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Contingent Payments - Additional Information (Detail) - WisdomTree Asset Management Canada, Inc [Member] $ in Thousands, $ in Thousands			3 Months Ended	6 Months Ended
	Feb. 19, 2020 CAD ($)	Feb. 19, 2020 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Feb. 19, 2020 USD ($)
Proceeds from divestiture of businesses	$ 3,720	$ 2,774
Recognized gain loss on sale of business			$ 0	$ 1,477
Maximum [Member]
Additional consideration payable	3,000				$ 2,360
Minimum [Member]
Additional consideration payable	$ 2,000				$ 1,477

X

- 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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X

- 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
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-3

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-5

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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
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
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-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

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