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v3.23.2

Share-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Bit Access Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Share-based payment arrangement, expense |  | $ 0.2 | $ 0.3 | $ 0.4 | $ 0.6
Share-based payment arrangement, nonvested award, cost not yet recognized, amount | $ 0.6 | $ 0.6 |  | $ 0.6 |
Phantom Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Share-based compensation arrangement by share-based payment award, shares issued in period | 1,200 |  |  |  |
Share-based compensation arrangement by share-based payment award, number of shares available for grant | 15,000 | 15,000 |  | 15,000 |
Deferred compensation share-based arrangements | $ 0.4 | $ 0.4 |  | $ 0.4 |
Percentage of share based compensation liability as part of share based compensation | 50.00% | 50.00% |  | 50.00% |
Employee Stock Option [Member] | Bit Access Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Share-based compensation arrangement by share-based payment award, award vesting period |  |  |  | 2 years |
Share-based compensation arrangement by share-based payment award, expiration period |  |  |  | 10 years |
Restricted Stock Units (RSUs) [Member] | Bit Access Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Share-based compensation arrangement by share-based payment award, award vesting period |  |  |  | 2 years |
Share-based compensation arrangement by share-based payment award, expiration period |  |  |  | 10 years |
Common Class A [Member] | Incentive Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Share-based compensation arrangement by share-based payment award, number of shares authorized | 6,029,445 | 6,029,445 |  | 6,029,445 |
Share-based compensation arrangement by share-based payment award, shares issued in period | 500,000 |  |  |  |
Share price | $ 3.23 | $ 3.23 |  | $ 3.23 |
Selling, General and Administrative Expenses [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Share-based payment arrangement, expense |  | $ 1.6 |  | $ 1.6 |

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