27.37 |
Forfeited |  | (1,830) |  |  | 28.70 |  |  | — |  |  | — |
Vested |  | (200) |  |  | 27.37 |  |  | — |  |  | — |
Restricted stock outstanding end of period |  | 46,985 |  |  | $ | 29.31 |  |  | 26,150 |  |  | $ | 27.37 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | Additional information regarding options outstanding at June 30, 2025, is as follows:
|  |  |  | Options Outstanding |  | Options Exercisable
Range of Exercise Prices ($) |  | Number |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |  | Number |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years)
10.26 | - | 10.71 |  | 4,750 |  |  | $ | 10.71 |  |  | 0.3 |  | 4,750 |  |  | $ | 10.71 |  |  | 0.3
15.67 | - | 19.13 |  | 47,550 |  |  | 16.55 |  |  | 4.2 |  | 37,720 |  |  | 16.46 |  |  | 3.9
26.50 | - | 27.40 |  | 82,960 |  |  | 27.32 |  |  | 6.3 |  | 46,960 |  |  | 27.26 |  |  | 5.6
28.23 | - | 29.69 |  | 89,000 |  |  | 28.80 |  |  | 4.7 |  | 66,000 |  |  | 28.99 |  |  | 4.2
31.80 | - | 33.40 |  | 28,720 |  |  | 31.86 |  |  | 3.4 |  | 28,120 |  |  | 31.35 |  |  | 3.3
|  |  |  | 252,980 |  |  | $ | 26.02 |  |  | 4.9 |  | 183,550 |  |  | $ | 25.93 |  |  | 4.2

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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