Intangible Assets, Goodwill and Other (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Identifiable Intangible Assets [Table Text Block]

(in thousands)	March 31, 2023		December 31, 2022		March 31, 2022
Intangible assets with definite lives:
Patents and purchased technology	$	14,198	$	14,198	$	14,198
Customer relationships	23,000		23,000		23,000
Gross carrying amount	37,198		37,198		37,198
Accumulated amortization:
Patents and purchased technology	(14,198)		(14,198)		(14,198)
Customer relationships	(21,075)		(20,663)		(19,425)
Accumulated amortization	(35,273)		(34,861)		(33,623)
Net carrying amount	1,925		2,337		3,575
Intangible assets with indefinite lives	79,221		79,221		97,921
Intangible assets, net	$	81,146	$	81,558	$	101,496

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 for the years 2023 through 2028:

(in thousands)
2023	$	1,238
2024	687
2025	—
2026	—
2027	—
2028	—