Annual report [Section 13 and 15(d), not S-K Item 405]

Intangible Assets, Net and Goodwill (Schedule of Identifiable Intangible Assets) (Details)

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Intangible Assets, Net and Goodwill (Schedule of Identifiable Intangible Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Summary of Identifiable Intangible Assets [Line Items]    
Gross carrying amount $ 37,198 $ 37,198
Accumulated amortization (37,198) (37,198)
Net carrying amount 0 0
Intangible assets not subject to amortization 71,221 79,221
Intangible Assets, Net (Excluding Goodwill), Total 71,221 79,221
Patents And Purchased Technology    
Summary of Identifiable Intangible Assets [Line Items]    
Gross carrying amount 14,198 14,198
Accumulated amortization (14,198) (14,198)
Customer Relationships    
Summary of Identifiable Intangible Assets [Line Items]    
Gross carrying amount 23,000 23,000
Accumulated amortization $ (23,000) $ (23,000)