Other Operating Income and Expense - Other Operating Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Postage, stationery and supplies	$ 836	$ 873
Telephone/data communication	908	867
Advertising and marketing	175	196
Travel and business development	226	404
Collection and recoveries	218	125
Other services	325	310
Insurance expense	574	586
FDIC insurance and state assessments	468	204
Loss on sales of premises and equipment and other assets	466	408
Amortization of intangible assets	415	487
Other real estate/foreclosure expense, net	64	185
Other expense	1,811	1,853
Total	6,485	6,499
Core Deposits [Member]
Amortization of intangible assets	$ 414	$ 488