Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVES (Schedule of (Gains) Losses Recorded In Relation to Derivatives) (Details 1)

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DERIVATIVES (Schedule of (Gains) Losses Recorded In Relation to Derivatives) (Details 1) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Derivative [Line Items]    
Deferred hedge gain reclassified from Accumulated Other Comprehensive Income (“AOCI”) into earnings $ 5,434 $ 13,534
Realized (gain) loss on settlement of TBAs, net (2,474) 7,536
Not designated as hedging instrument | Realized/unrealized (gain) loss on investments | Interest rate swap    
Derivative [Line Items]    
Unrealized loss on interest rate derivatives 120 0
Not designated as hedging instrument | Realized/unrealized (gain) loss on investments | Other Contract    
Derivative [Line Items]    
Unrealized loss recognized related to TBAs 2,382 341
Realized (gain) loss on settlement of TBAs, net (2,474) 7,536
Reclassification from AOCI into earnings | Net realized (gain) loss on derivatives designated as cash flow hedges    
Derivative [Line Items]    
Deferred hedge gain reclassified from Accumulated Other Comprehensive Income (“AOCI”) into earnings 0 (20)
Reclassification from AOCI into earnings | Cash flow hedges | Designated as hedging instrument | Net realized (gain) loss on derivatives designated as cash flow hedges | Interest expense    
Derivative [Line Items]    
Deferred hedge gain reclassified from Accumulated Other Comprehensive Income (“AOCI”) into earnings $ 0 $ (20)