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Other-Than-Temporary Impairment Losses
3 Months Ended
Jun. 30, 2012
Investments In Available-For-Sale Securities [Abstract]  
Investments In Available-For-Sale Securities

NOTE 8 – Other-Than-Temporary Impairment Losses

     The following table summarizes gross unrealized losses and fair value, aggregated by investment category and length of time the investments have been in a continuous unrealized loss position, at June 30, 2012 and March 31, 2012:

    Less than 12 Months   12 Months or Longer   Total
    Fair   Unrealized   Fair Unrealized   Fair   Unrealized
    Value   Losses   Value Losses   Value   Losses
June 30, 2012: (In thousands)
Debt securities issued by states of the                        
United States and political subdivisions                        
of the states $ 9,024 $ 165 $ 1,517 $  24 $ 10,541 $ 189
Debt securities issued by the U.S. Treasury                      
and other U.S. government corporations                
and agencies -- -- -- -- -- --
Mortgage-backed securities 6,866   58   609 23   7,475   81
Total temporarily impaired securities $ 15,890 $ 223 $ 2,126 $ 47 $ 18,016 $ 270
Other-than-temporarily impaired securities                        
Mortgage-backed securities -- --   513   77   513   77
Total temporarily impaired and                      
other than temporarily impaired                        
securities $ 15,890 $ 223 $ 2,639 $ 124 $ 18,529 $ 347
 
 
March 31, 2012:                        
Debt securities issued by states of the                        
United States and political subdivisions                        
of the states $ 3,212 $ 37 $ -- -- $ 3,212 $ 37
Debt securities issued by the U.S. Treasury                        
and other U.S. government corporations                        
and agencies   11,219   240   1,502   51   12,721   291
Mortgage-backed securities   6,469   98   1,231   73   7,700   171
Total temporarily impaired securities   20,900   375   2,733   124   23,633   499
Other-than-temporarily impaired securities                        
Mortgage-backed securities -- --   372   82   372   82
Total temporarily impaired and                        
other than temporarily impaired                        
securities $ 20,900 $ 375 $ 3,105 $ 206 $ 24,005 $ 581

 

Management has assessed the securities which are classified as available-for-sale and in an unrealized loss position at June 30, 2012 and determined the decline in fair value below amortized cost to be temporary, except for those securities described below. In making this determination management considered the period of time the securities were in a loss position, the percentage decline in comparison to the securities' amortized cost, the financial condition of the issuer and the Company's ability and intent to hold these securities until their fair value recovers to their amortized cost. Management believes the decline in fair value is primarily related to the current interest rate environment and not to the credit deterioration of the individual issuer, except for those securities described below.

     Management evaluates securities for other-than-temporary impairment at least on a quarterly basis and more frequently when economic or market conditions warrant such evaluation. The investment securities portfolio is generally evaluated for other-than-temporary impairment under ASC 320-10, "Investments – Debt and Equity Securities." However, certain purchased beneficial interests, including non-agency mortgage-backed securities and pooled trust preferred securities are evaluated using ASC 325-40, "Beneficial Interests in Securitized Financial Assets."

     For those debt securities for which the fair value of the security is less than its amortized cost and the Company does not intend to sell such security and it is more likely than not that it will not be required to sell such security prior to the recovery of its amortized cost basis less any credit losses, ASC 320-10 requires that the credit component of the other-than-temporary impairment losses be recognized in earnings while the noncredit component is recognized in other comprehensive loss, net of related taxes.

     Activity related to the credit component recognized in earnings on debt securities held by the Company for which a portion of other-than-temporary impairment was recognized in other comprehensive income for the three months ended June 30, 2012 is as follows:

  Non-Agency
    Mortgage-Backed
    (In thousands)
Balance, April 1, 2012 $ 96
Additions for the credit component on debt securities    
in which other-than-temporary impairment was    
not previously recognized   17
 
Balance, June 30, 2012 $ 113

 

     In accordance with ASC 320-10, the Company estimated the portion of loss attributable to credit using a discounted cash flow model. Significant inputs for the non-agency mortgage-backed securities included the estimated cash flows of the underlying collateral based on key assumptions, such as default rate, loss severity and prepayment rate. Assumptions used can vary widely from loan to loan, and are influenced by such factors as loan interest rate, geographical location of the borrower, borrower characteristics and collateral type. The present value of the expected cash flows was compared to the Company's holdings to determine the credit-related impairment loss. Based on the expected cash flows derived from the model, the Company expects to recover the remaining unrealized losses on non-agency mortgage-backed securities. Significant assumptions used in the valuation of non-agency mortgage-backed securities were as follows as of June 30, 2012.

  Weighted   Range
  Average   Minimum   Maximum  
Prepayment rates 13.8 % 5.1 % 20.1 %
Default rates 11.3   5.4   19.9  
Loss severity 46.7   36.4   61.8