CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (680,859)	$ (779,528)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	68,838	49,838
Amortization of insurance premium	8,589	10,263
Non-cash operating lease cost	7,469	5,830
Stock-based compensation	63,696	53,819
Inventory and firm purchase commitments write-downs	132,298	227,048
Change in fair value of common stock warrant liability	(27,054)	40,802
Net accretion of investment discounts/premiums	(21,304)	(21,395)
Change in fair value of equity securities of a related party	19,933	0
Other non-cash items	(1,255)	2,345
Changes in operating assets and liabilities:
Accounts receivable (including $(49,358) and $0 from a related party for the three months ended March 31, 2024 and 2023, respectively)	(75,196)	17,009
Inventory	(21,002)	(354,154)
Prepaid expenses	(11,042)	(9,082)
Other current assets	3,914	22,193
Other noncurrent assets	(4,369)	(27,337)
Accounts payable	(3,533)	(66,174)
Accrued compensation	8,147	21,545
Other current liabilities	(3,040)	1,374
Other long-term liabilities	19,025	4,340
Net cash used in operating activities	(516,745)	(801,264)
Cash flows from investing activities:
Purchases of property, plant and equipment (including $(6,026) and $(20,421) from a related party for the three months ended March 31, 2024 and 2023, respectively)	(198,197)	(241,770)
Purchases of investments	(514,548)	(842,538)
Proceeds from maturities of investments	1,030,291	1,041,151
Proceeds from sale of investments	0	13,244
Other investing activities	0	1,197
Net cash provided by (used in) investing activities	317,546	(28,716)
Cash flows from financing activities:
Payment for finance lease liabilities	(1,081)	(1,427)
Proceeds from exercise of stock options	1,525	2,181
Proceeds from issuance of redeemable convertible preferred stock to a related party	1,000,000	0
Tax withholding payments for net settlement of employee awards	(3,242)	(6,499)
Net cash provided by (used in) financing activities	997,202	(5,745)
Net increase (decrease) in cash, cash equivalents, and restricted cash	798,003	(835,725)
Beginning cash, cash equivalents, and restricted cash	1,371,507	1,737,320
Ending cash, cash equivalents, and restricted cash	2,169,510	901,595
Supplemental disclosure of cash flow information:
Cash paid for interest, net of amounts capitalized	1,031	857
Cash paid for taxes	9	0
Supplemental disclosure of non-cash investing and financing activity:
Increases (decreases) in purchases of property, plant and equipment included in accounts payable and other current liabilities	40,464	(19,812)
Property, plant and equipment and right-of-use assets obtained through leases	$ 4,327	$ 3,862