Debt - Outstanding Debt and Carrying Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Jun. 01, 2022
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (10,996)	$ (12,666)
Convertible notes
Debt Instrument [Line Items]
Carrying Value	418,129	416,459
Convertible Senior Notes Due 2026 | Convertible notes
Debt Instrument [Line Items]
Outstanding principal amount	69,125	69,125
Unamortized debt issuance costs	(1,203)	(1,553)
Carrying Value	67,922	67,572	$ 69,100
Convertible Senior Notes Due 2028 | Convertible notes
Debt Instrument [Line Items]
Outstanding principal amount	240,000	240,000
Unamortized debt issuance costs	(6,016)	(6,908)
Carrying Value	233,984	233,092
Convertible Senior Notes Due 2029 | Convertible notes
Debt Instrument [Line Items]
Outstanding principal amount	120,000	120,000
Unamortized debt issuance costs	(3,777)	(4,205)
Carrying Value	$ 116,223	$ 115,795