Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net income (loss)		$ 73,691	$ (23,414)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		13,279	11,986
Non-cash lease expense		8,002	8,068
Equity in loss of unconsolidated affiliates, net of distributions	[1]	17,002	0
Distributions received from unconsolidated affiliates	[2]	138	0
Loss on disposal of property, plant and equipment		115	102
Revaluation of derivative contracts		(754)	103
Stock-based compensation expense		48,215	30,054
Amortization of debt issuance costs		3,426	1,859
Net gain on failed sale-and-leaseback transactions		(9,405)	(767)
Share-based consideration payable to customer’s customer (Note 3)	[3]	(3,090)	0
Unrealized foreign currency exchange loss (gain)		2,827	(2,208)
Other		(281)	(26)
Changes in operating assets and liabilities:
Accounts receivable	[4]	11,782	2,257
Contract assets	[5]	(64,690)	1,543
Inventories		(88,584)	(65,575)
Deferred cost of revenue		7,122	(4,501)
Prepaid expenses and other current assets	[6]	(54,155)	(5,102)
Other long-term assets	[7]	(25,993)	2,256
Operating lease right-of-use assets and operating lease liabilities		(8,526)	(8,335)
Financing lease liabilities		89	451
Accounts payable		36,962	52,564
Accrued warranty	[8]	18,352	(6,276)
Accrued expenses and other current liabilities	[9]	(1,367)	(34,881)
Deferred revenue and customer deposits	[10]	89,539	(70,802)
Deferred profit with equity method investees and other long-term liabilities		(86)	(38)
Net cash provided by (used in) operating activities		73,610	(110,682)
Cash flows from investing activities:
Purchase of property, plant and equipment		(26,182)	(14,259)
Proceeds from sale of property, plant and equipment		91	43
Investments in unconsolidated affiliates	[11]	(19,848)	0
Net cash used in investing activities		(45,939)	(14,216)
Cash flows from financing activities:
Payment of debt issuance costs		(806)	0
Repayment of financing obligations		(7,972)	(2,671)
Proceeds from issuance of common stock		15,835	7,651
Other		0	150
Net cash provided by financing activities		7,057	5,130
Effect of exchange rate changes on cash, cash equivalent, and restricted cash		1,976	155
Net increase (decrease) in cash, cash equivalents, and restricted cash		36,704	(119,613)
Beginning of period		2,481,580	950,971
End of period		2,518,284	831,358
Supplemental disclosure of cash flow information:
Cash paid during the period for interest		4,145	5,460
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		8,526	8,254
Operating cash flows from finance leases		116	81
Cash paid during the period for income taxes		618	384
Non-cash investing and financing activities:
Liabilities recorded for property, plant and equipment, net		4,384	1,923
Derecognition of financing obligations		20,183	0
Recognition of operating lease right-of-use asset during the year-to-date period		5,800	142
Recognition of finance lease right-of-use asset during the year-to-date period		201	451
Unfunded investment commitment (Note 11)	[12]	1,438	0
Accrual for dividend		994	1,024
3.0% Green Convertible Senior Notes due June 2028 | Senior Secured Notes
Non-cash investing and financing activities:
Conversion of the the 3.0% Green Notes due June 2028 to common stock (Note 8)		$ 18,163	$ 0

[1] Represent related party equity in loss of the Fund JVs (see Note 7—Investments in Unconsolidated Affiliates in this Quarterly Report on Form 10-Q).

[2] Represent related party distributions received from unconsolidated affiliates (see Note 7—Investments in Unconsolidated Affiliates in this Quarterly Report on Form 10-Q).

[3] Represent related party adjustment to non-cash consideration payable to customer’s customer (see Note 3—Revenue Recognition in this Quarterly Report on Form 10-Q).

[4] Including changes in related party balances of $151.3 million and $6.8 million for the three months ended March 31, 2026 and 2025, respectively.

[5] Including changes in related party balances of $70.4 million and $0.1 million for the three months ended March 31, 2026 and 2025, respectively.

[6] Including changes in related party balances of $0.3 million and $0.3 million for the three months ended March 31, 2026 and 2025, respectively.

[7] Including changes in related party balances of $0.7 million and $0.4 million for the three months ended March 31, 2026 and 2025, respectively.

[8] Including changes in related party balances of $3.3 million for the three months ended March 31, 2026. There were no changes in related party balances for the three months ended March 31, 2025.

[9] Including changes in related party balances of $1.7 million and $1.7 million for the three months ended March 31, 2026 and 2025, respectively.

[10] Including changes in related party balances of $1.2 million and $3.6 million for the three months ended March 31, 2026 and 2025, respectively.

[11] Represent related party investments in unconsolidated affiliates (see Note 7—Investments in Unconsolidated Affiliates in this Quarterly Report on Form 10-Q).

[12] Represents related party unfunded investment commitment pertaining to unconsolidated affiliates (see Note 7—Investments in Unconsolidated Affiliates in this Quarterly Report on Form 10-Q).