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Intangible Digital Assets - Bitcoin investment (Details) $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) item | Jun. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
Intangible Digital Assets |  |  |
Crypto asset, number of units, unrestricted | item | 4,733 |  |
Crypto asset, cost, unrestricted | $ | $ 448,989 |  |
Crypto asset, fair value, unrestricted | $ | $ 539,844 | $ 496,865 | $ 214,633
Bitcoins pledged | item | 315 |  |
Crypto Asset, Name [Extensible Enumeration] | smlr:BitcoinMember |  |

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