INVESTMENTS IN UNCONSOLIDATED ENTITIES AND LOAN MANAGER (Narrative) (Details) $ in Thousands				6 Months Ended
	Jul. 02, 2015	Jun. 30, 2015 USD ($)	Apr. 17, 2012	Jun. 30, 2015 USD ($)	Jul. 31, 2015 Fund
Schedule of Equity Method Investments [Line Items]
Preferred equity interest retained as a percentage of incentive management fees		75.00%		75.00%
RRE Opportunity REIT I [Member]
Schedule of Equity Method Investments [Line Items]
Cost method investment		$ 2,500		$ 2,500
RRE Opportunity REIT II [Member]
Schedule of Equity Method Investments [Line Items]
Cost method investment		1,300		1,300
Pearlmark Real Estate Partners [Member]
Schedule of Equity Method Investments [Line Items]
Cost method investment		3,000		3,000
CVC Credit Partners [Member]
Schedule of Equity Method Investments [Line Items]
Cost method investment		6,800		$ 6,800
Percentage interest in limited partnership formed				33.00%
Percentage Interest In Limited Partnership, After Option				24.00%
Equity Method Investment, Other than Temporary Impairment		4,300
Innovation Office REIT [Member]
Schedule of Equity Method Investments [Line Items]
Cost method investment		$ 200		$ 200
CVC Credit Partners, L.P. [Member]
Schedule of Equity Method Investments [Line Items]
Irrevocable Option to Buy Interests in Joint Venture, Percentage				9.00%
Subsequent Event [Member]
Schedule of Equity Method Investments [Line Items]
Number of Fundraising, Funds | Fund					2
Limited Partner [Member] | CVC Credit Partners, L.P. [Member] | Parent Company [Member]
Schedule of Equity Method Investments [Line Items]
Percentage interest in limited partnership formed			33.00%
Limited Partner [Member] | Subsequent Event [Member] | CVC Credit Partners, L.P. [Member] | Parent Company [Member]
Schedule of Equity Method Investments [Line Items]
Percentage interest in limited partnership formed	24.00%
Irrevocable Option to Buy Interests in Joint Venture, Percentage	9.00%