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Securities (Details 2) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	$ 3,068	$ 37,766
Unrealized Losses, Less Than 12 Months	(7)	(322)
Fair Value, 12 Months or Longer	198,354	222,033
Unrealized Losses, 12 Months or Longer	(3,715)	(6,995)
Fair Value, Total	201,422	259,799
Unrealized Losses, Total	(3,722)	(7,317)
Corporate bonds
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	0	516
Unrealized Losses, Less Than 12 Months	0	(4)
Fair Value, 12 Months or Longer	678	672
Unrealized Losses, 12 Months or Longer	(7)	(14)
Fair Value, Total	678	1,188
Unrealized Losses, Total	(7)	(18)
Small Business Administration
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	7	11
Unrealized Losses, Less Than 12 Months	0	0
Fair Value, 12 Months or Longer	11,684	11,919
Unrealized Losses, 12 Months or Longer	(245)	(362)
Fair Value, Total	11,691	11,930
Unrealized Losses, Total	(245)	(362)
U.S. Treasury and U.S. government sponsored entities
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	0	648
Unrealized Losses, Less Than 12 Months	0	(2)
Fair Value, 12 Months or Longer	5,098	5,065
Unrealized Losses, 12 Months or Longer	(68)	(100)
Fair Value, Total	5,098	5,713
Unrealized Losses, Total	(68)	(102)
State and political subdivisions
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	3,039	23,569
Unrealized Losses, Less Than 12 Months	(7)	(201)
Fair Value, 12 Months or Longer	38,090	64,174
Unrealized Losses, 12 Months or Longer	(534)	(1,692)
Fair Value, Total	41,129	87,743
Unrealized Losses, Total	(541)	(1,893)
Mortgage-backed securities - residential
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	22	13,002
Unrealized Losses, Less Than 12 Months	0	(114)
Fair Value, 12 Months or Longer	129,244	126,200
Unrealized Losses, 12 Months or Longer	(2,188)	(4,053)
Fair Value, Total	129,266	139,202
Unrealized Losses, Total	(2,188)	(4,167)
Collateralized mortgage obligations - residential
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	0	20
Unrealized Losses, Less Than 12 Months	0	(1)
Fair Value, 12 Months or Longer	13,560	14,003
Unrealized Losses, 12 Months or Longer	(673)	(774)
Fair Value, Total	13,560	14,023
Unrealized Losses, Total	$ (673)	$ (775)

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