Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING (Debt Investments) (Details)

v3.7.0.1
SEGMENT REPORTING (Debt Investments) (Details)
Mar. 31, 2017
USD ($)
Segment Reporting Information [Line Items]  
Investments, Carrying Value $ 687,407,000
Debt Investments  
Segment Reporting Information [Line Items]  
Investments, Outstanding Face Amount 401,505,000
Investments, Carrying Value 407,589,000
Debt, Outstanding Face Amount 310,630,000
Debt, Carrying Value 310,630,000
Unlevered real estate securities  
Segment Reporting Information [Line Items]  
Investments, Outstanding Face Amount 4,000,000
Investments, Carrying Value 2,032,000
Unlevered real estate securities | Debt Investments  
Segment Reporting Information [Line Items]  
Debt, Outstanding Face Amount 0
Debt, Carrying Value 0
Levered real estate securities  
Segment Reporting Information [Line Items]  
Investments, Outstanding Face Amount 319,380,000
Investments, Carrying Value 326,878,000
Levered real estate securities | Debt Investments  
Segment Reporting Information [Line Items]  
Debt, Outstanding Face Amount 310,630,000
Debt, Carrying Value 310,630,000
Real estate related and other loans  
Segment Reporting Information [Line Items]  
Investments, Outstanding Face Amount 78,125,000
Investments, Carrying Value 59,043,000
Real estate related and other loans | Debt Investments  
Segment Reporting Information [Line Items]  
Debt, Outstanding Face Amount 0
Debt, Carrying Value 0
Other investments  
Segment Reporting Information [Line Items]  
Investments, Carrying Value 19,636,000
Other investments | Debt Investments  
Segment Reporting Information [Line Items]  
Debt, Outstanding Face Amount 0
Debt, Carrying Value $ 0