Segment Information (Revenues, Cost Of Products And Services, And Gross Margins For Operating Segments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Total revenues	$ 97,431	$ 83,229
Total cost of products and preservation services	34,485	29,502
Gross margin	62,946	53,727
Operating Segments | Medical devices
Segment Reporting Information [Line Items]
Total revenues	71,114	62,291
Total cost of products and preservation services	23,750	19,533
Gross margin	47,364	42,758
Operating Segments | Preservation services
Segment Reporting Information [Line Items]
Total revenues	26,317	20,938
Total cost of products and preservation services	10,735	9,969
Gross margin	$ 15,582	$ 10,969