Discontinued Operations - Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of tax	$ (325)	$ (46)	$ (447)	$ (4,236)
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue	0	750	0	1,030
Home construction and land sales expenses	395	901	647	4,957
Gross loss	(395)	(151)	(647)	(3,927)
General and administrative expenses	111	(104)	58	314
Operating loss	(506)	(47)	(705)	(4,241)
Other expense, net	0	(1)	0	0
Loss from discontinued operations before income taxes	(506)	(48)	(705)	(4,241)
Benefit from income taxes	(181)	(2)	(258)	(5)
Loss from discontinued operations, net of tax	$ (325)	$ (46)	$ (447)	(4,236)
Litigation settlement cost				$ 3,700