General and Summary of Significant Accounting Policies Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
GOODWILL	$ 31,245	$ 11,195	$ 12,357
Goodwill, Acquired During Period		20,026	1,300
Goodwill, Purchase Accounting Adjustments			(2,462)
Goodwill, Foreign Currency Translation Gain (Loss)	1,756	24
GOODWILL	33,001	31,245	$ 11,195
Medical Australia Limited [Member]
Goodwill [Roll Forward]
Goodwill, Purchase Accounting Adjustments		1,900
Pursuit Vascular, Inc. [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	19,100
Tru Process [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period		$ 1,300
Other Acquisition [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	900
Pursuit Vascular [Member]
Goodwill [Roll Forward]
Goodwill, Purchase Accounting Adjustments	$ 1,300