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Fair Value Measurements (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Liabilities |  |
Contingent consideration | $ 5,843 | $ 4,396
Level 1 |  |
Liabilities |  |
Contingent consideration | 0 | 0
Level 2 |  |
Liabilities |  |
Contingent consideration | 0 | 0
Level 3 |  |
Liabilities |  |
Contingent consideration | $ 5,843 | $ 4,396

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