v3.25.4

Nature of Business, Liquidity and Basis of Presentation (Details) $ in Thousands |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 04, 2025 USD ($) shares | Oct. 30, 2025 USD ($) | May 07, 2025 USD ($) | May 29, 2024 USD ($) | Jun. 01, 2023 USD ($) | May 16, 2023 USD ($) | May 15, 2023 USD ($) | Dec. 31, 2024 USD ($) | Aug. 31, 2020 USD ($) | Dec. 31, 2025 USD ($) site country | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) t | Dec. 19, 2025 USD ($) | Aug. 27, 2025 USD ($) | Aug. 15, 2025 USD ($) | Jun. 30, 2024 | Mar. 29, 2024 USD ($)
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of hydrogen produced per day | t |  |  |  |  |  |  |  |  |  |  |  | 2.4 |  |  |  |  |
Number of sites served | site |  |  |  |  |  |  |  |  |  | 1,100 |  |  |  |  |  |  |
Number of countries in which company has global sites | country |  |  |  |  |  |  |  |  |  | 9 |  |  |  |  |  |  |
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  |  | $ 113,949 | $ 91,998 | $ (372,531) |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  | $ 1,128,792 |  | 2,617,879 | 1,128,792 |  |  |  |  |  |
Short-term debt |  |  |  |  |  |  |  | 114,400 |  | 4,200 | 114,400 |  |  |  |  |  |
Long-term portion of debt |  |  |  |  |  |  |  | 1,014,407 |  | 2,613,726 | 1,014,407 |  |  |  |  |  |
Interest payable |  |  |  |  |  |  |  | 3,927 |  | 913 | 3,927 |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 32,340 | 27,182 | $ 4,288 |  |  |  |  |
Unpaid principal balance |  |  |  |  |  |  |  | 1,154,057 |  | $ 2,678,933 | $ 1,154,057 |  |  |  |  |  |
Government assistance, award amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,300
Sales Revenue, Net | Customer Concentration Risk | Customer One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  |  |  |  |  |  | 43.00% | 23.00% | 37.00% |  |  |  |  |
Sales Revenue, Net | Customer Concentration Risk | Customer Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  |  |  |  |  |  | 13.00% | 16.00% | 26.00% |  |  |  |  |
Sales Revenue, Net | Customer Concentration Risk | Customer Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  |  |  |  |  |  | 12.00% | 14.00% |  |  |  |  |  |
Accounts Receivable | Customer Concentration Risk | Customer One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  |  |  |  |  |  | 41.00% | 28.00% |  |  |  |  |  |
Accounts Receivable | Customer Concentration Risk | Customer Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  |  |  |  |  |  | 17.00% | 28.00% |  |  |  |  |  |
Accounts Receivable | Customer Concentration Risk | Customer Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  |  |  |  |  |  | 15.00% | 20.00% |  |  |  |  |  |
3.0% Green Convertible Senior Notes due June 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price, percentage |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |  |  |  |
Capped Calls |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds received |  |  |  |  |  |  | $ 54,500 |  |  |  |  |  |  |  |  |  |
Total recourse debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  | 1,124,735 |  | $ 2,613,726 | $ 1,124,735 |  |  |  |  |  |
Long-term portion of debt |  |  |  |  |  |  |  | 1,010,350 |  | 2,613,726 | 1,010,350 |  |  |  |  |  |
Unpaid principal balance |  |  |  |  |  |  |  | 1,150,000 |  | 2,674,780 | 1,150,000 |  |  |  |  |  |
Total non-recourse debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  | 4,057 |  | 4,153 | 4,057 |  |  |  |  |  |
Long-term portion of debt |  |  |  |  |  |  |  | 4,057 |  | 0 | 4,057 |  |  |  |  |  |
Unpaid principal balance |  |  |  |  |  |  |  | 4,057 |  | 4,153 | 4,057 |  |  |  |  |  |
Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt conversion, original debt, amount |  | $ 975,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest payable |  | 12,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt conversion, converted instrument, amount |  | $ 988,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 32,300 |  |  |  |  |  |  |
Senior Secured Notes | 3.0% Green Convertible Senior Notes due June 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term portion of debt |  |  |  |  |  |  |  | $ 619,111 |  | $ 98,162 | $ 619,111 |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 3.00% |  | 3.00% | 3.00% |  |  |  |  |  |
Aggregate principal amount issued |  |  |  |  |  | $ 632,500 |  |  |  |  |  |  |  |  |  |  |
Net proceeds received |  |  |  |  |  | $ 612,800 |  |  |  |  |  |  |  |  |  |  |
Debt conversion, original debt, amount | $ 532,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest payable | 6,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt conversion, converted instrument, amount | $ 539,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid principal balance |  |  |  |  |  |  |  | $ 632,500 |  | $ 99,655 | $ 632,500 |  |  |  |  |  |
Conversion of securities (in shares) | shares | 24,302,183 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Secured Notes | 10.25% Senior Secured Notes due March 2027 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 10.25% |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds received |  |  |  |  | $ 60,900 |  |  |  |  |  |  |  |  |  |  |  |
Redemption price, percentage |  |  |  |  | 104.00% |  |  |  |  |  |  |  |  |  |  |  |
Senior Secured Notes | 3.0% Green Convertible Senior Notes due June 2029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term portion of debt |  |  |  |  |  |  |  | 391,239 |  | $ 73,473 | 391,239 |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |  |  |  |
Aggregate principal amount issued |  |  |  | $ 402,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds received |  |  |  | 389,700 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, covenant, event of default, special interest received by noteholders, not to exceed |  |  |  |  |  |  |  |  |  | 0.50% |  |  |  |  |  |  |
Debt conversion, original debt, amount | $ 443,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest payable | 5,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt conversion, converted instrument, amount | $ 448,800 |  | $ 115,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid principal balance |  |  |  |  |  |  |  | 402,500 |  | $ 75,125 | 402,500 |  |  |  |  |  |
Conversion of securities (in shares) | shares | 18,105,762 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Secured Notes | 2.5% Green Convertible Senior Notes due August 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term portion of debt |  |  |  |  |  |  |  | $ 0 |  |  | $ 0 |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 2.50% |  | 2.50% | 2.50% |  |  |  |  |  |
Aggregate principal amount issued |  |  |  | $ 141,800 |  |  |  |  | $ 230,000 |  |  |  |  |  |  |  |
Net proceeds received |  |  |  |  |  |  |  |  | $ 220,100 |  |  |  |  |  |  |  |
Redemption price, percentage |  |  |  |  |  |  |  | 130.00% |  |  |  |  |  |  |  |  |
Debt instrument, covenant, event of default, special interest received by noteholders, not to exceed |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, repurchased notes percentage |  |  |  | 1.226 |  |  |  |  |  |  |  |  |  |  |  | 1.226 |
Debt conversion, original debt, amount |  |  | 112,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest payable |  |  | $ 700 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | $ 27,200 |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid principal balance |  |  |  |  |  |  |  | $ 115,000 |  |  | $ 115,000 |  |  |  | $ 2,200 |  |
Senior Secured Notes | 0% Convertible Senior Notes due November 2030 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term portion of debt |  |  |  |  |  |  |  |  |  | $ 2,442,091 |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |
Aggregate principal amount issued | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds received | $ 2,440,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid principal balance |  |  |  |  |  |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  |
Notes | 2.5% Green Convertible Senior Notes due August 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured long-term debt, noncurrent |  |  |  | $ 115,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  | $ 600,000 |  |  |  |
Line of Credit | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  | $ 100,000 |  |  | $ 100,000 |  | $ 90,000 |  |  |  |
Asia Pacific | Sales Revenue, Net | Geographic Concentration Risk |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  |  |  |  |  |  | 81.00% | 74.00% | 70.00% |  |  |  |  |
Financing Structure |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, maximum amount of investment |  |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  | $ 5,000,000 |  |  |

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