Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities
Net income	$ 45,653	$ 49,944
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock-based compensation	25,720	30,435
Amortization of premiums and accretion of discounts on investment securities	(3,652)	(3,740)
Amortization of intangible assets	5,444	7,631
Depreciation	442	468
Changes in operating assets and liabilities:
Accounts receivable, net	(8,766)	(5,431)
Interest and other receivables	(6,225)	(2,612)
Inventory	(14,553)	(43,795)
Prepaid expenses	2,934	(6,965)
Other assets	(1,306)	0
Operating lease right-of-use assets	4,259	3,649
Accounts payable	3,905	2,339
Accrued liabilities	21,350	27,043
Operating lease liabilities	(1,418)	(2,089)
Long-term liabilities	10,492	(2,785)
Net cash provided by operating activities	84,279	54,092
Cash flows from investing activities
Purchases of investment securities	(330,398)	(217,846)
Sale and maturity of investment securities	262,190	147,615
Intangible assets	(98,838)	0
Purchases of property and equipment	(297)	0
Net cash used in investing activities	(167,343)	(70,231)
Cash flows from financing activities
Proceeds from issuance of common stock, net of issuance costs	17,794	4,608
Net cash provided by financing activities	17,794	4,608
Effect of exchange rate changes on cash	19	8
Net (decrease) increase in cash, cash equivalents and restricted cash	(65,251)	(11,523)
Cash, cash equivalents and restricted cash
Beginning of period	328,359	194,427
End of period	263,108	182,904
Supplemental disclosure of noncash information:
Accrued inventory purchases	4,040	1,506
Accrued milestone and contingent payments in connection with asset acquisition	0	50,000
Stock based compensation capitalized	$ 308	$ 194