INVESTMENTS IN UNCONSOLIDATED ENTITIES AND LOAN MANAGER (Investment Vehicles, Including the Range of Interests it Owns) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 21,168	$ 17,553
Real estate investment entities
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 13,717	10,169
Real estate investment entities | Minimum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	1.00%
Real estate investment entities | Maximum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	8.00%
Financial fund management partnerships
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 6,700	6,754
Financial fund management partnerships | Minimum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	0.01%
Financial fund management partnerships | Maximum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%
Trapeza entities
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 751	$ 630
Trapeza entities | Minimum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	33.00%
Trapeza entities | Maximum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%