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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Cash flows from operating activities:    
Net (loss) income $ (275,053) $ 225,251
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:    
Depreciation and amortization 43,995 39,508
Stock-based compensation 116,418 107,899
Deferred income taxes (51,733) (61,864)
Other, net 2,588 (3,670)
Realized and unrealized gain on equity investments (139,188) (36,493)
Loss on change in fair value of acquisition-related contingent consideration 437 14,570
Changes in operating assets and liabilities:    
Accounts receivable 4,507 6,885
Prepaid expenses and other assets (39,748) (8,219)
Inventory (84,976) (53,436)
Accounts payable 38,573 (122,008)
Accrued and other liabilities 27,428 92,500
Net cash (used in) provided by operating activities (356,752) 200,923
Cash flows from investing activities:    
Sale of equity investments 227,257 45
Capital expenditures (63,692) (19,243)
Payments for intangible assets (1,400) (15,000)
Purchases of marketable securities (204,091) (152,277)
Sale and maturities of marketable securities 182,634 150,487
Net cash provided by (used in) investing activities 140,708 (35,988)
Cash flows from financing activities:    
Repurchases of common stock (2,004,687) 0
Proceeds from issuance of common stock under stock plans 14,960 28,367
Tax withholdings related to restricted and performance share vesting (6,865) (3,428)
Payment of finance lease liabilities (1,782) (1,638)
Payment of contingent consideration (11,216) (6,424)
Net cash (used in) provided by financing activities (2,009,590) 16,877
Effect of exchange rates on cash, cash equivalents, and restricted cash (663) (2,090)
Net (decrease) increase in cash, cash equivalents, and restricted cash (2,226,297) 179,722
Cash, cash equivalents, and restricted cash at beginning of period 3,215,221 2,953,120
Cash, cash equivalents, and restricted cash at end of period 988,924 3,132,842
Supplemental Schedule of Cash Flow Information    
Income taxes paid 229,674 137,313
Unpaid purchases of property and equipment 800 4,420
Unpaid excise tax on repurchase of common stock 19,185 0
Leased assets obtained in exchange for new operating lease liabilities 2,188 5,275
Leased assets obtained in exchange for new finance lease liabilities $ 1,468 $ 1,024