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Related Party Loans and Convertible Notes - Crypto Asset Loans (Details) $ in Thousands |  | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 03, 2023 USD ($) crypto_unit | Sep. 30, 2025 USD ($) crypto_unit | Sep. 30, 2024 USD ($) | Dec. 31, 2024 crypto_unit | Dec. 31, 2023 crypto_unit | Oct. 31, 2023 crypto_unit | May 11, 2023 crypto_unit | Dec. 29, 2022 crypto_unit
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Proceeds from disposal of crypto assets | $ |  | $ 93,809 | $ 131,662 |  |  |  |  |
Crypto Asset Loans | Bitcoin |  |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Amount of crypto loaned (in units) |  | 5,824 |  | 5,054 |  |  |  |
Crypto Asset Loans | Ether |  |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Amount of crypto loaned (in units) |  | 26,629 |  | 26,629 |  |  |  |
Crypto Asset Loans | 5,000 BTC December 29, 2022 | Bitcoin |  |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Amount of crypto loaned (in units) |  | 5,000 |  | 5,000 |  |  |  | 5,000
Amount of crypto assets loaned, that were repaid during the period (in units) |  | 305 |  | 1,884 |  |  |  |
Crypto Asset Loans | 30,000 ETH, December 29, 2022 |  |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Proceeds from disposal of crypto assets | $ | $ 16,500 |  |  |  |  |  |  |
Crypto Asset Loans | 30,000 ETH, December 29, 2022 | Ether |  |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Amount of crypto loaned (in units) |  |  |  | 30,000 |  |  |  | 30,000
Amount of crypto assets loaned, that were repaid during the period (in units) |  |  |  |  | 21,000 |  |  |
Amount of crypto loan assets that were modified during the period (in units) | 9,000 |  |  |  |  |  |  |
Crypto Asset Loans | 500 BTC May 11, 2023 | Bitcoin |  |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Amount of crypto loaned (in units) |  | 500 |  | 500 |  |  | 500 |
Crypto assets loans, used to satisfy collateral requirements (in units) |  |  |  |  |  |  | 320 |
Crypto Asset Loans | 340 BTC October 31, 2023 | Bitcoin |  |  |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |  |  |
Amount of crypto loaned (in units) |  | 340 |  | 340 |  | 340 |  |

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- Definition Debt Instrument, Amount Of Crypto Currency Units Loaned, Units Modified During The Period + References No definition available. + Details
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