Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income	$ 15,456	$ 16,376
Distributed and undistributed earnings on restricted shares	(723)	(817)
Income available to stockholders	14,733	15,559
Common
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income	11,810	12,456
Distributed and undistributed earnings on restricted shares	(513)	(517)
Income available to stockholders	$ 11,297	$ 11,939
Weighted Average Shares Outstanding (Denominator)	9,919,000	9,844,000
Basic EPS	$ 1.14	$ 1.21
Effect of dilution - Net Income	$ 3,436	$ 3,620
Net income assuming dilution	$ 14,733	$ 15,559
Effect of dilution - Shares	4,008,000	3,967,000
Diluted Common (in shares)	13,927,000	13,811,000
Diluted EPS	$ 1.06	$ 1.13
Dividend Distribution Percentage	133.33%
Dividend Distribution Percentage Increase	33.33%
Common Stock, Voting Rights	one
Common | Restricted Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	331,104	263,049
Class B
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income	$ 3,646	$ 3,920
Distributed and undistributed earnings on restricted shares	(210)	(300)
Income available to stockholders	$ 3,436	$ 3,620
Weighted Average Shares Outstanding (Denominator)	4,008,000	3,967,000
Basic EPS	$ 0.86	$ 0.91
Effect of dilution - Net Income	$ 0	$ 0
Net income assuming dilution	$ 3,436	$ 3,620
Effect of dilution - Shares	0	0
Diluted Common (in shares)	4,008,000	3,967,000
Diluted EPS	$ 0.86	$ 0.91
Common Stock, Voting Rights	ten
Class B | Restricted Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)	175,944	125,326