Debt - Convertible Subordinated Notes (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jan. 31, 2013
Debt
Payment for repurchase of debt instrument				$ 96,204	$ 165,131
Accrued interest payable	$ 3,422			3,422		$ 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	(8,299)			(8,299)		(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	1,595
Amortization of debt issuance costs	0	59		11	181
Total interest and amortization expense	$ 0	$ 570		$ 96	$ 1,776