Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Accounts payable	$ 175,325	$ 143,572
Accrued returns allowance	137,108	136,486
Accrued compensation	44,806	71,122
Accrued Medicaid and commercial rebates	96,711	90,690
Accrued royalties	19,779	23,342
Commercial chargebacks and rebates	10,226	10,226
Accrued professional fees	14,598	11,005
Accrued other	59,965	48,219
Nonrelated Party
Related Party Transaction [Line Items]
Accounts payable and accrued expenses	$ 558,518	$ 534,662