Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS (Significant Observable Inputs) (Details)

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Significant Observable Inputs) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Amortized Cost Basis $ 817  
Real estate securities, available-for-sale $ 2,032 $ 1,950
Discount Rate (as percent) 12.00%  
Prepayment Speed (as percent) 4.60%  
Cumulative Default Rate (as percent) 4.20%  
Loss Severity (as percent) 64.90%  
ABS - Non-Agency RMBS    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Amortized Cost Basis $ 817  
Real estate securities, available-for-sale 2,032  
Real Estate Securities Available For Sale    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Amortized Cost Basis 817  
Real estate securities, available-for-sale 2,032  
Real Estate Securities Available For Sale | ABS - Non-Agency RMBS    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Amortized Cost Basis 817  
Real estate securities, available-for-sale $ 2,032