Debt - Convertible Subordinated Notes (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Jan. 31, 2013
Debt
Payment for repurchase of debt instrument				$ 96,204	$ 165,131
Accrued interest payable	$ 833			833		$ 4,359
Loss on extinguishment of debt	0	$ 0		0	(20,662)
Principal	453,500			453,500		549,704
Debt discount and issuance costs, net	(7,782)			(7,782)		(9,331)
2023 Notes
Debt
Loan amount	96,200			96,200
2023 Notes | Convertible subordinated notes
Debt
Loan amount							$ 287,500
Portion of debt retired, face value			$ 144,800
Payment for repurchase of debt instrument			$ 165,600
Principal	0			0		$ 96,204
Interest expense
Contractual interest expense	0	511		85	2,106
Amortization of debt issuance costs	0	59		11	240
Total interest and amortization expense	$ 0	$ 570		$ 96	$ 2,346