Unaudited Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Total revenue	$ 344,449	$ 265,764
Home construction and land sales expenses	285,511	230,546
Inventory impairments and abandonments	1,356	0
Gross profit	57,582	35,218
Commissions	13,774	10,926
General and administrative expenses	31,669	31,441
Depreciation and amortization	2,991	2,341
Operating income (loss)	9,148	(9,490)
Equity in income of unconsolidated entities	60	142
Loss on extinguishment of debt	(828)	0
Other expense, net	(6,565)	(9,434)
(Loss) income before income taxes	1,815	(18,782)
Expense (benefit) from income taxes	616	(696)
Income (loss) from continuing operations	1,199	(18,086)
Loss from discontinued operations, net of tax	(200)	(4,254)
Net income (loss)	$ 999	$ (22,340)
Weighted average number of shares:
Basic (shares)	31,757	26,457
Diluted (shares)	31,844	26,457
Basic income (loss) per share:
Continuing operations (in dollars per share)	$ 0.04	$ (0.68)
Discontinued operations (in dollars per share)	(0.01)	(0.16)
Total (in dollars per share)	0.03	(0.84)
Diluted income (loss) per share
Continuing operations (in dollars per share)	0.04	(0.68)
Discontinued operations (in dollars per share)	(0.01)	(0.16)
Total (in dollars per share)	$ 0.03	$ (0.84)
Change in unrealized loss related to available-for-sale securities	$ 0	$ 206
Comprehensive income (loss)	$ 999	$ (22,134)