Loans and Allowance for Loan Losses - Schedule of Past Due Status of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	$ 6,823	$ 8,185
Current	542,541	494,614
Total Loans	549,364	502,799	$ 463,133
90+ days past due and accruing	1,227	1,665
Nonaccruals	1,993	3,180
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	3,591	1,996
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	387	2,590
90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	2,845	3,599
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	442	296
Current	26,279	24,117
Total Loans	26,721	24,413	25,735
90+ days past due and accruing	0	49
Nonaccruals	135	140
Commercial and Industrial [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	365	83
Commercial and Industrial [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	153
Commercial and Industrial [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	77	60
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,346	1,404
Current	186,451	175,423
Total Loans	187,797	176,827	165,271
90+ days past due and accruing	0	0
Nonaccruals	974	936
Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	372	0
Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	1,404
Commercial Real Estate [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	974	0
Construction and Land [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,419	1,765
Current	69,990	52,397
Total Loans	71,409	54,162	49,777
90+ days past due and accruing	0	0
Nonaccruals	0	1,335
Construction and Land [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,419	430
Construction and Land [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	0
Construction and Land [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	1,335
Consumer [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	25	27
Current	5,537	5,041
Total Loans	5,562	5,068	3,100
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	7	5
Consumer [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	18	22
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	2,212	2,632
Current	6,946	8,045
Total Loans	9,158	10,677	13,006
90+ days past due and accruing	1,227	1,616
Nonaccruals	0	0
Student [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	747	504
Student [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	238	512
Student [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	1,227	1,616
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	409	790
Current	205,536	186,314
Total Loans	205,945	187,104	162,383
90+ days past due and accruing	0	0
Nonaccruals	317	181
Residential Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	278	637
Residential Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	131	153
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	970	1,271
Current	41,802	43,277
Total Loans	42,772	44,548	$ 43,861
90+ days past due and accruing	0	0
Nonaccruals	567	588
Home Equity Lines of Credit [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	403	337
Home Equity Lines of Credit [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	0	346
Home Equity Lines of Credit [Member] | 90+ Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Past due	$ 567	$ 588