Income Taxes - Components of the Company's Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Jun. 09, 2020	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Convertible bond hedge	$ 6,910	$ 12,420
Accrued product returns and rebates	19,506	17,529
Accrued compensation and stock based compensation	17,802	13,547
Research and development credit carryforwards	4,448	3,151
Net operating loss carryforwards	126,333	13,164
Operating lease liability	12,146	14,542
Interest limitation	7,860	1,055
Investment	7,819	2,501
Charitable contributions	7,730	1,613
Other	4,256	3,911
Total deferred tax assets	214,810	83,433
Less: valuation allowance	(70,529)	(582)	$ (70,500)	$ (11)	$ (9)
Total deferred tax asset, net of valuation allowance	144,281	82,851
Deferred tax liabilities:
Amortization of intangibles	199,240	79,545
Debt discount on 2023 Notes	(5,671)	(10,190)
Patent infringement legal costs	(10,689)	(10,897)
Operating lease assets	(9,099)	(10,674)
Other	(4,937)	(6,760)
Total deferred tax liabilities	(229,636)	(118,066)
Net deferred tax liabilities	$ (85,355)	$ (35,215)