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Securities (Tables)
3 Months Ended
Mar. 31, 2017
Securities [Abstract]  
Book values and approximate fair values of investment securities
   March 31, 2017   December 31, 2016 
   Amortized   Fair   Unrealized   Amortized   Fair   Unrealized 
($ in thousands)  Cost   Value   Gains   (Losses)   Cost   Value   Gains   (Losses) 
                                 
Securities available for sale:                                        
  Government-sponsored enterprise securities  $19,498    19,426    8    (80)   17,497    17,490        (7)
  Mortgage-backed securities   162,660    160,786    220    (2,094)   151,001    148,065    155    (3,091)
  Corporate bonds   34,322    34,531    286    (77)   33,833    33,600    91    (324)
  Equity securities                   83    174    96    (5)
Total available for sale  $216,480    214,743    514    (2,251)   202,414    199,329    342    (3,427)
                                         
Securities held to maturity:                                        
  Mortgage-backed securities  $76,201    75,264        (937)   80,585    79,283        (1,302)
  State and local governments   57,053    58,921    1,897    (29)   49,128    50,912    1,815    (31)
Total held to maturity  $133,254    134,185    1,897    (966)   129,713    130,195    1,815    (1,333)
Schedule of information regarding securities with unrealized losses

The following table presents information regarding securities with unrealized losses at March 31, 2017:

 

($ in thousands)

 

  Securities in an Unrealized
Loss Position for
Less than 12 Months
   Securities in an Unrealized
Loss Position for
More than 12 Months
   Total 
   Fair Value   Unrealized
Losses
   Fair Value   Unrealized
Losses
   Fair Value   Unrealized
Losses
 
  Government-sponsored enterprise securities  $13,917    80            13,917    80 
  Mortgage-backed securities   167,034    2,513    17,862    518    184,896    3,031 
  Corporate bonds   8,021    17    940    60    8,961    77 
  Equity securities                        
  State and local governments   7,057    29            7,057    29 
      Total temporarily impaired securities  $196,029    2,639    18,802    578    214,831    3,217 

 

The following table presents information regarding securities with unrealized losses at December 31, 2016:

 

($ in thousands)

 

  Securities in an Unrealized
Loss Position for
Less than 12 Months
   Securities in an Unrealized
Loss Position for
More than 12 Months
   Total 
   Fair Value   Unrealized
Losses
   Fair Value   Unrealized
Losses
   Fair Value   Unrealized
Losses
 
  Government-sponsored enterprise securities  $7,990    7            7,990    7 
  Mortgage-backed securities   196,999    3,841    19,001    552    216,000    4,393 
  Corporate bonds   27,027    259    935    65    27,962    324 
  Equity securities           7    5    7    5 
  State and local governments   801    31            801    31 
      Total temporarily impaired securities  $232,817    4,138    19,943    622    252,760    4,760 

 

Schedule of book values and approximate fair values of investment securities by contractual maturity
   Securities Available for Sale   Securities Held to Maturity 
   Amortized   Fair   Amortized   Fair 
($ in thousands)  Cost   Value   Cost   Value 
                 
Debt securities                    
Due within one year  $        2,123    2,144 
Due after one year but within five years   19,498    19,426    21,815    22,527 
Due after five years but within ten years   29,322    29,411    27,398    28,600 
Due after ten years   5,000    5,120    5,717    5,650 
Mortgage-backed securities   162,660    160,786    76,201    75,264 
Total debt securities   216,480    214,743    133,254    134,185 
                     
Equity securities                
Total securities  $216,480    214,743    133,254    134,185