Share Capital - Equity-Based Compensation Expenses Related to Company's Equity-Based Awards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 75,721	$ 52,416	$ 39,846
Cost of revenues
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	2,221	2,231	1,261
Research, development and clinical trials
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	18,125	7,570	4,709
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	17,672	11,897	7,393
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 37,703	$ 30,718	$ 26,483