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Investments - Summary of Inputs Used in PWERM Approach of Investment (Detail) - Fair Value, Inputs, Level 3 [Member] - yr | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2022 | Jun. 09, 2021 | Mar. 08, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Time to potential outcome (in years) |  | 4.75 | 5
Securrency Convertible Note [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Conversion of note upon a future equity financing | 85.00% |  |
Redemption of note upon a corporate transaction | 10.00% |  |
Default | 5.00% |  |
Time to potential outcome (in years) | 0.25 |  |
Fnality Convertible Note [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Conversion of note upon a future financing round | 85.00% |  |
Redemption of note upon a change of control | 10.00% |  |
Default | 5.00% |  |
Time to potential outcome (in years) | 0.25 |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value assumption conversion of note upon a corporate transaction. + References No definition available. + Details
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- Details
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- Details
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- Details
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