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Note 4 - Debt and Equity Securities (Tables)
9 Months Ended
Sep. 30, 2014
Note 4 - Debt and Equity Securities (Tables) [Line Items]  
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
    Amortized
Cost
    Fair Value     Gross
Unrealized
Gains
    Gross
Unrealized
Losses
 
    (In thousands)  
Corporate   $ 100,611     $ 101,490     $ 1,507     $ 628  
Municipals     143,450       146,086       2,819       183  
Mutual funds     26,974       26,974       -       -  
Other     16,388       13,618       -       2,770  
Total other securities     287,423       288,168       4,326       3,581  
REMIC and CMO     497,457       495,375       5,705       7,787  
GNMA     14,617       14,839       430       208  
FNMA     173,048       170,943       1,399       3,504  
FHLMC     15,031       15,052       143       122  
Total mortgage-backed securities     700,153       696,209       7,677       11,621  
Total securities available for sale   $ 987,576     $ 984,377     $ 12,003     $ 15,202  
   

Amortized

Cost

  Fair Value  

Gross

Unrealized

Gains

 

Gross

Unrealized

Losses

    (In thousands)
Corporate   $ 100,362     $ 101,711     $ 2,316     $ 967  
Municipals     127,967       123,423       93       4,637  
Mutual funds     21,565       21,565       -       -  
Other     18,160       14,935       -       3,225  
Total other securities     268,054       261,634       2,409       8,829  
REMIC and CMO     494,984       489,670       6,516       11,830  
GNMA     38,974       40,874       2,325       425  
FNMA     217,615       212,322       2,233       7,526  
FHLMC     13,297       13,290       226       233  
Total mortgage-backed securities     764,870       756,156       11,300       20,014  
Total securities available for sale   $ 1,032,924     $ 1,017,790     $ 13,709     $ 28,843  
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]
    Total   Less than 12 months   12 months or more
    Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

    (In thousands)
Corporate   $ 39,373     $ 628     $ 9,529     $ 472     $ 29,844     $ 156  
Municipals     32,355       183       20,746       34       11,609       149  
Other     6,793       2,770       -       -       6,793       2,770  
Total other securities     78,521       3,581       30,275       506       48,246       3,075  
REMIC and CMO     266,921       7,787       114,949       1,379       151,972       6,408  
GNMA     8,581       208       -       -       8,581       208  
FNMA     114,411       3,504       19,805       134       94,606       3,370  
FHLMC     11,905       122       4,987       45       6,918       77  
Total mortgage-backed securities     401,818       11,621       139,741       1,558       262,077       10,063  
Total securities available for sale   $ 480,339     $ 15,202     $ 170,016     $ 2,064     $ 310,323     $ 13,138  
    Total   Less than 12 months   12 months or more 
    Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

    (In thousands)
Corporate   $ 39,033     $ 967     $ 39,033     $ 967     $ -     $ -  
Municipals     100,875       4,637       95,958       4,187       4,917       450  
Other     6,337       3,225       -       -       6,337       3,225  
Total other securities     146,245       8,829       134,991       5,154       11,254       3,675  
                                                 
REMIC and CMO     298,165       11,830       279,743       10,650       18,422       1,180  
GNMA     9,213       425       9,213       425       -       -  
FNMA     139,999       7,526       131,248       6,654       8,751       872  
FHLMC     7,478       233       7,478       233       -       -  
Total mortgage-backed  securities     454,855       20,014       427,682       17,962       27,173       2,052  
Total securities available for sale   $ 601,100     $ 28,843     $ 562,673     $ 23,116     $ 38,427     $ 5,727  
Schedule of Unrealized Loss on Investments [Table Text Block]
(in thousands)   Amortized Cost   Fair Value   Gross Unrealized
Losses Recorded
In AOCI
  Ending Credit
Loss Amount
                                 
Trust preferred securities   $ 9,262     $ 6,500     $ 2,762     $ 3,738  
                                 
Total   $ 9,262     $ 6,500     $ 2,762     $ 3,738  
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]
   

For the three months ended

September 30,

 

For the nine months ended

September 30,

    2014   2013   2014   2013
  (In thousands)
Beginning balance   $ 3,738     $ 6,193     $ 3,738     $ 6,178  
Recognition of actual losses     -       (186 )     -       (674 )
OTTI charges due to credit loss recorded in earnings     -       916       -       1,419  
Securities sold during the period     -       -       -       -  
Securities where there is an intent to sell or requirement to sell     -       -       -       -  
Ending balance   $ 3,738     $ 6,923     $ 3,738     $ 6,923  
Investments Classified by Contractual Maturity Date [Table Text Block]
   

Amortized

Cost

  Fair Value
    (In thousands)
         
Due in one year or less   $ 46,317     $ 46,369  
Due after one year through five years     35,658       37,094  
Due after five years through ten years     68,741       68,245  
Due after ten years     136,707       136,460  
                 
Total other securities     287,423       288,168  
Mortgage-backed securities     700,153       696,209  
                 
Total securities available for sale   $ 987,576     $ 984,377  
Realized Gain (Loss) on Investments [Table Text Block]
   

For the three months ended

September 30,

 

For the nine months ended

September 30,

    2014   2013   2014   2013
    (In thousands)
Gross gains from the sale of securities   $ 5,247     $ 96     $ 5,247     $ 3,313  
Gross losses from the sale of securities     (31 )     -       (31 )     (341 )
                                 
Net gains from the sale of securities   $ 5,216     $ 96     $ 5,216     $ 2,972  
Trust Preferred Securities [Member]
 
Note 4 - Debt and Equity Securities (Tables) [Line Items]  
Available-for-sale Securities [Table Text Block]
                        Deferrals/Defaults    

Issuer

Type

  Class  

Performing

Banks

 

Amortized

Cost

 

Fair

Value

 

Cumulative

Credit Related

OTTI

 

Actual as a

Percentage

of Original

Security

 

Expected

Percentage

of Performing

Collateral

 

Current

Lowest

Rating

(Dollars in thousands)

                                 
Single issuer     n/a       1     $ 300     $ 293     $ -       None       None       BB-  
Pooled issuer     B1       15       5,617       3,200       2,383       22.5 %     0.0 %     C  
Pooled issuer     C1       16       3,645       3,300       1,355       17.9 %     0.0 %     C  
Total                   $ 9,562     $ 6,793     $ 3,738