Other Operating Expenses - Schedule of Components Other Operating Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Expenses [Abstract]
Postage and courier	$ 194	$ 196	$ 192
Paper and supplies	125	135	148
Taxes, other than income taxes	370	341	351
Charge-offs, other than loan charge-offs	300	320	275
Telephone	333	315	330
Directors' compensation	329	322	240
Managed service agreements	425	409	402
Other	1,322	1,131	1,160
Other operating expenses	$ 3,398	$ 3,169	$ 3,098