Fair Value Measurements (Fair Value Of Financial Assets Measured On Nonrecurring Basis) (Details) - FV determined through independent appraisals of the underlying collateral [Member] - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset fair value	[1]	$ 786		$ 794
Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset fair value	[1]	480	[2]	480
(Level 3) Significant Unobservable Inputs [Member] | Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset fair value	[1]	786		794
(Level 3) Significant Unobservable Inputs [Member] | Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset fair value	[1]	$ 480	[2]	$ 480

[1] Fair Value is generally determined through independent appraisals of the underlying collateral, which generally include various Level 3 inputs which are not identifiable. Fair values may also include qualitative adjustments by management based on economic conditions and liquidation expenses.

[2] Fair Value determined using the debt service of the borrower.