Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Operating Activities
Net income	$ 74,067	$ 16,501
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	2,759	3,262
Amortization (accretion) on marketable securities	464	(1,104)
Amortization of operating lease right-of-use assets	418	368
Stock-based compensation expense, net	27,597	22,455
Realized gain on investments	(4,256)	(2,859)
Other, net	690	89
Changes in operating assets and liabilities
Accounts receivable, net	(6,693)	(61,196)
Inventory	(515)	(1,708)
Prepaid expenses and other current assets	(2,957)	(2,503)
Lease liability	(258)	(406)
Other long-term liabilities	1,368	588
Accounts payable	5,029	1,511
Accrued expenses and other current liabilities	2,401	(4,034)
Accrued rebates	14,834	15,756
Accrued litigation settlement	(31,250)	25,000
Net cash provided by operating activities	83,698	11,720
Investing Activities
Proceeds from disposal of assets	435	0
Purchases of property and equipment	(8,108)	(2,391)
Purchases of investments	(251,705)	(201,736)
Maturities of investments	194,084	158,794
Net cash (used in) investing activities	(65,294)	(45,333)
Financing Activities
Proceeds from exercise of stock options	3,258	26,607
Net cash (used in) provided by financing activities	(10,670)	21,221
Effect of exchange rate changes on cash and cash equivalents	1,230	(150)
Net increase (decrease) in cash and cash equivalents	8,964	(12,542)
Cash and cash equivalents at beginning of period	344,865	358,328
Cash and cash equivalents at end of period	353,829	345,786
Supplemental Disclosures of Non-Cash Activities
Unpaid purchases of property and equipment included in accounts payable and accrued expenses	1,329	8,568
Initial recognition of right-of-use assets	1,794	0
Supplemental Cash Flow Information
Income taxes paid	13,858	2,002
Restricted Stock Units (RSUs)
Financing Activities
Taxes paid related to settlement of restricted stock awards	(12,116)	(4,181)
Restricted Stock
Financing Activities
Taxes paid related to settlement of restricted stock awards	$ (1,812)	$ (1,205)