Discontinued Operations - Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of tax	$ (70)	$ (200)
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue	0	0
Home construction and land sales expenses	78	308
Gross loss	(78)	(308)
General and administrative expenses	31	2
Loss from discontinued operations before income taxes	(109)	(310)
Benefit from income taxes	(39)	(110)
Loss from discontinued operations, net of tax	$ (70)	$ (200)