CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (223,267)	$ (288,129)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	16,227	30,430
Impairment of asset held-for-sale	38,339	0
Stock-based compensation expenses	50,687	76,177
Loss from business disposition	17,875	0
Deferred income taxes, net	(780)	(50,843)
Gain from repurchasing of convertible notes	0	(15,455)
Loss from exchange rate fluctuations	1,516	10,499
Other items	(1,441)	3,340
Changes in assets and liabilities:
Trade receivables, net	(54,686)	317,574
Inventories, net	125,125	(58,764)
Prepaid expenses and other assets	61,006	78,541
Operating lease right-of-use assets, net	5,153	11,392
Trade payables	71,217	(310,819)
Warranty obligations	(34,609)	(27,178)
Deferred revenues and customers advances	(83,779)	(4,028)
Operating lease liabilities	(6,806)	(11,042)
Accrued expenses and other liabilities	44,247	(23,486)
Net cash provided by (used in) operating activities	26,024	(261,791)
Cash flows from investing activities:
Investment in available-for-sale marketable securities	(172,773)	(155,334)
Proceeds from maturities of available-for-sale marketable securities	292,679	480,727
Proceeds from sales of available-for-sale marketable securities	0	51,918
Purchase of property, plant and equipment	(11,365)	(48,535)
Business combinations, net of cash acquired	0	(11,662)
Proceeds from sale of investment in privately-held company	4,000	0
Business dispositions, net of cash sold	(7,322)	0
Proceeds from sale of property, plant and equipment	10,314	0
Repayment related to governmental grant	(6,643)	0
Purchase of intangible assets	0	(10,000)
Disbursements for loans receivables	0	(37,500)
Investment in privately-held companies	(150)	(25,650)
Proceeds from loan receivables	27,475	1,625
Other investing activities	(28)	(2,365)
Net cash provided by investing activities	136,187	243,224
Cash flows from financing activities:
Repurchase of common stock	0	(50,015)
Proceeds from issuance of Notes 2029, net of issuance costs	0	293,625
Capped call transactions related to Notes 2029	0	(25,230)
Repurchase of convertible debt	(5,093)	(267,900)
Other financing activities	(1,517)	(1,164)
Net cash used in financing activities	(6,610)	(50,684)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	6,966	(9,719)
Increase (decrease) in cash, cash equivalents and restricted cash	162,567	(78,970)
Cash, cash equivalents and restricted cash, beginning of period	409,939	338,468
Cash, cash equivalents and restricted cash, end of period	$ 572,506	$ 259,498