Securities - Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 3,919
Available for sale at fair value yield, Within one year	1.54%
Available for sale at fair value, After one through five years	$ 2,773
Available for sale at fair value yield, After one through five years	3.03%
Available for sale at fair value, After five through ten years	$ 20,473
Available for sale at fair value yield, After five through ten years	4.28%
Available for sale at fair value, After ten years	$ 25,937
Available for sale at fair value yield, After ten years	2.99%
Available-for-sale Securities	$ 53,102	$ 64,275
Available for sale at fair value yield	3.38%
Equity Securities:
Equity securities, After ten years	$ 1,786
Equity securities, After ten years, Yield	2.58%
Equity securities	$ 1,786	2,289
Equity securities, Yield	2.58%
U.S. Government sponsored entities
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 2,772
Available for sale at fair value yield, Within one year	1.57%
Available-for-sale Securities	$ 2,772	5,753
Available for sale at fair value yield	1.57%
State and political subdivisions
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 1,146
Available for sale at fair value yield, Within one year	1.48%
Available for sale at fair value, After one through five years	$ 884
Available for sale at fair value yield, After one through five years	3.29%
Available for sale at fair value, After five through ten years	$ 502
Available for sale at fair value yield, After five through ten years	5.06%
Available for sale at fair value, After ten years	$ 802
Available for sale at fair value yield, After ten years	2.74%
Available-for-sale Securities	$ 3,334	5,154
Available for sale at fair value yield	2.80%
Residential mortgage-backed securities
Available for sale at fair value:
Available for sale at fair value, Within one year	$ 1
Available for sale at fair value yield, Within one year	4.48%
Available for sale at fair value, After one through five years	$ 278
Available for sale at fair value yield, After one through five years	2.37%
Available for sale at fair value, After five through ten years	$ 2,202
Available for sale at fair value yield, After five through ten years	2.48%
Available for sale at fair value, After ten years	$ 19,892
Available for sale at fair value yield, After ten years	2.63%
Available-for-sale Securities	$ 22,373	27,964
Available for sale at fair value yield	2.61%
Corporate and other securities
Available for sale at fair value:
Available for sale at fair value, After one through five years	$ 1,611
Available for sale at fair value yield, After one through five years	3.00%
Available for sale at fair value, After five through ten years	$ 17,769
Available for sale at fair value yield, After five through ten years	4.48%
Available for sale at fair value, After ten years	$ 5,243
Available for sale at fair value yield, After ten years	4.38%
Available-for-sale Securities	$ 24,623	$ 25,404
Available for sale at fair value yield	4.36%

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