Loans and Allowance for Loan Losses (Details 9) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Aging analysis of the recorded investment of past due loans
Total Past Due	$ 2,265	$ 2,130
Current	516,451	512,262
Total ending loan balance	518,716	514,392
30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	44	67
60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	239	323
90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	1,982	1,740
Commercial
Aging analysis of the recorded investment of past due loans
Total Past Due	1,153	1,305
Current	98,711	111,135
Total ending loan balance	99,864	112,440
Commercial | 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	1	14
Commercial | 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	1,152	1,291
Commercial real estate
Aging analysis of the recorded investment of past due loans
Total Past Due	253	167
Current	301,831	303,637
Total ending loan balance	302,084	303,804
Commercial real estate | 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	253	167
Residential real estate
Aging analysis of the recorded investment of past due loans
Total Past Due	673	475
Current	86,499	69,370
Total ending loan balance	87,172	69,845
Residential real estate | 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	5	36
Residential real estate | 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	214	182
Residential real estate | 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	454	257
Consumer | Home equity
Aging analysis of the recorded investment of past due loans
Total Past Due	172	166
Current	25,684	24,910
Total ending loan balance	25,856	25,076
Consumer | Home equity | 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	24
Consumer | Home equity | 60-89 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	25	141
Consumer | Home equity | 90 Days Or Greater
Aging analysis of the recorded investment of past due loans
Total Past Due	123	25
Consumer | Other
Aging analysis of the recorded investment of past due loans
Total Past Due	14	17
Current	3,726	3,210
Total ending loan balance	3,740	3,227
Consumer | Other | 30-59 Days Past Due
Aging analysis of the recorded investment of past due loans
Total Past Due	$ 14	$ 17