Sale of Future Revenue - Royalty Obligation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Sale of Future Revenue [Roll Forward]
Liability related to the sale of future revenue, net at December 31, 2022			$ 65,259
Revenues	$ 13,241	$ 13,265	24,375	$ 25,535
Amortization of issuance costs			107
Interest expense related to the sale of future revenue			0	$ 3,722
Liability related to the sale of future revenue, net (includes current portion of $1,000)	64,455		64,455
Current portion	$ 1,000		1,000
Royalty
Sale of Future Revenue [Roll Forward]
Revenues			$ (911)