CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Total revenue	$ 595,682	$ 572,544	$ 1,524,040	$ 1,561,380
Home construction and land sales expenses	492,178	455,485	1,240,953	1,255,356
Inventory impairments and abandonments	200	315	200	616
Gross profit	103,304	116,744	282,887	305,408
Commissions	21,233	19,473	52,764	51,883
General and administrative expenses	49,655	46,464	135,645	129,891
Depreciation and amortization	3,892	2,907	9,698	8,440
Operating income	28,524	47,900	84,780	115,194
Loss on extinguishment of debt, net	0	(18)	(437)	(533)
Other income, net	1,136	2,176	14,136	3,759
Income from continuing operations before income taxes	29,660	50,058	98,479	118,420
Expense from income taxes	2,452	6,241	10,372	15,488
Income from continuing operations	27,208	43,817	88,107	102,932
Income (loss) from discontinued operations, net of tax	2	0	2	(77)
Net income	$ 27,210	$ 43,817	$ 88,109	$ 102,855
Weighted-average number of shares:
Basic (in shares)	30,513	30,395	30,625	30,335
Diluted (in shares)	30,935	30,860	31,017	30,649
Basic income per share:
Continuing operations (in USD per share)	$ 0.89	$ 1.44	$ 2.88	$ 3.39
Discontinued operations (in USD per share)	0	0	0	0
Total (in USD per share)	0.89	1.44	2.88	3.39
Diluted income per share:
Continuing operations (in USD per share)	0.88	1.42	2.84	3.36
Discontinued operations (in USD per share)	0	0	0	0
Total (in USD per share)	$ 0.88	$ 1.42	$ 2.84	$ 3.36