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Cryptocurrencies - Summary of Additional Information about the Cost Basis and Fair Value of Cryptocurrencies (Detail) $ in Thousands	Sep. 30, 2025 USD ($) Unit	Dec. 31, 2024 USD ($)
Bitcoin [Member]
Indefinite-Lived Intangible Assets [Line Items]
Cryptocurrency, Fair Value	$ 11,400
Cryptocurrencies [Member] | Bitcoin [Member]
Indefinite-Lived Intangible Assets [Line Items]
Cryptocurrency, Units | Unit	100.35
Cryptocurrency, Cost Basis	$ 9,095
Cryptocurrency, Fair Value	$ 11,439
Cryptocurrency		$ 561
Cryptocurrencies [Member] | Ethereum [Member]
Indefinite-Lived Intangible Assets [Line Items]
Cryptocurrency, Units | Unit	19.23
Cryptocurrency, Cost Basis	$ 1,966
Cryptocurrency, Fair Value	$ 2,195
Cryptocurrency		$ 949

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