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Financial Instruments (Changes in estimated fair value of contingent consideration) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Beginning balance   $ 169,717
Change in estimated fair value $ (5,438) (6,501)
Ending balance 163,216 163,216
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   (6,501)
Ending balance $ 163,216 $ 163,216