Securities Available for Sale (Details 3) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months $ 121,893 $ 27,281
Unrealized Losses, Less Than 12 Months (1,464) (216)
Fair Value, 12 Months or Longer 86,038 132,134
Unrealized Losses, 12 Months or Longer (2,499) (3,511)
Fair Value, Total 207,931 159,415
Unrealized Losses, Total (3,963) (3,727)
Corporate bonds    
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months 102 0
Unrealized Losses, Less Than 12 Months (1) 0
Fair Value, 12 Months or Longer 478 476
Unrealized Losses, 12 Months or Longer (4) (8)
Fair Value, Total 580 476
Unrealized Losses, Total (5) (8)
Collateralized Mortgage Obligations    
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months 14,342 0
Unrealized Losses, Less Than 12 Months (169) 0
Fair Value, 12 Months or Longer 12,695 19,541
Unrealized Losses, 12 Months or Longer (701) (911)
Fair Value, Total 27,037 19,541
Unrealized Losses, Total (870) (911)
Small Business Administration    
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months 0 0
Unrealized Losses, Less Than 12 Months 0 0
Fair Value, 12 Months or Longer 19,237 22,319
Unrealized Losses, 12 Months or Longer (457) (775)
Fair Value, Total 19,237 22,319
Unrealized Losses, Total (457) (775)
U.S. Treasury and U.S. government sponsored entities    
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months 6,044 498
Unrealized Losses, Less Than 12 Months (51) (2)
Fair Value, 12 Months or Longer 199 10,159
Unrealized Losses, 12 Months or Longer (1) (110)
Fair Value, Total 6,243 10,657
Unrealized Losses, Total (52) (112)
State and political subdivisions    
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months 22,016 987
Unrealized Losses, Less Than 12 Months (167) (11)
Fair Value, 12 Months or Longer 12,635 24,063
Unrealized Losses, 12 Months or Longer (245) (660)
Fair Value, Total 34,651 25,050
Unrealized Losses, Total (412) (671)
Mortgage-backed securities - residential    
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months 79,301 25,770
Unrealized Losses, Less Than 12 Months (1,044) (202)
Fair Value, 12 Months or Longer 40,794 55,576
Unrealized Losses, 12 Months or Longer (1,091) (1,047)
Fair Value, Total 120,095 81,346
Unrealized Losses, Total (2,135) (1,249)
Equity securities    
Investment securities with unrealized losses    
Fair Value, Less Than 12 Months 88 26
Unrealized Losses, Less Than 12 Months (32) (1)
Fair Value, 12 Months or Longer 0 0
Unrealized Losses, 12 Months or Longer 0 0
Fair Value, Total 88 26
Unrealized Losses, Total $ (32) $ (1)