Acquisition Of Ascyrus (Purchase Price Allocation) (Details) - USD ($) $ in Thousands	Sep. 02, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Purchase Price Allocation
Goodwill		$ 250,000	$ 260,061	$ 186,697
Ascyrus Medical LLC [Member]
Consideration
Cash paid for acquisition	$ 62,359
Common stock issued	20,000
Contingent consideration	55,407
Fair value of total consideration	137,766
Purchase Price Allocation
Cash and cash equivalents	4,017
Intangible assets	72,600
Net other assets/liabilities acquired	(1,267)
Goodwill	62,416
Net assets acquired	$ 137,766