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Intangible Assets, Goodwill and Other (Tables)
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Identifiable Intangible Assets [Table Text Block]
As of
(in thousands)
September 30, 2025December 31, 2024September 30, 2024
Intangible assets with definite lives:
Patents and purchased technology$14,198 $14,198 $14,198 
Customer relationships23,000 23,000 23,000 
Gross carrying amount37,198 37,198 37,198 
Accumulated amortization:
Patents and purchased technology(14,198)(14,198)(14,198)
Customer relationships(23,000)(23,000)(23,000)
Accumulated amortization(37,198)(37,198)(37,198)
Net carrying amount— — — 
Intangible assets with indefinite lives71,221 79,221 79,221 
Intangible assets, net$71,221 $79,221 $79,221 
Schedule of Goodwill
The following table sets forth the changes in Goodwill.
(in thousands)
Balance as of September 30, 2024
Goodwill
$73,208 
Accumulated impairment losses
(46,514)
Carrying value26,694 
Impairment losses during 2024
— 
Balance as of December 31, 2024
Goodwill
73,208 
Accumulated impairment losses
(46,514)
Carrying value26,694 
Impairment losses during 2025
(21,000)
Balance as of September 30, 2025
Goodwill
73,208 
Accumulated impairment losses
(67,514)
Carrying value$5,694