Fair Value (Financial Instruments Measured At Fair Value On A Non-Recurring Basis) (Details) - Commercial [Member] - Unobservable Input, Comparability Adjustment [Member] - Financial instruments measured at fair value on a non-recurring basis [Member] - Market approach [Member] $ in Thousands	Dec. 31, 2020 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 190
(Range) Weighted Average	65.00%