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Goodwill and Intangible Assets - Narrative (Details) (Imported) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Accumulated impairment loss	$ 8,300		$ 8,300		$ 8,300
Aggregate amortization expense	15,500	$ 10,500	45,200	$ 29,400
Intangible asset impairment charge	$ 2,702	657	3,250	$ 657
Distal Access [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset impairment charge			869
Lazarus Medical Technologies, LLC
Finite-Lived Intangible Assets [Line Items]
Intangible asset impairment charge			548
Pleuratech [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset impairment charge			$ 1,800
Quellent LLC
Finite-Lived Intangible Assets [Line Items]
Intangible asset impairment charge		$ 657