Quarterly report pursuant to Section 13 or 15(d)

REAL ESTATE SECURITIES (Real Estate Securities Holdings) (Details)

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REAL ESTATE SECURITIES (Real Estate Securities Holdings) (Details)
$ in Thousands
 9 Months Ended
Sep. 30, 2017
USD ($)
security
Dec. 31, 2016
USD ($)
Schedule of Available-for-sale Securities [Line Items]    
Outstanding Face Amount $ 4,000  
Before Impairment - Amortized Cost Basis 2,410  
Other-Than-Temporary Impairment - Amortized Cost Basis (1,521)  
After Impairment - Amortized Cost Basis 889  
Gross Unrealized Gains 1,347  
Gross Unrealized Losses 0  
Carrying Value $ 2,236 $ 629,254
Number of securities (in securities) | security 1  
Total outstanding face amount of floating rate securities $ 4,000  
ABS - Non-Agency RMBS    
Schedule of Available-for-sale Securities [Line Items]    
Outstanding Face Amount 4,000  
Before Impairment - Amortized Cost Basis 2,410  
Other-Than-Temporary Impairment - Amortized Cost Basis (1,521)  
After Impairment - Amortized Cost Basis 889  
Gross Unrealized Gains 1,347  
Gross Unrealized Losses 0  
Carrying Value $ 2,236  
Number of securities (in securities) | security 1  
Weighted Average Rating CCC  
Weighted Average Coupon (as percent) 1.63%  
Weighted Average Yield (as percent) 22.61%  
Weighted Average Life 7 years 6 months 1 day  
Weighted Average Principal Subordination (as percent) 31.40%