Commitments, Contingencies and Related Party Transactions - Summary of Future Minimum Product Royalties (Detail) $ in Thousands	Dec. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2020	$ 35,525
2021	10,393
2022	5,820
Thereafter	0
Total Future Minimum Royalty Payments	$ 51,738