Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Intangible assets
Gross Carrying Amount, Intangible assets	$ 537,509	$ 537,509
Accumulated Amortization and Impairment, Intangible assets	532,518	531,813
Total Net Intangible Assets	4,991	5,696
Technology
Intangible assets
Gross Carrying Amount, Intangible assets	355,928	355,928
Accumulated Amortization and Impairment, Intangible assets	355,731	355,437
Total Net Intangible Assets	197	491
Customer relationships
Intangible assets
Gross Carrying Amount, Intangible assets	146,925	146,925
Accumulated Amortization and Impairment, Intangible assets	142,131	141,720
Total Net Intangible Assets	4,794	5,205
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