CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Activities:
Net loss	$ (235,897)	$ (307,077)
Reconciliation of net loss to net cash used in operating activities:
Depreciation and amortization	19,110	13,485
Non-cash stock-based compensation	48,939	70,981
Provision for excess and obsolete inventory	31,546	155,662
Impairment of long-lived assets	10,081	0
Right-of-use assets expensed, net of credits received	0	(3,291)
Other items, net	(89)	(642)
Changes in operating assets and liabilities:
Inventory	(19,361)	(403,725)
Accounts receivable, prepaid expenses, and other assets	(266,482)	112,845
Accounts payable, accrued expenses, and other liabilities	(443,238)	179,158
Deferred revenue	357,860	(76,809)
Net cash used in operating activities	(497,531)	(259,413)
Investing Activities:
Capital expenditures	(26,774)	(41,402)
Internal-use software	(4,563)	0
Net cash used in investing activities	(31,337)	(41,402)
Financing Activities:
Net proceeds from sales of common stock	61,986	179,385
Net proceeds from the exercise of stock-based awards	345	1,050
Finance lease payments	(26,784)	(15,911)
Repayment of 2023 Convertible notes	(325,000)	0
Payments of costs related to issuance of 2027 Convertible notes	(3,591)	0
Net cash provided by (used in) financing activities	(293,044)	164,524
Effect of exchange rate on cash, cash equivalents, and restricted cash	(8,992)	(4,453)
Net decrease in cash, cash equivalents, and restricted cash	(830,904)	(140,744)
Cash, cash equivalents, and restricted cash at beginning of period	1,348,845	1,528,259
Cash, cash equivalents, and restricted cash at end of period	517,941	1,387,515
Supplemental disclosure of non-cash activities:
Sales of common stock not settled at end of period	5,986	0
Right-of-use assets from new lease agreements	0	69,366
Capital expenditures included in accounts payable and accrued expenses	6,591	17,890
Supplemental disclosure of cash flow information:
Cash interest payments, net of amounts capitalized	11,294	8,604
Cash paid for income taxes	$ 128	$ 17,778