Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net loss	$ (209,294)	$ (295,033)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	59,240	47,384
Provision for severance benefits	44,482	32,272
Equity-based compensation	55,593	86,966
Paid-in-kind interest and accretion of discount on convertible notes	0	20,148
Non-cash operating lease expense	77,223	57,318
Non-cash others	16,514	15,153
Change in operating assets and liabilities:
Accounts receivable, net	266	(14,076)
Inventories	6,863	(209,443)
Other assets	(66,512)	(72,439)
Accounts payable	28,044	166,536
Accrued expenses	(49,981)	22,737
Deferred revenue	8,472	1,603
Other liabilities	(25,849)	(42,475)
Net cash used in operating activities	(54,939)	(183,349)
Investing activities:
Purchases of property and equipment	(238,906)	(146,831)
Proceeds from sale of property and equipment	4,245	30
Other investing activities	(14,367)	(3,681)
Net cash used in investing activities	(249,028)	(150,482)
Financing activities:
Proceeds from issuance of Class A common stock upon initial public offering, net of underwriting discounts	0	3,431,277
Deferred offering costs paid	0	(11,618)
Proceeds from issuance of common stock/units, equity-based compensation plan	8,183	43,735
Proceeds from short-term borrowings and long-term debt	343,975	56,464
Repayment of short-term borrowings and long-term debt	(152,029)	(13,687)
Other financing activities	(1,547)	(487)
Net cash provided by financing activities	198,582	3,505,684
Effect of exchange rate changes on cash and cash equivalents, and restricted cash	(27,404)	(39,457)
Net (decrease) increase in cash and cash equivalents, and restricted cash	(132,789)	3,132,396
Cash and cash equivalents, and restricted cash, as of beginning of period	3,810,347	1,401,302
Cash and cash equivalents, and restricted cash, as of end of period	3,677,558	4,533,698
Supplemental disclosure of cash-flow information:
Cash paid for income taxes	2,232	401
Cash paid for interest	6,249	6,973
Non-cash investing and financing activities:
(Decrease) increase in property and equipment-related accounts payable	(74,563)	1,230
Conversion of common units into Class A and Class B common stock	0	87,064
Conversion of redeemable convertible preferred units into Class A and Class B common stock	0	3,465,611
Conversion of convertible notes into Class A common stock	$ 0	$ 609,999