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Goodwill and Acquired Intangibles (Details 1) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year |  |
Gross carrying amount | $ 531,226 | $ 767,399
Accumulated amortization | (190,409) | (419,582)
Total estimated amortization expense | 340,817 | 347,817
In-process technology | 6,800 | 6,800
Intangible assets, gross carrying amount (excluding goodwill) | 538,026 | 774,199
Acquired intangibles, net | 347,617 | 354,617
Existing Technology [Member] |  |
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year |  |
Gross carrying amount | 323,359 | 479,796
Accumulated amortization | (129,807) | (278,851)
Total estimated amortization expense | 193,552 | 200,945
Agreements and Relationships [Member] |  |
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year |  |
Gross carrying amount | 194,625 | 274,624
Accumulated amortization | (56,671) | (137,847)
Total estimated amortization expense | 137,954 | 136,777
Tradenames Trademarks And Patents [Member] |  |
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year |  |
Gross carrying amount | 13,242 | 12,979
Accumulated amortization | (3,931) | (2,884)
Total estimated amortization expense | $ 9,311 | $ 10,095

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