Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Accumulated goodwill impairment losses	$ 8,300		$ 8,300		$ 8,300
Goodwill impairment loss			0	$ 0
Aggregate amortization expense	14,800	$ 14,900	$ 29,800	$ 29,700
Impairment of intangible assets	2,400	548
ITL Healthcare Pty Ltd
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 2,400
Lazarus Medical Technologies, LLC
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets		$ 548