Basic and Diluted Net Loss per Share - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended				3 Months Ended	9 Months Ended
	Nov. 30, 2022	Mar. 31, 2021	Dec. 31, 2019	Nov. 30, 2017	Mar. 31, 2021	Sep. 30, 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Amount of common stock reserved						6,300,000
Subsequent Event
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Final settlement received in cash	$ 1.3
Final settlement of the capped call options received in shares	22,914
0% Convertible Senior Notes Due 2026
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Payments to enter capped call options		$ 35.1				$ 35.1
Convertible debt Instrument, Issuance date, month and year		2021-03
0.125% Convertible Senior Notes Due 2024
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Payments to enter capped call options			$ 44.9			$ 44.9
Convertible debt Instrument, Issuance date, month and year			2019-12
1.50% Convertible Senior Notes Due 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Payments to enter capped call options				$ 12.9
Convertible debt Instrument, Issuance date, month and year				2017-11
Proceeds from capped call options		$ 10.6	$ 5.8
Modification expense recognized		$ 0.2			$ 0.2