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Contingent Payments - Additional Information (Detail) - WisdomTree Asset Management Canada, Inc [Member] $ in Thousands, $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Feb. 19, 2020 CAD ($) | Feb. 19, 2020 USD ($) | Mar. 31, 2023 USD ($) | Feb. 19, 2020 USD ($)
Proceeds from divestiture of businesses | $ 3,720 | $ 2,774 |  |
Recognized gain loss on sale of business |  |  | $ 1,477 |
Maximum [Member] |  |  |  |
Additional consideration payable | 3,000 |  |  | $ 2,360
Minimum [Member] |  |  |  |
Additional consideration payable | $ 2,000 |  |  | $ 1,477

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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + 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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