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DISCLOSURES REGARDING FAIR VALUES OF FINANCIAL INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]  
Financial Instruments Other than Debt Securities

Fair value disclosures for financial instruments other than debt securities were as follows (in thousands):

 

     June 30, 2013      December 31, 2012  
     Carrying      Fair      Carrying      Fair  
     Amount      Value      Amount      Value  

Financial assets:

           

Residential mortgage loans

   $ 7,411       $ 7,500       $ 8,063       $ 8,200   

Interest rate swap agreements

     8,396         8,396         169         169   

Financial liabilities:

           

Repurchase arrangements with initial terms of greater than 120 days

     —           —           41,520         41,500   

Unsecured borrowings

     103,095         104,100         103,095         104,600   

Interest rate swap agreements

     11,097         11,097         32,868         32,868   
Fair Value and Related Disclosures for Debt Securities

Fair value and related disclosures for debt securities were as follows (in thousands):

 

     Amortized      Gross Unrealized         
     Cost Basis      Gains      Losses      Fair Value  

As of June 30, 2013

           

Agency Securities classified as available-for-sale

   $ 13,549,226       $ 269,266       $ 19,315       $ 13,799,177   

Residential mortgage securities classified as held-to-maturity

     4,909         242         —           5,151   

As of December 31, 2012

           

Agency Securities classified as available-for-sale

   $ 13,519,657       $ 328,412       $ 1,963       $ 13,846,106   

Residential mortgage securities classified as held-to-maturity

     5,989         309         —           6,298   
Securities in Unrealized Loss Position
   June 30, 2013      December 31, 2012  
     Fair
Value
     Unrealized
Loss
     Fair
Value
     Unrealized
Loss
 

Securities in an unrealized loss position:

           

One year or greater

   $ 24,761       $ 157       $ 29,760       $ 120   

Less than one year

     3,310,351         19,158         751,645         1,843   
  

 

 

    

 

 

    

 

 

    

 

 

 
   $ 3,335,112       $ 19,315       $ 781,405       $ 1,963