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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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