Investment Securities (Details 2) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Contractual maturities of securities
Available for Sale, Cost Basis, Within 1 year	$ 1,006
Available for Sale, Cost Basis, After 1 year but within 5 years	22,552
Available for Sale, Cost Basis, After 5 years but within 10 years	44,406
Available for Sale, Cost Basis, After 10 years but within 15 years	29,382
Available for Sale, Cost Basis, Over 15 years	56,698
Available for Sale, Cost Basis, Total	154,044
Available for Sale, Fair Value, Within 1 year	1,005
Available for Sale, Fair Value, After 1 year but within 5 years	22,456
Available for Sale, Fair Value, After 5 years but within 10 years	44,189
Available for Sale, Fair Value, After 10 years but within 15 years	29,521
Available for Sale, Fair Value, Over 15 years	56,854
Available for Sale, Fair Value, Total	154,025	$ 146,731
Held to Maturity, Cost Basis, Within 1 year	1,000
Held to Maturity, Cost Basis, After 1 year but within 5 years	5,192
Held to Maturity, Cost Basis, After 5 years but within 10 years	19,023
Held to Maturity, Cost Basis, After 10 years but within 15 years	9,816
Held to Maturity, Cost Basis, Over 15 years	5,497
Held to Maturity, Cost Basis, Total	40,528	40,760
Held to Maturity, Fair Value, Within 1 year	953
Held to Maturity, Fair Value, After 1 year but within 5 years	5,168
Held to Maturity, Fair Value, After 5 years but within 10 years	19,149
Held to Maturity, Fair Value, After 10 years but within 15 years	9,971
Held to Maturity, Fair Value, Over 15 years	5,489
Held to Maturity, Fair Value, Total	$ 40,730	$ 40,324

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