Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 57,584	$ 58,678
Less: Accumulated Depreciation	(40,018)	(39,540)
Property and equipment, net	17,566	19,138
Model furnishings and sales office improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	28,589	28,036
Information systems
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,326	14,326
Furniture, fixtures and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,971	12,247
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,698	$ 4,069