Loans and Allowance for Loan Losses - Schedule of Past Due Status of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	$ 9,160	$ 6,823
Current	535,793	542,541
Total Loans	544,953	549,364
90+ days past due and accruing	1,163	1,227
Nonaccruals	1,969	1,993
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,778	3,591
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	4,616	387
90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	2,766	2,845
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	407	442
Current	26,132	26,279
Total Loans	26,539	26,721
90+ days past due and accruing	0	0
Nonaccruals	128	135
Commercial and Industrial [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	56	365
Commercial and Industrial [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	277	0
Commercial and Industrial [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	74	77
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	3,079	1,346
Current	177,440	186,451
Total Loans	180,519	187,797
90+ days past due and accruing	0	0
Nonaccruals	974	974
Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	941	372
Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,164	0
Commercial Real Estate [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	974	974
Construction and Land [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	2,635	1,419
Current	70,267	69,990
Total Loans	72,902	71,409
90+ days past due and accruing	0	0
Nonaccruals	0	0
Construction and Land [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	80	1,419
Construction and Land [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	2,555	0
Construction and Land [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	0
Consumer [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	6	25
Current	5,843	5,537
Total Loans	5,849	5,562
90+ days past due and accruing	0	0
Nonaccruals	0	0
Consumer [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	6	7
Consumer [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	18
Consumer [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	0
Student [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,424	2,212
Current	7,473	6,946
Total Loans	8,897	9,158
90+ days past due and accruing	1,091	1,227
Nonaccruals	0	0
Student [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	190	747
Student [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	143	238
Student [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,091	1,227
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	277	409
Current	208,762	205,536
Total Loans	209,039	205,945
90+ days past due and accruing	0	0
Nonaccruals	311	317
Residential Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	278
Residential Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	277	131
Residential Real Estate [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	0
Home Equity Lines of Credit [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,332	970
Current	39,876	41,802
Total Loans	41,208	42,772
90+ days past due and accruing	72	0
Nonaccruals	556	567
Home Equity Lines of Credit [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	505	403
Home Equity Lines of Credit [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	200	0
Home Equity Lines of Credit [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	$ 627	$ 567