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Cost of Revenue - Summary of Components of Cryptocurrency Expenses (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024
Components of Cryptocurrency Expenses [Line Items] |  |
Other Cryptocurrency Expenses | $ 304 | $ 1,262
Total cryptocurrency expenses | 440,205 | 424,135
BTM Kiosk [Member] |  |
Components of Cryptocurrency Expenses [Line Items] |  |
Cost of cryptocurrency | $ 439,901 | $ 422,873

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- Definition Components of cryptocurrency expenses [Line Items]. + References No definition available. + Details
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Namespace Prefix: | btm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Cost of cryptocurrency. + References No definition available. + Details
Name: | btm_CostOfCryptocurrency
Namespace Prefix: | btm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Cryptocurrency expenses. + References No definition available. + Details
Name: | btm_CryptocurrencyExpenses
Namespace Prefix: | btm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Other cryptocurrency expenses. + References No definition available. + Details
Name: | btm_OtherCryptocurrencyExpenses
Namespace Prefix: | btm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |