Investment Securities (Details 4) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value
Fair Value, Less than 12 Months	$ 34,850	$ 135,804
Fair Value, 12 Months or More	76,214	2,869
Fair Value, Total	111,064	138,673
Unrealized Losses
Unrealized Losses, Less than 12 Months	303	4,170
Unrealized Losses, 12 Months or More	2,705	854
Unrealized Losses, Total	3,008	5,024
U.S. Government agencies and corporations
Fair Value
Fair Value, Less than 12 Months		7,643
Fair Value, 12 Months or More	2,860
Fair Value, Total	2,860	7,643
Unrealized Losses
Unrealized Losses, Less than 12 Months		180
Unrealized Losses, 12 Months or More	140
Unrealized Losses, Total	140	180
Obligations of states and political subdivisions
Fair Value
Fair Value, Less than 12 Months	7,430	41,668
Fair Value, 12 Months or More	18,066
Fair Value, Total	25,496	41,668
Unrealized Losses
Unrealized Losses, Less than 12 Months	24	2,031
Unrealized Losses, 12 Months or More	300
Unrealized Losses, Total	324	2,031
U.S. Government-sponsored mortgage-backed securities
Fair Value
Fair Value, Less than 12 Months	24,888	68,386
Fair Value, 12 Months or More	40,968	2,044
Fair Value, Total	65,856	70,430
Unrealized Losses
Unrealized Losses, Less than 12 Months	241	1,487
Unrealized Losses, 12 Months or More	1,163	59
Unrealized Losses, Total	1,404	1,546
U.S. Government-sponsored collateralized mortgage obligations
Fair Value
Fair Value, Less than 12 Months		9,350
Fair Value, 12 Months or More	6,302
Fair Value, Total	6,302	9,350
Unrealized Losses
Unrealized Losses, Less than 12 Months		155
Unrealized Losses, 12 Months or More	161
Unrealized Losses, Total	161	155
U.S. Government-guaranteed small business administration pools
Fair Value
Fair Value, Less than 12 Months	2,532	8,757
Fair Value, 12 Months or More	7,123
Fair Value, Total	9,655	8,757
Unrealized Losses
Unrealized Losses, Less than 12 Months	38	317
Unrealized Losses, 12 Months or More	218
Unrealized Losses, Total	256	317
Trust preferred securities
Fair Value
Fair Value, 12 Months or More	895	825
Fair Value, Total	895	825
Unrealized Losses
Unrealized Losses, 12 Months or More	723	795
Unrealized Losses, Total	$ 723	$ 795

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.

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