Variable Interest Entities and Joint Ventures (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
The condensed balance sheet of the consolidated JV
Cash	$ 611	$ 462
Restricted cash	504	503
Other assets	127	125
Land under development	15,406	19,092
Total assets	16,648	20,182
Debt	1,050	4,983
Accrued expenses	571	108
Equity	15,027	15,091
Total liabilities and equity	$ 16,648	$ 20,182