Revenue Recognition - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Revenue Recognition Milestone Method [Line Items]
Revenue recognition cash discount percentage	2.30%
Provision for chargebacks and other deductions included as reduction of accounts receivable total	$ 20,546,000		$ 22,868,000
Upfront fees	2,000,000.0
Commercial Platform
Revenue Recognition Milestone Method [Line Items]
Provision for chargebacks and other deductions included as reduction of accounts receivable total	20,546,000	$ 22,900,000	$ 22,868,000
Chargebacks and other revenue deductions expense	37,700,000	25,600,000
Licensed IP
Revenue Recognition Milestone Method [Line Items]
Revenue recognized	0	0
Royalty revenue
Revenue Recognition Milestone Method [Line Items]
Royalty revenue related to sales	600,000	100,000
Transferred at a Point in Time | Licensed IP
Revenue Recognition Milestone Method [Line Items]
Revenue recognized	$ 0	20,500,000
Revenue recognized upon achievement of first commercial milestone		500,000
Transferred at a Point in Time | Licensed IP | 2017 Almirall Out-License Arrangement in U.S.
Revenue Recognition Milestone Method [Line Items]
Revenue recognized upon achievement of first commercial milestone		$ 20,000,000.0