Goodwill and Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 30, 2015
Business Acquisition [Line Items]
Goodwill	$ 501,000	$ 491,000	$ 470,000
Impairment losses	0
Amortization of intangibles	2,709,000	3,008,000
Impairment of long-lived assets	101,533,000	$ 0
Impairment loss on IPR&D	101,500,000
Product Acquisition Costs
Business Acquisition [Line Items]
Impairment loss on IPR&D	13,500,000
Trademarks and Technology
Business Acquisition [Line Items]
Amortization of intangibles	2,351,000
Impairment of long-lived assets	8,090,000
In-process research and development (IPR&D)
Business Acquisition [Line Items]
Impairment of long-lived assets	$ 74,000
Alveda Acquisition
Business Acquisition [Line Items]
Goodwill				$ 400,000