Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities:
Net loss	$ (1,137,611)	$ (380,402)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	145,866	85,551
Provision for severance benefits	100,649	48,856
Equity-based compensation	193,450	24,017
Paid-in-kind interest and accretion of discount on convertible notes	20,148	66,569
Revaluation of derivative instrument	0	(70,032)
Inventory and fixed asset losses due to fulfillment center fire	284,825	0
Non-cash operating lease expense	187,926	105,512
Non-cash others	32,786	40,352
Change in operating assets and liabilities:
Accounts receivable, net	(75,958)	(41,234)
Inventories	(308,559)	(413,619)
Other assets	(182,375)	(153,416)
Accounts payable	561,528	948,051
Accrued expenses	50,604	41,145
Deferred revenue	13,015	8,037
Other liabilities	(94,126)	(24,299)
Net cash (used in) provided by operating activities	(207,832)	285,088
Investing activities:
Purchases of property and equipment	(505,554)	(314,941)
Proceeds from sale of property and equipment	960	222
Other investing activities	(2,218)	(35,629)
Net cash used in investing activities	(506,812)	(350,348)
Financing activities:
Repurchase of common units and preferred units	0	(97,043)
Proceeds from issuance of Class A common stock upon initial public offering, net of underwriting discounts	3,431,277	0
Deferred offering costs paid	(11,618)	0
Proceeds from issuance of common stock/units, equity-based compensation plan	57,521	11,223
Proceeds from short-term borrowings and long-term debt	308,772	220,649
Repayment of short-term borrowings and long-term debt	(111,472)	(24,913)
Other financing activities	(2,289)	(1,379)
Net cash provided by financing activities	3,672,191	108,537
Effect of exchange rate changes on cash and cash equivalents, and restricted cash	(88,842)	(6,236)
Net increase in cash and cash equivalents, and restricted cash	2,868,705	37,041
Cash and cash equivalents, and restricted cash, as of beginning of period	1,401,302	1,371,535
Cash and cash equivalents, and restricted cash, as of end of period	4,270,007	1,408,576
Supplemental disclosure of cash-flow information:
Cash paid for income taxes	1,088	155
Cash paid for interest	14,175	16,744
Non-cash investing and financing activities:
(Decrease) increase in property and equipment-related accounts payable and accrued expenses	(5,516)	16,661
Conversion of common units into Class A and Class B common stock	87,064	0
Conversion of redeemable convertible preferred units into Class A and Class B common stock	3,465,611	0
Conversion of convertible notes into Class A common stock	$ 609,999	$ 0