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Cryptocurrencies - Summary of Carrying Values of Cryptocurrencies (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Indefinite-Lived Intangible Assets [Line Items]
Cryptocurrency	$ 811	$ 540
Cryptocurrencies [Member] | Bitcoin [Member]
Indefinite-Lived Intangible Assets [Line Items]
Cryptocurrency	810	523
Cryptocurrencies [Member] | Ethereum [Member]
Indefinite-Lived Intangible Assets [Line Items]
Cryptocurrency	$ 1	9
Cryptocurrencies [Member] | Litecoin [Member]
Indefinite-Lived Intangible Assets [Line Items]
Cryptocurrency		$ 8

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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-Paragraph 2
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-Publisher FASB
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