Loans (Schedule of Recorded Investment Evaluated Based on Aging Status of Loans and Payment Activity) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 537,876	$ 435,907	$ 386,263
Performing Financing Receivable [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	348,333	261,020	225,097
Performing Financing Receivable [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	61,253	65,628	57,276
Performing Financing Receivable [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	81,947	74,402	74,667
Performing Financing Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	36,349	25,368	19,574
Performing Financing Receivable [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	9,994	9,489	9,649
Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	8,648	4,981	4,356
Nonperforming Financing Receivable [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,309	4,621	3,680
Nonperforming Financing Receivable [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0	0
Nonperforming Financing Receivable [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	773	194	494
Nonperforming Financing Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	566	166	182
Nonperforming Financing Receivable [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 0	$ 0	$ 0