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BITCOIN - Narrative (Details) $ in Millions | Sep. 30, 2025 USD ($) bitcoin | Jun. 30, 2025 bitcoin | Mar. 31, 2025 bitcoin | Dec. 31, 2024 USD ($) bitcoin | Sep. 30, 2024 bitcoin | Jun. 30, 2024 bitcoin | Mar. 31, 2024 bitcoin | Dec. 31, 2023 bitcoin
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Platform Operator, Crypto-Asset [Line Items] |  |  |  |  |  |  |  |
Number of bitcoins (in bitcoin) | 8,780 | 8,692 | 8,584 | 8,485 | 8,363 | 8,211 | 8,038 | 8,038
Crypto-Asset, Investing Purposes |  |  |  |  |  |  |  |
Platform Operator, Crypto-Asset [Line Items] |  |  |  |  |  |  |  |
Number of bitcoins (in bitcoin) | 8,780 |  |  | 8,485 |  |  |  |
Bitcoin, purchase value | $ | $ 282.2 |  |  | $ 251.5 |  |  |  |
Crypto-Asset, Operating Purposes |  |  |  |  |  |  |  |
Platform Operator, Crypto-Asset [Line Items] |  |  |  |  |  |  |  |
Number of bitcoins (in bitcoin) | 144 |  |  | 158 |  |  |  |
Bitcoin, purchase value | $ | $ 16.5 |  |  | $ 15.3 |  |  |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section FF -Paragraph Question 2 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 405 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.FF.Q2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476188/405-10-S99-1 + Details
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- Definition Number of restricted and unrestricted crypto asset units held. Excludes crypto asset units held for platform user. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476162/350-60-50-1 + Details
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