Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands		Dec. 31, 2025	Dec. 31, 2024
Payables and Accruals [Abstract]
Salary and related expenses		$ 27,645	$ 20,570
Discounts and allowances for commercial product sales		18,338	9,393
Accrued contract research organization		4,863	412
Accrued contract manufacturing organization		733	83
Accrued royalty		591	0
Accrued interest		2,152	303
Operating lease liability - current		2,110	2,423
Current portion of milestone rights liability	[1]	520	639
Professional fees		1,852	1,311
Returns reserve for acquired product	[2]	291	804
Other		5,533	4,355
Accrued expenses and other current liabilities		$ 64,628	$ 40,293

[1] See Note 16 – Commitments and Contingencies under Contingencies – Milestone Rights.

[2] See Note 16 – Commitments and Contingencies under Loss Contingencies – Returns Reserve for Acquired Product.