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Contingent Payments (Details) - Wisdomtree Asset Management Canada Inc [Member] $ in Thousands, $ in Thousands |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Feb. 19, 2020 USD ($) | Feb. 19, 2020 CAD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) | Feb. 19, 2020 CAD ($)
Contingent Payments [Line Items] |  |  |  |  |
Cash received at closing | $ 2,774 | $ 3,720 |  |  |
Gain on contingent payment |  |  | $ 0 | $ 1,477 |
Maximum [Member] |  |  |  |  |
Contingent Payments [Line Items] |  |  |  |  |
Additional cash consideration | 2,360 |  |  |  | $ 3,000
Minimum [Member] |  |  |  |  |
Contingent Payments [Line Items] |  |  |  |  |
Additional cash consideration | $ 1,477 |  |  |  | $ 2,000

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