Income Taxes - Schedule of Differences in Statutory Rate and Effective Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
U.S. statutory rate	$ 90,506	$ 86,298	$ 5,611
Permanent items	(413)	1,042	2,309
Sale of RELISTOR licensed intangible asset associated with net sales royalties	0	(10,817)	0
Section 162(m)	407	307	247
Uncertain tax positions	2,466	(5,045)	(12,629)
Tax credits	(5,247)	(2,118)	(4,085)
State and local taxes	21,724	18,726	67
Impact on deferred taxes of change in tax rate	(970)	(330)	4,169
Changes in fair value of contingent assets and liabilities	(567)	(1,948)	5,422
Foreign tax rate differential	66	128	68
Valuation allowance	12,123	(4)	(30)
Stock compensation	(206)	(3,941)	(4,612)
Change in indemnification deferred tax asset	(28)	1,240	2,343
Other	(1,326)	744	(228)
Income tax expense (benefit)	$ 118,535	$ 84,282	$ (1,348)