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Financial Instruments (Changes In Estimated Fair Value Of Contingent Consideration) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Change in estimated fair value $ 2,377 $ 1,143
Level 3 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Beginning balance 169,717  
Change in estimated fair value 2,377  
Ending balance $ 172,094 $ 169,717