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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:    
Net loss $ (88,119) $ (223,267)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 11,687 16,227
Impairment of asset held-for-sale 0 38,339
Stock-based compensation expenses 39,549 50,687
Loss from business disposition 7,699 17,875
Loss (gain) from exchange rate fluctuations (1,740) 1,516
Other items 7,984 (2,221)
Changes in assets and liabilities:    
Trade receivables, net 53,801 (54,686)
Inventories, net (35,223) 125,125
Prepaid expenses and other assets (125,103) 61,006
Operating lease right-of-use assets, net 6,600 5,153
Trade payables 188,259 71,217
Employees and payroll accruals (7,173) (2,038)
Warranty obligations (48,975) (34,609)
Deferred revenues and customers advances 13,362 (83,779)
Operating lease liabilities (7,796) (6,806)
Accrued expenses and other liabilities 21,032 46,285
Net cash provided by operating activities 35,844 26,024
Cash flows from investing activities:    
Investment in available-for-sale marketable securities 0 (172,773)
Proceeds from maturities of available-for-sale marketable securities 18,388 292,679
Purchase of property, plant and equipment (11,983) (11,365)
Business dispositions, net of cash sold (2,631) (7,322)
Proceeds from sale of property, plant and equipment 603 10,314
Repayment related to governmental grant 0 (6,643)
Proceeds from sale of investment in privately-held company 0 4,000
Withdrawal from (investment in) restricted bank deposits 2,700 (138)
Payments made before lease commencement (26,162) 0
Proceeds from loan receivables 56 27,475
Other investing activities 498 (40)
Net cash provided by (used in) investing activities (18,531) 136,187
Cash flows from financing activities:    
Repurchase of convertible debt 0 (5,093)
Issuance of common stock upon exercise of stock-based awards 3,850 10
Tax withholding in connection with stock-based awards, net 7,668 323
Other financing activities (737) (1,850)
Net cash provided by (used in) financing activities 10,781 (6,610)
Effect of exchange rate changes on cash, cash equivalents and restricted cash 5,287 6,966
Increase in cash, cash equivalents and restricted cash including cash classified within current held-for-sale assets 33,381 162,567
Change in cash classified within current held-for-sale assets 8,690 0
Increase in cash, cash equivalents and restricted cash 42,071 162,567
Cash, cash equivalents and restricted cash, beginning of period 539,846 409,939
Cash, cash equivalents and restricted cash, end of period 581,917 572,506
Supplemental disclosure of non-cash activities:    
Right-of-use asset recognized with a corresponding lease liability 8,373 11,360
Purchase of property, plant and equipment $ 4,934 $ 5,156