Convertible Senior Notes and Capped Call Transactions - Narrative (Details)			12 Months Ended
	Sep. 10, 2024 USD ($) trading_day $ / shares	May 11, 2020 USD ($) $ / shares	Dec. 31, 2024 USD ($) $ / shares	Dec. 31, 2023 USD ($) $ / shares	Dec. 31, 2022 USD ($)	Sep. 30, 2024 $ / shares	Jan. 01, 2022 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of convertible senior notes, net of issuance costs			$ 449,635,000	$ 0	$ 0
Payments for capped calls			55,522,000	0	$ 0
Accumulated deficit			(740,155,000)	(644,390,000)
Additional paid-in capital			(1,193,022,000)	$ (1,142,578,000)
Principal amount including additional purchases from exercised options			$ 711,494,000
Common stock, par value (in usd per share) | $ / shares	$ 0.001		$ 0.001	$ 0.001
Cumulative Effect, Period of Adoption, Adjustment
Debt Instrument [Line Items]
Accumulated deficit							$ 8,647,000
Additional paid-in capital							30,794,000
Liabilities							$ 22,147,000
Convertible Debt
Debt Instrument [Line Items]
Payments for capped calls		$ 29,348,000
2025 Notes
Debt Instrument [Line Items]
Payments for capped calls		$ 29,348,000
Principal amount including additional purchases from exercised options			$ 251,494,000
Fair value of the notes			374,412,000	$ 386,201,000
Cap price (in usd per share) | $ / shares		$ 47.24
2025 Notes | Convertible Debt
Debt Instrument [Line Items]
Principal		$ 253,000,000
Proceeds from issuance of convertible senior notes, net of issuance costs		$ 245,158,000	$ 1,501,000
Interest rate, stated percentage		1.25%
Debt instrument, convertible, conversion ratio			0.0325668
Initial conversion price (in dollars per share) | $ / shares			$ 30.71
Principal amount including additional purchases from exercised options		$ 253,000,000
Debt instrument, interest rate, effective percentage			1.87%
2029 Notes
Debt Instrument [Line Items]
Payments for capped calls	$ 55,522,000
Principal amount including additional purchases from exercised options			$ 460,000,000
Fair value of the notes			$ 431,851,000
Cap price (in usd per share) | $ / shares	$ 104.36
2029 Notes | Convertible Debt
Debt Instrument [Line Items]
Principal	$ 400,000
Proceeds from issuance of convertible senior notes, net of issuance costs	449,635,000
Payments for capped calls	$ 55,522,000
Interest rate, stated percentage	1.00%
Debt instrument, convertible, conversion ratio			0.0147419
Initial conversion price (in dollars per share) | $ / shares						$ 67.83
Principal amount including additional purchases from exercised options	$ 460,000
Additional to aggregate principal amount	$ 60,000
Repurchase of notes percentage	100.00%
Transaction costs	$ 10,365,000
Debt instrument, interest rate, effective percentage			1.46%
2029 Notes | Convertible Debt | Debt Conversion, Option One
Debt Instrument [Line Items]
Threshold trading days | trading_day	20
Threshold consecutive trading days | trading_day	30
Threshold percentage of conversion price	130.00%
2029 Notes | Convertible Debt | Debt Conversion, Option Two
Debt Instrument [Line Items]
Threshold consecutive trading days | trading_day	5
Threshold percentage of conversion price	98.00%
Threshold consecutive business days | trading_day	5