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Investment Securities (Tables)
3 Months Ended
Mar. 31, 2015
Investment Securities [Abstract]  
Amortized Cost And Fair Value Of Investment Securities
    Amortized   Unrealized   Unrealized   Fair
    Cost   Gains   Losses   Value
March 31, 2015                
Securities available for sale:                
U.S. Government agencies and government                
sponsored enterprises $ 176,648 $ 2,324 $ 304 $ 178,668
Mortgage-backed securities:                
Federal National Mortgage Association   187,368   3,067   437   189,998
Federal Home Loan Mortgage Corporation   25,892   769   8   26,653
Government National Mortgage Association   46,584   2,093   -   48,677
Collateralized mortgage obligations:                
Federal National Mortgage Association   76,408   969   583   76,794
Federal Home Loan Mortgage Corporation   90,875   233   1,521   89,587
Government National Mortgage Association   26,965   545   12   27,498
Privately issued   -   1,169   -   1,169
Total collateralized mortgage obligations   194,248   2,916   2,116   195,048
Total mortgage-backed securities   454,092   8,845   2,561   460,376
Asset-backed securities   -   231   -   231
Total available for sale securities $ 630,740 $ 11,400 $ 2,865 $ 639,275
Securities held to maturity:                
State and political subdivisions   285,630   6,121   28   291,723
Mortgage-backed securities:                
Federal National Mortgage Association   3,253   55   -   3,308
Government National Mortgage Association   17,372   125   18   17,479
Total mortgage-backed securities   20,625   180   18   20,787
Total held to maturity securities $ 306,255 $ 6,301 $ 46 $ 312,510

 

    Amortized   Unrealized   Unrealized   Fair
    Cost   Gains   Losses   Value
December 31, 2014                
Securities available for sale:                
U.S. Government agencies and government                
sponsored enterprises $ 160,334 $ 1,116 $ 975 $ 160,475
Mortgage-backed securities:                
Federal National Mortgage Association   184,857   2,344   1,264   185,937
Federal Home Loan Mortgage Corporation   29,478   799   7   30,270
Government National Mortgage Association   48,800   2,022   -   50,822
Collateralized mortgage obligations:                
Federal National Mortgage Association   76,247   489   944   75,792
Federal Home Loan Mortgage Corporation   89,623   199   2,585   87,237
Government National Mortgage Association   29,954   598   40   30,512
Privately issued   -   1,218   -   1,218
Total collateralized mortgage obligations   195,824   2,504   3,569   194,759
Total mortgage-backed securities   458,959   7,669   4,840   461,788
Asset-backed securities   -   231   -   231
Total available for sale securities $ 619,293 $ 9,016 $ 5,815 $ 622,494
Securities held to maturity:                
State and political subdivisions   277,273   4,231   120   281,384
Mortgage-backed securities:                
Federal National Mortgage Association   3,279   24   -   3,303
Government National Mortgage Association   13,886   122   -   14,008
Total mortgage-backed securities   17,165   146   -   17,311
Total held to maturity securities $ 294,438 $ 4,377 $ 120 $ 298,695

 

Scheduled Maturities Of Securities Available For Sale And Securities Held To Maturity

    Amortized   Fair
    Cost   Value
Debt securities available for sale:        
Due in one year or less $ 21 $ 22
Due from one to five years   153,578   154,145
Due after five years through ten years   244,623   250,793
Due after ten years   232,518   234,315
  $ 630,740 $ 639,275
Debt securities held to maturity:        
Due in one year or less $ 23,341 $ 23,408
Due from one to five years   139,825   142,298
Due after five years through ten years   123,914   127,467
Due after ten years   19,175   19,337
  $ 306,255 $ 312,510
Sales And Calls Of Securities Available For Sale
    Three months ended
    March 31,
    2015   2014
Proceeds from sales $ 29,508 $ 19,470
Gross realized gains   1,073   313
Gross realized losses   11   -
Investments' Gross Unrealized Losses And Fair Value
    Less than 12 months   12 months or longer   Total
    Fair   Unrealized   Fair Unrealized    Fair Unrealized 
    Value   Losses   Value   Losses   Value   Losses
March 31, 2015                        
Securities available for sale:                        
U.S. Government agencies and government                        
sponsored enterprises $ 15,444 $ 42 $ 25,092 $ 262 $ 40,536 $ 304
Mortgage-backed securities:                        
Federal National Mortgage Association   23,349   107   34,822   330   58,171   437
Federal Home Loan Mortgage Corporation   1,710   8   -   -   1,710   8
Collateralized mortgage obligations:                        
Federal National Mortgage Association   4,872   22   21,119   561   25,991   583
Federal Home Loan Mortgage Corporation   8,535   13   65,623   1,508   74,158   1,521
Government National Mortgage Association   -   -   2,431   12   2,431   12
Total collateralized mortgage obligations   13,407   35   89,173   2,081   102,580   2,116
Total mortgage-backed securities   38,466   150   123,995   2,411   162,461   2,561
Total available for sale securities   53,910   192   149,087   2,673   202,997   2,865
Securities held to maturity:                        
State and political subdivisions   5,484   28   -   -   5,484   28
Mortgage-backed securities:                        
Government National Mortgage Association   2,186   18   -   -   2,186   18
Total held to maturity securities   7,670   46   -   -   7,670   46
Total temporarily impaired securities $ 61,580 $ 238 $ 149,087 $ 2,673 $ 210,667 $ 2,911
 
December 31, 2014                        
Securities available for sale:                        
U.S. Government agencies and government                        
sponsored enterprises $ 34,995 $ 77 $ 41,070 $ 898 $ 76,065 $ 975
Mortgage-backed securities:                        
Federal National Mortgage Association   2,242   8   62,592   1,256   64,834   1,264
Federal Home Loan Mortgage Corporation   3,387   7   -   -   3,387   7
Collateralized mortgage obligations:                        
Federal National Mortgage Association   11,228   24   25,644   920   36,872   944
Federal Home Loan Mortgage Corporation   -   -   76,126   2,585   76,126   2,585
Government National Mortgage Association   -   -   2,510   40   2,510   40
Total collateralized mortgage obligations   11,228   24   104,280   3,545   115,508   3,569
Total mortgage-backed securities   16,857   39   166,872   4,801   183,729   4,840
Total available for sale securities   51,852   116   207,942   5,699   259,794   5,815
Securities held to maturity:                        
State and political subdivisions   18,036   120   -   -   18,036   120
Total temporarily impaired securities $ 69,888 $ 236 $ 207,942 $ 5,699 $ 277,830 $ 5,935