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Investment Securities (Details 2) $ in Thousands	Sep. 30, 2018 USD ($) Investments	Dec. 31, 2017 USD ($) Investments
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments	14	25
Available for sale Securities, Less than 12 months, Fair value	$ 17,015	$ 27,846
Available for sale Securities, Less than 12 months, Unrealized losses	$ 274	$ 245
Available for sale Securities, 12 months or longer, Number of investments | Investments	42	28
Available for sale Securities, 12 months or longer, Fair value	$ 43,254	$ 27,511
Available for sale Securities, 12 months or Longer, Unrealized losses	$ 1,835	$ 518
Available for sale Securities, Total, Number of investments | Investments	62	53
Available for sale Securities, Total, Fair value	$ 60,269	$ 55,357
Available for sale Securities, Total, Unrealized losses	$ 2,109	$ 763
US government agencies [Member]
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments	3	5
Available for sale Securities, Less than 12 months, Fair value	$ 3,368	$ 4,184
Available for sale Securities, Less than 12 months, Unrealized losses	$ 86	$ 22
Available for sale Securities, 12 months or longer, Number of investments | Investments	6	4
Available for sale Securities, 12 months or longer, Fair value	$ 4,764	$ 3,968
Available for sale Securities, 12 months or Longer, Unrealized losses	$ 263	$ 75
Available for sale Securities, Total, Number of investments | Investments	9	9
Available for sale Securities, Total, Fair value	$ 8,132	$ 8,152
Available for sale Securities, Total, Unrealized losses	$ 349	$ 97
SBA securities [Member]
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments		1
Available for sale Securities, Less than 12 months, Fair value		$ 2,936
Available for sale Securities, Less than 12 months, Unrealized losses		$ 13
Available for sale Securities, 12 months or longer, Number of investments | Investments	2	1
Available for sale Securities, 12 months or longer, Fair value	$ 3,472	$ 1,127
Available for sale Securities, 12 months or Longer, Unrealized losses	$ 163	$ 11
Available for sale Securities, Total, Number of investments | Investments	2	2
Available for sale Securities, Total, Fair value	$ 3,472	$ 4,063
Available for sale Securities, Total, Unrealized losses	$ 163	$ 24
State and political subdivisions [Member]
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments	4	3
Available for sale Securities, Less than 12 months, Fair value	$ 3,491	$ 1,214
Available for sale Securities, Less than 12 months, Unrealized losses	$ 48	$ 9
Available for sale Securities, 12 months or longer, Number of investments | Investments	5	2
Available for sale Securities, 12 months or longer, Fair value	$ 1,935	$ 792
Available for sale Securities, 12 months or Longer, Unrealized losses	$ 79	$ 16
Available for sale Securities, Total, Number of investments | Investments	9	5
Available for sale Securities, Total, Fair value	$ 5,426	$ 2,006
Available for sale Securities, Total, Unrealized losses	$ 127	$ 25
Asset-backed securities [Member]
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments	2
Available for sale Securities, Less than 12 months, Fair value	$ 3,474
Available for sale Securities, Less than 12 months, Unrealized losses	$ 10
Available for sale Securities, 12 months or longer, Number of investments | Investments
Available for sale Securities, 12 months or longer, Fair value
Available for sale Securities, 12 months or Longer, Unrealized losses
Available for sale Securities, Total, Number of investments | Investments	2
Available for sale Securities, Total, Fair value	$ 3,474
Available for sale Securities, Total, Unrealized losses	$ 10
Mortgage-backed securities [Member] | FHLMC [Member]
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments		3
Available for sale Securities, Less than 12 months, Fair value		$ 2,897
Available for sale Securities, Less than 12 months, Unrealized losses		$ 26
Available for sale Securities, 12 months or longer, Number of investments | Investments	10	7
Available for sale Securities, 12 months or longer, Fair value	$ 7,651	$ 6,056
Available for sale Securities, 12 months or Longer, Unrealized losses	$ 361	$ 123
Available for sale Securities, Total, Number of investments | Investments	10	10
Available for sale Securities, Total, Fair value	$ 7,651	$ 8,953
Available for sale Securities, Total, Unrealized losses	$ 361	$ 149
Mortgage-backed securities [Member] | FNMA [Member]
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments	4	11
Available for sale Securities, Less than 12 months, Fair value	$ 5,476	$ 14,345
Available for sale Securities, Less than 12 months, Unrealized losses	$ 60	$ 135
Available for sale Securities, 12 months or longer, Number of investments | Investments	23	13
Available for sale Securities, 12 months or longer, Fair value	$ 23,656	$ 14,597
Available for sale Securities, 12 months or Longer, Unrealized losses	$ 873	$ 251
Available for sale Securities, Total, Number of investments | Investments	27	24
Available for sale Securities, Total, Fair value	$ 29,132	$ 28,942
Available for sale Securities, Total, Unrealized losses	$ 933	$ 386
Mortgage-backed securities [Member] | GNMA [Member]
Available for sale
Available for sale Securities, Less than 12 months, Number of investments | Investments	1	2
Available for sale Securities, Less than 12 months, Fair value	$ 1,206	$ 2,270
Available for sale Securities, Less than 12 months, Unrealized losses	$ 70	$ 40
Available for sale Securities, 12 months or longer, Number of investments | Investments	2	1
Available for sale Securities, 12 months or longer, Fair value	$ 1,776	$ 971
Available for sale Securities, 12 months or Longer, Unrealized losses	$ 96	$ 42
Available for sale Securities, Total, Number of investments | Investments	3	3
Available for sale Securities, Total, Fair value	$ 2,982	$ 3,241
Available for sale Securities, Total, Unrealized losses	$ 166	$ 82

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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