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Goodwill And Other Intangible Assets (Schedule Of Amortization Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 6,384 $ 9,099 $ 9,461
Amortization of capitalized purchased software costs 2,128 1,493 1,393
Amortization of debt costs 637 461 461
Total amortization $ 9,149 $ 11,053 $ 11,315