Investment in Unconsolidated Joint Ventures (Temco Associates, LLC) (Details) (Temco Associates, USD $)	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2013 Venture
Schedule of Equity Method Investments [Line Items]
Number of joint ventures (ventures)		2
Share of impairment charges	$ 14,600,000
Impairment losses	608,000
Cash balance of joint venture		$ 416,000
Forestar [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage of Partner in Joint Venture		50.00%
Residential Real Estate [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint ventures (ventures)		1