Segment And Geographic Information (Revenues, Cost Of Products And Services, And Gross Margins For Operating Segments) (Details) $ in Thousands	3 Months Ended																12 Months Ended
	Dec. 31, 2016 USD ($)		Sep. 30, 2016 USD ($)	[1]	Jun. 30, 2016 USD ($)	[1]	Mar. 31, 2016 USD ($)	[1]	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment																	2
Total revenues	$ 45,029	[1]	$ 45,252		$ 47,083		$ 43,016		$ 39,838	$ 36,703	$ 35,526	$ 33,831	$ 37,151	$ 37,069	$ 34,690	$ 35,731	$ 180,380	$ 145,898	$ 144,641
Total cost of products and preservation services																	61,481	55,179	53,350
Total gross margin	31,195	[1]	$ 29,782		$ 30,301		$ 27,621		26,516	$ 22,982	$ 21,554	$ 19,667	22,635	$ 23,799	$ 22,384	$ 22,473	118,899	90,719	91,291
Goodwill	78,294								11,365				$ 11,365				78,294	11,365	11,365
Medical Devices [Member]
Segment Reporting Information [Line Items]
Goodwill	$ 78,300								$ 11,400								78,300	11,400
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenues																	0
Operating Segments [Member] | Medical Devices [Member]
Segment Reporting Information [Line Items]
Total revenues																	113,992	83,081	81,883
Total cost of products and preservation services																	28,033	18,663	17,167
Total gross margin																	85,959	64,418	64,716
Operating Segments [Member] | Preservation Services [Member]
Segment Reporting Information [Line Items]
Total revenues																	66,388	62,817	62,758
Total cost of products and preservation services																	33,448	36,516	36,183
Total gross margin																	32,940	26,301	26,575
Domestic [Member]
Segment Reporting Information [Line Items]
Total revenues																	$ 131,727	$ 114,978	$ 110,533
Domestic [Member] | Long-Lived Assets [Member] | Geographic Concentration Risk [Member]
Segment Reporting Information [Line Items]
Concentration percentage																	99.00%	99.00%

[1] In January 2016 the Company completed its acquisition of On-X Life Technologies Holdings, Inc., which is being operated as a wholly owned subsidiary of CryoLife. In 2016 the Company also sold its HeRO Graft product line and its ProCol product line, and ceased sales of these products during 2016.