Intangible Assets, Goodwill and Other (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Identifiable Intangible Assets [Table Text Block]

	December 31,
(in thousands)	2023		2022
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	(22,313)		(20,663)
Accumulated amortization	(36,511)		(34,861)
Net carrying amount	687		2,337
Intangible assets with indefinite lives	79,221		79,221
Intangible assets, net	$	79,908	$	81,558

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table presents the remaining estimated annual amortization expense of intangible assets with definite lives:

(in thousands)
2024	$	687
2025 and thereafter	$	—