Selected Account Information - Schedule of Selling, General and Administrative Expenses (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Selected Account Information [Abstract]
Taxes and permits	$ 2,969,000	$ 2,418,000	$ 8,392,000	$ 7,015,000
Advertising and marketing	3,284,000	2,460,000	8,685,000	7,091,000
Supplies and services	2,865,000	2,068,000	7,946,000	6,223,000
Insurance	2,718,000	2,481,000	7,538,000	7,357,000
Legal	754,000	328,000	3,035,000	2,286,000
Lease	1,836,000	1,736,000	5,363,000	4,948,000
Charge card fees	1,792,000	1,829,000	5,372,000	4,626,000
Utilities	1,443,000	1,151,000	4,067,000	3,194,000
Security	1,523,000	1,081,000	3,995,000	3,218,000
Stock-based compensation	470,000	0	2,117,000	0
Accounting and professional fees	1,050,000	818,000	3,225,000	2,786,000
Repairs and maintenance	1,367,000	960,000	3,738,000	2,588,000
Other	1,732,000	2,242,000	5,088,000	5,163,000
Total selling, general and administrative expenses	$ 23,803,000	$ 19,572,000	$ 68,561,000	$ 56,495,000