Balance Sheet Details - Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts payable and accrued liabilities
Accrued expenses	$ 69,054	$ 59,249
Accounts payable	16,192	17,386
Distributor commissions payable	12,546	9,891
Other taxes payable	6,764	6,425
Litigation liability	1,744	5,346
Debt interest payable	937	5,203
Royalties payable	5,297	4,495
Other	3,080	2,406
Accounts payable and accrued liabilities	$ 115,614	$ 110,401