Segment and Geographic Information (Schedule of Net Revenues By Product And Service) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Product Information [Line Items]
Total revenues	$ 388,537	$ 354,004	$ 313,789
Products
Product Information [Line Items]
Total revenues	290,230	261,185	230,353
Aortic stent grafts
Product Information [Line Items]
Total revenues	123,081	107,469	92,752
On-X
Product Information [Line Items]
Total revenues	83,982	74,528	63,904
Surgical sealants
Product Information [Line Items]
Total revenues	73,898	68,016	65,379
Other
Product Information [Line Items]
Total revenues	9,269	11,172	8,318
Preservation services
Product Information [Line Items]
Total revenues	$ 98,307	$ 92,819	$ 83,436