Fair Value Measurements (Fair Value Of Financial Assets Measured On Nonrecurring Basis) (Details) - Impaired Loans [Member] - Fair Value, Nonrecurring [Member] - FV determined through independent appraisals of the underlying collateral [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets fair value	$ 1,354	$ 1,361
(Level 3) Significant Unobservable Inputs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets fair value	$ 1,354	$ 1,361