Annual report pursuant to Section 13 and 15(d)

Intangible Assets, Goodwill and Other (Tables)

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Intangible Assets, Goodwill and Other (Tables)
12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Identifiable Intangible Assets [Table Text Block]
December 31,
(in thousands)
2021 2020
Intangible assets with definite lives:
Patents and purchased technology $ 14,198  $ 14,198 
Customer relationships 23,000  23,000 
Gross carrying amount 37,198  37,198 
Accumulated amortization:
Patents and purchased technology (14,198) (14,198)
Customer relationships (19,013) (17,363)
Accumulated amortization (33,211) (31,561)
Net carrying amount 3,987  5,637 
Intangible assets with indefinite lives 97,921  97,921 
Intangible assets, net $ 101,908  $ 103,558 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
The following table presents the estimated annual amortization expense for the years 2022 through 2026:

(in thousands)
2022 $ 1,650 
2023 1,650 
2024 688 
2025 — 
2026 —