Investment Securities - Available for sale (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Marketable securities
Amortized Cost	$ 54,985	$ 52,294
Gross Unrealized Gains	1,032	201
Gross Unrealized Losses	163	1,195
Fair Value	55,854	51,300
Obligations of U.S. Government agencies
Debt securities
Amortized Cost	8,184	9,469
Gross Unrealized Gains	187	47
Gross Unrealized Losses	8	96
Fair Value	8,363	9,420
Obligations of States and political subdivisions
Debt securities
Amortized Cost	24,636	21,383
Gross Unrealized Gains	725	139
Gross Unrealized Losses	29	426
Fair Value	25,332	21,096
Mortgage-backed securities
Debt securities
Amortized Cost	20,665	19,942
Gross Unrealized Gains	120	15
Gross Unrealized Losses	78	553
Fair Value	20,707	19,404
Equity securities
Equity securities
Amortized Cost	1,500	1,500
Gross Unrealized Losses	48	120
Fair Value	$ 1,452	$ 1,380

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