Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Intangible assets
Gross Carrying Amount, Intangible assets	$ 537,509	$ 508,969
Accumulated Amortization and Impairment, Intangible assets	489,317	485,082
Total Net Intangible Assets	48,192	23,887
Technology
Intangible assets
Gross Carrying Amount, Intangible assets	355,928	327,908
Accumulated Amortization and Impairment, Intangible assets	319,420	316,918
Total Net Intangible Assets	36,508	10,990
Customer relationship
Intangible assets
Gross Carrying Amount, Intangible assets	146,925	146,465
Accumulated Amortization and Impairment, Intangible assets	136,528	135,415
Total Net Intangible Assets	10,397	11,050
Trademarks and tradenames
Intangible assets
Gross Carrying Amount, Intangible assets	30,910	30,910
Accumulated Amortization and Impairment, Intangible assets	29,666	29,063
Total Net Intangible Assets	1,244	1,847
Other Intangible Assets
Intangible assets
Gross Carrying Amount, Intangible assets	3,746	3,686
Accumulated Amortization and Impairment, Intangible assets	3,703	$ 3,686
Total Net Intangible Assets	$ 43