CT Legacy REIT (Details 8) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Book Value, net	$ 1,619	$ 19,282
CT Legacy REIT, Excluding Securitization Vehicles
Principal Balance		435,973
Book Value, net		206,514
Number of Loans		17
CT Legacy REIT, Excluding Securitization Vehicles | Senior Mortgages
Principal Balance		91,072
Book Value, net		77,896
Number of Loans		5
CT Legacy REIT, Excluding Securitization Vehicles | Senior Mortgages | Risk Rating 1-3
Principal Balance		27,503
Book Value, net		27,503
Number of Loans		1
CT Legacy REIT, Excluding Securitization Vehicles | Senior Mortgages | Risk Rating 4-5
Principal Balance		21,000
Book Value, net		20,976
Number of Loans		2
CT Legacy REIT, Excluding Securitization Vehicles | Senior Mortgages | Risk Rating 6-8
Principal Balance		42,569
Book Value, net		29,507
Number of Loans		2
CT Legacy REIT, Excluding Securitization Vehicles | Subordinated interests in mortgages
Principal Balance		122,555
Book Value, net		58,078
Number of Loans		6
CT Legacy REIT, Excluding Securitization Vehicles | Subordinated interests in mortgages | Risk Rating 1-3
Principal Balance		13,000
Book Value, net		13,000
Number of Loans		1
CT Legacy REIT, Excluding Securitization Vehicles | Subordinated interests in mortgages | Risk Rating 4-5
Principal Balance		24,531
Book Value, net		24,531
Number of Loans		1
CT Legacy REIT, Excluding Securitization Vehicles | Subordinated interests in mortgages | Risk Rating 6-8
Principal Balance		85,024
Book Value, net		20,547
Number of Loans		4
CT Legacy REIT, Excluding Securitization Vehicles | Mezzanine & Other Loans
Principal Balance		222,346
Book Value, net		70,450
Number of Loans		6
CT Legacy REIT, Excluding Securitization Vehicles | Mezzanine & Other Loans | Risk Rating 1-3
Principal Balance		51,437
Book Value, net		51,830
Number of Loans		3
CT Legacy REIT, Excluding Securitization Vehicles | Mezzanine & Other Loans | Risk Rating 4-5
Principal Balance		18,620
Book Value, net		18,620
Number of Loans		2
CT Legacy REIT, Excluding Securitization Vehicles | Mezzanine & Other Loans | Risk Rating 6-8
Principal Balance		152,289
Book Value, net
Number of Loans		1
CT Legacy REIT, Excluding Securitization Vehicles | Loans Receivable
Number of Loans		17
CT Legacy REIT, Excluding Securitization Vehicles | Loans Receivable | Risk Rating 1-3
Principal Balance		91,940
Book Value, net		92,333
Number of Loans		5
CT Legacy REIT, Excluding Securitization Vehicles | Loans Receivable | Risk Rating 4-5
Principal Balance		64,151
Book Value, net		64,127
Number of Loans		5
CT Legacy REIT, Excluding Securitization Vehicles | Loans Receivable | Risk Rating 6-8
Principal Balance		279,882
Book Value, net		$ 50,054
Number of Loans		7