Summary of Significant Accounting Policies - Co-Payment Assistance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 5,326	$ 1,040
Allowances for current period sales	29,541	10,325
Payments and credits	(23,661)	(6,039)
Ending balance	11,206	5,326
Customer credits, discounts And allowances
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,994	371
Allowances for current period sales	18,385	5,891
Payments and credits	(16,665)	(3,268)
Ending balance	4,714	2,994
Rebates and co-pay assistance
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,989	528
Allowances for current period sales	8,192	4,035
Payments and credits	(5,564)	(2,574)
Ending balance	4,617	1,989
Product returns
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	343	141
Allowances for current period sales	2,964	399
Payments and credits	(1,432)	(197)
Ending balance	$ 1,875	$ 343