CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Activities:
Net loss	$ (545,062)	$ (657,939)	$ (1,743,751)
Reconciliation of net loss to net cash used in operating activities:
Depreciation and amortization	41,225	29,054	12,661
Right-of-use assets expensed, net of credits received	6,113	18,104	144,433
Non-cash stock-based compensation	85,357	130,300	183,626
Provision for excess and obsolete inventory	72,197	447,597	0
Impairment of long-lived assets	10,081	0	0
Other items, net	(7,042)	(21,903)	(7,641)
Changes in operating assets and liabilities:
Inventory	(74,457)	(477,801)	(8,872)
Accounts receivable, prepaid expenses, and other assets	(274,442)	249,166	(183,393)
Accounts payable, accrued expenses, and other liabilities	(378,805)	913,399	600,326
Deferred revenue	350,868	(1,045,914)	1,325,557
Net cash provided by (used in) operating activities	(713,967)	(415,937)	322,946
Investing Activities:
Capital expenditures	(53,771)	(89,056)	(54,501)
Internal-use software	(5,035)	(3,929)	(2,985)
Purchases of marketable securities	0	0	(2,167)
Proceeds from maturities of marketable securities	0	0	159,807
Net cash provided by (used in) investing activities	(58,806)	(92,985)	100,154
Financing Activities:
Net proceeds from sales of common stock	360,243	249,230	564,859
Proceeds from issuance of 2027 Convertible notes	0	175,250	0
Payments of costs related to issuance of 2027 Convertible notes	(3,591)	(5,258)	0
Net proceeds from the exercise of stock-based awards	159	(639)	24,761
Repayment of 2023 Convertible notes	(325,000)	0	0
Finance lease payments	(27,345)	(93,595)	(127,907)
Net cash provided by financing activities	4,466	324,988	461,713
Effect of exchange rate on cash, cash equivalents, and restricted cash	3,272	4,520	(5,292)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(765,035)	(179,414)	879,521
Cash, cash equivalents, and restricted cash at beginning of year	1,348,845	1,528,259	648,738
Cash, cash equivalents, and restricted cash at end of year	583,810	1,348,845	1,528,259
Supplemental disclosure of non-cash activities:
Sale of common stock under the Sales Agreement not settled at year-end	6,862	0	0
Capital expenditures included in accounts payable and accrued expenses	7,899	17,665	10,338
Right-of-use assets from new lease agreements	103,299	91,855	179,210
Supplemental disclosure of cash flow information:
Cash interest payments, net of amounts capitalized	17,349	18,035	19,428
Cash paid for income taxes	$ 190	$ 17,980	$ 12,606