Investments in Unconsolidated Real Estate Joint Ventures (Equity Investments In Unconsolidated Real Estate Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Mar. 31, 2013
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures	$ 9,707	$ 1,354
Altis at Kendall Square, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures	1,164	1,300	1,300
New Urban/BBX Development, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures	(11)	54
Sunrise and Bayview Partners, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures	1,745
Hialeah Communities, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures	4,860
PGA Design Center Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures	$ 1,949