CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net loss	$ (2,828,420)	$ (1,304,460)	$ (2,579,761)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	233,531	186,583	62,907
Amortization of insurance premium	39,507	35,620	18,474
Non-cash operating lease cost	26,201	19,711	12,563
Stock-based compensation	257,283	423,500	516,757
Inventory and firm purchase commitments write-downs	906,069	569,479	48,884
Change in fair value of contingent forward contract liability	0	0	454,546
Net accretion of investment discounts/premiums	(105,432)	(20,695)	0
Change in fair value of equity securities	(5,999)	0	0
Other non-cash items	34,205	10,353	289
Changes in operating assets and liabilities:
Accounts receivable	(32,509)	(16,498)	(2,888)
Inventory	(658,010)	(1,256,349)	(175,091)
Prepaid expenses	(45,641)	(28,822)	(66,980)
Other current assets	4,758	(43,591)	(14,704)
Other noncurrent assets	(121,790)	(43,230)	5,889
Accounts payable	(139,519)	180,469	4,354
Accrued compensation	29,172	30,958	16,167
Other current liabilities	(71,680)	253,904	55,437
Other long-term liabilities	75,447	31,028	(4,712)
Net cash used in operating activities	(2,489,753)	(2,226,258)	(1,058,133)
Cash flows from investing activities:
Purchases of property, plant and equipment	(910,644)	(1,074,852)	(421,220)
Proceeds from government grant	97,500	97,267	0
Purchases of investments	(3,998,282)	(3,854,129)	0
Proceeds from maturities of investments	3,720,890	1,149,714	0
Proceeds from sale of investments	148,388	0	505
Other investing activities	(4,827)	323	22
Net cash used in investing activities	(946,975)	(3,681,677)	(420,693)
Cash flows from financing activities:
Proceed from issuance of convertible notes, net of issuance costs	0	0	2,002,437
Proceeds from short-term insurance financing note	0	0	41,935
Payment for short-term insurance financing note	0	(15,330)	(27,887)
Payment for finance lease liabilities	(5,425)	(4,977)	(3,088)
Proceeds from borrowings	62,911	29,818	0
Repayments for borrowings	0	(20,223)	0
Proceeds from failed sale-leaseback transaction	0	31,700	0
Proceeds from exercise of stock options	10,343	17,788	8,132
Proceeds from the exercise of public warrants	0	0	173,273
Proceeds from the reverse capitalization	0	0	4,439,153
Payment of transaction costs related to the reverse recapitalization	0	0	(38,865)
Proceeds from employee stock purchase plan	23,836	24,562	0
Treasury stock repurchase	0	0	(20,716)
Tax withholding payments for net settlement of employee awards	(17,615)	(218,789)	(22,063)
Net cash provided by financing activities	3,070,915	1,347,235	7,136,428
Net decrease in cash, cash equivalents, and restricted cash	(365,813)	(4,560,700)	5,657,602
Beginning cash, cash equivalents, and restricted cash	1,737,320	6,298,020	640,418
Ending cash, cash equivalents, and restricted cash	1,371,507	1,737,320	6,298,020
Supplemental disclosure of cash flow information:
Cash paid for interest, net of amounts capitalized	18,182	23,199	627
Cash paid for taxes	37	480	0
Supplemental disclosure of non-cash investing and financing activity:
Purchases of property, plant and equipment included in accounts payable and other current liabilities	35,849	42,728	101,057
Property, plant and equipment and right-of-use assets obtained through leases	32,477	157,894	93,771
Equity securities obtained through Strategic Technology Arrangement	73,193	0	0
Issuance of Series D convertible preferred stock upon exercise of preferred stock warrants	0	0	9,936
Issuance of Series E convertible preferred stock contingent forward contracts	0	0	2,167,332
Capital contribution upon forfeit of Series E awards	0	0	15,719
Issuance of Series E convertible preferred stock upon settlement of contingent forward contracts	0	0	2,621,877
Issuance of common stock upon conversion of preferred stock in connection with the reverse recapitalization	0	0	5,836,785
Convertible Debt
Cash flows from financing activities:
Payment for issuance costs	0	0	(15,883)
Line of Credit
Cash flows from financing activities:
Payment for issuance costs	0	(6,631)	0
Underwriting Agreement
Cash flows from financing activities:
Proceeds from issuance of common stock	1,184,224	0	0
2023 Subscription Agreement
Cash flows from financing activities:
Proceeds from issuance of common stock	1,812,641	0	0
At-the-Market Offering
Cash flows from financing activities:
Proceeds from issuance of common stock	0	594,317	0
2022 Subscription Agreement
Cash flows from financing activities:
Proceeds from issuance of common stock	0	915,000	0
Change in fair value of preferred stock warrant liability
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of stock warrants liability	0	0	6,976
Change in fair value of common stock warrant liability
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of stock warrants liability	(86,926)	(1,254,218)	582,760
Series B
Cash flows from financing activities:
Repurchase of Series B convertible preferred stock	0	0	(3,000)
Series D
Cash flows from financing activities:
Proceeds from issuance of convertible preferred stock	0	0	3,000
Series E
Cash flows from financing activities:
Proceeds from issuance of convertible preferred stock	$ 0	$ 0	$ 600,000