Organization and Summary of Significant Accounting Policies - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in store expenses	$ (148,119)	$ (111,067)	$ (274,891)	$ (222,003)
General and administrative expense	$ 34,488	25,100	$ 61,231	49,284
Revision of Prior Period, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in store expenses		5,500		11,000
General and administrative expense		$ 5,500		$ 11,000