Investment Securities - Available for sale (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Marketable securities
Amortized Cost	$ 50,307	$ 52,294
Gross Unrealized Gains	845	201
Gross Unrealized Losses	235	1,195
Fair Value	50,917	51,300
Obligations of U.S. Government agencies
Debt securities
Amortized Cost	9,399	9,469
Gross Unrealized Gains	248	47
Gross Unrealized Losses	21	96
Fair Value	9,626	9,420
Obligations of States and political subdivisions
Debt securities
Amortized Cost	21,706	21,383
Gross Unrealized Gains	522	139
Gross Unrealized Losses	40	426
Fair Value	22,188	21,096
Mortgage-backed securities
Debt securities
Amortized Cost	17,702	19,942
Gross Unrealized Gains	75	15
Gross Unrealized Losses	103	553
Fair Value	17,674	19,404
Equity securities
Equity securities
Amortized Cost	1,500	1,500
Gross Unrealized Losses	71	120
Fair Value	$ 1,429	$ 1,380

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