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Revenue Recognition (Schedule Of Contract Assets And Liabilities) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Opening [Member]    
Contract Receivables and Liabilities [Line Items]    
Receivables $ 1,351 $ 1,269
Contract Liabilities 2,417 2,986
Closing [Member]    
Contract Receivables and Liabilities [Line Items]    
Receivables 1,640 1,351
Contract Liabilities 4,714 2,417
(Decrease)/Increase [Member]    
Contract Receivables and Liabilities [Line Items]    
Receivables 289 82
Contract Liabilities $ 2,297 $ (569)