Other Operating Expenses - Schedule of Components Other Operating Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Expenses [Abstract]
Postage and courier	$ 189	$ 194	$ 196
Paper and supplies	120	125	135
Taxes, other than income taxes	406	370	341
Charge-offs, other than loan charge-offs	186	300	320
Telephone	322	333	315
Directors' compensation	326	329	322
Managed service agreements	459	425	409
Other	1,419	1,338	1,149
Other operating expenses	$ 3,427	$ 3,414	$ 3,187