Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
	Mar. 31, 2021	Jun. 30, 2021	Sep. 30, 2021
Royalty Agreements
Significant Accounting Policies [Line Items]
Non Cash Interest Expense	$ 2.9	$ 9.1	$ 15.3