Shareholders' Equity - Earnings Per Common Share - Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
EPS - basic and diluted:
Net Income (Loss)	$ 32,294	$ 14,951
Cumulative preferred stock dividend	(76)	(76)
Net income attributable to common shareholders for basic EPS computation	32,218	14,875
Net income attributable to common shareholders for diluted EPS computation	$ 32,218	$ 14,875
Earnings Per Common Share
Weighted average common shares outstanding for basic EPS computation (in shares)	4,861,590	4,861,590
Earnings per common share - basic (in dollars per share)	$ 6.63	$ 3.06
Weighted average common shares outstanding for diluted EPS computation (in shares)	4,901,590	4,901,590
Earnings per common share - diluted (in dollars per share)	$ 6.59	$ 3.05