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Note 7 - Investment Securities (Tables)
9 Months Ended
Sep. 30, 2013
Note 7 - Investment Securities (Tables) [Line Items]  
Schedule of Unrealized Loss on Investments [Table Text Block]

September 30, 2013

                                                       
           

Less than 12 months

   

12 months or longer

   

Total

 

No. of

securities

   

Fair

value

   

Unrealized

losses

   

Fair

value

   

Unrealized

losses

   

Fair

value

   

Unrealized

losses

 

U.S. Government agency securities

    42     $ 52,839     $ 1,309     $ 977     $ 27     $ 53,816     $ 1,336  

State and municipal securities

    81       34,967       1,270       1,442       81       36,409       1,351  

U.S. Government agencies and sponsored enterprises (GSEs):

                                                       

Mortgage-backed securities

    46       67,691       1,693       -       -       67,691       1,693  

Collateralized mortgage obligations (CMOs)

    43       43,399       1,639       9,122       319       52,521       1,958  

Pooled trust preferred securities

    5       -       -       1,772       1,446       1,772       1,446  

Corporate debt securities

    4       3,989       16       -       -       3,989       16  

Equity securities

    4       446       53       128       28       574       81  

Total

    225     $ 203,331     $ 5,980     $ 13,441     $ 1,901     $ 216,772     $ 7,881  

December 31, 2012

                                                       
           

Less than 12 months

   

12 months or longer

   

Total

 
   

No. of

securities

   

Fair

value

   

Unrealized

losses

   

Fair

value

   

Unrealized

losses

   

Fair

value

   

Unrealized

losses

 

U.S. Government agency securities

    4     $ 3,992     $ 19       -       -     $ 3,992     $ 19  

State and municipal securities

    15       6,472       91       -       -       6,472       91  

U.S. Government agencies and sponsored enterprises (GSEs):

                                                       

Mortgage-backed securities

    9       13,439       33       -       -       13,439       33  

Collateralized mortgage obligations (CMOs)

    19       28,396       155       -       -       28,396       155  

Pooled trust preferred securities

    5       -       -     $ 1,609     $ 1,608       1,609       1,608  

Equity securities

    7       587       45       272       42       859       87  

Total

    59     $ 52,886     $ 343     $ 1,881     $ 1,650     $ 54,767     $ 1,993  
Schedule of Pooled Trust Preferred Securities [Table Text Block]

Deal

Class

 

Book

value

   

Fair

value

   

Unreal-

ized

gains

(losses)

   

Realized

OTTI

credit

loss

(YTD

2013)

   

Total

recognized

OTTI

credit

loss

 

Moody's

/Fitch

ratings

 

Current

number of

performing

banks

   

Current

number of

performing

insurance

companies

   

Actual

deferrals

and

defaults as

a % of total

collateral

   

Total

performing

collateral

as a % of

outstanding

bonds

 

PreTSL IV

Mezzanine*

  $ 243     $ 206     $ (37 )   $ -     $ (1 )

Caa2/B

    5       -       18.0 %     139.6 %

PreTSL V

Mezzanine*

    -       -       -       -       (118 )

C/D

    -       -       100.0       12.7  

PreTSL XVII

Mezzanine

    752       453       (299 )     -       (222 )

C/C

    31       5       33.3       78.4  

PreTSL XIX

Mezzanine

    988       442       (546 )     -       -  

C/C

    36       13       22.6       82.5  

PreTSL XXV

Mezzanine

    766       380       (386 )     -       (222 )

C/C

    41       6       33.5       80.2  

PreTSL XXVI

Mezzanine

    469       291       (178 )     -       (270 )

C/C

    40       7       30.2       83.7  

PreTSL XXVI

Mezzanine

    301       397       96       -       (438 )

C/C

    40       7       30.2       83.7  
      $ 3,519     $ 2,169     $ (1,350 )   $ -     $ (1,271 )                                  
Available-for-sale Securities [Member]
 
Note 7 - Investment Securities (Tables) [Line Items]  
Unrealized Gain (Loss) on Investments [Table Text Block]

September 30, 2013

 

Fair

value

   

Gross

unrealized

holding

gains

   

Gross

unrealized

holding

losses

   

Amortized

cost

 

U.S. Government agency securities

  $ 78,124     $ 267     $ 1,336     $ 79,193  

State and municipal securities

    88,873       1,301       1,351       88,923  

U.S. Government agencies and sponsored enterprises (GSEs):

                               

Mortgage-backed securities

    147,425       1,985       1,693       147,133  

Collateralized mortgage obligations (CMOs)

    79,766       634       1,958       81,090  

Pooled trust preferred securities

    2,169       96       1,446       3,519  

Corporate debt securities

    6,007       12       16       6,011  

Equity securities

    4,884       590       81       4,375  

Total investment securities available-for-sale

  $ 407,248     $ 4,885     $ 7,881     $ 410,244  

December 31, 2012

 

Fair

value

   

Gross

unrealized

holding

gains

   

Gross

unrealized

holding

losses

   

Amortized

cost

 

U.S. Government agency securities

  $ 104,130     $ 750     $ 19     $ 103,399  

State and municipal securities

    86,789       3,141       91       83,739  

U.S. Government agencies and sponsored enterprises (GSEs):

                               

Mortgage-backed securities

    107,973       3,169       33       104,837  

Collateralized mortgage obligations (CMOs)

    94,091       1,188       155       93,058  

Pooled trust preferred securities

    1,962       51       1,608       3,519  

Corporate debt securities

    2,502       44       -       2,458  

Equity securities

    4,055       402       87       3,740  

Total investment securities available-for-sale

  $ 401,502     $ 8,745     $ 1,993     $ 394,750  
Investments Classified by Contractual Maturity Date [Table Text Block]

September 30, 2013

 

Fair value

   

Amortized

cost

 

Due in one year or less

  $ 7,863      $ 7,770   

Due after one year through five years

    207,044        205,227   

Due after five years through ten years

    145,966        149,662   

Due after ten years

    41,491        43,210   

Equity securities

    4,884       4,375  

Total investment securities available-for-sale

  $ 407,248     $ 410,244  
Realized Gain (Loss) on Investments [Table Text Block]
   

Nine months ended September 30, 2013

   

Nine months ended September 30, 2012

 
   

Gross

realized

gains

   

Gross

realized

losses

   

Other-than-

temporary

impairment

losses

   

Net gains

   

Gross

realized

gains

   

Gross

realized

losses

   

Other-than-

temporary

impairment

losses

   

Net gains

 

Equity securities

  $ 672     $ -     $ (43 )   $ 629     $ 427     $ -     $ -     $ 427  

Debt securities

    190       -       -       190       145       (79 )     -       66  

Total

  $ 862     $ -     $ (43 )   $ 819     $ 572     $ (79 )   $ -     $ 493  
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]

Nine months ended September 30,

 

2013

   

2012

 

Balance, beginning of period

  $ 1,271     $ 1,279  

Reductions: gain on payoff

    -       8  

Additions:

               

Initial credit impairments

    -       -  

Subsequent credit impairments

    -       -  

Balance, end of period

  $ 1,271     $ 1,271  
Held-to-maturity Securities [Member]
 
Note 7 - Investment Securities (Tables) [Line Items]  
Unrealized Gain (Loss) on Investments [Table Text Block]

Held-To-Maturity

                                                               
   

September 30, 2013

   

December 31, 2012

 
   

Amortized

cost

   

Gross

unrealized

holding

gains

   

Gross

unrealized

holding

losses

   

Fair

value

   

Amortized

cost

   

Gross

unrealized

holding

gains

   

Gross

unrealized

holding

losses

   

Fair

value

 

State and municipal securities

  $ 146     $ 16       -     $ 162     $ 146     $ 20       -     $ 166  
Investments Classified by Contractual Maturity Date [Table Text Block]

September 30, 2013

 

Fair value

   

Amortized

cost

 

Due in one year or less

    -       -  

Due after one year through five years

  $ 162     $ 146  

Due after five years through ten years

    -       -  

Due after ten years

    -       -  

Total investment securities held-to-maturity

  $ 162     $ 146