Intangible Assets, Net and Goodwill (Schedule of Identifiable Intangible Assets) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
---|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
|
Summary of Identifiable Intangible Assets [Line Items] | |||||
Gross carrying amount | $ 37,198 | $ 37,198 | $ 37,198 | $ 37,198 | $ 37,198 |
Accumulated amortization | (34,447) | (32,798) | (34,447) | (32,798) | (33,211) |
Net carrying amount | 2,751 | 4,400 | 2,751 | 4,400 | 3,987 |
Intangible assets not subject to amortization | 97,921 | 97,921 | 97,921 | 97,921 | 97,921 |
Intangible Assets, Net (Excluding Goodwill), Total | 100,672 | 102,321 | 100,672 | 102,321 | 101,908 |
Amortization of Intangible Assets | 400 | 400 | 1,200 | 1,200 | |
Patents And Purchased Technology [Member] | |||||
Summary of Identifiable Intangible Assets [Line Items] | |||||
Gross carrying amount | 14,198 | 14,198 | 14,198 | 14,198 | 14,198 |
Accumulated amortization | (14,198) | (14,198) | (14,198) | (14,198) | (14,198) |
Customer Relationships [Member] | |||||
Summary of Identifiable Intangible Assets [Line Items] | |||||
Gross carrying amount | 23,000 | 23,000 | 23,000 | 23,000 | 23,000 |
Accumulated amortization | $ (20,249) | $ (18,600) | $ (20,249) | $ (18,600) | $ (19,013) |