CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net loss	$ (81,286,000)	$ (747,952,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	38,242,000	4,919,000
Amortization of insurance premium	7,499,000	0
Non-cash operating lease cost	4,104,000	6,296,000
Stock-based compensation	174,551,000	104,795,000
Loss on disposal of property and equipment	0	56,000
Amortization of debt discounts and issuance costs	1,255,000	0
Write-down of inventory	96,366,000	0
Change in fair value of contingent forward contract liability	0	442,164,000
Changes in operating assets and liabilities:
Accounts receivable	2,281,000	(378,000)
Inventory	(303,022,000)	(5,267,000)
Prepaid expenses	20,523,000	(3,782,000)
Other current assets	(49,625,000)	(544,000)
Other noncurrent assets and security deposit	(11,175,000)	(2,899,000)
Accounts payable	5,713,000	(14,544,000)
Accrued compensation	(3,607,000)	3,646,000
Operating lease liability	(3,099,000)	(4,099,000)
Other liabilities and accrued liabilities	128,060,000	(11,124,000)
Other long-term liabilities	1,901,000	3,011,000
Net cash used in operating activities	(494,649,000)	(218,726,000)
Cash flows from investing activities:
Purchases of property, equipment, and software	(185,082,000)	(94,779,000)
Net cash used in investing activities	(185,082,000)	(94,779,000)
Cash flows from financing activities:
Payment for short-term insurance financing note	(12,949,000)	0
Payment for capital lease liabilities		(298,000)
Payment for finance lease liabilities	(1,201,000)
Proceeds from exercise of stock options	9,114,000	4,316,000
Stock repurchases from employees for tax withholdings	(182,265,000)	0
Net cash (used in) provided by financing activities	(187,301,000)	511,098,000
Net (decrease) increase in cash, cash equivalents, and restricted cash	(867,032,000)	197,593,000
Beginning cash, cash equivalents, and restricted cash	6,298,020,000	640,418,000
Ending cash, cash equivalents, and restricted cash	5,430,988,000	838,011,000
Supplemental disclosure of cash flow information:
Cash paid for interest	312,000	57,000
Supplemental disclosure of non-cash investing and financing activity:
Property and equipment included in accounts payable and accrued expense	(2,753,000)	(16,357,000)
Property and equipment and right-of-use assets obtained through leases	10,008,000	4,073,000
Issuance of Series D convertible preferred stock upon exercise of preferred stock warrants	0	9,936,000
Issuance of Series E convertible preferred stock contingent forward contracts	0	2,167,332,000
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	6,976,000
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	(523,330,000)	0
Series B
Cash flows from financing activities:
Repurchase of Series B convertible preferred stock	0	(3,000,000)
Series D
Cash flows from financing activities:
Proceeds from issuance of convertible preferred stock	0	3,000,000
Series E
Cash flows from financing activities:
Proceeds from issuance of convertible preferred stock	0	507,080,000
Supplemental disclosure of non-cash investing and financing activity:
Issuance of Series E convertible preferred stock upon settlement of contingent forward contracts	$ 0	$ 1,444,886,000