Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Total revenue	$ 533,112	$ 482,738	$ 1,440,329	$ 1,306,038
Home construction and land sales expenses	441,788	410,974	1,207,023	1,107,681
Inventory impairments and abandonments	2,266	0	2,266	148,618
Gross profit	89,058	71,764	231,040	49,739
Commissions	20,851	18,230	55,660	49,965
General and administrative expenses	41,276	40,749	121,025	116,763
Depreciation and amortization	3,780	3,242	10,834	8,912
Operating income (loss)	23,151	9,543	43,521	(125,901)
Equity in income of unconsolidated entities	4	299	138	316
Gain on extinguishment of debt	0	358	0	574
Other expense, net	(2,904)	(755)	(6,030)	(1,134)
Income (loss) from continuing operations before income taxes	20,251	9,445	37,629	(126,145)
Expense (benefit) from income taxes	4,981	(2,180)	8,940	(44,260)
Income (loss) from continuing operations	15,270	11,625	28,689	(81,885)
Loss from discontinued operations, net of tax	(82)	(23)	(141)	(64)
Net income (loss)	$ 15,188	$ 11,602	$ 28,548	$ (81,949)
Weighted average number of shares:
Basic (in shares)	29,597	30,250	29,738	30,926
Diluted (in shares)	29,674	30,489	30,014	30,926
Basic income (loss) per share:
Continuing Operations (in dollars per share)	$ 0.51	$ 0.38	$ 0.96	$ (2.65)
Discontinued operations (in dollars per share)	0	0	0	0
Total (in dollars per share)	0.51	0.38	0.96	(2.65)
Diluted income (loss) per share:
Continuing operations (in dollars per share)	0.51	0.38	0.95	(2.65)
Discontinued operations (in dollars per share)	0	0	0	0
Total (in dollars per share)	$ 0.51	$ 0.38	$ 0.95	$ (2.65)