Royalty Purchase Liability - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Nov. 30, 2018	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Jul. 31, 2021	Jun. 30, 2021	May 31, 2020
Royalty Purchase Liability [Line Items]
Total agreed amount of royalty purchase price		$ 130,366		$ 128,063
Noncash interest expense		$ 2,303	$ 1,253
Warrant expiration term		6 years
Fair value of equity classified warrants		$ 4,700
Royalty Agreements
Royalty Purchase Liability [Line Items]
Total agreed amount of royalty purchase price	$ 80,000
Royalty purchase price		117,500
Outstanding amount of royalty agreement							$ 20,000
Noncash interest expense		$ 2,300	$ 1,300
Effective interest rate		7.20%
Royalty Agreements | First Tranche
Royalty Purchase Liability [Line Items]
Royalty purchase price	$ 20,000
Royalty Agreements | Fifth Tranche
Royalty Purchase Liability [Line Items]
Outstanding amount of royalty agreement						$ 20,000
Royalty Agreements | Fourth Tranche
Royalty Purchase Liability [Line Items]
Outstanding amount of royalty agreement					$ 37,500
Amended Royalty Agreements
Royalty Purchase Liability [Line Items]
Total agreed amount of royalty purchase price							117,500
Outstanding amount of royalty agreement							37,500
Amended Royalty Agreements | Fifth Tranche
Royalty Purchase Liability [Line Items]
Outstanding amount of royalty agreement							$ 20,000