Fair Value of Financial Instruments - Schedule of carrying values and estimated fair values of debt instruments (Details) - Convertible Debt - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
1.00% Senior unsecured convertible notes, net	$ 413,279	$ 411,863
Convertible senior notes, fair value	$ 381,625	$ 410,771

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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