Share Capital - Equity-Based Compensation Expenses Related to Company's Equity-Based Awards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 52,416	$ 39,846	$ 27,116
Cost of Revenues
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	2,231	1,261	467
Research, Development and Clinical Trials
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	7,570	4,709	3,587
Sales and Marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	11,897	7,393	3,784
General and Administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 30,718	$ 26,483	$ 19,278