Securities (Details 2) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	$ 14	$ 37,766
Unrealized Losses, Less Than 12 Months	0	(322)
Fair Value, 12 Months or Longer	71,922	222,033
Unrealized Losses, 12 Months or Longer	(888)	(6,995)
Fair Value, Total	71,936	259,799
Unrealized Losses, Total	(888)	(7,317)
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	2,366	5,065
Unrealized Losses, 12 Months or Longer	(9)	(100)
Fair Value, Total	2,366	5,713
Unrealized Losses, Total	(9)	(102)
State and political subdivisions
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	0	23,569
Unrealized Losses, Less Than 12 Months	0	(201)
Fair Value, 12 Months or Longer	0	64,174
Unrealized Losses, 12 Months or Longer	0	(1,692)
Fair Value, Total	0	87,743
Unrealized Losses, Total	0	(1,893)
Mortgage-backed securities - residential
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	9	13,002
Unrealized Losses, Less Than 12 Months	0	(114)
Fair Value, 12 Months or Longer	47,126	126,200
Unrealized Losses, 12 Months or Longer	(504)	(4,053)
Fair Value, Total	47,135	139,202
Unrealized Losses, Total	(504)	(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	13,042	14,003
Unrealized Losses, 12 Months or Longer	(319)	(774)
Fair Value, Total	13,042	14,023
Unrealized Losses, Total	(319)	(775)
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	479	672
Unrealized Losses, 12 Months or Longer	(1)	(14)
Fair Value, Total	479	1,188
Unrealized Losses, Total	(1)	(18)
Small Business Administration
Investment securities with unrealized losses
Fair Value, Less Than 12 Months	5	11
Unrealized Losses, Less Than 12 Months	0	0
Fair Value, 12 Months or Longer	8,909	11,919
Unrealized Losses, 12 Months or Longer	(55)	(362)
Fair Value, Total	8,914	11,930
Unrealized Losses, Total	$ (55)	$ (362)