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Income Taxes (Schedule Of Unrecognized Uncertain Tax Positions) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of period $ 628 $ 648 $ 628
Increase (decrease) due to tax positions taken in, Current period 25 2 0
Increase (decrease) due to tax positions taken in, Prior period 23 44 40
Reductions due to lapse of statute of limitations (17) (66) (20)
Balance at end of period $ 659 $ 628 $ 648