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Long-term investments - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | May 27, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Fair value of support provided |  |  | $ 7,681 | $ 12,666 |  |
Unrealized loss on long-term investments | $ (172,904) | $ 311,410 | (14,572) | $ 132,026 |  |
Renewable Energy Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Noncontrolling interest in partnerships and joint ventures | 352,983 |  | 352,983 |  | $ 456,393 |
Letters of credit, Guarantee amount | 132,022 |  | 132,022 |  |  |
Renewable Energy Group | Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Net assets | 90,471 |  | 90,471 |  | 179,728 |
Atlantica |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity interest (percent) |  |  |  |  |  | 42.20%
Cash pursant per share (in dollars per share) |  |  |  |  |  | $ 22.00
Atlantica | Bidco |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership interest acquired (percent) |  |  |  |  |  | 100.00%
Texas Coastal Wind Facilities |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Capital account contributions |  |  | 9,074 |  |  |
Project construction |  |  | 2,216 |  |  |
Unrealized loss on long-term investments | 24,212 |  | 34,246 |  | $ 0 |
Recognized loss on investments | $ 0 |  | $ 8,481 |  |  |

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