Share-Based Payments - Schedule of Stock-Based Compensation Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	$ 4,600	$ 5,423	$ 13,869	$ 14,538
Cost of products
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	1	4	7	16
Cost of services
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	35	52	99	169
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	407	1,382	1,360	4,083
Selling, general and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	4,157	3,367	13,749	8,301
Discontinued operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	$ 0	$ 618	$ (1,346)	$ 1,969