Derivative Financial Instruments (Summary Of Location And Amounts Of Derivative Fair Values In The Consolidated Balance Sheets) (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Liability Derivatives	$ 301	$ 0
Options sold | Other liabilities
Derivative [Line Items]
Liability Derivatives	$ 301	$ 0