Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforward	$ 74,576	$ 77,510
Capital loss carryforward	11,100	116,717
Tax credits	34,301	34,332
Stock based compensation	8,896	12,257
Contingent consideration	10,807	12,730
Employee compensation	1,438	1,513
Rebate and returns reserve	2,003	2,290
Capitalized R&D	1,191	10,696
Derivative liability		9
Other	5,421	7,656
Total deferred tax assets	149,733	275,710
Valuation allowance	(106,702)	(193,253)	$ (186,491)
Total deferred tax assets net of valuation allowance	43,031	82,457
Deferred tax liabilities:
Intangible assets	(77,876)	(83,930)
Convertible debt	(9,190)	(12,842)
Depreciation	(167)	400
Other		(15)
Total deferred tax liabilities	(87,233)	(96,387)
Net deferred tax liability	$ (44,202)	$ (13,930)