Net Loss Per Share - Narrative (Details) - Convertible Debt - $ / shares	1 Months Ended
	Dec. 31, 2020	Mar. 31, 2019
2024 Notes
Debt Instrument [Line Items]
Threshold percentage of stock price if converted		130.00%
Convertible debt conversion price (in dollars per share)		$ 38.58
2026 Notes
Debt Instrument [Line Items]
Threshold percentage of stock price if converted	130.00%
Convertible debt conversion price (in dollars per share)	$ 75.23