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Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Nov. 30, 2025 $ / shares | Oct. 31, 2025 $ / shares | Oct. 30, 2025 USD ($) Bitcoin $ / shares | Sep. 30, 2025 USD ($) Bitcoin | Sep. 30, 2024 USD ($) Bitcoin | Sep. 30, 2025 USD ($) Bitcoin | Sep. 30, 2024 USD ($) Bitcoin
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Number of Bitcoins Purchased | Bitcoin |  |  |  |  | 42,706 | 25,889 | 192,561 | 63,070
Purchase of bitcoins, value | $ |  |  |  |  | $ 4,952,080 | $ 1,575,073 | $ 19,382,948 | $ 4,008,210
Subsequent Event |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Number of Bitcoins Purchased | Bitcoin |  |  |  | 1,137 |  |  |  |
Purchase of bitcoins, value | $ |  |  |  | $ 130,700 |  |  |  |
Purchase price per bitcoin |  |  |  | $ 114,995 |  |  |  |
STRC Stock |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Dividend rate per annum | [1] |  |  |  |  |  | 10.00% |
STRC Stock | M10 Dividend |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Dividend rate per annum |  |  | 10.25% |  |  |  |  |
STRC Stock | Subsequent Event | M10 Dividend |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Dividend rate per annum |  |  | 10.25% | 10.25% |  |  |  |
Cash dividend per share |  |  | $ 0.854166667 |  |  |  |  |
Dividend payment date |  |  | Oct. 31, 2025 |  |  |  |  |
STRC Stock | Subsequent Event | M11 Dividend |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Dividend rate per annum |  | 10.50% |  |  |  |  |  |
Cash dividend per share |  | $ 0.875 |  |  |  |  |  |
Dividend payment date |  | Nov. 30, 2025 |  |  |  |  |  |
Record date |  | Nov. 15, 2025 |  |  |  |  |  |
[1] | Shares of STRC Stock accumulate cumulative dividends at a variable rate per annum on the stated amount thereof. The monthly regular dividend rate per annum on STRC Stock for the month ended September 30, 2025 was 10.00%. On September 30, 2025, the Company increased the monthly regular dividend rate per annum on STRC Stock from 10.00% to 10.25% effective for monthly periods commencing on or after October 1, 2025. See Note 14, Subsequent Events, for additional information.

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