Sale of Future Royalties - Schedule of Activity of Royalty Obligation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Deferred Revenue Arrangement [Line Items]
Related party liability related to sale of future royalties, net of current portion	$ 15,824	$ 15,654
Royalty Purchase Agreement [Member]
Deferred Revenue Arrangement [Line Items]
Proceeds from sale of future royalties	12,601
Non cash royalty revenue	(71)
Non-cash interest expense recognized	3,727
Related party liability related to sale of future royalties, net of current portion	16,257
Less current portion	(433)
Related party liability related to sale of future royalties, net of current portion	$ 15,824