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Contingent Payments - Additional Information (Detail) $ in Thousands, $ in Thousands |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 19, 2020 USD ($) | Feb. 19, 2020 CAD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | May 04, 2020 USD ($) | Feb. 19, 2020 CAD ($)
WisdomTree Asset Management Canada, Inc [Member] |  |  |  |  |  |  |  |  |
Contingent payments |  |  | $ 0 |  | $ 0 |  | $ 0 |  |
Contingent payments received |  |  | 0 | $ 0 | 0 | $ 0 |  |  |
Proceeds from divestiture of businesses | $ 2,774 | $ 3,720 |  |  |  |  |  |  |
Additional consideration payable | $ 2,360 |  |  |  |  |  |  |  | $ 3,000
WisdomTree Asset Management Canada, Inc [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Additional consideration payable |  |  |  |  |  |  |  |  | 4,000
WisdomTree Asset Management Canada, Inc [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Additional consideration payable |  |  |  |  |  |  |  |  | $ 0
Advisor Engine [Member] |  |  |  |  |  |  |  |  |
Maximum amount of contingent payments that may be received |  |  |  |  |  |  |  | $ 10,408 |
Contingent payments |  |  | 0 |  | 0 |  | $ 0 |  |
Contingent payments received |  |  | $ 0 | $ 0 | $ 0 | $ 0 |  |  |
Advisor Engine [Member] | Fair Value Of Upfront Consideration Received [Member] |  |  |  |  |  |  |  |  |
Fair value of upfront consideration received |  |  |  |  |  |  |  | $ 9,592 |

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- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + Details
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- Definition Contingent payments received. + References No definition available. + Details
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