Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Intangible assets
Gross Carrying Amount, Intangible assets	$ 537,509	$ 508,969
Accumulated Amortization and Impairment, Intangible assets	491,440	485,082
Total Net Intangible Assets	46,069	23,887
Technology
Intangible assets
Gross Carrying Amount, Intangible assets	355,928	327,908
Accumulated Amortization and Impairment, Intangible assets	320,671	316,918
Total Net Intangible Assets	35,257	10,990
Customer relationship
Intangible assets
Gross Carrying Amount, Intangible assets	146,925	146,465
Accumulated Amortization and Impairment, Intangible assets	137,088	135,415
Total Net Intangible Assets	9,837	11,050
Trademarks and tradenames
Intangible assets
Gross Carrying Amount, Intangible assets	30,910	30,910
Accumulated Amortization and Impairment, Intangible assets	29,968	29,063
Total Net Intangible Assets	942	1,847
Other Intangible Assets
Intangible assets
Gross Carrying Amount, Intangible assets	3,746	3,686
Accumulated Amortization and Impairment, Intangible assets	3,713	$ 3,686
Total Net Intangible Assets	$ 33