Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Intangible assets
Gross Carrying Amount, Intangible assets	$ 537,509	$ 537,509
Accumulated Amortization and Impairment, Intangible assets	529,499	528,677
Total Net Intangible Assets	8,010	8,832
Technology
Intangible assets
Gross Carrying Amount, Intangible assets	355,928	355,928
Accumulated Amortization and Impairment, Intangible assets	354,446	354,066
Total Net Intangible Assets	1,482	1,862
Customer relationship
Intangible assets
Gross Carrying Amount, Intangible assets	146,925	146,925
Accumulated Amortization and Impairment, Intangible assets	140,397	139,955
Total Net Intangible Assets	6,528	6,970
Trademarks and tradenames
Intangible assets
Gross Carrying Amount, Intangible assets	30,910	30,910
Accumulated Amortization and Impairment, Intangible assets	30,910	30,910
Other Intangible Assets
Intangible assets
Gross Carrying Amount, Intangible assets	3,746	3,746
Accumulated Amortization and Impairment, Intangible assets	$ 3,746	$ 3,746