Share-Based Compensation - Unrecognized Compensation Expense (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Unrecognized Share Based Compensation Expense [Line Items]
Unrecognized Expense	$ 108,108
Stock options
Unrecognized Share Based Compensation Expense [Line Items]
Unrecognized Expense	$ 12,668
Average Expected Recognition Period - in Years	2 years 4 months 6 days
Restricted stock units and awards
Unrecognized Share Based Compensation Expense [Line Items]
Unrecognized Expense	$ 95,440
Average Expected Recognition Period - in Years	2 years 7 months 28 days