Loans (Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Beginning balance	$ 2,118	$ 1,800
Provision for loan losses	201	513
Loans charged off	(58)	(196)
Recoveries of loans previously charged off	3	1
Total ending allowance balance	2,264	2,118
Loans, individually evaluated for impairment			$ 2,255	$ 1,556
Loans, collectively evaluated for impairment			189,487	199,342
Total loans			191,742	200,898
Allowance for loan losses, individually evaluated for impairment			235
Allowance for loan losses, collectively evaluated for impairment			2,029	2,118
Total allowance for loan losses	2,264	2,118	2,264	2,118
Commercial Portfolio Segment [Member]
Beginning balance	940	660
Provision for loan losses	311	304
Loans charged off		(24)
Recoveries of loans previously charged off
Total ending allowance balance	1,251	940
Loans, individually evaluated for impairment			798	87
Loans, collectively evaluated for impairment			99,726	90,281
Total loans			100,524	90,368
Allowance for loan losses, individually evaluated for impairment			158
Allowance for loan losses, collectively evaluated for impairment			1,093	940
Total allowance for loan losses	1,251	940	1,251	940
Residential Real Estate and Consumer [Member]
Beginning balance	1,178	1,140
Provision for loan losses	(110)	209
Loans charged off	(58)	(172)
Recoveries of loans previously charged off	3	1
Total ending allowance balance	1,013	1,178
Loans, individually evaluated for impairment			1,457	1,469
Loans, collectively evaluated for impairment			89,761	109,061
Total loans			91,218	110,530
Allowance for loan losses, individually evaluated for impairment			77
Allowance for loan losses, collectively evaluated for impairment			936	1,178
Total allowance for loan losses	$ 1,013	$ 1,178	$ 1,013	$ 1,178