Segment Information (Schedule of Net Revenues by Product and Service) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Product Information [Line Items]
Total revenues	$ 98,978	$ 97,431
Products
Product Information [Line Items]
Total revenues	78,798	71,114
Aortic stent grafts
Product Information [Line Items]
Total revenues	36,602	32,103
On-X
Product Information [Line Items]
Total revenues	21,574	19,681
Surgical sealants
Product Information [Line Items]
Total revenues	18,106	16,981
Other
Product Information [Line Items]
Total revenues	2,516	2,349
Preservation services
Product Information [Line Items]
Total revenues	$ 20,180	$ 26,317