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Intangible Assets (Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 123,556 | $ 178,811
Accumulated Amortization | (102,595) | (116,087)
Net | 20,961 | 62,724
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 54,329 | 54,565
Accumulated Amortization | (53,323) | (52,796)
Net | 1,006 | 1,769
Acquired technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 14,584 | 47,515
Accumulated Amortization | (6,475) | (13,268)
Net | 8,109 | 34,247
Trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 14,886 | 26,938
Accumulated Amortization | (12,008) | (14,059)
Net | 2,878 | 12,879
Patent costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 20,868 | 19,579
Accumulated Amortization | (12,035) | (11,350)
Net | 8,833 | 8,229
Acquired patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 14,676 | 16,503
Accumulated Amortization | (14,544) | (14,822)
Net | 132 | 1,681
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 4,213 | 13,711
Accumulated Amortization | (4,210) | (9,792)
Net | $ 3 | $ 3,919

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