Inventory - Inventory Impairments and Lot Option Abandonment Charges, by Reportable Segment (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Real Estate, Write-down or Reserve [Line Items]
Inventory impairments and option contract abandonments	$ 880,000	$ 2,025,000	$ 911,000	$ 2,229,000
Inventory impairments and option contract abandonments	880,000	2,025,000	911,000	2,246,000
Continuing Operations
Real Estate, Write-down or Reserve [Line Items]
Development projects and homes in process (Held for Development)	0	0	0	59,000
Land Held for Sale	28,000	1,778,000	59,000	1,778,000
Lot Option Abandonments	852,000	247,000	852,000	392,000
Inventory impairments and option contract abandonments	880,000	2,025,000	911,000	2,229,000
Continuing Operations | Unallocated
Real Estate, Write-down or Reserve [Line Items]
Development projects and homes in process (Held for Development)	0	0	0	0
Lot Option Abandonments	0	0	0	0
Continuing Operations | West Segment
Real Estate, Write-down or Reserve [Line Items]
Development projects and homes in process (Held for Development)	0	0	0	46,000
Land Held for Sale	0	0	0	0
Lot Option Abandonments	0	30,000	0	104,000
Continuing Operations | East Segment
Real Estate, Write-down or Reserve [Line Items]
Development projects and homes in process (Held for Development)	0	0	0	13,000
Land Held for Sale	0	0	31,000	0
Lot Option Abandonments	0	(2,000)	0	20,000
Continuing Operations | Southeast Segment
Real Estate, Write-down or Reserve [Line Items]
Development projects and homes in process (Held for Development)	0	0	0	0
Land Held for Sale	28,000	1,778,000	28,000	1,778,000
Lot Option Abandonments	852,000	219,000	852,000	268,000
Discontinued Operations
Real Estate, Write-down or Reserve [Line Items]
Development projects and homes in process (Held for Development)	0	0	0	0
Land Held for Sale	0	0	0	17,000
Lot Option Abandonments	0	0	0	0
Inventory impairments and option contract abandonments	$ 0	$ 0	$ 0	$ 17,000