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Securities Available For Sale (Tables)
9 Months Ended
Sep. 30, 2016
Securities Available For Sale [Abstract]  
Summary Of Securities Available For Sale
September 30, 2016       Gross   Gross    
    Amortized   Unrealized   Unrealized   Estimated
Available for Sale:   Cost   Gains   Losses   Fair Value
 
Mortgage-backed securities:                
US Government-sponsored enterprises $ 326,805 $ 7,268 $ 734 $ 333,339
US Government agency   77,803   1,569   134   79,238
Private label   1,014   214   11   1,217
Obligations of states and political                
subdivisions thereof   119,834   4,133   474   123,493
Total $ 525,456 $ 13,184 $ 1,353 $ 537,287
 
December 31, 2015       Gross   Gross    
    Amortized   Unrealized   Unrealized   Estimated
Available for Sale:   Cost   Gains   Losses   Fair Value
 
Mortgage-backed securities:                
US Government-sponsored enterprises $ 304,106 $ 5,042 $ 2,155 $ 306,993
US Government agency   78,408   1,269   547   79,130
Private label   2,713   762   11   3,464
Obligations of states and political                
subdivisions thereof   110,952   4,758   328   115,382
Total $ 496,179 $ 11,831 $ 3,041 $ 504,969
Summary Of Maturities Distribution Of The Amortized Cost And Estimated Fair Value Of Securities Available For Sale
    Amortized   Estimated
Securities Available for Sale   Cost   Fair Value
 
Due one year or less $ 140 $ 140
Due after one year through five years   6,510   6,637
Due after five years through ten years   16,068   16,756
Due after ten years   502,738   513,754
Total $ 525,456 $ 537,287
Schedule Of OTTI Related To Historical Estimated Credit Losses On Debt Securities And Changes In Estimated Credit Losses Recognized In Pre-Tax Earnings
    2016   2015
 
Estimated credit losses as of June 30, $ 1,697 $ 3,180
Additions for credit losses for securities on which        
OTTI has been previously recognized --- ---
Additions for credit losses for securities on which        
OTTI has not been previously recognized --- ---
Reductions for securities sold or paid off during the period --- ---
Estimated credit losses as of September 30, $ 1,697 $ 3,180
 
Estimated credit losses as of prior year-end, $ 3,180 $ 3,413
Additions for credit losses for securities on which        
OTTI has been previously recognized --- ---
Additions for credit losses for securities on which        
OTTI has not been previously recognized --- ---
Reductions for securities sold or paid off during the period   1,483   233
Estimated credit losses as of September 30, $ 1,697 $ 3,180
Summary Of Fair Value Of Securities With Continuous Unrealized Losses
  Less than 12 months 12 months or longer Total
    Estimated         Estimated         Estimated      
September 30, 2016   Fair Number of   Unrealized   Fair Number of Unrealized    Fair Number of   Unrealized
    Value Investments   Losses   Value Investments   Losses   Value Investments   Losses
Description of Securities:                              
 
Mortgage-backed securities:                              
US Government-                              
sponsored enterprises $ 59,696 72 $ 503 $ 8,365 21 $ 231 $ 68,061 93 $ 734
US Government agency   11,643 17   64   4,008 14   70   15,651 31   134
Private label   185 1   3   158 6   8   343 7   11
Obligations of states and                              
political subdivisions                              
thereof   25,810 47   363   3,966 9   111   29,776 56   474
Total $ 97,334 137 $ 933 $ 16,497 50 $ 420 $ 113,831 187 $ 1,353

 

 

  Less than 12 months 12 months or longer Total
    Estimated       Estimated         Estimated      
December 31, 2015   Fair Number of   Unrealized   Fair Number of   Unrealized   Fair Number of   Unrealized
    Value Investments   Losses   Value Investments   Losses   Value Investments   Losses
Description of Securities:                              
 
Mortgage-backed securities:                              
US Government-                              
sponsored enterprises $ 112,770 142 $ 1,342 $ 23,646 33 $ 813 $ 136,416 175 $ 2,155
US Government agency   20,201 30   326   11,232 22   221   31,433 52   547
Private label   235 2   2   178 5   9   413 7   11
Obligations of states and                              
political subdivisions                              
thereof   14,853 25   210   3,700 11   118   18,553 36   328
Total $ 148,059 199 $ 1,880 $ 38,756 71 $ 1,161 $ 186,815 270 $ 3,041
Summary Of Realized Gains And Losses And Other-Than-Temporary Impairment Losses On Securities
    Proceeds          
    from Sale of          
    Securities          
    Available   Realized Realized    
    for Sale   Gains Losses   Net
 
Three months ended September 30,              
2016 $ 21,776 $ 1,354 $  --- $ 1,354
2015 $ --- $ --- $  --- $ ---
 
Nine months ended September 30,              
2016 $ 66,431 $ 4,489 $  --- $ 4,489
2015 $ 20,428 $ 1,206 $  --- $ 1,206