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Significant Accounting Policies and Significant Recent Accounting Pronouncements - Property, Equipment, and Leasehold Improvements - Depreciation and Amortization Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 28, 2026
Feb. 28, 2025
Depreciation and Amortization        
Depreciation and amortization expense $ 442 $ 425 $ 870 $ 858