Loans (Schedule of Recorded Investment Evaluated Based on Aging Status of Loans and Payment Activity) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 536,800	$ 541,936
Performing Financing Receivable [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	339,376	347,183
Performing Financing Receivable [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	67,169	62,267
Performing Financing Receivable [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	83,027	83,316
Performing Financing Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	34,650	35,932
Performing Financing Receivable [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	12,578	13,238
Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,631	7,900
Nonperforming Financing Receivable [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,101	6,918
Nonperforming Financing Receivable [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Nonperforming Financing Receivable [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	355	712
Nonperforming Financing Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	175	270
Nonperforming Financing Receivable [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 0	$ 0