Convertible Senior Notes and Capped Call Transactions - Narrative (Details) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2020 USD ($) Day $ / shares shares	Mar. 31, 2019 USD ($) Day $ / shares shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) $ / shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares
Debt Instrument [Line Items]
Common stock, par value (in dollars per share) | $ / shares				$ 0.001	$ 0.001
Adjustments to additional paid in capital related to issuance costs attributable to equity component			$ 3,700			$ (3,797)
Number of shares of common stock covered by called caps (shares) | shares	6,880	5,960
Reduction to additional paid-in-capital related to called caps	$ 46,100					(46,058)
Total interest expense				$ 5,503	$ 37,533	$ 14,629
Convertible senior notes, net (Note 8)				737,423	574,238
2024 Notes
Debt Instrument [Line Items]
Carry amount of equity component of convertible notes		$ 52,900
Total deferred issuance costs		8,600
Debt issuance costs attributable to liability		6,600
Adjustments to additional paid in capital related to issuance costs attributable to equity component		2,000
Reduction to additional paid-in-capital related to called caps		$ 23,200
Convertible senior notes, net (Note 8)				227,900
Debt Issuance Costs, Net				2,100
2026 Notes
Debt Instrument [Line Items]
Carry amount of equity component of convertible notes					162,500
Total deferred issuance costs					12,200
Debt issuance costs attributable to liability					$ 8,500
Convertible senior notes, net (Note 8)				509,500
Debt Issuance Costs, Net				$ 8,000
Capped calls
Debt Instrument [Line Items]
Capped caps initial strike price (in dollars per share) | $ / shares	$ 75.23	$ 38.58				$ 75.23
Capped caps initial cap price (in dollars per share) | $ / shares	$ 105.58	$ 57.16				$ 105.58
Convertible Debt | 2024 Notes
Debt Instrument [Line Items]
Aggregate principal		$ 230,000
Debt instrument stated rate (percent)		0.75%
Aggregate principal from exercise in full of over-allotment options		$ 30,000
Proceeds from debt offering, net of debt issuance costs		$ 221,400
Conversion ratio		0.0259182
Common stock, par value (in dollars per share) | $ / shares		$ 0.001
Convertible debt conversion price (in dollars per share) | $ / shares		$ 38.58
Percentage of principal amount paid if repurchase due to fundamental change (percent)		100.00%
Threshold trading days in consideration of note conversion | Day		20
Threshold consecutive trading days in analysis of conversion price | Day		30
Threshold percentage of stock price if converted		130.00%
Threshold for five day period, product of sale price of common stock and conversion rate of notes		98.00%
Remaining amortization period for debt discount and debt issuance costs		1 year 2 months 12 days
Effective interest rate (percent)		0.0153%
Convertible Debt | 2026 Notes
Debt Instrument [Line Items]
Aggregate principal	$ 517,500					$ 517,500
Debt instrument stated rate (percent)	0.00%					0.00%
Aggregate principal from exercise in full of over-allotment options	$ 67,500					$ 67,500
Proceeds from debt offering, net of debt issuance costs	$ 505,300
Conversion ratio	0.0132933
Common stock, par value (in dollars per share) | $ / shares	$ 0.001					$ 0.001
Convertible debt conversion price (in dollars per share) | $ / shares	$ 75.23					$ 75.23
Percentage of principal amount paid if repurchase due to fundamental change (percent)	100.00%
Threshold trading days in consideration of note conversion | Day	20
Threshold consecutive trading days in analysis of conversion price | Day	30
Threshold percentage of stock price if converted	130.00%
Threshold for five day period, product of sale price of common stock and conversion rate of notes	98.00%
Remaining amortization period for debt discount and debt issuance costs				3 years 10 months 24 days
Effective interest rate (percent)				0.004%