Allowance for Loan Losses and Credit Quality (Commercial and Consumer Loans by Credit Quality Indicators) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	$ 899,661	$ 789,356
Commercial Portfolio Segment [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	138,144	136,412
Commercial Portfolio Segment [Member] | Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	133,827	136,180
Commercial Portfolio Segment [Member] | Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	4,317	232
Commercial Portfolio Segment [Member] | Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	0	0
Commercial Portfolio Segment [Member] | Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	0	0
Commercial Portfolio Segment [Member] | Commercial Business [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	106,358	92,906
Commercial Portfolio Segment [Member] | Commercial Business [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	93,532	84,746
Commercial Portfolio Segment [Member] | Commercial Business [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	8,535	3,454
Commercial Portfolio Segment [Member] | Commercial Business [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	4,031	1,252
Commercial Portfolio Segment [Member] | Commercial Business [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	260	3,454
Commercial Portfolio Segment [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	378,998	308,924
Commercial Portfolio Segment [Member] | Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	357,024	289,203
Commercial Portfolio Segment [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	11,083	13,267
Commercial Portfolio Segment [Member] | Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	10,891	6,454
Commercial Portfolio Segment [Member] | Commercial Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	0	0
Commercial Portfolio Segment [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	204,359	189,412
Commercial Portfolio Segment [Member] | Mortgage Warehouse Lines [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	204,359	189,412
Commercial Portfolio Segment [Member] | Mortgage Warehouse Lines [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	0	0
Commercial Portfolio Segment [Member] | Mortgage Warehouse Lines [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	0	0
Commercial Portfolio Segment [Member] | Mortgage Warehouse Lines [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	0	0
Residential Portfolio Segment [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	46,048	40,494
Residential Portfolio Segment [Member] | Residential Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	44,579	39,539
Residential Portfolio Segment [Member] | Residential Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	116	666
Residential Portfolio Segment [Member] | Residential Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	1,353	289
Residential Portfolio Segment [Member] | Residential Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	0	0
Consumer Portfolio Segment [Member] | Loan to Individuals [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	25,562	21,025
Consumer Portfolio Segment [Member] | Loan to Individuals [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	25,151	20,657
Consumer Portfolio Segment [Member] | Loan to Individuals [Member] | Non-performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	411	368
Consumer Portfolio Segment [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	192	183
Consumer Portfolio Segment [Member] | Other [Member] | Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	192	183
Consumer Portfolio Segment [Member] | Other [Member] | Non-performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans Receivable	$ 0	$ 0