Segment and Geographic Information (Schedule of Net Revenues By Product And Service) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Product Information [Line Items]
Total revenues	$ 441,330	$ 388,537	$ 354,004
Products
Product Information [Line Items]
Total revenues	345,825	290,230	261,185
Aortic stent grafts
Product Information [Line Items]
Total revenues	159,371	123,081	107,469
On-X
Product Information [Line Items]
Total revenues	101,740	83,982	74,528
Surgical sealants
Product Information [Line Items]
Total revenues	76,602	73,898	68,016
Other
Product Information [Line Items]
Total revenues	8,112	9,269	11,172
Preservation services
Product Information [Line Items]
Total revenues	$ 95,505	$ 98,307	$ 92,819