CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Total revenue	$ 2,371,555	$ 2,330,197	$ 2,206,785
Home construction and land sales expenses	2,021,082	1,903,907	1,763,449
Inventory impairments and abandonments	12,959	1,996	641
Gross profit	337,514	424,294	442,695
Commissions	76,911	80,056	73,450
General and administrative expenses	204,830	186,345	179,794
Depreciation and amortization	19,168	14,867	12,198
Operating income	36,605	143,026	177,253
Loss on extinguishment of debt, net	0	(437)	(546)
Other income, net	4,245	16,496	5,939
Income from continuing operations before income taxes	40,850	159,085	182,646
(Benefit) expense from income taxes	(4,738)	18,910	23,958
Income from continuing operations	45,588	140,175	158,688
Loss from discontinued operations, net of tax	0	0	(77)
Net income	$ 45,588	$ 140,175	$ 158,611
Weighted-average number of shares:
Basic (in shares)	29,758	30,548	30,353
Diluted (in shares)	30,011	30,953	30,747
Basic income per share:
Continuing operations (in dollars per share)	$ 1.53	$ 4.59	$ 5.23
Discontinued operations (in dollars per share)	0	0	0
Total (in dollars per share)	1.53	4.59	5.23
Diluted income per share:
Continuing operations (in dollars per share)	1.52	4.53	5.16
Discontinued operations (in dollars per share)	0	0	0
Total (in dollars per share)	$ 1.52	$ 4.53	$ 5.16