Summary of the unconsolidated subsidiaries and investees as follows (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Real estate, net of accumulated depreciation,	$ 12,343	$ 115,641	$ 120,544
Notes receivable,	6,192	5,665	4,951
Other assets,	32,145	41,305	42,997
Notes payable,	(13,824)	(86,144)	(90,227)
Other liabilities,	(7,443)	(17,885)	(14,578)
Shareholders equity / partners capital,	$ (29,413)	$ (58,582)	$ (63,687)