Long-term Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
2019 Convertible Senior Notes due 2026
Debt Instrument [Line Items]
Amortization of debt issuance costs		$ 95	$ 19	$ 282
Cash interest expense		431	87	1,294
Total interest expense		526	106	1,576
2021 Convertible Senior Notes due 2027
Debt Instrument [Line Items]
Amortization of debt issuance costs	$ 396		1,184
Cash interest expense	809		2,426
Total interest expense	1,205		3,610
Convertible Senior Notes
Debt Instrument [Line Items]
Amortization of debt issuance costs	396	95	1,203	282
Cash interest expense	809	431	2,513	1,294
Total interest expense	$ 1,205	$ 526	$ 3,716	$ 1,576